Re: Transparent buttons

[Sven Neumann <sven gimp org>]

Hi,

Paul Davis <paul linuxaudiosystems com> writes:

> >On Tue, 2003-05-27 at 18:51, sydney barrow wrote:
> >> Is there a way to create transparent buttons (so that the
> >> background pixmap shows through) in GTK+ (1.2)?
> >> 
> >> Any help would be greatly appreciated.
> >
> >IIRC, this was one of the really cool features of GTK+ 2, and it isn't
> >possible in GTK+ 1.
> 
> it certainly is possible, though it can be quite a bit more work. you
> need to use gtk_widget_shape_combine_mask() together with a
> GtkEventBox as the underlying widget type. getting full GtkButton
> semantics from this is hard, but if you want something that responds
> with generic (ie. button_press, button_release) events, its not that
> bad.

If all you want is the background pixmap to show through, you don't
need to do anything special since a GtkButton does not have it's own
window but draws on the window of it's parent.


Sven