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List:       gtkmm
Subject:    Re: Button_ release/pressed_event in DrawingArea
From:       Kees Kling <ckling () upcmail ! nl>
Date:       2011-01-16 11:56:05
Message-ID: 4D32DCD5.2010803 () upcmail ! nl
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Hi,

I solved it by adding Gd::BUTTON_PRESS_MASK to set_events function.

Kees

Kees Kling wrote:
> Hi,
>
> I'm dispkaying an image in a Gtk::DrawingArea and I try to catch some 
> mouse events
>
> so I did:
>
> snippet
>
> Gtk::DrawingArea  drawingRegion = manage ( new Gtk::drawingArea());
> drawinRegion->set_events(drawingRegion->get_events() |
>                Gdk::POINTER_MOTION_MASK | Gdk::SCROLL_MASK | 
> Gdk::BUTTON_RELEASE_MASK );
> drawingRegion->signal_expose_event().connect(sigc::mem_fun(*this,&imageModule::on_expose_event)); 
>
> drawingRegion->signal_scroll_event().connect(sigc::mem_fun(*this,&imageModule::on_scroll_event)); 
>
> drawingRegion->signal_button_release_event().connect(sigc::mem_fun(*this, 
> &imageModule::on_button_release_event));
>
> My signal handler is;
>
> bool imageModule::on_button_release_event (GdkEventButton* event) {
>    cout<<"releasing in imagemodule"<<endl;
>    return false;
> }
>
> but this is never called.
> You can also see that I also connect expose_event and scroll_event and 
> both work.
> What am I doing wrong
>
> Thanks
> Kees Kling
> _______________________________________________
> gtkmm-list mailing list
> gtkmm-list@gnome.org
> http://mail.gnome.org/mailman/listinfo/gtkmm-list
>

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