refactor(gui): 将主题控件样式修改迁移至 .ui 文件

- ThemeComboBox 移入 ALEttingsWidget.ui，由 setupUi 创建
- QssPathEdit/ApplyQssButton 的隐藏改为 .ui 的 visible=false
- BrowseQssButton/ResetQssButton/CustomQssHintLabel 文本直接在 .ui 中定义
- ALSettingsWidget.modifyUi 移除冗余的程序化 UI 修改
- 移除 ThemeStatusLabel 别名，直接使用 QssStatusLabel

src/gui/ALSettingsWidget.py

@@ -24,7 +24,6 @@ from PySide6.QtGui import (
 )
 from PySide6.QtWidgets import (
     QApplication,
-    QComboBox,
     QFileDialog,
     QMessageBox,
     QStyleFactory,
@@ -143,15 +142,6 @@ class ALSettingsWidget(QWidget, Ui_ALSettingsWidget):
         self.NavigationList.setCurrentRow(0)
         self.populateStyles()
         self.setNavigationIcons()
-        self.QssPathEdit.hide()
-        self.ApplyQssButton.hide()
-        self.ResetQssButton.setText("重置主题")
-        self.CustomQssHintLabel.setText("选择一个主题，或导入新的主题文件：")
-        self.ThemeComboBox = QComboBox(self.CustomQssGroupBox)
-        self.ThemeComboBox.setObjectName("ThemeComboBox")
-        self.ThemeComboBox.setMinimumSize(160, 25)
-        self.QssPathLayout.insertWidget(0, self.ThemeComboBox)
-        self.ThemeStatusLabel = self.QssStatusLabel
 
     def setNavigationIcons(
         self
@@ -247,9 +237,9 @@ class ALSettingsWidget(QWidget, Ui_ALSettingsWidget):
 
         name = self.ThemeComboBox.currentText()
         if name:
-            self.ThemeStatusLabel.setText(f"已加载主题：{name}")
+            self.QssStatusLabel.setText(f"已加载主题：{name}")
         else:
-            self.ThemeStatusLabel.setText("当前使用程序默认外观。")
+            self.QssStatusLabel.setText("当前使用程序默认外观。")
 
     def collectSettings(
         self

src/gui/resources/ui/ALSettingsWidget.ui

@@ -259,7 +259,7 @@
           <item>
            <widget class="QLabel" name="CustomQssHintLabel">
             <property name="text">
-             <string>自定义程序外观，文件加载后将立即生效。</string>
+             <string>选择一个主题，或导入新的主题文件：</string>
             </property>
             <property name="wordWrap">
              <bool>true</bool>
@@ -271,8 +271,21 @@
             <property name="spacing">
              <number>5</number>
             </property>
+            <item>
+             <widget class="QComboBox" name="ThemeComboBox">
+              <property name="minimumSize">
+               <size>
+                <width>160</width>
+                <height>25</height>
+               </size>
+              </property>
+             </widget>
+            </item>
             <item>
              <widget class="QLineEdit" name="QssPathEdit">
+              <property name="visible">
+               <bool>false</bool>
+              </property>
               <property name="minimumSize">
                <size>
                 <width>0</width>
@@ -288,18 +301,12 @@
              <widget class="QPushButton" name="BrowseQssButton">
               <property name="minimumSize">
                <size>
-                <width>25</width>
+                <width>60</width>
-                <height>25</height>
-               </size>
-              </property>
-              <property name="maximumSize">
-               <size>
-                <width>25</width>
                 <height>25</height>
                </size>
               </property>
               <property name="text">
-               <string>...</string>
+               <string>导入</string>
               </property>
              </widget>
             </item>
@@ -312,6 +319,9 @@
             </property>
             <item>
              <widget class="QPushButton" name="ApplyQssButton">
+              <property name="visible">
+               <bool>false</bool>
+              </property>
               <property name="minimumSize">
                <size>
                 <width>80</width>
@@ -332,7 +342,7 @@
                </size>
               </property>
               <property name="text">
-               <string>重置外观</string>
+               <string>重置主题</string>
               </property>
              </widget>
             </item>