新增了手动切换深浅色模式的功能

func/Module_mainwindow.py

@@ -1,6 +1,8 @@
 from pathlib import Path
+from traceback import format_exc
 
-from PySide6.QtWidgets import QMainWindow, QMessageBox, QFileDialog
+from PySide6.QtCore import Qt
+from PySide6.QtWidgets import QMainWindow, QMessageBox, QFileDialog, QApplication, QWidget
 from PySide6.QtGui import QGuiApplication
 from matplotlib import use
 from yaml import dump, load, FullLoader
@@ -112,7 +114,16 @@ class MainWindow(QMainWindow, Ui_Signal_Label):
 
         PublicFunc.__styleAllButton__(self, ButtonState)
 
+        try:
+            if QApplication.styleHints().colorScheme() == Qt.ColorScheme.Dark:
+                self.ui.checkBox_darkmode.setChecked(True)
+            else:
+                self.ui.checkBox_darkmode.setChecked(False)
+        except Exception as e:
+            PublicFunc.msgbox_output(self, Constants.MAINWINDOW_GET_DARKMODE_FAILURE + "。" + format_exc(), Constants.TIPS_TYPE_ERROR)
+
         # 绑定槽函数
+        self.ui.checkBox_darkmode.stateChanged.connect(self.set_dark_mode_status)
         self.ui.pushButton_open.clicked.connect(self.__slot_btn_open__)
         self.ui.pushButton_approximately_align.clicked.connect(self.__slot_btn_approximately_align__)
         self.ui.pushButton_preprocess_BCG.clicked.connect(self.__slot_btn_preprocess__)
@@ -351,4 +362,86 @@ class MainWindow(QMainWindow, Ui_Signal_Label):
 
         for path in path_list:
             if not path.exists():
-                path.mkdir(parents=True, exist_ok=True)
+                path.mkdir(parents=True, exist_ok=True)
+
+    def set_dark_mode_status(self):
+        try:
+            if self.ui.checkBox_darkmode.isChecked():
+                QApplication.styleHints().setColorScheme(Qt.ColorScheme.Dark)
+            else:
+                QApplication.styleHints().setColorScheme(Qt.ColorScheme.Light)
+        except Exception as e:
+            PublicFunc.msgbox_output(self, Constants.MAINWINDOW_DARKMODE_FAILURE + "。" + format_exc(), Constants.MSGBOX_TYPE_ERROR)
+            return
+
+        try:
+            MainWindow.update_widget_style(self)
+        except RuntimeError:
+            pass
+        try:
+            if self.approximately_align is not None:
+                MainWindow.update_widget_style(self.approximately_align)
+        except RuntimeError:
+            pass
+        try:
+            if self.preprocess is not None:
+                MainWindow.update_widget_style(self.preprocess)
+        except RuntimeError:
+            pass
+        try:
+            if self.detect_Jpeak is not None:
+                MainWindow.update_widget_style(self.detect_Jpeak)
+        except RuntimeError:
+            pass
+        try:
+            if self.detect_Rpeak is not None:
+                MainWindow.update_widget_style(self.detect_Rpeak)
+        except RuntimeError:
+            pass
+        try:
+            if self.label_check is not None:
+                MainWindow.update_widget_style(self.label_check)
+        except RuntimeError:
+            pass
+        try:
+            if self.precisely_align is not None:
+                MainWindow.update_widget_style(self.precisely_align)
+        except RuntimeError:
+            pass
+        try:
+            if self.cut_PSG is not None:
+                MainWindow.update_widget_style(self.cut_PSG)
+        except RuntimeError:
+            pass
+        try:
+            if self.artifact_label is not None:
+                MainWindow.update_widget_style(self.artifact_label)
+        except RuntimeError:
+            pass
+        try:
+            if self.bcg_quality_label is not None:
+                MainWindow.update_widget_style(self.bcg_quality_label)
+        except RuntimeError:
+            pass
+        try:
+            if self.resp_quality_label is not None:
+                MainWindow.update_widget_style(self.resp_quality_label)
+        except RuntimeError:
+            pass
+        try:
+            if self.SA_label is not None:
+                MainWindow.update_widget_style(self.SA_label)
+        except RuntimeError:
+            pass
+
+    @staticmethod
+    def update_widget_style(mainWindow):
+        all_widgets = mainWindow.centralWidget().findChildren(QWidget)
+        # 迭代所有部件
+        for widget in all_widgets:
+            try:
+                widget.style().unpolish(widget)
+                widget.style().polish(widget)
+                widget.update()
+            except TypeError:
+                pass