Re: subwindow-less Gtk+ and offscreen windows

[Alexander Larsson <alexl redhat com>]

On Sat, 2008-08-02 at 21:35 +0200, Alexander Larsson wrote:

> * Some operations require an X window id, for example:
>    + glXMakeCurrent()
>       so that you can draw into a window with opengl.
>       You can still draw to the toplevel window, but you can't
>       have GdkOffscreenWindow automatically clip the opengl drawing
>       calls (i think).
>    + the Xv extension
>       If you want to show video in a part of your window you need
>       to use Xv, and you have to give it a subwindow in which to render.

Qt changed over to not use subwindows in 4.4.0 I believe. It would be
interesting to see how they solved problems like these.