Re: on_style_changed signal

[Rob Benton <rob benton conwaycorp net>]

Paul Davis wrote:
> > When exactly does this signal get emitted?  I'm trying to repaint my 
> > Gtk::DrawingArea when this happens but it looks like this signal gets 
> > emitted before the Gtk::DrawingArea is realized.
>
>
> Repeat the Golden Mantra of all X Window toolkits:
>
>        ONLY DRAW IN SOMETHING THAT HANDLES A (real or synthetic)
>        EXPOSE EVENT.
>
> If you want to draw because of something detected elsewhere in the
> program, cause a synthetic expose event to be sent. In gtkmm, its done
> like this:
>
>      widget.queue_draw ()
>
> --p
>
>        
I have a Gtk::DrawingArea and a Gdk::Pixmap that share a Gdk::GC.  I 
want to draw the new style bg color to the pixmap , then draw the pixmap 
to the drawingarea.  But how can I make these changes before I call 
queue_draw() ?