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source-tree.cpp
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#include "source-tree.hpp"
#include <obs-frontend-api.h>
#include <obs.h>
#include <string>
#include <QLabel>
#include <QLineEdit>
#include <QSpacerItem>
#include <QPushButton>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QMouseEvent>
#include <QAccessible>
#include <QMessageBox>
#include <QStylePainter>
#include <QStyleOptionFocusRect>
#include "obs-module.h"
#include "vertical-canvas.hpp"
/* ========================================================================= */
static QIcon GetSceneIcon()
{
const auto main_window = static_cast<QMainWindow *>(obs_frontend_get_main_window());
return main_window->property("sceneIcon").value<QIcon>();
}
static QIcon GetGroupIcon()
{
const auto main_window = static_cast<QMainWindow *>(obs_frontend_get_main_window());
return main_window->property("groupIcon").value<QIcon>();
}
static QIcon GetIconFromType(enum obs_icon_type icon_type)
{
const auto main_window = static_cast<QMainWindow *>(obs_frontend_get_main_window());
switch (icon_type) {
case OBS_ICON_TYPE_IMAGE:
return main_window->property("imageIcon").value<QIcon>();
case OBS_ICON_TYPE_COLOR:
return main_window->property("colorIcon").value<QIcon>();
case OBS_ICON_TYPE_SLIDESHOW:
return main_window->property("slideshowIcon").value<QIcon>();
case OBS_ICON_TYPE_AUDIO_INPUT:
return main_window->property("audioInputIcon").value<QIcon>();
case OBS_ICON_TYPE_AUDIO_OUTPUT:
return main_window->property("audioOutputIcon").value<QIcon>();
case OBS_ICON_TYPE_DESKTOP_CAPTURE:
return main_window->property("desktopCapIcon").value<QIcon>();
case OBS_ICON_TYPE_WINDOW_CAPTURE:
return main_window->property("windowCapIcon").value<QIcon>();
case OBS_ICON_TYPE_GAME_CAPTURE:
return main_window->property("gameCapIcon").value<QIcon>();
case OBS_ICON_TYPE_CAMERA:
return main_window->property("cameraIcon").value<QIcon>();
case OBS_ICON_TYPE_TEXT:
return main_window->property("textIcon").value<QIcon>();
case OBS_ICON_TYPE_MEDIA:
return main_window->property("mediaIcon").value<QIcon>();
case OBS_ICON_TYPE_BROWSER:
return main_window->property("browserIcon").value<QIcon>();
case OBS_ICON_TYPE_CUSTOM:
//TODO: Add ability for sources to define custom icons
return main_window->property("defaultIcon").value<QIcon>();
case OBS_ICON_TYPE_PROCESS_AUDIO_OUTPUT:
return main_window->property("audioProcessOutputIcon").value<QIcon>();
default:
return main_window->property("defaultIcon").value<QIcon>();
}
}
SourceTreeItem::SourceTreeItem(SourceTree *tree_, OBSSceneItem sceneitem_) : tree(tree_), sceneitem(sceneitem_)
{
setAttribute(Qt::WA_TranslucentBackground);
setMouseTracking(true);
obs_source_t *source = obs_sceneitem_get_source(sceneitem);
const char *name = obs_source_get_name(source);
OBSDataAutoRelease privData = obs_sceneitem_get_private_settings(sceneitem);
int preset = (int)obs_data_get_int(privData, "color-preset");
if (preset == 1) {
const char *color = obs_data_get_string(privData, "color");
std::string col = "background: ";
col += color;
setStyleSheet(col.c_str());
} else if (preset > 1) {
setStyleSheet("");
setProperty("bgColor", preset - 1);
} else {
setStyleSheet("background: none");
}
//OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
const char *id = obs_source_get_id(source);
bool sourceVisible = obs_sceneitem_visible(sceneitem);
if (tree->iconsVisible) {
QIcon icon;
if (strcmp(id, "scene") == 0)
icon = GetSceneIcon();
else if (strcmp(id, "group") == 0)
icon = GetGroupIcon();
else
icon = GetIconFromType(obs_source_get_icon_type(id));
QPixmap pixmap = icon.pixmap(QSize(16, 16));
iconLabel = new QLabel();
