Gnome::Canvas::CanvasAA scrolling
- From: "Rose Cumming" <rose_alice_cumming hotmail com>
- To: gnomemm-list gnome org, gtkmm-list gnome org, gtk-app-devel-list gnome org
- Cc:
- Subject: Gnome::Canvas::CanvasAA scrolling
- Date: Thu, 24 Mar 2005 03:15:11 +0000
Hello,
I have a Gtkmm application that uses a Gnome Canvas.
On the canvas I draw a grid (using Gnome::Canvas::Line) and some texts
(using Gnome::Canvas::Text).
When I call the scroll_to method from Gnome::Canvas, the region is scrolled
nicely to an offscreen region where I have other plot/pixel data.
If I want the grid and the text also be shown on the region that I scroll
to, is there a proper way to do it?
Right now I simply use the move method for each of the text and the line
while I do the scrolling, but that causes some flicker (when I continuously
perform scrolling in a thread).
Does anybody know how to have an item (i.e. text) to remain on the canvas
always, no matter which region is scrolled to?
Thanks,
Rose
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