Add more fields to Linux desktop file

Co-authored-by: Claude Sonnet 4.6 <[email protected]>

Author: ctrueden

src/main/java/org/scijava/desktop/platform/linux/DesktopFile.java

@@ -337,6 +337,30 @@ public void setCategories(final String categories) {
 		set("Categories", categories);
 	}
 
+	public String getTryExec() {
+		return get("TryExec");
+	}
+
+	public void setTryExec(final String tryExec) {
+		set("TryExec", tryExec);
+	}
+
+	public boolean getStartupNotify() {
+		return "true".equalsIgnoreCase(get("StartupNotify"));
+	}
+
+	public void setStartupNotify(final boolean startupNotify) {
+		set("StartupNotify", startupNotify ? "true" : "false");
+	}
+
+	public String getStartupWMClass() {
+		return get("StartupWMClass");
+	}
+
+	public void setStartupWMClass(final String startupWMClass) {
+		set("StartupWMClass", startupWMClass);
+	}
+
 	// -- Helper methods --
 
 	/** Returns a semicolon-separated string with entries sorted. */

src/main/java/org/scijava/desktop/platform/linux/LinuxPlatform.java

@@ -206,7 +206,8 @@ public void syncDesktopIntegration(final boolean webLinks,
 
 		final DesktopFile df = new DesktopFile(path);
 
-		// Exec is always written — it identifies which binary handles opens/links.
+		// TryExec and Exec are always written — they identify which binary handles opens/links.
+		df.setTryExec(appExec);
 		df.setExec(appExec + " %U");
 
 		if (desktopIcon) {
@@ -216,8 +217,13 @@ public void syncDesktopIntegration(final boolean webLinks,
 			df.setVersion("1.0");
 			df.setName(appName);
 			df.setGenericName(appName);
-			df.setCategories("Science;Education;");
+			final String appCategories =
+				System.getProperty("scijava.app.categories", "Science;Education;");
+			df.setCategories(appCategories);
 			df.setTerminal(false);
+			df.setStartupNotify(true);
+			final String appWMClass = System.getProperty("sun.awt.wmclass");
+			if (appWMClass != null) df.setStartupWMClass(appWMClass);
 			final String appIcon = System.getProperty("scijava.app.icon");
 			if (appIcon != null) df.setIcon(appIcon);
 			final String appDir = System.getProperty("scijava.app.directory");
@@ -303,9 +309,15 @@ private void installDesktopFile() throws IOException {
 		df.setVersion("1.0");
 		df.setName(appName);
 		df.setGenericName(appName);
+		df.setTryExec(appExec);
 		df.setExec(appExec + " %U");
 		df.setTerminal(false);
-		df.setCategories("Science;Education;");
+		final String appCategories = System.getProperty("scijava.app.categories",
+			"Science;Education;");
+		df.setCategories(appCategories);
+		df.setStartupNotify(true);
+		final String appWMClass = System.getProperty("scijava.app.wmclass");
+		if (appWMClass != null) df.setStartupWMClass(appWMClass);
 
 		if (appIcon != null) {
 			df.setIcon(appIcon);