Re: Eventbox doesn't work with a Gtk::Button?

[HeavyJoost <heavyjoost gmail com>]

Thanks! :) signal_pressed() was what I needed, hehe, I feel stupid :P


Nickolai Dobrynin wrote:

> The simplest would probably be to derive from Gtk::Button and overriding the on_pressed
> call back.  This way, you avoid doing things like
>
>  
>
> > m_EventBox.set_events(Gdk::BUTTON_PRESS_MASK);
> > m_EventBox.signal_button_press_event().connect(sigc::mem_fun(*this, &ExampleWindow::on_eventbox_button_press) );
> >    
>
> If, on the other hand, it is your intention to register an additional call back for the
> "pressed" event, then you should do 
>
> m_Button.signal_pressed().connect .................
>
> instead of the second line above, or otherwise you make the event box receive the "pressed" event rather than
> the button itself.  Thus, I also think that the first line (the one with set_event) should be removed.
>
>
> Regards,
>
> Nickolai
>
>
> PS  Unless HeavyJoost is your real name, I think, people on this list tend to use their actual names for posting.
>
>
>
> On Wed, Oct 19, 2005 at 10:57:38PM +0200, HeavyJoost wrote:
>  
>
> > In the following code, when I change m_Label to a Gtk::Button, it 
> > doesn't receive events anymore, is this normal? If so, how can I do that 
> > for buttons?
> >
> > #include <gtkmm/main.h>
> > #include <gtkmm.h>
> >
> > class ExampleWindow : public Gtk::Window
> > {
> > public:
> > ExampleWindow();
> > virtual ~ExampleWindow();
> >
> > protected:
> > //Signal handlers:
> > virtual bool on_eventbox_button_press(GdkEventButton* event);
> >
> > //Child widgets:
> > Gtk::EventBox m_EventBox;
> > Gtk::Label m_Label;
> > Gtk::Tooltips m_Tooltips;
> > };
> >
> > ExampleWindow::ExampleWindow()
> > : m_Label("Click here to quit, quit, quit, quit, quit")
> > {
> > set_title ("EventBox");
> > set_border_width(10);
> >
> > add(m_EventBox);
> >
> > m_EventBox.add(m_Label);
> >
> > //Clip the label short:
> > m_Label.set_size_request(110, 20);
> >
> > //And bind an action to it:
> > m_EventBox.set_events(Gdk::BUTTON_PRESS_MASK);
> > m_EventBox.signal_button_press_event().connect(
> >   sigc::mem_fun(*this, &ExampleWindow::on_eventbox_button_press) );
> >
> > m_Tooltips.set_tip(m_EventBox, "Click me!");
> >
> > show_all_children();
> > }
> >
> > ExampleWindow::~ExampleWindow()
> > {
> > }
> >
> > bool ExampleWindow::on_eventbox_button_press(GdkEventButton*)
> > {
> > hide();
> > return true;
> > }
> >
> > int main(int argc, char *argv[])
> > {
> > Gtk::Main kit(argc, argv);
> >
> > ExampleWindow window;
> > Gtk::Main::run(window); //Shows the window and returns when it is closed.
> >
> > return 0;
> > }
> >
> > _______________________________________________
> > gtkmm-list mailing list
> > gtkmm-list gnome org
> > http://mail.gnome.org/mailman/listinfo/gtkmm-list
> >    
>
>