Re: Question about delete_event_impl

[rob page <page rob gmail com>]

In my one of my programs I have this: (AmyEdit derives from Gtk::Window)

bool AmyEdit::on_delete_event(GdkEventAny* event)
{
        if (edittabs->CloseAllTabs())
                return false;
        return true;
}

If it returns
On 24/01/06, J. Baltasar Garcia Perez-Schofield <jbgarcia uvigo es> wrote:
>
>         Hi, there !
>
>         I'm using Gtkmm 2.4 for a new project, with the interface classes
> generated by Glade. My problem is that I want to intercept the closing
> event of a window, and I've read that you can simply override the
> following method in your window:
>
>         gint delete_event_impl(GdkEventAny *);
>
>         So I have my class VentanaPpal inheriting from VentanaPpal_Glade which
> inherits from Gtk::Window as well, and then I introduce the line above
> in the .h file and implement the method in the .cpp file:
>
> gint VentanaPpal::delete_event_impl(GdkEventAny *)
> {
>         if ( askYesNo( "Are you sure?" ) )
>         {
>                 if ( getCurrentDocument() != NULL ) {
>                         saveCurrentDocument();
>                 }
>
>                 Gtk::Main::quit();
>                 return false;
>         }
>
>         return true;
> }
>
>         Not very complex/specialized code. Also, the "exit" menu option signal
> handle calls delete_event_impl() function.
>
>         Once the application is running, selecting the "exit" menu option makes
> the application to exit correctly, asking the user whether he or she is
> sure or not. However, if I close the window, it just finishes its
> execution.
>
>         The documentation says that when a window is about to be closed, the
> signal handle for delete is called, as well as the delete_event_impl()
> method.
>
>         Where's my error ?
>
>         I also tried to connect a signal manually, in the constructor of
> VentanaPpal_Glade:
>
>         signal_delete_event().connect(SigC::slot(*this,
> &VentanaPpal_glade::on_close), false);
>
>         However, it then complains about functors.h not ignoring a void value
> (I suppose it has to do with the template receiving the method pointer).
>
>         Regards,
>
>                 Baltasar
>
>
>
> --
>
> PBC -- J. Baltasar García Perez-Schofield
> jbgarcia en uvigo de es  http://webs.uvigo.es/jbgarcia/
> Dep. Informática, Universidad de Vigo, España (Spain)
>
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