From: Rich Kilmer <rich@...>
Date: 2002-12-06T12:23:11+09:00
Subject: Re: FXRuby question

That solved my problem perfectly.  The FreeRIDE project thanks you ;-)

-rich

> -----Original Message-----
> From: Lyle Johnson [mailto:lyle@users.sourceforge.net] 
> Sent: Thursday, December 05, 2002 7:17 PM
> To: ruby-talk ML
> Subject: Re: FXRuby question
> 
> 
> Rich Kilmer wrote:
> 
> > Does anyone know how to capture the event generated when 
> one clicks on 
> > the X button in the upper right corner?  I want to perform some 
> > verifications and cleanup prior to closing.
> 
> When you click the kill button on the main window, it (the 
> FXMainWindow 
> object) first sends a SEL_CLOSE message to its message 
> target, if any. 
> If that target handles the message then life goes on (i.e. the 
> application doesn't shut down). If the main window doesn't have a 
> message target, or if it does but the target doesn't handle the 
> SEL_CLOSE message, then the main window sends a SEL_COMMAND message 
> (with identifier FXApp::ID_QUIT) to the application (FXApp) 
> object. And 
> that more or less terminates the main FOX event loop.
> 
> So for what you're describing, I think I'd try something like this:
> 
>      theMainWindow.connect(SEL_CLOSE) do
>        # Do fun things
>        verify_things
>        clean_up_things
> 
>        if ok_to_quit?
> 
>          # All is well to shut down, so go ahead
>          # and send the ID_QUIT message to the
>          # application.
> 
>          theMainWindow.app.handle(theMainWindow,
>            MKUINT(FXApp::ID_QUIT, SEL_COMMAND), nil)
>        else
> 
>          # We've decided not to shut down after all
> 
>        end
>      end
> 
> Hope this helps,
> 
> Lyle
> 
> 
> 
> 
>