#2039: Added workaround for app icon in MacOS Dock

CHANGELOG.adoc

@@ -6,6 +6,7 @@ This file documents all notable changes to https://github.com/devonfw/IDEasy[IDE
 
 Release with new features and bugfixes:
 
+* https://github.com/devonfw/IDEasy/issues/2039[#2039]: IDE logo not shown in mac task bar
 * https://github.com/devonfw/IDEasy/issues/2176[#2176]: Support 7z archive extraction
 * https://github.com/devonfw/IDEasy/issues/2100[#2100]: Fix Python not available for Mac x64
 * https://github.com/devonfw/IDEasy/issues/1784[#1784]: GUI now supports displaying progress bars

gui/src/main/java/com/devonfw/ide/gui/App.java

@@ -1,6 +1,9 @@
 package com.devonfw.ide.gui;
 
+import java.awt.Taskbar;
+import java.awt.Toolkit;
 import java.io.IOException;
+import java.net.URL;
 
 import javafx.application.Application;
 import javafx.application.Platform;
@@ -20,6 +23,7 @@
 import com.devonfw.ide.gui.context.TaskManager;
 import com.devonfw.ide.gui.modal.IdeDialog;
 import com.devonfw.ide.gui.nls.NlsService;
+import com.devonfw.tools.ide.os.SystemInfoImpl;
 import com.devonfw.tools.ide.variable.IdeVariables;
 import com.devonfw.tools.ide.version.IdeVersion;
 
@@ -28,6 +32,11 @@
  */
 public class App extends Application {
 
+  /**
+   * Path to icon file used for GUI of IDEasy starting from {@code gui/src/main/resources}
+   */
+  public static final String ICON_PATH = "com/devonfw/ide/gui/assets/devonfw.png";
+
   Parent root;
 
   private Stage primaryStage;
@@ -59,7 +68,11 @@ public void start(Stage primaryStage) throws IOException {
     Rectangle2D bounds = Screen.getPrimary().getVisualBounds();
     Scene scene = new Scene(root, bounds.getWidth() / 2, bounds.getHeight() / 2);
 
-    Image icon = new Image("com/devonfw/ide/gui/assets/devonfw.png");
+    if (SystemInfoImpl.INSTANCE.isMac()) {
+      setIconInMacOsDock();
+    }
+
+    Image icon = new Image(ICON_PATH);
     primaryStage.getIcons().add(icon);
     primaryStage.setTitle("IDEasy - version " + IdeVersion.getVersionString());
     primaryStage.setScene(scene);
@@ -119,6 +132,18 @@ private Parent loadMainView() throws IOException {
     return fxmlLoader.load();
   }
 
+  private void setIconInMacOsDock() {
+    try {
+      Toolkit defaultToolkit = Toolkit.getDefaultToolkit();
+      URL imageResource = getClass().getClassLoader().getResource(ICON_PATH);
+      java.awt.Image image = defaultToolkit.getImage(imageResource);
+
+      Taskbar taskbar = Taskbar.getTaskbar();
+      taskbar.setIconImage(image);
+    } catch (UnsupportedOperationException e) {
+      LOG.error("Failed to set IDEasy icon in MacOS dock. ", e);
+    }
+  }
 
   @SuppressWarnings("MissingJavadoc")
   public static void main(String[] args) {