Re: why on_configure_event() is never called here ?

[José Alburquerque <jaalburquerque cox net>]

On Thu, 2009-08-06 at 04:47 -0800, Renato Merli wrote: 
> class myCtn : public Gtk::Fixed
> {
> 
>     public:
>         Gtk::Button btn;
>         int x, y;
> 
>      bool on_configure_event (GdkEventConfigure *e)
>     {
>         printf("\non configure");
>         return false;
> 
>     };
> 
> 
>         void botao_clicked()
>     {
>         x += 25;
>         y = x;
>         Gtk::Button *tmp = new Gtk::Button("Button");
>         put(*tmp, x, y);
>         tmp->show();
>     };
> 
> 
> 
>         myCtn(): btn("Botao"){
>             add_events (Gdk::ALL_EVENTS_MASK);
>             put (btn,0,0);
>             btn.signal_clicked().connect(sigc::mem_fun(this,
> &myCtn::botao_clicked));
>             x=y=0;
>             btn.show();
> 
>         };
> 
> 
> 
> 
> };
> 
> 
> 
> int main (int argc, char *argv[])
> {
> 
>     Gtk::Main kit(argc, argv);
>     Gtk::Window win;
> 
>     myCtn box;
>     win.add(box);
>     win.show_all();
>     Gtk::Main::run(win);
> 
> }
> 
> 
> What am i missing ?

Did you connect to the signal_configure_event()?  On the other hand, I
think that Gtk::Fixed does not have a Gdk::Window of its own by default
so it may be necessary to use Gtk::Fixed::set_has_window() so it will
receive the configure events (I'm not sure).

-- 
José Alburquerque