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

private void updateUI(final Runnable r) {
	Shell splashShell = getSplash();
	if (splashShell == null || splashShell.isDisposed())
		return;

	Display display = splashShell.getDisplay();

	if (Thread.currentThread() == display.getThread())
		r.run();
	else {
		StartupRunnable startupRunnable = new StartupRunnable() {

			public void runWithException() throws Throwable {
				r.run();
			}
		};
		display.asyncExec(startupRunnable);
	}
}
 

private void updateUI(final Runnable r) {
    final Shell splashShell = getSplash();
    if (splashShell == null || splashShell.isDisposed()) {
        return;
    }

    final Display display = splashShell.getDisplay();

    if (Thread.currentThread() == display.getThread()) {
        r.run(); // run immediatley if we're on the UI thread
    } else {
        // wrapper with a StartupRunnable to ensure that it will run before
        // the UI is fully initialized
        final StartupRunnable startupRunnable = new StartupRunnable() {

            @Override
            public void runWithException() throws Throwable {
                r.run();
            }
        };
        display.asyncExec(startupRunnable);
    }
}
 

private void checkThread(Display display) {
	// jdk 1.6 bug from checkWidget still fails here
	if (display.getThread() != Thread.currentThread()) {
		throw new IllegalStateException(
				"Wrong thread to pick up the image"); //$NON-NLS-1$
	}
}
 

/**
 * Run the model listeners on the UI thread.
 * 
 * @note Some of the {@link IXtextModelListener}s assume that the {@link XtextDocument} that is associated with the model is not
 *       changing while they run. To achieve this, we run the {@link IXtextModelListener}s on the UI thread.
 */
private void notifyModelListenersOnUiThread() {
	Display display = PlatformUI.getWorkbench().getDisplay();
	if (Thread.currentThread() == display.getThread()) {
		// We are already running on the display thread.  Run the listeners immediately.
		notifyModelListeners(getState());
	} else {
		display.asyncExec(() -> {
			XtextDocument.this.tryReadOnly(((XtextResource resource) -> {
				notifyModelListeners(resource);
				return null;
			}));
		});
	}
}
 

public static boolean isDisplayThread() {
	Display d = getDisplay();
	if (d == null) {
		d = Display.getCurrent();
	}
	if (d == null) { return false; }
	return d.getThread() == Thread.currentThread();
}
 

public static void run(final Runnable r) {
	final Display d = getDisplay();
	if (d != null && !d.isDisposed()) {
		if (d.getThread() == Thread.currentThread()) {
			r.run();
		} else {
			d.syncExec(r);
		}
	} else {
		r.run();
	}
}