From: Rémi Bernon rbernon@codeweavers.com
_NET_WM_STATE change requests are going through the window manager and the PropertyNotify events might be received with a serial that doesn't match its request. --- dlls/winex11.drv/window.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/dlls/winex11.drv/window.c b/dlls/winex11.drv/window.c index c8d593bb08b..7db2acd2d3a 100644 --- a/dlls/winex11.drv/window.c +++ b/dlls/winex11.drv/window.c @@ -1241,6 +1241,7 @@ static void window_set_net_wm_state( struct x11drv_win_data *data, UINT new_stat
for (i = 0; i < NB_NET_WM_STATES; i++) { + if (data->net_wm_state_serial) break; /* another _NET_WM_STATE update is pending, wait for it to complete */ if (!((old_state ^ new_state) & (1 << i))) continue;
xev.xclient.data.l[0] = (new_state & (1 << i)) ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE; @@ -1248,7 +1249,7 @@ static void window_set_net_wm_state( struct x11drv_win_data *data, UINT new_stat xev.xclient.data.l[2] = ((net_wm_state_atoms[i] == XATOM__NET_WM_STATE_MAXIMIZED_VERT) ? x11drv_atom(_NET_WM_STATE_MAXIMIZED_HORZ) : 0);
- data->pending_state.net_wm_state = new_state; + data->pending_state.net_wm_state ^= (1 << i); data->net_wm_state_serial = NextRequest( data->display ); TRACE( "window %p/%lx, requesting _NET_WM_STATE %#x serial %lu\n", data->hwnd, data->whole_window, data->pending_state.net_wm_state, data->net_wm_state_serial );