From b9339aa8fa3b263b6cd5a37d9ad6089d9c2b2cc7 Mon Sep 17 00:00:00 2001
From: RedBlackAka <140876408+RedBlackAka@users.noreply.github.com>
Date: Thu, 19 Dec 2024 03:04:38 +0100
Subject: [PATCH 1/4] Create a check for update on start toggle

---
 OpenUtau.Core/Util/Preferences.cs           |  771 ++++--
 OpenUtau/Strings/Strings.axaml              |    3 +-
 OpenUtau/ViewModels/PreferencesViewModel.cs |   10 +-
 OpenUtau/Views/MainWindow.axaml.cs          | 2708 ++++++++++---------
 OpenUtau/Views/PreferencesDialog.axaml      |    6 +-
 5 files changed, 1942 insertions(+), 1556 deletions(-)

diff --git a/OpenUtau.Core/Util/Preferences.cs b/OpenUtau.Core/Util/Preferences.cs
index 1c525fb54..e7f705ccc 100644
--- a/OpenUtau.Core/Util/Preferences.cs
+++ b/OpenUtau.Core/Util/Preferences.cs
@@ -1,200 +1,571 @@
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.IO;
-using System.Text;
-using Newtonsoft.Json;
-using OpenUtau.Core.Render;
-using Serilog;
-
-namespace OpenUtau.Core.Util {
-
-    public static class Preferences {
-        public static SerializablePreferences Default;
-
-        static Preferences() {
-            Load();
-        }
-
-        public static void Save() {
-            try {
-                File.WriteAllText(PathManager.Inst.PrefsFilePath,
-                    JsonConvert.SerializeObject(Default, Formatting.Indented),
-                    Encoding.UTF8);
-            } catch (Exception e) {
-                Log.Error(e, "Failed to save prefs.");
-            }
-        }
-
-        public static void Reset() {
-            Default = new SerializablePreferences();
-            Save();
-        }
-
-        public static List<string> GetSingerSearchPaths() {
-            return new List<string>(Default.SingerSearchPaths);
-        }
-
-        public static void SetSingerSearchPaths(List<string> paths) {
-            Default.SingerSearchPaths = new List<string>(paths);
-            Save();
-        }
-
-        public static void AddRecentFileIfEnabled(string filePath){
-            //Users can choose adding .ust, .vsqx and .mid files to recent files or not
-            string ext = Path.GetExtension(filePath);
-            switch(ext){
-                case ".ustx":
-                    AddRecentFile(filePath);
-                    break;
-                case ".mid":
-                case ".midi":
-                    if(Preferences.Default.RememberMid){
-                        AddRecentFile(filePath);
-                    }
-                    break;
-                case ".ust":
-                    if(Preferences.Default.RememberUst){
-                        AddRecentFile(filePath);
-                    }
-                    break;
-                case ".vsqx":
-                    if(Preferences.Default.RememberVsqx){
-                        AddRecentFile(filePath);
-                    }
-                    break;
-                default:
-                    break;
-            }
-        }
-
-        private static void AddRecentFile(string filePath) {
-            if (string.IsNullOrEmpty(filePath) || !File.Exists(filePath)) {
-                return;
-            }
-            var recent = Default.RecentFiles;
-            recent.RemoveAll(f => f == filePath);
-            recent.Insert(0, filePath);
-            recent.RemoveAll(f => string.IsNullOrEmpty(f)
-                || !File.Exists(f)
-                || f.Contains(PathManager.Inst.TemplatesPath));
-            if (recent.Count > 16) {
-                recent.RemoveRange(16, recent.Count - 16);
-            }
-            Save();
-        }
-
-        private static void Load() {
-            try {
-                if (File.Exists(PathManager.Inst.PrefsFilePath)) {
-                    Default = JsonConvert.DeserializeObject<SerializablePreferences>(
-                        File.ReadAllText(PathManager.Inst.PrefsFilePath, Encoding.UTF8));
-                    if(Default == null) {
-                        Reset();
-                        return;
-                    }
-
-                    if (!ValidString(new Action(() => CultureInfo.GetCultureInfo(Default.Language)))) Default.Language = string.Empty;
-                    if (!ValidString(new Action(() => CultureInfo.GetCultureInfo(Default.SortingOrder)))) Default.SortingOrder = string.Empty;
-                    if (!Renderers.getRendererOptions().Contains(Default.DefaultRenderer)) Default.DefaultRenderer = string.Empty;
-                    if (!Onnx.getRunnerOptions().Contains(Default.OnnxRunner)) Default.OnnxRunner = string.Empty;
-                } else {
-                    Reset();
-                }
-            } catch (Exception e) {
-                Log.Error(e, "Failed to load prefs.");
-                Default = new SerializablePreferences();
-            }
-        }
-
-        private static bool ValidString(Action action) {
-            try {
-                action();
-                return true;
-            } catch {
-                return false;
-            }
-        }
-
-        [Serializable]
-        public class SerializablePreferences {
-            public const int MidiWidth = 1024;
-            public const int MidiHeight = 768;
-            public int MainWidth = 1024;
-            public int MainHeight = 768;
-            public bool MainMaximized;
-            public bool MidiMaximized;
-            public int UndoLimit = 100;
-            public List<string> SingerSearchPaths = new List<string>();
-            public string PlaybackDevice = string.Empty;
-            public int PlaybackDeviceNumber;
-            public int? PlaybackDeviceIndex;
-            public bool ShowPrefs = true;
-            public bool ShowTips = true;
-            public int Theme;
-            public bool PenPlusDefault = false;
-            public int DegreeStyle;
-            public bool UseTrackColor = false;
-            public bool ClearCacheOnQuit = false;
-            public bool PreRender = true;
-            public int NumRenderThreads = 2;
-            public string DefaultRenderer = string.Empty;
-            public int WorldlineR = 0;
-            public string OnnxRunner = string.Empty;
-            public int OnnxGpu = 0;
-            public double DiffSingerDepth = 1.0;
-            public int DiffSingerSteps = 20;
-            public bool DiffSingerTensorCache = true;
-            public bool SkipRenderingMutedTracks = false;
-            public string Language = string.Empty;
-            public string? SortingOrder = null;
-            public List<string> RecentFiles = new List<string>();
-            public string SkipUpdate = string.Empty;
-            public string AdditionalSingerPath = string.Empty;
-            public bool InstallToAdditionalSingersPath = true;
-            public bool LoadDeepFolderSinger = true;
-            public bool PreferCommaSeparator = false;
-            public bool ResamplerLogging = false;
-            public List<string> RecentSingers = new List<string>();
-            public List<string> FavoriteSingers = new List<string>();
-            public Dictionary<string, string> SingerPhonemizers = new Dictionary<string, string>();
-            public List<string> RecentPhonemizers = new List<string>();
-            public bool PreferPortAudio = false;
-            public double PlayPosMarkerMargin = 0.9;
-            public int LockStartTime = 0;
-            public int PlaybackAutoScroll = 2;
-            public bool ReverseLogOrder = true;
-            public bool ShowPortrait = true;
-            public bool ShowIcon = true;
-            public bool ShowGhostNotes = true;
-            public bool PlayTone = true;
-            public bool ShowVibrato = true;
-            public bool ShowPitch = true;
-            public bool ShowFinalPitch = true;
-            public bool ShowWaveform = true;
-            public bool ShowPhoneme = true;
-            public bool ShowNoteParams = false;
-            public Dictionary<string, string> DefaultResamplers = new Dictionary<string, string>();
-            public Dictionary<string, string> DefaultWavtools = new Dictionary<string, string>();
-            public string LyricHelper = string.Empty;
-            public bool LyricsHelperBrackets = false;
-            public int OtoEditor = 0;
-            public string VLabelerPath = string.Empty;
-            public string SetParamPath = string.Empty;
-            public bool Beta = false;
-            public bool RememberMid = false;
-            public bool RememberUst = true;
-            public bool RememberVsqx = true;
-            public int ImportTempo = 0;
-            public string PhoneticAssistant = string.Empty;
-            public string RecentOpenSingerDirectory = string.Empty;
-            public string RecentOpenProjectDirectory = string.Empty;
-            public bool LockUnselectedNotesPitch = true;
-            public bool LockUnselectedNotesVibrato = true;
-            public bool LockUnselectedNotesExpressions = true;
-
-            public bool VoicebankPublishUseIgnore = true;
-            public string VoicebankPublishIgnores = "#Adobe Audition\n*.pkf\n\n#UTAU Engines\n*.ctspec\n*.d4c\n*.dio\n*.frc\n*.frt\n#*.frq\n*.harvest\n*.lessaudio\n*.llsm\n*.mrq\n*.pitchtier\n*.pkf\n*.platinum\n*.pmk\n*.star\n*.uspec\n*.vs4ufrq\n\n#UTAU related tools\n$read\n*.setParam-Scache\n*.lbp\n*.lbp.caches/*\n\n#OpenUtau\nerrors.txt\n*.sc.npz";
-        }
-    }
-}
+<ResourceDictionary xmlns="https://github.com/avaloniaui"
+                    xmlns:system="clr-namespace:System;assembly=mscorlib"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+
+  <system:String x:Key="context.note.copy">Copy note</system:String>
+  <system:String x:Key="context.note.delete">Delete note</system:String>
+  <system:String x:Key="context.note.pasteparameters">Select and paste parameters</system:String>
+  <system:String x:Key="context.part.delete">Delete part</system:String>
+  <system:String x:Key="context.part.gotofile">View file location</system:String>
+  <system:String x:Key="context.part.rename">Rename part</system:String>
+  <system:String x:Key="context.part.replaceaudio">Reselect audio file</system:String>
+  <system:String x:Key="context.part.transcribe">Transcribe audio to create a note part</system:String>
+  <system:String x:Key="context.part.transcribing">Transcribing</system:String>
+  <system:String x:Key="context.pitch.easein">Ease in</system:String>
+  <system:String x:Key="context.pitch.easeinout">Ease in/out</system:String>
+  <system:String x:Key="context.pitch.easeout">Ease out</system:String>
+  <system:String x:Key="context.pitch.linear">Linear</system:String>
+  <system:String x:Key="context.pitch.pointadd">Add point</system:String>
+  <system:String x:Key="context.pitch.pointdel">Delete point</system:String>
+  <system:String x:Key="context.pitch.pointsnapprev">Snap to previous note</system:String>
+  <system:String x:Key="context.timeline.addtempo">Add tempo change at {0}</system:String>
+  <system:String x:Key="context.timeline.addtimesig">Add time signature change</system:String>
+  <system:String x:Key="context.timeline.deltempo">Delete tempo change at {0}</system:String>
+  <system:String x:Key="context.timeline.deltimesig">Delete time signature change</system:String>
+
+  <system:String x:Key="debug.clear">Clear</system:String>
+  <system:String x:Key="debug.copylog">Copy Log</system:String>
+  <system:String x:Key="debug.reverselogorder">Reverse Log Order</system:String>
+
+  <system:String x:Key="dialogs.about.caption">About OpenUTAU</system:String>
+  <system:String x:Key="dialogs.about.message">
+    OpenUtau aims to be an open source editing environment for UTAU community, with a modern user experience and intelligent phonological support. Visit us on Github.
+  </system:String>
+  <system:String x:Key="dialogs.exitsave.caption">Exit OpenUtau</system:String>
+  <system:String x:Key="dialogs.exitsave.message">The current project contains unsaved changes. Do you want to save it?</system:String>
+  <system:String x:Key="dialogs.export.caption">Export</system:String>
+  <system:String x:Key="dialogs.export.savefirst">Save project file first</system:String>
+  <system:String x:Key="dialogs.importtracks.caption">Import tracks</system:String>
+  <system:String x:Key="dialogs.importtracks.importtempo">The imported project contains the following tempo markers. Do you want to use them?</system:String>
+  <system:String x:Key="dialogs.installdependency.caption">Installing dependency</system:String>
+  <system:String x:Key="dialogs.installdependency.message">Installing </system:String>
+  <system:String x:Key="dialogs.installdll.caption">Installing phonemizer</system:String>
+  <system:String x:Key="dialogs.installdll.message">Installing </system:String>
+  <system:String x:Key="dialogs.messagebox.cancel">Cancel</system:String>
+  <system:String x:Key="dialogs.messagebox.copy">Copy error to clipboard</system:String>
+  <system:String x:Key="dialogs.messagebox.no">No</system:String>
+  <system:String x:Key="dialogs.messagebox.ok">Ok</system:String>
+  <system:String x:Key="dialogs.messagebox.yes">Yes</system:String>
+  <system:String x:Key="dialogs.noresampler.caption">No resampler</system:String>
+  <system:String x:Key="dialogs.noresampler.message">No resampler! Put your favourite resampler exe or dll in the Resamplers folder and choose it in Preferences!</system:String>
+  <system:String x:Key="dialogs.remaptimeaxis.message">This tool will change the tempo of the project without changing the actual positions and durations (in seconds) of notes.
+  New BPM:</system:String>
+  <system:String x:Key="dialogs.timesig.caption">Time Signature</system:String>
+  <system:String x:Key="dialogs.tracksettings.caption">Track Settings</system:String>
+  <system:String x:Key="dialogs.tracksettings.location">Location</system:String>
+  <system:String x:Key="dialogs.tracksettings.renderer">Renderer</system:String>
+  <system:String x:Key="dialogs.tracksettings.setasdefault">Set As Default</system:String>
+  <system:String x:Key="dialogs.unsupportedfile.caption">Unsupported file format</system:String>
+  <system:String x:Key="dialogs.unsupportedfile.message">Unsupported file format: </system:String>
+  <system:String x:Key="dialogs.voicecolorremapping">Voice color remapping</system:String>
+  <system:String x:Key="dialogs.voicecolorremapping.caption">Applies to all notes in this track:</system:String>
+
+  <system:String x:Key="errors.caption">Error</system:String>
+  <system:String x:Key="errors.details">Error Details</system:String>
+  <system:String x:Key="errors.diffsinger.downloadvocoder1">Error loading vocoder </system:String>
+  <system:String x:Key="errors.diffsinger.downloadvocoder2">. Please download vocoder from </system:String>
+  <system:String x:Key="errors.encryptedarchive">Encrypted archive file isn't supported. Please extract the archive file manually.</system:String>
+  <system:String x:Key="errors.expression.abbrlong">Abbreviation must be between 1 and 4 characters long</system:String>
+  <system:String x:Key="errors.expression.abbrset">Abbreviation must be set</system:String>
+  <system:String x:Key="errors.expression.abbrunique">Abbreviations must be unique</system:String>
+  <system:String x:Key="errors.expression.default">Default value must be between min and max</system:String>
+  <system:String x:Key="errors.expression.flagunique">Flags must be unique</system:String>
+  <system:String x:Key="errors.expression.marge">The following expressions have been merged due to duplicate flags</system:String>
+  <system:String x:Key="errors.expression.min">Min must be smaller than max</system:String>
+  <system:String x:Key="errors.expression.name">Name must be set</system:String>
+  <system:String x:Key="errors.failed.export">Failed to export</system:String>
+  <system:String x:Key="errors.failed.importaudio">Failed to import audio</system:String>
+  <system:String x:Key="errors.failed.importfiles">Failed to import files</system:String>
+  <system:String x:Key="errors.failed.importmidi">Failed to import midi</system:String>
+  <system:String x:Key="errors.failed.installsinger">Failed to install singer</system:String>
+  <system:String x:Key="errors.failed.load">Failed to load</system:String>
+  <system:String x:Key="errors.failed.loadprefs">Failed to load prefs. Initialize it.</system:String>
+  <system:String x:Key="errors.failed.openfile">Failed to open</system:String>
+  <system:String x:Key="errors.failed.openlocation">Failed to open location</system:String>
+  <system:String x:Key="errors.failed.render">Failed to render</system:String>
+  <system:String x:Key="errors.failed.runeditingmacro">Failed to run editing macro</system:String>
+  <system:String x:Key="errors.failed.save">Failed to save</system:String>
+  <system:String x:Key="errors.failed.savesingerconfig">Failed to save singer config file</system:String>
+  <system:String x:Key="errors.failed.searchsinger">Failed to search singers</system:String>
+  <system:String x:Key="errors.install.cpp">Try installing the latest Visual C++ Redistributable. https://learn.microsoft.com/en-US/cpp/windows/latest-supported-vc-redist?view=msvc-170</system:String>
+  <system:String x:Key="errors.lyrics.regex">Character not allowed in regular expression</system:String>
+  <system:String x:Key="errors.lyrics.regexpreview">- regular expression error -</system:String>
+
+  <system:String x:Key="exps.abbr">Abbreviation</system:String>
+  <system:String x:Key="exps.apply">Apply</system:String>
+  <system:String x:Key="exps.caption">Expressions</system:String>
+  <system:String x:Key="exps.defaultvalue">Default</system:String>
+  <system:String x:Key="exps.flag">Resampler Flag</system:String>
+  <system:String x:Key="exps.getsuggestions">Add all expressions suggested by renderers</system:String>
+  <system:String x:Key="exps.isflag">Is Resampler Flag</system:String>
+  <system:String x:Key="exps.maxvalue">Max</system:String>
+  <system:String x:Key="exps.minvalue">Min</system:String>
+  <system:String x:Key="exps.name">Name</system:String>
+  <system:String x:Key="exps.optionvalues">Option Values</system:String>
+  <system:String x:Key="exps.sepbycomma">Separate values by ','</system:String>
+  <system:String x:Key="exps.type">Type</system:String>
+  <system:String x:Key="exps.type.curve">Curve</system:String>
+  <system:String x:Key="exps.type.numerical">Numerical</system:String>
+  <system:String x:Key="exps.type.options">Options</system:String>
+
+  <system:String x:Key="languages.de">German</system:String>
+  <system:String x:Key="languages.en">English</system:String>
+  <system:String x:Key="languages.es">Spanish</system:String>
+  <system:String x:Key="languages.fr">French</system:String>
+  <system:String x:Key="languages.invariant">Not translating</system:String>
+  <system:String x:Key="languages.it">Italian</system:String>
+  <system:String x:Key="languages.ja">Japanese</system:String>
+  <system:String x:Key="languages.ko">Korean</system:String>
+  <system:String x:Key="languages.pl">Polish</system:String>
+  <system:String x:Key="languages.pt">Portuguese</system:String>
+  <system:String x:Key="languages.ru">Russian</system:String>
+  <system:String x:Key="languages.vi">Vietnamese</system:String>
+  <system:String x:Key="languages.zh">Chinese</system:String>
+  <system:String x:Key="languages.zh-yue">Cantonese</system:String>
+  <system:String x:Key="languages.th">Thai</system:String>
+
+  <system:String x:Key="lyrics.apply">Apply</system:String>
+  <system:String x:Key="lyrics.cancel">Cancel</system:String>
+  <system:String x:Key="lyrics.caption">Edit Lyrics</system:String>
+  <system:String x:Key="lyrics.livepreview">Live preview</system:String>
+  <system:String x:Key="lyrics.max">Max</system:String>
+  <system:String x:Key="lyrics.reset">Reset</system:String>
+  <system:String x:Key="lyrics.selectnotes">Select some notes first!</system:String>
+  <system:String x:Key="lyrics.separators">Separators</system:String>
+
+  <system:String x:Key="lyricsreplace.after">After :</system:String>
+  <system:String x:Key="lyricsreplace.before">Before :</system:String>
+  <system:String x:Key="lyricsreplace.preset.rmvalphabet">Remove alphabet</system:String>
+  <system:String x:Key="lyricsreplace.preset.rmvnonhiragana">Remove non-hiragana</system:String>
+  <system:String x:Key="lyricsreplace.preset.rmvphonetichint">Remove phonetic hint</system:String>
+  <system:String x:Key="lyricsreplace.preset.rmvspace">Remove spaces and earlier</system:String>
+  <system:String x:Key="lyricsreplace.preset.rmvtone">Remove tone suffix</system:String>
+  <system:String x:Key="lyricsreplace.presets">Presets</system:String>
+  <system:String x:Key="lyricsreplace.preview">Preview</system:String>
+  <system:String x:Key="lyricsreplace.regex">Regular expressions can be used</system:String>
+  <system:String x:Key="lyricsreplace.replace">General lyrics replacement</system:String>
+
+  <system:String x:Key="menu.edit">Edit</system:String>
+  <system:String x:Key="menu.edit.copy">Copy</system:String>
+  <system:String x:Key="menu.edit.cut">Cut</system:String>
+  <system:String x:Key="menu.edit.delete">Delete</system:String>
+  <system:String x:Key="menu.edit.lockunselectednotes">Lock editing of unselected notes</system:String>
+  <system:String x:Key="menu.edit.lockunselectednotes.expressions">Expressions</system:String>
+  <system:String x:Key="menu.edit.lockunselectednotes.pitchpoints">Pitch Points</system:String>
+  <system:String x:Key="menu.edit.lockunselectednotes.vibrato">Vibrato</system:String>
+  <system:String x:Key="menu.edit.paste">Paste</system:String>
+  <system:String x:Key="menu.edit.redo">Redo</system:String>
+  <system:String x:Key="menu.edit.selectall">Select All</system:String>
+  <system:String x:Key="menu.edit.undo">Undo</system:String>
+  <system:String x:Key="menu.file">File</system:String>
+  <system:String x:Key="menu.file.exit">Exit</system:String>
+  <system:String x:Key="menu.file.exportaudio">Export Audio</system:String>
+  <system:String x:Key="menu.file.exportds">Export DiffSinger Scripts To</system:String>
+  <system:String x:Key="menu.file.exportds.v2">Export DiffSinger Scripts To (v2)</system:String>
+  <system:String x:Key="menu.file.exportds.v2withoutpitch">Export DiffSinger Scripts To (v2, without pitch curve)</system:String>
+  <system:String x:Key="menu.file.exportmidi">Export Midi File</system:String>
+  <system:String x:Key="menu.file.exportmixdown">Mixdown To Wav File</system:String>
+  <system:String x:Key="menu.file.exportproject">Export Project</system:String>
+  <system:String x:Key="menu.file.exportust">Export Ust Files</system:String>
+  <system:String x:Key="menu.file.exportustto">Export Ust Files To...</system:String>
+  <system:String x:Key="menu.file.exportwav">Export Wav Files</system:String>
+  <system:String x:Key="menu.file.exportwavto">Export Wav Files To...</system:String>
+  <system:String x:Key="menu.file.importaudio">Import Audio...</system:String>
+  <system:String x:Key="menu.file.importmidi">Import Midi...</system:String>
+  <system:String x:Key="menu.file.importmidi.drywetmidi">DryWetMidi Importer</system:String>
+  <system:String x:Key="menu.file.importmidi.naudio">Naudio Importer</system:String>
+  <system:String x:Key="menu.file.importtracks">Import Tracks...</system:String>
+  <system:String x:Key="menu.file.new">New</system:String>
+  <system:String x:Key="menu.file.newfromtemplate">New From Template</system:String>
+  <system:String x:Key="menu.file.open">Open...</system:String>
+  <system:String x:Key="menu.file.openas">Open As</system:String>
+  <system:String x:Key="menu.file.openexportlocation">Open Export Location</system:String>
+  <system:String x:Key="menu.file.openprojectlocation">Open Project Location</system:String>
+  <system:String x:Key="menu.file.openrecent">Open Recent</system:String>
+  <system:String x:Key="menu.file.save">Save</system:String>
+  <system:String x:Key="menu.file.saveas">Save As...</system:String>
+  <system:String x:Key="menu.file.savetemplate">Save Template...</system:String>
+  <system:String x:Key="menu.help">Help</system:String>
+  <system:String x:Key="menu.help.about">About OpenUtau</system:String>
+  <system:String x:Key="menu.help.checkupdate">Check Update</system:String>
+  <system:String x:Key="menu.help.logslocation">Open Logs Location</system:String>
+  <system:String x:Key="menu.help.reportissue">Report Issue</system:String>
+  <system:String x:Key="menu.help.wiki">OpenUtau Documentation</system:String>
+  <system:String x:Key="menu.project">Project</system:String>
+  <system:String x:Key="menu.project.expressions">Expressions...</system:String>
+  <system:String x:Key="menu.project.remaptimeaxis">Adjust Tempo (Preserve Timing)</system:String>
+  <system:String x:Key="menu.tools">Tools</system:String>
+  <system:String x:Key="menu.tools.clearcache">Clear Cache</system:String>
+  <system:String x:Key="menu.tools.debugwindow">Debug Window</system:String>
+  <system:String x:Key="menu.tools.dependency.install">Install Dependency (.oudep)...</system:String>
+  <system:String x:Key="menu.tools.layout">Layout</system:String>
+  <system:String x:Key="menu.tools.layout.hsplit11">Horizontal 1:1</system:String>
+  <system:String x:Key="menu.tools.layout.hsplit12">Horizontal 1:2</system:String>
+  <system:String x:Key="menu.tools.layout.hsplit13">Horizontal 1:3</system:String>
+  <system:String x:Key="menu.tools.layout.vsplit11">Vertical 1:1</system:String>
+  <system:String x:Key="menu.tools.layout.vsplit12">Vertical 1:2</system:String>
+  <system:String x:Key="menu.tools.layout.vsplit13">Vertical 1:3</system:String>
+  <system:String x:Key="menu.tools.prefs">Preferences...</system:String>
+  <system:String x:Key="menu.tools.singer.install">Install Singer...</system:String>
+  <system:String x:Key="menu.tools.singer.installadv">Install Singer (Advanced)...</system:String>
+  <system:String x:Key="menu.tools.singers">Singers...</system:String>
+  <system:String x:Key="menu.view">View</system:String>
+
+  <system:String x:Key="notedefaults.lyric">Lyric</system:String>
+  <system:String x:Key="notedefaults.lyric.defaultlyric">Default Lyric</system:String>
+  <system:String x:Key="notedefaults.portamento">Portamento</system:String>
+  <system:String x:Key="notedefaults.portamento.length">Length</system:String>
+  <system:String x:Key="notedefaults.portamento.start">Start</system:String>
+  <system:String x:Key="notedefaults.preset">Preset</system:String>
+  <system:String x:Key="notedefaults.preset.namenew">New Preset Name</system:String>
+  <system:String x:Key="notedefaults.preset.remove">Remove</system:String>
+  <system:String x:Key="notedefaults.preset.remove.tooltip">Removes last applied preset.</system:String>
+  <system:String x:Key="notedefaults.preset.save">Save</system:String>
+  <system:String x:Key="notedefaults.preset.save.tooltip">Save current settings to a new preset.</system:String>
+  <system:String x:Key="notedefaults.reset">Reset All Settings</system:String>
+  <system:String x:Key="notedefaults.reset.tooltip">Reset every setting to default values.
+Warning: this option removes custom presets.</system:String>
+  <system:String x:Key="notedefaults.vibrato">Vibrato</system:String>
+  <system:String x:Key="notedefaults.vibrato.autominlength">Minimum Length</system:String>
+  <system:String x:Key="notedefaults.vibrato.autotoggle">Automatic Vibrato by Length</system:String>
+  <system:String x:Key="notedefaults.vibrato.depth">Depth</system:String>
+  <system:String x:Key="notedefaults.vibrato.drift">Drift</system:String>
+  <system:String x:Key="notedefaults.vibrato.in">Fade In</system:String>
+  <system:String x:Key="notedefaults.vibrato.length">Length</system:String>
+  <system:String x:Key="notedefaults.vibrato.out">Fade Out</system:String>
+  <system:String x:Key="notedefaults.vibrato.period">Period</system:String>
+  <system:String x:Key="notedefaults.vibrato.shift">Shift</system:String>
+  <system:String x:Key="notedefaults.vibrato.vollink">Volume Link</system:String>
+
+  <system:String x:Key="noteproperty">Note Properties</system:String>
+  <system:String x:Key="noteproperty.apply">Apply</system:String>
+  <system:String x:Key="noteproperty.basic">Basic</system:String>
+  <system:String x:Key="noteproperty.cancel">Cancel</system:String>
+  <system:String x:Key="noteproperty.set">Set</system:String>
+  <system:String x:Key="noteproperty.setlongnote">Set only on long notes</system:String>
+  <system:String x:Key="noteproperty.tone">Tone</system:String>
+  <system:String x:Key="noteproperty.vibratoenable">Enable</system:String>
+
+  <system:String x:Key="oto.alias">Alias</system:String>
+  <system:String x:Key="oto.color">Color</system:String>
+  <system:String x:Key="oto.consonant">Consonant</system:String>
+  <system:String x:Key="oto.cutoff">Cutoff</system:String>
+  <system:String x:Key="oto.edit.consonant">Set Consonant</system:String>
+  <system:String x:Key="oto.edit.cutoff">Set Cutoff</system:String>
+  <system:String x:Key="oto.edit.offset">Set Offset</system:String>
+  <system:String x:Key="oto.edit.overlap">Set Overlap</system:String>
+  <system:String x:Key="oto.edit.preutter">Set Preutter</system:String>
+  <system:String x:Key="oto.file">File</system:String>
+  <system:String x:Key="oto.offset">Offset</system:String>
+  <system:String x:Key="oto.overlap">Overlap</system:String>
+  <system:String x:Key="oto.phonetic">Phonetic</system:String>
+  <system:String x:Key="oto.prefix">Prefix</system:String>
+  <system:String x:Key="oto.preutter">Preutter</system:String>
+  <system:String x:Key="oto.set">Set</system:String>
+  <system:String x:Key="oto.suffix">Suffix</system:String>
+
+  <system:String x:Key="phoneticassistant.caption">Phonetic Assistant</system:String>
+  <system:String x:Key="phoneticassistant.copy">Copy</system:String>
+
+  <system:String x:Key="pianoroll.menu.batch">Batch Edits</system:String>
+  <system:String x:Key="pianoroll.menu.batch.running">Running batch edit</system:String>
+  <system:String x:Key="pianoroll.menu.lyrics">Lyrics</system:String>
+  <system:String x:Key="pianoroll.menu.lyrics.dashtoplus">Replace "-" with "+"</system:String>
+  <system:String x:Key="pianoroll.menu.lyrics.edit">Edit Lyrics</system:String>
+  <system:String x:Key="pianoroll.menu.lyrics.hiraganatoromaji">Hiragana to Romaji</system:String>
+  <system:String x:Key="pianoroll.menu.lyrics.insertslur">Insert slur lyric</system:String>
+  <system:String x:Key="pianoroll.menu.lyrics.javcvtocv">Japanese VCV to CV</system:String>
+  <system:String x:Key="pianoroll.menu.lyrics.movesuffixtovoicecolor">Move Suffix to VoiceColor</system:String>
+  <system:String x:Key="pianoroll.menu.lyrics.removelettersuffix">Remove Letter Suffix</system:String>
+  <system:String x:Key="pianoroll.menu.lyrics.removephonetichint">Remove Phonetic Hint</system:String>
+  <system:String x:Key="pianoroll.menu.lyrics.removetonesuffix">Remove Tone Suffix</system:String>
+  <system:String x:Key="pianoroll.menu.lyrics.romajitohiragana">Romaji to Hiragana</system:String>
+  <system:String x:Key="pianoroll.menu.notedefaults">Note Defaults</system:String>
+  <system:String x:Key="pianoroll.menu.notes">Notes</system:String>
+  <system:String x:Key="pianoroll.menu.notes.addbreath">Add breath</system:String>
+  <system:String x:Key="pianoroll.menu.notes.addtaildash">Add tail "-"</system:String>
+  <system:String x:Key="pianoroll.menu.notes.addtailrest">Add tail "R"</system:String>
+  <system:String x:Key="pianoroll.menu.notes.autolegato">Auto Legato</system:String>
+  <system:String x:Key="pianoroll.menu.notes.bakepitch">Convert PITD to pitch control points</system:String>
+  <system:String x:Key="pianoroll.menu.notes.clear.vibratos">Clear vibratos</system:String>
+  <system:String x:Key="pianoroll.menu.notes.fixoverlap">Fix overlapping notes</system:String>
+  <system:String x:Key="pianoroll.menu.notes.hanzitopinyin">Hanzi to pinyin</system:String>
+  <system:String x:Key="pianoroll.menu.notes.lengthencrossfade">Lengthen crossfades</system:String>
+  <system:String x:Key="pianoroll.menu.notes.loadrenderedpitch">Load rendered pitch</system:String>
+  <system:String x:Key="pianoroll.menu.notes.octavedown">Move an octave down</system:String>
+  <system:String x:Key="pianoroll.menu.notes.octaveup">Move an octave up</system:String>
+  <system:String x:Key="pianoroll.menu.notes.quantize15">Quantize to 1/128</system:String>
+  <system:String x:Key="pianoroll.menu.notes.quantize30">Quantize to 1/64</system:String>
+  <system:String x:Key="pianoroll.menu.notes.removetaildash">Remove tail "-"</system:String>
+  <system:String x:Key="pianoroll.menu.notes.removetailrest">Remove tail "R"</system:String>
+  <system:String x:Key="pianoroll.menu.notes.reset.aliases">Reset phoneme aliases</system:String>
+  <system:String x:Key="pianoroll.menu.notes.reset.all">Reset notes to default</system:String>
+  <system:String x:Key="pianoroll.menu.notes.reset.allparameters">Reset all parameters</system:String>
+  <system:String x:Key="pianoroll.menu.notes.reset.exps">Reset all expressions</system:String>
+  <system:String x:Key="pianoroll.menu.notes.reset.phonemetimings">Reset phoneme timings</system:String>
+  <system:String x:Key="pianoroll.menu.notes.reset.pitchbends">Reset pitch bends</system:String>
+  <system:String x:Key="pianoroll.menu.notes.reset.vibratos">Reset vibratos</system:String>
+  <system:String x:Key="pianoroll.menu.part">Part</system:String>
+  <system:String x:Key="pianoroll.menu.part.legacypluginexp">Legacy Plugin (Experimental)</system:String>
+  <system:String x:Key="pianoroll.menu.part.singer">Singer and Oto settings</system:String>
+  <system:String x:Key="pianoroll.menu.plugin.openfolder">Open folder</system:String>
+  <system:String x:Key="pianoroll.menu.plugin.reload">Reload</system:String>
+  <system:String x:Key="pianoroll.menu.reset">Reset</system:String>
+  <system:String x:Key="pianoroll.menu.searchnote">Search Note</system:String>
+  <system:String x:Key="pianoroll.menu.searchnote.all">Select All</system:String>
+  <system:String x:Key="pianoroll.menu.searchnote.close">Close</system:String>
+  <system:String x:Key="pianoroll.menu.searchnote.next">Next</system:String>
+  <system:String x:Key="pianoroll.menu.searchnote.prev">Prev</system:String>
+  <system:String x:Key="pianoroll.toggle.finalpitch">View Final Pitch to Render (R)</system:String>
+  <system:String x:Key="pianoroll.toggle.noteparams">View Note Parameters (\)</system:String>
+  <system:String x:Key="pianoroll.toggle.phoneme">View Phonemes (O)</system:String>
+  <system:String x:Key="pianoroll.toggle.pitch">View Pitch Bend (I)</system:String>
+  <system:String x:Key="pianoroll.toggle.snap">Toggle Snap (P)</system:String>
+  <system:String x:Key="pianoroll.toggle.snap.auto">Auto</system:String>
+  <system:String x:Key="pianoroll.toggle.snap.autotriplet">Auto (triplet)</system:String>
+  <system:String x:Key="pianoroll.toggle.tips">View Tips (T)</system:String>
+  <system:String x:Key="pianoroll.toggle.tone">Toggle Note Tone (Y)</system:String>
+  <system:String x:Key="pianoroll.toggle.vibrato">View Vibrato (U)</system:String>
+  <system:String x:Key="pianoroll.toggle.waveform">View Waveform (W)</system:String>
+  <system:String x:Key="pianoroll.tool.drawpitch">Draw Pitch Tool (4)
+    Left click to draw
+    Right click to reset
+    Hold Ctrl to select
+    Hold Alt to smoothen</system:String>
+  <system:String x:Key="pianoroll.tool.drawlinepitch">
+    Line Draw Pitch Tool (Shift + 4)
+    Left click to draw (draw straight line)
+    Right click to reset
+    Hold Ctrl to select
+    Hold Alt to smoothen
+  </system:String>
+  <system:String x:Key="pianoroll.tool.eraser">Eraser Tool (3)</system:String>
+  <system:String x:Key="pianoroll.tool.knife">Knife Tool (5)</system:String>
+  <system:String x:Key="pianoroll.tool.overwritepitch">Overwrite Pitch Tool (Ctrl + 4)
+    Left click to draw (overwrites vibrato or mod+)
+    Right click to reset
+    Hold Ctrl to select
+    Hold Alt to smoothen
+  </system:String>
+  <system:String x:Key="pianoroll.tool.penplus">Pen Plus Tool (Ctrl + 2)
+    Left click to draw
+    Right click to delete
+    Hold Ctrl to select</system:String>
+  <system:String x:Key="pianoroll.tool.penv2">Pen Tool (2)
+    Left click to draw
+    Hold Ctrl to select</system:String>
+  <system:String x:Key="pianoroll.tool.selectionv2">Selection Tool (1)</system:String>
+
+  <system:String x:Key="prefs.advanced">Advanced</system:String>
+  <system:String x:Key="prefs.advanced.beta">Beta</system:String>
+  <system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>
+  <system:String x:Key="prefs.advanced.importtempo">When importing tracks, use the tempos of the imported project</system:String>
+  <system:String x:Key="prefs.advanced.importtempo.always">Always</system:String>
+  <system:String x:Key="prefs.advanced.importtempo.ask">Ask me each time</system:String>
+  <system:String x:Key="prefs.advanced.importtempo.never">Never</system:String>
+  <system:String x:Key="prefs.advanced.lyricshelper">Lyrics Helper</system:String>
+  <system:String x:Key="prefs.advanced.lyricshelper.brackets">Lyrics Helper Adds Brackets</system:String>
+  <system:String x:Key="prefs.advanced.rememberfiletypes">Remember these file types in "Open Recent"</system:String>
+  <system:String x:Key="prefs.advanced.resamplerlogging">Resampler Logging</system:String>
+  <system:String x:Key="prefs.advanced.resamplerlogging.warn">Stores resampler output in log files. This option slows down UI and rendering.</system:String>
+  <system:String x:Key="prefs.advanced.stable">Stable</system:String>
+  <system:String x:Key="prefs.advanced.vlabelerpath">vLabeler Path</system:String>
+  <system:String x:Key="prefs.appearance">Appearance</system:String>
+  <system:String x:Key="prefs.appearance.degree">Scale degree display style</system:String>
+  <system:String x:Key="prefs.appearance.degree.numbered">Numbered (1 2 3 4 5 6 7)</system:String>
+  <system:String x:Key="prefs.appearance.degree.off">Off</system:String>
+  <system:String x:Key="prefs.appearance.degree.solfege">Solfège (do re mi fa sol la ti)</system:String>
+  <system:String x:Key="prefs.appearance.lang">Language</system:String>
+  <system:String x:Key="prefs.appearance.showghostnotes">Show other tracks' notes on piano roll</system:String>
+  <system:String x:Key="prefs.appearance.showicon">Show icon on piano roll</system:String>
+  <system:String x:Key="prefs.appearance.showportrait">Show portrait on piano roll</system:String>
+  <system:String x:Key="prefs.appearance.sortorder">Singer name display language</system:String>
+  <system:String x:Key="prefs.appearance.theme">Theme</system:String>
+  <system:String x:Key="prefs.appearance.theme.dark">Dark</system:String>
+  <system:String x:Key="prefs.appearance.theme.light">Light</system:String>
+  <system:String x:Key="prefs.appearance.trackcolor">Use track color in UI</system:String>
+  <system:String x:Key="prefs.cache">Cache</system:String>
+  <system:String x:Key="prefs.cache.clearonquit">Clear cache on quit</system:String>
+  <system:String x:Key="prefs.cache.diffsingertensorcache">DiffSinger Tensor Cache</system:String>
+  <system:String x:Key="prefs.caption">Preferences</system:String>
+  <system:String x:Key="prefs.note.restart">Note: please restart OpenUtau after changing this item.</system:String>
+  <system:String x:Key="prefs.off">Off</system:String>
+  <system:String x:Key="prefs.on">On</system:String>
+  <system:String x:Key="prefs.otoeditor">Oto Editor</system:String>
+  <system:String x:Key="prefs.otoeditor.select">Default Oto Editor</system:String>
+  <system:String x:Key="prefs.otoeditor.setparampath">setParam Path</system:String>
+  <system:String x:Key="prefs.paths">Paths</system:String>
+  <system:String x:Key="prefs.paths.addlsinger">Additional Singer Path</system:String>
+  <system:String x:Key="prefs.paths.addlsinger.install">Install to Additional Singer Path</system:String>
+  <system:String x:Key="prefs.paths.loaddeepfolders">Load all depth folders</system:String>
+  <system:String x:Key="prefs.paths.reset">Reset</system:String>
+  <system:String x:Key="prefs.paths.select">Select</system:String>
+  <system:String x:Key="prefs.penplus">Set Pen Plus Tool as Default</system:String>
+  <system:String x:Key="prefs.playback">Playback</system:String>
+  <system:String x:Key="prefs.playback.autoscroll">Auto-Scroll</system:String>
+  <system:String x:Key="prefs.playback.autoscrollmode">Auto-Scroll Mode</system:String>
+  <system:String x:Key="prefs.playback.autoscrollmode.pagescroll">Page Scroll</system:String>
+  <system:String x:Key="prefs.playback.autoscrollmode.stationarycursor">Stationary Cursor</system:String>
+  <system:String x:Key="prefs.playback.backend">Audio Backend</system:String>
+  <system:String x:Key="prefs.playback.backend.auto">Automatic</system:String>
+  <system:String x:Key="prefs.playback.backend.mini">MiniAudio</system:String>
+  <system:String x:Key="prefs.playback.cursorposition">Auto-Scroll Margin</system:String>
+  <system:String x:Key="prefs.playback.device">Playback Device</system:String>
+  <system:String x:Key="prefs.playback.lockstarttime">On Pausing</system:String>
+  <system:String x:Key="prefs.playback.lockstarttime.off">Do nothing</system:String>
+  <system:String x:Key="prefs.playback.lockstarttime.on">Move cursor and view position back to where you started playing</system:String>
+  <system:String x:Key="prefs.playback.lockstarttime.onlycursor">Move only cursor back to where you started playing</system:String>
+  <system:String x:Key="prefs.playback.test">Test</system:String>
+  <system:String x:Key="prefs.rendering">Rendering</system:String>
+  <system:String x:Key="prefs.rendering.defaultrenderer">Default renderer (for classic voicebanks)</system:String>
+  <system:String x:Key="prefs.rendering.diffsingerdepth">DiffSinger Render Depth</system:String>
+  <system:String x:Key="prefs.rendering.diffsingersteps">DiffSinger Render Steps</system:String>
+  <system:String x:Key="prefs.rendering.onnxgpu">GPU</system:String>
+  <system:String x:Key="prefs.rendering.onnxrunner">Machine Learning Runner</system:String>
+  <system:String x:Key="prefs.rendering.phasecomp">Phase Compensation</system:String>
+  <system:String x:Key="prefs.rendering.prerender">Pre-render</system:String>
+  <system:String x:Key="prefs.rendering.resampler">Resampler</system:String>
+  <system:String x:Key="prefs.rendering.resampler.morewarn">
+    Warning: moresampler is not fully supported. It may be slow and cause high CPU usage. If you insist, please:
+    1. Set "resampler-compatibility" to "on" in moreconfig.txt.
+    2. Set "auto-update-llsm-mrq" to "off" in moreconfig.txt.
+    3. Patiently wait for moresampler to generate missing llsm files.
+  </system:String>
+  <system:String x:Key="prefs.rendering.resampler.note">
+    Note: to use external resamplers, please add the resampler DLL or EXE file in the Resamplers folder in the OpenUtau install path and choose it in Preferences.
+  </system:String>
+  <system:String x:Key="prefs.rendering.skipmuted">Skip muted tracks</system:String>
+  <system:String x:Key="prefs.rendering.threads.cpuwarn">
+    Warning: too many render threads may cause OpenUtau to run slowly.
+  </system:String>
+  <system:String x:Key="prefs.rendering.threads.numthreads">Maximum Render Threads</system:String>
+  <system:String x:Key="prefs.rendering.wavtool">Wavtool</system:String>
+
+  <system:String x:Key="progress.loadingsingers">Loading Singers...</system:String>
+  <system:String x:Key="progress.saved">Project saved. {0}</system:String>
+  <system:String x:Key="progress.waitingrendering">Waiting Rendering</system:String>
+
+  <system:String x:Key="singers.caption">Singers</system:String>
+  <system:String x:Key="singers.editoto.editinsetparam">Edit In setParam</system:String>
+  <system:String x:Key="singers.editoto.editinvlabeler">Edit In vLabeler</system:String>
+  <system:String x:Key="singers.editoto.gotosource">Goto Source File</system:String>
+  <system:String x:Key="singers.editoto.regenfrq">Regenerate FRQ</system:String>
+  <system:String x:Key="singers.editoto.regenfrq.regenerating">Regenerating FRQ</system:String>
+  <system:String x:Key="singers.editoto.reset">Reset Otos</system:String>
+  <system:String x:Key="singers.editoto.save">Save Otos</system:String>
+  <system:String x:Key="singers.editoto.searchalias">Search Alias</system:String>
+  <system:String x:Key="singers.editoto.setsetparampath">Download setParam (v4.0b or higher) from http://nwp8861.blog92.fc2.com/ and set setParam path in Preferences first!</system:String>
+  <system:String x:Key="singers.editoto.setvlabelerpath">Download vLabeler (1.0.0-beta1 or higher) from https://github.com/sdercolin/vlabeler and set vLabeler path in Preferences first!</system:String>
+  <system:String x:Key="singers.errorreport">Generate Singer Error Report</system:String>
+  <system:String x:Key="singers.location">Location</system:String>
+  <system:String x:Key="singers.otoview.moveleft">Move Left</system:String>
+  <system:String x:Key="singers.otoview.moveright">Move Right</system:String>
+  <system:String x:Key="singers.otoview.selectnext">Select Next</system:String>
+  <system:String x:Key="singers.otoview.selectprev">Select Prev</system:String>
+  <system:String x:Key="singers.otoview.showall">Show All</system:String>
+  <system:String x:Key="singers.otoview.zoomin">Zoom In</system:String>
+  <system:String x:Key="singers.otoview.zoomout">Zoom Out</system:String>
+  <system:String x:Key="singers.playsample">Play sample</system:String>
+  <system:String x:Key="singers.publish">Publish Singer</system:String>
+  <system:String x:Key="singers.publish.description">Create an optimized zip package of your singer for distribution.</system:String>
+  <system:String x:Key="singers.publish.ignoretypes">Ignore these file types during packaging (gitignore syntax):</system:String>
+  <system:String x:Key="singers.publish.publish">Publish</system:String>
+  <system:String x:Key="singers.publish.useignore"> Use file type ignoring</system:String>
+  <system:String x:Key="singers.readme">Open readme.txt</system:String>
+  <system:String x:Key="singers.readme.notfound">readme.txt not found.</system:String>
+  <system:String x:Key="singers.refresh">Refresh</system:String>
+  <system:String x:Key="singers.setdefaultphonemizer">Set Default Phonemizer</system:String>
+  <system:String x:Key="singers.setencoding">Set Encoding</system:String>
+  <system:String x:Key="singers.setimage">Set Icon</system:String>
+  <system:String x:Key="singers.setportrait">Set Portrait</system:String>
+  <system:String x:Key="singers.setsingertype">Set Singer Type</system:String>
+  <system:String x:Key="singers.subbanks.cancel">Cancel</system:String>
+  <system:String x:Key="singers.subbanks.clear">Clear</system:String>
+  <system:String x:Key="singers.subbanks.color">Color</system:String>
+  <system:String x:Key="singers.subbanks.color.add">Add Color</system:String>
+  <system:String x:Key="singers.subbanks.color.remove">Remove Color</system:String>
+  <system:String x:Key="singers.subbanks.color.rename">Rename</system:String>
+  <system:String x:Key="singers.subbanks.edit">Edit Subbanks</system:String>
+  <system:String x:Key="singers.subbanks.export">Export prefix.map</system:String>
+  <system:String x:Key="singers.subbanks.import">Import prefix.map</system:String>
+  <system:String x:Key="singers.subbanks.reset">Reset</system:String>
+  <system:String x:Key="singers.subbanks.save">Save</system:String>
+  <system:String x:Key="singers.subbanks.selectall">Select All</system:String>
+  <system:String x:Key="singers.subbanks.set">Set</system:String>
+  <system:String x:Key="singers.subbanks.tone">Tone</system:String>
+  <system:String x:Key="singers.subbanks.toneranges">Tone Ranges</system:String>
+  <system:String x:Key="singers.usefilename">Use filename as alias</system:String>
+  <system:String x:Key="singers.visitwebsite">Visit Website</system:String>
+
+  <system:String x:Key="singersetup.archivefileencoding">Archive File Encoding</system:String>
+  <system:String x:Key="singersetup.archivefileencoding.prompt">Choose an encoding that make file names look right.</system:String>
+  <system:String x:Key="singersetup.back">Back</system:String>
+  <system:String x:Key="singersetup.install">Install</system:String>
+  <system:String x:Key="singersetup.missinginfo">Please add the following settings to this voicebank's character.yaml.</system:String>
+  <system:String x:Key="singersetup.next">Next</system:String>
+  <system:String x:Key="singersetup.singertype">Singer Type</system:String>
+  <system:String x:Key="singersetup.textfileencoding">Text File Encoding</system:String>
+  <system:String x:Key="singersetup.textfileencoding.prompt">Choose an encoding that make file contents look right.</system:String>
+
+  <system:String x:Key="tip.aliasbox">Override Alias</system:String>
+  <system:String x:Key="tip.exps">Left Button Draw: Set expressions
+Right Button Draw: Reset expressions</system:String>
+  <system:String x:Key="tip.exps.notsupported">Expression not supported by renderer</system:String>
+  <system:String x:Key="tip.lyricbox.next">Tab: Next Note</system:String>
+  <system:String x:Key="tip.lyricbox.prev">Shift+Tab: Previous Note</system:String>
+  <system:String x:Key="tip.notes.basics">Selection Tool
+    Box Select: Select notes
+    Ctrl + Box Select: Select more notes
+    Up/Down: Transpose selected notes
+    Ctrl + Up/Down: Transpose selected notes by octave
+Pen Tool
+    Left Button Draw: Add note
+    Right Click: Remove note
+    Right Button Draw: Remove multiple notes
+General
+    T: Toggle tips
+    Drag Note: Move note
+    Drag End of Note: Resize note
+    Alt + Drag End of Note: Resize neighbouring notes
+    Space: Play</system:String>
+  <system:String x:Key="tip.notes.zoomx">◀ Scroll here to zoom horizontally ▶</system:String>
+  <system:String x:Key="tip.notes.zoomy">Scroll here to zoom vertically ▶</system:String>
+
+  <system:String x:Key="tracks.duplicate">Duplicate Track</system:String>
+  <system:String x:Key="tracks.duplicatesettings">Duplicate Track Settings</system:String>
+  <system:String x:Key="tracks.installsinger">Install singer</system:String>
+  <system:String x:Key="tracks.more">More</system:String>
+  <system:String x:Key="tracks.movedown">Move Down</system:String>
+  <system:String x:Key="tracks.moveup">Move Up</system:String>
+  <system:String x:Key="tracks.mute">Mute</system:String>
+  <system:String x:Key="tracks.mute.allothers">Mute all others</system:String>
+  <system:String x:Key="tracks.mute.only">Mute this only</system:String>
+  <system:String x:Key="tracks.mute.unmuteall">Unmute all</system:String>
+  <system:String x:Key="tracks.opensingers">Open singers location</system:String>
+  <system:String x:Key="tracks.openaddsingers">Open additional singers location</system:String>
+  <system:String x:Key="tracks.remove">Remove</system:String>
+  <system:String x:Key="tracks.rename">Rename track</system:String>
+  <system:String x:Key="tracks.selectrenderer">Select Renderer</system:String>
+  <system:String x:Key="tracks.selectsinger">Select Singer</system:String>
+  <system:String x:Key="tracks.solo">Solo</system:String>
+  <system:String x:Key="tracks.solo.add">Solo additionally (which not removes solo from other tracks)</system:String>
+  <system:String x:Key="tracks.solo.only">Solo this only (which removes solo from other tracks)</system:String>
+  <system:String x:Key="tracks.solo.unsoloall">Unsolo all</system:String>
+  <system:String x:Key="tracks.trackcolor">Change track color</system:String>
+  <system:String x:Key="tracks.tracksettings">Track Settings</system:String>
+
+  <FontFamily x:Key="ui.fontfamily">Segoe UI,San Francisco,Helvetica Neue</FontFamily>
+
+  <system:String x:Key="updater.caption">Check for Update</system:String>
+  <system:String x:Key="updater.description">Open singing synthesis platform</system:String>
+  <system:String x:Key="updater.github">GitHub</system:String>
+  <system:String x:Key="updater.status.available">Update v{0} available!</system:String>
+  <system:String x:Key="updater.status.checking">Checking for updates...</system:String>
+  <system:String x:Key="updater.status.notavailable">Up to date</system:String>
+  <system:String x:Key="updater.status.unknown">Unable to check update</system:String>
+  <system:String x:Key="updater.update">Update</system:String>
+
+  <system:String x:Key="warning">Warning</system:String>
+  <system:String x:Key="warning.asciipath">Your OpenUtau home path "{0}" contains non-ASCII character. Exe resamplers may not work.</system:String>
+  <system:String x:Key="warning.renderer">No settings for this renderer.</system:String>
+</ResourceDictionary>
\ No newline at end of file
diff --git a/OpenUtau/Strings/Strings.axaml b/OpenUtau/Strings/Strings.axaml
index c84ae62cd..ba99775d2 100644
--- a/OpenUtau/Strings/Strings.axaml
+++ b/OpenUtau/Strings/Strings.axaml
@@ -358,6 +358,7 @@ Warning: this option removes custom presets.</system:String>
 
