| Re: [AD] Rebuilding the screen |
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On Sun, 25 Jul 1999, Joerg Rueppel aka Sharky-X wrote:
> Hi,
>
> I just wanted to report following problem:
>
> I built Allegro 3.9.22 for MSVC and tested the grabber. When I Alt-Tab to
> another application and switch back afterwards, the Grabber does not redraw
> it's GUI-Objects. The screen keeps blank until I move the mouse over all the
> objects. I suppose this happens to all GUI applications under windows.
>
> cya
This is because no one has implemented lost-bitmap callbacks in the
grabber yet.
Idea: Why not have the GUI objects automatically detect that they need to
be redrawn when the bitmap they are being drawn to is lost? I have not
investigated whether this would work, or would be efficient. Perhaps a
new GUI message?
> --------------------------------------------------
> Joerg "Sharky-X" Rueppel
> Lead Programmer - Genlog Productions
> http://members.xoom.com/Sharky_X
> --------------------------------------------------
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