iconLabel->setPixmap(pixmap);
iconLabel->setEnabled(sourceVisible);
iconLabel->setStyleSheet("background: none");
}
vis = new VisibilityCheckBox();
vis->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
vis->setChecked(sourceVisible);
vis->setStyleSheet("background: none");
vis->setAccessibleName(QString::fromUtf8(obs_frontend_get_locale_string("Basic.Main.Sources.Visibility")));
vis->setAccessibleDescription(
QString::fromUtf8(obs_frontend_get_locale_string("Basic.Main.Sources.VisibilityDescription")).arg(name));
lock = new LockedCheckBox();
lock->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
lock->setChecked(obs_sceneitem_locked(sceneitem));
lock->setStyleSheet("background: none");
lock->setAccessibleName(QString::fromUtf8(obs_frontend_get_locale_string("Basic.Main.Sources.Lock")));
lock->setAccessibleDescription(
QString::fromUtf8(obs_frontend_get_locale_string("Basic.Main.Sources.LockDescription")).arg(name));
label = new QLabel(QString::fromUtf8(name));
label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
label->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
label->setAttribute(Qt::WA_TranslucentBackground);
label->setEnabled(sourceVisible);
#ifdef __APPLE__
vis->setAttribute(Qt::WA_LayoutUsesWidgetRect);
lock->setAttribute(Qt::WA_LayoutUsesWidgetRect);
#endif
boxLayout = new QHBoxLayout();
boxLayout->setContentsMargins(0, 0, 0, 0);
if (iconLabel) {
boxLayout->addWidget(iconLabel);
boxLayout->addSpacing(2);
}
boxLayout->addWidget(label);
boxLayout->addWidget(vis);
boxLayout->addWidget(lock);
#ifdef __APPLE__
/* Hack: Fixes a bug where scrollbars would be above the lock icon */
boxLayout->addSpacing(16);
#endif
Update(false);
setLayout(boxLayout);
/* --------------------------------------------------------- */
auto setItemVisible = [this](bool val) {
const bool blocked = blockSignals(true);
obs_sceneitem_set_visible(sceneitem, val);
blockSignals(blocked);
};
auto setItemLocked = [this](bool checked) {
const bool blocked = blockSignals(true);
obs_sceneitem_set_locked(sceneitem, checked);
blockSignals(blocked);
};
connect(vis, &QAbstractButton::clicked, setItemVisible);
connect(lock, &QAbstractButton::clicked, setItemLocked);
}
SourceTreeItem::~SourceTreeItem()
{
DisconnectSignals();
}
void SourceTreeItem::paintEvent(QPaintEvent *event)
{
QStyleOption opt;
opt.initFrom(this);
QPainter p(this);
style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
QWidget::paintEvent(event);
}
void SourceTreeItem::DisconnectSignals()
{
obs_scene_t *scene = obs_sceneitem_get_scene(sceneitem);
if (scene) {
obs_source_t *sceneSource = obs_scene_get_source(scene);
signal_handler_t *signal = obs_source_get_signal_handler(sceneSource);
signal_handler_disconnect(signal, "remove", removeItem, this);
signal_handler_disconnect(signal, "item_remove", removeItem, this);
signal_handler_disconnect(signal, "item_visible", itemVisible, this);
signal_handler_disconnect(signal, "item_locked", itemLocked, this);
signal_handler_disconnect(signal, "item_select", itemSelect, this);
signal_handler_disconnect(signal, "item_deselect", itemDeselect, this);
}
obs_source_t *source = obs_sceneitem_get_source(sceneitem);
if (source) {
signal_handler_t *signal = obs_source_get_signal_handler(source);
signal_handler_disconnect(signal, "rename", renamed, this);
signal_handler_disconnect(signal, "remove", removeSource, this);
signal_handler_disconnect(signal, "reorder", reorderGroup, this);
}
}
void SourceTreeItem::Clear()
{
DisconnectSignals();
sceneitem = nullptr;
}
void SourceTreeItem::removeItem(void *data, calldata_t *cd)
{
SourceTreeItem *this_ = reinterpret_cast<SourceTreeItem *>(data);