   <system:String x:Key="prefs.advanced">Advanced</system:String>
   <system:String x:Key="prefs.advanced.beta">Beta</system:String>
+  <system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>
   <system:String x:Key="prefs.advanced.importtempo">When importing tracks, use the tempos of the imported project</system:String>
   <system:String x:Key="prefs.advanced.importtempo.always">Always</system:String>
   <system:String x:Key="prefs.advanced.importtempo.ask">Ask me each time</system:String>
@@ -567,4 +568,4 @@ General
   <system:String x:Key="warning">Warning</system:String>
   <system:String x:Key="warning.asciipath">Your OpenUtau home path "{0}" contains non-ASCII character. Exe resamplers may not work.</system:String>
   <system:String x:Key="warning.renderer">No settings for this renderer.</system:String>
-</ResourceDictionary>
+</ResourceDictionary>
\ No newline at end of file
diff --git a/OpenUtau/ViewModels/PreferencesViewModel.cs b/OpenUtau/ViewModels/PreferencesViewModel.cs
index 6fb623fc5..cfac5a432 100644
--- a/OpenUtau/ViewModels/PreferencesViewModel.cs
+++ b/OpenUtau/ViewModels/PreferencesViewModel.cs
@@ -75,6 +75,8 @@ public CultureInfo? SortingOrder {
             set => this.RaiseAndSetIfChanged(ref sortingOrder, value);
         }
 
+        [Reactive] public bool CheckForUpdateOnStart { get; set; }
+
         [Reactive] public bool Beta { get; set; }
 
