Re: Goocanvas::Widget - embedded widget events

[Murray Cumming <murrayc murrayc com>]

On Mon, 2008-11-10 at 23:36 +0000, Damon Chaplin wrote:
> On Mon, 2008-11-10 at 23:11 +0100, Robert Gruendler wrote:
> > Hi all,
> > 
> > As i've found out in the old mailing list, events like button_press_event
> > won't be dispatched by the Goocanvas::Widget itself.
> > 
> > i'm trying to handle events dispatched by the embedded widgets in a
> > Goocanvas::Widget, but my callback function doesn't get called:
> > 
> > 
> > Gtk::Button widget;
> > Glib::RefPtr<Goocanvas::Widget> wid;
> > wid = Goocanvas::Widget::create(widget,10,10,40,40);
> > _canvas->get_root_item()->add_child(wid);
> > 
> > widget.signal_button_press_event().connect(sigc::mem_fun(*this, 
> > &MyWindow::on_widget_button_press_event));
> > 
> > 
> > Has anyone a hint what i'm missing out here ?
> 
> Maybe the button handler is being called first, and returns TRUE so the
> signal emission is stopped.

Robert, you should try connecting _before_, as with X event signals in
general. See "Signal handler sequence" here:
http://www.gtkmm.org/docs/gtkmm-2.4/docs/tutorial/html/sec-xeventsignals.html

-- 
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