Gnome::Canvas::CanvasAA scrolling

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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