         public class LyricsHelperOption {
@@ -152,6 +154,7 @@ public PreferencesViewModel() {
             ShowPortrait = Preferences.Default.ShowPortrait;
             ShowIcon = Preferences.Default.ShowIcon;
             ShowGhostNotes = Preferences.Default.ShowGhostNotes;
+            CheckForUpdateOnStart = Preferences.Default.CheckForUpdateOnStart;
             Beta = Preferences.Default.Beta;
             LyricsHelper = LyricsHelpers.FirstOrDefault(option => option.klass.Equals(ActiveLyricsHelper.Inst.GetPreferred()));
             LyricsHelperBrackets = Preferences.Default.LyricsHelperBrackets;
@@ -261,6 +264,11 @@ public PreferencesViewModel() {
                     Preferences.Save();
                     MessageBus.Current.SendMessage(new PianorollRefreshEvent("Part"));
                 });
+            this.WhenAnyValue(vm => vm.CheckForUpdateOnStart)
+                .Subscribe(checkForUpdateOnStart => {
+                    Preferences.Default.CheckForUpdateOnStart = checkForUpdateOnStart;
+                    Preferences.Save();
+                });
             this.WhenAnyValue(vm => vm.Beta)
                 .Subscribe(beta => {
                     Preferences.Default.Beta = beta;
@@ -382,4 +390,4 @@ public void SetSetParamPath(string path) {
             this.RaisePropertyChanged(nameof(SetParamPath));
         }
     }
-}
+}
\ No newline at end of file
diff --git a/OpenUtau/Views/MainWindow.axaml.cs b/OpenUtau/Views/MainWindow.axaml.cs
index 68eaea8f7..ca890b246 100644
--- a/OpenUtau/Views/MainWindow.axaml.cs
+++ b/OpenUtau/Views/MainWindow.axaml.cs
@@ -1,1353 +1,1355 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.IO;
-using System.Linq;
-using System.Reactive;
-using System.Threading;
-using System.Threading.Tasks;
-using Avalonia;
-using Avalonia.Controls;
-using Avalonia.Controls.ApplicationLifetimes;
-using Avalonia.Controls.Primitives;
-using Avalonia.Input;
-using Avalonia.Interactivity;
-using Avalonia.Threading;
-using OpenUtau.App.Controls;
-using OpenUtau.App.ViewModels;
-using OpenUtau.Classic;
-using OpenUtau.Core;
-using OpenUtau.Core.Analysis.Some;
-using OpenUtau.Core.DiffSinger;
-using OpenUtau.Core.Format;
-using OpenUtau.Core.Ustx;
-using OpenUtau.Core.Util;
-using ReactiveUI;
-using Serilog;
-using Point = Avalonia.Point;
-
-namespace OpenUtau.App.Views {
-    public partial class MainWindow : Window, ICmdSubscriber {
-        private readonly KeyModifiers cmdKey =
-            OS.IsMacOS() ? KeyModifiers.Meta : KeyModifiers.Control;
-        private readonly MainWindowViewModel viewModel;
-
-        private PianoRollWindow? pianoRollWindow;
-        private bool openPianoRollWindow;
-
-        private PartEditState? partEditState;
-        private readonly DispatcherTimer timer;
-        private readonly DispatcherTimer autosaveTimer;
-        private bool forceClose;
-
-        private bool shouldOpenPartsContextMenu;
-
-        private readonly ReactiveCommand<UPart, Unit> PartRenameCommand;
-        private readonly ReactiveCommand<UPart, Unit> PartGotoFileCommand;
-        private readonly ReactiveCommand<UPart, Unit> PartReplaceAudioCommand;
-        private readonly ReactiveCommand<UPart, Unit> PartTranscribeCommand;
-
-        public MainWindow() {
-            Log.Information("Creating main window.");
-            InitializeComponent();
-            Log.Information("Initialized main window component.");
-            DataContext = viewModel = new MainWindowViewModel();
-
-            viewModel.InitProject();
-            viewModel.AddTempoChangeCmd = ReactiveCommand.Create<int>(tick => AddTempoChange(tick));
-            viewModel.DelTempoChangeCmd = ReactiveCommand.Create<int>(tick => DelTempoChange(tick));
-            viewModel.AddTimeSigChangeCmd = ReactiveCommand.Create<int>(bar => AddTimeSigChange(bar));
-            viewModel.DelTimeSigChangeCmd = ReactiveCommand.Create<int>(bar => DelTimeSigChange(bar));
-
-            timer = new DispatcherTimer(
-                TimeSpan.FromMilliseconds(15),
-                DispatcherPriority.Normal,
-                (sender, args) => PlaybackManager.Inst.UpdatePlayPos());
-            timer.Start();
-
-            autosaveTimer = new DispatcherTimer(
-                TimeSpan.FromSeconds(30),
-                DispatcherPriority.Normal,
-                (sender, args) => DocManager.Inst.AutoSave());
-            autosaveTimer.Start();
-
-            PartRenameCommand = ReactiveCommand.Create<UPart>(part => RenamePart(part));
-            PartGotoFileCommand = ReactiveCommand.Create<UPart>(part => GotoFile(part));
-            PartReplaceAudioCommand = ReactiveCommand.Create<UPart>(part => ReplaceAudio(part));
-            PartTranscribeCommand = ReactiveCommand.Create<UPart>(part => Transcribe(part));
-
-            AddHandler(DragDrop.DropEvent, OnDrop);
-
-            DocManager.Inst.AddSubscriber(this);
-
-            Log.Information("Main window checking Update.");
-            UpdaterDialog.CheckForUpdate(
-                dialog => dialog.Show(this),
-                () => (Application.Current?.ApplicationLifetime as IControlledApplicationLifetime)?.Shutdown(),
-                TaskScheduler.FromCurrentSynchronizationContext());
-            Log.Information("Created main window.");
-        }
-
-        void OnEditTimeSignature(object sender, PointerPressedEventArgs args) {
-            var project = DocManager.Inst.Project;
-            var timeSig = project.timeSignatures[0];
-            var dialog = new TimeSignatureDialog(timeSig.beatPerBar, timeSig.beatUnit);
-            dialog.OnOk = (beatPerBar, beatUnit) => {
-                viewModel.PlaybackViewModel.SetTimeSignature(beatPerBar, beatUnit);
-            };
-            dialog.ShowDialog(this);
-            // Workaround for https://github.com/AvaloniaUI/Avalonia/issues/3986
-            args.Pointer.Capture(null);
-        }
-
-        void OnEditBpm(object sender, PointerPressedEventArgs args) {
-            var project = DocManager.Inst.Project;
-            var dialog = new TypeInDialog();
-            dialog.Title = "BPM";
-            dialog.SetText(project.tempos[0].bpm.ToString());
-            dialog.onFinish = s => {
-                if (double.TryParse(s, out double bpm)) {
-                    viewModel.PlaybackViewModel.SetBpm(bpm);
-                }
-            };
-            dialog.ShowDialog(this);
-            // Workaround for https://github.com/AvaloniaUI/Avalonia/issues/3986
-            args.Pointer.Capture(null);
-        }
-
-        private void AddTempoChange(int tick) {
-            var project = DocManager.Inst.Project;
-            var dialog = new TypeInDialog {
-                Title = "BPM"
-            };
-            dialog.SetText(project.tempos[0].bpm.ToString());
-            dialog.onFinish = s => {
-                if (double.TryParse(s, out double bpm)) {
-                    DocManager.Inst.StartUndoGroup();
-                    DocManager.Inst.ExecuteCmd(new AddTempoChangeCommand(
-                        project, tick, bpm));
-                    DocManager.Inst.EndUndoGroup();
-                }
-            };
-            dialog.ShowDialog(this);
-        }
-
-        private void DelTempoChange(int tick) {
-            var project = DocManager.Inst.Project;
-            DocManager.Inst.StartUndoGroup();
-            DocManager.Inst.ExecuteCmd(new DelTempoChangeCommand(project, tick));
-            DocManager.Inst.EndUndoGroup();
-        }
-
-
-
-        void OnMenuRemapTimeaxis(object sender, RoutedEventArgs e) {
-            var project = DocManager.Inst.Project;
-            var dialog = new TypeInDialog {
-                Title = ThemeManager.GetString("menu.project.remaptimeaxis")
-            };
-            dialog.Height = 200;
-            dialog.SetPrompt(ThemeManager.GetString("dialogs.remaptimeaxis.message"));
-            dialog.SetText(project.tempos[0].bpm.ToString());
-            dialog.onFinish = s => {
-                try {
-                    if (double.TryParse(s, out double bpm)) {
-                        DocManager.Inst.StartUndoGroup();
-                        var oldTimeAxis = project.timeAxis.Clone();
-                        DocManager.Inst.ExecuteCmd(new BpmCommand(
-                            project, bpm));
-                        foreach (var tempo in project.tempos.Skip(1)) {
-                            DocManager.Inst.ExecuteCmd(new DelTempoChangeCommand(
-                                project, tempo.position));
-                        }
-                        viewModel.RemapTimeAxis(oldTimeAxis, project.timeAxis.Clone());
-                        DocManager.Inst.EndUndoGroup();
-                    }
-                } catch (Exception e) {
-                    Log.Error(e, "Failed to open project location");
-                    MessageBox.ShowError(this, new MessageCustomizableException("Failed to open project location", "<translate:errors.failed.openlocation>: project location", e));
-                }
-            };
-            dialog.ShowDialog(this);
-        }
-
-        private void AddTimeSigChange(int bar) {
-            var project = DocManager.Inst.Project;
-            var timeSig = project.timeAxis.TimeSignatureAtBar(bar);
-            var dialog = new TimeSignatureDialog(timeSig.beatPerBar, timeSig.beatUnit);
-            dialog.OnOk = (beatPerBar, beatUnit) => {
-                DocManager.Inst.StartUndoGroup();
-                DocManager.Inst.ExecuteCmd(new AddTimeSigCommand(
-                    project, bar, dialog.BeatPerBar, dialog.BeatUnit));
-                DocManager.Inst.EndUndoGroup();
-            };
-            dialog.ShowDialog(this);
-        }
-
-        private void DelTimeSigChange(int bar) {
-            var project = DocManager.Inst.Project;
-            DocManager.Inst.StartUndoGroup();
-            DocManager.Inst.ExecuteCmd(new DelTimeSigCommand(project, bar));
-            DocManager.Inst.EndUndoGroup();
-        }
-
-        void OnMenuNew(object sender, RoutedEventArgs args) => NewProject();
-        async void NewProject() {
-            if (!DocManager.Inst.ChangesSaved && !await AskIfSaveAndContinue()) {
-                return;
-            }
-            viewModel.NewProject();
-        }
-
-        void OnMenuOpen(object sender, RoutedEventArgs args) => Open();
-        async void Open() {
-            if (!DocManager.Inst.ChangesSaved && !await AskIfSaveAndContinue()) {
-                return;
-            }
-            var files = await FilePicker.OpenFilesAboutProject(
-                this, "menu.file.open",
-                FilePicker.ProjectFiles,
-                FilePicker.USTX,
-                FilePicker.VSQX,
-                FilePicker.UST,
-                FilePicker.MIDI,
-                FilePicker.UFDATA);
-            if (files == null || files.Length == 0) {
-                return;
-            }
-            try {
-                viewModel.OpenProject(files);
-            } catch (Exception e) {
-                Log.Error(e, $"Failed to open files {string.Join("\n", files)}");
-                _ = await MessageBox.ShowError(this, new MessageCustomizableException($"Failed to open files {string.Join("\n", files)}", $"<translate:errors.failed.openfile>:\n{string.Join("\n", files)}", e));
-            }
-        }
-
-        void OnMainMenuOpened(object sender, RoutedEventArgs args) {
-            viewModel.RefreshOpenRecent();
-            viewModel.RefreshTemplates();
-            viewModel.RefreshCacheSize();
-        }
-
-        void OnMainMenuClosed(object sender, RoutedEventArgs args) {
-            Focus(); // Force unfocus menu for key down events.
-        }
-
-        void OnMainMenuPointerLeave(object sender, PointerEventArgs args) {
-            Focus(); // Force unfocus menu for key down events.
-        }
-
-        void OnMenuOpenProjectLocation(object sender, RoutedEventArgs args) {
-            var project = DocManager.Inst.Project;
-            if (string.IsNullOrEmpty(project.FilePath) || !project.Saved) {
-                MessageBox.Show(
-                    this,
-                    ThemeManager.GetString("dialogs.export.savefirst"),
-                    ThemeManager.GetString("errors.caption"),
-                    MessageBox.MessageBoxButtons.Ok);
-            }
-            try {
-                var dir = Path.GetDirectoryName(project.FilePath);
-                if (dir != null) {
-                    OS.OpenFolder(dir);
-                } else {
-                    Log.Error($"Failed to get project location from {dir}.");
-                }
-            } catch (Exception e) {
-                Log.Error(e, "Failed to open project location.");
-                MessageBox.ShowError(this, new MessageCustomizableException("Failed to open project location.", "<translate:errors.failed.openlocation>: project location", e));
-            }
-        }
-
-        async void OnMenuSave(object sender, RoutedEventArgs args) => await Save();
-        public async Task Save() {
-            if (!viewModel.ProjectSaved) {
-                await SaveAs();
-            } else {
-                viewModel.SaveProject();
-                string message = ThemeManager.GetString("progress.saved");
-                message = string.Format(message, DateTime.Now);
-                DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, message));
-            }
-        }
-
-        async void OnMenuSaveAs(object sender, RoutedEventArgs args) => await SaveAs();
-        async Task SaveAs() {
-            var file = await FilePicker.SaveFileAboutProject(
-                this, "menu.file.saveas", FilePicker.USTX);
-            if (!string.IsNullOrEmpty(file)) {
-                viewModel.SaveProject(file);
-            }
-        }
-
-        void OnMenuSaveTemplate(object sender, RoutedEventArgs args) {
-            var project = DocManager.Inst.Project;
-            var dialog = new TypeInDialog();
-            dialog.Title = ThemeManager.GetString("menu.file.savetemplate");
-            dialog.SetText("default");
-            dialog.onFinish = file => {
-                if (string.IsNullOrEmpty(file)) {
-                    return;
-                }
-                file = Path.GetFileNameWithoutExtension(file);
-                file = $"{file}.ustx";
-                file = Path.Combine(PathManager.Inst.TemplatesPath, file);
-                Ustx.Save(file, project.CloneAsTemplate());
-            };
-            dialog.ShowDialog(this);
-        }
-
-        async void OnMenuImportTracks(object sender, RoutedEventArgs args) {
-            var files = await FilePicker.OpenFilesAboutProject(
-                this, "menu.file.importtracks",
-                FilePicker.ProjectFiles,
-                FilePicker.USTX,
-                FilePicker.VSQX,
-                FilePicker.UST,
-                FilePicker.MIDI,
-                FilePicker.UFDATA);
-            if (files == null || files.Length == 0) {
-                return;
-            }
-            try {
-                var loadedProjects = Formats.ReadProjects(files);
-                if (loadedProjects == null || loadedProjects.Length == 0) {
-                    return;
-                }
-                bool importTempo = true;
-                switch (Preferences.Default.ImportTempo) {
-                    case 1:
-                        importTempo = false;
-                        break;
-                    case 2:
-                        if (loadedProjects[0].tempos.Count == 0) {
-                            importTempo = false;
-                            break;
-                        }
-                        var tempoString = String.Join("\n",
-                            loadedProjects[0].tempos
-                                .Select(tempo => $"position: {tempo.position}, tempo: {tempo.bpm}")
-                            );
-                        //ask the user
-                        var result = await MessageBox.Show(
-                            this,
-                            ThemeManager.GetString("dialogs.importtracks.importtempo") + "\n" + tempoString,
-                            ThemeManager.GetString("dialogs.importtracks.caption"),
-                            MessageBox.MessageBoxButtons.YesNo);
-                        if (result == MessageBox.MessageBoxResult.No) {
-                            importTempo = false;
-                        }
-                        break;
-                }
-                viewModel.ImportTracks(loadedProjects, importTempo);
-            } catch (Exception e) {
-                Log.Error(e, $"Failed to import files");
-                _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import files", "<translate:errors.failed.importfiles>", e));
-            }
-            ValidateTracksVoiceColor();
-        }
-
-        async void OnMenuImportAudio(object sender, RoutedEventArgs args) {
-            var file = await FilePicker.OpenFileAboutProject(
-                this, "menu.file.importaudio", FilePicker.AudioFiles);
-            if (file == null) {
-                return;
-            }
-            try {
-                viewModel.ImportAudio(file);
-            } catch (Exception e) {
-                Log.Error(e, "Failed to import audio");
-                _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import audio", "<translate:errors.failed.importaudio>", e));
-            }
-        }
-
-        async void OnMenuImportMidi(object sender, RoutedEventArgs args) {
-            var file = await FilePicker.OpenFileAboutProject(
-                this, "menu.file.importmidi", FilePicker.MIDI);
-            if (file == null) {
-                return;
-            }
-            try {
-                viewModel.ImportMidi(file);
-            } catch (Exception e) {
-                Log.Error(e, "Failed to import midi");
-                _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import midi", "<translate:errors.failed.importmidi>", e));
-            }
-        }
-
-        async void OnMenuExportMixdown(object sender, RoutedEventArgs args) {
-            var project = DocManager.Inst.Project;
-            var file = await FilePicker.SaveFileAboutProject(
-                this, "menu.file.exportmixdown", FilePicker.WAV);
-            if (!string.IsNullOrEmpty(file)) {
-                await PlaybackManager.Inst.RenderMixdown(project, file);
-            }
-        }
-
-        async void OnMenuExportWav(object sender, RoutedEventArgs args) {
-            var project = DocManager.Inst.Project;
-            if (await WarnToSave(project)) {
-                var name = Path.GetFileNameWithoutExtension(project.FilePath);
-                var path = Path.GetDirectoryName(project.FilePath);
-                path = Path.Combine(path!, "Export", $"{name}.wav");
-                await PlaybackManager.Inst.RenderToFiles(project, path);
-            }
-        }
-
-        async void OnMenuExportWavTo(object sender, RoutedEventArgs args) {
-            var project = DocManager.Inst.Project;
-            var file = await FilePicker.SaveFileAboutProject(
-                this, "menu.file.exportwavto", FilePicker.WAV);
-            if (!string.IsNullOrEmpty(file)) {
-                await PlaybackManager.Inst.RenderToFiles(project, file);
-            }
-        }
-
-        async void OnMenuExportDsTo(object sender, RoutedEventArgs e) {
-            var project = DocManager.Inst.Project;
-            var file = await FilePicker.SaveFileAboutProject(
-                this, "menu.file.exportds", FilePicker.DS);
-            if (!string.IsNullOrEmpty(file)) {
-                for (var i = 0; i < project.parts.Count; i++) {
-                    var part = project.parts[i];
-                    if (part is UVoicePart voicePart) {
-                        var savePath = PathManager.Inst.GetPartSavePath(file, voicePart.DisplayName, i)[..^4] + ".ds";
-                        DiffSingerScript.SavePart(project, voicePart, savePath);
-                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
-                    }
-                }
-            }
-        }
-
-        async void OnMenuExportDsV2To(object sender, RoutedEventArgs e) {
-            var project = DocManager.Inst.Project;
-            var file = await FilePicker.SaveFileAboutProject(
-                this, "menu.file.exportds.v2", FilePicker.DS);
-            if (!string.IsNullOrEmpty(file)) {
-                for (var i = 0; i < project.parts.Count; i++) {
-                    var part = project.parts[i];
-                    if (part is UVoicePart voicePart) {
-                        var savePath = PathManager.Inst.GetPartSavePath(file, voicePart.DisplayName, i)[..^4] + ".ds";
-                        DiffSingerScript.SavePart(project, voicePart, savePath, true);
-                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
-                    }
-                }
-            }
-        }
-
-        async void OnMenuExportDsV2WithoutPitchTo(object sender, RoutedEventArgs e) {
-            var project = DocManager.Inst.Project;
-            var file = await FilePicker.SaveFileAboutProject(
-                this, "menu.file.exportds.v2withoutpitch", FilePicker.DS);
-            if (!string.IsNullOrEmpty(file)) {
-                for (var i = 0; i < project.parts.Count; i++) {
-                    var part = project.parts[i];
-                    if (part is UVoicePart voicePart) {
-                        var savePath = PathManager.Inst.GetPartSavePath(file, voicePart.DisplayName, i)[..^4] + ".ds";
-                        DiffSingerScript.SavePart(project, voicePart, savePath, true, false);
-                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
-                    }
-                }
-            }
-        }
-
-        async void OnMenuExportUst(object sender, RoutedEventArgs e) {
-            var project = DocManager.Inst.Project;
-            if (await WarnToSave(project)) {
-                var name = Path.GetFileNameWithoutExtension(project.FilePath);
-                var path = Path.GetDirectoryName(project.FilePath);
-                path = Path.Combine(path!, "Export", $"{name}.ust");
-                for (var i = 0; i < project.parts.Count; i++) {
-                    var part = project.parts[i];
-                    if (part is UVoicePart voicePart) {
-                        var savePath = PathManager.Inst.GetPartSavePath(path, voicePart.DisplayName, i);
-                        Ust.SavePart(project, voicePart, savePath);
-                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
-                    }
-                }
-            }
-        }
-
-        async void OnMenuExportUstTo(object sender, RoutedEventArgs e) {
-            var project = DocManager.Inst.Project;
-            var file = await FilePicker.SaveFileAboutProject(
-                this, "menu.file.exportustto", FilePicker.UST);
-            if (!string.IsNullOrEmpty(file)) {
-                for (var i = 0; i < project.parts.Count; i++) {
-                    var part = project.parts[i];
-                    if (part is UVoicePart voicePart) {
-                        var savePath = PathManager.Inst.GetPartSavePath(file, voicePart.DisplayName, i);
-                        Ust.SavePart(project, voicePart, savePath);
-                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
-                    }
-                }
-            }
-        }
-
-        async void OnMenuExportMidi(object sender, RoutedEventArgs e) {
-            var project = DocManager.Inst.Project;
-            var file = await FilePicker.SaveFileAboutProject(
-                this, "menu.file.exportmidi", FilePicker.MIDI);
-            if (!string.IsNullOrEmpty(file)) {
-                MidiWriter.Save(file, project);
-            }
-        }
-
-        private async Task<bool> WarnToSave(UProject project) {
-            if (string.IsNullOrEmpty(project.FilePath)) {
-                await MessageBox.Show(
-                    this,
-                    ThemeManager.GetString("dialogs.export.savefirst"),
-                    ThemeManager.GetString("dialogs.export.caption"),
-                    MessageBox.MessageBoxButtons.Ok);
-                return false;
-            }
-            return true;
-        }
-
-        void OnMenuUndo(object sender, RoutedEventArgs args) => viewModel.Undo();
-        void OnMenuRedo(object sender, RoutedEventArgs args) => viewModel.Redo();
-
-        void OnMenuExpressionss(object sender, RoutedEventArgs args) {
-            var dialog = new ExpressionsDialog() {
-                DataContext = new ExpressionsViewModel(),
-            };
-            dialog.ShowDialog(this);
-            if (dialog.Position.Y < 0) {
-                dialog.Position = dialog.Position.WithY(0);
-            }
-        }
-
-        void OnMenuSingers(object sender, RoutedEventArgs args) {
-            OpenSingersWindow();
-        }
-
-        /// <summary>
-        /// Check if a track has a singer and if it exists.
-        /// If the user haven't selected a singer for the track, or the singer specified in ustx project doesn't exist, return null.
-        /// Otherwise, return the singer.
-        /// </summary>
-        public USinger? TrackSingerIfFound(UTrack track) {
-            if (track.Singer?.Found ?? false) {
-                return track.Singer;
-            }
-            return null;
-        }
-
-        public void OpenSingersWindow() {
-            var lifetime = Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime;
-            if (lifetime == null) {
-                return;
-            }
-
-            MessageBox.ShowLoading(this);
-            var dialog = lifetime.Windows.FirstOrDefault(w => w is SingersDialog);
-            try {
-                if (dialog == null) {
-                    USinger? singer = null;
-                    if (viewModel.TracksViewModel.SelectedParts.Count > 0) {
-                        singer = TrackSingerIfFound(viewModel.TracksViewModel.Tracks[viewModel.TracksViewModel.SelectedParts.First().trackNo]);
-                    }
-                    if (singer == null && viewModel.TracksViewModel.Tracks.Count > 0) {
-                        singer = TrackSingerIfFound(viewModel.TracksViewModel.Tracks.First());
-                    }
-                    var vm = new SingersViewModel();
-                    if (singer != null) {
-                        vm.Singer = singer;
-                    }
-                    dialog = new SingersDialog() { DataContext = vm };
-                    dialog.Show();
-                }
-                if (dialog.Position.Y < 0) {
-                    dialog.Position = dialog.Position.WithY(0);
-                }
-            } catch (Exception e) {
-                DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
-            } finally {
-                MessageBox.CloseLoading();
-            }
-            if (dialog != null) {
-                dialog.Activate();
-            }
-        }
-
-        async void OnMenuInstallSinger(object sender, RoutedEventArgs args) {
-            var file = await FilePicker.OpenFileAboutSinger(
-                this, "menu.tools.singer.install", FilePicker.ArchiveFiles);
-            if (file == null) {
-                return;
-            }
-            try {
-                if (file.EndsWith(Core.Vogen.VogenSingerInstaller.FileExt)) {
-                    Core.Vogen.VogenSingerInstaller.Install(file);
-                    return;
-                }
-                if (file.EndsWith(DependencyInstaller.FileExt)) {
-                    DependencyInstaller.Install(file);
-                    return;
-                }
-
-                var setup = new SingerSetupDialog() {
-                    DataContext = new SingerSetupViewModel() {
-                        ArchiveFilePath = file,
-                    },
-                };
-                _ = setup.ShowDialog(this);
-                if (setup.Position.Y < 0) {
-                    setup.Position = setup.Position.WithY(0);
-                }
-            } catch (Exception e) {
-                Log.Error(e, $"Failed to install singer {file}");
-                MessageCustomizableException mce;
-                if (e is MessageCustomizableException) {
-                    mce = (MessageCustomizableException)e;
-                } else {
-                    mce = new MessageCustomizableException($"Failed to install singer {file}", $"<translate:errors.failed.installsinger>: {file}", e);
-                }
-                _ = await MessageBox.ShowError(this, mce);
-            }
-        }
-
-        async void OnMenuInstallDependency(object sender, RoutedEventArgs args) {
-            var file = await FilePicker.OpenFile(
-                this, "menu.tools.dependency.install", FilePicker.OUDEP);
-            if (file == null) {
-                return;
-            }
-            if (file.EndsWith(DependencyInstaller.FileExt)) {
-                DependencyInstaller.Install(file);
-                return;
-            }
-        }
-
-        void OnMenuPreferences(object sender, RoutedEventArgs args) {
-            PreferencesViewModel dataContext;
-            try {
-                dataContext = new PreferencesViewModel();
-            } catch (Exception e) {
-                Log.Error(e, "Failed to load prefs. Initialize it.");
-                MessageBox.ShowError(this, new MessageCustomizableException("Failed to load prefs. Initialize it.", "<translate:errors.failed.loadprefs>", e));
-                Preferences.Reset();
-                dataContext = new PreferencesViewModel();
-            }
-            var dialog = new PreferencesDialog() {
-                DataContext = dataContext
-            };
-            dialog.ShowDialog(this);
-            if (dialog.Position.Y < 0) {
-                dialog.Position = dialog.Position.WithY(0);
-            }
-        }
-
-        void OnMenuClearCache(object sender, RoutedEventArgs args) {
-            Task.Run(() => {
-                DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, "Clearing cache..."));
-                PathManager.Inst.ClearCache();
-                DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, "Cache cleared."));
-            });
-        }
-
-        void OnMenuDebugWindow(object sender, RoutedEventArgs args) {
-            var desktop = Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime;
-            if (desktop == null) {
-                return;
-            }
-            var window = desktop.Windows.FirstOrDefault(w => w is DebugWindow);
-            if (window == null) {
-                window = new DebugWindow();
-            }
-            window.Show();
-        }
-
-        void OnMenuPhoneticAssistant(object sender, RoutedEventArgs args) {
-            var desktop = Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime;
-            if (desktop == null) {
-                return;
-            }
-            var window = desktop.Windows.FirstOrDefault(w => w is PhoneticAssistant);
-            if (window == null) {
-                window = new PhoneticAssistant();
-            }
-            window.Show();
-        }
-
-        void OnMenuCheckUpdate(object sender, RoutedEventArgs args) {
-            var dialog = new UpdaterDialog();
-            dialog.ViewModel.CloseApplication =
-                () => (Application.Current?.ApplicationLifetime as IControlledApplicationLifetime)?.Shutdown();
-            dialog.ShowDialog(this);
-        }
-
-        void OnMenuLogsLocation(object sender, RoutedEventArgs args) {
-            try {
-                OS.OpenFolder(PathManager.Inst.LogsPath);
-            } catch (Exception e) {
-                DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
-            }
-        }
-
-        void OnMenuReportIssue(object sender, RoutedEventArgs args) {
-            try {
-                OS.OpenWeb("https://github.com/stakira/OpenUtau/issues");
-            } catch (Exception e) {
-                DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
-            }
-        }
-
-        void OnMenuWiki(object sender, RoutedEventArgs args) {
-            try {
-                OS.OpenWeb("https://github.com/stakira/OpenUtau/wiki/Getting-Started");
-            } catch (Exception e) {
-                DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
-            }
-        }
-
-        void OnMenuLayoutVSplit11(object sender, RoutedEventArgs args) => LayoutSplit(null, 1.0 / 2);
-        void OnMenuLayoutVSplit12(object sender, RoutedEventArgs args) => LayoutSplit(null, 1.0 / 3);
-        void OnMenuLayoutVSplit13(object sender, RoutedEventArgs args) => LayoutSplit(null, 1.0 / 4);
-        void OnMenuLayoutHSplit11(object sender, RoutedEventArgs args) => LayoutSplit(1.0 / 2, null);
-        void OnMenuLayoutHSplit12(object sender, RoutedEventArgs args) => LayoutSplit(1.0 / 3, null);
-        void OnMenuLayoutHSplit13(object sender, RoutedEventArgs args) => LayoutSplit(1.0 / 4, null);
-
-        private void LayoutSplit(double? x, double? y) {
-            if (Screens.Primary == null) {
-                return;
-            }
-            var wa = Screens.Primary.WorkingArea;
-            WindowState = WindowState.Normal;
-            double titleBarHeight = 20;
-            if (FrameSize != null) {
-                double borderThickness = (FrameSize!.Value.Width - ClientSize.Width) / 2;
-                titleBarHeight = FrameSize!.Value.Height - ClientSize.Height - borderThickness;
-            }
-            Position = new PixelPoint(0, 0);
-            Width = x != null ? wa.Size.Width * x.Value : wa.Size.Width;
-            Height = (y != null ? wa.Size.Height * y.Value : wa.Size.Height) - titleBarHeight;
-            if (pianoRollWindow != null) {
-                pianoRollWindow.Position = new PixelPoint(x != null ? (int)Width : 0, y != null ? (int)(Height + (OS.IsMacOS() ? 25 : titleBarHeight)) : 0);
-                pianoRollWindow.Width = x != null ? wa.Size.Width - Width : wa.Size.Width;
-                pianoRollWindow.Height = (y != null ? wa.Size.Height - (Height + titleBarHeight) : wa.Size.Height) - titleBarHeight;
-            }
-        }
-
-        void OnKeyDown(object sender, KeyEventArgs args) {
-            var tracksVm = viewModel.TracksViewModel;
-            if (args.KeyModifiers == KeyModifiers.None) {
-                args.Handled = true;
-                switch (args.Key) {
-                    case Key.Delete: viewModel.TracksViewModel.DeleteSelectedParts(); break;
-                    case Key.Space: PlayOrPause(); break;
-                    case Key.Home: viewModel.PlaybackViewModel.MovePlayPos(0); break;
-                    case Key.End:
-                        if (viewModel.TracksViewModel.Parts.Count > 0) {
-                            int endTick = viewModel.TracksViewModel.Parts.Max(part => part.End);
-                            viewModel.PlaybackViewModel.MovePlayPos(endTick);
-                        }
-                        break;
-                    default:
-                        args.Handled = false;
-                        break;
-                }
-            } else if (args.KeyModifiers == KeyModifiers.Alt) {
-                args.Handled = true;
-                switch (args.Key) {
-                    case Key.F4:
-                        (Application.Current?.ApplicationLifetime as IControlledApplicationLifetime)?.Shutdown();
-                        break;
-                    default:
-                        args.Handled = false;
-                        break;
-                }
-            } else if (args.KeyModifiers == cmdKey) {
-                args.Handled = true;
-                switch (args.Key) {
-                    case Key.A: viewModel.TracksViewModel.SelectAllParts(); break;
-                    case Key.N: NewProject(); break;
-                    case Key.O: Open(); break;
-                    case Key.S: _ = Save(); break;
-                    case Key.Z: viewModel.Undo(); break;
-                    case Key.Y: viewModel.Redo(); break;
-                    case Key.C: tracksVm.CopyParts(); break;
-                    case Key.X: tracksVm.CutParts(); break;
-                    case Key.V: tracksVm.PasteParts(); break;
-                    default:
-                        args.Handled = false;
-                        break;
-                }
-            } else if (args.KeyModifiers == KeyModifiers.Shift) {
-                args.Handled = true;
-                switch (args.Key) {
-                    // solo
-                    case Key.S:
-                        if (viewModel.TracksViewModel.SelectedParts.Count > 0) {
-                            var part = viewModel.TracksViewModel.SelectedParts.First();
-                            var track = DocManager.Inst.Project.tracks[part.trackNo];
-                            MessageBus.Current.SendMessage(new TracksSoloEvent(part.trackNo, !track.Solo, false));
-                        }
-                        break;
-                    // mute
-                    case Key.M:
-                        if (viewModel.TracksViewModel.SelectedParts.Count > 0) {
-                            var part = viewModel.TracksViewModel.SelectedParts.First();
-                            MessageBus.Current.SendMessage(new TracksMuteEvent(part.trackNo, false));
-                        }
-                        break;
-                    default:
-                        args.Handled = false;
-                        break;
-                }
-            } else if (args.KeyModifiers == (cmdKey | KeyModifiers.Shift)) {
-                args.Handled = true;
-                switch (args.Key) {
-                    case Key.Z: viewModel.Redo(); break;
-                    case Key.S: _ = SaveAs(); break;
-                    default:
-                        args.Handled = false;
-                        break;
-                }
-            }
-        }
-
-        void OnPointerPressed(object? sender, PointerPressedEventArgs args) {
-            if (!args.Handled && args.ClickCount == 1) {
-                FocusManager?.ClearFocus();
-            }
-        }
-
-        async void OnDrop(object? sender, DragEventArgs args) {
-            var storageItem = args.Data?.GetFiles()?.FirstOrDefault();
-            if (storageItem == null) {
-                return;
-            }
-            string file = storageItem.Path.LocalPath;
-            var ext = Path.GetExtension(file);
-            if (ext == ".ustx" || ext == ".ust" || ext == ".vsqx" || ext == ".ufdata") {
-                if (!DocManager.Inst.ChangesSaved && !await AskIfSaveAndContinue()) {
-                    return;
-                }
-                try {
-                    viewModel.OpenProject(new string[] { file });
-                } catch (Exception e) {
-                    Log.Error(e, $"Failed to open file {file}");
-                    _ = await MessageBox.ShowError(this, new MessageCustomizableException($"Failed to open file {file}", $"<translate:errors.failed.openfile>: {file}", e));
-                }
-            } else if (ext == ".mid" || ext == ".midi") {
-                try {
-                    viewModel.ImportMidi(file);
-                } catch (Exception e) {
-                    Log.Error(e, "Failed to import midi");
-                    _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import midi", "<translate:errors.failed.importmidi>", e));
-                }
-            } else if (ext == ".zip" || ext == ".rar" || ext == ".uar") {
-                try {
-                    var setup = new SingerSetupDialog() {
-                        DataContext = new SingerSetupViewModel() {
-                            ArchiveFilePath = file,
-                        },
-                    };
-                    _ = setup.ShowDialog(this);
-                    if (setup.Position.Y < 0) {
-                        setup.Position = setup.Position.WithY(0);
-                    }
-                } catch (Exception e) {
-                    Log.Error(e, $"Failed to install singer {file}");
-                    MessageCustomizableException mce;
-                    if (e is MessageCustomizableException) {
-                        mce = (MessageCustomizableException)e;
-                    } else {
-                        mce = new MessageCustomizableException($"Failed to install singer {file}", $"<translate:errors.failed.installsinger>: {file}", e);
-                    }
-                    _ = await MessageBox.ShowError(this, mce);
-                }
-            } else if (ext == Core.Vogen.VogenSingerInstaller.FileExt) {
-                Core.Vogen.VogenSingerInstaller.Install(file);
-            } else if (ext == ".dll") {
-                var result = await MessageBox.Show(
-                    this,
-                    ThemeManager.GetString("dialogs.installdll.message") + file,
-                    ThemeManager.GetString("dialogs.installdll.caption"),
-                    MessageBox.MessageBoxButtons.OkCancel);
-                if (result == MessageBox.MessageBoxResult.Ok) {
-                    Core.Api.PhonemizerInstaller.Install(file);
-                }
-            } else if (ext == ".exe") {
-                var setup = new ExeSetupDialog() {
-                    DataContext = new ExeSetupViewModel(file)
-                };
-                _ = setup.ShowDialog(this);
-                if (setup.Position.Y < 0) {
-                    setup.Position = setup.Position.WithY(0);
-                }
-            } else if (ext == DependencyInstaller.FileExt) {
-                var result = await MessageBox.Show(
-                    this,
-                    ThemeManager.GetString("dialogs.installdependency.message") + file,
-                    ThemeManager.GetString("dialogs.installdependency.caption"),
-                    MessageBox.MessageBoxButtons.OkCancel);
-                if (result == MessageBox.MessageBoxResult.Ok) {
-                    DependencyInstaller.Install(file);
-                }
-            } else if (ext == ".mp3" || ext == ".wav" || ext == ".ogg" || ext == ".flac") {
-                try {
-                    viewModel.ImportAudio(file);
-                } catch (Exception e) {
-                    Log.Error(e, "Failed to import audio");
-                    _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import audio", "<translate:errors.failed.importaudio>", e));
-                }
-            } else {
-                _ = await MessageBox.Show(
-                    this,
-                    ThemeManager.GetString("dialogs.unsupportedfile.message") + ext,
-                    ThemeManager.GetString("dialogs.unsupportedfile.caption"),
-                    MessageBox.MessageBoxButtons.Ok);
-            }
-        }
-
-        void OnPlayOrPause(object sender, RoutedEventArgs args) {
-            PlayOrPause();
-        }
-
-        void PlayOrPause() {
-            viewModel.PlaybackViewModel.PlayOrPause();
-        }
-
-        public void HScrollPointerWheelChanged(object sender, PointerWheelEventArgs args) {
-            var scrollbar = (ScrollBar)sender;
-            scrollbar.Value = Math.Max(scrollbar.Minimum, Math.Min(scrollbar.Maximum, scrollbar.Value - scrollbar.SmallChange * args.Delta.Y));
-        }
-
-        public void VScrollPointerWheelChanged(object sender, PointerWheelEventArgs args) {
-            var scrollbar = (ScrollBar)sender;
-            scrollbar.Value = Math.Max(scrollbar.Minimum, Math.Min(scrollbar.Maximum, scrollbar.Value - scrollbar.SmallChange * args.Delta.Y));
-        }
-
-        public void TimelinePointerWheelChanged(object sender, PointerWheelEventArgs args) {
-            var control = (Control)sender;
-            var position = args.GetCurrentPoint((Visual)sender).Position;
-            var size = control.Bounds.Size;
-            position = position.WithX(position.X / size.Width).WithY(position.Y / size.Height);
-            viewModel.TracksViewModel.OnXZoomed(position, 0.1 * args.Delta.Y);
-        }
-
-        public void ViewScalerPointerWheelChanged(object sender, PointerWheelEventArgs args) {
-            viewModel.TracksViewModel.OnYZoomed(new Point(0, 0.5), 0.1 * args.Delta.Y);
-        }
-
-        public void TimelinePointerPressed(object sender, PointerPressedEventArgs args) {
-            var control = (Control)sender;
-            var point = args.GetCurrentPoint(control);
-            if (point.Properties.IsLeftButtonPressed) {
-                args.Pointer.Capture(control);
-                viewModel.TracksViewModel.PointToLineTick(point.Position, out int left, out int right);
-                viewModel.PlaybackViewModel.MovePlayPos(left);
-            } else if (point.Properties.IsRightButtonPressed) {
-                int tick = viewModel.TracksViewModel.PointToTick(point.Position);
-                viewModel.RefreshTimelineContextMenu(tick);
-            }
-        }
-
-        public void TimelinePointerMoved(object sender, PointerEventArgs args) {
-            var control = (Control)sender;
-            var point = args.GetCurrentPoint(control);
-            if (point.Properties.IsLeftButtonPressed) {
-                viewModel.TracksViewModel.PointToLineTick(point.Position, out int left, out int right);
-                viewModel.PlaybackViewModel.MovePlayPos(left);
-            }
-        }
-
-        public void TimelinePointerReleased(object sender, PointerReleasedEventArgs args) {
-            args.Pointer.Capture(null);
-        }
-
-        public void PartsCanvasPointerPressed(object sender, PointerPressedEventArgs args) {
-            var control = (Control)sender;
-            var point = args.GetCurrentPoint(control);
-            var hitControl = control.InputHitTest(point.Position);
-            if (partEditState != null) {
-                return;
-            }
-            if (point.Properties.IsLeftButtonPressed) {
-                if (args.KeyModifiers == cmdKey) {
-                    partEditState = new PartSelectionEditState(control, viewModel, SelectionBox);
-                    Cursor = ViewConstants.cursorCross;
-                } else if (hitControl == control) {
-                    viewModel.TracksViewModel.DeselectParts();
-                    var part = viewModel.TracksViewModel.MaybeAddPart(point.Position);
-                    if (part != null) {
-                        // Start moving right away
-                        partEditState = new PartMoveEditState(control, viewModel, part);
-                        Cursor = ViewConstants.cursorSizeAll;
-                    }
-                } else if (hitControl is PartControl partControl) {
-                    bool isVoice = partControl.part is UVoicePart;
-                    bool isWave = partControl.part is UWavePart;
-                    bool trim = point.Position.X > partControl.Bounds.Right - ViewConstants.ResizeMargin;
-                    bool skip = point.Position.X < partControl.Bounds.Left + ViewConstants.ResizeMargin;
-                    if (isVoice && trim) {
-                        partEditState = new PartResizeEditState(control, viewModel, partControl.part);
-                        Cursor = ViewConstants.cursorSizeWE;
-                    } else if (isWave && skip) {
-                        // TODO
-                    } else if (isWave && trim) {
-                        // TODO
-                    } else {
-                        partEditState = new PartMoveEditState(control, viewModel, partControl.part);
-                        Cursor = ViewConstants.cursorSizeAll;
-                    }
-                }
-            } else if (point.Properties.IsRightButtonPressed) {
-                if (hitControl is PartControl partControl) {
-                    if (!viewModel.TracksViewModel.SelectedParts.Contains(partControl.part)) {
-                        viewModel.TracksViewModel.DeselectParts();
-                        viewModel.TracksViewModel.SelectPart(partControl.part);
-                    }
-                    if (PartsContextMenu != null && viewModel.TracksViewModel.SelectedParts.Count > 0) {
-                        PartsContextMenu.DataContext = new PartsContextMenuArgs {
-                            Part = partControl.part,
-                            PartDeleteCommand = viewModel.PartDeleteCommand,
-                            PartGotoFileCommand = PartGotoFileCommand,
-                            PartReplaceAudioCommand = PartReplaceAudioCommand,
-                            PartRenameCommand = PartRenameCommand,
-                            PartTranscribeCommand = PartTranscribeCommand,
-                        };
-                        shouldOpenPartsContextMenu = true;
-                    }
-                } else {
-                    viewModel.TracksViewModel.DeselectParts();
-                }
-            } else if (point.Properties.IsMiddleButtonPressed) {
-                partEditState = new PartPanningState(control, viewModel);
-                Cursor = ViewConstants.cursorHand;
-            }
-            if (partEditState != null) {
-                partEditState.Begin(point.Pointer, point.Position);
-                partEditState.Update(point.Pointer, point.Position);
-            }
-        }
-
-        public void PartsCanvasPointerMoved(object sender, PointerEventArgs args) {
-            var control = (Control)sender;
-            var point = args.GetCurrentPoint(control);
-            if (partEditState != null) {
-                partEditState.Update(point.Pointer, point.Position);
-                return;
-            }
-            var hitControl = control.InputHitTest(point.Position);
-            if (hitControl is PartControl partControl) {
-                bool isVoice = partControl.part is UVoicePart;
-                bool isWave = partControl.part is UWavePart;
-                bool trim = point.Position.X > partControl.Bounds.Right - ViewConstants.ResizeMargin;
-                bool skip = point.Position.X < partControl.Bounds.Left + ViewConstants.ResizeMargin;
-                if (isVoice && trim) {
-                    Cursor = ViewConstants.cursorSizeWE;
-                } else if (isWave && (skip || trim)) {
-                    Cursor = null; // TODO
-                } else {
-                    Cursor = null;
-                }
-            } else {
-                Cursor = null;
-            }
-        }
-
-        public void PartsCanvasPointerReleased(object sender, PointerReleasedEventArgs args) {
-            if (partEditState != null) {
-                if (partEditState.MouseButton != args.InitialPressMouseButton) {
-                    return;
-                }
-                var control = (Control)sender;
-                var point = args.GetCurrentPoint(control);
-                partEditState.Update(point.Pointer, point.Position);
-                partEditState.End(point.Pointer, point.Position);
-                partEditState = null;
-                Cursor = null;
-            }
-            if (openPianoRollWindow) {
-                pianoRollWindow?.Show();
-                pianoRollWindow?.Activate();
-                openPianoRollWindow = false;
-            }
-        }
-
-        public void PartsCanvasDoubleTapped(object sender, TappedEventArgs args) {
-            if (!(sender is Canvas canvas)) {
-                return;
-            }
-            var control = canvas.InputHitTest(args.GetPosition(canvas));
-            if (control is PartControl partControl && partControl.part is UVoicePart) {
-                if (pianoRollWindow == null) {
-                    MessageBox.ShowLoading(this);
-                    pianoRollWindow = new PianoRollWindow() {
-                        MainWindow = this,
-                    };
-                    pianoRollWindow.ViewModel.PlaybackViewModel = viewModel.PlaybackViewModel;
-                    MessageBox.CloseLoading();
-                }
-                // Workaround for new window losing focus.
-                openPianoRollWindow = true;
-                int tick = viewModel.TracksViewModel.PointToTick(args.GetPosition(canvas));
-                DocManager.Inst.ExecuteCmd(new LoadPartNotification(partControl.part, DocManager.Inst.Project, tick));
-                pianoRollWindow.AttachExpressions();
-            }
-        }
-
-        public void PartsCanvasPointerWheelChanged(object sender, PointerWheelEventArgs args) {
-            var delta = args.Delta;
-            if (args.KeyModifiers == KeyModifiers.None || args.KeyModifiers == KeyModifiers.Shift) {
-                if (args.KeyModifiers == KeyModifiers.Shift) {
-                    delta = new Vector(delta.Y, delta.X);
-                }
-                if (delta.X != 0) {
-                    HScrollBar.Value = Math.Max(HScrollBar.Minimum,
-                        Math.Min(HScrollBar.Maximum, HScrollBar.Value - HScrollBar.SmallChange * delta.X));
-                }
-                if (delta.Y != 0) {
-                    VScrollBar.Value = Math.Max(VScrollBar.Minimum,
-                        Math.Min(VScrollBar.Maximum, VScrollBar.Value - VScrollBar.SmallChange * delta.Y));
-                }
-            } else if (args.KeyModifiers == KeyModifiers.Alt) {
-                ViewScalerPointerWheelChanged(VScaler, args);
-            } else if (args.KeyModifiers == cmdKey) {
-                TimelinePointerWheelChanged(TimelineCanvas, args);
-            }
-            if (partEditState != null) {
-                var point = args.GetCurrentPoint(partEditState.control);
-                partEditState.Update(point.Pointer, point.Position);
-            }
-        }
-
-        public void PartsContextMenuOpening(object sender, CancelEventArgs args) {
-            if (shouldOpenPartsContextMenu) {
-                shouldOpenPartsContextMenu = false;
-            } else {
-                args.Cancel = true;
-            }
-        }
-
-        public void PartsContextMenuClosing(object sender, CancelEventArgs args) {
-            if (PartsContextMenu != null) {
-                PartsContextMenu.DataContext = null;
-            }
-        }
-
-        void RenamePart(UPart part) {
-            var dialog = new TypeInDialog();
-            dialog.Title = ThemeManager.GetString("context.part.rename");
-            dialog.SetText(part.name);
-            dialog.onFinish = name => {
-                if (!string.IsNullOrWhiteSpace(name) && name != part.name) {
-                    if (!string.IsNullOrWhiteSpace(name) && name != part.name) {
-                        DocManager.Inst.StartUndoGroup();
-                        DocManager.Inst.ExecuteCmd(new RenamePartCommand(DocManager.Inst.Project, part, name));
-                        DocManager.Inst.EndUndoGroup();
-                    }
-                }
-            };
-            dialog.ShowDialog(this);
-        }
-
-        void GotoFile(UPart part) {
-            //View the location of the audio file in explorer if the part is a wave part
-            if (part is UWavePart wavePart) {
-                try {
-                    OS.GotoFile(wavePart.FilePath);
-                } catch (Exception e) {
-                    DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
-                }
-            }
-        }
-
-        async void ReplaceAudio(UPart part) {
-            var file = await FilePicker.OpenFileAboutProject(
-                this, "context.part.replaceaudio", FilePicker.AudioFiles);
-            if (file == null) {
-                return;
-            }
-            UWavePart newPart = new UWavePart() {
-                FilePath = file,
-                trackNo = part.trackNo,
-                position = part.position
-            };
-            newPart.Load(DocManager.Inst.Project);
-            DocManager.Inst.StartUndoGroup();
-            DocManager.Inst.ExecuteCmd(new ReplacePartCommand(DocManager.Inst.Project, part, newPart));
-            DocManager.Inst.EndUndoGroup();
-        }
-
-        void Transcribe(UPart part) {
-            //Convert audio to notes
-            if (part is UWavePart wavePart) {
-                try {
-                    string text = ThemeManager.GetString("context.part.transcribing");
-                    var msgbox = MessageBox.ShowModal(this, $"{text} {part.name}", text);
-                    //Duration of the wave file in seconds
-                    int wavDurS = (int)(wavePart.fileDurationMs / 1000.0);
-                    var scheduler = TaskScheduler.FromCurrentSynchronizationContext();
-                    var transcribeTask = Task.Run(() => {
-                        using (var some = new Some()) {
-                            return some.Transcribe(DocManager.Inst.Project, wavePart, wavPosS => {
-                                //msgbox?.SetText($"{text} {part.name}\n{wavPosS}/{wavDurS}");
-                                msgbox.SetText(string.Format("{0} {1}\n{2}s / {3}s", text, part.name, wavPosS, wavDurS));
-                            });
-                        }
-                    });
-                    transcribeTask.ContinueWith(task => {
-                        msgbox?.Close();
-                        if (task.IsFaulted) {
-                            Log.Error(task.Exception, $"Failed to transcribe part {part.name}");
-                            MessageBox.ShowError(this, task.Exception);
-                            return;
-                        }
-                        var voicePart = task.Result;
-                        //Add voicePart into project
-                        if (voicePart != null) {
-                            var project = DocManager.Inst.Project;
-                            var track = new UTrack(project);
-                            track.TrackNo = project.tracks.Count;
-                            voicePart.trackNo = track.TrackNo;
-                            DocManager.Inst.StartUndoGroup();
-                            DocManager.Inst.ExecuteCmd(new AddTrackCommand(project, track));
-                            DocManager.Inst.ExecuteCmd(new AddPartCommand(project, voicePart));
-                            DocManager.Inst.EndUndoGroup();
-                        }
-                    }, scheduler);
-                } catch (Exception e) {
-                    Log.Error(e, $"Failed to transcribe part {part.name}");
-                    MessageBox.ShowError(this, e);
-                }
-            }
-        }
-
-        async void ValidateTracksVoiceColor() {
-            DocManager.Inst.StartUndoGroup();
-            foreach (var track in DocManager.Inst.Project.tracks) {
-                if (track.ValidateVoiceColor(out var oldColors, out var newColors)) {
-                    await VoiceColorRemappingAsync(track, oldColors, newColors);
-                }
-            }
-            DocManager.Inst.EndUndoGroup();
-        }
-        async Task VoiceColorRemappingAsync(UTrack track, string[] oldColors, string[] newColors) {
-            var parts = DocManager.Inst.Project.parts
-                .Where(part => part.trackNo == track.TrackNo && part is UVoicePart)
-                .Cast<UVoicePart>()
-                .Where(vpart => vpart.notes.Count > 0);
-            if (parts.Any()) {
-                var dialog = new VoiceColorMappingDialog();
-                VoiceColorMappingViewModel vm = new VoiceColorMappingViewModel(oldColors, newColors, track.TrackName);
-                dialog.DataContext = vm;
-                await dialog.ShowDialog(this);
-
-                if (dialog.Apply) {
-                    SetVoiceColorRemapping(track, parts, vm);
-                }
-            }
-        }
-        void VoiceColorRemapping(UTrack track, string[] oldColors, string[] newColors) {
-            var parts = DocManager.Inst.Project.parts
-                .Where(part => part.trackNo == track.TrackNo && part is UVoicePart)
-                .Cast<UVoicePart>()
-                .Where(vpart => vpart.notes.Count > 0);
-            if (parts.Any()) {
-                var dialog = new VoiceColorMappingDialog();
-                VoiceColorMappingViewModel vm = new VoiceColorMappingViewModel(oldColors, newColors, track.TrackName);
-                dialog.DataContext = vm;
-                dialog.onFinish = () => {
-                    DocManager.Inst.StartUndoGroup();
-                    SetVoiceColorRemapping(track, parts, vm);
-                    DocManager.Inst.EndUndoGroup();
-                };
-                dialog.ShowDialog(this);
-            }
-        }
-        void SetVoiceColorRemapping(UTrack track, IEnumerable<UVoicePart> parts, VoiceColorMappingViewModel vm) {
-            foreach (var part in parts) {
-                foreach (var phoneme in part.phonemes) {
-                    var tuple = phoneme.GetExpression(DocManager.Inst.Project, track, Ustx.CLR);
-                    if (vm.ColorMappings.Any(m => m.OldIndex == tuple.Item1)) {
-                        var mapping = vm.ColorMappings.First(m => m.OldIndex == tuple.Item1);
-                        if (mapping.OldIndex != mapping.SelectedIndex) {
-                            if (mapping.SelectedIndex == 0) {
-                                DocManager.Inst.ExecuteCmd(new SetPhonemeExpressionCommand(DocManager.Inst.Project, track, part, phoneme, Ustx.CLR, null));
-                            } else {
-                                DocManager.Inst.ExecuteCmd(new SetPhonemeExpressionCommand(DocManager.Inst.Project, track, part, phoneme, Ustx.CLR, mapping.SelectedIndex));
-                            }
-                        }
-                    } else {
-                        DocManager.Inst.ExecuteCmd(new SetPhonemeExpressionCommand(DocManager.Inst.Project, track, part, phoneme, Ustx.CLR, null));
-                    }
-                }
-            }
-        }
-
-        public async void WindowClosing(object? sender, WindowClosingEventArgs e) {
-            if (forceClose || DocManager.Inst.ChangesSaved) {
-                if (Preferences.Default.ClearCacheOnQuit) {
-                    Log.Information("Clearing cache...");
-                    PathManager.Inst.ClearCache();
-                    Log.Information("Cache cleared.");
-                }
-                return;
-            }
-            e.Cancel = true;
-            if (!await AskIfSaveAndContinue()) {
-                return;
-            }
-            pianoRollWindow?.Close();
-            forceClose = true;
-            Close();
-        }
-
-        private async Task<bool> AskIfSaveAndContinue() {
-            var result = await MessageBox.Show(
-                this,
-                ThemeManager.GetString("dialogs.exitsave.message"),
-                ThemeManager.GetString("dialogs.exitsave.caption"),
-                MessageBox.MessageBoxButtons.YesNoCancel);
-            switch (result) {
-                case MessageBox.MessageBoxResult.Yes:
-                    await Save();
-                    goto case MessageBox.MessageBoxResult.No;
-                case MessageBox.MessageBoxResult.No:
-                    return true; // Continue.
-                default:
-                    return false; // Cancel.
-            }
-        }
-
-        public void OnNext(UCommand cmd, bool isUndo) {
-            if (cmd is ErrorMessageNotification notif) {
-                switch (notif.e) {
-                    case Core.Render.NoResamplerException:
-                    case Core.Render.NoWavtoolException:
-                        MessageBox.Show(
-                           this,
-                           ThemeManager.GetString("dialogs.noresampler.message"),
-                           ThemeManager.GetString("dialogs.noresampler.caption"),
-                           MessageBox.MessageBoxButtons.Ok);
-                        break;
-                    default:
-                        MessageBox.ShowError(this, notif.e, notif.message, true);
-                        break;
-                }
-            } else if (cmd is LoadingNotification loadingNotif && loadingNotif.window == typeof(MainWindow)) {
-                if (loadingNotif.startLoading) {
-                    MessageBox.ShowLoading(this);
-                } else {
-                    MessageBox.CloseLoading();
-                }
-            } else if (cmd is VoiceColorRemappingNotification voicecolorNotif) {
-                if (voicecolorNotif.TrackNo < 0 || DocManager.Inst.Project.tracks.Count <= voicecolorNotif.TrackNo) {
-                    ValidateTracksVoiceColor();
-                } else {
-                    UTrack track = DocManager.Inst.Project.tracks[voicecolorNotif.TrackNo];
-                    if (!voicecolorNotif.Validate) {
