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Re: AW: [gtkmm] Dialog and MessageDialog?

Finally this works! Thank you for that suggestion. I needed to call Gtk::Main::run(), which I thought was only called once for the entire program. Also, my Gtk+2.0.5 examples don't have the dialog example -- I had to look at the gtkmm2x examples. 

Cheers,

Dave



From: "Meier, Elke" <elke meier sysde eads net>
To: "'Key88 SF'" <key88sf hotmail com>
CC: gtkmm-list gnome org
Subject: AW: [gtkmm] Dialog and MessageDialog?
Date: Mon, 12 Aug 2002 09:55:38 +0200
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I remember getting this to work with Gtk 1.2.
Have you looked at the dialog example ? They define a run() method in
the dialog class which returns with the answer after the user clicked
OK or Cancel.
 I believe it calls Gtk::Main::run() (better check on this again).
 The OK and Cancel signal handlers set a global variable in the dialog
 class and call Gtk::Main::quit(), so the control returns to the
dialogs run method, which returns the global variable.

I didn't mess with delete_event_impl(), but instantiated a new
dialog every time I needed it.

Cheers,
	Elke
>
> Sorry to go on with this, but I tried just using show(), and
> the dialog gets
> displayed for a millisecond, then immediately closes. I need
> it to stay open
> until the user clicks the "OK" button. It looks like there
> may be a problem
> with the "delete_event_impl" mechanism -- I ran the
> hello,world example code
> which is supposed to override the delete_event_impl() so the
> window never
> gets destroyed, and the override never gets called!
>
> From the GTK 1.2 tutorial hello world example, the function
> below NEVER gets
> called!
>
> int HelloWorld::delete_event_impl(GdkEventAny *event)
> {
>   cout << "delete event occured" << endl;
>
>   // if you return false in the "delete_event" signal handler,
>   // GTK will emit the "destroy" signal.  Returning true means
>   // you don't want the window to be destroyed.
>   // This is useful for popping up 'are you sure you want to quit ?'
>   // type dialogs.
>
>   // Change true to false and the main window will be destroyed with
>   // a "delete_event".
>   return true;
> }
>
> Also - none of the examples that are shipped with gtkmm 1.2
> make use of
> ADDITIONAL popup windows. I would think this is such a common
> thing that
> SOMEONE would have done it already, no?
>
> Thanks again,
>
> Dave
>
>
> >From: Murray Cumming <murrayc usa net>
> >Reply-To: murrayc usa net
> >To: Key88 SF <key88sf hotmail com>
> >CC: gtkmm-list <gtkmm-list gnome org>
> >Subject: Re: [gtkmm] Dialog and MessageDialog?
> >Date: 11 Aug 2002 19:11:57 +0100
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>On Sun, 2002-08-11 at 18:07, Key88 SF wrote:
> > Ok - how do I do something like that in gtkmm1.x ? I can build the GUI
> > window fine, but the "run_and_close()" equivalent I don't see how to do. 

>The
> > only "run" and "response" methods are in the underlying Gtk objects.
>
>I don't think that there is any gtk_dialog_run() function in GTK+ 1.2.
>
>I think you just need to show() the dialog, and there's probably a
>response signal. But it would be better to look at the examples in gtkmm
>1.2.
>
>
>--
>Murray Cumming
>murrayc usa net
>www.murrayc.com
>
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>gtkmm-list gnome org
>http://mail.gnome.org/mailman/listinfo/gtkmm-list






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