支持主题色跟随系统

HMCL/src/main/java/org/jackhuang/hmcl/setting/ThemeColorType.java

@@ -25,6 +25,9 @@ public enum ThemeColorType {
     /// Uses the built-in launcher default theme color.
     DEFAULT,
 
+    /// Follows the accent color provided by the operating system.
+    SYSTEM,
+
     /// Uses the custom launcher theme color selected by the user.
     CUSTOM,
 

HMCL/src/main/java/org/jackhuang/hmcl/theme/ThemePackManager.java

@@ -711,6 +711,9 @@ private static ThemeColorSource currentThemeColorSource() throws IOException {
         if (themeColorType == ThemeColorType.DEFAULT) {
             return ThemeColorSource.DEFAULT;
         }
+        if (themeColorType == ThemeColorType.SYSTEM) {
+            return ThemeColorSource.custom(Themes.getSystemThemeColor());
+        }
         if (themeColorType == ThemeColorType.BACKGROUND) {
             if (backgroundType == BackgroundType.THEME_COLOR) {
                 return ThemeColorSource.DEFAULT;

HMCL/src/main/java/org/jackhuang/hmcl/theme/Themes.java

@@ -115,6 +115,9 @@ public final class Themes {
             if (FXUtils.DARK_MODE != null) {
                 observables.add(FXUtils.DARK_MODE);
             }
+            if (FXUtils.ACCENT_COLOR != null) {
+                observables.add(FXUtils.ACCENT_COLOR);
+            }
             bind(observables.toArray(new Observable[0]));
         }
 
@@ -195,6 +198,7 @@ static ThemeColor resolveThemeColor(
         }
         return switch (themeColorType) {
             case DEFAULT -> ThemeColor.DEFAULT;
+            case SYSTEM -> getSystemThemeColor();
             case CUSTOM -> fallback;
             case BACKGROUND -> resolveWallpaperThemeColor(fallback, backgroundType);
         };
@@ -528,6 +532,15 @@ private static Brightness getDefaultBrightness() {
         return defaultBrightness = brightness;
     }
 
+    /// Returns the current operating system accent color, or the launcher default when unavailable.
+    public static ThemeColor getSystemThemeColor() {
+        if (FXUtils.ACCENT_COLOR == null) {
+            return ThemeColor.DEFAULT;
+        }
+        @Nullable Color accentColor = FXUtils.ACCENT_COLOR.get();
+        return accentColor != null ? ThemeColor.of(accentColor) : ThemeColor.DEFAULT;
+    }
+
     /// Returns the current resolved launcher theme.
     public static ResolvedTheme getTheme() {
         return theme.get();

HMCL/src/main/java/org/jackhuang/hmcl/ui/main/PersonalizationPage.java

@@ -445,6 +445,10 @@ public PersonalizationPage() {
                     i18n("settings.launcher.theme_color_type.default"),
                     ThemeColorType.DEFAULT);
 
+            var systemColorChoice = new RadioChoiceList.Choice<ThemeColorType>(
+                    i18n("settings.launcher.theme_color_type.system"),
+                    ThemeColorType.SYSTEM);
+
             var customColorChoice = new RadioChoiceList.Choice<ThemeColorType>(
                     i18n("settings.launcher.theme_color_type.custom"),
                     ThemeColorType.CUSTOM) {
@@ -461,7 +465,11 @@ protected Node createRightNode() {
 
             RadioChoiceList<ThemeColorType> themeColorChoiceList = new RadioChoiceList<>();
             themeColorChoiceList.setFallbackValue(ThemeColorType.DEFAULT);
-            themeColorChoiceList.setChoices(Arrays.asList(defaultColorChoice, customColorChoice, backgroundColorChoice));
+            themeColorChoiceList.setChoices(Arrays.asList(
+                    defaultColorChoice,
+                    systemColorChoice,
+                    customColorChoice,
+                    backgroundColorChoice));
 
             JFXButton themeColorOverrideButton = createThemeAppearanceOverrideButton();
             themeColorSublist.setTitleRight(themeColorOverrideButton);

HMCL/src/main/resources/assets/lang/I18N.properties

@@ -1606,6 +1606,7 @@ settings.launcher.theme_color_type.background=Follow Background Wallpaper
 settings.launcher.theme_color_type.custom=Custom Color
 settings.launcher.theme_color_type.custom.description=Use the color selected above.
 settings.launcher.theme_color_type.default=Default
+settings.launcher.theme_color_type.system=Follow System
 settings.launcher.title_transparent=Transparent Titlebar
 settings.launcher.turn_off_animations=Disable Animation
 settings.launcher.version_list_source=Version List

HMCL/src/main/resources/assets/lang/I18N_zh.properties

@@ -1397,6 +1397,7 @@ settings.launcher.theme_color_type.background=跟隨背景圖片
 settings.launcher.theme_color_type.custom=自訂顏色
 settings.launcher.theme_color_type.custom.description=使用上方選擇的顏色。
 settings.launcher.theme_color_type.default=預設
+settings.launcher.theme_color_type.system=跟隨系統
 settings.launcher.title_transparent=標題欄透明
 settings.launcher.turn_off_animations=關閉動畫
 settings.launcher.version_list_source=版本清單來源

HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties

@@ -1402,6 +1402,7 @@ settings.launcher.theme_color_type.background=跟随背景壁纸
 settings.launcher.theme_color_type.custom=自定义颜色
 settings.launcher.theme_color_type.custom.description=使用上方选择的颜色。
 settings.launcher.theme_color_type.default=默认
+settings.launcher.theme_color_type.system=跟随系统
 settings.launcher.title_transparent=标题栏透明
 settings.launcher.turn_off_animations=关闭动画
 settings.launcher.version_list_source=版本列表源