-                        VoiceColorRemapping(track, track.VoiceColorNames, track.VoiceColorExp.options);
-                    } else if (track.ValidateVoiceColor(out var oldColors, out var newColors)) {
-                        VoiceColorRemapping(track, oldColors, newColors);
-                    }
-                }
-            }
-        }
-    }
-}
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.IO;
+using System.Linq;
+using System.Reactive;
+using System.Threading;
+using System.Threading.Tasks;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Controls.Primitives;
+using Avalonia.Input;
+using Avalonia.Interactivity;
+using Avalonia.Threading;
+using OpenUtau.App.Controls;
+using OpenUtau.App.ViewModels;
+using OpenUtau.Classic;
+using OpenUtau.Core;
+using OpenUtau.Core.Analysis.Some;
+using OpenUtau.Core.DiffSinger;
+using OpenUtau.Core.Format;
+using OpenUtau.Core.Ustx;
+using OpenUtau.Core.Util;
+using ReactiveUI;
+using Serilog;
+using Point = Avalonia.Point;
+
+namespace OpenUtau.App.Views {
+    public partial class MainWindow : Window, ICmdSubscriber {
+        private readonly KeyModifiers cmdKey =
+            OS.IsMacOS() ? KeyModifiers.Meta : KeyModifiers.Control;
+        private readonly MainWindowViewModel viewModel;
+
+        private PianoRollWindow? pianoRollWindow;
+        private bool openPianoRollWindow;
+
+        private PartEditState? partEditState;
+        private readonly DispatcherTimer timer;
+        private readonly DispatcherTimer autosaveTimer;
+        private bool forceClose;
+
+        private bool shouldOpenPartsContextMenu;
+
+        private readonly ReactiveCommand<UPart, Unit> PartRenameCommand;
+        private readonly ReactiveCommand<UPart, Unit> PartGotoFileCommand;
+        private readonly ReactiveCommand<UPart, Unit> PartReplaceAudioCommand;
+        private readonly ReactiveCommand<UPart, Unit> PartTranscribeCommand;
+
+        public MainWindow() {
+            Log.Information("Creating main window.");
+            InitializeComponent();
+            Log.Information("Initialized main window component.");
+            DataContext = viewModel = new MainWindowViewModel();
+
+            viewModel.InitProject();
+            viewModel.AddTempoChangeCmd = ReactiveCommand.Create<int>(tick => AddTempoChange(tick));
+            viewModel.DelTempoChangeCmd = ReactiveCommand.Create<int>(tick => DelTempoChange(tick));
+            viewModel.AddTimeSigChangeCmd = ReactiveCommand.Create<int>(bar => AddTimeSigChange(bar));
+            viewModel.DelTimeSigChangeCmd = ReactiveCommand.Create<int>(bar => DelTimeSigChange(bar));
+
+            timer = new DispatcherTimer(
+                TimeSpan.FromMilliseconds(15),
+                DispatcherPriority.Normal,
+                (sender, args) => PlaybackManager.Inst.UpdatePlayPos());
+            timer.Start();
+
+            autosaveTimer = new DispatcherTimer(
+                TimeSpan.FromSeconds(30),
+                DispatcherPriority.Normal,
+                (sender, args) => DocManager.Inst.AutoSave());
+            autosaveTimer.Start();
+
+            PartRenameCommand = ReactiveCommand.Create<UPart>(part => RenamePart(part));
+            PartGotoFileCommand = ReactiveCommand.Create<UPart>(part => GotoFile(part));
+            PartReplaceAudioCommand = ReactiveCommand.Create<UPart>(part => ReplaceAudio(part));
+            PartTranscribeCommand = ReactiveCommand.Create<UPart>(part => Transcribe(part));
+
+            AddHandler(DragDrop.DropEvent, OnDrop);
+
+            DocManager.Inst.AddSubscriber(this);
+
+            if (Preferences.Default.CheckForUpdateOnStart) {
+                Log.Information("Main window checking Update.");
+                UpdaterDialog.CheckForUpdate(
+                    dialog => dialog.Show(this),
+                    () => (Application.Current?.ApplicationLifetime as IControlledApplicationLifetime)?.Shutdown(),
+                    TaskScheduler.FromCurrentSynchronizationContext());
+            }
+            Log.Information("Created main window.");
+        }
+
+        void OnEditTimeSignature(object sender, PointerPressedEventArgs args) {
+            var project = DocManager.Inst.Project;
+            var timeSig = project.timeSignatures[0];
+            var dialog = new TimeSignatureDialog(timeSig.beatPerBar, timeSig.beatUnit);
+            dialog.OnOk = (beatPerBar, beatUnit) => {
+                viewModel.PlaybackViewModel.SetTimeSignature(beatPerBar, beatUnit);
+            };
+            dialog.ShowDialog(this);
+            // Workaround for https://github.com/AvaloniaUI/Avalonia/issues/3986
+            args.Pointer.Capture(null);
+        }
+
+        void OnEditBpm(object sender, PointerPressedEventArgs args) {
+            var project = DocManager.Inst.Project;
+            var dialog = new TypeInDialog();
+            dialog.Title = "BPM";
+            dialog.SetText(project.tempos[0].bpm.ToString());
+            dialog.onFinish = s => {
+                if (double.TryParse(s, out double bpm)) {
+                    viewModel.PlaybackViewModel.SetBpm(bpm);
+                }
+            };
+            dialog.ShowDialog(this);
+            // Workaround for https://github.com/AvaloniaUI/Avalonia/issues/3986
+            args.Pointer.Capture(null);
+        }
+
+        private void AddTempoChange(int tick) {
+            var project = DocManager.Inst.Project;
+            var dialog = new TypeInDialog {
+                Title = "BPM"
+            };
+            dialog.SetText(project.tempos[0].bpm.ToString());
+            dialog.onFinish = s => {
+                if (double.TryParse(s, out double bpm)) {
+                    DocManager.Inst.StartUndoGroup();
+                    DocManager.Inst.ExecuteCmd(new AddTempoChangeCommand(
+                        project, tick, bpm));
+                    DocManager.Inst.EndUndoGroup();
+                }
+            };
+            dialog.ShowDialog(this);
+        }
+
+        private void DelTempoChange(int tick) {
+            var project = DocManager.Inst.Project;
+            DocManager.Inst.StartUndoGroup();
+            DocManager.Inst.ExecuteCmd(new DelTempoChangeCommand(project, tick));
+            DocManager.Inst.EndUndoGroup();
+        }
+
+
+
+        void OnMenuRemapTimeaxis(object sender, RoutedEventArgs e) {
+            var project = DocManager.Inst.Project;
+            var dialog = new TypeInDialog {
+                Title = ThemeManager.GetString("menu.project.remaptimeaxis")
+            };
+            dialog.Height = 200;
+            dialog.SetPrompt(ThemeManager.GetString("dialogs.remaptimeaxis.message"));
+            dialog.SetText(project.tempos[0].bpm.ToString());
+            dialog.onFinish = s => {
+                try {
+                    if (double.TryParse(s, out double bpm)) {
+                        DocManager.Inst.StartUndoGroup();
+                        var oldTimeAxis = project.timeAxis.Clone();
+                        DocManager.Inst.ExecuteCmd(new BpmCommand(
+                            project, bpm));
+                        foreach (var tempo in project.tempos.Skip(1)) {
+                            DocManager.Inst.ExecuteCmd(new DelTempoChangeCommand(
+                                project, tempo.position));
+                        }
+                        viewModel.RemapTimeAxis(oldTimeAxis, project.timeAxis.Clone());
+                        DocManager.Inst.EndUndoGroup();
+                    }
+                } catch (Exception e) {
+                    Log.Error(e, "Failed to open project location");
+                    MessageBox.ShowError(this, new MessageCustomizableException("Failed to open project location", "<translate:errors.failed.openlocation>: project location", e));
+                }
+            };
+            dialog.ShowDialog(this);
+        }
+
+        private void AddTimeSigChange(int bar) {
+            var project = DocManager.Inst.Project;
+            var timeSig = project.timeAxis.TimeSignatureAtBar(bar);
+            var dialog = new TimeSignatureDialog(timeSig.beatPerBar, timeSig.beatUnit);
+            dialog.OnOk = (beatPerBar, beatUnit) => {
+                DocManager.Inst.StartUndoGroup();
+                DocManager.Inst.ExecuteCmd(new AddTimeSigCommand(
+                    project, bar, dialog.BeatPerBar, dialog.BeatUnit));
+                DocManager.Inst.EndUndoGroup();
+            };
+            dialog.ShowDialog(this);
+        }
+
+        private void DelTimeSigChange(int bar) {
+            var project = DocManager.Inst.Project;
+            DocManager.Inst.StartUndoGroup();
+            DocManager.Inst.ExecuteCmd(new DelTimeSigCommand(project, bar));
+            DocManager.Inst.EndUndoGroup();
+        }
+
+        void OnMenuNew(object sender, RoutedEventArgs args) => NewProject();
+        async void NewProject() {
+            if (!DocManager.Inst.ChangesSaved && !await AskIfSaveAndContinue()) {
+                return;
+            }
+            viewModel.NewProject();
+        }
+
+        void OnMenuOpen(object sender, RoutedEventArgs args) => Open();
+        async void Open() {
+            if (!DocManager.Inst.ChangesSaved && !await AskIfSaveAndContinue()) {
+                return;
+            }
+            var files = await FilePicker.OpenFilesAboutProject(
+                this, "menu.file.open",
+                FilePicker.ProjectFiles,
+                FilePicker.USTX,
+                FilePicker.VSQX,
+                FilePicker.UST,
+                FilePicker.MIDI,
+                FilePicker.UFDATA);
+            if (files == null || files.Length == 0) {
+                return;
+            }
+            try {
+                viewModel.OpenProject(files);
+            } catch (Exception e) {
+                Log.Error(e, $"Failed to open files {string.Join("\n", files)}");
+                _ = await MessageBox.ShowError(this, new MessageCustomizableException($"Failed to open files {string.Join("\n", files)}", $"<translate:errors.failed.openfile>:\n{string.Join("\n", files)}", e));
+            }
+        }
+
+        void OnMainMenuOpened(object sender, RoutedEventArgs args) {
+            viewModel.RefreshOpenRecent();
+            viewModel.RefreshTemplates();
+            viewModel.RefreshCacheSize();
+        }
+
+        void OnMainMenuClosed(object sender, RoutedEventArgs args) {
+            Focus(); // Force unfocus menu for key down events.
+        }
+
+        void OnMainMenuPointerLeave(object sender, PointerEventArgs args) {
+            Focus(); // Force unfocus menu for key down events.
+        }
+
+        void OnMenuOpenProjectLocation(object sender, RoutedEventArgs args) {
+            var project = DocManager.Inst.Project;
+            if (string.IsNullOrEmpty(project.FilePath) || !project.Saved) {
+                MessageBox.Show(
+                    this,
+                    ThemeManager.GetString("dialogs.export.savefirst"),
+                    ThemeManager.GetString("errors.caption"),
+                    MessageBox.MessageBoxButtons.Ok);
+            }
+            try {
+                var dir = Path.GetDirectoryName(project.FilePath);
+                if (dir != null) {
+                    OS.OpenFolder(dir);
+                } else {
+                    Log.Error($"Failed to get project location from {dir}.");
+                }
+            } catch (Exception e) {
+                Log.Error(e, "Failed to open project location.");
+                MessageBox.ShowError(this, new MessageCustomizableException("Failed to open project location.", "<translate:errors.failed.openlocation>: project location", e));
+            }
+        }
+
+        async void OnMenuSave(object sender, RoutedEventArgs args) => await Save();
+        public async Task Save() {
+            if (!viewModel.ProjectSaved) {
+                await SaveAs();
+            } else {
+                viewModel.SaveProject();
+                string message = ThemeManager.GetString("progress.saved");
+                message = string.Format(message, DateTime.Now);
+                DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, message));
+            }
+        }
+
+        async void OnMenuSaveAs(object sender, RoutedEventArgs args) => await SaveAs();
+        async Task SaveAs() {
+            var file = await FilePicker.SaveFileAboutProject(
+                this, "menu.file.saveas", FilePicker.USTX);
+            if (!string.IsNullOrEmpty(file)) {
+                viewModel.SaveProject(file);
+            }
+        }
+
+        void OnMenuSaveTemplate(object sender, RoutedEventArgs args) {
+            var project = DocManager.Inst.Project;
+            var dialog = new TypeInDialog();
+            dialog.Title = ThemeManager.GetString("menu.file.savetemplate");
+            dialog.SetText("default");
+            dialog.onFinish = file => {
+                if (string.IsNullOrEmpty(file)) {
+                    return;
+                }
+                file = Path.GetFileNameWithoutExtension(file);
+                file = $"{file}.ustx";
+                file = Path.Combine(PathManager.Inst.TemplatesPath, file);
+                Ustx.Save(file, project.CloneAsTemplate());
+            };
+            dialog.ShowDialog(this);
+        }
+
+        async void OnMenuImportTracks(object sender, RoutedEventArgs args) {
+            var files = await FilePicker.OpenFilesAboutProject(
+                this, "menu.file.importtracks",
+                FilePicker.ProjectFiles,
+                FilePicker.USTX,
+                FilePicker.VSQX,
+                FilePicker.UST,
+                FilePicker.MIDI,
+                FilePicker.UFDATA);
+            if (files == null || files.Length == 0) {
+                return;
+            }
+            try {
+                var loadedProjects = Formats.ReadProjects(files);
+                if (loadedProjects == null || loadedProjects.Length == 0) {
+                    return;
+                }
+                bool importTempo = true;
+                switch (Preferences.Default.ImportTempo) {
+                    case 1:
+                        importTempo = false;
+                        break;
+                    case 2:
+                        if (loadedProjects[0].tempos.Count == 0) {
+                            importTempo = false;
+                            break;
+                        }
+                        var tempoString = String.Join("\n",
+                            loadedProjects[0].tempos
+                                .Select(tempo => $"position: {tempo.position}, tempo: {tempo.bpm}")
+                            );
+                        //ask the user
+                        var result = await MessageBox.Show(
+                            this,
+                            ThemeManager.GetString("dialogs.importtracks.importtempo") + "\n" + tempoString,
+                            ThemeManager.GetString("dialogs.importtracks.caption"),
+                            MessageBox.MessageBoxButtons.YesNo);
+                        if (result == MessageBox.MessageBoxResult.No) {
+                            importTempo = false;
+                        }
+                        break;
+                }
+                viewModel.ImportTracks(loadedProjects, importTempo);
+            } catch (Exception e) {
+                Log.Error(e, $"Failed to import files");
+                _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import files", "<translate:errors.failed.importfiles>", e));
+            }
+            ValidateTracksVoiceColor();
+        }
+
+        async void OnMenuImportAudio(object sender, RoutedEventArgs args) {
+            var file = await FilePicker.OpenFileAboutProject(
+                this, "menu.file.importaudio", FilePicker.AudioFiles);
+            if (file == null) {
+                return;
+            }
+            try {
+                viewModel.ImportAudio(file);
+            } catch (Exception e) {
+                Log.Error(e, "Failed to import audio");
+                _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import audio", "<translate:errors.failed.importaudio>", e));
+            }
+        }
+
+        async void OnMenuImportMidi(object sender, RoutedEventArgs args) {
+            var file = await FilePicker.OpenFileAboutProject(
+                this, "menu.file.importmidi", FilePicker.MIDI);
+            if (file == null) {
+                return;
+            }
+            try {
+                viewModel.ImportMidi(file);
+            } catch (Exception e) {
+                Log.Error(e, "Failed to import midi");
+                _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import midi", "<translate:errors.failed.importmidi>", e));
+            }
+        }
+
+        async void OnMenuExportMixdown(object sender, RoutedEventArgs args) {
+            var project = DocManager.Inst.Project;
+            var file = await FilePicker.SaveFileAboutProject(
+                this, "menu.file.exportmixdown", FilePicker.WAV);
+            if (!string.IsNullOrEmpty(file)) {
+                await PlaybackManager.Inst.RenderMixdown(project, file);
+            }
+        }
+
+        async void OnMenuExportWav(object sender, RoutedEventArgs args) {
+            var project = DocManager.Inst.Project;
+            if (await WarnToSave(project)) {
+                var name = Path.GetFileNameWithoutExtension(project.FilePath);
+                var path = Path.GetDirectoryName(project.FilePath);
+                path = Path.Combine(path!, "Export", $"{name}.wav");
+                await PlaybackManager.Inst.RenderToFiles(project, path);
+            }
+        }
+
+        async void OnMenuExportWavTo(object sender, RoutedEventArgs args) {
+            var project = DocManager.Inst.Project;
+            var file = await FilePicker.SaveFileAboutProject(
+                this, "menu.file.exportwavto", FilePicker.WAV);
+            if (!string.IsNullOrEmpty(file)) {
+                await PlaybackManager.Inst.RenderToFiles(project, file);
+            }
+        }
+
+        async void OnMenuExportDsTo(object sender, RoutedEventArgs e) {
+            var project = DocManager.Inst.Project;
+            var file = await FilePicker.SaveFileAboutProject(
+                this, "menu.file.exportds", FilePicker.DS);
+            if (!string.IsNullOrEmpty(file)) {
+                for (var i = 0; i < project.parts.Count; i++) {
+                    var part = project.parts[i];
+                    if (part is UVoicePart voicePart) {
+                        var savePath = PathManager.Inst.GetPartSavePath(file, voicePart.DisplayName, i)[..^4] + ".ds";
+                        DiffSingerScript.SavePart(project, voicePart, savePath);
+                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
+                    }
+                }
+            }
+        }
+
+        async void OnMenuExportDsV2To(object sender, RoutedEventArgs e) {
+            var project = DocManager.Inst.Project;
+            var file = await FilePicker.SaveFileAboutProject(
+                this, "menu.file.exportds.v2", FilePicker.DS);
+            if (!string.IsNullOrEmpty(file)) {
+                for (var i = 0; i < project.parts.Count; i++) {
+                    var part = project.parts[i];
+                    if (part is UVoicePart voicePart) {
+                        var savePath = PathManager.Inst.GetPartSavePath(file, voicePart.DisplayName, i)[..^4] + ".ds";
+                        DiffSingerScript.SavePart(project, voicePart, savePath, true);
+                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
+                    }
+                }
+            }
+        }
+
+        async void OnMenuExportDsV2WithoutPitchTo(object sender, RoutedEventArgs e) {
+            var project = DocManager.Inst.Project;
+            var file = await FilePicker.SaveFileAboutProject(
+                this, "menu.file.exportds.v2withoutpitch", FilePicker.DS);
+            if (!string.IsNullOrEmpty(file)) {
+                for (var i = 0; i < project.parts.Count; i++) {
+                    var part = project.parts[i];
+                    if (part is UVoicePart voicePart) {
+                        var savePath = PathManager.Inst.GetPartSavePath(file, voicePart.DisplayName, i)[..^4] + ".ds";
+                        DiffSingerScript.SavePart(project, voicePart, savePath, true, false);
+                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
+                    }
+                }
+            }
+        }
+
+        async void OnMenuExportUst(object sender, RoutedEventArgs e) {
+            var project = DocManager.Inst.Project;
+            if (await WarnToSave(project)) {
+                var name = Path.GetFileNameWithoutExtension(project.FilePath);
+                var path = Path.GetDirectoryName(project.FilePath);
+                path = Path.Combine(path!, "Export", $"{name}.ust");
+                for (var i = 0; i < project.parts.Count; i++) {
+                    var part = project.parts[i];
+                    if (part is UVoicePart voicePart) {
+                        var savePath = PathManager.Inst.GetPartSavePath(path, voicePart.DisplayName, i);
+                        Ust.SavePart(project, voicePart, savePath);
+                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
+                    }
+                }
+            }
+        }
+
+        async void OnMenuExportUstTo(object sender, RoutedEventArgs e) {
+            var project = DocManager.Inst.Project;
+            var file = await FilePicker.SaveFileAboutProject(
+                this, "menu.file.exportustto", FilePicker.UST);
+            if (!string.IsNullOrEmpty(file)) {
+                for (var i = 0; i < project.parts.Count; i++) {
+                    var part = project.parts[i];
+                    if (part is UVoicePart voicePart) {
+                        var savePath = PathManager.Inst.GetPartSavePath(file, voicePart.DisplayName, i);
+                        Ust.SavePart(project, voicePart, savePath);
+                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
+                    }
+                }
+            }
+        }
+
+        async void OnMenuExportMidi(object sender, RoutedEventArgs e) {
+            var project = DocManager.Inst.Project;
+            var file = await FilePicker.SaveFileAboutProject(
+                this, "menu.file.exportmidi", FilePicker.MIDI);
+            if (!string.IsNullOrEmpty(file)) {
+                MidiWriter.Save(file, project);
+            }
+        }
+
+        private async Task<bool> WarnToSave(UProject project) {
+            if (string.IsNullOrEmpty(project.FilePath)) {
+                await MessageBox.Show(
+                    this,
+                    ThemeManager.GetString("dialogs.export.savefirst"),
+                    ThemeManager.GetString("dialogs.export.caption"),
+                    MessageBox.MessageBoxButtons.Ok);
+                return false;
+            }
+            return true;
+        }
+
+        void OnMenuUndo(object sender, RoutedEventArgs args) => viewModel.Undo();
+        void OnMenuRedo(object sender, RoutedEventArgs args) => viewModel.Redo();
+
+        void OnMenuExpressionss(object sender, RoutedEventArgs args) {
+            var dialog = new ExpressionsDialog() {
+                DataContext = new ExpressionsViewModel(),
+            };
+            dialog.ShowDialog(this);
+            if (dialog.Position.Y < 0) {
+                dialog.Position = dialog.Position.WithY(0);
+            }
+        }
+
+        void OnMenuSingers(object sender, RoutedEventArgs args) {
+            OpenSingersWindow();
+        }
+
+        /// <summary>
+        /// Check if a track has a singer and if it exists.
+        /// If the user haven't selected a singer for the track, or the singer specified in ustx project doesn't exist, return null.
+        /// Otherwise, return the singer.
+        /// </summary>
+        public USinger? TrackSingerIfFound(UTrack track) {
+            if (track.Singer?.Found ?? false) {
+                return track.Singer;
+            }
+            return null;
+        }
+
+        public void OpenSingersWindow() {
+            var lifetime = Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime;
+            if (lifetime == null) {
+                return;
+            }
+
+            MessageBox.ShowLoading(this);
+            var dialog = lifetime.Windows.FirstOrDefault(w => w is SingersDialog);
+            try {
+                if (dialog == null) {
+                    USinger? singer = null;
+                    if (viewModel.TracksViewModel.SelectedParts.Count > 0) {
+                        singer = TrackSingerIfFound(viewModel.TracksViewModel.Tracks[viewModel.TracksViewModel.SelectedParts.First().trackNo]);
+                    }
+                    if (singer == null && viewModel.TracksViewModel.Tracks.Count > 0) {
+                        singer = TrackSingerIfFound(viewModel.TracksViewModel.Tracks.First());
+                    }
+                    var vm = new SingersViewModel();
+                    if (singer != null) {
+                        vm.Singer = singer;
+                    }
+                    dialog = new SingersDialog() { DataContext = vm };
+                    dialog.Show();
+                }
+                if (dialog.Position.Y < 0) {
+                    dialog.Position = dialog.Position.WithY(0);
+                }
+            } catch (Exception e) {
+                DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
+            } finally {
+                MessageBox.CloseLoading();
+            }
+            if (dialog != null) {
+                dialog.Activate();
+            }
+        }
+
+        async void OnMenuInstallSinger(object sender, RoutedEventArgs args) {
+            var file = await FilePicker.OpenFileAboutSinger(
+                this, "menu.tools.singer.install", FilePicker.ArchiveFiles);
+            if (file == null) {
+                return;
+            }
+            try {
+                if (file.EndsWith(Core.Vogen.VogenSingerInstaller.FileExt)) {
+                    Core.Vogen.VogenSingerInstaller.Install(file);
+                    return;
+                }
+                if (file.EndsWith(DependencyInstaller.FileExt)) {
+                    DependencyInstaller.Install(file);
+                    return;
+                }
+
+                var setup = new SingerSetupDialog() {
+                    DataContext = new SingerSetupViewModel() {
+                        ArchiveFilePath = file,
+                    },
+                };
+                _ = setup.ShowDialog(this);
+                if (setup.Position.Y < 0) {
+                    setup.Position = setup.Position.WithY(0);
+                }
+            } catch (Exception e) {
+                Log.Error(e, $"Failed to install singer {file}");
+                MessageCustomizableException mce;
+                if (e is MessageCustomizableException) {
+                    mce = (MessageCustomizableException)e;
+                } else {
+                    mce = new MessageCustomizableException($"Failed to install singer {file}", $"<translate:errors.failed.installsinger>: {file}", e);
+                }
+                _ = await MessageBox.ShowError(this, mce);
+            }
+        }
+
+        async void OnMenuInstallDependency(object sender, RoutedEventArgs args) {
+            var file = await FilePicker.OpenFile(
+                this, "menu.tools.dependency.install", FilePicker.OUDEP);
+            if (file == null) {
+                return;
+            }
+            if (file.EndsWith(DependencyInstaller.FileExt)) {
+                DependencyInstaller.Install(file);
+                return;
+            }
+        }
+
+        void OnMenuPreferences(object sender, RoutedEventArgs args) {
+            PreferencesViewModel dataContext;
+            try {
+                dataContext = new PreferencesViewModel();
+            } catch (Exception e) {
+                Log.Error(e, "Failed to load prefs. Initialize it.");
+                MessageBox.ShowError(this, new MessageCustomizableException("Failed to load prefs. Initialize it.", "<translate:errors.failed.loadprefs>", e));
+                Preferences.Reset();
+                dataContext = new PreferencesViewModel();
+            }
+            var dialog = new PreferencesDialog() {
+                DataContext = dataContext
+            };
+            dialog.ShowDialog(this);
+            if (dialog.Position.Y < 0) {
+                dialog.Position = dialog.Position.WithY(0);
+            }
+        }
+
+        void OnMenuClearCache(object sender, RoutedEventArgs args) {
+            Task.Run(() => {
+                DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, "Clearing cache..."));
+                PathManager.Inst.ClearCache();
+                DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, "Cache cleared."));
+            });
+        }
+
+        void OnMenuDebugWindow(object sender, RoutedEventArgs args) {
+            var desktop = Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime;
+            if (desktop == null) {
+                return;
+            }
+            var window = desktop.Windows.FirstOrDefault(w => w is DebugWindow);
+            if (window == null) {
+                window = new DebugWindow();
+            }
+            window.Show();
+        }
+
+        void OnMenuPhoneticAssistant(object sender, RoutedEventArgs args) {
+            var desktop = Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime;
+            if (desktop == null) {
+                return;
+            }
+            var window = desktop.Windows.FirstOrDefault(w => w is PhoneticAssistant);
+            if (window == null) {
+                window = new PhoneticAssistant();
+            }
+            window.Show();
+        }
+
+        void OnMenuCheckUpdate(object sender, RoutedEventArgs args) {
+            var dialog = new UpdaterDialog();
+            dialog.ViewModel.CloseApplication =
+                () => (Application.Current?.ApplicationLifetime as IControlledApplicationLifetime)?.Shutdown();
+            dialog.ShowDialog(this);
+        }
+
+        void OnMenuLogsLocation(object sender, RoutedEventArgs args) {
+            try {
+                OS.OpenFolder(PathManager.Inst.LogsPath);
+            } catch (Exception e) {
+                DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
+            }
+        }
+
+        void OnMenuReportIssue(object sender, RoutedEventArgs args) {
+            try {
+                OS.OpenWeb("https://github.com/stakira/OpenUtau/issues");
+            } catch (Exception e) {
+                DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
+            }
+        }
+
+        void OnMenuWiki(object sender, RoutedEventArgs args) {
+            try {
+                OS.OpenWeb("https://github.com/stakira/OpenUtau/wiki/Getting-Started");
+            } catch (Exception e) {
+                DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
+            }
+        }
+
+        void OnMenuLayoutVSplit11(object sender, RoutedEventArgs args) => LayoutSplit(null, 1.0 / 2);
+        void OnMenuLayoutVSplit12(object sender, RoutedEventArgs args) => LayoutSplit(null, 1.0 / 3);
+        void OnMenuLayoutVSplit13(object sender, RoutedEventArgs args) => LayoutSplit(null, 1.0 / 4);
+        void OnMenuLayoutHSplit11(object sender, RoutedEventArgs args) => LayoutSplit(1.0 / 2, null);
+        void OnMenuLayoutHSplit12(object sender, RoutedEventArgs args) => LayoutSplit(1.0 / 3, null);
+        void OnMenuLayoutHSplit13(object sender, RoutedEventArgs args) => LayoutSplit(1.0 / 4, null);
+
+        private void LayoutSplit(double? x, double? y) {
+            if (Screens.Primary == null) {
+                return;
+            }
+            var wa = Screens.Primary.WorkingArea;
+            WindowState = WindowState.Normal;
+            double titleBarHeight = 20;
+            if (FrameSize != null) {
+                double borderThickness = (FrameSize!.Value.Width - ClientSize.Width) / 2;
+                titleBarHeight = FrameSize!.Value.Height - ClientSize.Height - borderThickness;
+            }
+            Position = new PixelPoint(0, 0);
+            Width = x != null ? wa.Size.Width * x.Value : wa.Size.Width;
+            Height = (y != null ? wa.Size.Height * y.Value : wa.Size.Height) - titleBarHeight;
+            if (pianoRollWindow != null) {
+                pianoRollWindow.Position = new PixelPoint(x != null ? (int)Width : 0, y != null ? (int)(Height + (OS.IsMacOS() ? 25 : titleBarHeight)) : 0);
+                pianoRollWindow.Width = x != null ? wa.Size.Width - Width : wa.Size.Width;
+                pianoRollWindow.Height = (y != null ? wa.Size.Height - (Height + titleBarHeight) : wa.Size.Height) - titleBarHeight;
+            }
+        }
+
+        void OnKeyDown(object sender, KeyEventArgs args) {
+            var tracksVm = viewModel.TracksViewModel;
+            if (args.KeyModifiers == KeyModifiers.None) {
+                args.Handled = true;
+                switch (args.Key) {
+                    case Key.Delete: viewModel.TracksViewModel.DeleteSelectedParts(); break;
+                    case Key.Space: PlayOrPause(); break;
+                    case Key.Home: viewModel.PlaybackViewModel.MovePlayPos(0); break;
+                    case Key.End:
+                        if (viewModel.TracksViewModel.Parts.Count > 0) {
+                            int endTick = viewModel.TracksViewModel.Parts.Max(part => part.End);
+                            viewModel.PlaybackViewModel.MovePlayPos(endTick);
+                        }
+                        break;
+                    default:
+                        args.Handled = false;
+                        break;
+                }
+            } else if (args.KeyModifiers == KeyModifiers.Alt) {
+                args.Handled = true;
+                switch (args.Key) {
+                    case Key.F4:
+                        (Application.Current?.ApplicationLifetime as IControlledApplicationLifetime)?.Shutdown();
+                        break;
+                    default:
+                        args.Handled = false;
+                        break;
+                }
+            } else if (args.KeyModifiers == cmdKey) {
+                args.Handled = true;
+                switch (args.Key) {
+                    case Key.A: viewModel.TracksViewModel.SelectAllParts(); break;
+                    case Key.N: NewProject(); break;
+                    case Key.O: Open(); break;
+                    case Key.S: _ = Save(); break;
+                    case Key.Z: viewModel.Undo(); break;
+                    case Key.Y: viewModel.Redo(); break;
+                    case Key.C: tracksVm.CopyParts(); break;
+                    case Key.X: tracksVm.CutParts(); break;
+                    case Key.V: tracksVm.PasteParts(); break;
+                    default:
+                        args.Handled = false;
+                        break;
+                }
+            } else if (args.KeyModifiers == KeyModifiers.Shift) {
+                args.Handled = true;
+                switch (args.Key) {
+                    // solo
+                    case Key.S:
+                        if (viewModel.TracksViewModel.SelectedParts.Count > 0) {
+                            var part = viewModel.TracksViewModel.SelectedParts.First();
+                            var track = DocManager.Inst.Project.tracks[part.trackNo];
+                            MessageBus.Current.SendMessage(new TracksSoloEvent(part.trackNo, !track.Solo, false));
+                        }
+                        break;
+                    // mute
+                    case Key.M:
+                        if (viewModel.TracksViewModel.SelectedParts.Count > 0) {
+                            var part = viewModel.TracksViewModel.SelectedParts.First();
+                            MessageBus.Current.SendMessage(new TracksMuteEvent(part.trackNo, false));
+                        }
+                        break;
+                    default:
+                        args.Handled = false;
+                        break;
+                }
+            } else if (args.KeyModifiers == (cmdKey | KeyModifiers.Shift)) {
+                args.Handled = true;
+                switch (args.Key) {
+                    case Key.Z: viewModel.Redo(); break;
+                    case Key.S: _ = SaveAs(); break;
+                    default:
+                        args.Handled = false;
+                        break;
+                }
+            }
+        }
+
+        void OnPointerPressed(object? sender, PointerPressedEventArgs args) {
+            if (!args.Handled && args.ClickCount == 1) {
+                FocusManager?.ClearFocus();
+            }
+        }
+
+        async void OnDrop(object? sender, DragEventArgs args) {
+            var storageItem = args.Data?.GetFiles()?.FirstOrDefault();
+            if (storageItem == null) {
+                return;
+            }
+            string file = storageItem.Path.LocalPath;
+            var ext = Path.GetExtension(file);
+            if (ext == ".ustx" || ext == ".ust" || ext == ".vsqx" || ext == ".ufdata") {
+                if (!DocManager.Inst.ChangesSaved && !await AskIfSaveAndContinue()) {
+                    return;
+                }
+                try {
+                    viewModel.OpenProject(new string[] { file });
+                } catch (Exception e) {
+                    Log.Error(e, $"Failed to open file {file}");
+                    _ = await MessageBox.ShowError(this, new MessageCustomizableException($"Failed to open file {file}", $"<translate:errors.failed.openfile>: {file}", e));
+                }
+            } else if (ext == ".mid" || ext == ".midi") {
+                try {
+                    viewModel.ImportMidi(file);
+                } catch (Exception e) {
+                    Log.Error(e, "Failed to import midi");
+                    _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import midi", "<translate:errors.failed.importmidi>", e));
+                }
+            } else if (ext == ".zip" || ext == ".rar" || ext == ".uar") {
+                try {
+                    var setup = new SingerSetupDialog() {
+                        DataContext = new SingerSetupViewModel() {
+                            ArchiveFilePath = file,
+                        },
+                    };
+                    _ = setup.ShowDialog(this);
+                    if (setup.Position.Y < 0) {
+                        setup.Position = setup.Position.WithY(0);
+                    }
+                } catch (Exception e) {
+                    Log.Error(e, $"Failed to install singer {file}");
+                    MessageCustomizableException mce;
+                    if (e is MessageCustomizableException) {
+                        mce = (MessageCustomizableException)e;
+                    } else {
+                        mce = new MessageCustomizableException($"Failed to install singer {file}", $"<translate:errors.failed.installsinger>: {file}", e);
+                    }
+                    _ = await MessageBox.ShowError(this, mce);
+                }
+            } else if (ext == Core.Vogen.VogenSingerInstaller.FileExt) {
+                Core.Vogen.VogenSingerInstaller.Install(file);
+            } else if (ext == ".dll") {
+                var result = await MessageBox.Show(
+                    this,
+                    ThemeManager.GetString("dialogs.installdll.message") + file,
+                    ThemeManager.GetString("dialogs.installdll.caption"),
+                    MessageBox.MessageBoxButtons.OkCancel);
+                if (result == MessageBox.MessageBoxResult.Ok) {
+                    Core.Api.PhonemizerInstaller.Install(file);
+                }
+            } else if (ext == ".exe") {
+                var setup = new ExeSetupDialog() {
+                    DataContext = new ExeSetupViewModel(file)
+                };
+                _ = setup.ShowDialog(this);
+                if (setup.Position.Y < 0) {
+                    setup.Position = setup.Position.WithY(0);
+                }
+            } else if (ext == DependencyInstaller.FileExt) {
+                var result = await MessageBox.Show(
+                    this,
+                    ThemeManager.GetString("dialogs.installdependency.message") + file,
+                    ThemeManager.GetString("dialogs.installdependency.caption"),
+                    MessageBox.MessageBoxButtons.OkCancel);
+                if (result == MessageBox.MessageBoxResult.Ok) {
+                    DependencyInstaller.Install(file);
+                }
+            } else if (ext == ".mp3" || ext == ".wav" || ext == ".ogg" || ext == ".flac") {
+                try {
+                    viewModel.ImportAudio(file);
+                } catch (Exception e) {
+                    Log.Error(e, "Failed to import audio");
+                    _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import audio", "<translate:errors.failed.importaudio>", e));
+                }
+            } else {
+                _ = await MessageBox.Show(
+                    this,
+                    ThemeManager.GetString("dialogs.unsupportedfile.message") + ext,
+                    ThemeManager.GetString("dialogs.unsupportedfile.caption"),
+                    MessageBox.MessageBoxButtons.Ok);
+            }
+        }
+
+        void OnPlayOrPause(object sender, RoutedEventArgs args) {
+            PlayOrPause();
+        }
+
+        void PlayOrPause() {
+            viewModel.PlaybackViewModel.PlayOrPause();
+        }
+
+        public void HScrollPointerWheelChanged(object sender, PointerWheelEventArgs args) {
+            var scrollbar = (ScrollBar)sender;
+            scrollbar.Value = Math.Max(scrollbar.Minimum, Math.Min(scrollbar.Maximum, scrollbar.Value - scrollbar.SmallChange * args.Delta.Y));
+        }
+
+        public void VScrollPointerWheelChanged(object sender, PointerWheelEventArgs args) {
+            var scrollbar = (ScrollBar)sender;
+            scrollbar.Value = Math.Max(scrollbar.Minimum, Math.Min(scrollbar.Maximum, scrollbar.Value - scrollbar.SmallChange * args.Delta.Y));
+        }
+
+        public void TimelinePointerWheelChanged(object sender, PointerWheelEventArgs args) {
+            var control = (Control)sender;
+            var position = args.GetCurrentPoint((Visual)sender).Position;
+            var size = control.Bounds.Size;
+            position = position.WithX(position.X / size.Width).WithY(position.Y / size.Height);
+            viewModel.TracksViewModel.OnXZoomed(position, 0.1 * args.Delta.Y);
+        }
+
+        public void ViewScalerPointerWheelChanged(object sender, PointerWheelEventArgs args) {
+            viewModel.TracksViewModel.OnYZoomed(new Point(0, 0.5), 0.1 * args.Delta.Y);
+        }
+
+        public void TimelinePointerPressed(object sender, PointerPressedEventArgs args) {
+            var control = (Control)sender;
+            var point = args.GetCurrentPoint(control);
+            if (point.Properties.IsLeftButtonPressed) {
+                args.Pointer.Capture(control);
+                viewModel.TracksViewModel.PointToLineTick(point.Position, out int left, out int right);
+                viewModel.PlaybackViewModel.MovePlayPos(left);
+            } else if (point.Properties.IsRightButtonPressed) {
+                int tick = viewModel.TracksViewModel.PointToTick(point.Position);
+                viewModel.RefreshTimelineContextMenu(tick);
+            }
+        }
+
+        public void TimelinePointerMoved(object sender, PointerEventArgs args) {
+            var control = (Control)sender;
+            var point = args.GetCurrentPoint(control);
+            if (point.Properties.IsLeftButtonPressed) {
+                viewModel.TracksViewModel.PointToLineTick(point.Position, out int left, out int right);
+                viewModel.PlaybackViewModel.MovePlayPos(left);
+            }
+        }
+
+        public void TimelinePointerReleased(object sender, PointerReleasedEventArgs args) {
+            args.Pointer.Capture(null);
+        }
+
+        public void PartsCanvasPointerPressed(object sender, PointerPressedEventArgs args) {
+            var control = (Control)sender;
+            var point = args.GetCurrentPoint(control);
+            var hitControl = control.InputHitTest(point.Position);
+            if (partEditState != null) {
+                return;
+            }
+            if (point.Properties.IsLeftButtonPressed) {
+                if (args.KeyModifiers == cmdKey) {
+                    partEditState = new PartSelectionEditState(control, viewModel, SelectionBox);
+                    Cursor = ViewConstants.cursorCross;
+                } else if (hitControl == control) {
+                    viewModel.TracksViewModel.DeselectParts();
+                    var part = viewModel.TracksViewModel.MaybeAddPart(point.Position);
+                    if (part != null) {
+                        // Start moving right away
+                        partEditState = new PartMoveEditState(control, viewModel, part);
+                        Cursor = ViewConstants.cursorSizeAll;
+                    }
+                } else if (hitControl is PartControl partControl) {
+                    bool isVoice = partControl.part is UVoicePart;
+                    bool isWave = partControl.part is UWavePart;
+                    bool trim = point.Position.X > partControl.Bounds.Right - ViewConstants.ResizeMargin;
+                    bool skip = point.Position.X < partControl.Bounds.Left + ViewConstants.ResizeMargin;
+                    if (isVoice && trim) {
+                        partEditState = new PartResizeEditState(control, viewModel, partControl.part);
+                        Cursor = ViewConstants.cursorSizeWE;
+                    } else if (isWave && skip) {
+                        // TODO
+                    } else if (isWave && trim) {
+                        // TODO
+                    } else {
+                        partEditState = new PartMoveEditState(control, viewModel, partControl.part);
+                        Cursor = ViewConstants.cursorSizeAll;
+                    }
+                }
+            } else if (point.Properties.IsRightButtonPressed) {
+                if (hitControl is PartControl partControl) {
+                    if (!viewModel.TracksViewModel.SelectedParts.Contains(partControl.part)) {
+                        viewModel.TracksViewModel.DeselectParts();
+                        viewModel.TracksViewModel.SelectPart(partControl.part);
+                    }
+                    if (PartsContextMenu != null && viewModel.TracksViewModel.SelectedParts.Count > 0) {
+                        PartsContextMenu.DataContext = new PartsContextMenuArgs {
+                            Part = partControl.part,
+                            PartDeleteCommand = viewModel.PartDeleteCommand,
+                            PartGotoFileCommand = PartGotoFileCommand,
+                            PartReplaceAudioCommand = PartReplaceAudioCommand,
+                            PartRenameCommand = PartRenameCommand,
+                            PartTranscribeCommand = PartTranscribeCommand,
+                        };
+                        shouldOpenPartsContextMenu = true;
+                    }
+                } else {
+                    viewModel.TracksViewModel.DeselectParts();
+                }
+            } else if (point.Properties.IsMiddleButtonPressed) {
+                partEditState = new PartPanningState(control, viewModel);
+                Cursor = ViewConstants.cursorHand;
+            }
+            if (partEditState != null) {
+                partEditState.Begin(point.Pointer, point.Position);
+                partEditState.Update(point.Pointer, point.Position);
+            }
+        }
+
+        public void PartsCanvasPointerMoved(object sender, PointerEventArgs args) {
+            var control = (Control)sender;
+            var point = args.GetCurrentPoint(control);
+            if (partEditState != null) {
+                partEditState.Update(point.Pointer, point.Position);
+                return;
+            }
+            var hitControl = control.InputHitTest(point.Position);
+            if (hitControl is PartControl partControl) {
+                bool isVoice = partControl.part is UVoicePart;
+                bool isWave = partControl.part is UWavePart;
+                bool trim = point.Position.X > partControl.Bounds.Right - ViewConstants.ResizeMargin;
+                bool skip = point.Position.X < partControl.Bounds.Left + ViewConstants.ResizeMargin;
+                if (isVoice && trim) {
+                    Cursor = ViewConstants.cursorSizeWE;
+                } else if (isWave && (skip || trim)) {
+                    Cursor = null; // TODO
+                } else {
+                    Cursor = null;
+                }
+            } else {
+                Cursor = null;
+            }
+        }
+
+        public void PartsCanvasPointerReleased(object sender, PointerReleasedEventArgs args) {
+            if (partEditState != null) {
+                if (partEditState.MouseButton != args.InitialPressMouseButton) {
+                    return;
+                }
+                var control = (Control)sender;
+                var point = args.GetCurrentPoint(control);
+                partEditState.Update(point.Pointer, point.Position);
+                partEditState.End(point.Pointer, point.Position);
+                partEditState = null;
+                Cursor = null;
+            }
+            if (openPianoRollWindow) {
+                pianoRollWindow?.Show();
+                pianoRollWindow?.Activate();
+                openPianoRollWindow = false;
+            }
+        }
+
+        public void PartsCanvasDoubleTapped(object sender, TappedEventArgs args) {
+            if (!(sender is Canvas canvas)) {
+                return;
+            }
+            var control = canvas.InputHitTest(args.GetPosition(canvas));
+            if (control is PartControl partControl && partControl.part is UVoicePart) {
+                if (pianoRollWindow == null) {
+                    MessageBox.ShowLoading(this);
+                    pianoRollWindow = new PianoRollWindow() {
+                        MainWindow = this,
+                    };
+                    pianoRollWindow.ViewModel.PlaybackViewModel = viewModel.PlaybackViewModel;
+                    MessageBox.CloseLoading();
+                }
+                // Workaround for new window losing focus.
+                openPianoRollWindow = true;
+                int tick = viewModel.TracksViewModel.PointToTick(args.GetPosition(canvas));
+                DocManager.Inst.ExecuteCmd(new LoadPartNotification(partControl.part, DocManager.Inst.Project, tick));
+                pianoRollWindow.AttachExpressions();
+            }
+        }
+
+        public void PartsCanvasPointerWheelChanged(object sender, PointerWheelEventArgs args) {
+            var delta = args.Delta;
+            if (args.KeyModifiers == KeyModifiers.None || args.KeyModifiers == KeyModifiers.Shift) {
+                if (args.KeyModifiers == KeyModifiers.Shift) {
+                    delta = new Vector(delta.Y, delta.X);
+                }
+                if (delta.X != 0) {
+                    HScrollBar.Value = Math.Max(HScrollBar.Minimum,
+                        Math.Min(HScrollBar.Maximum, HScrollBar.Value - HScrollBar.SmallChange * delta.X));
+                }
+                if (delta.Y != 0) {
+                    VScrollBar.Value = Math.Max(VScrollBar.Minimum,
+                        Math.Min(VScrollBar.Maximum, VScrollBar.Value - VScrollBar.SmallChange * delta.Y));
+                }
+            } else if (args.KeyModifiers == KeyModifiers.Alt) {
+                ViewScalerPointerWheelChanged(VScaler, args);
+            } else if (args.KeyModifiers == cmdKey) {
+                TimelinePointerWheelChanged(TimelineCanvas, args);
+            }
+            if (partEditState != null) {
+                var point = args.GetCurrentPoint(partEditState.control);
+                partEditState.Update(point.Pointer, point.Position);
+            }
+        }
+
+        public void PartsContextMenuOpening(object sender, CancelEventArgs args) {
+            if (shouldOpenPartsContextMenu) {
+                shouldOpenPartsContextMenu = false;
+            } else {
+                args.Cancel = true;
+            }
+        }
+
+        public void PartsContextMenuClosing(object sender, CancelEventArgs args) {
+            if (PartsContextMenu != null) {
+                PartsContextMenu.DataContext = null;
+            }
+        }
+
+        void RenamePart(UPart part) {
+            var dialog = new TypeInDialog();
+            dialog.Title = ThemeManager.GetString("context.part.rename");
+            dialog.SetText(part.name);
+            dialog.onFinish = name => {
+                if (!string.IsNullOrWhiteSpace(name) && name != part.name) {
+                    if (!string.IsNullOrWhiteSpace(name) && name != part.name) {
+                        DocManager.Inst.StartUndoGroup();
+                        DocManager.Inst.ExecuteCmd(new RenamePartCommand(DocManager.Inst.Project, part, name));
+                        DocManager.Inst.EndUndoGroup();
+                    }
+                }
+            };
+            dialog.ShowDialog(this);
+        }
+
+        void GotoFile(UPart part) {
+            //View the location of the audio file in explorer if the part is a wave part
+            if (part is UWavePart wavePart) {
+                try {
+                    OS.GotoFile(wavePart.FilePath);
+                } catch (Exception e) {
+                    DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
+                }
+            }
+        }
+
+        async void ReplaceAudio(UPart part) {
+            var file = await FilePicker.OpenFileAboutProject(
+                this, "context.part.replaceaudio", FilePicker.AudioFiles);
+            if (file == null) {
+                return;
+            }
+            UWavePart newPart = new UWavePart() {
+                FilePath = file,
+                trackNo = part.trackNo,
+                position = part.position
+            };
+            newPart.Load(DocManager.Inst.Project);
+            DocManager.Inst.StartUndoGroup();
+            DocManager.Inst.ExecuteCmd(new ReplacePartCommand(DocManager.Inst.Project, part, newPart));
+            DocManager.Inst.EndUndoGroup();
+        }
+
+        void Transcribe(UPart part) {
+            //Convert audio to notes
+            if (part is UWavePart wavePart) {
+                try {
+                    string text = ThemeManager.GetString("context.part.transcribing");
+                    var msgbox = MessageBox.ShowModal(this, $"{text} {part.name}", text);
+                    //Duration of the wave file in seconds
+                    int wavDurS = (int)(wavePart.fileDurationMs / 1000.0);
+                    var scheduler = TaskScheduler.FromCurrentSynchronizationContext();
+                    var transcribeTask = Task.Run(() => {
+                        using (var some = new Some()) {
+                            return some.Transcribe(DocManager.Inst.Project, wavePart, wavPosS => {
+                                //msgbox?.SetText($"{text} {part.name}\n{wavPosS}/{wavDurS}");
+                                msgbox.SetText(string.Format("{0} {1}\n{2}s / {3}s", text, part.name, wavPosS, wavDurS));
+                            });
+                        }
+                    });
+                    transcribeTask.ContinueWith(task => {
+                        msgbox?.Close();
+                        if (task.IsFaulted) {
+                            Log.Error(task.Exception, $"Failed to transcribe part {part.name}");
+                            MessageBox.ShowError(this, task.Exception);
+                            return;
+                        }
+                        var voicePart = task.Result;
+                        //Add voicePart into project
+                        if (voicePart != null) {
+                            var project = DocManager.Inst.Project;
+                            var track = new UTrack(project);
+                            track.TrackNo = project.tracks.Count;
+                            voicePart.trackNo = track.TrackNo;
+                            DocManager.Inst.StartUndoGroup();
+                            DocManager.Inst.ExecuteCmd(new AddTrackCommand(project, track));
+                            DocManager.Inst.ExecuteCmd(new AddPartCommand(project, voicePart));
+                            DocManager.Inst.EndUndoGroup();
+                        }
+                    }, scheduler);
+                } catch (Exception e) {
+                    Log.Error(e, $"Failed to transcribe part {part.name}");
+                    MessageBox.ShowError(this, e);
+                }
+            }
+        }
+
+        async void ValidateTracksVoiceColor() {
+            DocManager.Inst.StartUndoGroup();
+            foreach (var track in DocManager.Inst.Project.tracks) {
+                if (track.ValidateVoiceColor(out var oldColors, out var newColors)) {
+                    await VoiceColorRemappingAsync(track, oldColors, newColors);
+                }
+            }
+            DocManager.Inst.EndUndoGroup();
+        }
+        async Task VoiceColorRemappingAsync(UTrack track, string[] oldColors, string[] newColors) {
+            var parts = DocManager.Inst.Project.parts
+                .Where(part => part.trackNo == track.TrackNo && part is UVoicePart)
+                .Cast<UVoicePart>()
+                .Where(vpart => vpart.notes.Count > 0);
+            if (parts.Any()) {
+                var dialog = new VoiceColorMappingDialog();
+                VoiceColorMappingViewModel vm = new VoiceColorMappingViewModel(oldColors, newColors, track.TrackName);
+                dialog.DataContext = vm;
+                await dialog.ShowDialog(this);
+
+                if (dialog.Apply) {
+                    SetVoiceColorRemapping(track, parts, vm);
+                }
+            }
+        }
+        void VoiceColorRemapping(UTrack track, string[] oldColors, string[] newColors) {
+            var parts = DocManager.Inst.Project.parts
+                .Where(part => part.trackNo == track.TrackNo && part is UVoicePart)
+                .Cast<UVoicePart>()
+                .Where(vpart => vpart.notes.Count > 0);
+            if (parts.Any()) {
+                var dialog = new VoiceColorMappingDialog();
+                VoiceColorMappingViewModel vm = new VoiceColorMappingViewModel(oldColors, newColors, track.TrackName);
+                dialog.DataContext = vm;
+                dialog.onFinish = () => {
+                    DocManager.Inst.StartUndoGroup();
+                    SetVoiceColorRemapping(track, parts, vm);
+                    DocManager.Inst.EndUndoGroup();
+                };
+                dialog.ShowDialog(this);
+            }
+        }
+        void SetVoiceColorRemapping(UTrack track, IEnumerable<UVoicePart> parts, VoiceColorMappingViewModel vm) {
+            foreach (var part in parts) {
+                foreach (var phoneme in part.phonemes) {
+                    var tuple = phoneme.GetExpression(DocManager.Inst.Project, track, Ustx.CLR);
+                    if (vm.ColorMappings.Any(m => m.OldIndex == tuple.Item1)) {
+                        var mapping = vm.ColorMappings.First(m => m.OldIndex == tuple.Item1);
+                        if (mapping.OldIndex != mapping.SelectedIndex) {
+                            if (mapping.SelectedIndex == 0) {
+                                DocManager.Inst.ExecuteCmd(new SetPhonemeExpressionCommand(DocManager.Inst.Project, track, part, phoneme, Ustx.CLR, null));
+                            } else {
+                                DocManager.Inst.ExecuteCmd(new SetPhonemeExpressionCommand(DocManager.Inst.Project, track, part, phoneme, Ustx.CLR, mapping.SelectedIndex));
+                            }
+                        }
+                    } else {
+                        DocManager.Inst.ExecuteCmd(new SetPhonemeExpressionCommand(DocManager.Inst.Project, track, part, phoneme, Ustx.CLR, null));
+                    }
+                }
+            }
+        }
+
+        public async void WindowClosing(object? sender, WindowClosingEventArgs e) {
+            if (forceClose || DocManager.Inst.ChangesSaved) {
+                if (Preferences.Default.ClearCacheOnQuit) {
+                    Log.Information("Clearing cache...");
+                    PathManager.Inst.ClearCache();
+                    Log.Information("Cache cleared.");
+                }
+                return;
+            }
+            e.Cancel = true;
+            if (!await AskIfSaveAndContinue()) {
+                return;
+            }
+            pianoRollWindow?.Close();
+            forceClose = true;
+            Close();
+        }
+
+        private async Task<bool> AskIfSaveAndContinue() {
+            var result = await MessageBox.Show(
+                this,
+                ThemeManager.GetString("dialogs.exitsave.message"),
+                ThemeManager.GetString("dialogs.exitsave.caption"),
+                MessageBox.MessageBoxButtons.YesNoCancel);
+            switch (result) {
+                case MessageBox.MessageBoxResult.Yes:
+                    await Save();
+                    goto case MessageBox.MessageBoxResult.No;
+                case MessageBox.MessageBoxResult.No:
+                    return true; // Continue.
+                default:
+                    return false; // Cancel.
+            }
+        }
+
+        public void OnNext(UCommand cmd, bool isUndo) {
+            if (cmd is ErrorMessageNotification notif) {
+                switch (notif.e) {
+                    case Core.Render.NoResamplerException:
+                    case Core.Render.NoWavtoolException:
+                        MessageBox.Show(
+                           this,
+                           ThemeManager.GetString("dialogs.noresampler.message"),
+                           ThemeManager.GetString("dialogs.noresampler.caption"),
+                           MessageBox.MessageBoxButtons.Ok);
+                        break;
+                    default:
+                        MessageBox.ShowError(this, notif.e, notif.message, true);
+                        break;
+                }
+            } else if (cmd is LoadingNotification loadingNotif && loadingNotif.window == typeof(MainWindow)) {
+                if (loadingNotif.startLoading) {
+                    MessageBox.ShowLoading(this);
+                } else {
+                    MessageBox.CloseLoading();
+                }
+            } else if (cmd is VoiceColorRemappingNotification voicecolorNotif) {
+                if (voicecolorNotif.TrackNo < 0 || DocManager.Inst.Project.tracks.Count <= voicecolorNotif.TrackNo) {
+                    ValidateTracksVoiceColor();
+                } else {
+                    UTrack track = DocManager.Inst.Project.tracks[voicecolorNotif.TrackNo];
+                    if (!voicecolorNotif.Validate) {
+                        VoiceColorRemapping(track, track.VoiceColorNames, track.VoiceColorExp.options);
+                    } else if (track.ValidateVoiceColor(out var oldColors, out var newColors)) {
+                        VoiceColorRemapping(track, oldColors, newColors);
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/OpenUtau/Views/PreferencesDialog.axaml b/OpenUtau/Views/PreferencesDialog.axaml
index b97dd3a13..1407d3b2b 100644
--- a/OpenUtau/Views/PreferencesDialog.axaml
+++ b/OpenUtau/Views/PreferencesDialog.axaml
@@ -234,6 +234,10 @@
         </HeaderedContentControl>
         <HeaderedContentControl Classes="groupbox" Header="{DynamicResource prefs.advanced}">
           <StackPanel>
+            <Grid>
+              <TextBlock Text="{DynamicResource prefs.advanced.checkupdateonstart}" HorizontalAlignment="Left"/>
+              <ToggleSwitch IsChecked="{Binding CheckForUpdateOnStart}"/>
+            </Grid>
             <Grid>
               <TextBlock Text="{DynamicResource prefs.advanced.beta}" HorizontalAlignment="Left"/>
               <ToggleSwitch IsChecked="{Binding Beta}"/>
@@ -269,4 +273,4 @@
       </StackPanel>
     </ScrollViewer>
   </Grid>
-</Window>
+</Window>
\ No newline at end of file