obs_sceneitem_t *curItem = (obs_sceneitem_t *)calldata_ptr(cd, "item");
obs_scene_t *curScene = (obs_scene_t *)calldata_ptr(cd, "scene");
if (curItem == this_->sceneitem) {
QMetaObject::invokeMethod(this_->tree, "Remove", Q_ARG(OBSSceneItem, curItem), Q_ARG(OBSScene, curScene));
curItem = nullptr;
}
if (!curItem)
QMetaObject::invokeMethod(this_, "Clear");
}
void SourceTreeItem::itemVisible(void *data, calldata_t *cd)
{
SourceTreeItem *this_ = reinterpret_cast<SourceTreeItem *>(data);
obs_sceneitem_t *curItem = (obs_sceneitem_t *)calldata_ptr(cd, "item");
bool visible = calldata_bool(cd, "visible");
if (curItem == this_->sceneitem)
QMetaObject::invokeMethod(this_, "VisibilityChanged", Q_ARG(bool, visible));
}
void SourceTreeItem::itemLocked(void *data, calldata_t *cd)
{
SourceTreeItem *this_ = reinterpret_cast<SourceTreeItem *>(data);
obs_sceneitem_t *curItem = (obs_sceneitem_t *)calldata_ptr(cd, "item");
bool locked = calldata_bool(cd, "locked");
if (curItem == this_->sceneitem)
QMetaObject::invokeMethod(this_, "LockedChanged", Q_ARG(bool, locked));
}
void SourceTreeItem::itemSelect(void *data, calldata_t *cd)
{
SourceTreeItem *this_ = reinterpret_cast<SourceTreeItem *>(data);
obs_sceneitem_t *curItem = (obs_sceneitem_t *)calldata_ptr(cd, "item");
if (curItem == this_->sceneitem)
QMetaObject::invokeMethod(this_, "Select");
}
void SourceTreeItem::itemDeselect(void *data, calldata_t *cd)
{
SourceTreeItem *this_ = reinterpret_cast<SourceTreeItem *>(data);
obs_sceneitem_t *curItem = (obs_sceneitem_t *)calldata_ptr(cd, "item");
if (curItem == this_->sceneitem)
QMetaObject::invokeMethod(this_, "Deselect");
}
void SourceTreeItem::reorderGroup(void *data, calldata_t *)
{
SourceTreeItem *this_ = reinterpret_cast<SourceTreeItem *>(data);
QMetaObject::invokeMethod(this_->tree, "ReorderItems");
};
void SourceTreeItem::renamed(void *data, calldata_t *cd)
{
SourceTreeItem *this_ = reinterpret_cast<SourceTreeItem *>(data);
const char *name = calldata_string(cd, "new_name");
QMetaObject::invokeMethod(this_, "Renamed", Q_ARG(QString, QString::fromUtf8(name)));
}
void SourceTreeItem::removeSource(void *data, calldata_t *)
{
SourceTreeItem *this_ = reinterpret_cast<SourceTreeItem *>(data);
this_->DisconnectSignals();
this_->sceneitem = nullptr;
QMetaObject::invokeMethod(this_->tree, "RefreshItems");
}
void SourceTreeItem::ReconnectSignals()
{
if (!sceneitem)
return;
DisconnectSignals();
obs_scene_t *scene = obs_sceneitem_get_scene(sceneitem);
obs_source_t *sceneSource = obs_scene_get_source(scene);
signal_handler_t *signal = obs_source_get_signal_handler(sceneSource);
signal_handler_connect(signal, "remove", removeItem, this);
signal_handler_connect(signal, "item_remove", removeItem, this);
signal_handler_connect(signal, "item_visible", itemVisible, this);
signal_handler_connect(signal, "item_locked", itemLocked, this);
signal_handler_connect(signal, "item_select", itemSelect, this);
signal_handler_connect(signal, "item_deselect", itemDeselect, this);
if (obs_sceneitem_is_group(sceneitem)) {
obs_source_t *source = obs_sceneitem_get_source(sceneitem);
signal = obs_source_get_signal_handler(source);
signal_handler_connect(signal, "reorder", reorderGroup, this);
}
obs_source_t *source = obs_sceneitem_get_source(sceneitem);
signal = obs_source_get_signal_handler(source);
signal_handler_connect(signal, "rename", renamed, this);
signal_handler_connect(signal, "remove", removeSource, this);
}
void SourceTreeItem::mouseDoubleClickEvent(QMouseEvent *event)
{
QWidget::mouseDoubleClickEvent(event);
if (expand) {
expand->setChecked(!expand->isChecked());
} else {
obs_source_t *source = obs_sceneitem_get_source(sceneitem);
if (source) {
