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Commit 0816a04d authored by Alexandre Julliard's avatar Alexandre Julliard
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server: Subtract the current update region from the valid rect when a window…

server: Subtract the current update region from the valid rect when a window client area is changed.
parent e834c920
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server/window.c
View file @ 0816a04d
......@@ -1645,6 +1645,13 @@ static void set_window_pos( struct window *win, struct window *previous,
if (tmp)
{
set_region_rect( tmp, &valid_rects[0] );
/* subtract update region since invalid parts of the valid rect won't be copied */
if (win->update_region)
{
offset_region( tmp, -window_rect->left, -window_rect->top );
subtract_region( tmp, tmp, win->update_region );
offset_region( tmp, window_rect->left, window_rect->top );
}
if (subtract_region( tmp, win_rgn, tmp )) win_rgn = tmp;
else free_region( tmp );
}
......
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