refactor: replace external dependencies with built-in or better alter…

…natives

- Replaced python-dateutil with datetime for standard date handling.
- Migrated from setuptools to pdm for improved dependency management.
- Replaced pyperclip with PySide6.QtGui.QClipboard for clipboard functionality.
- Removed unnecessary external dependencies and simplified the project setup.

examples/Gallery for siui/components/page_icons/page_icons.py

@@ -1,6 +1,7 @@
-import pyperclip
-from PySide6.QtCore import Qt
 
+from PySide6.QtCore import Qt
+from PySide6.QtWidgets import QApplication
+from PySide6.QtGui import QClipboard
 from siui.components import (
     SiDenseHContainer,
     SiDenseVContainer,
@@ -20,7 +21,8 @@
 
 def get_on_button_clicked_func(button):
     def on_button_clicked():
-        pyperclip.copy(button.objectName())
+        clipboard = QApplication.clipboard()
+        clipboard.setText(button.objectName())
         SiGlobal.siui.windows["TOOL_TIP"].setText(
             f"{button.objectName()}<br>"
             f'<span style="color: {button.getColor(SiColor.TEXT_D)}">复制成功</span>',

pyproject.toml

@@ -4,23 +4,20 @@ version = "1.0.1"
 authors = [
     { name = "ChinaIceF", email = "[email protected]" },
     { name = "rainzee wang", email = "[email protected]" },
-    {name = "H1DDENADM1N", email = "[email protected]"},
+    { name = "H1DDENADM1N", email = "[email protected]" },
 ]
 description = "Default template for PDM package"
 readme = "README.md"
-license = { file = "LICENSE", text = "GPLv3"}
+license = { file = "LICENSE", text = "GPLv3" }
 requires-python = "==3.12.*"
 dependencies = [
     "PySide6==6.6.3.1",
     "typing-extensions>=4.12.2",
-    "python-dateutil>=2.9.0",
-    "setuptools>=75.6.0",
     "numpy==1.26.4",
-    "pyperclip>=1.9.0",
 ]
 
 [project.urls]
-Repository = "hhttps://github.com/H1DDENADM1N/PySide6-SiliconUI"
+Repository = "https://github.com/H1DDENADM1N/PySide6-SiliconUI"
 
 [tool.pdm]
 distribution = false

siui/components/widgets/timedate.py

@@ -2,7 +2,6 @@
 import datetime
 import time
 
-from dateutil.relativedelta import relativedelta
 from PySide6.QtCore import QPoint, Qt, Signal
 from PySide6.QtGui import QFont
 
@@ -153,8 +152,33 @@ def __init__(self, *args, **kwargs):
         self.updateYearMonthLabel()
 
     def modifyDisplayedDate(self, month_delta):
-        self.displayed_date = self.displayed_date.replace(day=1)  # 归一化，防止因日期引起的切换错误，日期不重要，月份重要
-        self.displayed_date = self.displayed_date + relativedelta(months=month_delta)
+        # 归一化，防止因日期引起的切换错误，日期不重要，月份重要
+        self.displayed_date = self.displayed_date.replace(day=1)
+
+        # 计算新的年份和月份
+        year = self.displayed_date.year
+        month = self.displayed_date.month + month_delta
+
+        # 处理跨年的情况
+        if month > 12:
+            year += (month - 1) // 12
+            month = month % 12 or 12
+        elif month < 1:
+            year += (month - 1) // 12
+            month = month % 12 or 12
+
+        # 处理目标月份的天数差异
+        try:
+            self.displayed_date = self.displayed_date.replace(year=year, month=month)
+        except ValueError:
+            # 如果目标月份没有当前日期的天数，则调整到目标月份的最后一天
+            if month == 12:
+                next_month = datetime(year + 1, 1, 1)
+            else:
+                next_month = datetime(year, month + 1, 1)
+            last_day_of_month = next_month - datetime.timedelta(days=1)
+            self.displayed_date = last_day_of_month
+
         self.updateCalendar()
         self.updateYearMonthLabel()