在 macOS 使用“液态玻璃风格”的图标替代现有图标，并引入随主题变化图标

HMCL/src/main/java/org/jackhuang/hmcl/EntryPoint.java

@@ -21,16 +21,14 @@
 import org.jackhuang.hmcl.util.SelfDependencyPatcher;
 import org.jackhuang.hmcl.util.SwingUtils;
 import org.jackhuang.hmcl.java.JavaRuntime;
-import org.jackhuang.hmcl.util.io.FileUtils;
-import org.jackhuang.hmcl.util.io.JarUtils;
+import org.jackhuang.hmcl.util.TaskbarIconManager;
 import org.jackhuang.hmcl.util.platform.OperatingSystem;
 
 import java.io.IOException;
 import java.lang.invoke.MethodHandle;
 import java.lang.invoke.MethodHandles;
 import java.lang.invoke.MethodType;
 import java.nio.file.Files;
-import java.nio.file.Path;
 import java.util.concurrent.CancellationException;
 
 import static org.jackhuang.hmcl.util.logging.Logger.LOG;
@@ -52,8 +50,8 @@ public static void main(String[] args) {
         setupJavaFXVMOptions();
         checkDirectoryPath();
 
-        if (OperatingSystem.CURRENT_OS == OperatingSystem.MACOS && !isInsideMacAppBundle())
-            initIcon();
+        if (!OperatingSystem.isInsideMacAppBundle())
+            TaskbarIconManager.setIcon("/assets/img/icon-mac.png");
 
         checkJavaFX();
         verifyJavaFX();
@@ -162,36 +160,6 @@ private static void createHMCLDirectories() {
         }
     }
 
-    private static boolean isInsideMacAppBundle() {
-        Path thisJar = JarUtils.thisJarPath();
-        if (thisJar == null)
-            return false;
-
-        for (Path current = thisJar.getParent();
-             current != null && current.getParent() != null;
-             current = current.getParent()
-        ) {
-            if ("Contents".equals(FileUtils.getName(current))
-                    && FileUtils.getName(current.getParent()).endsWith(".app")
-                    && Files.exists(current.resolve("Info.plist"))
-            ) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    private static void initIcon() {
-        try {
-            if (java.awt.Taskbar.isTaskbarSupported()) {
-                var image = java.awt.Toolkit.getDefaultToolkit().getImage(EntryPoint.class.getResource("/assets/img/icon-mac.png"));
-                java.awt.Taskbar.getTaskbar().setIconImage(image);
-            }
-        } catch (Throwable e) {
-            LOG.warning("Failed to set application icon", e);
-        }
-    }
-
     private static void checkDirectoryPath() {
         String currentDir = System.getProperty("user.dir", "");
         if (currentDir.contains("!")) {

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

@@ -60,6 +60,7 @@
 import org.jackhuang.hmcl.task.CacheFileTask;
 import org.jackhuang.hmcl.task.Schedulers;
 import org.jackhuang.hmcl.task.Task;
+import org.jackhuang.hmcl.theme.Themes;
 import org.jackhuang.hmcl.ui.animation.AnimationUtils;
 import org.jackhuang.hmcl.ui.image.ImageLoader;
 import org.jackhuang.hmcl.ui.image.ImageUtils;
@@ -1085,15 +1086,32 @@ public void invalidated(Observable observable) {
     }
 
     public static void setIcon(Stage stage) {
-        String icon;
-        if (OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS) {
-            icon = "/assets/img/icon.png";
-        } else if (OperatingSystem.CURRENT_OS == OperatingSystem.MACOS) {
-            icon = "/assets/img/icon-mac.png";
-        } else {
-            icon = "/assets/img/icon@4x.png";
+        Runnable updateIcon = () -> {
+            String iconPath = switch (OperatingSystem.CURRENT_OS) {
+                case WINDOWS -> "/assets/img/icon.png";
+                case MACOS -> Themes.darkModeProperty().get()
+                        ? "/assets/img/icon-mac-dark.png"
+                        : "/assets/img/icon-mac.png";
+                default -> "/assets/img/icon@4x.png";
+            };
+
+            Image fxImage = newBuiltinImage(iconPath);
+            if (fxImage != null) {
+                stage.getIcons().setAll(fxImage);
+            }
+
+            if (!OperatingSystem.isInsideMacAppBundle()) {
+                TaskbarIconManager.setIcon(iconPath);
+            }
+        };
+
+        Platform.runLater(updateIcon);
+
+        if (OperatingSystem.CURRENT_OS == OperatingSystem.MACOS) {
+            Themes.darkModeProperty().addListener((obs, oldDark, newDark) ->
+                    Platform.runLater(updateIcon)
+            );
         }
-        stage.getIcons().add(newBuiltinImage(icon));
     }
 
     public static Image loadImage(Path path) throws Exception {

HMCL/src/main/java/org/jackhuang/hmcl/util/TaskbarIconManager.java

@@ -0,0 +1,46 @@
+/*
+ * Hello Minecraft! Launcher
+ * Copyright (C) 2026  huangyuhui <huanghongxun2008@126.com> and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package org.jackhuang.hmcl.util;
+
+import java.net.URL;
+
+import static org.jackhuang.hmcl.util.logging.Logger.LOG;
+
+public final class TaskbarIconManager {
+    public static void setIcon(String iconPath) {
+        if (!java.awt.Taskbar.isTaskbarSupported()) {
+            return;
+        }
+
+        try {
+            URL resource = TaskbarIconManager.class.getResource(iconPath);
+            if (resource == null) {
+                LOG.warning("Icon resource not found: " + iconPath);
+                return;
+            }
+
+            java.awt.Image image = java.awt.Toolkit.getDefaultToolkit().getImage(resource);
+            java.awt.Taskbar.getTaskbar().setIconImage(image);
+        } catch (Throwable e) {
+            LOG.warning("Failed to set AWT taskbar icon: " + iconPath, e);
+        }
+    }
+
+    private TaskbarIconManager() {}
+}

HMCLCore/src/main/java/org/jackhuang/hmcl/util/platform/OperatingSystem.java

@@ -18,6 +18,8 @@
 package org.jackhuang.hmcl.util.platform;
 
 import org.jackhuang.hmcl.util.KeyValuePairUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.io.JarUtils;
 import org.jackhuang.hmcl.util.platform.windows.Kernel32;
 import org.jackhuang.hmcl.util.platform.windows.WinReg;
 
@@ -282,6 +284,27 @@ public static boolean isWindows7OrLater() {
         return SYSTEM_VERSION.isAtLeast(OSVersion.WINDOWS_7);
     }
 
+    public static boolean isInsideMacAppBundle() {
+        if (OperatingSystem.CURRENT_OS != MACOS) return false;
+
+        Path thisJar = JarUtils.thisJarPath();
+        if (thisJar == null)
+            return false;
+
+        for (Path current = thisJar.getParent();
+             current != null && current.getParent() != null;
+             current = current.getParent()
+        ) {
+            if ("Contents".equals(FileUtils.getName(current))
+                    && FileUtils.getName(current.getParent()).endsWith(".app")
+                    && Files.exists(current.resolve("Info.plist"))
+            ) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     public static Path getWorkingDirectory(String folder) {
         String home = System.getProperty("user.home", ".");
         switch (OperatingSystem.CURRENT_OS) {