feat: 添加主题根据系统切换功能

feat: #387

src/i18n/lang/en-US/settings.ts

@@ -15,6 +15,8 @@ export default {
   basic: {
     themeMode: 'Theme Mode',
     themeModeDesc: 'Switch between light/dark theme',
+    autoTheme: 'Follow System',
+    manualTheme: 'Manual Switch',
     language: 'Language Settings',
     languageDesc: 'Change display language',
     font: 'Font Settings',

src/i18n/lang/zh-CN/settings.ts

@@ -15,6 +15,8 @@ export default {
   basic: {
     themeMode: '主题模式',
     themeModeDesc: '切换日间/夜间主题',
+    autoTheme: '跟随系统',
+    manualTheme: '手动切换',
     language: '语言设置',
     languageDesc: '切换显示语言',
     font: '字体设置',

src/i18n/lang/zh-Hant/settings.ts

@@ -15,6 +15,8 @@ export default {
   basic: {
     themeMode: '主題模式',
     themeModeDesc: '切換日間/夜間主題',
+    autoTheme: '跟隨系統',
+    manualTheme: '手動切換',
     language: '語言設定',
     languageDesc: '切換顯示語言',
     font: '字體設定',

src/main/set.json

@@ -25,5 +25,7 @@
   "enableMusicUnblock": true,
   "enabledMusicSources": ["migu", "kugou", "pyncmd", "bilibili"],
   "showTopAction": false,
-  "contentZoomFactor": 1
+  "contentZoomFactor": 1,
+  "autoTheme": false,
+  "manualTheme": "light"
 }

src/renderer/store/modules/settings.ts

@@ -4,7 +4,7 @@ import { ref } from 'vue';
 
 import setDataDefault from '@/../main/set.json';
 import { isElectron } from '@/utils';
-import { applyTheme, getCurrentTheme, ThemeType } from '@/utils/theme';
+import { applyTheme, getCurrentTheme, getSystemTheme, watchSystemTheme, ThemeType } from '@/utils/theme';
 
 export const useSettingsStore = defineStore('settings', () => {
   const theme = ref<ThemeType>(getCurrentTheme());
@@ -18,6 +18,9 @@ export const useSettingsStore = defineStore('settings', () => {
   ]);
   const showDownloadDrawer = ref(false);
   
+  // 系统主题监听器清理函数
+  let systemThemeCleanup: (() => void) | null = null;
+  
   // 先声明 setData ref 但不初始化
   const setData = ref<any>({});
 
@@ -56,8 +59,57 @@ export const useSettingsStore = defineStore('settings', () => {
   setData.value = getInitialSettings();
 
   const toggleTheme = () => {
-    theme.value = theme.value === 'dark' ? 'light' : 'dark';
-    applyTheme(theme.value);
+    if (setData.value.autoTheme) {
+      // 如果是自动模式，切换到手动模式并设置相反的主题
+      const newTheme = theme.value === 'dark' ? 'light' : 'dark';
+      setSetData({ 
+        autoTheme: false, 
+        manualTheme: newTheme 
+      });
+      theme.value = newTheme;
+      applyTheme(newTheme);
+      // 停止监听系统主题
+      if (systemThemeCleanup) {
+        systemThemeCleanup();
+        systemThemeCleanup = null;
+      }
+    } else {
+      // 手动模式下正常切换
+      const newTheme = theme.value === 'dark' ? 'light' : 'dark';
+      theme.value = newTheme;
+      setSetData({ manualTheme: newTheme });
+      applyTheme(newTheme);
+    }
+  };
+
+  const setAutoTheme = (auto: boolean) => {
+    setSetData({ autoTheme: auto });
+    
+    if (auto) {
+      // 启用自动模式
+      const systemTheme = getSystemTheme();
+      theme.value = systemTheme;
+      applyTheme(systemTheme);
+      
+      // 开始监听系统主题变化
+      systemThemeCleanup = watchSystemTheme((newTheme) => {
+        if (setData.value.autoTheme) {
+          theme.value = newTheme;
+          applyTheme(newTheme);
+        }
+      });
+    } else {
+      // 切换到手动模式
+      const manualTheme = setData.value.manualTheme || 'light';
+      theme.value = manualTheme;
+      applyTheme(manualTheme);
+      
+      // 停止监听系统主题
+      if (systemThemeCleanup) {
+        systemThemeCleanup();
+        systemThemeCleanup = null;
+      }
+    }
   };
 