obs_frontend_open_source_properties(source);
}
}
}
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
void SourceTreeItem::enterEvent(QEnterEvent *event)
#else
void SourceTreeItem::enterEvent(QEvent *event)
#endif
{
QWidget::enterEvent(event);
//OBSBasicPreview *preview = OBSBasicPreview::Get();
std::lock_guard<std::mutex> l(tree->canvasDock->selectMutex);
tree->canvasDock->hoveredPreviewItems.clear();
tree->canvasDock->hoveredPreviewItems.push_back(sceneitem);
}
void SourceTreeItem::leaveEvent(QEvent *event)
{
QWidget::leaveEvent(event);
std::lock_guard<std::mutex> l(tree->canvasDock->selectMutex);
tree->canvasDock->hoveredPreviewItems.clear();
}
bool SourceTreeItem::IsEditing()
{
return editor != nullptr;
}
void SourceTreeItem::EnterEditMode()
{
setFocusPolicy(Qt::StrongFocus);
int index = boxLayout->indexOf(label);
boxLayout->removeWidget(label);
editor = new QLineEdit(label->text());
editor->setStyleSheet("background: none");
editor->selectAll();
editor->installEventFilter(this);
boxLayout->insertWidget(index, editor);
setFocusProxy(editor);
}
void SourceTreeItem::ExitEditMode(bool save)
{
ExitEditModeInternal(save);
}
void SourceTreeItem::ExitEditModeInternal(bool save)
{
if (!editor) {
return;
}
newName = editor->text().toUtf8().constData();
setFocusProxy(nullptr);
int index = boxLayout->indexOf(editor);
boxLayout->removeWidget(editor);
delete editor;
editor = nullptr;
setFocusPolicy(Qt::NoFocus);
boxLayout->insertWidget(index, label);
label->setFocus();
/* ----------------------------------------- */
/* check for empty string */
if (!save)
return;
if (newName.empty()) {
QMessageBox::information(tree, QString::fromUtf8(obs_frontend_get_locale_string("NoNameEntered.Title")),
QString::fromUtf8(obs_frontend_get_locale_string("NoNameEntered.Text")));
return;
}
/* ----------------------------------------- */
/* Check for same name */
obs_source_t *source = obs_sceneitem_get_source(sceneitem);
if (newName == obs_source_get_name(source))
return;
/* ----------------------------------------- */
/* check for existing source */
OBSSourceAutoRelease existingSource = obs_get_source_by_name(newName.c_str());
bool exists = !!existingSource;
if (exists) {
QMessageBox::information(tree, QString::fromUtf8(obs_frontend_get_locale_string("NameExists.Title")),
QString::fromUtf8(obs_frontend_get_locale_string("NameExists.Text")));
return;
}
/* ----------------------------------------- */
/* rename */
const bool blocked = blockSignals(true);
obs_source_set_name(source, newName.c_str());
label->setText(QString::fromUtf8(newName.c_str()));
blockSignals(blocked);
}
bool LineEditCanceled(QEvent *event)
{
if (event->type() == QEvent::KeyPress) {
QKeyEvent *keyEvent = reinterpret_cast<QKeyEvent *>(event);
return keyEvent->key() == Qt::Key_Escape;
}
return false;
}
bool LineEditChanged(QEvent *event)
{
if (event->type() == QEvent::KeyPress) {
QKeyEvent *keyEvent = reinterpret_cast<QKeyEvent *>(event);
switch (keyEvent->key()) {
case Qt::Key_Tab:
case Qt::Key_Backtab:
case Qt::Key_Enter:
case Qt::Key_Return:
return true;
}
} else if (event->type() == QEvent::FocusOut) {
return true;
}
return false;
}
bool SourceTreeItem::eventFilter(QObject *object, QEvent *event)
{
if (editor != object)
return false;
if (LineEditCanceled(event)) {
QMetaObject::invokeMethod(this, "ExitEditMode", Qt::QueuedConnection, Q_ARG(bool, false));
return true;
}
if (LineEditChanged(event)) {
QMetaObject::invokeMethod(this, "ExitEditMode", Qt::QueuedConnection, Q_ARG(bool, true));
return true;
}
return false;
}
void SourceTreeItem::VisibilityChanged(bool visible)
{
if (iconLabel) {
iconLabel->setEnabled(visible);
}
label->setEnabled(visible);
vis->setChecked(visible);
