steamcompmgr: Update _NET_WM_STATE when state changes #2069
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SDL3 depends on receiving a PropertyNotify for _NET_WM_STATE after it sends a ClientMessage to change the window state. If it doesn't receive one within 100 ms, it will assume the change failed and will not set the expected window flag. Therefore, we cannot just silently apply the changes. We must also change the _NET_WM_STATE property, so apps know we actually applied the requested change. Fixes SDL3 windows never getting SDL_WINDOW_FULLSCREEN set.
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SDL3 depends on receiving a
PropertyNotifyfor_NET_WM_STATEafter it sends aClientMessageto change the window state. If it doesn't receive one within 100 ms, it will assume the change failed and will not set the expected window flag. Therefore, we cannot just silently apply the changes. We must also change the_NET_WM_STATEproperty, so apps know we actually applied the requested change.Fixes SDL3 windows never getting
SDL_WINDOW_FULLSCREENset.