Eckehard Berns <ecki-suckl...@ecki.to> wrote: > It seems that the problem isn't the reparenting stuff. The attached > patch for SDL-1.2.14 worked for me. > > If anyone is interested, here is what happens: > > SDL creates two windows: FSwindow and WMwindow. FSwindow has the > override redirect flag set, and WMwindow is ment to be managed by the wm > for windowed mode. The actual drawing happens in SDL_Window. In windowed > mode the SDL_Window is a child of WMwindow. As soon as the app requests > full screen mode the SDL_Window is reparented into the FSwindow which > then stretches the whole screen. > > The problem is that the WMwindow is also created and managed by dwm. As > soon as the screen resolution is changed, dwm raises the bar and restacks > all tiled windows (including the empty - thus black) WMwindow just below > the bar. Now all managed windows are above the FSwindow. This also > explains why full screen mode works when the resolution doesn't change, > since then the stacking order of the windows stays and FSwindow is still > on top. > > Thinking about this, another way to fix this problem would be to > change all XRaiseWindow calls in dwm to restacking them just below the > bar and never raising the bar. That way dwm would play nicely with other > override redirect windows as well. I don't know if that would be worth > it. > > -- > Eckehard Berns
thank you very much! patch work for me too :)