RE: button_press_event from image

["Ratcliffe, Jeffrey (Peters)" <Jeffrey Ratcliffe External eads com>]

> > Why does the Gtk2::Image not inherit the signals from Gtk2::Widget -
> amongst them button_press_event?
>
> no widget listens to all the events by default (the more they are, the
> more traffic they cause on the X-GDK-GTK line): events must
> specifically be added using Gtk2::Widget::add_events() or
> Gtk2::Widget::set_events().  the only widget that enables all the
> events by default is Gtk2::EventBox
>
> you may subclass Gtk2::Image and use Gtk2::Widget::add_events() inside
> your constructor, so that you can avoid the extra packing:
>
> package My::ActiveImage
>
> use Gtk2;
> use Glib::Object::Subclass
>        'Gtk2::Image';
> sub INIT_INSTANCE {
>   my ($self) = @_;
>   $self->add_events([ qw( button-press-mask button-release-mask ) ]);
> }
>
> 1;
>
> and then you can use My::ActiveImage and connect to the button-press-
> event.

I learn something every day on this list. Thanks!

Jeff