Re: signals of a GtkWindow

[Havoc Pennington <hp redhat com>]

"Ludovic et Marie Nathalie Larue" <ludovic larue1 mageos com> writes:
> Havoc Pennington wrote :
>
> > The delete_event signal corresponds to the "X" button on most window
> > managers.
> >
> > If your WM has two options, "Close" and "Kill", the "Kill" means "kill
> > the app even if the app doesn't want to die", and there is no way to
> > recover from it. You can only recover from the delete_event.
>
> I replaced the "destroy" by "delete_event" :
>    gtk_signal_connect(GTK_OBJECT(gr->fenetre), "delete_event",
>                     GTK_SIGNAL_FUNC(quitter), (gpointer) gr);
> gr->fenetre is the window i want to close, and gr is a pointer to a struct i
> created to pass more than one argument to the callback 'quitter'.
>
> When i use the "destroy" signal, i have no problem, the callback does what i
> want it to do.
> But when i simply replace "destroy" by "delete_event", it doesn't work, it
> is as though the pointer gr pointed to nothing. It is not the 'NULL'
> pointer, but I can't access any field of my struct. They are not NULL
> either, but i get an error when i want to use them.
>
> What's wrong with the delete_event ?

The callback on delete event should be:

gint
delete_event_cb (GtkWidget *widget, GdkEventAny *event, gpointer data)
{


  /* return TRUE to stop window from being destroyed, FALSE to 
   * allow it to be destroyed
   */
  return TRUE;
}

Havoc