From 43f978b81ff84844e654fd7c1bf153b3d7000394 Mon Sep 17 00:00:00 2001
From: RedBlackAka <140876408+RedBlackAka@users.noreply.github.com>
Date: Thu, 19 Dec 2024 03:23:58 +0100
Subject: [PATCH 2/4] Fix Preferences.cs

Fix for accidentally replacing it with the wrong code
---
 OpenUtau.Core/Util/Preferences.cs | 772 ++++++++----------------------
 1 file changed, 201 insertions(+), 571 deletions(-)

diff --git a/OpenUtau.Core/Util/Preferences.cs b/OpenUtau.Core/Util/Preferences.cs
index e7f705ccc..87a633892 100644
--- a/OpenUtau.Core/Util/Preferences.cs
+++ b/OpenUtau.Core/Util/Preferences.cs
@@ -1,571 +1,201 @@
-<ResourceDictionary xmlns="https://github.com/avaloniaui"
-                    xmlns:system="clr-namespace:System;assembly=mscorlib"
-                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-
-  <system:String x:Key="context.note.copy">Copy note</system:String>
-  <system:String x:Key="context.note.delete">Delete note</system:String>
-  <system:String x:Key="context.note.pasteparameters">Select and paste parameters</system:String>
-  <system:String x:Key="context.part.delete">Delete part</system:String>
-  <system:String x:Key="context.part.gotofile">View file location</system:String>
-  <system:String x:Key="context.part.rename">Rename part</system:String>
-  <system:String x:Key="context.part.replaceaudio">Reselect audio file</system:String>
-  <system:String x:Key="context.part.transcribe">Transcribe audio to create a note part</system:String>
-  <system:String x:Key="context.part.transcribing">Transcribing</system:String>
-  <system:String x:Key="context.pitch.easein">Ease in</system:String>
-  <system:String x:Key="context.pitch.easeinout">Ease in/out</system:String>
-  <system:String x:Key="context.pitch.easeout">Ease out</system:String>
-  <system:String x:Key="context.pitch.linear">Linear</system:String>
-  <system:String x:Key="context.pitch.pointadd">Add point</system:String>
-  <system:String x:Key="context.pitch.pointdel">Delete point</system:String>
-  <system:String x:Key="context.pitch.pointsnapprev">Snap to previous note</system:String>
-  <system:String x:Key="context.timeline.addtempo">Add tempo change at {0}</system:String>
-  <system:String x:Key="context.timeline.addtimesig">Add time signature change</system:String>
-  <system:String x:Key="context.timeline.deltempo">Delete tempo change at {0}</system:String>
-  <system:String x:Key="context.timeline.deltimesig">Delete time signature change</system:String>
-
-  <system:String x:Key="debug.clear">Clear</system:String>
-  <system:String x:Key="debug.copylog">Copy Log</system:String>
-  <system:String x:Key="debug.reverselogorder">Reverse Log Order</system:String>
-
-  <system:String x:Key="dialogs.about.caption">About OpenUTAU</system:String>
-  <system:String x:Key="dialogs.about.message">
-    OpenUtau aims to be an open source editing environment for UTAU community, with a modern user experience and intelligent phonological support. Visit us on Github.
-  </system:String>
-  <system:String x:Key="dialogs.exitsave.caption">Exit OpenUtau</system:String>
-  <system:String x:Key="dialogs.exitsave.message">The current project contains unsaved changes. Do you want to save it?</system:String>
-  <system:String x:Key="dialogs.export.caption">Export</system:String>
-  <system:String x:Key="dialogs.export.savefirst">Save project file first</system:String>
-  <system:String x:Key="dialogs.importtracks.caption">Import tracks</system:String>
-  <system:String x:Key="dialogs.importtracks.importtempo">The imported project contains the following tempo markers. Do you want to use them?</system:String>
-  <system:String x:Key="dialogs.installdependency.caption">Installing dependency</system:String>
-  <system:String x:Key="dialogs.installdependency.message">Installing </system:String>
-  <system:String x:Key="dialogs.installdll.caption">Installing phonemizer</system:String>
-  <system:String x:Key="dialogs.installdll.message">Installing </system:String>
-  <system:String x:Key="dialogs.messagebox.cancel">Cancel</system:String>
-  <system:String x:Key="dialogs.messagebox.copy">Copy error to clipboard</system:String>
-  <system:String x:Key="dialogs.messagebox.no">No</system:String>
-  <system:String x:Key="dialogs.messagebox.ok">Ok</system:String>
-  <system:String x:Key="dialogs.messagebox.yes">Yes</system:String>
-  <system:String x:Key="dialogs.noresampler.caption">No resampler</system:String>
-  <system:String x:Key="dialogs.noresampler.message">No resampler! Put your favourite resampler exe or dll in the Resamplers folder and choose it in Preferences!</system:String>
-  <system:String x:Key="dialogs.remaptimeaxis.message">This tool will change the tempo of the project without changing the actual positions and durations (in seconds) of notes.
-  New BPM:</system:String>
-  <system:String x:Key="dialogs.timesig.caption">Time Signature</system:String>
-  <system:String x:Key="dialogs.tracksettings.caption">Track Settings</system:String>
-  <system:String x:Key="dialogs.tracksettings.location">Location</system:String>
-  <system:String x:Key="dialogs.tracksettings.renderer">Renderer</system:String>
-  <system:String x:Key="dialogs.tracksettings.setasdefault">Set As Default</system:String>
-  <system:String x:Key="dialogs.unsupportedfile.caption">Unsupported file format</system:String>
-  <system:String x:Key="dialogs.unsupportedfile.message">Unsupported file format: </system:String>
-  <system:String x:Key="dialogs.voicecolorremapping">Voice color remapping</system:String>
-  <system:String x:Key="dialogs.voicecolorremapping.caption">Applies to all notes in this track:</system:String>
-
-  <system:String x:Key="errors.caption">Error</system:String>
-  <system:String x:Key="errors.details">Error Details</system:String>
-  <system:String x:Key="errors.diffsinger.downloadvocoder1">Error loading vocoder </system:String>
-  <system:String x:Key="errors.diffsinger.downloadvocoder2">. Please download vocoder from </system:String>
-  <system:String x:Key="errors.encryptedarchive">Encrypted archive file isn't supported. Please extract the archive file manually.</system:String>
-  <system:String x:Key="errors.expression.abbrlong">Abbreviation must be between 1 and 4 characters long</system:String>
-  <system:String x:Key="errors.expression.abbrset">Abbreviation must be set</system:String>
-  <system:String x:Key="errors.expression.abbrunique">Abbreviations must be unique</system:String>
-  <system:String x:Key="errors.expression.default">Default value must be between min and max</system:String>
-  <system:String x:Key="errors.expression.flagunique">Flags must be unique</system:String>
-  <system:String x:Key="errors.expression.marge">The following expressions have been merged due to duplicate flags</system:String>
-  <system:String x:Key="errors.expression.min">Min must be smaller than max</system:String>
-  <system:String x:Key="errors.expression.name">Name must be set</system:String>
-  <system:String x:Key="errors.failed.export">Failed to export</system:String>
-  <system:String x:Key="errors.failed.importaudio">Failed to import audio</system:String>
-  <system:String x:Key="errors.failed.importfiles">Failed to import files</system:String>
-  <system:String x:Key="errors.failed.importmidi">Failed to import midi</system:String>
-  <system:String x:Key="errors.failed.installsinger">Failed to install singer</system:String>
-  <system:String x:Key="errors.failed.load">Failed to load</system:String>
-  <system:String x:Key="errors.failed.loadprefs">Failed to load prefs. Initialize it.</system:String>
-  <system:String x:Key="errors.failed.openfile">Failed to open</system:String>
-  <system:String x:Key="errors.failed.openlocation">Failed to open location</system:String>
-  <system:String x:Key="errors.failed.render">Failed to render</system:String>
-  <system:String x:Key="errors.failed.runeditingmacro">Failed to run editing macro</system:String>
-  <system:String x:Key="errors.failed.save">Failed to save</system:String>
-  <system:String x:Key="errors.failed.savesingerconfig">Failed to save singer config file</system:String>
-  <system:String x:Key="errors.failed.searchsinger">Failed to search singers</system:String>
-  <system:String x:Key="errors.install.cpp">Try installing the latest Visual C++ Redistributable. https://learn.microsoft.com/en-US/cpp/windows/latest-supported-vc-redist?view=msvc-170</system:String>
-  <system:String x:Key="errors.lyrics.regex">Character not allowed in regular expression</system:String>
-  <system:String x:Key="errors.lyrics.regexpreview">- regular expression error -</system:String>
-
-  <system:String x:Key="exps.abbr">Abbreviation</system:String>
-  <system:String x:Key="exps.apply">Apply</system:String>
-  <system:String x:Key="exps.caption">Expressions</system:String>
-  <system:String x:Key="exps.defaultvalue">Default</system:String>
-  <system:String x:Key="exps.flag">Resampler Flag</system:String>
-  <system:String x:Key="exps.getsuggestions">Add all expressions suggested by renderers</system:String>
-  <system:String x:Key="exps.isflag">Is Resampler Flag</system:String>
-  <system:String x:Key="exps.maxvalue">Max</system:String>
-  <system:String x:Key="exps.minvalue">Min</system:String>
-  <system:String x:Key="exps.name">Name</system:String>
-  <system:String x:Key="exps.optionvalues">Option Values</system:String>
-  <system:String x:Key="exps.sepbycomma">Separate values by ','</system:String>
-  <system:String x:Key="exps.type">Type</system:String>
-  <system:String x:Key="exps.type.curve">Curve</system:String>
-  <system:String x:Key="exps.type.numerical">Numerical</system:String>
-  <system:String x:Key="exps.type.options">Options</system:String>
-
-  <system:String x:Key="languages.de">German</system:String>
-  <system:String x:Key="languages.en">English</system:String>
-  <system:String x:Key="languages.es">Spanish</system:String>
-  <system:String x:Key="languages.fr">French</system:String>
-  <system:String x:Key="languages.invariant">Not translating</system:String>
-  <system:String x:Key="languages.it">Italian</system:String>
-  <system:String x:Key="languages.ja">Japanese</system:String>
-  <system:String x:Key="languages.ko">Korean</system:String>
-  <system:String x:Key="languages.pl">Polish</system:String>
-  <system:String x:Key="languages.pt">Portuguese</system:String>
-  <system:String x:Key="languages.ru">Russian</system:String>
-  <system:String x:Key="languages.vi">Vietnamese</system:String>
-  <system:String x:Key="languages.zh">Chinese</system:String>
-  <system:String x:Key="languages.zh-yue">Cantonese</system:String>
-  <system:String x:Key="languages.th">Thai</system:String>
-
-  <system:String x:Key="lyrics.apply">Apply</system:String>
-  <system:String x:Key="lyrics.cancel">Cancel</system:String>
-  <system:String x:Key="lyrics.caption">Edit Lyrics</system:String>
-  <system:String x:Key="lyrics.livepreview">Live preview</system:String>
-  <system:String x:Key="lyrics.max">Max</system:String>
-  <system:String x:Key="lyrics.reset">Reset</system:String>
-  <system:String x:Key="lyrics.selectnotes">Select some notes first!</system:String>
-  <system:String x:Key="lyrics.separators">Separators</system:String>
-
-  <system:String x:Key="lyricsreplace.after">After :</system:String>
-  <system:String x:Key="lyricsreplace.before">Before :</system:String>
-  <system:String x:Key="lyricsreplace.preset.rmvalphabet">Remove alphabet</system:String>
-  <system:String x:Key="lyricsreplace.preset.rmvnonhiragana">Remove non-hiragana</system:String>
-  <system:String x:Key="lyricsreplace.preset.rmvphonetichint">Remove phonetic hint</system:String>
-  <system:String x:Key="lyricsreplace.preset.rmvspace">Remove spaces and earlier</system:String>
-  <system:String x:Key="lyricsreplace.preset.rmvtone">Remove tone suffix</system:String>
-  <system:String x:Key="lyricsreplace.presets">Presets</system:String>
-  <system:String x:Key="lyricsreplace.preview">Preview</system:String>
-  <system:String x:Key="lyricsreplace.regex">Regular expressions can be used</system:String>
-  <system:String x:Key="lyricsreplace.replace">General lyrics replacement</system:String>
-
-  <system:String x:Key="menu.edit">Edit</system:String>
-  <system:String x:Key="menu.edit.copy">Copy</system:String>
-  <system:String x:Key="menu.edit.cut">Cut</system:String>
-  <system:String x:Key="menu.edit.delete">Delete</system:String>
-  <system:String x:Key="menu.edit.lockunselectednotes">Lock editing of unselected notes</system:String>
-  <system:String x:Key="menu.edit.lockunselectednotes.expressions">Expressions</system:String>
-  <system:String x:Key="menu.edit.lockunselectednotes.pitchpoints">Pitch Points</system:String>
-  <system:String x:Key="menu.edit.lockunselectednotes.vibrato">Vibrato</system:String>
-  <system:String x:Key="menu.edit.paste">Paste</system:String>
-  <system:String x:Key="menu.edit.redo">Redo</system:String>
-  <system:String x:Key="menu.edit.selectall">Select All</system:String>
-  <system:String x:Key="menu.edit.undo">Undo</system:String>
-  <system:String x:Key="menu.file">File</system:String>
-  <system:String x:Key="menu.file.exit">Exit</system:String>
-  <system:String x:Key="menu.file.exportaudio">Export Audio</system:String>
-  <system:String x:Key="menu.file.exportds">Export DiffSinger Scripts To</system:String>
-  <system:String x:Key="menu.file.exportds.v2">Export DiffSinger Scripts To (v2)</system:String>
-  <system:String x:Key="menu.file.exportds.v2withoutpitch">Export DiffSinger Scripts To (v2, without pitch curve)</system:String>
-  <system:String x:Key="menu.file.exportmidi">Export Midi File</system:String>
-  <system:String x:Key="menu.file.exportmixdown">Mixdown To Wav File</system:String>
-  <system:String x:Key="menu.file.exportproject">Export Project</system:String>
-  <system:String x:Key="menu.file.exportust">Export Ust Files</system:String>
-  <system:String x:Key="menu.file.exportustto">Export Ust Files To...</system:String>
-  <system:String x:Key="menu.file.exportwav">Export Wav Files</system:String>
-  <system:String x:Key="menu.file.exportwavto">Export Wav Files To...</system:String>
-  <system:String x:Key="menu.file.importaudio">Import Audio...</system:String>
-  <system:String x:Key="menu.file.importmidi">Import Midi...</system:String>
-  <system:String x:Key="menu.file.importmidi.drywetmidi">DryWetMidi Importer</system:String>
-  <system:String x:Key="menu.file.importmidi.naudio">Naudio Importer</system:String>
-  <system:String x:Key="menu.file.importtracks">Import Tracks...</system:String>
-  <system:String x:Key="menu.file.new">New</system:String>
-  <system:String x:Key="menu.file.newfromtemplate">New From Template</system:String>
-  <system:String x:Key="menu.file.open">Open...</system:String>
-  <system:String x:Key="menu.file.openas">Open As</system:String>
-  <system:String x:Key="menu.file.openexportlocation">Open Export Location</system:String>
-  <system:String x:Key="menu.file.openprojectlocation">Open Project Location</system:String>
-  <system:String x:Key="menu.file.openrecent">Open Recent</system:String>
-  <system:String x:Key="menu.file.save">Save</system:String>
-  <system:String x:Key="menu.file.saveas">Save As...</system:String>
-  <system:String x:Key="menu.file.savetemplate">Save Template...</system:String>
-  <system:String x:Key="menu.help">Help</system:String>
-  <system:String x:Key="menu.help.about">About OpenUtau</system:String>
-  <system:String x:Key="menu.help.checkupdate">Check Update</system:String>
-  <system:String x:Key="menu.help.logslocation">Open Logs Location</system:String>
-  <system:String x:Key="menu.help.reportissue">Report Issue</system:String>
-  <system:String x:Key="menu.help.wiki">OpenUtau Documentation</system:String>
-  <system:String x:Key="menu.project">Project</system:String>
-  <system:String x:Key="menu.project.expressions">Expressions...</system:String>
-  <system:String x:Key="menu.project.remaptimeaxis">Adjust Tempo (Preserve Timing)</system:String>
-  <system:String x:Key="menu.tools">Tools</system:String>
-  <system:String x:Key="menu.tools.clearcache">Clear Cache</system:String>
-  <system:String x:Key="menu.tools.debugwindow">Debug Window</system:String>
-  <system:String x:Key="menu.tools.dependency.install">Install Dependency (.oudep)...</system:String>
-  <system:String x:Key="menu.tools.layout">Layout</system:String>
-  <system:String x:Key="menu.tools.layout.hsplit11">Horizontal 1:1</system:String>
-  <system:String x:Key="menu.tools.layout.hsplit12">Horizontal 1:2</system:String>
-  <system:String x:Key="menu.tools.layout.hsplit13">Horizontal 1:3</system:String>
-  <system:String x:Key="menu.tools.layout.vsplit11">Vertical 1:1</system:String>
-  <system:String x:Key="menu.tools.layout.vsplit12">Vertical 1:2</system:String>
-  <system:String x:Key="menu.tools.layout.vsplit13">Vertical 1:3</system:String>
-  <system:String x:Key="menu.tools.prefs">Preferences...</system:String>
-  <system:String x:Key="menu.tools.singer.install">Install Singer...</system:String>
-  <system:String x:Key="menu.tools.singer.installadv">Install Singer (Advanced)...</system:String>
-  <system:String x:Key="menu.tools.singers">Singers...</system:String>
-  <system:String x:Key="menu.view">View</system:String>
-
-  <system:String x:Key="notedefaults.lyric">Lyric</system:String>
-  <system:String x:Key="notedefaults.lyric.defaultlyric">Default Lyric</system:String>
-  <system:String x:Key="notedefaults.portamento">Portamento</system:String>
-  <system:String x:Key="notedefaults.portamento.length">Length</system:String>
-  <system:String x:Key="notedefaults.portamento.start">Start</system:String>
-  <system:String x:Key="notedefaults.preset">Preset</system:String>
-  <system:String x:Key="notedefaults.preset.namenew">New Preset Name</system:String>
-  <system:String x:Key="notedefaults.preset.remove">Remove</system:String>
-  <system:String x:Key="notedefaults.preset.remove.tooltip">Removes last applied preset.</system:String>
-  <system:String x:Key="notedefaults.preset.save">Save</system:String>
-  <system:String x:Key="notedefaults.preset.save.tooltip">Save current settings to a new preset.</system:String>
-  <system:String x:Key="notedefaults.reset">Reset All Settings</system:String>
-  <system:String x:Key="notedefaults.reset.tooltip">Reset every setting to default values.
-Warning: this option removes custom presets.</system:String>
-  <system:String x:Key="notedefaults.vibrato">Vibrato</system:String>
-  <system:String x:Key="notedefaults.vibrato.autominlength">Minimum Length</system:String>
-  <system:String x:Key="notedefaults.vibrato.autotoggle">Automatic Vibrato by Length</system:String>
-  <system:String x:Key="notedefaults.vibrato.depth">Depth</system:String>
-  <system:String x:Key="notedefaults.vibrato.drift">Drift</system:String>
-  <system:String x:Key="notedefaults.vibrato.in">Fade In</system:String>
-  <system:String x:Key="notedefaults.vibrato.length">Length</system:String>
-  <system:String x:Key="notedefaults.vibrato.out">Fade Out</system:String>
-  <system:String x:Key="notedefaults.vibrato.period">Period</system:String>
-  <system:String x:Key="notedefaults.vibrato.shift">Shift</system:String>
-  <system:String x:Key="notedefaults.vibrato.vollink">Volume Link</system:String>
-
-  <system:String x:Key="noteproperty">Note Properties</system:String>
-  <system:String x:Key="noteproperty.apply">Apply</system:String>
-  <system:String x:Key="noteproperty.basic">Basic</system:String>
-  <system:String x:Key="noteproperty.cancel">Cancel</system:String>
-  <system:String x:Key="noteproperty.set">Set</system:String>
-  <system:String x:Key="noteproperty.setlongnote">Set only on long notes</system:String>
-  <system:String x:Key="noteproperty.tone">Tone</system:String>
-  <system:String x:Key="noteproperty.vibratoenable">Enable</system:String>
-
-  <system:String x:Key="oto.alias">Alias</system:String>
-  <system:String x:Key="oto.color">Color</system:String>
-  <system:String x:Key="oto.consonant">Consonant</system:String>
-  <system:String x:Key="oto.cutoff">Cutoff</system:String>
-  <system:String x:Key="oto.edit.consonant">Set Consonant</system:String>
-  <system:String x:Key="oto.edit.cutoff">Set Cutoff</system:String>
-  <system:String x:Key="oto.edit.offset">Set Offset</system:String>
-  <system:String x:Key="oto.edit.overlap">Set Overlap</system:String>
-  <system:String x:Key="oto.edit.preutter">Set Preutter</system:String>
-  <system:String x:Key="oto.file">File</system:String>
-  <system:String x:Key="oto.offset">Offset</system:String>
-  <system:String x:Key="oto.overlap">Overlap</system:String>
-  <system:String x:Key="oto.phonetic">Phonetic</system:String>
-  <system:String x:Key="oto.prefix">Prefix</system:String>
-  <system:String x:Key="oto.preutter">Preutter</system:String>
-  <system:String x:Key="oto.set">Set</system:String>
-  <system:String x:Key="oto.suffix">Suffix</system:String>
-
-  <system:String x:Key="phoneticassistant.caption">Phonetic Assistant</system:String>
-  <system:String x:Key="phoneticassistant.copy">Copy</system:String>
-
-  <system:String x:Key="pianoroll.menu.batch">Batch Edits</system:String>
-  <system:String x:Key="pianoroll.menu.batch.running">Running batch edit</system:String>
-  <system:String x:Key="pianoroll.menu.lyrics">Lyrics</system:String>
-  <system:String x:Key="pianoroll.menu.lyrics.dashtoplus">Replace "-" with "+"</system:String>
-  <system:String x:Key="pianoroll.menu.lyrics.edit">Edit Lyrics</system:String>
-  <system:String x:Key="pianoroll.menu.lyrics.hiraganatoromaji">Hiragana to Romaji</system:String>
-  <system:String x:Key="pianoroll.menu.lyrics.insertslur">Insert slur lyric</system:String>
-  <system:String x:Key="pianoroll.menu.lyrics.javcvtocv">Japanese VCV to CV</system:String>
-  <system:String x:Key="pianoroll.menu.lyrics.movesuffixtovoicecolor">Move Suffix to VoiceColor</system:String>
-  <system:String x:Key="pianoroll.menu.lyrics.removelettersuffix">Remove Letter Suffix</system:String>
-  <system:String x:Key="pianoroll.menu.lyrics.removephonetichint">Remove Phonetic Hint</system:String>
-  <system:String x:Key="pianoroll.menu.lyrics.removetonesuffix">Remove Tone Suffix</system:String>
-  <system:String x:Key="pianoroll.menu.lyrics.romajitohiragana">Romaji to Hiragana</system:String>
-  <system:String x:Key="pianoroll.menu.notedefaults">Note Defaults</system:String>
-  <system:String x:Key="pianoroll.menu.notes">Notes</system:String>
-  <system:String x:Key="pianoroll.menu.notes.addbreath">Add breath</system:String>
-  <system:String x:Key="pianoroll.menu.notes.addtaildash">Add tail "-"</system:String>
-  <system:String x:Key="pianoroll.menu.notes.addtailrest">Add tail "R"</system:String>
-  <system:String x:Key="pianoroll.menu.notes.autolegato">Auto Legato</system:String>
-  <system:String x:Key="pianoroll.menu.notes.bakepitch">Convert PITD to pitch control points</system:String>
-  <system:String x:Key="pianoroll.menu.notes.clear.vibratos">Clear vibratos</system:String>
-  <system:String x:Key="pianoroll.menu.notes.fixoverlap">Fix overlapping notes</system:String>
-  <system:String x:Key="pianoroll.menu.notes.hanzitopinyin">Hanzi to pinyin</system:String>
-  <system:String x:Key="pianoroll.menu.notes.lengthencrossfade">Lengthen crossfades</system:String>
-  <system:String x:Key="pianoroll.menu.notes.loadrenderedpitch">Load rendered pitch</system:String>
-  <system:String x:Key="pianoroll.menu.notes.octavedown">Move an octave down</system:String>
-  <system:String x:Key="pianoroll.menu.notes.octaveup">Move an octave up</system:String>
-  <system:String x:Key="pianoroll.menu.notes.quantize15">Quantize to 1/128</system:String>
-  <system:String x:Key="pianoroll.menu.notes.quantize30">Quantize to 1/64</system:String>
-  <system:String x:Key="pianoroll.menu.notes.removetaildash">Remove tail "-"</system:String>
-  <system:String x:Key="pianoroll.menu.notes.removetailrest">Remove tail "R"</system:String>
-  <system:String x:Key="pianoroll.menu.notes.reset.aliases">Reset phoneme aliases</system:String>
-  <system:String x:Key="pianoroll.menu.notes.reset.all">Reset notes to default</system:String>
-  <system:String x:Key="pianoroll.menu.notes.reset.allparameters">Reset all parameters</system:String>
-  <system:String x:Key="pianoroll.menu.notes.reset.exps">Reset all expressions</system:String>
-  <system:String x:Key="pianoroll.menu.notes.reset.phonemetimings">Reset phoneme timings</system:String>
-  <system:String x:Key="pianoroll.menu.notes.reset.pitchbends">Reset pitch bends</system:String>
-  <system:String x:Key="pianoroll.menu.notes.reset.vibratos">Reset vibratos</system:String>
-  <system:String x:Key="pianoroll.menu.part">Part</system:String>
-  <system:String x:Key="pianoroll.menu.part.legacypluginexp">Legacy Plugin (Experimental)</system:String>
-  <system:String x:Key="pianoroll.menu.part.singer">Singer and Oto settings</system:String>
-  <system:String x:Key="pianoroll.menu.plugin.openfolder">Open folder</system:String>
-  <system:String x:Key="pianoroll.menu.plugin.reload">Reload</system:String>
-  <system:String x:Key="pianoroll.menu.reset">Reset</system:String>
-  <system:String x:Key="pianoroll.menu.searchnote">Search Note</system:String>
-  <system:String x:Key="pianoroll.menu.searchnote.all">Select All</system:String>
-  <system:String x:Key="pianoroll.menu.searchnote.close">Close</system:String>
-  <system:String x:Key="pianoroll.menu.searchnote.next">Next</system:String>
-  <system:String x:Key="pianoroll.menu.searchnote.prev">Prev</system:String>
-  <system:String x:Key="pianoroll.toggle.finalpitch">View Final Pitch to Render (R)</system:String>
-  <system:String x:Key="pianoroll.toggle.noteparams">View Note Parameters (\)</system:String>
-  <system:String x:Key="pianoroll.toggle.phoneme">View Phonemes (O)</system:String>
-  <system:String x:Key="pianoroll.toggle.pitch">View Pitch Bend (I)</system:String>
-  <system:String x:Key="pianoroll.toggle.snap">Toggle Snap (P)</system:String>
-  <system:String x:Key="pianoroll.toggle.snap.auto">Auto</system:String>
-  <system:String x:Key="pianoroll.toggle.snap.autotriplet">Auto (triplet)</system:String>
-  <system:String x:Key="pianoroll.toggle.tips">View Tips (T)</system:String>
-  <system:String x:Key="pianoroll.toggle.tone">Toggle Note Tone (Y)</system:String>
-  <system:String x:Key="pianoroll.toggle.vibrato">View Vibrato (U)</system:String>
-  <system:String x:Key="pianoroll.toggle.waveform">View Waveform (W)</system:String>
-  <system:String x:Key="pianoroll.tool.drawpitch">Draw Pitch Tool (4)
-    Left click to draw
-    Right click to reset
-    Hold Ctrl to select
-    Hold Alt to smoothen</system:String>
-  <system:String x:Key="pianoroll.tool.drawlinepitch">
-    Line Draw Pitch Tool (Shift + 4)
-    Left click to draw (draw straight line)
-    Right click to reset
-    Hold Ctrl to select
-    Hold Alt to smoothen
-  </system:String>
-  <system:String x:Key="pianoroll.tool.eraser">Eraser Tool (3)</system:String>
-  <system:String x:Key="pianoroll.tool.knife">Knife Tool (5)</system:String>
-  <system:String x:Key="pianoroll.tool.overwritepitch">Overwrite Pitch Tool (Ctrl + 4)
-    Left click to draw (overwrites vibrato or mod+)
-    Right click to reset
-    Hold Ctrl to select
-    Hold Alt to smoothen
-  </system:String>
-  <system:String x:Key="pianoroll.tool.penplus">Pen Plus Tool (Ctrl + 2)
-    Left click to draw
-    Right click to delete
-    Hold Ctrl to select</system:String>
-  <system:String x:Key="pianoroll.tool.penv2">Pen Tool (2)
-    Left click to draw
-    Hold Ctrl to select</system:String>
-  <system:String x:Key="pianoroll.tool.selectionv2">Selection Tool (1)</system:String>
-
-  <system:String x:Key="prefs.advanced">Advanced</system:String>
-  <system:String x:Key="prefs.advanced.beta">Beta</system:String>
-  <system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>
-  <system:String x:Key="prefs.advanced.importtempo">When importing tracks, use the tempos of the imported project</system:String>
-  <system:String x:Key="prefs.advanced.importtempo.always">Always</system:String>
-  <system:String x:Key="prefs.advanced.importtempo.ask">Ask me each time</system:String>
-  <system:String x:Key="prefs.advanced.importtempo.never">Never</system:String>
-  <system:String x:Key="prefs.advanced.lyricshelper">Lyrics Helper</system:String>
-  <system:String x:Key="prefs.advanced.lyricshelper.brackets">Lyrics Helper Adds Brackets</system:String>
-  <system:String x:Key="prefs.advanced.rememberfiletypes">Remember these file types in "Open Recent"</system:String>
-  <system:String x:Key="prefs.advanced.resamplerlogging">Resampler Logging</system:String>
-  <system:String x:Key="prefs.advanced.resamplerlogging.warn">Stores resampler output in log files. This option slows down UI and rendering.</system:String>
-  <system:String x:Key="prefs.advanced.stable">Stable</system:String>
-  <system:String x:Key="prefs.advanced.vlabelerpath">vLabeler Path</system:String>
-  <system:String x:Key="prefs.appearance">Appearance</system:String>
-  <system:String x:Key="prefs.appearance.degree">Scale degree display style</system:String>
-  <system:String x:Key="prefs.appearance.degree.numbered">Numbered (1 2 3 4 5 6 7)</system:String>
-  <system:String x:Key="prefs.appearance.degree.off">Off</system:String>
-  <system:String x:Key="prefs.appearance.degree.solfege">Solfège (do re mi fa sol la ti)</system:String>
-  <system:String x:Key="prefs.appearance.lang">Language</system:String>
-  <system:String x:Key="prefs.appearance.showghostnotes">Show other tracks' notes on piano roll</system:String>
-  <system:String x:Key="prefs.appearance.showicon">Show icon on piano roll</system:String>
-  <system:String x:Key="prefs.appearance.showportrait">Show portrait on piano roll</system:String>
-  <system:String x:Key="prefs.appearance.sortorder">Singer name display language</system:String>
-  <system:String x:Key="prefs.appearance.theme">Theme</system:String>
-  <system:String x:Key="prefs.appearance.theme.dark">Dark</system:String>
-  <system:String x:Key="prefs.appearance.theme.light">Light</system:String>
-  <system:String x:Key="prefs.appearance.trackcolor">Use track color in UI</system:String>
-  <system:String x:Key="prefs.cache">Cache</system:String>
-  <system:String x:Key="prefs.cache.clearonquit">Clear cache on quit</system:String>
-  <system:String x:Key="prefs.cache.diffsingertensorcache">DiffSinger Tensor Cache</system:String>
-  <system:String x:Key="prefs.caption">Preferences</system:String>
-  <system:String x:Key="prefs.note.restart">Note: please restart OpenUtau after changing this item.</system:String>
-  <system:String x:Key="prefs.off">Off</system:String>
-  <system:String x:Key="prefs.on">On</system:String>
-  <system:String x:Key="prefs.otoeditor">Oto Editor</system:String>
-  <system:String x:Key="prefs.otoeditor.select">Default Oto Editor</system:String>
-  <system:String x:Key="prefs.otoeditor.setparampath">setParam Path</system:String>
-  <system:String x:Key="prefs.paths">Paths</system:String>
-  <system:String x:Key="prefs.paths.addlsinger">Additional Singer Path</system:String>
-  <system:String x:Key="prefs.paths.addlsinger.install">Install to Additional Singer Path</system:String>
-  <system:String x:Key="prefs.paths.loaddeepfolders">Load all depth folders</system:String>
-  <system:String x:Key="prefs.paths.reset">Reset</system:String>
-  <system:String x:Key="prefs.paths.select">Select</system:String>
-  <system:String x:Key="prefs.penplus">Set Pen Plus Tool as Default</system:String>
-  <system:String x:Key="prefs.playback">Playback</system:String>
-  <system:String x:Key="prefs.playback.autoscroll">Auto-Scroll</system:String>
-  <system:String x:Key="prefs.playback.autoscrollmode">Auto-Scroll Mode</system:String>
-  <system:String x:Key="prefs.playback.autoscrollmode.pagescroll">Page Scroll</system:String>
-  <system:String x:Key="prefs.playback.autoscrollmode.stationarycursor">Stationary Cursor</system:String>
-  <system:String x:Key="prefs.playback.backend">Audio Backend</system:String>
-  <system:String x:Key="prefs.playback.backend.auto">Automatic</system:String>
-  <system:String x:Key="prefs.playback.backend.mini">MiniAudio</system:String>
-  <system:String x:Key="prefs.playback.cursorposition">Auto-Scroll Margin</system:String>
-  <system:String x:Key="prefs.playback.device">Playback Device</system:String>
-  <system:String x:Key="prefs.playback.lockstarttime">On Pausing</system:String>
-  <system:String x:Key="prefs.playback.lockstarttime.off">Do nothing</system:String>
-  <system:String x:Key="prefs.playback.lockstarttime.on">Move cursor and view position back to where you started playing</system:String>
-  <system:String x:Key="prefs.playback.lockstarttime.onlycursor">Move only cursor back to where you started playing</system:String>
-  <system:String x:Key="prefs.playback.test">Test</system:String>
-  <system:String x:Key="prefs.rendering">Rendering</system:String>
-  <system:String x:Key="prefs.rendering.defaultrenderer">Default renderer (for classic voicebanks)</system:String>
-  <system:String x:Key="prefs.rendering.diffsingerdepth">DiffSinger Render Depth</system:String>
-  <system:String x:Key="prefs.rendering.diffsingersteps">DiffSinger Render Steps</system:String>
-  <system:String x:Key="prefs.rendering.onnxgpu">GPU</system:String>
-  <system:String x:Key="prefs.rendering.onnxrunner">Machine Learning Runner</system:String>
-  <system:String x:Key="prefs.rendering.phasecomp">Phase Compensation</system:String>
-  <system:String x:Key="prefs.rendering.prerender">Pre-render</system:String>
-  <system:String x:Key="prefs.rendering.resampler">Resampler</system:String>
-  <system:String x:Key="prefs.rendering.resampler.morewarn">
-    Warning: moresampler is not fully supported. It may be slow and cause high CPU usage. If you insist, please:
-    1. Set "resampler-compatibility" to "on" in moreconfig.txt.
-    2. Set "auto-update-llsm-mrq" to "off" in moreconfig.txt.
-    3. Patiently wait for moresampler to generate missing llsm files.
-  </system:String>
-  <system:String x:Key="prefs.rendering.resampler.note">
-    Note: to use external resamplers, please add the resampler DLL or EXE file in the Resamplers folder in the OpenUtau install path and choose it in Preferences.
-  </system:String>
-  <system:String x:Key="prefs.rendering.skipmuted">Skip muted tracks</system:String>
-  <system:String x:Key="prefs.rendering.threads.cpuwarn">
-    Warning: too many render threads may cause OpenUtau to run slowly.
-  </system:String>
-  <system:String x:Key="prefs.rendering.threads.numthreads">Maximum Render Threads</system:String>
-  <system:String x:Key="prefs.rendering.wavtool">Wavtool</system:String>
-
-  <system:String x:Key="progress.loadingsingers">Loading Singers...</system:String>
-  <system:String x:Key="progress.saved">Project saved. {0}</system:String>
-  <system:String x:Key="progress.waitingrendering">Waiting Rendering</system:String>
-
-  <system:String x:Key="singers.caption">Singers</system:String>
-  <system:String x:Key="singers.editoto.editinsetparam">Edit In setParam</system:String>
-  <system:String x:Key="singers.editoto.editinvlabeler">Edit In vLabeler</system:String>
-  <system:String x:Key="singers.editoto.gotosource">Goto Source File</system:String>
-  <system:String x:Key="singers.editoto.regenfrq">Regenerate FRQ</system:String>
-  <system:String x:Key="singers.editoto.regenfrq.regenerating">Regenerating FRQ</system:String>
-  <system:String x:Key="singers.editoto.reset">Reset Otos</system:String>
-  <system:String x:Key="singers.editoto.save">Save Otos</system:String>
-  <system:String x:Key="singers.editoto.searchalias">Search Alias</system:String>
-  <system:String x:Key="singers.editoto.setsetparampath">Download setParam (v4.0b or higher) from http://nwp8861.blog92.fc2.com/ and set setParam path in Preferences first!</system:String>
-  <system:String x:Key="singers.editoto.setvlabelerpath">Download vLabeler (1.0.0-beta1 or higher) from https://github.com/sdercolin/vlabeler and set vLabeler path in Preferences first!</system:String>
-  <system:String x:Key="singers.errorreport">Generate Singer Error Report</system:String>
-  <system:String x:Key="singers.location">Location</system:String>
-  <system:String x:Key="singers.otoview.moveleft">Move Left</system:String>
-  <system:String x:Key="singers.otoview.moveright">Move Right</system:String>
-  <system:String x:Key="singers.otoview.selectnext">Select Next</system:String>
-  <system:String x:Key="singers.otoview.selectprev">Select Prev</system:String>
-  <system:String x:Key="singers.otoview.showall">Show All</system:String>
-  <system:String x:Key="singers.otoview.zoomin">Zoom In</system:String>
-  <system:String x:Key="singers.otoview.zoomout">Zoom Out</system:String>
-  <system:String x:Key="singers.playsample">Play sample</system:String>
-  <system:String x:Key="singers.publish">Publish Singer</system:String>
-  <system:String x:Key="singers.publish.description">Create an optimized zip package of your singer for distribution.</system:String>
-  <system:String x:Key="singers.publish.ignoretypes">Ignore these file types during packaging (gitignore syntax):</system:String>
-  <system:String x:Key="singers.publish.publish">Publish</system:String>
-  <system:String x:Key="singers.publish.useignore"> Use file type ignoring</system:String>
-  <system:String x:Key="singers.readme">Open readme.txt</system:String>
-  <system:String x:Key="singers.readme.notfound">readme.txt not found.</system:String>
-  <system:String x:Key="singers.refresh">Refresh</system:String>
-  <system:String x:Key="singers.setdefaultphonemizer">Set Default Phonemizer</system:String>
-  <system:String x:Key="singers.setencoding">Set Encoding</system:String>
-  <system:String x:Key="singers.setimage">Set Icon</system:String>
-  <system:String x:Key="singers.setportrait">Set Portrait</system:String>
-  <system:String x:Key="singers.setsingertype">Set Singer Type</system:String>
-  <system:String x:Key="singers.subbanks.cancel">Cancel</system:String>
-  <system:String x:Key="singers.subbanks.clear">Clear</system:String>
-  <system:String x:Key="singers.subbanks.color">Color</system:String>
-  <system:String x:Key="singers.subbanks.color.add">Add Color</system:String>
-  <system:String x:Key="singers.subbanks.color.remove">Remove Color</system:String>
-  <system:String x:Key="singers.subbanks.color.rename">Rename</system:String>
-  <system:String x:Key="singers.subbanks.edit">Edit Subbanks</system:String>
-  <system:String x:Key="singers.subbanks.export">Export prefix.map</system:String>
-  <system:String x:Key="singers.subbanks.import">Import prefix.map</system:String>
-  <system:String x:Key="singers.subbanks.reset">Reset</system:String>
-  <system:String x:Key="singers.subbanks.save">Save</system:String>
-  <system:String x:Key="singers.subbanks.selectall">Select All</system:String>
-  <system:String x:Key="singers.subbanks.set">Set</system:String>
-  <system:String x:Key="singers.subbanks.tone">Tone</system:String>
-  <system:String x:Key="singers.subbanks.toneranges">Tone Ranges</system:String>
-  <system:String x:Key="singers.usefilename">Use filename as alias</system:String>
-  <system:String x:Key="singers.visitwebsite">Visit Website</system:String>
-
-  <system:String x:Key="singersetup.archivefileencoding">Archive File Encoding</system:String>
-  <system:String x:Key="singersetup.archivefileencoding.prompt">Choose an encoding that make file names look right.</system:String>
-  <system:String x:Key="singersetup.back">Back</system:String>
-  <system:String x:Key="singersetup.install">Install</system:String>
-  <system:String x:Key="singersetup.missinginfo">Please add the following settings to this voicebank's character.yaml.</system:String>
-  <system:String x:Key="singersetup.next">Next</system:String>
-  <system:String x:Key="singersetup.singertype">Singer Type</system:String>
-  <system:String x:Key="singersetup.textfileencoding">Text File Encoding</system:String>
-  <system:String x:Key="singersetup.textfileencoding.prompt">Choose an encoding that make file contents look right.</system:String>
-
-  <system:String x:Key="tip.aliasbox">Override Alias</system:String>
-  <system:String x:Key="tip.exps">Left Button Draw: Set expressions
-Right Button Draw: Reset expressions</system:String>
-  <system:String x:Key="tip.exps.notsupported">Expression not supported by renderer</system:String>
-  <system:String x:Key="tip.lyricbox.next">Tab: Next Note</system:String>
-  <system:String x:Key="tip.lyricbox.prev">Shift+Tab: Previous Note</system:String>
-  <system:String x:Key="tip.notes.basics">Selection Tool
-    Box Select: Select notes
-    Ctrl + Box Select: Select more notes
-    Up/Down: Transpose selected notes
-    Ctrl + Up/Down: Transpose selected notes by octave
-Pen Tool
-    Left Button Draw: Add note
-    Right Click: Remove note
-    Right Button Draw: Remove multiple notes
-General
-    T: Toggle tips
-    Drag Note: Move note
-    Drag End of Note: Resize note
-    Alt + Drag End of Note: Resize neighbouring notes
-    Space: Play</system:String>
-  <system:String x:Key="tip.notes.zoomx">◀ Scroll here to zoom horizontally ▶</system:String>
-  <system:String x:Key="tip.notes.zoomy">Scroll here to zoom vertically ▶</system:String>
-
-  <system:String x:Key="tracks.duplicate">Duplicate Track</system:String>
-  <system:String x:Key="tracks.duplicatesettings">Duplicate Track Settings</system:String>
-  <system:String x:Key="tracks.installsinger">Install singer</system:String>
-  <system:String x:Key="tracks.more">More</system:String>
-  <system:String x:Key="tracks.movedown">Move Down</system:String>
-  <system:String x:Key="tracks.moveup">Move Up</system:String>
-  <system:String x:Key="tracks.mute">Mute</system:String>
-  <system:String x:Key="tracks.mute.allothers">Mute all others</system:String>
-  <system:String x:Key="tracks.mute.only">Mute this only</system:String>
-  <system:String x:Key="tracks.mute.unmuteall">Unmute all</system:String>
-  <system:String x:Key="tracks.opensingers">Open singers location</system:String>
-  <system:String x:Key="tracks.openaddsingers">Open additional singers location</system:String>
-  <system:String x:Key="tracks.remove">Remove</system:String>
-  <system:String x:Key="tracks.rename">Rename track</system:String>
-  <system:String x:Key="tracks.selectrenderer">Select Renderer</system:String>
-  <system:String x:Key="tracks.selectsinger">Select Singer</system:String>
-  <system:String x:Key="tracks.solo">Solo</system:String>
-  <system:String x:Key="tracks.solo.add">Solo additionally (which not removes solo from other tracks)</system:String>
-  <system:String x:Key="tracks.solo.only">Solo this only (which removes solo from other tracks)</system:String>
-  <system:String x:Key="tracks.solo.unsoloall">Unsolo all</system:String>
-  <system:String x:Key="tracks.trackcolor">Change track color</system:String>
-  <system:String x:Key="tracks.tracksettings">Track Settings</system:String>
-
-  <FontFamily x:Key="ui.fontfamily">Segoe UI,San Francisco,Helvetica Neue</FontFamily>
-
-  <system:String x:Key="updater.caption">Check for Update</system:String>
-  <system:String x:Key="updater.description">Open singing synthesis platform</system:String>
-  <system:String x:Key="updater.github">GitHub</system:String>
-  <system:String x:Key="updater.status.available">Update v{0} available!</system:String>
-  <system:String x:Key="updater.status.checking">Checking for updates...</system:String>
-  <system:String x:Key="updater.status.notavailable">Up to date</system:String>
-  <system:String x:Key="updater.status.unknown">Unable to check update</system:String>
-  <system:String x:Key="updater.update">Update</system:String>
-
-  <system:String x:Key="warning">Warning</system:String>
-  <system:String x:Key="warning.asciipath">Your OpenUtau home path "{0}" contains non-ASCII character. Exe resamplers may not work.</system:String>
-  <system:String x:Key="warning.renderer">No settings for this renderer.</system:String>
-</ResourceDictionary>
\ No newline at end of file
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Text;
+using Newtonsoft.Json;
+using OpenUtau.Core.Render;
+using Serilog;
+
+namespace OpenUtau.Core.Util {
+
+    public static class Preferences {
+        public static SerializablePreferences Default;
+
+        static Preferences() {
+            Load();
+        }
+
+        public static void Save() {
+            try {
+                File.WriteAllText(PathManager.Inst.PrefsFilePath,
+                    JsonConvert.SerializeObject(Default, Formatting.Indented),
+                    Encoding.UTF8);
+            } catch (Exception e) {
+                Log.Error(e, "Failed to save prefs.");
+            }
+        }
+
+        public static void Reset() {
+            Default = new SerializablePreferences();
+            Save();
+        }
+
+        public static List<string> GetSingerSearchPaths() {
+            return new List<string>(Default.SingerSearchPaths);
+        }
+
+        public static void SetSingerSearchPaths(List<string> paths) {
+            Default.SingerSearchPaths = new List<string>(paths);
+            Save();
+        }
+
+        public static void AddRecentFileIfEnabled(string filePath){
+            //Users can choose adding .ust, .vsqx and .mid files to recent files or not
+            string ext = Path.GetExtension(filePath);
+            switch(ext){
+                case ".ustx":
+                    AddRecentFile(filePath);
+                    break;
+                case ".mid":
+                case ".midi":
+                    if(Preferences.Default.RememberMid){
+                        AddRecentFile(filePath);
+                    }
+                    break;
+                case ".ust":
+                    if(Preferences.Default.RememberUst){
+                        AddRecentFile(filePath);
+                    }
+                    break;
+                case ".vsqx":
+                    if(Preferences.Default.RememberVsqx){
+                        AddRecentFile(filePath);
+                    }
+                    break;
+                default:
+                    break;
+            }
+        }
+
+        private static void AddRecentFile(string filePath) {
+            if (string.IsNullOrEmpty(filePath) || !File.Exists(filePath)) {
+                return;
+            }
+            var recent = Default.RecentFiles;
+            recent.RemoveAll(f => f == filePath);
+            recent.Insert(0, filePath);
+            recent.RemoveAll(f => string.IsNullOrEmpty(f)
+                || !File.Exists(f)
+                || f.Contains(PathManager.Inst.TemplatesPath));
+            if (recent.Count > 16) {
+                recent.RemoveRange(16, recent.Count - 16);
+            }
+            Save();
+        }
+
+        private static void Load() {
+            try {
+                if (File.Exists(PathManager.Inst.PrefsFilePath)) {
+                    Default = JsonConvert.DeserializeObject<SerializablePreferences>(
+                        File.ReadAllText(PathManager.Inst.PrefsFilePath, Encoding.UTF8));
+                    if(Default == null) {
+                        Reset();
+                        return;
+                    }
+
+                    if (!ValidString(new Action(() => CultureInfo.GetCultureInfo(Default.Language)))) Default.Language = string.Empty;
+                    if (!ValidString(new Action(() => CultureInfo.GetCultureInfo(Default.SortingOrder)))) Default.SortingOrder = string.Empty;
+                    if (!Renderers.getRendererOptions().Contains(Default.DefaultRenderer)) Default.DefaultRenderer = string.Empty;
+                    if (!Onnx.getRunnerOptions().Contains(Default.OnnxRunner)) Default.OnnxRunner = string.Empty;
+                } else {
+                    Reset();
+                }
+            } catch (Exception e) {
+                Log.Error(e, "Failed to load prefs.");
+                Default = new SerializablePreferences();
+            }
+        }
+
+        private static bool ValidString(Action action) {
+            try {
+                action();
+                return true;
+            } catch {
+                return false;
+            }
+        }
+
+        [Serializable]
+        public class SerializablePreferences {
+            public const int MidiWidth = 1024;
+            public const int MidiHeight = 768;
+            public int MainWidth = 1024;
+            public int MainHeight = 768;
+            public bool MainMaximized;
+            public bool MidiMaximized;
+            public int UndoLimit = 100;
+            public List<string> SingerSearchPaths = new List<string>();
+            public string PlaybackDevice = string.Empty;
+            public int PlaybackDeviceNumber;
+            public int? PlaybackDeviceIndex;
+            public bool ShowPrefs = true;
+            public bool ShowTips = true;
+            public int Theme;
+            public bool PenPlusDefault = false;
+            public int DegreeStyle;
+            public bool UseTrackColor = false;
+            public bool ClearCacheOnQuit = false;
+            public bool PreRender = true;
+            public int NumRenderThreads = 2;
+            public string DefaultRenderer = string.Empty;
+            public int WorldlineR = 0;
+            public string OnnxRunner = string.Empty;
+            public int OnnxGpu = 0;
+            public double DiffSingerDepth = 1.0;
+            public int DiffSingerSteps = 20;
+            public bool DiffSingerTensorCache = true;
+            public bool SkipRenderingMutedTracks = false;
+            public string Language = string.Empty;
+            public string? SortingOrder = null;
+            public List<string> RecentFiles = new List<string>();
+            public string SkipUpdate = string.Empty;
+            public string AdditionalSingerPath = string.Empty;
+            public bool InstallToAdditionalSingersPath = true;
+            public bool LoadDeepFolderSinger = true;
+            public bool PreferCommaSeparator = false;
+            public bool ResamplerLogging = false;
+            public List<string> RecentSingers = new List<string>();
+            public List<string> FavoriteSingers = new List<string>();
+            public Dictionary<string, string> SingerPhonemizers = new Dictionary<string, string>();
+            public List<string> RecentPhonemizers = new List<string>();
+            public bool PreferPortAudio = false;
+            public double PlayPosMarkerMargin = 0.9;
+            public int LockStartTime = 0;
+            public int PlaybackAutoScroll = 2;
+            public bool ReverseLogOrder = true;
+            public bool ShowPortrait = true;
+            public bool ShowIcon = true;
+            public bool ShowGhostNotes = true;
+            public bool PlayTone = true;
+            public bool ShowVibrato = true;
+            public bool ShowPitch = true;
+            public bool ShowFinalPitch = true;
+            public bool ShowWaveform = true;
+            public bool ShowPhoneme = true;
+            public bool ShowNoteParams = false;
+            public Dictionary<string, string> DefaultResamplers = new Dictionary<string, string>();
+            public Dictionary<string, string> DefaultWavtools = new Dictionary<string, string>();
+            public string LyricHelper = string.Empty;
+            public bool LyricsHelperBrackets = false;
+            public int OtoEditor = 0;
+            public string VLabelerPath = string.Empty;
+            public string SetParamPath = string.Empty;
+            public bool CheckForUpdateOnStart = true;
+            public bool Beta = false;
+            public bool RememberMid = false;
+            public bool RememberUst = true;
+            public bool RememberVsqx = true;
+            public int ImportTempo = 0;
+            public string PhoneticAssistant = string.Empty;
+            public string RecentOpenSingerDirectory = string.Empty;
+            public string RecentOpenProjectDirectory = string.Empty;
+            public bool LockUnselectedNotesPitch = true;
+            public bool LockUnselectedNotesVibrato = true;
+            public bool LockUnselectedNotesExpressions = true;
+
+            public bool VoicebankPublishUseIgnore = true;
+            public string VoicebankPublishIgnores = "#Adobe Audition\n*.pkf\n\n#UTAU Engines\n*.ctspec\n*.d4c\n*.dio\n*.frc\n*.frt\n#*.frq\n*.harvest\n*.lessaudio\n*.llsm\n*.mrq\n*.pitchtier\n*.pkf\n*.platinum\n*.pmk\n*.star\n*.uspec\n*.vs4ufrq\n\n#UTAU related tools\n$read\n*.setParam-Scache\n*.lbp\n*.lbp.caches/*\n\n#OpenUtau\nerrors.txt\n*.sc.npz";
+        }
+    }
+}

