wayland: Ignore content sizes from libdecor when hiding a window When hiding a window, libdecor can report bogus content region sizes that are +/- the height of the title bar. Ignore any size values from libdecor when hiding a window, or the size may be incorrect when restored.
diff --git a/src/video/wayland/SDL_waylandwindow.c b/src/video/wayland/SDL_waylandwindow.c
index c297de1..dee6520 100644
--- a/src/video/wayland/SDL_waylandwindow.c
+++ b/src/video/wayland/SDL_waylandwindow.c
@@ -897,8 +897,15 @@ decoration_frame_configure(struct libdecor_frame *frame,
height = window->windowed.h;
wind->floating_resize_pending = SDL_FALSE;
} else {
+ /*
+ * XXX: When hiding a floating window, libdecor can send bogus content sizes that
+ * are +/- the height of the title bar, which distorts the window size.
+ * Ignore any values from libdecor when hiding a floating window.
+ */
+ const SDL_bool use_cached_size = (window->is_hiding || !!(window->flags & SDL_WINDOW_HIDDEN));
+
/* This will never set 0 for width/height unless the function returns false */
- if (!libdecor_configuration_get_content_size(configuration, frame, &width, &height)) {
+ if (use_cached_size || !libdecor_configuration_get_content_size(configuration, frame, &width, &height)) {
if (floating) {
/* This usually happens when we're being restored from a
* non-floating state, so use the cached floating size here.