Re: Drawing lines in a gtk_layout
- From: Havoc Pennington <hp redhat com>
- To: Tomas Berndtsson <tomas nocrew org>
- Cc: GTK+ List <gtk-list gnome org>
- Subject: Re: Drawing lines in a gtk_layout
- Date: 21 Apr 2001 09:04:19 -0400
Tomas Berndtsson <tomas nocrew org> writes:
> Havoc Pennington <hp redhat com> writes:
>
> > Drawing to a layout you have to draw to layout->bin_window and offset
> > by layout->xoffset and layout->yoffset.
>
> Will it get automatically redrawn, if you scroll the layout around in
> a window?
If you connect to expose_event on the layout and draw, then yes.
> When I've done this, I've put a GtkDrawingArea on the layout, and
> connected it to a function with the "expose_event" signal, and that
> function does the actual drawing. That method slows things down
> though, quite a bit when there are many things to be drawn.
>
Nope, there's no point in doing that. ;-)
Havoc
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