   const setMiniMode = (value: boolean) => {
@@ -106,7 +158,14 @@ export const useSettingsStore = defineStore('settings', () => {
   };
 
   const initializeTheme = () => {
-    applyTheme(theme.value);
+    // 根据设置初始化主题
+    if (setData.value.autoTheme) {
+      setAutoTheme(true);
+    } else {
+      const manualTheme = setData.value.manualTheme || getCurrentTheme();
+      theme.value = manualTheme;
+      applyTheme(manualTheme);
+    }
   };
 
   const initializeSystemFonts = async () => {
@@ -133,6 +192,7 @@ export const useSettingsStore = defineStore('settings', () => {
     showDownloadDrawer,
     setSetData,
     toggleTheme,
+    setAutoTheme,
     setMiniMode,
     setShowUpdateModal,
     setShowArtistDrawer,

src/renderer/utils/theme.ts

@@ -1,5 +1,13 @@
 export type ThemeType = 'dark' | 'light';
 
+// 检测系统主题
+export const getSystemTheme = (): ThemeType => {
+  if (typeof window !== 'undefined' && window.matchMedia) {
+    return window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light';
+  }
+  return 'light';
+};
+
 // 应用主题
 export const applyTheme = (theme: ThemeType) => {
   // 使用 Tailwind 的暗色主题类
@@ -17,3 +25,21 @@ export const applyTheme = (theme: ThemeType) => {
 export const getCurrentTheme = (): ThemeType => {
   return (localStorage.getItem('theme') as ThemeType) || 'light';
 };
+
+// 监听系统主题变化
+export const watchSystemTheme = (callback: (theme: ThemeType) => void) => {
+  if (typeof window !== 'undefined' && window.matchMedia) {
+    const mediaQuery = window.matchMedia('(prefers-color-scheme: dark)');
+    const handler = (e: MediaQueryListEvent) => {
+      callback(e.matches ? 'dark' : 'light');
+    };
+    
+    mediaQuery.addEventListener('change', handler);
+    
+    // 返回清理函数
+    return () => {
+      mediaQuery.removeEventListener('change', handler);
+    };
+  }
+  return () => {};
+};

src/renderer/views/set/index.vue

@@ -25,10 +25,25 @@
                 <div class="set-item-title">{{ t('settings.basic.themeMode') }}</div>
                 <div class="set-item-content">{{ t('settings.basic.themeModeDesc') }}</div>
               </div>
-              <n-switch v-model:value="isDarkTheme">
-                <template #checked><i class="ri-moon-line"></i></template>
-                <template #unchecked><i class="ri-sun-line"></i></template>
-              </n-switch>
+              <div class="flex items-center gap-3">
+                <div class="flex items-center gap-2">
+                  <n-switch v-model:value="setData.autoTheme" @update:value="handleAutoThemeChange">
+                    <template #checked><i class="ri-smartphone-line"></i></template>
+                    <template #unchecked><i class="ri-settings-line"></i></template>
+                  </n-switch>
+                  <span class="text-sm text-gray-500">
+                    {{ setData.autoTheme ? t('settings.basic.autoTheme') : t('settings.basic.manualTheme') }}
+                  </span>
+                </div>
+                <n-switch 
+                  v-model:value="isDarkTheme" 
+                  :disabled="setData.autoTheme"
+                  :class="{ 'opacity-50': setData.autoTheme }"
+                >
+                  <template #checked><i class="ri-moon-line"></i></template>
+                  <template #unchecked><i class="ri-sun-line"></i></template>
+                </n-switch>
+              </div>
             </div>
 
             <!-- 语言设置 -->
@@ -590,6 +605,10 @@ const isDarkTheme = computed({
   set: () => settingsStore.toggleTheme()
 });
 
+const handleAutoThemeChange = (value: boolean) => {
+  settingsStore.setAutoTheme(value);
+};
+
 const openAuthor = () => {
   window.open(setData.value.authorUrl);
 };