}
void SourceTreeItem::LockedChanged(bool locked)
{
lock->setChecked(locked);
//OBSBasic::Get()->UpdateEditMenu();
}
void SourceTreeItem::Renamed(const QString &name)
{
label->setText(name);
}
void SourceTreeItem::Update(bool force)
{
obs_scene_t *scene = tree->canvasDock->scene;
obs_scene_t *itemScene = obs_sceneitem_get_scene(sceneitem);
Type newType;
/* ------------------------------------------------- */
/* if it's a group item, insert group checkbox */
if (obs_sceneitem_is_group(sceneitem)) {
newType = Type::Group;
/* ------------------------------------------------- */
/* if it's a group sub-item */
} else if (itemScene != scene) {
newType = Type::SubItem;
/* ------------------------------------------------- */
/* if it's a regular item */
} else {
newType = Type::Item;
}
/* ------------------------------------------------- */
if (!force && newType == type) {
return;
}
/* ------------------------------------------------- */
ReconnectSignals();
if (spacer) {
boxLayout->removeItem(spacer);
delete spacer;
spacer = nullptr;
}
if (type == Type::Group) {
boxLayout->removeWidget(expand);
expand->deleteLater();
expand = nullptr;
}
type = newType;
if (type == Type::SubItem) {
spacer = new QSpacerItem(16, 1);
boxLayout->insertItem(0, spacer);
} else if (type == Type::Group) {
expand = new SourceTreeSubItemCheckBox();
expand->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
expand->setMaximumSize(10, 16);
expand->setMinimumSize(10, 0);
#ifdef __APPLE__
expand->setAttribute(Qt::WA_LayoutUsesWidgetRect);
#endif
boxLayout->insertWidget(0, expand);
OBSDataAutoRelease private_settings = obs_sceneitem_get_private_settings(sceneitem);
expand->blockSignals(true);
expand->setChecked(obs_data_get_bool(private_settings, "collapsed"));
expand->blockSignals(false);
connect(expand, &QPushButton::toggled, this, &SourceTreeItem::ExpandClicked);
} else {
spacer = new QSpacerItem(3, 1);
boxLayout->insertItem(0, spacer);
}
}
void SourceTreeItem::ExpandClicked(bool checked)
{
OBSDataAutoRelease private_settings = obs_sceneitem_get_private_settings(sceneitem);
obs_data_set_bool(private_settings, "collapsed", checked);
if (!checked)
tree->GetStm()->ExpandGroup(sceneitem);
else
tree->GetStm()->CollapseGroup(sceneitem);
}
void SourceTreeItem::Select()
{
tree->SelectItem(sceneitem, true);
}
void SourceTreeItem::Deselect()
{
tree->SelectItem(sceneitem, false);
}
/* ========================================================================= */
void SourceTreeModel::OBSFrontendEvent(enum obs_frontend_event event, void *ptr)
{
SourceTreeModel *stm = reinterpret_cast<SourceTreeModel *>(ptr);
switch (event) {
case OBS_FRONTEND_EVENT_PREVIEW_SCENE_CHANGED:
//stm->SceneChanged();
break;
case OBS_FRONTEND_EVENT_EXIT:
case OBS_FRONTEND_EVENT_SCRIPTING_SHUTDOWN:
if (!stm->items.isEmpty())
stm->items.clear();
break;
case OBS_FRONTEND_EVENT_SCENE_COLLECTION_CLEANUP:
stm->Clear();
break;
default:
break;
}
}
void SourceTreeModel::Clear()
{
if (items.isEmpty())
return;
beginResetModel();
items.clear();
endResetModel();
hasGroups = false;
}
static bool enumItem(obs_scene_t *, obs_sceneitem_t *item, void *ptr)
{
QVector<OBSSceneItem> &items = *reinterpret_cast<QVector<OBSSceneItem> *>(ptr);
obs_source_t *src = obs_sceneitem_get_source(item);
if (obs_source_removed(src)) {
return true;
}
if (obs_sceneitem_is_group(item)) {
OBSDataAutoRelease data = obs_sceneitem_get_private_settings(item);
bool collapse = obs_data_get_bool(data, "collapsed");
if (!collapse) {
obs_scene_t *scene = obs_sceneitem_group_get_scene(item);
obs_scene_enum_items(scene, enumItem, &items);
}
}
items.insert(0, item);
return true;
}
void SourceTreeModel::SceneChanged()
