Re: gtkada

[Stephen Leake <stephen.a.leake.1@gsfc.nasa.gov>]

Sami Evangelista <sami.evangelista@wanadoo.fr> writes:

> hello
> is it possible to connect a handler to a drawing_area when the user
> click on this drawing area. 

You'll get better help on GtkAda from the GtkAda mailing list. See
http://libre.act-europe.fr/GtkAda/
(way down near the bottom) for instructions on subscribing.

> I have tried to connect my handler to the "button_press" signal of
> the Gtk_Drawing_Area like this :
> 
> ---------------------------------------------------------
> Widget_Cb.Connect(Gtk_Widget(Current_Da), "button_press",
> Widget_Cb.To_Marshaller(On_Sub_Net_Button_Press'Access));
> ---------------------------------------------------------
> 
> it compiles well but at the execution the follwing error occurs :
> 
> ---------------------------------------------------------
> Gtk-WARNING **: gtk_signal_connect_full(): could not find signal
> "button_press" in the `GtkDrawingArea' class ancestry
> ---------------------------------------------------------

The list of signals valid for each widget is given in the Ada package
spec, as comments. So read the spec for Gtk_Drawing_Area. I don't have
GtkAda installed here, so I can't do that right now.

-- 
-- Stephe