From 69831c4c6cc8c47819c211b7f74e719dd8fbceb7 Mon Sep 17 00:00:00 2001
From: RedBlackAka <140876408+RedBlackAka@users.noreply.github.com>
Date: Thu, 19 Dec 2024 03:27:49 +0100
Subject: [PATCH 3/4] Fix line ending

---
 OpenUtau/Views/MainWindow.axaml.cs | 2710 ++++++++++++++--------------
 1 file changed, 1355 insertions(+), 1355 deletions(-)

diff --git a/OpenUtau/Views/MainWindow.axaml.cs b/OpenUtau/Views/MainWindow.axaml.cs
index ca890b246..5786c044e 100644
--- a/OpenUtau/Views/MainWindow.axaml.cs
+++ b/OpenUtau/Views/MainWindow.axaml.cs
@@ -1,1355 +1,1355 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.IO;
-using System.Linq;
-using System.Reactive;
-using System.Threading;
-using System.Threading.Tasks;
-using Avalonia;
-using Avalonia.Controls;
-using Avalonia.Controls.ApplicationLifetimes;
-using Avalonia.Controls.Primitives;
-using Avalonia.Input;
-using Avalonia.Interactivity;
-using Avalonia.Threading;
-using OpenUtau.App.Controls;
-using OpenUtau.App.ViewModels;
-using OpenUtau.Classic;
-using OpenUtau.Core;
-using OpenUtau.Core.Analysis.Some;
-using OpenUtau.Core.DiffSinger;
-using OpenUtau.Core.Format;
-using OpenUtau.Core.Ustx;
-using OpenUtau.Core.Util;
-using ReactiveUI;
-using Serilog;
-using Point = Avalonia.Point;
-
-namespace OpenUtau.App.Views {
-    public partial class MainWindow : Window, ICmdSubscriber {
-        private readonly KeyModifiers cmdKey =
-            OS.IsMacOS() ? KeyModifiers.Meta : KeyModifiers.Control;
-        private readonly MainWindowViewModel viewModel;
-
-        private PianoRollWindow? pianoRollWindow;
-        private bool openPianoRollWindow;
-
-        private PartEditState? partEditState;
-        private readonly DispatcherTimer timer;
-        private readonly DispatcherTimer autosaveTimer;
-        private bool forceClose;
-
-        private bool shouldOpenPartsContextMenu;
-
-        private readonly ReactiveCommand<UPart, Unit> PartRenameCommand;
-        private readonly ReactiveCommand<UPart, Unit> PartGotoFileCommand;
-        private readonly ReactiveCommand<UPart, Unit> PartReplaceAudioCommand;
-        private readonly ReactiveCommand<UPart, Unit> PartTranscribeCommand;
-
-        public MainWindow() {
-            Log.Information("Creating main window.");
-            InitializeComponent();
-            Log.Information("Initialized main window component.");
-            DataContext = viewModel = new MainWindowViewModel();
-
-            viewModel.InitProject();
-            viewModel.AddTempoChangeCmd = ReactiveCommand.Create<int>(tick => AddTempoChange(tick));
-            viewModel.DelTempoChangeCmd = ReactiveCommand.Create<int>(tick => DelTempoChange(tick));
-            viewModel.AddTimeSigChangeCmd = ReactiveCommand.Create<int>(bar => AddTimeSigChange(bar));
-            viewModel.DelTimeSigChangeCmd = ReactiveCommand.Create<int>(bar => DelTimeSigChange(bar));
-
-            timer = new DispatcherTimer(
-                TimeSpan.FromMilliseconds(15),
-                DispatcherPriority.Normal,
-                (sender, args) => PlaybackManager.Inst.UpdatePlayPos());
-            timer.Start();
-
-            autosaveTimer = new DispatcherTimer(
-                TimeSpan.FromSeconds(30),
-                DispatcherPriority.Normal,
-                (sender, args) => DocManager.Inst.AutoSave());
-            autosaveTimer.Start();
-
-            PartRenameCommand = ReactiveCommand.Create<UPart>(part => RenamePart(part));
-            PartGotoFileCommand = ReactiveCommand.Create<UPart>(part => GotoFile(part));
-            PartReplaceAudioCommand = ReactiveCommand.Create<UPart>(part => ReplaceAudio(part));
-            PartTranscribeCommand = ReactiveCommand.Create<UPart>(part => Transcribe(part));
-
-            AddHandler(DragDrop.DropEvent, OnDrop);
-
-            DocManager.Inst.AddSubscriber(this);
-
-            if (Preferences.Default.CheckForUpdateOnStart) {
-                Log.Information("Main window checking Update.");
-                UpdaterDialog.CheckForUpdate(
-                    dialog => dialog.Show(this),
-                    () => (Application.Current?.ApplicationLifetime as IControlledApplicationLifetime)?.Shutdown(),
-                    TaskScheduler.FromCurrentSynchronizationContext());
-            }
-            Log.Information("Created main window.");
-        }
-
-        void OnEditTimeSignature(object sender, PointerPressedEventArgs args) {
-            var project = DocManager.Inst.Project;
-            var timeSig = project.timeSignatures[0];
-            var dialog = new TimeSignatureDialog(timeSig.beatPerBar, timeSig.beatUnit);
-            dialog.OnOk = (beatPerBar, beatUnit) => {
-                viewModel.PlaybackViewModel.SetTimeSignature(beatPerBar, beatUnit);
-            };
-            dialog.ShowDialog(this);
-            // Workaround for https://github.com/AvaloniaUI/Avalonia/issues/3986
-            args.Pointer.Capture(null);
-        }
-
-        void OnEditBpm(object sender, PointerPressedEventArgs args) {
-            var project = DocManager.Inst.Project;
-            var dialog = new TypeInDialog();
-            dialog.Title = "BPM";
-            dialog.SetText(project.tempos[0].bpm.ToString());
-            dialog.onFinish = s => {
-                if (double.TryParse(s, out double bpm)) {
-                    viewModel.PlaybackViewModel.SetBpm(bpm);
-                }
-            };
-            dialog.ShowDialog(this);
-            // Workaround for https://github.com/AvaloniaUI/Avalonia/issues/3986
-            args.Pointer.Capture(null);
-        }
-
-        private void AddTempoChange(int tick) {
-            var project = DocManager.Inst.Project;
-            var dialog = new TypeInDialog {
-                Title = "BPM"
-            };
-            dialog.SetText(project.tempos[0].bpm.ToString());
-            dialog.onFinish = s => {
-                if (double.TryParse(s, out double bpm)) {
-                    DocManager.Inst.StartUndoGroup();
-                    DocManager.Inst.ExecuteCmd(new AddTempoChangeCommand(
-                        project, tick, bpm));
-                    DocManager.Inst.EndUndoGroup();
-                }
-            };
-            dialog.ShowDialog(this);
-        }
-
-        private void DelTempoChange(int tick) {
-            var project = DocManager.Inst.Project;
-            DocManager.Inst.StartUndoGroup();
-            DocManager.Inst.ExecuteCmd(new DelTempoChangeCommand(project, tick));
-            DocManager.Inst.EndUndoGroup();
-        }
-
-
-
-        void OnMenuRemapTimeaxis(object sender, RoutedEventArgs e) {
-            var project = DocManager.Inst.Project;
-            var dialog = new TypeInDialog {
-                Title = ThemeManager.GetString("menu.project.remaptimeaxis")
-            };
-            dialog.Height = 200;
-            dialog.SetPrompt(ThemeManager.GetString("dialogs.remaptimeaxis.message"));
-            dialog.SetText(project.tempos[0].bpm.ToString());
-            dialog.onFinish = s => {
-                try {
-                    if (double.TryParse(s, out double bpm)) {
-                        DocManager.Inst.StartUndoGroup();
-                        var oldTimeAxis = project.timeAxis.Clone();
-                        DocManager.Inst.ExecuteCmd(new BpmCommand(
-                            project, bpm));
-                        foreach (var tempo in project.tempos.Skip(1)) {
-                            DocManager.Inst.ExecuteCmd(new DelTempoChangeCommand(
-                                project, tempo.position));
-                        }
-                        viewModel.RemapTimeAxis(oldTimeAxis, project.timeAxis.Clone());
-                        DocManager.Inst.EndUndoGroup();
-                    }
-                } catch (Exception e) {
-                    Log.Error(e, "Failed to open project location");
-                    MessageBox.ShowError(this, new MessageCustomizableException("Failed to open project location", "<translate:errors.failed.openlocation>: project location", e));
-                }
-            };
-            dialog.ShowDialog(this);
-        }
-
-        private void AddTimeSigChange(int bar) {
-            var project = DocManager.Inst.Project;
-            var timeSig = project.timeAxis.TimeSignatureAtBar(bar);
-            var dialog = new TimeSignatureDialog(timeSig.beatPerBar, timeSig.beatUnit);
-            dialog.OnOk = (beatPerBar, beatUnit) => {
-                DocManager.Inst.StartUndoGroup();
-                DocManager.Inst.ExecuteCmd(new AddTimeSigCommand(
-                    project, bar, dialog.BeatPerBar, dialog.BeatUnit));
-                DocManager.Inst.EndUndoGroup();
-            };
-            dialog.ShowDialog(this);
-        }
-
-        private void DelTimeSigChange(int bar) {
-            var project = DocManager.Inst.Project;
-            DocManager.Inst.StartUndoGroup();
-            DocManager.Inst.ExecuteCmd(new DelTimeSigCommand(project, bar));
-            DocManager.Inst.EndUndoGroup();
-        }
-
-        void OnMenuNew(object sender, RoutedEventArgs args) => NewProject();
-        async void NewProject() {
-            if (!DocManager.Inst.ChangesSaved && !await AskIfSaveAndContinue()) {
-                return;
-            }
-            viewModel.NewProject();
-        }
-
-        void OnMenuOpen(object sender, RoutedEventArgs args) => Open();
-        async void Open() {
-            if (!DocManager.Inst.ChangesSaved && !await AskIfSaveAndContinue()) {
-                return;
-            }
-            var files = await FilePicker.OpenFilesAboutProject(
-                this, "menu.file.open",
-                FilePicker.ProjectFiles,
-                FilePicker.USTX,
-                FilePicker.VSQX,
-                FilePicker.UST,
-                FilePicker.MIDI,
-                FilePicker.UFDATA);
-            if (files == null || files.Length == 0) {
-                return;
-            }
-            try {
-                viewModel.OpenProject(files);
-            } catch (Exception e) {
-                Log.Error(e, $"Failed to open files {string.Join("\n", files)}");
-                _ = await MessageBox.ShowError(this, new MessageCustomizableException($"Failed to open files {string.Join("\n", files)}", $"<translate:errors.failed.openfile>:\n{string.Join("\n", files)}", e));
-            }
-        }
-
-        void OnMainMenuOpened(object sender, RoutedEventArgs args) {
-            viewModel.RefreshOpenRecent();
-            viewModel.RefreshTemplates();
-            viewModel.RefreshCacheSize();
-        }
-
-        void OnMainMenuClosed(object sender, RoutedEventArgs args) {
-            Focus(); // Force unfocus menu for key down events.
-        }
-
-        void OnMainMenuPointerLeave(object sender, PointerEventArgs args) {
-            Focus(); // Force unfocus menu for key down events.
-        }
-
-        void OnMenuOpenProjectLocation(object sender, RoutedEventArgs args) {
-            var project = DocManager.Inst.Project;
-            if (string.IsNullOrEmpty(project.FilePath) || !project.Saved) {
-                MessageBox.Show(
-                    this,
-                    ThemeManager.GetString("dialogs.export.savefirst"),
-                    ThemeManager.GetString("errors.caption"),
-                    MessageBox.MessageBoxButtons.Ok);
-            }
-            try {
-                var dir = Path.GetDirectoryName(project.FilePath);
-                if (dir != null) {
-                    OS.OpenFolder(dir);
-                } else {
-                    Log.Error($"Failed to get project location from {dir}.");
-                }
-            } catch (Exception e) {
-                Log.Error(e, "Failed to open project location.");
-                MessageBox.ShowError(this, new MessageCustomizableException("Failed to open project location.", "<translate:errors.failed.openlocation>: project location", e));
-            }
-        }
-
-        async void OnMenuSave(object sender, RoutedEventArgs args) => await Save();
-        public async Task Save() {
-            if (!viewModel.ProjectSaved) {
-                await SaveAs();
-            } else {
-                viewModel.SaveProject();
-                string message = ThemeManager.GetString("progress.saved");
-                message = string.Format(message, DateTime.Now);
-                DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, message));
-            }
-        }
-
-        async void OnMenuSaveAs(object sender, RoutedEventArgs args) => await SaveAs();
-        async Task SaveAs() {
-            var file = await FilePicker.SaveFileAboutProject(
-                this, "menu.file.saveas", FilePicker.USTX);
-            if (!string.IsNullOrEmpty(file)) {
-                viewModel.SaveProject(file);
-            }
-        }
-
-        void OnMenuSaveTemplate(object sender, RoutedEventArgs args) {
-            var project = DocManager.Inst.Project;
-            var dialog = new TypeInDialog();
-            dialog.Title = ThemeManager.GetString("menu.file.savetemplate");
-            dialog.SetText("default");
-            dialog.onFinish = file => {
-                if (string.IsNullOrEmpty(file)) {
-                    return;
-                }
-                file = Path.GetFileNameWithoutExtension(file);
-                file = $"{file}.ustx";
-                file = Path.Combine(PathManager.Inst.TemplatesPath, file);
-                Ustx.Save(file, project.CloneAsTemplate());
-            };
-            dialog.ShowDialog(this);
-        }
-
-        async void OnMenuImportTracks(object sender, RoutedEventArgs args) {
-            var files = await FilePicker.OpenFilesAboutProject(
-                this, "menu.file.importtracks",
-                FilePicker.ProjectFiles,
-                FilePicker.USTX,
-                FilePicker.VSQX,
-                FilePicker.UST,
-                FilePicker.MIDI,
-                FilePicker.UFDATA);
-            if (files == null || files.Length == 0) {
-                return;
-            }
-            try {
-                var loadedProjects = Formats.ReadProjects(files);
-                if (loadedProjects == null || loadedProjects.Length == 0) {
-                    return;
-                }
-                bool importTempo = true;
-                switch (Preferences.Default.ImportTempo) {
-                    case 1:
-                        importTempo = false;
-                        break;
-                    case 2:
-                        if (loadedProjects[0].tempos.Count == 0) {
-                            importTempo = false;
-                            break;
-                        }
-                        var tempoString = String.Join("\n",
-                            loadedProjects[0].tempos
-                                .Select(tempo => $"position: {tempo.position}, tempo: {tempo.bpm}")
-                            );
-                        //ask the user
-                        var result = await MessageBox.Show(
-                            this,
-                            ThemeManager.GetString("dialogs.importtracks.importtempo") + "\n" + tempoString,
-                            ThemeManager.GetString("dialogs.importtracks.caption"),
-                            MessageBox.MessageBoxButtons.YesNo);
-                        if (result == MessageBox.MessageBoxResult.No) {
-                            importTempo = false;
-                        }
-                        break;
-                }
-                viewModel.ImportTracks(loadedProjects, importTempo);
-            } catch (Exception e) {
-                Log.Error(e, $"Failed to import files");
-                _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import files", "<translate:errors.failed.importfiles>", e));
-            }
-            ValidateTracksVoiceColor();
-        }
-
-        async void OnMenuImportAudio(object sender, RoutedEventArgs args) {
-            var file = await FilePicker.OpenFileAboutProject(
-                this, "menu.file.importaudio", FilePicker.AudioFiles);
-            if (file == null) {
-                return;
-            }
-            try {
-                viewModel.ImportAudio(file);
-            } catch (Exception e) {
-                Log.Error(e, "Failed to import audio");
-                _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import audio", "<translate:errors.failed.importaudio>", e));
-            }
-        }
-
-        async void OnMenuImportMidi(object sender, RoutedEventArgs args) {
-            var file = await FilePicker.OpenFileAboutProject(
-                this, "menu.file.importmidi", FilePicker.MIDI);
-            if (file == null) {
-                return;
-            }
-            try {
-                viewModel.ImportMidi(file);
-            } catch (Exception e) {
-                Log.Error(e, "Failed to import midi");
-                _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import midi", "<translate:errors.failed.importmidi>", e));
-            }
-        }
-
-        async void OnMenuExportMixdown(object sender, RoutedEventArgs args) {
-            var project = DocManager.Inst.Project;
-            var file = await FilePicker.SaveFileAboutProject(
-                this, "menu.file.exportmixdown", FilePicker.WAV);
-            if (!string.IsNullOrEmpty(file)) {
-                await PlaybackManager.Inst.RenderMixdown(project, file);
-            }
-        }
-
-        async void OnMenuExportWav(object sender, RoutedEventArgs args) {
-            var project = DocManager.Inst.Project;
-            if (await WarnToSave(project)) {
-                var name = Path.GetFileNameWithoutExtension(project.FilePath);
-                var path = Path.GetDirectoryName(project.FilePath);
-                path = Path.Combine(path!, "Export", $"{name}.wav");
-                await PlaybackManager.Inst.RenderToFiles(project, path);
-            }
-        }
-
-        async void OnMenuExportWavTo(object sender, RoutedEventArgs args) {
-            var project = DocManager.Inst.Project;
-            var file = await FilePicker.SaveFileAboutProject(
-                this, "menu.file.exportwavto", FilePicker.WAV);
-            if (!string.IsNullOrEmpty(file)) {
-                await PlaybackManager.Inst.RenderToFiles(project, file);
-            }
-        }
-
-        async void OnMenuExportDsTo(object sender, RoutedEventArgs e) {
-            var project = DocManager.Inst.Project;
-            var file = await FilePicker.SaveFileAboutProject(
-                this, "menu.file.exportds", FilePicker.DS);
-            if (!string.IsNullOrEmpty(file)) {
-                for (var i = 0; i < project.parts.Count; i++) {
-                    var part = project.parts[i];
-                    if (part is UVoicePart voicePart) {
-                        var savePath = PathManager.Inst.GetPartSavePath(file, voicePart.DisplayName, i)[..^4] + ".ds";
-                        DiffSingerScript.SavePart(project, voicePart, savePath);
-                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
-                    }
-                }
-            }
-        }
-
-        async void OnMenuExportDsV2To(object sender, RoutedEventArgs e) {
-            var project = DocManager.Inst.Project;
-            var file = await FilePicker.SaveFileAboutProject(
-                this, "menu.file.exportds.v2", FilePicker.DS);
-            if (!string.IsNullOrEmpty(file)) {
-                for (var i = 0; i < project.parts.Count; i++) {
-                    var part = project.parts[i];
-                    if (part is UVoicePart voicePart) {
-                        var savePath = PathManager.Inst.GetPartSavePath(file, voicePart.DisplayName, i)[..^4] + ".ds";
-                        DiffSingerScript.SavePart(project, voicePart, savePath, true);
-                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
-                    }
-                }
-            }
-        }
-
-        async void OnMenuExportDsV2WithoutPitchTo(object sender, RoutedEventArgs e) {
-            var project = DocManager.Inst.Project;
-            var file = await FilePicker.SaveFileAboutProject(
-                this, "menu.file.exportds.v2withoutpitch", FilePicker.DS);
-            if (!string.IsNullOrEmpty(file)) {
-                for (var i = 0; i < project.parts.Count; i++) {
-                    var part = project.parts[i];
-                    if (part is UVoicePart voicePart) {
-                        var savePath = PathManager.Inst.GetPartSavePath(file, voicePart.DisplayName, i)[..^4] + ".ds";
-                        DiffSingerScript.SavePart(project, voicePart, savePath, true, false);
-                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
-                    }
-                }
-            }
-        }
-
-        async void OnMenuExportUst(object sender, RoutedEventArgs e) {
-            var project = DocManager.Inst.Project;
-            if (await WarnToSave(project)) {
-                var name = Path.GetFileNameWithoutExtension(project.FilePath);
-                var path = Path.GetDirectoryName(project.FilePath);
-                path = Path.Combine(path!, "Export", $"{name}.ust");
-                for (var i = 0; i < project.parts.Count; i++) {
-                    var part = project.parts[i];
-                    if (part is UVoicePart voicePart) {
-                        var savePath = PathManager.Inst.GetPartSavePath(path, voicePart.DisplayName, i);
-                        Ust.SavePart(project, voicePart, savePath);
-                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
-                    }
-                }
-            }
-        }
-
-        async void OnMenuExportUstTo(object sender, RoutedEventArgs e) {
-            var project = DocManager.Inst.Project;
-            var file = await FilePicker.SaveFileAboutProject(
-                this, "menu.file.exportustto", FilePicker.UST);
-            if (!string.IsNullOrEmpty(file)) {
-                for (var i = 0; i < project.parts.Count; i++) {
-                    var part = project.parts[i];
-                    if (part is UVoicePart voicePart) {
-                        var savePath = PathManager.Inst.GetPartSavePath(file, voicePart.DisplayName, i);
-                        Ust.SavePart(project, voicePart, savePath);
-                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
-                    }
-                }
-            }
-        }
-
-        async void OnMenuExportMidi(object sender, RoutedEventArgs e) {
-            var project = DocManager.Inst.Project;
-            var file = await FilePicker.SaveFileAboutProject(
-                this, "menu.file.exportmidi", FilePicker.MIDI);
-            if (!string.IsNullOrEmpty(file)) {
-                MidiWriter.Save(file, project);
-            }
-        }
-
-        private async Task<bool> WarnToSave(UProject project) {
-            if (string.IsNullOrEmpty(project.FilePath)) {
-                await MessageBox.Show(
-                    this,
-                    ThemeManager.GetString("dialogs.export.savefirst"),
-                    ThemeManager.GetString("dialogs.export.caption"),
-                    MessageBox.MessageBoxButtons.Ok);
-                return false;
-            }
-            return true;
-        }
-
-        void OnMenuUndo(object sender, RoutedEventArgs args) => viewModel.Undo();
-        void OnMenuRedo(object sender, RoutedEventArgs args) => viewModel.Redo();
-
-        void OnMenuExpressionss(object sender, RoutedEventArgs args) {
-            var dialog = new ExpressionsDialog() {
-                DataContext = new ExpressionsViewModel(),
-            };
-            dialog.ShowDialog(this);
-            if (dialog.Position.Y < 0) {
-                dialog.Position = dialog.Position.WithY(0);
-            }
-        }
-
-        void OnMenuSingers(object sender, RoutedEventArgs args) {
-            OpenSingersWindow();
-        }
-
-        /// <summary>
-        /// Check if a track has a singer and if it exists.
-        /// If the user haven't selected a singer for the track, or the singer specified in ustx project doesn't exist, return null.
-        /// Otherwise, return the singer.
-        /// </summary>
-        public USinger? TrackSingerIfFound(UTrack track) {
-            if (track.Singer?.Found ?? false) {
-                return track.Singer;
-            }
-            return null;
-        }
-
-        public void OpenSingersWindow() {
-            var lifetime = Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime;
-            if (lifetime == null) {
-                return;
-            }
-
-            MessageBox.ShowLoading(this);
-            var dialog = lifetime.Windows.FirstOrDefault(w => w is SingersDialog);
-            try {
-                if (dialog == null) {
-                    USinger? singer = null;
-                    if (viewModel.TracksViewModel.SelectedParts.Count > 0) {
-                        singer = TrackSingerIfFound(viewModel.TracksViewModel.Tracks[viewModel.TracksViewModel.SelectedParts.First().trackNo]);
-                    }
-                    if (singer == null && viewModel.TracksViewModel.Tracks.Count > 0) {
-                        singer = TrackSingerIfFound(viewModel.TracksViewModel.Tracks.First());
-                    }
-                    var vm = new SingersViewModel();
-                    if (singer != null) {
-                        vm.Singer = singer;
-                    }
-                    dialog = new SingersDialog() { DataContext = vm };
-                    dialog.Show();
-                }
-                if (dialog.Position.Y < 0) {
-                    dialog.Position = dialog.Position.WithY(0);
-                }
-            } catch (Exception e) {
-                DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
-            } finally {
-                MessageBox.CloseLoading();
-            }
-            if (dialog != null) {
-                dialog.Activate();
-            }
-        }
-
-        async void OnMenuInstallSinger(object sender, RoutedEventArgs args) {
-            var file = await FilePicker.OpenFileAboutSinger(
-                this, "menu.tools.singer.install", FilePicker.ArchiveFiles);
-            if (file == null) {
-                return;
-            }
-            try {
-                if (file.EndsWith(Core.Vogen.VogenSingerInstaller.FileExt)) {
-                    Core.Vogen.VogenSingerInstaller.Install(file);
-                    return;
-                }
-                if (file.EndsWith(DependencyInstaller.FileExt)) {
-                    DependencyInstaller.Install(file);
-                    return;
-                }
-
-                var setup = new SingerSetupDialog() {
-                    DataContext = new SingerSetupViewModel() {
-                        ArchiveFilePath = file,
-                    },
-                };
-                _ = setup.ShowDialog(this);
-                if (setup.Position.Y < 0) {
-                    setup.Position = setup.Position.WithY(0);
-                }
-            } catch (Exception e) {
-                Log.Error(e, $"Failed to install singer {file}");
-                MessageCustomizableException mce;
-                if (e is MessageCustomizableException) {
-                    mce = (MessageCustomizableException)e;
-                } else {
-                    mce = new MessageCustomizableException($"Failed to install singer {file}", $"<translate:errors.failed.installsinger>: {file}", e);
-                }
-                _ = await MessageBox.ShowError(this, mce);
-            }
-        }
-
-        async void OnMenuInstallDependency(object sender, RoutedEventArgs args) {
-            var file = await FilePicker.OpenFile(
-                this, "menu.tools.dependency.install", FilePicker.OUDEP);
-            if (file == null) {
-                return;
-            }
-            if (file.EndsWith(DependencyInstaller.FileExt)) {
-                DependencyInstaller.Install(file);
-                return;
-            }
-        }
-
-        void OnMenuPreferences(object sender, RoutedEventArgs args) {
-            PreferencesViewModel dataContext;
-            try {
-                dataContext = new PreferencesViewModel();
-            } catch (Exception e) {
-                Log.Error(e, "Failed to load prefs. Initialize it.");
-                MessageBox.ShowError(this, new MessageCustomizableException("Failed to load prefs. Initialize it.", "<translate:errors.failed.loadprefs>", e));
-                Preferences.Reset();
-                dataContext = new PreferencesViewModel();
-            }
-            var dialog = new PreferencesDialog() {
-                DataContext = dataContext
-            };
-            dialog.ShowDialog(this);
-            if (dialog.Position.Y < 0) {
-                dialog.Position = dialog.Position.WithY(0);
-            }
-        }
-
-        void OnMenuClearCache(object sender, RoutedEventArgs args) {
-            Task.Run(() => {
-                DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, "Clearing cache..."));
-                PathManager.Inst.ClearCache();
-                DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, "Cache cleared."));
-            });
-        }
-
-        void OnMenuDebugWindow(object sender, RoutedEventArgs args) {
-            var desktop = Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime;
-            if (desktop == null) {
-                return;
-            }
-            var window = desktop.Windows.FirstOrDefault(w => w is DebugWindow);
-            if (window == null) {
-                window = new DebugWindow();
-            }
-            window.Show();
-        }
-
-        void OnMenuPhoneticAssistant(object sender, RoutedEventArgs args) {
-            var desktop = Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime;
-            if (desktop == null) {
-                return;
-            }
-            var window = desktop.Windows.FirstOrDefault(w => w is PhoneticAssistant);
-            if (window == null) {
-                window = new PhoneticAssistant();
-            }
-            window.Show();
-        }
-
-        void OnMenuCheckUpdate(object sender, RoutedEventArgs args) {
-            var dialog = new UpdaterDialog();
-            dialog.ViewModel.CloseApplication =
-                () => (Application.Current?.ApplicationLifetime as IControlledApplicationLifetime)?.Shutdown();
-            dialog.ShowDialog(this);
-        }
-
-        void OnMenuLogsLocation(object sender, RoutedEventArgs args) {
-            try {
-                OS.OpenFolder(PathManager.Inst.LogsPath);
-            } catch (Exception e) {
-                DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
-            }
-        }
-
-        void OnMenuReportIssue(object sender, RoutedEventArgs args) {
-            try {
-                OS.OpenWeb("https://github.com/stakira/OpenUtau/issues");
-            } catch (Exception e) {
-                DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
-            }
-        }
-
-        void OnMenuWiki(object sender, RoutedEventArgs args) {
-            try {
-                OS.OpenWeb("https://github.com/stakira/OpenUtau/wiki/Getting-Started");
-            } catch (Exception e) {
-                DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
-            }
-        }
-
-        void OnMenuLayoutVSplit11(object sender, RoutedEventArgs args) => LayoutSplit(null, 1.0 / 2);
-        void OnMenuLayoutVSplit12(object sender, RoutedEventArgs args) => LayoutSplit(null, 1.0 / 3);
-        void OnMenuLayoutVSplit13(object sender, RoutedEventArgs args) => LayoutSplit(null, 1.0 / 4);
-        void OnMenuLayoutHSplit11(object sender, RoutedEventArgs args) => LayoutSplit(1.0 / 2, null);
-        void OnMenuLayoutHSplit12(object sender, RoutedEventArgs args) => LayoutSplit(1.0 / 3, null);
-        void OnMenuLayoutHSplit13(object sender, RoutedEventArgs args) => LayoutSplit(1.0 / 4, null);
-
-        private void LayoutSplit(double? x, double? y) {
-            if (Screens.Primary == null) {
-                return;
-            }
-            var wa = Screens.Primary.WorkingArea;
-            WindowState = WindowState.Normal;
-            double titleBarHeight = 20;
-            if (FrameSize != null) {
-                double borderThickness = (FrameSize!.Value.Width - ClientSize.Width) / 2;
-                titleBarHeight = FrameSize!.Value.Height - ClientSize.Height - borderThickness;
-            }
-            Position = new PixelPoint(0, 0);
-            Width = x != null ? wa.Size.Width * x.Value : wa.Size.Width;
-            Height = (y != null ? wa.Size.Height * y.Value : wa.Size.Height) - titleBarHeight;
-            if (pianoRollWindow != null) {
-                pianoRollWindow.Position = new PixelPoint(x != null ? (int)Width : 0, y != null ? (int)(Height + (OS.IsMacOS() ? 25 : titleBarHeight)) : 0);
-                pianoRollWindow.Width = x != null ? wa.Size.Width - Width : wa.Size.Width;
-                pianoRollWindow.Height = (y != null ? wa.Size.Height - (Height + titleBarHeight) : wa.Size.Height) - titleBarHeight;
-            }
-        }
-
-        void OnKeyDown(object sender, KeyEventArgs args) {
-            var tracksVm = viewModel.TracksViewModel;
-            if (args.KeyModifiers == KeyModifiers.None) {
-                args.Handled = true;
-                switch (args.Key) {
-                    case Key.Delete: viewModel.TracksViewModel.DeleteSelectedParts(); break;
-                    case Key.Space: PlayOrPause(); break;
-                    case Key.Home: viewModel.PlaybackViewModel.MovePlayPos(0); break;
-                    case Key.End:
-                        if (viewModel.TracksViewModel.Parts.Count > 0) {
-                            int endTick = viewModel.TracksViewModel.Parts.Max(part => part.End);
-                            viewModel.PlaybackViewModel.MovePlayPos(endTick);
-                        }
-                        break;
-                    default:
-                        args.Handled = false;
-                        break;
-                }
-            } else if (args.KeyModifiers == KeyModifiers.Alt) {
-                args.Handled = true;
-                switch (args.Key) {
-                    case Key.F4:
-                        (Application.Current?.ApplicationLifetime as IControlledApplicationLifetime)?.Shutdown();
-                        break;
-                    default:
-                        args.Handled = false;
-                        break;
-                }
-            } else if (args.KeyModifiers == cmdKey) {
-                args.Handled = true;
-                switch (args.Key) {
-                    case Key.A: viewModel.TracksViewModel.SelectAllParts(); break;
-                    case Key.N: NewProject(); break;
-                    case Key.O: Open(); break;
-                    case Key.S: _ = Save(); break;
-                    case Key.Z: viewModel.Undo(); break;
-                    case Key.Y: viewModel.Redo(); break;
-                    case Key.C: tracksVm.CopyParts(); break;
-                    case Key.X: tracksVm.CutParts(); break;
-                    case Key.V: tracksVm.PasteParts(); break;
-                    default:
-                        args.Handled = false;
-                        break;
-                }
-            } else if (args.KeyModifiers == KeyModifiers.Shift) {
-                args.Handled = true;
-                switch (args.Key) {
-                    // solo
-                    case Key.S:
-                        if (viewModel.TracksViewModel.SelectedParts.Count > 0) {
-                            var part = viewModel.TracksViewModel.SelectedParts.First();
-                            var track = DocManager.Inst.Project.tracks[part.trackNo];
-                            MessageBus.Current.SendMessage(new TracksSoloEvent(part.trackNo, !track.Solo, false));
-                        }
-                        break;
-                    // mute
-                    case Key.M:
-                        if (viewModel.TracksViewModel.SelectedParts.Count > 0) {
-                            var part = viewModel.TracksViewModel.SelectedParts.First();
-                            MessageBus.Current.SendMessage(new TracksMuteEvent(part.trackNo, false));
-                        }
-                        break;
-                    default:
-                        args.Handled = false;
-                        break;
-                }
-            } else if (args.KeyModifiers == (cmdKey | KeyModifiers.Shift)) {
-                args.Handled = true;
-                switch (args.Key) {
-                    case Key.Z: viewModel.Redo(); break;
-                    case Key.S: _ = SaveAs(); break;
-                    default:
-                        args.Handled = false;
-                        break;
-                }
-            }
-        }
-
-        void OnPointerPressed(object? sender, PointerPressedEventArgs args) {
-            if (!args.Handled && args.ClickCount == 1) {
-                FocusManager?.ClearFocus();
-            }
-        }
-
-        async void OnDrop(object? sender, DragEventArgs args) {
-            var storageItem = args.Data?.GetFiles()?.FirstOrDefault();
-            if (storageItem == null) {
-                return;
-            }
-            string file = storageItem.Path.LocalPath;
-            var ext = Path.GetExtension(file);
-            if (ext == ".ustx" || ext == ".ust" || ext == ".vsqx" || ext == ".ufdata") {
-                if (!DocManager.Inst.ChangesSaved && !await AskIfSaveAndContinue()) {
-                    return;
-                }
-                try {
-                    viewModel.OpenProject(new string[] { file });
-                } catch (Exception e) {
-                    Log.Error(e, $"Failed to open file {file}");
-                    _ = await MessageBox.ShowError(this, new MessageCustomizableException($"Failed to open file {file}", $"<translate:errors.failed.openfile>: {file}", e));
-                }
-            } else if (ext == ".mid" || ext == ".midi") {
-                try {
-                    viewModel.ImportMidi(file);
-                } catch (Exception e) {
-                    Log.Error(e, "Failed to import midi");
-                    _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import midi", "<translate:errors.failed.importmidi>", e));
-                }
-            } else if (ext == ".zip" || ext == ".rar" || ext == ".uar") {
-                try {
-                    var setup = new SingerSetupDialog() {
-                        DataContext = new SingerSetupViewModel() {
-                            ArchiveFilePath = file,
-                        },
-                    };
-                    _ = setup.ShowDialog(this);
-                    if (setup.Position.Y < 0) {
-                        setup.Position = setup.Position.WithY(0);
-                    }
-                } catch (Exception e) {
-                    Log.Error(e, $"Failed to install singer {file}");
-                    MessageCustomizableException mce;
-                    if (e is MessageCustomizableException) {
-                        mce = (MessageCustomizableException)e;
-                    } else {
-                        mce = new MessageCustomizableException($"Failed to install singer {file}", $"<translate:errors.failed.installsinger>: {file}", e);
-                    }
-                    _ = await MessageBox.ShowError(this, mce);
-                }
-            } else if (ext == Core.Vogen.VogenSingerInstaller.FileExt) {
-                Core.Vogen.VogenSingerInstaller.Install(file);
-            } else if (ext == ".dll") {
-                var result = await MessageBox.Show(
-                    this,
-                    ThemeManager.GetString("dialogs.installdll.message") + file,
-                    ThemeManager.GetString("dialogs.installdll.caption"),
-                    MessageBox.MessageBoxButtons.OkCancel);
-                if (result == MessageBox.MessageBoxResult.Ok) {
-                    Core.Api.PhonemizerInstaller.Install(file);
-                }
-            } else if (ext == ".exe") {
-                var setup = new ExeSetupDialog() {
-                    DataContext = new ExeSetupViewModel(file)
-                };
-                _ = setup.ShowDialog(this);
-                if (setup.Position.Y < 0) {
-                    setup.Position = setup.Position.WithY(0);
-                }
-            } else if (ext == DependencyInstaller.FileExt) {
-                var result = await MessageBox.Show(
-                    this,
-                    ThemeManager.GetString("dialogs.installdependency.message") + file,
-                    ThemeManager.GetString("dialogs.installdependency.caption"),
-                    MessageBox.MessageBoxButtons.OkCancel);
-                if (result == MessageBox.MessageBoxResult.Ok) {
-                    DependencyInstaller.Install(file);
-                }
-            } else if (ext == ".mp3" || ext == ".wav" || ext == ".ogg" || ext == ".flac") {
-                try {
-                    viewModel.ImportAudio(file);
-                } catch (Exception e) {
-                    Log.Error(e, "Failed to import audio");
-                    _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import audio", "<translate:errors.failed.importaudio>", e));
-                }
-            } else {
-                _ = await MessageBox.Show(
-                    this,
-                    ThemeManager.GetString("dialogs.unsupportedfile.message") + ext,
-                    ThemeManager.GetString("dialogs.unsupportedfile.caption"),
-                    MessageBox.MessageBoxButtons.Ok);
-            }
-        }
-
-        void OnPlayOrPause(object sender, RoutedEventArgs args) {
-            PlayOrPause();
-        }
-
-        void PlayOrPause() {
-            viewModel.PlaybackViewModel.PlayOrPause();
-        }
-
-        public void HScrollPointerWheelChanged(object sender, PointerWheelEventArgs args) {
-            var scrollbar = (ScrollBar)sender;
-            scrollbar.Value = Math.Max(scrollbar.Minimum, Math.Min(scrollbar.Maximum, scrollbar.Value - scrollbar.SmallChange * args.Delta.Y));
-        }
-
-        public void VScrollPointerWheelChanged(object sender, PointerWheelEventArgs args) {
-            var scrollbar = (ScrollBar)sender;
-            scrollbar.Value = Math.Max(scrollbar.Minimum, Math.Min(scrollbar.Maximum, scrollbar.Value - scrollbar.SmallChange * args.Delta.Y));
-        }
-
-        public void TimelinePointerWheelChanged(object sender, PointerWheelEventArgs args) {
-            var control = (Control)sender;
-            var position = args.GetCurrentPoint((Visual)sender).Position;
-            var size = control.Bounds.Size;
-            position = position.WithX(position.X / size.Width).WithY(position.Y / size.Height);
-            viewModel.TracksViewModel.OnXZoomed(position, 0.1 * args.Delta.Y);
-        }
-
-        public void ViewScalerPointerWheelChanged(object sender, PointerWheelEventArgs args) {
-            viewModel.TracksViewModel.OnYZoomed(new Point(0, 0.5), 0.1 * args.Delta.Y);
-        }
-
-        public void TimelinePointerPressed(object sender, PointerPressedEventArgs args) {
-            var control = (Control)sender;
-            var point = args.GetCurrentPoint(control);
-            if (point.Properties.IsLeftButtonPressed) {
-                args.Pointer.Capture(control);
-                viewModel.TracksViewModel.PointToLineTick(point.Position, out int left, out int right);
-                viewModel.PlaybackViewModel.MovePlayPos(left);
-            } else if (point.Properties.IsRightButtonPressed) {
-                int tick = viewModel.TracksViewModel.PointToTick(point.Position);
-                viewModel.RefreshTimelineContextMenu(tick);
-            }
-        }
-
-        public void TimelinePointerMoved(object sender, PointerEventArgs args) {
-            var control = (Control)sender;
-            var point = args.GetCurrentPoint(control);
-            if (point.Properties.IsLeftButtonPressed) {
-                viewModel.TracksViewModel.PointToLineTick(point.Position, out int left, out int right);
-                viewModel.PlaybackViewModel.MovePlayPos(left);
-            }
-        }
-
-        public void TimelinePointerReleased(object sender, PointerReleasedEventArgs args) {
-            args.Pointer.Capture(null);
-        }
-
-        public void PartsCanvasPointerPressed(object sender, PointerPressedEventArgs args) {
-            var control = (Control)sender;
-            var point = args.GetCurrentPoint(control);
-            var hitControl = control.InputHitTest(point.Position);
-            if (partEditState != null) {
-                return;
-            }
-            if (point.Properties.IsLeftButtonPressed) {
-                if (args.KeyModifiers == cmdKey) {
-                    partEditState = new PartSelectionEditState(control, viewModel, SelectionBox);
-                    Cursor = ViewConstants.cursorCross;
-                } else if (hitControl == control) {
-                    viewModel.TracksViewModel.DeselectParts();
-                    var part = viewModel.TracksViewModel.MaybeAddPart(point.Position);
-                    if (part != null) {
-                        // Start moving right away
-                        partEditState = new PartMoveEditState(control, viewModel, part);
-                        Cursor = ViewConstants.cursorSizeAll;
-                    }
-                } else if (hitControl is PartControl partControl) {
-                    bool isVoice = partControl.part is UVoicePart;
-                    bool isWave = partControl.part is UWavePart;
-                    bool trim = point.Position.X > partControl.Bounds.Right - ViewConstants.ResizeMargin;
-                    bool skip = point.Position.X < partControl.Bounds.Left + ViewConstants.ResizeMargin;
-                    if (isVoice && trim) {
-                        partEditState = new PartResizeEditState(control, viewModel, partControl.part);
-                        Cursor = ViewConstants.cursorSizeWE;
-                    } else if (isWave && skip) {
-                        // TODO
-                    } else if (isWave && trim) {
-                        // TODO
-                    } else {
-                        partEditState = new PartMoveEditState(control, viewModel, partControl.part);
-                        Cursor = ViewConstants.cursorSizeAll;
-                    }
-                }
-            } else if (point.Properties.IsRightButtonPressed) {
-                if (hitControl is PartControl partControl) {
-                    if (!viewModel.TracksViewModel.SelectedParts.Contains(partControl.part)) {
-                        viewModel.TracksViewModel.DeselectParts();
-                        viewModel.TracksViewModel.SelectPart(partControl.part);
-                    }
-                    if (PartsContextMenu != null && viewModel.TracksViewModel.SelectedParts.Count > 0) {
-                        PartsContextMenu.DataContext = new PartsContextMenuArgs {
-                            Part = partControl.part,
-                            PartDeleteCommand = viewModel.PartDeleteCommand,
-                            PartGotoFileCommand = PartGotoFileCommand,
-                            PartReplaceAudioCommand = PartReplaceAudioCommand,
-                            PartRenameCommand = PartRenameCommand,
-                            PartTranscribeCommand = PartTranscribeCommand,
-                        };
-                        shouldOpenPartsContextMenu = true;
-                    }
-                } else {
-                    viewModel.TracksViewModel.DeselectParts();
-                }
-            } else if (point.Properties.IsMiddleButtonPressed) {
-                partEditState = new PartPanningState(control, viewModel);
-                Cursor = ViewConstants.cursorHand;
-            }
-            if (partEditState != null) {
-                partEditState.Begin(point.Pointer, point.Position);
-                partEditState.Update(point.Pointer, point.Position);
-            }
-        }
-
-        public void PartsCanvasPointerMoved(object sender, PointerEventArgs args) {
-            var control = (Control)sender;
-            var point = args.GetCurrentPoint(control);
-            if (partEditState != null) {
-                partEditState.Update(point.Pointer, point.Position);
-                return;
-            }
-            var hitControl = control.InputHitTest(point.Position);
-            if (hitControl is PartControl partControl) {
-                bool isVoice = partControl.part is UVoicePart;
-                bool isWave = partControl.part is UWavePart;
-                bool trim = point.Position.X > partControl.Bounds.Right - ViewConstants.ResizeMargin;
-                bool skip = point.Position.X < partControl.Bounds.Left + ViewConstants.ResizeMargin;
-                if (isVoice && trim) {
-                    Cursor = ViewConstants.cursorSizeWE;
-                } else if (isWave && (skip || trim)) {
-                    Cursor = null; // TODO
-                } else {
-                    Cursor = null;
-                }
-            } else {
-                Cursor = null;
-            }
-        }
-
-        public void PartsCanvasPointerReleased(object sender, PointerReleasedEventArgs args) {
-            if (partEditState != null) {
-                if (partEditState.MouseButton != args.InitialPressMouseButton) {
-                    return;
-                }
-                var control = (Control)sender;
-                var point = args.GetCurrentPoint(control);
-                partEditState.Update(point.Pointer, point.Position);
-                partEditState.End(point.Pointer, point.Position);
-                partEditState = null;
-                Cursor = null;
-            }
-            if (openPianoRollWindow) {
-                pianoRollWindow?.Show();
-                pianoRollWindow?.Activate();
-                openPianoRollWindow = false;
-            }
-        }
-
-        public void PartsCanvasDoubleTapped(object sender, TappedEventArgs args) {
-            if (!(sender is Canvas canvas)) {
-                return;
-            }
-            var control = canvas.InputHitTest(args.GetPosition(canvas));
-            if (control is PartControl partControl && partControl.part is UVoicePart) {
-                if (pianoRollWindow == null) {
-                    MessageBox.ShowLoading(this);
-                    pianoRollWindow = new PianoRollWindow() {
-                        MainWindow = this,
-                    };
-                    pianoRollWindow.ViewModel.PlaybackViewModel = viewModel.PlaybackViewModel;
-                    MessageBox.CloseLoading();
-                }
-                // Workaround for new window losing focus.
-                openPianoRollWindow = true;
-                int tick = viewModel.TracksViewModel.PointToTick(args.GetPosition(canvas));
-                DocManager.Inst.ExecuteCmd(new LoadPartNotification(partControl.part, DocManager.Inst.Project, tick));
-                pianoRollWindow.AttachExpressions();
-            }
-        }
-
-        public void PartsCanvasPointerWheelChanged(object sender, PointerWheelEventArgs args) {
-            var delta = args.Delta;
-            if (args.KeyModifiers == KeyModifiers.None || args.KeyModifiers == KeyModifiers.Shift) {
-                if (args.KeyModifiers == KeyModifiers.Shift) {
-                    delta = new Vector(delta.Y, delta.X);
-                }
-                if (delta.X != 0) {
-                    HScrollBar.Value = Math.Max(HScrollBar.Minimum,
-                        Math.Min(HScrollBar.Maximum, HScrollBar.Value - HScrollBar.SmallChange * delta.X));
-                }
-                if (delta.Y != 0) {
-                    VScrollBar.Value = Math.Max(VScrollBar.Minimum,
-                        Math.Min(VScrollBar.Maximum, VScrollBar.Value - VScrollBar.SmallChange * delta.Y));
-                }
-            } else if (args.KeyModifiers == KeyModifiers.Alt) {
-                ViewScalerPointerWheelChanged(VScaler, args);
-            } else if (args.KeyModifiers == cmdKey) {
-                TimelinePointerWheelChanged(TimelineCanvas, args);
-            }
-            if (partEditState != null) {
-                var point = args.GetCurrentPoint(partEditState.control);
-                partEditState.Update(point.Pointer, point.Position);
-            }
-        }
-
-        public void PartsContextMenuOpening(object sender, CancelEventArgs args) {
-            if (shouldOpenPartsContextMenu) {
-                shouldOpenPartsContextMenu = false;
-            } else {
-                args.Cancel = true;
-            }
-        }
-
-        public void PartsContextMenuClosing(object sender, CancelEventArgs args) {
-            if (PartsContextMenu != null) {
-                PartsContextMenu.DataContext = null;
-            }
-        }
-
-        void RenamePart(UPart part) {
-            var dialog = new TypeInDialog();
-            dialog.Title = ThemeManager.GetString("context.part.rename");
-            dialog.SetText(part.name);
-            dialog.onFinish = name => {
-                if (!string.IsNullOrWhiteSpace(name) && name != part.name) {
-                    if (!string.IsNullOrWhiteSpace(name) && name != part.name) {
-                        DocManager.Inst.StartUndoGroup();
-                        DocManager.Inst.ExecuteCmd(new RenamePartCommand(DocManager.Inst.Project, part, name));
-                        DocManager.Inst.EndUndoGroup();
-                    }
-                }
-            };
-            dialog.ShowDialog(this);
-        }
-
-        void GotoFile(UPart part) {
-            //View the location of the audio file in explorer if the part is a wave part
-            if (part is UWavePart wavePart) {
-                try {
-                    OS.GotoFile(wavePart.FilePath);
-                } catch (Exception e) {
-                    DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
-                }
-            }
-        }
-
-        async void ReplaceAudio(UPart part) {
-            var file = await FilePicker.OpenFileAboutProject(
-                this, "context.part.replaceaudio", FilePicker.AudioFiles);
-            if (file == null) {
-                return;
-            }
-            UWavePart newPart = new UWavePart() {
-                FilePath = file,
-                trackNo = part.trackNo,
-                position = part.position
-            };
-            newPart.Load(DocManager.Inst.Project);
-            DocManager.Inst.StartUndoGroup();
-            DocManager.Inst.ExecuteCmd(new ReplacePartCommand(DocManager.Inst.Project, part, newPart));
-            DocManager.Inst.EndUndoGroup();
-        }
-
-        void Transcribe(UPart part) {
-            //Convert audio to notes
-            if (part is UWavePart wavePart) {
-                try {
-                    string text = ThemeManager.GetString("context.part.transcribing");
-                    var msgbox = MessageBox.ShowModal(this, $"{text} {part.name}", text);
-                    //Duration of the wave file in seconds
-                    int wavDurS = (int)(wavePart.fileDurationMs / 1000.0);
-                    var scheduler = TaskScheduler.FromCurrentSynchronizationContext();
-                    var transcribeTask = Task.Run(() => {
-                        using (var some = new Some()) {
-                            return some.Transcribe(DocManager.Inst.Project, wavePart, wavPosS => {
-                                //msgbox?.SetText($"{text} {part.name}\n{wavPosS}/{wavDurS}");
-                                msgbox.SetText(string.Format("{0} {1}\n{2}s / {3}s", text, part.name, wavPosS, wavDurS));
-                            });
-                        }
-                    });
-                    transcribeTask.ContinueWith(task => {
-                        msgbox?.Close();
-                        if (task.IsFaulted) {
-                            Log.Error(task.Exception, $"Failed to transcribe part {part.name}");
-                            MessageBox.ShowError(this, task.Exception);
-                            return;
-                        }
-                        var voicePart = task.Result;
-                        //Add voicePart into project
-                        if (voicePart != null) {
-                            var project = DocManager.Inst.Project;
-                            var track = new UTrack(project);
-                            track.TrackNo = project.tracks.Count;
-                            voicePart.trackNo = track.TrackNo;
-                            DocManager.Inst.StartUndoGroup();
-                            DocManager.Inst.ExecuteCmd(new AddTrackCommand(project, track));
-                            DocManager.Inst.ExecuteCmd(new AddPartCommand(project, voicePart));
-                            DocManager.Inst.EndUndoGroup();
-                        }
-                    }, scheduler);
-                } catch (Exception e) {
-                    Log.Error(e, $"Failed to transcribe part {part.name}");
-                    MessageBox.ShowError(this, e);
-                }
-            }
-        }
-
-        async void ValidateTracksVoiceColor() {
-            DocManager.Inst.StartUndoGroup();
-            foreach (var track in DocManager.Inst.Project.tracks) {
-                if (track.ValidateVoiceColor(out var oldColors, out var newColors)) {
-                    await VoiceColorRemappingAsync(track, oldColors, newColors);
-                }
-            }
-            DocManager.Inst.EndUndoGroup();
-        }
-        async Task VoiceColorRemappingAsync(UTrack track, string[] oldColors, string[] newColors) {
-            var parts = DocManager.Inst.Project.parts
-                .Where(part => part.trackNo == track.TrackNo && part is UVoicePart)
-                .Cast<UVoicePart>()
-                .Where(vpart => vpart.notes.Count > 0);
-            if (parts.Any()) {
-                var dialog = new VoiceColorMappingDialog();
-                VoiceColorMappingViewModel vm = new VoiceColorMappingViewModel(oldColors, newColors, track.TrackName);
-                dialog.DataContext = vm;
-                await dialog.ShowDialog(this);
-
-                if (dialog.Apply) {
-                    SetVoiceColorRemapping(track, parts, vm);
-                }
-            }
-        }
-        void VoiceColorRemapping(UTrack track, string[] oldColors, string[] newColors) {
-            var parts = DocManager.Inst.Project.parts
-                .Where(part => part.trackNo == track.TrackNo && part is UVoicePart)
-                .Cast<UVoicePart>()
-                .Where(vpart => vpart.notes.Count > 0);
-            if (parts.Any()) {
-                var dialog = new VoiceColorMappingDialog();
-                VoiceColorMappingViewModel vm = new VoiceColorMappingViewModel(oldColors, newColors, track.TrackName);
-                dialog.DataContext = vm;
-                dialog.onFinish = () => {
-                    DocManager.Inst.StartUndoGroup();
-                    SetVoiceColorRemapping(track, parts, vm);
-                    DocManager.Inst.EndUndoGroup();
-                };
-                dialog.ShowDialog(this);
-            }
-        }
-        void SetVoiceColorRemapping(UTrack track, IEnumerable<UVoicePart> parts, VoiceColorMappingViewModel vm) {
-            foreach (var part in parts) {
-                foreach (var phoneme in part.phonemes) {
-                    var tuple = phoneme.GetExpression(DocManager.Inst.Project, track, Ustx.CLR);
-                    if (vm.ColorMappings.Any(m => m.OldIndex == tuple.Item1)) {
-                        var mapping = vm.ColorMappings.First(m => m.OldIndex == tuple.Item1);
-                        if (mapping.OldIndex != mapping.SelectedIndex) {
-                            if (mapping.SelectedIndex == 0) {
-                                DocManager.Inst.ExecuteCmd(new SetPhonemeExpressionCommand(DocManager.Inst.Project, track, part, phoneme, Ustx.CLR, null));
-                            } else {
-                                DocManager.Inst.ExecuteCmd(new SetPhonemeExpressionCommand(DocManager.Inst.Project, track, part, phoneme, Ustx.CLR, mapping.SelectedIndex));
-                            }
-                        }
-                    } else {
-                        DocManager.Inst.ExecuteCmd(new SetPhonemeExpressionCommand(DocManager.Inst.Project, track, part, phoneme, Ustx.CLR, null));
-                    }
-                }
-            }
-        }
-
-        public async void WindowClosing(object? sender, WindowClosingEventArgs e) {
-            if (forceClose || DocManager.Inst.ChangesSaved) {
-                if (Preferences.Default.ClearCacheOnQuit) {
-                    Log.Information("Clearing cache...");
-                    PathManager.Inst.ClearCache();
-                    Log.Information("Cache cleared.");
-                }
-                return;
-            }
-            e.Cancel = true;
-            if (!await AskIfSaveAndContinue()) {
-                return;
-            }
-            pianoRollWindow?.Close();
-            forceClose = true;
-            Close();
-        }
-
-        private async Task<bool> AskIfSaveAndContinue() {
-            var result = await MessageBox.Show(
-                this,
-                ThemeManager.GetString("dialogs.exitsave.message"),
-                ThemeManager.GetString("dialogs.exitsave.caption"),
-                MessageBox.MessageBoxButtons.YesNoCancel);
-            switch (result) {
-                case MessageBox.MessageBoxResult.Yes:
-                    await Save();
-                    goto case MessageBox.MessageBoxResult.No;
-                case MessageBox.MessageBoxResult.No:
-                    return true; // Continue.
-                default:
-                    return false; // Cancel.
-            }
-        }
-
-        public void OnNext(UCommand cmd, bool isUndo) {
-            if (cmd is ErrorMessageNotification notif) {
-                switch (notif.e) {
-                    case Core.Render.NoResamplerException:
-                    case Core.Render.NoWavtoolException:
-                        MessageBox.Show(
-                           this,
-                           ThemeManager.GetString("dialogs.noresampler.message"),
-                           ThemeManager.GetString("dialogs.noresampler.caption"),
-                           MessageBox.MessageBoxButtons.Ok);
-                        break;
-                    default:
-                        MessageBox.ShowError(this, notif.e, notif.message, true);
-                        break;
-                }
-            } else if (cmd is LoadingNotification loadingNotif && loadingNotif.window == typeof(MainWindow)) {
-                if (loadingNotif.startLoading) {
-                    MessageBox.ShowLoading(this);
-                } else {
-                    MessageBox.CloseLoading();
-                }
-            } else if (cmd is VoiceColorRemappingNotification voicecolorNotif) {
-                if (voicecolorNotif.TrackNo < 0 || DocManager.Inst.Project.tracks.Count <= voicecolorNotif.TrackNo) {
-                    ValidateTracksVoiceColor();
-                } else {
-                    UTrack track = DocManager.Inst.Project.tracks[voicecolorNotif.TrackNo];
-                    if (!voicecolorNotif.Validate) {
-                        VoiceColorRemapping(track, track.VoiceColorNames, track.VoiceColorExp.options);
