Java Code Examples for org.eclipse.swt.widgets.Display#addFilter()

public void run() {
    try {
        Display display = Display.getCurrent();
        if (display == null)
            display = Display.getDefault();
        display.addFilter(SWT.Close, new Listener() {
            public void handleEvent(Event event) {
                event.doit = false;
            }
        });
        app = new JframeApp(display, SWT.SHELL_TRIM);
        Shell shell = app.getShell();
        shell.open();

        // shell.pack();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        if (!app.isDisposed())
            app.dispose();
        display.dispose();
    } catch (Exception e) {
        LOG.error(e.getMessage(), e.fillInStackTrace());
    }
}
 

public static void runSWTEventLoopUntilBreak() {
	Display display = Display.getCurrent();
	
	final boolean[] breakLoopFlag = new boolean[1];
	
	display.addFilter(SWT.KeyDown, new Listener() {
		@Override
		public void handleEvent(Event event) {
			System.out.println("" + event.button + "--" + event.character  + " :: " + event.keyCode);
			if(event.keyCode == SWT.PAUSE) {
				breakLoopFlag[0] = true;
			}
		}
	});
	
	while(breakLoopFlag[0] == false) {
		if(!display.readAndDispatch())
			display.sleep();
	}
}
 

public MainView(Display mainDisplay) {
	super();
	
	Shell shell = new Shell(mainDisplay, SWT.SHELL_TRIM & ~SWT.MAX); 
	 shell.setText("Yune: A Universal Fire Emblem Randomizer (v0.9.1)");
	 shell.setImage(new Image(mainDisplay, Main.class.getClassLoader().getResourceAsStream("YuneIcon.png")));
	 
	 screenHeight = mainDisplay.getBounds().height;
	 for (Monitor monitor : mainDisplay.getMonitors()) {
		 screenHeight = Math.max(screenHeight, monitor.getClientArea().height);
	 }
	 
	 screenHeight -= 20;
	 
	 mainShell = shell;
	 
	 setupMainShell();
	 
	 resize();
	 
	 /* Open shell window */
	  mainShell.open();
	  
	  mainDisplay.addFilter(SWT.KeyDown, new Listener() {
		@Override
		public void handleEvent(Event event) {
			if (((event.stateMask & SWT.CTRL) != 0) && ((event.stateMask & SWT.SHIFT) != 0) && (event.keyCode == 'c') && !consoleShellOpened) {
				openConsole();
			}
		}
	  });
}
 

/**
 * Handles the focus.
 *
 * @param mode SWT.FocusIn or SWT.FocusOut
 */
private void handleFocus(int mode) {
	switch (mode) {
		case SWT.FocusIn: {
			if (hasFocus) {
				return;
			}
			hasFocus = true;
			final Display display = getDisplay();
			display.removeFilter(SWT.KeyDown, filter);
			display.removeFilter(SWT.FocusIn, filter);
			if (focusIndex < 0) {
				setFocus(NOFOCUS);
			}
			notifyListeners(SWT.FocusIn, new Event());
			display.addFilter(SWT.FocusIn, filter);
			display.addFilter(SWT.KeyDown, filter);
			break;
		}

		case SWT.FocusOut: {
			if (!hasFocus) {
				return;
			}
			final Control focusControl = getDisplay().getFocusControl();
			if (focusControl == DateChooser.this || focusControl == nextMonth || focusControl == prevMonth) {
				return;
			}
			hasFocus = false;
			getDisplay().removeFilter(SWT.KeyDown, filter);
			getDisplay().removeFilter(SWT.FocusIn, filter);
			notifyListeners(SWT.FocusOut, new Event());
			break;
		}
	}
	gridRedraw();
}
 

/**
 * Sets the Text widget value, preventing fire of Modify events.
 *
 * @param value The String value to display in the widget
 */
private void setText(String value) {
	Display display = text.getDisplay();
	try {
		display.addFilter(SWT.Modify, modifyFilter);
		text.setText(value);
	} finally {
		display.removeFilter(SWT.Modify, modifyFilter);
	}
}
 

public ShiftClickAction(final String text, final ImageDescriptor imageDescriptor, final Display display) {
	super(text, imageDescriptor);
	display.addFilter(SWT.KeyDown, this);
	display.addFilter(SWT.KeyUp, this);
}
 

public ShiftClickAction(final String text, final int style, final Display display) {
	super(text, style);
	display.addFilter(SWT.KeyDown, this);
	display.addFilter(SWT.KeyUp, this);
}
 

private void initBindings()
{
	WorkbenchJob workbenchJob = new WorkbenchJob("Installing KeybindingsManager") //$NON-NLS-1$
	{
		@Override
		public IStatus runInUIThread(IProgressMonitor monitor)
		{

			loadbindings();

			// Insert our key listener before the Eclipse's key listeners
			IBindingService bindingService = (IBindingService) workbench.getService(IBindingService.class);
			if (bindingService instanceof BindingService)
			{
				final BindingService theBindingService = (BindingService) bindingService;
				Display display = PlatformUI.getWorkbench().getDisplay();
				final WorkbenchKeyboard keyboard = theBindingService.getKeyboard();
				Listener keyDownFilter = keyboard.getKeyDownFilter();
				try
				{
					if (keyDownFilter != null)
					{
						display.removeFilter(SWT.KeyDown, keyDownFilter);
						display.removeFilter(SWT.Traverse, keyDownFilter);
					}
					display.addFilter(SWT.KeyDown, listener);
					display.addFilter(SWT.Traverse, listener);
				}
				finally
				{
					if (keyDownFilter != null)
					{
						display.addFilter(SWT.KeyDown, keyDownFilter);
						display.addFilter(SWT.Traverse, keyDownFilter);
					}
				}
			}

			// Set the initial enabled state of KeybindingsManager
			IContextService contextService = (IContextService) workbench.getService(IContextService.class);
			contextService.addContextManagerListener(contextManagerListener);
			setEnabled(contextService.getActiveContextIds().contains(ScriptingUIPlugin.SCRIPTING_CONTEXT_ID));

			return Status.OK_STATUS;
		}
	};
	workbenchJob.setRule(MUTEX_RULE);
	EclipseUtil.setSystemForJob(workbenchJob);
	workbenchJob.setPriority(Job.LONG);
	workbenchJob.schedule();
}
 

public static void addListenerToDisplay(Display display){
	display.addFilter(SWT.KeyDown, getInstance());
}