Add an option to not use systray

src/com/sheepit/client/standalone/GuiSwing.java

@@ -59,6 +59,7 @@ public class GuiSwing extends JFrame implements Gui {
 	private Working activityWorking;
 	private Settings activitySettings;
 	private TrayIcon trayIcon;
+	private boolean useSysTray;
 	
 	private int framesRendered;
 	
@@ -67,9 +68,9 @@ public class GuiSwing extends JFrame implements Gui {
 	
 	private ThreadClient threadClient;
 	
-	public GuiSwing() {
+	public GuiSwing(boolean useSysTray_) {
 		framesRendered = 0;
-		
+		useSysTray = useSysTray_;
 		waitingForAuthentication = true;
 	}
 	
@@ -82,6 +83,7 @@ public class GuiSwing extends JFrame implements Gui {
 			e1.printStackTrace();
 		}
 		
+		if (useSysTray) {
 			try {
 				sysTray = SystemTray.getSystemTray();
 				if (SystemTray.isSupported()) {
@@ -97,6 +99,8 @@ public class GuiSwing extends JFrame implements Gui {
 			catch (UnsupportedOperationException e) {
 				sysTray = null;
 			}
+		}
+		
 		
 		URL iconUrl = getClass().getResource("/icon.png");
 		if (iconUrl != null) {

src/com/sheepit/client/standalone/Worker.java

@@ -88,6 +88,9 @@ public class Worker {
 	@Option(name = "--version", usage = "Display application version", required = false, handler = VersionParameterHandler.class)
 	private VersionParameterHandler versionHandler;
 	
+	@Option(name = "--no-systray", usage = "Don't use systray", required = false)
+	private boolean no_systray = false;
+	
 	public static void main(String[] args) {
 		new Worker().doMain(args);
 	}
@@ -279,7 +282,7 @@ public class Worker {
 					System.out.println("You should set a DISPLAY or use a text ui (with -ui " + GuiTextOneLine.type + " or -ui " + GuiText.type + ").");
 					System.exit(3);
 				}
-				gui = new GuiSwing();
+				gui = new GuiSwing(no_systray == false);
 				break;
 		}
 		Client cli = new Client(gui, config, server);