-                    } else if (track.ValidateVoiceColor(out var oldColors, out var newColors)) {
-                        VoiceColorRemapping(track, oldColors, newColors);
-                    }
-                }
-            }
-        }
-    }
-}
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.IO;
+using System.Linq;
+using System.Reactive;
+using System.Threading;
+using System.Threading.Tasks;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Controls.Primitives;
+using Avalonia.Input;
+using Avalonia.Interactivity;
+using Avalonia.Threading;
+using OpenUtau.App.Controls;
+using OpenUtau.App.ViewModels;
+using OpenUtau.Classic;
+using OpenUtau.Core;
+using OpenUtau.Core.Analysis.Some;
+using OpenUtau.Core.DiffSinger;
+using OpenUtau.Core.Format;
+using OpenUtau.Core.Ustx;
+using OpenUtau.Core.Util;
+using ReactiveUI;
+using Serilog;
+using Point = Avalonia.Point;
+
+namespace OpenUtau.App.Views {
+    public partial class MainWindow : Window, ICmdSubscriber {
+        private readonly KeyModifiers cmdKey =
+            OS.IsMacOS() ? KeyModifiers.Meta : KeyModifiers.Control;
+        private readonly MainWindowViewModel viewModel;
+
+        private PianoRollWindow? pianoRollWindow;
+        private bool openPianoRollWindow;
+
+        private PartEditState? partEditState;
+        private readonly DispatcherTimer timer;
+        private readonly DispatcherTimer autosaveTimer;
+        private bool forceClose;
+
+        private bool shouldOpenPartsContextMenu;
+
+        private readonly ReactiveCommand<UPart, Unit> PartRenameCommand;
+        private readonly ReactiveCommand<UPart, Unit> PartGotoFileCommand;
+        private readonly ReactiveCommand<UPart, Unit> PartReplaceAudioCommand;
+        private readonly ReactiveCommand<UPart, Unit> PartTranscribeCommand;
+
+        public MainWindow() {
+            Log.Information("Creating main window.");
+            InitializeComponent();
+            Log.Information("Initialized main window component.");
+            DataContext = viewModel = new MainWindowViewModel();
+
+            viewModel.InitProject();
+            viewModel.AddTempoChangeCmd = ReactiveCommand.Create<int>(tick => AddTempoChange(tick));
+            viewModel.DelTempoChangeCmd = ReactiveCommand.Create<int>(tick => DelTempoChange(tick));
+            viewModel.AddTimeSigChangeCmd = ReactiveCommand.Create<int>(bar => AddTimeSigChange(bar));
+            viewModel.DelTimeSigChangeCmd = ReactiveCommand.Create<int>(bar => DelTimeSigChange(bar));
+
+            timer = new DispatcherTimer(
+                TimeSpan.FromMilliseconds(15),
+                DispatcherPriority.Normal,
+                (sender, args) => PlaybackManager.Inst.UpdatePlayPos());
+            timer.Start();
+
+            autosaveTimer = new DispatcherTimer(
+                TimeSpan.FromSeconds(30),
+                DispatcherPriority.Normal,
+                (sender, args) => DocManager.Inst.AutoSave());
+            autosaveTimer.Start();
+
+            PartRenameCommand = ReactiveCommand.Create<UPart>(part => RenamePart(part));
+            PartGotoFileCommand = ReactiveCommand.Create<UPart>(part => GotoFile(part));
+            PartReplaceAudioCommand = ReactiveCommand.Create<UPart>(part => ReplaceAudio(part));
+            PartTranscribeCommand = ReactiveCommand.Create<UPart>(part => Transcribe(part));
+
+            AddHandler(DragDrop.DropEvent, OnDrop);
+
+            DocManager.Inst.AddSubscriber(this);
+
+            if (Preferences.Default.CheckForUpdateOnStart) {
+                Log.Information("Main window checking Update.");
+                UpdaterDialog.CheckForUpdate(
+                    dialog => dialog.Show(this),
+                    () => (Application.Current?.ApplicationLifetime as IControlledApplicationLifetime)?.Shutdown(),
+                    TaskScheduler.FromCurrentSynchronizationContext());
+            }
+            Log.Information("Created main window.");
+        }
+
+        void OnEditTimeSignature(object sender, PointerPressedEventArgs args) {
+            var project = DocManager.Inst.Project;
+            var timeSig = project.timeSignatures[0];
+            var dialog = new TimeSignatureDialog(timeSig.beatPerBar, timeSig.beatUnit);
+            dialog.OnOk = (beatPerBar, beatUnit) => {
+                viewModel.PlaybackViewModel.SetTimeSignature(beatPerBar, beatUnit);
+            };
+            dialog.ShowDialog(this);
+            // Workaround for https://github.com/AvaloniaUI/Avalonia/issues/3986
+            args.Pointer.Capture(null);
+        }
+
+        void OnEditBpm(object sender, PointerPressedEventArgs args) {
+            var project = DocManager.Inst.Project;
+            var dialog = new TypeInDialog();
+            dialog.Title = "BPM";
+            dialog.SetText(project.tempos[0].bpm.ToString());
+            dialog.onFinish = s => {
+                if (double.TryParse(s, out double bpm)) {
+                    viewModel.PlaybackViewModel.SetBpm(bpm);
+                }
+            };
+            dialog.ShowDialog(this);
+            // Workaround for https://github.com/AvaloniaUI/Avalonia/issues/3986
+            args.Pointer.Capture(null);
+        }
+
+        private void AddTempoChange(int tick) {
+            var project = DocManager.Inst.Project;
+            var dialog = new TypeInDialog {
+                Title = "BPM"
+            };
+            dialog.SetText(project.tempos[0].bpm.ToString());
+            dialog.onFinish = s => {
+                if (double.TryParse(s, out double bpm)) {
+                    DocManager.Inst.StartUndoGroup();
+                    DocManager.Inst.ExecuteCmd(new AddTempoChangeCommand(
+                        project, tick, bpm));
+                    DocManager.Inst.EndUndoGroup();
+                }
+            };
+            dialog.ShowDialog(this);
+        }
+
+        private void DelTempoChange(int tick) {
+            var project = DocManager.Inst.Project;
+            DocManager.Inst.StartUndoGroup();
+            DocManager.Inst.ExecuteCmd(new DelTempoChangeCommand(project, tick));
+            DocManager.Inst.EndUndoGroup();
+        }
+
+
+
+        void OnMenuRemapTimeaxis(object sender, RoutedEventArgs e) {
+            var project = DocManager.Inst.Project;
+            var dialog = new TypeInDialog {
+                Title = ThemeManager.GetString("menu.project.remaptimeaxis")
+            };
+            dialog.Height = 200;
+            dialog.SetPrompt(ThemeManager.GetString("dialogs.remaptimeaxis.message"));
+            dialog.SetText(project.tempos[0].bpm.ToString());
+            dialog.onFinish = s => {
+                try {
+                    if (double.TryParse(s, out double bpm)) {
+                        DocManager.Inst.StartUndoGroup();
+                        var oldTimeAxis = project.timeAxis.Clone();
+                        DocManager.Inst.ExecuteCmd(new BpmCommand(
+                            project, bpm));
+                        foreach (var tempo in project.tempos.Skip(1)) {
+                            DocManager.Inst.ExecuteCmd(new DelTempoChangeCommand(
+                                project, tempo.position));
+                        }
+                        viewModel.RemapTimeAxis(oldTimeAxis, project.timeAxis.Clone());
+                        DocManager.Inst.EndUndoGroup();
+                    }
+                } catch (Exception e) {
+                    Log.Error(e, "Failed to open project location");
+                    MessageBox.ShowError(this, new MessageCustomizableException("Failed to open project location", "<translate:errors.failed.openlocation>: project location", e));
+                }
+            };
+            dialog.ShowDialog(this);
+        }
+
+        private void AddTimeSigChange(int bar) {
+            var project = DocManager.Inst.Project;
+            var timeSig = project.timeAxis.TimeSignatureAtBar(bar);
+            var dialog = new TimeSignatureDialog(timeSig.beatPerBar, timeSig.beatUnit);
+            dialog.OnOk = (beatPerBar, beatUnit) => {
+                DocManager.Inst.StartUndoGroup();
+                DocManager.Inst.ExecuteCmd(new AddTimeSigCommand(
+                    project, bar, dialog.BeatPerBar, dialog.BeatUnit));
+                DocManager.Inst.EndUndoGroup();
+            };
+            dialog.ShowDialog(this);
+        }
+
+        private void DelTimeSigChange(int bar) {
+            var project = DocManager.Inst.Project;
+            DocManager.Inst.StartUndoGroup();
+            DocManager.Inst.ExecuteCmd(new DelTimeSigCommand(project, bar));
+            DocManager.Inst.EndUndoGroup();
+        }
+
+        void OnMenuNew(object sender, RoutedEventArgs args) => NewProject();
+        async void NewProject() {
+            if (!DocManager.Inst.ChangesSaved && !await AskIfSaveAndContinue()) {
+                return;
+            }
+            viewModel.NewProject();
+        }
+
+        void OnMenuOpen(object sender, RoutedEventArgs args) => Open();
+        async void Open() {
+            if (!DocManager.Inst.ChangesSaved && !await AskIfSaveAndContinue()) {
+                return;
+            }
+            var files = await FilePicker.OpenFilesAboutProject(
+                this, "menu.file.open",
+                FilePicker.ProjectFiles,
+                FilePicker.USTX,
+                FilePicker.VSQX,
+                FilePicker.UST,
+                FilePicker.MIDI,
+                FilePicker.UFDATA);
+            if (files == null || files.Length == 0) {
+                return;
+            }
+            try {
+                viewModel.OpenProject(files);
+            } catch (Exception e) {
+                Log.Error(e, $"Failed to open files {string.Join("\n", files)}");
+                _ = await MessageBox.ShowError(this, new MessageCustomizableException($"Failed to open files {string.Join("\n", files)}", $"<translate:errors.failed.openfile>:\n{string.Join("\n", files)}", e));
+            }
+        }
+
+        void OnMainMenuOpened(object sender, RoutedEventArgs args) {
+            viewModel.RefreshOpenRecent();
+            viewModel.RefreshTemplates();
+            viewModel.RefreshCacheSize();
+        }
+
+        void OnMainMenuClosed(object sender, RoutedEventArgs args) {
+            Focus(); // Force unfocus menu for key down events.
+        }
+
+        void OnMainMenuPointerLeave(object sender, PointerEventArgs args) {
+            Focus(); // Force unfocus menu for key down events.
+        }
+
+        void OnMenuOpenProjectLocation(object sender, RoutedEventArgs args) {
+            var project = DocManager.Inst.Project;
+            if (string.IsNullOrEmpty(project.FilePath) || !project.Saved) {
+                MessageBox.Show(
+                    this,
+                    ThemeManager.GetString("dialogs.export.savefirst"),
+                    ThemeManager.GetString("errors.caption"),
+                    MessageBox.MessageBoxButtons.Ok);
+            }
+            try {
+                var dir = Path.GetDirectoryName(project.FilePath);
+                if (dir != null) {
+                    OS.OpenFolder(dir);
+                } else {
+                    Log.Error($"Failed to get project location from {dir}.");
+                }
+            } catch (Exception e) {
+                Log.Error(e, "Failed to open project location.");
+                MessageBox.ShowError(this, new MessageCustomizableException("Failed to open project location.", "<translate:errors.failed.openlocation>: project location", e));
+            }
+        }
+
+        async void OnMenuSave(object sender, RoutedEventArgs args) => await Save();
+        public async Task Save() {
+            if (!viewModel.ProjectSaved) {
+                await SaveAs();
+            } else {
+                viewModel.SaveProject();
+                string message = ThemeManager.GetString("progress.saved");
+                message = string.Format(message, DateTime.Now);
+                DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, message));
+            }
+        }
+
+        async void OnMenuSaveAs(object sender, RoutedEventArgs args) => await SaveAs();
+        async Task SaveAs() {
+            var file = await FilePicker.SaveFileAboutProject(
+                this, "menu.file.saveas", FilePicker.USTX);
+            if (!string.IsNullOrEmpty(file)) {
+                viewModel.SaveProject(file);
+            }
+        }
+
+        void OnMenuSaveTemplate(object sender, RoutedEventArgs args) {
+            var project = DocManager.Inst.Project;
+            var dialog = new TypeInDialog();
+            dialog.Title = ThemeManager.GetString("menu.file.savetemplate");
+            dialog.SetText("default");
+            dialog.onFinish = file => {
+                if (string.IsNullOrEmpty(file)) {
+                    return;
+                }
+                file = Path.GetFileNameWithoutExtension(file);
+                file = $"{file}.ustx";
+                file = Path.Combine(PathManager.Inst.TemplatesPath, file);
+                Ustx.Save(file, project.CloneAsTemplate());
+            };
+            dialog.ShowDialog(this);
+        }
+
+        async void OnMenuImportTracks(object sender, RoutedEventArgs args) {
+            var files = await FilePicker.OpenFilesAboutProject(
+                this, "menu.file.importtracks",
+                FilePicker.ProjectFiles,
+                FilePicker.USTX,
+                FilePicker.VSQX,
+                FilePicker.UST,
+                FilePicker.MIDI,
+                FilePicker.UFDATA);
+            if (files == null || files.Length == 0) {
+                return;
+            }
+            try {
+                var loadedProjects = Formats.ReadProjects(files);
+                if (loadedProjects == null || loadedProjects.Length == 0) {
+                    return;
+                }
+                bool importTempo = true;
+                switch (Preferences.Default.ImportTempo) {
+                    case 1:
+                        importTempo = false;
+                        break;
+                    case 2:
+                        if (loadedProjects[0].tempos.Count == 0) {
+                            importTempo = false;
+                            break;
+                        }
+                        var tempoString = String.Join("\n",
+                            loadedProjects[0].tempos
+                                .Select(tempo => $"position: {tempo.position}, tempo: {tempo.bpm}")
+                            );
+                        //ask the user
+                        var result = await MessageBox.Show(
+                            this,
+                            ThemeManager.GetString("dialogs.importtracks.importtempo") + "\n" + tempoString,
+                            ThemeManager.GetString("dialogs.importtracks.caption"),
+                            MessageBox.MessageBoxButtons.YesNo);
+                        if (result == MessageBox.MessageBoxResult.No) {
+                            importTempo = false;
+                        }
+                        break;
+                }
+                viewModel.ImportTracks(loadedProjects, importTempo);
+            } catch (Exception e) {
+                Log.Error(e, $"Failed to import files");
+                _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import files", "<translate:errors.failed.importfiles>", e));
+            }
+            ValidateTracksVoiceColor();
+        }
+
+        async void OnMenuImportAudio(object sender, RoutedEventArgs args) {
+            var file = await FilePicker.OpenFileAboutProject(
+                this, "menu.file.importaudio", FilePicker.AudioFiles);
+            if (file == null) {
+                return;
+            }
+            try {
+                viewModel.ImportAudio(file);
+            } catch (Exception e) {
+                Log.Error(e, "Failed to import audio");
+                _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import audio", "<translate:errors.failed.importaudio>", e));
+            }
+        }
+
+        async void OnMenuImportMidi(object sender, RoutedEventArgs args) {
+            var file = await FilePicker.OpenFileAboutProject(
+                this, "menu.file.importmidi", FilePicker.MIDI);
+            if (file == null) {
+                return;
+            }
+            try {
+                viewModel.ImportMidi(file);
+            } catch (Exception e) {
+                Log.Error(e, "Failed to import midi");
+                _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import midi", "<translate:errors.failed.importmidi>", e));
+            }
+        }
+
+        async void OnMenuExportMixdown(object sender, RoutedEventArgs args) {
+            var project = DocManager.Inst.Project;
+            var file = await FilePicker.SaveFileAboutProject(
+                this, "menu.file.exportmixdown", FilePicker.WAV);
+            if (!string.IsNullOrEmpty(file)) {
+                await PlaybackManager.Inst.RenderMixdown(project, file);
+            }
+        }
+
+        async void OnMenuExportWav(object sender, RoutedEventArgs args) {
+            var project = DocManager.Inst.Project;
+            if (await WarnToSave(project)) {
+                var name = Path.GetFileNameWithoutExtension(project.FilePath);
+                var path = Path.GetDirectoryName(project.FilePath);
+                path = Path.Combine(path!, "Export", $"{name}.wav");
+                await PlaybackManager.Inst.RenderToFiles(project, path);
+            }
+        }
+
+        async void OnMenuExportWavTo(object sender, RoutedEventArgs args) {
+            var project = DocManager.Inst.Project;
+            var file = await FilePicker.SaveFileAboutProject(
+                this, "menu.file.exportwavto", FilePicker.WAV);
+            if (!string.IsNullOrEmpty(file)) {
+                await PlaybackManager.Inst.RenderToFiles(project, file);
+            }
+        }
+
+        async void OnMenuExportDsTo(object sender, RoutedEventArgs e) {
+            var project = DocManager.Inst.Project;
+            var file = await FilePicker.SaveFileAboutProject(
+                this, "menu.file.exportds", FilePicker.DS);
+            if (!string.IsNullOrEmpty(file)) {
+                for (var i = 0; i < project.parts.Count; i++) {
+                    var part = project.parts[i];
+                    if (part is UVoicePart voicePart) {
+                        var savePath = PathManager.Inst.GetPartSavePath(file, voicePart.DisplayName, i)[..^4] + ".ds";
+                        DiffSingerScript.SavePart(project, voicePart, savePath);
+                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
+                    }
+                }
+            }
+        }
+
+        async void OnMenuExportDsV2To(object sender, RoutedEventArgs e) {
+            var project = DocManager.Inst.Project;
+            var file = await FilePicker.SaveFileAboutProject(
+                this, "menu.file.exportds.v2", FilePicker.DS);
+            if (!string.IsNullOrEmpty(file)) {
+                for (var i = 0; i < project.parts.Count; i++) {
+                    var part = project.parts[i];
+                    if (part is UVoicePart voicePart) {
+                        var savePath = PathManager.Inst.GetPartSavePath(file, voicePart.DisplayName, i)[..^4] + ".ds";
+                        DiffSingerScript.SavePart(project, voicePart, savePath, true);
+                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
+                    }
+                }
+            }
+        }
+
+        async void OnMenuExportDsV2WithoutPitchTo(object sender, RoutedEventArgs e) {
+            var project = DocManager.Inst.Project;
+            var file = await FilePicker.SaveFileAboutProject(
+                this, "menu.file.exportds.v2withoutpitch", FilePicker.DS);
+            if (!string.IsNullOrEmpty(file)) {
+                for (var i = 0; i < project.parts.Count; i++) {
+                    var part = project.parts[i];
+                    if (part is UVoicePart voicePart) {
+                        var savePath = PathManager.Inst.GetPartSavePath(file, voicePart.DisplayName, i)[..^4] + ".ds";
+                        DiffSingerScript.SavePart(project, voicePart, savePath, true, false);
+                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
+                    }
+                }
+            }
+        }
+
+        async void OnMenuExportUst(object sender, RoutedEventArgs e) {
+            var project = DocManager.Inst.Project;
+            if (await WarnToSave(project)) {
+                var name = Path.GetFileNameWithoutExtension(project.FilePath);
+                var path = Path.GetDirectoryName(project.FilePath);
+                path = Path.Combine(path!, "Export", $"{name}.ust");
+                for (var i = 0; i < project.parts.Count; i++) {
+                    var part = project.parts[i];
+                    if (part is UVoicePart voicePart) {
+                        var savePath = PathManager.Inst.GetPartSavePath(path, voicePart.DisplayName, i);
+                        Ust.SavePart(project, voicePart, savePath);
+                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
+                    }
+                }
+            }
+        }
+
+        async void OnMenuExportUstTo(object sender, RoutedEventArgs e) {
+            var project = DocManager.Inst.Project;
+            var file = await FilePicker.SaveFileAboutProject(
+                this, "menu.file.exportustto", FilePicker.UST);
+            if (!string.IsNullOrEmpty(file)) {
+                for (var i = 0; i < project.parts.Count; i++) {
+                    var part = project.parts[i];
+                    if (part is UVoicePart voicePart) {
+                        var savePath = PathManager.Inst.GetPartSavePath(file, voicePart.DisplayName, i);
+                        Ust.SavePart(project, voicePart, savePath);
+                        DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, $"{savePath}."));
+                    }
+                }
+            }
+        }
+
+        async void OnMenuExportMidi(object sender, RoutedEventArgs e) {
+            var project = DocManager.Inst.Project;
+            var file = await FilePicker.SaveFileAboutProject(
+                this, "menu.file.exportmidi", FilePicker.MIDI);
+            if (!string.IsNullOrEmpty(file)) {
+                MidiWriter.Save(file, project);
+            }
+        }
+
+        private async Task<bool> WarnToSave(UProject project) {
+            if (string.IsNullOrEmpty(project.FilePath)) {
+                await MessageBox.Show(
+                    this,
+                    ThemeManager.GetString("dialogs.export.savefirst"),
+                    ThemeManager.GetString("dialogs.export.caption"),
+                    MessageBox.MessageBoxButtons.Ok);
+                return false;
+            }
+            return true;
+        }
+
+        void OnMenuUndo(object sender, RoutedEventArgs args) => viewModel.Undo();
+        void OnMenuRedo(object sender, RoutedEventArgs args) => viewModel.Redo();
+
+        void OnMenuExpressionss(object sender, RoutedEventArgs args) {
+            var dialog = new ExpressionsDialog() {
+                DataContext = new ExpressionsViewModel(),
+            };
+            dialog.ShowDialog(this);
+            if (dialog.Position.Y < 0) {
+                dialog.Position = dialog.Position.WithY(0);
+            }
+        }
+
+        void OnMenuSingers(object sender, RoutedEventArgs args) {
+            OpenSingersWindow();
+        }
+
+        /// <summary>
+        /// Check if a track has a singer and if it exists.
+        /// If the user haven't selected a singer for the track, or the singer specified in ustx project doesn't exist, return null.
+        /// Otherwise, return the singer.
+        /// </summary>
+        public USinger? TrackSingerIfFound(UTrack track) {
+            if (track.Singer?.Found ?? false) {
+                return track.Singer;
+            }
+            return null;
+        }
+
+        public void OpenSingersWindow() {
+            var lifetime = Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime;
+            if (lifetime == null) {
+                return;
+            }
+
+            MessageBox.ShowLoading(this);
+            var dialog = lifetime.Windows.FirstOrDefault(w => w is SingersDialog);
+            try {
+                if (dialog == null) {
+                    USinger? singer = null;
+                    if (viewModel.TracksViewModel.SelectedParts.Count > 0) {
+                        singer = TrackSingerIfFound(viewModel.TracksViewModel.Tracks[viewModel.TracksViewModel.SelectedParts.First().trackNo]);
+                    }
+                    if (singer == null && viewModel.TracksViewModel.Tracks.Count > 0) {
+                        singer = TrackSingerIfFound(viewModel.TracksViewModel.Tracks.First());
+                    }
+                    var vm = new SingersViewModel();
+                    if (singer != null) {
+                        vm.Singer = singer;
+                    }
+                    dialog = new SingersDialog() { DataContext = vm };
+                    dialog.Show();
+                }
+                if (dialog.Position.Y < 0) {
+                    dialog.Position = dialog.Position.WithY(0);
+                }
+            } catch (Exception e) {
+                DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
+            } finally {
+                MessageBox.CloseLoading();
+            }
+            if (dialog != null) {
+                dialog.Activate();
+            }
+        }
+
+        async void OnMenuInstallSinger(object sender, RoutedEventArgs args) {
+            var file = await FilePicker.OpenFileAboutSinger(
+                this, "menu.tools.singer.install", FilePicker.ArchiveFiles);
+            if (file == null) {
+                return;
+            }
+            try {
+                if (file.EndsWith(Core.Vogen.VogenSingerInstaller.FileExt)) {
+                    Core.Vogen.VogenSingerInstaller.Install(file);
+                    return;
+                }
+                if (file.EndsWith(DependencyInstaller.FileExt)) {
+                    DependencyInstaller.Install(file);
+                    return;
+                }
+
+                var setup = new SingerSetupDialog() {
+                    DataContext = new SingerSetupViewModel() {
+                        ArchiveFilePath = file,
+                    },
+                };
+                _ = setup.ShowDialog(this);
+                if (setup.Position.Y < 0) {
+                    setup.Position = setup.Position.WithY(0);
+                }
+            } catch (Exception e) {
+                Log.Error(e, $"Failed to install singer {file}");
+                MessageCustomizableException mce;
+                if (e is MessageCustomizableException) {
+                    mce = (MessageCustomizableException)e;
+                } else {
+                    mce = new MessageCustomizableException($"Failed to install singer {file}", $"<translate:errors.failed.installsinger>: {file}", e);
+                }
+                _ = await MessageBox.ShowError(this, mce);
+            }
+        }
+
+        async void OnMenuInstallDependency(object sender, RoutedEventArgs args) {
+            var file = await FilePicker.OpenFile(
+                this, "menu.tools.dependency.install", FilePicker.OUDEP);
+            if (file == null) {
+                return;
+            }
+            if (file.EndsWith(DependencyInstaller.FileExt)) {
+                DependencyInstaller.Install(file);
+                return;
+            }
+        }
+
+        void OnMenuPreferences(object sender, RoutedEventArgs args) {
+            PreferencesViewModel dataContext;
+            try {
+                dataContext = new PreferencesViewModel();
+            } catch (Exception e) {
+                Log.Error(e, "Failed to load prefs. Initialize it.");
+                MessageBox.ShowError(this, new MessageCustomizableException("Failed to load prefs. Initialize it.", "<translate:errors.failed.loadprefs>", e));
+                Preferences.Reset();
+                dataContext = new PreferencesViewModel();
+            }
+            var dialog = new PreferencesDialog() {
+                DataContext = dataContext
+            };
+            dialog.ShowDialog(this);
+            if (dialog.Position.Y < 0) {
+                dialog.Position = dialog.Position.WithY(0);
+            }
+        }
+
+        void OnMenuClearCache(object sender, RoutedEventArgs args) {
+            Task.Run(() => {
+                DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, "Clearing cache..."));
+                PathManager.Inst.ClearCache();
+                DocManager.Inst.ExecuteCmd(new ProgressBarNotification(0, "Cache cleared."));
+            });
+        }
+
+        void OnMenuDebugWindow(object sender, RoutedEventArgs args) {
+            var desktop = Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime;
+            if (desktop == null) {
+                return;
+            }
+            var window = desktop.Windows.FirstOrDefault(w => w is DebugWindow);
+            if (window == null) {
+                window = new DebugWindow();
+            }
+            window.Show();
+        }
+
+        void OnMenuPhoneticAssistant(object sender, RoutedEventArgs args) {
+            var desktop = Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime;
+            if (desktop == null) {
+                return;
+            }
+            var window = desktop.Windows.FirstOrDefault(w => w is PhoneticAssistant);
+            if (window == null) {
+                window = new PhoneticAssistant();
+            }
+            window.Show();
+        }
+
+        void OnMenuCheckUpdate(object sender, RoutedEventArgs args) {
+            var dialog = new UpdaterDialog();
+            dialog.ViewModel.CloseApplication =
+                () => (Application.Current?.ApplicationLifetime as IControlledApplicationLifetime)?.Shutdown();
+            dialog.ShowDialog(this);
+        }
+
+        void OnMenuLogsLocation(object sender, RoutedEventArgs args) {
+            try {
+                OS.OpenFolder(PathManager.Inst.LogsPath);
+            } catch (Exception e) {
+                DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
+            }
+        }
+
+        void OnMenuReportIssue(object sender, RoutedEventArgs args) {
+            try {
+                OS.OpenWeb("https://github.com/stakira/OpenUtau/issues");
+            } catch (Exception e) {
+                DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
+            }
+        }
+
+        void OnMenuWiki(object sender, RoutedEventArgs args) {
+            try {
+                OS.OpenWeb("https://github.com/stakira/OpenUtau/wiki/Getting-Started");
+            } catch (Exception e) {
+                DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
+            }
+        }
+
+        void OnMenuLayoutVSplit11(object sender, RoutedEventArgs args) => LayoutSplit(null, 1.0 / 2);
+        void OnMenuLayoutVSplit12(object sender, RoutedEventArgs args) => LayoutSplit(null, 1.0 / 3);
+        void OnMenuLayoutVSplit13(object sender, RoutedEventArgs args) => LayoutSplit(null, 1.0 / 4);
+        void OnMenuLayoutHSplit11(object sender, RoutedEventArgs args) => LayoutSplit(1.0 / 2, null);
+        void OnMenuLayoutHSplit12(object sender, RoutedEventArgs args) => LayoutSplit(1.0 / 3, null);
+        void OnMenuLayoutHSplit13(object sender, RoutedEventArgs args) => LayoutSplit(1.0 / 4, null);
+
+        private void LayoutSplit(double? x, double? y) {
+            if (Screens.Primary == null) {
+                return;
+            }
+            var wa = Screens.Primary.WorkingArea;
+            WindowState = WindowState.Normal;
+            double titleBarHeight = 20;
+            if (FrameSize != null) {
+                double borderThickness = (FrameSize!.Value.Width - ClientSize.Width) / 2;
+                titleBarHeight = FrameSize!.Value.Height - ClientSize.Height - borderThickness;
+            }
+            Position = new PixelPoint(0, 0);
+            Width = x != null ? wa.Size.Width * x.Value : wa.Size.Width;
+            Height = (y != null ? wa.Size.Height * y.Value : wa.Size.Height) - titleBarHeight;
+            if (pianoRollWindow != null) {
+                pianoRollWindow.Position = new PixelPoint(x != null ? (int)Width : 0, y != null ? (int)(Height + (OS.IsMacOS() ? 25 : titleBarHeight)) : 0);
+                pianoRollWindow.Width = x != null ? wa.Size.Width - Width : wa.Size.Width;
+                pianoRollWindow.Height = (y != null ? wa.Size.Height - (Height + titleBarHeight) : wa.Size.Height) - titleBarHeight;
+            }
+        }
+
+        void OnKeyDown(object sender, KeyEventArgs args) {
+            var tracksVm = viewModel.TracksViewModel;
+            if (args.KeyModifiers == KeyModifiers.None) {
+                args.Handled = true;
+                switch (args.Key) {
+                    case Key.Delete: viewModel.TracksViewModel.DeleteSelectedParts(); break;
+                    case Key.Space: PlayOrPause(); break;
+                    case Key.Home: viewModel.PlaybackViewModel.MovePlayPos(0); break;
+                    case Key.End:
+                        if (viewModel.TracksViewModel.Parts.Count > 0) {
+                            int endTick = viewModel.TracksViewModel.Parts.Max(part => part.End);
+                            viewModel.PlaybackViewModel.MovePlayPos(endTick);
+                        }
+                        break;
+                    default:
+                        args.Handled = false;
+                        break;
+                }
+            } else if (args.KeyModifiers == KeyModifiers.Alt) {
+                args.Handled = true;
+                switch (args.Key) {
+                    case Key.F4:
+                        (Application.Current?.ApplicationLifetime as IControlledApplicationLifetime)?.Shutdown();
+                        break;
+                    default:
+                        args.Handled = false;
+                        break;
+                }
+            } else if (args.KeyModifiers == cmdKey) {
+                args.Handled = true;
+                switch (args.Key) {
+                    case Key.A: viewModel.TracksViewModel.SelectAllParts(); break;
+                    case Key.N: NewProject(); break;
+                    case Key.O: Open(); break;
+                    case Key.S: _ = Save(); break;
+                    case Key.Z: viewModel.Undo(); break;
+                    case Key.Y: viewModel.Redo(); break;
+                    case Key.C: tracksVm.CopyParts(); break;
+                    case Key.X: tracksVm.CutParts(); break;
+                    case Key.V: tracksVm.PasteParts(); break;
+                    default:
+                        args.Handled = false;
+                        break;
+                }
+            } else if (args.KeyModifiers == KeyModifiers.Shift) {
+                args.Handled = true;
+                switch (args.Key) {
+                    // solo
+                    case Key.S:
+                        if (viewModel.TracksViewModel.SelectedParts.Count > 0) {
+                            var part = viewModel.TracksViewModel.SelectedParts.First();
+                            var track = DocManager.Inst.Project.tracks[part.trackNo];
+                            MessageBus.Current.SendMessage(new TracksSoloEvent(part.trackNo, !track.Solo, false));
+                        }
+                        break;
+                    // mute
+                    case Key.M:
+                        if (viewModel.TracksViewModel.SelectedParts.Count > 0) {
+                            var part = viewModel.TracksViewModel.SelectedParts.First();
+                            MessageBus.Current.SendMessage(new TracksMuteEvent(part.trackNo, false));
+                        }
+                        break;
+                    default:
+                        args.Handled = false;
+                        break;
+                }
+            } else if (args.KeyModifiers == (cmdKey | KeyModifiers.Shift)) {
+                args.Handled = true;
+                switch (args.Key) {
+                    case Key.Z: viewModel.Redo(); break;
+                    case Key.S: _ = SaveAs(); break;
+                    default:
+                        args.Handled = false;
+                        break;
+                }
+            }
+        }
+
+        void OnPointerPressed(object? sender, PointerPressedEventArgs args) {
+            if (!args.Handled && args.ClickCount == 1) {
+                FocusManager?.ClearFocus();
+            }
+        }
+
+        async void OnDrop(object? sender, DragEventArgs args) {
+            var storageItem = args.Data?.GetFiles()?.FirstOrDefault();
+            if (storageItem == null) {
+                return;
+            }
+            string file = storageItem.Path.LocalPath;
+            var ext = Path.GetExtension(file);
+            if (ext == ".ustx" || ext == ".ust" || ext == ".vsqx" || ext == ".ufdata") {
+                if (!DocManager.Inst.ChangesSaved && !await AskIfSaveAndContinue()) {
+                    return;
+                }
+                try {
+                    viewModel.OpenProject(new string[] { file });
+                } catch (Exception e) {
+                    Log.Error(e, $"Failed to open file {file}");
+                    _ = await MessageBox.ShowError(this, new MessageCustomizableException($"Failed to open file {file}", $"<translate:errors.failed.openfile>: {file}", e));
+                }
+            } else if (ext == ".mid" || ext == ".midi") {
+                try {
+                    viewModel.ImportMidi(file);
+                } catch (Exception e) {
+                    Log.Error(e, "Failed to import midi");
+                    _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import midi", "<translate:errors.failed.importmidi>", e));
+                }
+            } else if (ext == ".zip" || ext == ".rar" || ext == ".uar") {
+                try {
+                    var setup = new SingerSetupDialog() {
+                        DataContext = new SingerSetupViewModel() {
+                            ArchiveFilePath = file,
+                        },
+                    };
+                    _ = setup.ShowDialog(this);
+                    if (setup.Position.Y < 0) {
+                        setup.Position = setup.Position.WithY(0);
+                    }
+                } catch (Exception e) {
+                    Log.Error(e, $"Failed to install singer {file}");
+                    MessageCustomizableException mce;
+                    if (e is MessageCustomizableException) {
+                        mce = (MessageCustomizableException)e;
+                    } else {
+                        mce = new MessageCustomizableException($"Failed to install singer {file}", $"<translate:errors.failed.installsinger>: {file}", e);
+                    }
+                    _ = await MessageBox.ShowError(this, mce);
+                }
+            } else if (ext == Core.Vogen.VogenSingerInstaller.FileExt) {
+                Core.Vogen.VogenSingerInstaller.Install(file);
+            } else if (ext == ".dll") {
+                var result = await MessageBox.Show(
+                    this,
+                    ThemeManager.GetString("dialogs.installdll.message") + file,
+                    ThemeManager.GetString("dialogs.installdll.caption"),
+                    MessageBox.MessageBoxButtons.OkCancel);
+                if (result == MessageBox.MessageBoxResult.Ok) {
+                    Core.Api.PhonemizerInstaller.Install(file);
+                }
+            } else if (ext == ".exe") {
+                var setup = new ExeSetupDialog() {
+                    DataContext = new ExeSetupViewModel(file)
+                };
+                _ = setup.ShowDialog(this);
+                if (setup.Position.Y < 0) {
+                    setup.Position = setup.Position.WithY(0);
+                }
+            } else if (ext == DependencyInstaller.FileExt) {
+                var result = await MessageBox.Show(
+                    this,
+                    ThemeManager.GetString("dialogs.installdependency.message") + file,
+                    ThemeManager.GetString("dialogs.installdependency.caption"),
+                    MessageBox.MessageBoxButtons.OkCancel);
+                if (result == MessageBox.MessageBoxResult.Ok) {
+                    DependencyInstaller.Install(file);
+                }
+            } else if (ext == ".mp3" || ext == ".wav" || ext == ".ogg" || ext == ".flac") {
+                try {
+                    viewModel.ImportAudio(file);
+                } catch (Exception e) {
+                    Log.Error(e, "Failed to import audio");
+                    _ = await MessageBox.ShowError(this, new MessageCustomizableException("Failed to import audio", "<translate:errors.failed.importaudio>", e));
+                }
+            } else {
+                _ = await MessageBox.Show(
+                    this,
+                    ThemeManager.GetString("dialogs.unsupportedfile.message") + ext,
+                    ThemeManager.GetString("dialogs.unsupportedfile.caption"),
+                    MessageBox.MessageBoxButtons.Ok);
+            }
+        }
+
+        void OnPlayOrPause(object sender, RoutedEventArgs args) {
+            PlayOrPause();
+        }
+
+        void PlayOrPause() {
+            viewModel.PlaybackViewModel.PlayOrPause();
+        }
+
+        public void HScrollPointerWheelChanged(object sender, PointerWheelEventArgs args) {
+            var scrollbar = (ScrollBar)sender;
+            scrollbar.Value = Math.Max(scrollbar.Minimum, Math.Min(scrollbar.Maximum, scrollbar.Value - scrollbar.SmallChange * args.Delta.Y));
+        }
+
+        public void VScrollPointerWheelChanged(object sender, PointerWheelEventArgs args) {
+            var scrollbar = (ScrollBar)sender;
+            scrollbar.Value = Math.Max(scrollbar.Minimum, Math.Min(scrollbar.Maximum, scrollbar.Value - scrollbar.SmallChange * args.Delta.Y));
+        }
+
+        public void TimelinePointerWheelChanged(object sender, PointerWheelEventArgs args) {
+            var control = (Control)sender;
+            var position = args.GetCurrentPoint((Visual)sender).Position;
+            var size = control.Bounds.Size;
+            position = position.WithX(position.X / size.Width).WithY(position.Y / size.Height);
+            viewModel.TracksViewModel.OnXZoomed(position, 0.1 * args.Delta.Y);
+        }
+
+        public void ViewScalerPointerWheelChanged(object sender, PointerWheelEventArgs args) {
+            viewModel.TracksViewModel.OnYZoomed(new Point(0, 0.5), 0.1 * args.Delta.Y);
+        }
+
+        public void TimelinePointerPressed(object sender, PointerPressedEventArgs args) {
+            var control = (Control)sender;
+            var point = args.GetCurrentPoint(control);
+            if (point.Properties.IsLeftButtonPressed) {
+                args.Pointer.Capture(control);
+                viewModel.TracksViewModel.PointToLineTick(point.Position, out int left, out int right);
+                viewModel.PlaybackViewModel.MovePlayPos(left);
+            } else if (point.Properties.IsRightButtonPressed) {
+                int tick = viewModel.TracksViewModel.PointToTick(point.Position);
+                viewModel.RefreshTimelineContextMenu(tick);
+            }
+        }
+
+        public void TimelinePointerMoved(object sender, PointerEventArgs args) {
+            var control = (Control)sender;
+            var point = args.GetCurrentPoint(control);
+            if (point.Properties.IsLeftButtonPressed) {
+                viewModel.TracksViewModel.PointToLineTick(point.Position, out int left, out int right);
+                viewModel.PlaybackViewModel.MovePlayPos(left);
+            }
+        }
+
+        public void TimelinePointerReleased(object sender, PointerReleasedEventArgs args) {
+            args.Pointer.Capture(null);
+        }
+
+        public void PartsCanvasPointerPressed(object sender, PointerPressedEventArgs args) {
+            var control = (Control)sender;
+            var point = args.GetCurrentPoint(control);
+            var hitControl = control.InputHitTest(point.Position);
+            if (partEditState != null) {
+                return;
+            }
+            if (point.Properties.IsLeftButtonPressed) {
+                if (args.KeyModifiers == cmdKey) {
+                    partEditState = new PartSelectionEditState(control, viewModel, SelectionBox);
+                    Cursor = ViewConstants.cursorCross;
+                } else if (hitControl == control) {
+                    viewModel.TracksViewModel.DeselectParts();
+                    var part = viewModel.TracksViewModel.MaybeAddPart(point.Position);
+                    if (part != null) {
+                        // Start moving right away
+                        partEditState = new PartMoveEditState(control, viewModel, part);
+                        Cursor = ViewConstants.cursorSizeAll;
+                    }
+                } else if (hitControl is PartControl partControl) {
+                    bool isVoice = partControl.part is UVoicePart;
+                    bool isWave = partControl.part is UWavePart;
+                    bool trim = point.Position.X > partControl.Bounds.Right - ViewConstants.ResizeMargin;
+                    bool skip = point.Position.X < partControl.Bounds.Left + ViewConstants.ResizeMargin;
+                    if (isVoice && trim) {
+                        partEditState = new PartResizeEditState(control, viewModel, partControl.part);
+                        Cursor = ViewConstants.cursorSizeWE;
+                    } else if (isWave && skip) {
+                        // TODO
+                    } else if (isWave && trim) {
+                        // TODO
+                    } else {
+                        partEditState = new PartMoveEditState(control, viewModel, partControl.part);
+                        Cursor = ViewConstants.cursorSizeAll;
+                    }
+                }
+            } else if (point.Properties.IsRightButtonPressed) {
+                if (hitControl is PartControl partControl) {
+                    if (!viewModel.TracksViewModel.SelectedParts.Contains(partControl.part)) {
+                        viewModel.TracksViewModel.DeselectParts();
+                        viewModel.TracksViewModel.SelectPart(partControl.part);
+                    }
+                    if (PartsContextMenu != null && viewModel.TracksViewModel.SelectedParts.Count > 0) {
+                        PartsContextMenu.DataContext = new PartsContextMenuArgs {
+                            Part = partControl.part,
+                            PartDeleteCommand = viewModel.PartDeleteCommand,
+                            PartGotoFileCommand = PartGotoFileCommand,
+                            PartReplaceAudioCommand = PartReplaceAudioCommand,
+                            PartRenameCommand = PartRenameCommand,
+                            PartTranscribeCommand = PartTranscribeCommand,
+                        };
+                        shouldOpenPartsContextMenu = true;
+                    }
+                } else {
+                    viewModel.TracksViewModel.DeselectParts();
+                }
+            } else if (point.Properties.IsMiddleButtonPressed) {
+                partEditState = new PartPanningState(control, viewModel);
+                Cursor = ViewConstants.cursorHand;
+            }
+            if (partEditState != null) {
+                partEditState.Begin(point.Pointer, point.Position);
+                partEditState.Update(point.Pointer, point.Position);
+            }
+        }
+
+        public void PartsCanvasPointerMoved(object sender, PointerEventArgs args) {
+            var control = (Control)sender;
+            var point = args.GetCurrentPoint(control);
+            if (partEditState != null) {
+                partEditState.Update(point.Pointer, point.Position);
+                return;
+            }
+            var hitControl = control.InputHitTest(point.Position);
+            if (hitControl is PartControl partControl) {
+                bool isVoice = partControl.part is UVoicePart;
+                bool isWave = partControl.part is UWavePart;
+                bool trim = point.Position.X > partControl.Bounds.Right - ViewConstants.ResizeMargin;
+                bool skip = point.Position.X < partControl.Bounds.Left + ViewConstants.ResizeMargin;
+                if (isVoice && trim) {
+                    Cursor = ViewConstants.cursorSizeWE;
+                } else if (isWave && (skip || trim)) {
+                    Cursor = null; // TODO
+                } else {
+                    Cursor = null;
+                }
+            } else {
+                Cursor = null;
+            }
+        }
+
+        public void PartsCanvasPointerReleased(object sender, PointerReleasedEventArgs args) {
+            if (partEditState != null) {
+                if (partEditState.MouseButton != args.InitialPressMouseButton) {
+                    return;
+                }
+                var control = (Control)sender;
+                var point = args.GetCurrentPoint(control);
+                partEditState.Update(point.Pointer, point.Position);
+                partEditState.End(point.Pointer, point.Position);
+                partEditState = null;
+                Cursor = null;
+            }
+            if (openPianoRollWindow) {
+                pianoRollWindow?.Show();
+                pianoRollWindow?.Activate();
+                openPianoRollWindow = false;
+            }
+        }
+
+        public void PartsCanvasDoubleTapped(object sender, TappedEventArgs args) {
+            if (!(sender is Canvas canvas)) {
+                return;
+            }
+            var control = canvas.InputHitTest(args.GetPosition(canvas));
+            if (control is PartControl partControl && partControl.part is UVoicePart) {
+                if (pianoRollWindow == null) {
+                    MessageBox.ShowLoading(this);
+                    pianoRollWindow = new PianoRollWindow() {
+                        MainWindow = this,
+                    };
+                    pianoRollWindow.ViewModel.PlaybackViewModel = viewModel.PlaybackViewModel;
+                    MessageBox.CloseLoading();
+                }
+                // Workaround for new window losing focus.
+                openPianoRollWindow = true;
+                int tick = viewModel.TracksViewModel.PointToTick(args.GetPosition(canvas));
+                DocManager.Inst.ExecuteCmd(new LoadPartNotification(partControl.part, DocManager.Inst.Project, tick));
+                pianoRollWindow.AttachExpressions();
+            }
+        }
+
+        public void PartsCanvasPointerWheelChanged(object sender, PointerWheelEventArgs args) {
+            var delta = args.Delta;
+            if (args.KeyModifiers == KeyModifiers.None || args.KeyModifiers == KeyModifiers.Shift) {
+                if (args.KeyModifiers == KeyModifiers.Shift) {
+                    delta = new Vector(delta.Y, delta.X);
+                }
+                if (delta.X != 0) {
+                    HScrollBar.Value = Math.Max(HScrollBar.Minimum,
+                        Math.Min(HScrollBar.Maximum, HScrollBar.Value - HScrollBar.SmallChange * delta.X));
+                }
+                if (delta.Y != 0) {
+                    VScrollBar.Value = Math.Max(VScrollBar.Minimum,
+                        Math.Min(VScrollBar.Maximum, VScrollBar.Value - VScrollBar.SmallChange * delta.Y));
+                }
+            } else if (args.KeyModifiers == KeyModifiers.Alt) {
+                ViewScalerPointerWheelChanged(VScaler, args);
+            } else if (args.KeyModifiers == cmdKey) {
+                TimelinePointerWheelChanged(TimelineCanvas, args);
+            }
+            if (partEditState != null) {
+                var point = args.GetCurrentPoint(partEditState.control);
+                partEditState.Update(point.Pointer, point.Position);
+            }
+        }
+
+        public void PartsContextMenuOpening(object sender, CancelEventArgs args) {
+            if (shouldOpenPartsContextMenu) {
+                shouldOpenPartsContextMenu = false;
+            } else {
+                args.Cancel = true;
+            }
+        }
+
+        public void PartsContextMenuClosing(object sender, CancelEventArgs args) {
+            if (PartsContextMenu != null) {
+                PartsContextMenu.DataContext = null;
+            }
+        }
+
+        void RenamePart(UPart part) {
+            var dialog = new TypeInDialog();
+            dialog.Title = ThemeManager.GetString("context.part.rename");
+            dialog.SetText(part.name);
+            dialog.onFinish = name => {
+                if (!string.IsNullOrWhiteSpace(name) && name != part.name) {
+                    if (!string.IsNullOrWhiteSpace(name) && name != part.name) {
+                        DocManager.Inst.StartUndoGroup();
+                        DocManager.Inst.ExecuteCmd(new RenamePartCommand(DocManager.Inst.Project, part, name));
+                        DocManager.Inst.EndUndoGroup();
+                    }
+                }
+            };
+            dialog.ShowDialog(this);
+        }
+
+        void GotoFile(UPart part) {
+            //View the location of the audio file in explorer if the part is a wave part
+            if (part is UWavePart wavePart) {
+                try {
+                    OS.GotoFile(wavePart.FilePath);
+                } catch (Exception e) {
+                    DocManager.Inst.ExecuteCmd(new ErrorMessageNotification(e));
+                }
+            }
+        }
+
+        async void ReplaceAudio(UPart part) {
+            var file = await FilePicker.OpenFileAboutProject(
+                this, "context.part.replaceaudio", FilePicker.AudioFiles);
+            if (file == null) {
+                return;
+            }
+            UWavePart newPart = new UWavePart() {
+                FilePath = file,
+                trackNo = part.trackNo,
+                position = part.position
+            };
+            newPart.Load(DocManager.Inst.Project);
+            DocManager.Inst.StartUndoGroup();
+            DocManager.Inst.ExecuteCmd(new ReplacePartCommand(DocManager.Inst.Project, part, newPart));
+            DocManager.Inst.EndUndoGroup();
+        }
+
+        void Transcribe(UPart part) {
+            //Convert audio to notes
+            if (part is UWavePart wavePart) {
+                try {
+                    string text = ThemeManager.GetString("context.part.transcribing");
+                    var msgbox = MessageBox.ShowModal(this, $"{text} {part.name}", text);
+                    //Duration of the wave file in seconds
+                    int wavDurS = (int)(wavePart.fileDurationMs / 1000.0);
+                    var scheduler = TaskScheduler.FromCurrentSynchronizationContext();
+                    var transcribeTask = Task.Run(() => {
+                        using (var some = new Some()) {
+                            return some.Transcribe(DocManager.Inst.Project, wavePart, wavPosS => {
+                                //msgbox?.SetText($"{text} {part.name}\n{wavPosS}/{wavDurS}");
+                                msgbox.SetText(string.Format("{0} {1}\n{2}s / {3}s", text, part.name, wavPosS, wavDurS));
+                            });
+                        }
+                    });
+                    transcribeTask.ContinueWith(task => {
+                        msgbox?.Close();
+                        if (task.IsFaulted) {
+                            Log.Error(task.Exception, $"Failed to transcribe part {part.name}");
+                            MessageBox.ShowError(this, task.Exception);
+                            return;
+                        }
+                        var voicePart = task.Result;
+                        //Add voicePart into project
+                        if (voicePart != null) {
+                            var project = DocManager.Inst.Project;
+                            var track = new UTrack(project);
+                            track.TrackNo = project.tracks.Count;
+                            voicePart.trackNo = track.TrackNo;
+                            DocManager.Inst.StartUndoGroup();
+                            DocManager.Inst.ExecuteCmd(new AddTrackCommand(project, track));
+                            DocManager.Inst.ExecuteCmd(new AddPartCommand(project, voicePart));
+                            DocManager.Inst.EndUndoGroup();
+                        }
+                    }, scheduler);
+                } catch (Exception e) {
+                    Log.Error(e, $"Failed to transcribe part {part.name}");
+                    MessageBox.ShowError(this, e);
+                }
+            }
+        }
+
+        async void ValidateTracksVoiceColor() {
+            DocManager.Inst.StartUndoGroup();
+            foreach (var track in DocManager.Inst.Project.tracks) {
+                if (track.ValidateVoiceColor(out var oldColors, out var newColors)) {
+                    await VoiceColorRemappingAsync(track, oldColors, newColors);
+                }
+            }
+            DocManager.Inst.EndUndoGroup();
+        }
+        async Task VoiceColorRemappingAsync(UTrack track, string[] oldColors, string[] newColors) {
+            var parts = DocManager.Inst.Project.parts
+                .Where(part => part.trackNo == track.TrackNo && part is UVoicePart)
+                .Cast<UVoicePart>()
+                .Where(vpart => vpart.notes.Count > 0);
+            if (parts.Any()) {
+                var dialog = new VoiceColorMappingDialog();
+                VoiceColorMappingViewModel vm = new VoiceColorMappingViewModel(oldColors, newColors, track.TrackName);
+                dialog.DataContext = vm;
+                await dialog.ShowDialog(this);
+
+                if (dialog.Apply) {
+                    SetVoiceColorRemapping(track, parts, vm);
+                }
+            }
+        }
+        void VoiceColorRemapping(UTrack track, string[] oldColors, string[] newColors) {
+            var parts = DocManager.Inst.Project.parts
+                .Where(part => part.trackNo == track.TrackNo && part is UVoicePart)
+                .Cast<UVoicePart>()
+                .Where(vpart => vpart.notes.Count > 0);
+            if (parts.Any()) {
+                var dialog = new VoiceColorMappingDialog();
+                VoiceColorMappingViewModel vm = new VoiceColorMappingViewModel(oldColors, newColors, track.TrackName);
+                dialog.DataContext = vm;
+                dialog.onFinish = () => {
+                    DocManager.Inst.StartUndoGroup();
+                    SetVoiceColorRemapping(track, parts, vm);
+                    DocManager.Inst.EndUndoGroup();
+                };
+                dialog.ShowDialog(this);
+            }
+        }
+        void SetVoiceColorRemapping(UTrack track, IEnumerable<UVoicePart> parts, VoiceColorMappingViewModel vm) {
+            foreach (var part in parts) {
+                foreach (var phoneme in part.phonemes) {
+                    var tuple = phoneme.GetExpression(DocManager.Inst.Project, track, Ustx.CLR);
+                    if (vm.ColorMappings.Any(m => m.OldIndex == tuple.Item1)) {
+                        var mapping = vm.ColorMappings.First(m => m.OldIndex == tuple.Item1);
+                        if (mapping.OldIndex != mapping.SelectedIndex) {
+                            if (mapping.SelectedIndex == 0) {
+                                DocManager.Inst.ExecuteCmd(new SetPhonemeExpressionCommand(DocManager.Inst.Project, track, part, phoneme, Ustx.CLR, null));
+                            } else {
+                                DocManager.Inst.ExecuteCmd(new SetPhonemeExpressionCommand(DocManager.Inst.Project, track, part, phoneme, Ustx.CLR, mapping.SelectedIndex));
+                            }
+                        }
+                    } else {
+                        DocManager.Inst.ExecuteCmd(new SetPhonemeExpressionCommand(DocManager.Inst.Project, track, part, phoneme, Ustx.CLR, null));
+                    }
+                }
+            }
+        }
+
+        public async void WindowClosing(object? sender, WindowClosingEventArgs e) {
+            if (forceClose || DocManager.Inst.ChangesSaved) {
+                if (Preferences.Default.ClearCacheOnQuit) {
+                    Log.Information("Clearing cache...");
+                    PathManager.Inst.ClearCache();
+                    Log.Information("Cache cleared.");
+                }
+                return;
+            }
+            e.Cancel = true;
+            if (!await AskIfSaveAndContinue()) {
+                return;
+            }
+            pianoRollWindow?.Close();
+            forceClose = true;
+            Close();
+        }
+
+        private async Task<bool> AskIfSaveAndContinue() {
+            var result = await MessageBox.Show(
+                this,
+                ThemeManager.GetString("dialogs.exitsave.message"),
+                ThemeManager.GetString("dialogs.exitsave.caption"),
+                MessageBox.MessageBoxButtons.YesNoCancel);
+            switch (result) {
+                case MessageBox.MessageBoxResult.Yes:
+                    await Save();
+                    goto case MessageBox.MessageBoxResult.No;
+                case MessageBox.MessageBoxResult.No:
+                    return true; // Continue.
+                default:
+                    return false; // Cancel.
+            }
+        }
+
+        public void OnNext(UCommand cmd, bool isUndo) {
+            if (cmd is ErrorMessageNotification notif) {
+                switch (notif.e) {
+                    case Core.Render.NoResamplerException:
+                    case Core.Render.NoWavtoolException:
+                        MessageBox.Show(
+                           this,
+                           ThemeManager.GetString("dialogs.noresampler.message"),
+                           ThemeManager.GetString("dialogs.noresampler.caption"),
+                           MessageBox.MessageBoxButtons.Ok);
+                        break;
+                    default:
+                        MessageBox.ShowError(this, notif.e, notif.message, true);
+                        break;
+                }
+            } else if (cmd is LoadingNotification loadingNotif && loadingNotif.window == typeof(MainWindow)) {
+                if (loadingNotif.startLoading) {
+                    MessageBox.ShowLoading(this);
+                } else {
+                    MessageBox.CloseLoading();
+                }
+            } else if (cmd is VoiceColorRemappingNotification voicecolorNotif) {
+                if (voicecolorNotif.TrackNo < 0 || DocManager.Inst.Project.tracks.Count <= voicecolorNotif.TrackNo) {
+                    ValidateTracksVoiceColor();
+                } else {
+                    UTrack track = DocManager.Inst.Project.tracks[voicecolorNotif.TrackNo];
+                    if (!voicecolorNotif.Validate) {
+                        VoiceColorRemapping(track, track.VoiceColorNames, track.VoiceColorExp.options);
+                    } else if (track.ValidateVoiceColor(out var oldColors, out var newColors)) {
+                        VoiceColorRemapping(track, oldColors, newColors);
+                    }
+                }
+            }
+        }
+    }
+}
\ No newline at end of file

