[news.eclipse.platform.swt] Re: SWT and network / socket data?

["Veronika Irvine" <veronika_irvine@xxxxxxx>]

Use Display.syncExec.  See:

http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet7.java?rev=HEAD&content-type=text/vnd.viewcvs-markup


"Sal Valente" <svalente@xxxxxxx> wrote in message 
news:pan.2005.12.06.05.39.12.227974@xxxxxxxxxx
>I have an SWT program that displays a Label.  Whenever the user selects a
> menu item, I want to display something in that label.  Also, the program
> is listening for data on a Socket.  Whenever network data arrives, I want
> to display it in the Label.
>
> So I've got two Threads.  One is running the SWT main loop:
>    while (!shell.isDisposed()) if (!display.readAndDispatch()) 
> display.sleep();
>
> The other is reading and processing data from the network socket.
>
> I don't think it's a good idea (or at all legal) for the second
> Thread to ever call label.setText().  I want to funnel all SWT calls
> through a single thread.  Is there a way to do this, or, better
> yet, is there a "right" way to do this?  (Is there a way for the network
> thread to add events to the end of the queue so that the SWT thread will
> get to them in their turn?  Or a way for the network thread to
> wake-up the SWT thread?)
>
> Thanks.
>