{
obs_scene_t *scene = st->canvasDock->scene;
beginResetModel();
items.clear();
obs_scene_enum_items(scene, enumItem, &items);
endResetModel();
UpdateGroupState(false);
st->ResetWidgets();
for (int i = 0; i < items.count(); i++) {
bool select = obs_sceneitem_selected(items[i]);
QModelIndex index = createIndex(i, 0);
st->selectionModel()->select(index, select ? QItemSelectionModel::Select : QItemSelectionModel::Deselect);
}
}
/* moves a scene item index (blame linux distros for using older Qt builds) */
static inline void MoveItem(QVector<OBSSceneItem> &items, int oldIdx, int newIdx)
{
OBSSceneItem item = items[oldIdx];
items.remove(oldIdx);
items.insert(newIdx, item);
}
/* reorders list optimally with model reorder funcs */
void SourceTreeModel::ReorderItems()
{
obs_scene_t *scene = st->canvasDock->scene;
QVector<OBSSceneItem> newitems;
obs_scene_enum_items(scene, enumItem, &newitems);
/* if item list has changed size, do full reset */
if (newitems.count() != items.count()) {
SceneChanged();
return;
}
for (;;) {
int idx1Old = 0;
int idx1New = 0;
int count;
int i;
/* find first starting changed item index */
for (i = 0; i < newitems.count(); i++) {
obs_sceneitem_t *oldItem = items[i];
obs_sceneitem_t *newItem = newitems[i];
if (oldItem != newItem) {
idx1Old = i;
break;
}
}
/* if everything is the same, break */
if (i == newitems.count()) {
break;
}
/* find new starting index */
for (i = idx1Old + 1; i < newitems.count(); i++) {
obs_sceneitem_t *oldItem = items[idx1Old];
obs_sceneitem_t *newItem = newitems[i];
if (oldItem == newItem) {
idx1New = i;
break;
}
}
/* if item could not be found, do full reset */
if (i == newitems.count()) {
SceneChanged();
return;
}
/* get move count */
for (count = 1; (idx1New + count) < newitems.count(); count++) {
int oldIdx = idx1Old + count;
int newIdx = idx1New + count;
obs_sceneitem_t *oldItem = items[oldIdx];
obs_sceneitem_t *newItem = newitems[newIdx];
if (oldItem != newItem) {
break;
}
}
/* move items */
beginMoveRows(QModelIndex(), idx1Old, idx1Old + count - 1, QModelIndex(), idx1New + count);
for (i = 0; i < count; i++) {
int to = idx1New + count;
if (to > idx1Old)
to--;
MoveItem(items, idx1Old, to);
}
endMoveRows();
}
}
void SourceTreeModel::Add(obs_sceneitem_t *item)
{
if (obs_sceneitem_is_group(item)) {
SceneChanged();
} else {
beginInsertRows(QModelIndex(), 0, 0);
items.insert(0, item);
endInsertRows();
st->UpdateWidget(createIndex(0, 0, nullptr), item);
}
}
void SourceTreeModel::Remove(obs_sceneitem_t *item)
{
int idx = -1;
for (int i = 0; i < items.count(); i++) {
if (items[i] == item) {
idx = i;
break;
}
}
if (idx == -1)
return;
int startIdx = idx;
int endIdx = idx;
bool is_group = obs_sceneitem_is_group(item);
if (is_group) {
obs_scene_t *scene = obs_sceneitem_group_get_scene(item);
for (int i = endIdx + 1; i < items.count(); i++) {
obs_sceneitem_t *subitem = items[i];
obs_scene_t *subscene = obs_sceneitem_get_scene(subitem);
if (subscene == scene)
endIdx = i;
else
break;
}
}
beginRemoveRows(QModelIndex(), startIdx, endIdx);
items.remove(idx, endIdx - startIdx + 1);
endRemoveRows();
if (is_group)
UpdateGroupState(true);
}
OBSSceneItem SourceTreeModel::Get(int idx)
{
if (idx == -1 || idx >= items.count())
return OBSSceneItem();
return items[idx];
}
SourceTreeModel::SourceTreeModel(SourceTree *st_) : QAbstractListModel(st_), st(st_)
{
obs_frontend_add_event_callback(OBSFrontendEvent, this);
}
SourceTreeModel::~SourceTreeModel()
{
obs_frontend_remove_event_callback(OBSFrontendEvent, this);
}
int SourceTreeModel::rowCount(const QModelIndex &parent) const
{
return parent.isValid() ? 0 : (int)items.count();
}
QVariant SourceTreeModel::data(const QModelIndex &index, int role) const
