[news.eclipse.platform.swt] Re: Event Queue?

[Stefan Langer <mailtolanger@xxxxxxxxxxxxxx>]

From which thread are you calling getCurrent()? If not called from the 
UI Thread it will always return null.
Also getDefault will create a Display if it can't find the current one.

Regards
Stefan

Mirco Dunker wrote:
> Hi,
>
> it was my fault getDefault() returns not null. Now I got an "Exception 
> in thread "AWT-EventQueue-0" org.eclipse.swt.SWTException: Invalid 
> thread access" when I try to add an filter to the Display.
>
> Regards,
> Mirco
>
> Mirco Dunker schrieb:
> > Hi,
> >
> > Calling getDisplay() or getCurrent() always returns null.
> >
> > For example I want to get the events from eclipse. How can I get the 
> > Display which belongs to eclipse?
> >
> > Regards,
> > Mirco
> >
> >
> > Tom Schindl schrieb:
> > > Hi,
> > >
> > > you can get it from any widget by calling getDisplay() or by calling
> > > Display#getCurrent() which is a static method.
> > >
> > > Tom
> > >
> > > Mirco Dunker schrieb:
> > > > Hi,
> > > >
> > > > I don't have much experience in swt, how can i get the current Display?
> > > > The running Display wasn't created by myself.
> > > >
> > > > Regards,
> > > > Mirco
> > > >
> > > > Tom Schindl schrieb:
> > > > > Hi,
> > > > >
> > > > > In SWT you use: Display#addFilter()
> > > > >
> > > > > Tom
> > > > >
> > > > > Mirco Dunker schrieb:
> > > > > > Hi,
> > > > > >
> > > > > > i want to trace some SWT Events. With AWT its really easy to do this:
> > > > > >
> > > > > > Toolkit.getDefaultToolkit().getSystemEventQueue().push(
> > > > > >             new EventQueue() {
> > > > > >     protected void dispatchEvent(AWTEvent event) {
> > > > > >         //do something
> > > > > >         super.dispatchEvent(event);
> > > > > >     }
> > > > > > });
> > > > > >
> > > > > > How can i do this for SWT?
> > > > > >
> > > > > > ­Regards,
> > > > > > Mirco