From 919d07b73b5d1a3b53a65a1d5d25712ef69f4eeb Mon Sep 17 00:00:00 2001
From: RedBlackAka <140876408+RedBlackAka@users.noreply.github.com>
Date: Fri, 20 Dec 2024 01:45:56 +0100
Subject: [PATCH 4/4] Add strings and DE/JP translation

---
 OpenUtau/Strings/Strings.de-DE.axaml | 1 +
 OpenUtau/Strings/Strings.es-ES.axaml | 1 +
 OpenUtau/Strings/Strings.es-MX.axaml | 1 +
 OpenUtau/Strings/Strings.fi-FI.axaml | 1 +
 OpenUtau/Strings/Strings.fr-FR.axaml | 1 +
 OpenUtau/Strings/Strings.id-ID.axaml | 1 +
 OpenUtau/Strings/Strings.it-IT.axaml | 1 +
 OpenUtau/Strings/Strings.ja-JP.axaml | 1 +
 OpenUtau/Strings/Strings.ko-KR.axaml | 1 +
 OpenUtau/Strings/Strings.nl-NL.axaml | 1 +
 OpenUtau/Strings/Strings.pl-PL.axaml | 1 +
 OpenUtau/Strings/Strings.pt-BR.axaml | 1 +
 OpenUtau/Strings/Strings.ru-RU.axaml | 1 +
 OpenUtau/Strings/Strings.th-TH.axaml | 1 +
 OpenUtau/Strings/Strings.vi-VN.axaml | 1 +
 OpenUtau/Strings/Strings.zh-CN.axaml | 1 +
 OpenUtau/Strings/Strings.zh-TW.axaml | 1 +
 17 files changed, 17 insertions(+)

diff --git a/OpenUtau/Strings/Strings.de-DE.axaml b/OpenUtau/Strings/Strings.de-DE.axaml
index 3368b4f22..9aefcce9a 100644
--- a/OpenUtau/Strings/Strings.de-DE.axaml
+++ b/OpenUtau/Strings/Strings.de-DE.axaml
@@ -333,6 +333,7 @@ Warnung: Diese Option entfernt alle benutzerdefinierten Einstellungen.</system:S
   <system:String x:Key="pianoroll.tool.selectionv2">Auswahlwerkzeug (1)</system:String>
 
   <system:String x:Key="prefs.advanced">Fortgeschritten</system:String>
+  <system:String x:Key="prefs.advanced.checkupdateonstart">Beim Start nach Update suchen</system:String>
   <!--<system:String x:Key="prefs.advanced.beta">Beta</system:String>-->
   <system:String x:Key="prefs.advanced.importtempo">Beim importieren von Spuren das Tempo des importierten Projekts verwenden</system:String>
   <system:String x:Key="prefs.advanced.importtempo.always">Immer</system:String>
diff --git a/OpenUtau/Strings/Strings.es-ES.axaml b/OpenUtau/Strings/Strings.es-ES.axaml
index c9b0971dc..c7acda206 100644
--- a/OpenUtau/Strings/Strings.es-ES.axaml
+++ b/OpenUtau/Strings/Strings.es-ES.axaml
@@ -333,6 +333,7 @@ Warning: this option removes custom presets.</system:String>-->
   <!--<system:String x:Key="pianoroll.tool.selectionv2">Selection Tool (1)</system:String>-->
 
   <!--<system:String x:Key="prefs.advanced">Advanced</system:String>-->
+  <!--<system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>-->
   <!--<system:String x:Key="prefs.advanced.beta">Beta</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo">When importing tracks, use the tempos of the imported project</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo.always">Always</system:String>-->
diff --git a/OpenUtau/Strings/Strings.es-MX.axaml b/OpenUtau/Strings/Strings.es-MX.axaml
index 172a550a6..db20a5b76 100644
--- a/OpenUtau/Strings/Strings.es-MX.axaml
+++ b/OpenUtau/Strings/Strings.es-MX.axaml
@@ -329,6 +329,7 @@ Advertencia: Esta opción eliminará las bases personalizadas.</system:String>
   <system:String x:Key="pianoroll.tool.selectionv2">Mano (1)</system:String>
 
   <system:String x:Key="prefs.advanced">Avanzado</system:String>
+  <!--<system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>-->
   <!--<system:String x:Key="prefs.advanced.beta">Beta</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo">When importing tracks, use the tempos of the imported project</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo.always">Always</system:String>-->
diff --git a/OpenUtau/Strings/Strings.fi-FI.axaml b/OpenUtau/Strings/Strings.fi-FI.axaml
index 931e8e8f0..00cc7d22d 100644
--- a/OpenUtau/Strings/Strings.fi-FI.axaml
+++ b/OpenUtau/Strings/Strings.fi-FI.axaml
@@ -333,6 +333,7 @@ Warning: this option removes custom presets.</system:String>-->
   <!--<system:String x:Key="pianoroll.tool.selectionv2">Selection Tool (1)</system:String>-->
 
   <system:String x:Key="prefs.advanced">Lisäasetukset</system:String>
+  <!--<system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>-->
   <system:String x:Key="prefs.advanced.beta">Beta versio</system:String>
   <!--<system:String x:Key="prefs.advanced.importtempo">When importing tracks, use the tempos of the imported project</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo.always">Always</system:String>-->
diff --git a/OpenUtau/Strings/Strings.fr-FR.axaml b/OpenUtau/Strings/Strings.fr-FR.axaml
index 7bedc4ffa..d4c999dd0 100644
--- a/OpenUtau/Strings/Strings.fr-FR.axaml
+++ b/OpenUtau/Strings/Strings.fr-FR.axaml
@@ -329,6 +329,7 @@ Attention: cela va effacer le préréglage.</system:String>
   <system:String x:Key="pianoroll.tool.selectionv2">Sélectionner (1)</system:String>
 
   <system:String x:Key="prefs.advanced">Paramètres avancés</system:String>
+  <!--<system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>-->
   <!--<system:String x:Key="prefs.advanced.beta">Beta</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo">When importing tracks, use the tempos of the imported project</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo.always">Always</system:String>-->
diff --git a/OpenUtau/Strings/Strings.id-ID.axaml b/OpenUtau/Strings/Strings.id-ID.axaml
index 8f4c7d90a..7e70dcde8 100644
--- a/OpenUtau/Strings/Strings.id-ID.axaml
+++ b/OpenUtau/Strings/Strings.id-ID.axaml
@@ -335,6 +335,7 @@ Peringatan: opsi ini menghapus prasetel khusus.</system:String>
   <system:String x:Key="pianoroll.tool.selectionv2">Alat Seleksi (1)</system:String>
 
   <system:String x:Key="prefs.advanced">Lanjutan</system:String>
+  <!--<system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>-->
   <!--<system:String x:Key="prefs.advanced.beta">Beta</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo">When importing tracks, use the tempos of the imported project</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo.always">Always</system:String>-->
diff --git a/OpenUtau/Strings/Strings.it-IT.axaml b/OpenUtau/Strings/Strings.it-IT.axaml
index 8c5e8c903..749a53a41 100644
--- a/OpenUtau/Strings/Strings.it-IT.axaml
+++ b/OpenUtau/Strings/Strings.it-IT.axaml
@@ -333,6 +333,7 @@ Tieni premuto Ctrl per selezionare</system:String>
   <system:String x:Key="pianoroll.tool.selectionv2">Strumento Selezione (1)</system:String>
 
   <system:String x:Key="prefs.advanced">Avanzato</system:String>
+  <!--<system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>-->
   <!--<system:String x:Key="prefs.advanced.beta">Beta</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo">When importing tracks, use the tempos of the imported project</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo.always">Always</system:String>-->
diff --git a/OpenUtau/Strings/Strings.ja-JP.axaml b/OpenUtau/Strings/Strings.ja-JP.axaml
index 005cabb61..79b75d229 100644
--- a/OpenUtau/Strings/Strings.ja-JP.axaml
+++ b/OpenUtau/Strings/Strings.ja-JP.axaml
@@ -353,6 +353,7 @@
   <system:String x:Key="pianoroll.tool.selectionv2">選択ツール (1)</system:String>
 
   <system:String x:Key="prefs.advanced">高度な設定</system:String>
+  <system:String x:Key="prefs.advanced.checkupdateonstart">起動時にアップデートをチェック</system:String>
   <system:String x:Key="prefs.advanced.beta">ベータ版</system:String>
   <system:String x:Key="prefs.advanced.importtempo">トラックのインポート時、テンポもインポートする</system:String>
   <system:String x:Key="prefs.advanced.importtempo.always">常にインポートする</system:String>
diff --git a/OpenUtau/Strings/Strings.ko-KR.axaml b/OpenUtau/Strings/Strings.ko-KR.axaml
index 6ba7cfb64..928daa557 100644
--- a/OpenUtau/Strings/Strings.ko-KR.axaml
+++ b/OpenUtau/Strings/Strings.ko-KR.axaml
@@ -333,6 +333,7 @@
   <system:String x:Key="pianoroll.tool.selectionv2">선택 도구 (1)</system:String>
 
   <system:String x:Key="prefs.advanced">고급</system:String>
+  <!--<system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>-->
   <system:String x:Key="prefs.advanced.beta">베타 버전 사용</system:String>
   <system:String x:Key="prefs.advanced.importtempo">프로젝트를 불러올 때, 프로젝트에 포함된 템포 사용</system:String>
   <system:String x:Key="prefs.advanced.importtempo.always">항상</system:String>
diff --git a/OpenUtau/Strings/Strings.nl-NL.axaml b/OpenUtau/Strings/Strings.nl-NL.axaml
index 433f94d91..9d77064ce 100644
--- a/OpenUtau/Strings/Strings.nl-NL.axaml
+++ b/OpenUtau/Strings/Strings.nl-NL.axaml
@@ -329,6 +329,7 @@ Ctrl ingedrukt houden om te selecteren</system:String>
   <system:String x:Key="pianoroll.tool.selectionv2">Selectiegereedschap (1)</system:String>
 
   <system:String x:Key="prefs.advanced">Geavanceerd</system:String>
+  <!--<system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>-->
   <!--<system:String x:Key="prefs.advanced.beta">Beta</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo">When importing tracks, use the tempos of the imported project</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo.always">Always</system:String>-->
diff --git a/OpenUtau/Strings/Strings.pl-PL.axaml b/OpenUtau/Strings/Strings.pl-PL.axaml
index 881e33279..b7ef5ba76 100644
--- a/OpenUtau/Strings/Strings.pl-PL.axaml
+++ b/OpenUtau/Strings/Strings.pl-PL.axaml
@@ -349,6 +349,7 @@ Uwaga: ta opcja usuwa presety własne.</system:String>
   <system:String x:Key="pianoroll.tool.selectionv2">Zaznaczanie (1)</system:String>
 
   <system:String x:Key="prefs.advanced">Zaawansowane</system:String>
+  <!--<system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>-->
   <system:String x:Key="prefs.advanced.beta">Beta</system:String>
   <system:String x:Key="prefs.advanced.importtempo">Przy imporcie ścieżek użyj tempa importowanego projektu</system:String>
   <system:String x:Key="prefs.advanced.importtempo.always">Zawsze</system:String>
diff --git a/OpenUtau/Strings/Strings.pt-BR.axaml b/OpenUtau/Strings/Strings.pt-BR.axaml
index 8ba2d0538..5477b43c9 100644
--- a/OpenUtau/Strings/Strings.pt-BR.axaml
+++ b/OpenUtau/Strings/Strings.pt-BR.axaml
@@ -329,6 +329,7 @@ Segure Ctrl para selecionar</system:String>
   <system:String x:Key="pianoroll.tool.selectionv2">Ferramenta Seleção (1)</system:String>
 
   <system:String x:Key="prefs.advanced">Avançado</system:String>
+  <!--<system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>-->
   <!--<system:String x:Key="prefs.advanced.beta">Beta</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo">When importing tracks, use the tempos of the imported project</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo.always">Always</system:String>-->
diff --git a/OpenUtau/Strings/Strings.ru-RU.axaml b/OpenUtau/Strings/Strings.ru-RU.axaml
index 583fc2cd4..cb87c3c03 100644
--- a/OpenUtau/Strings/Strings.ru-RU.axaml
+++ b/OpenUtau/Strings/Strings.ru-RU.axaml
@@ -329,6 +329,7 @@
   <system:String x:Key="pianoroll.tool.selectionv2">Инструмент выбора (1)</system:String>
 
   <system:String x:Key="prefs.advanced">Дополнительно</system:String>
+  <!--<system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>-->
   <system:String x:Key="prefs.advanced.beta">Бета</system:String>
   <system:String x:Key="prefs.advanced.importtempo">Когда импортировуются треки, использовать темп импортированного проекта</system:String>
   <system:String x:Key="prefs.advanced.importtempo.always">Всегда</system:String>
diff --git a/OpenUtau/Strings/Strings.th-TH.axaml b/OpenUtau/Strings/Strings.th-TH.axaml
index e46175350..62246384e 100644
--- a/OpenUtau/Strings/Strings.th-TH.axaml
+++ b/OpenUtau/Strings/Strings.th-TH.axaml
@@ -329,6 +329,7 @@
   <!--<system:String x:Key="pianoroll.tool.selectionv2">Selection Tool (1)</system:String>-->
 
   <system:String x:Key="prefs.advanced">ขั้นสูง</system:String>
+  <!--<system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>-->
   <system:String x:Key="prefs.advanced.beta">เบต้า</system:String>
   <!--<system:String x:Key="prefs.advanced.importtempo">When importing tracks, use the tempos of the imported project</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo.always">Always</system:String>-->
diff --git a/OpenUtau/Strings/Strings.vi-VN.axaml b/OpenUtau/Strings/Strings.vi-VN.axaml
index b06198ee2..4c7b1b1bf 100644
--- a/OpenUtau/Strings/Strings.vi-VN.axaml
+++ b/OpenUtau/Strings/Strings.vi-VN.axaml
@@ -350,6 +350,7 @@ Lưu ý: tuỳ chọn này cũng sẽ xoá các tổ hợp thiết lập của b
   <system:String x:Key="pianoroll.tool.selectionv2">Chọn nốt (1)</system:String>
 
   <system:String x:Key="prefs.advanced">Nâng cao</system:String>
+  <!--<system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>-->
   <system:String x:Key="prefs.advanced.beta">Tính năng thử nghiệm</system:String>
   <system:String x:Key="prefs.advanced.importtempo">Khi cho vào track, sử dụng nhịp độ kèm trong tệp đó</system:String>
   <system:String x:Key="prefs.advanced.importtempo.always">Luôn luôn</system:String>
diff --git a/OpenUtau/Strings/Strings.zh-CN.axaml b/OpenUtau/Strings/Strings.zh-CN.axaml
index 13538e9f9..ae76c8821 100644
--- a/OpenUtau/Strings/Strings.zh-CN.axaml
+++ b/OpenUtau/Strings/Strings.zh-CN.axaml
@@ -330,6 +330,7 @@
   <system:String x:Key="pianoroll.tool.selectionv2">选择工具 (1)</system:String>
 
   <system:String x:Key="prefs.advanced">高级</system:String>
+  <!--<system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>-->
   <system:String x:Key="prefs.advanced.beta">Beta测试版</system:String>
   <system:String x:Key="prefs.advanced.importtempo">导入音轨时导入曲速</system:String>
   <system:String x:Key="prefs.advanced.importtempo.always">总是</system:String>
diff --git a/OpenUtau/Strings/Strings.zh-TW.axaml b/OpenUtau/Strings/Strings.zh-TW.axaml
index a1e89f00f..025489cb7 100644
--- a/OpenUtau/Strings/Strings.zh-TW.axaml
+++ b/OpenUtau/Strings/Strings.zh-TW.axaml
@@ -329,6 +329,7 @@
   <!--<system:String x:Key="pianoroll.tool.selectionv2">Selection Tool (1)</system:String>-->
 
   <system:String x:Key="prefs.advanced">進階</system:String>
+  <!--<system:String x:Key="prefs.advanced.checkupdateonstart">Check for update on start</system:String>-->
   <system:String x:Key="prefs.advanced.beta">測試版</system:String>
   <!--<system:String x:Key="prefs.advanced.importtempo">When importing tracks, use the tempos of the imported project</system:String>-->
   <!--<system:String x:Key="prefs.advanced.importtempo.always">Always</system:String>-->