{
if (role == Qt::AccessibleTextRole) {
OBSSceneItem item = items[index.row()];
obs_source_t *source = obs_sceneitem_get_source(item);
return QVariant(QString::fromUtf8(obs_source_get_name(source)));
}
return QVariant();
}
Qt::ItemFlags SourceTreeModel::flags(const QModelIndex &index) const
{
if (!index.isValid())
return QAbstractListModel::flags(index) | Qt::ItemIsDropEnabled;
obs_sceneitem_t *item = items[index.row()];
bool is_group = obs_sceneitem_is_group(item);
return QAbstractListModel::flags(index) | Qt::ItemIsEditable | Qt::ItemIsDragEnabled |
(is_group ? Qt::ItemIsDropEnabled : Qt::NoItemFlags);
}
Qt::DropActions SourceTreeModel::supportedDropActions() const
{
return QAbstractItemModel::supportedDropActions() | Qt::MoveAction;
}
QString SourceTreeModel::GetNewGroupName()
{
QString name = QString::fromUtf8(obs_frontend_get_locale_string("Group"));
int i = 2;
for (;;) {
OBSSourceAutoRelease group = obs_get_source_by_name(name.toUtf8().constData());
if (!group)
break;
name = QString::fromUtf8(obs_frontend_get_locale_string("Basic.Main.Group")).arg(QString::number(i++));
}
return name;
}
void SourceTreeModel::AddGroup()
{
QString name = GetNewGroupName();
obs_sceneitem_t *group = obs_scene_add_group(st->canvasDock->scene, name.toUtf8().constData());
if (!group)
return;
beginInsertRows(QModelIndex(), 0, 0);
items.insert(0, group);
endInsertRows();
st->UpdateWidget(createIndex(0, 0, nullptr), group);
UpdateGroupState(true);
QMetaObject::invokeMethod(st, "Edit", Qt::QueuedConnection, Q_ARG(int, 0));
}
void SourceTreeModel::GroupSelectedItems(QModelIndexList &indices)
{
if (indices.count() == 0)
return;
obs_scene_t *scene = st->canvasDock->scene;
QString name = GetNewGroupName();
QVector<obs_sceneitem_t *> item_order;
for (auto i = indices.count() - 1; i >= 0; i--) {
obs_sceneitem_t *si = items[indices[i].row()];
item_order << si;
}
obs_sceneitem_t *item = obs_scene_insert_group(scene, name.toUtf8().constData(), item_order.data(), item_order.size());
if (!item) {
return;
}
for (obs_sceneitem_t *si : item_order)
obs_sceneitem_select(si, false);
hasGroups = true;
st->UpdateWidgets(true);
obs_sceneitem_select(item, true);
/* ----------------------------------------------------------------- */
/* obs_scene_insert_group triggers a full refresh of scene items via */
/* the item_add signal. No need to insert a row, just edit the one */
/* that's created automatically. */
int newIdx = indices[0].row();
QMetaObject::invokeMethod(st, "NewGroupEdit", Qt::QueuedConnection, Q_ARG(int, newIdx));
}
void SourceTreeModel::UngroupSelectedGroups(QModelIndexList &indices)
{
if (indices.count() == 0)
return;
for (auto i = indices.count() - 1; i >= 0; i--) {
obs_sceneitem_t *item = items[indices[i].row()];
obs_sceneitem_group_ungroup(item);
}
SceneChanged();
}
void SourceTreeModel::ExpandGroup(obs_sceneitem_t *item)
{
auto itemIdx = items.indexOf(item);
if (itemIdx == -1)
return;
itemIdx++;
obs_scene_t *scene = obs_sceneitem_group_get_scene(item);
QVector<OBSSceneItem> subItems;
obs_scene_enum_items(scene, enumItem, &subItems);
if (!subItems.size())
return;
beginInsertRows(QModelIndex(), (int)itemIdx, (int)itemIdx + (int)subItems.size() - 1);
for (qsizetype i = 0; i < subItems.size(); i++)
items.insert(i + itemIdx, subItems[i]);
endInsertRows();
st->UpdateWidgets();
}
void SourceTreeModel::CollapseGroup(obs_sceneitem_t *item)
{
int startIdx = -1;
int endIdx = -1;
obs_scene_t *scene = obs_sceneitem_group_get_scene(item);
for (int i = 0; i < items.size(); i++) {
obs_scene_t *itemScene = obs_sceneitem_get_scene(items[i]);
if (itemScene == scene) {
if (startIdx == -1)
startIdx = i;
endIdx = i;