Question

I am writing an SWT application.

Is there a way to animate a label to make it glow in SWT?

Answer 1

SWT uses the OS’s widgets. There are methods like setForeground() and setBackground(). However, it is not guaranteed, that the set colors will be used (they are just hints). In general: There is no built-in mechanism that will make your Label glow.

As a workaround, add a Listener for SWT.Paint to your Label. On this Listener‘s handleEvent method, get the Event‘s GC and paint whatever you want with it:

label.addListener(SWT.Paint, new Listener() {
    public void handleEvent(Event event) {
        GC gc = event.gc;
        // paint what you want
    }
});