Re: [Vala] can't receive scroll event in object's method

[rastersoft <raster rastersoft com>]

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Thanks, finally it works!

El 28/09/11 09:38, Iñigo Serna escribió:
> Hello,
>
> On 27 September 2011 21:13, rastersoft <raster rastersoft com> wrote:
> > I'm trying to receive the scroll event in an object, but I'm unable to
> > do it. If I do:
> >
> > [...]
> > this.mybox = new EventBox();
> > mybox.add_events (Gdk.EventMask.SCROLL_MASK);
> > mybox.scroll_event.connect(do_scroll);
> > [...]
> >
> > public static bool do_scroll(Gtk.Widget w,Gdk.EventScroll event) {
> >
> > GLib.stdout.printf("Scroll\n");
> > return true;
> > }
> >
> > it works, but since "do_scroll" is static, it has no access to the
> > original object. But if I try to use a method in the object, to be
> > able to use "this.", like in:
> >
> > [...]
> > this.mybox = new EventBox();
> > mybox.add_events (Gdk.EventMask.SCROLL_MASK);
> > mybox.scroll_event.connect(do_scroll);
> > [...]
> >
> > public bool do_scroll(Gtk.Widget w,Gdk.EventScroll event) {
> >
> > GLib.stdout.printf("Scroll\n");
> > this.call_to_an_objects_method();
> > return true;
> > }
> >
> > it never receives the scroll event.
> >
> > I also tried to add [CCode(instance_pos=-1)] before the method, but it
> > doesn't work :(
> >
> > What must I do to make it work?
> >
> > Thanks.
> >
> > - --
> > Nos leemos
> > RASTER (Linux user #228804)
> > raster rastersoft com http://www.rastersoft.com
>
>
> try something like:
>
> [...]
> mybox = new EventBox();
> mybox.add_events (Gdk.EventMask.SCROLL_MASK);
> mybox.scroll_event.connect( () => {
> GLib.stdout.printf("Scroll\n");
> this.call_to_an_objects_method();
> return true;
> });
> [...]
>
>
> Hope it helps,
> Iñigo Serna
> _______________________________________________
> vala-list mailing list
> vala-list gnome org
> http://mail.gnome.org/mailman/listinfo/vala-list

- -- 
Nos leemos
                 RASTER    (Linux user #228804)
raster rastersoft com              http://www.rastersoft.com

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