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wayland: Ignore bogus libdecor content sizes if an unmapped window is suspended

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If a client takes a long time to present the first frame after creating the window, a configure event to set the suspended state may arrive with libdecor increasing the content size by the decoration dimensions, which should be ignored.
This commit is contained in:
Frank Praznik 2025-09-24 09:57:55 -04:00
parent 45480f5fe5
commit 9d5d7010de
1 changed files with 6 additions and 1 deletions
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7
src/video/wayland/SDL_waylandwindow.c
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@ -1326,8 +1326,13 @@ static void decoration_frame_configure(struct libdecor_frame *frame,
} else {
/* Don't apply the supplied dimensions if they haven't changed from the last configuration
* event, or a newer size set programmatically can be overwritten by old data.
*
* If a client takes a long time to present the first frame after creating the window, a
* configure event to set the suspended state may arrive with the content size increased
* by the decoration dimensions, which should also be ignored.
*/
if (width != wind->last_configure.width || height != wind->last_configure.height) {
if ((width != wind->last_configure.width || height != wind->last_configure.height) &&
!(wind->shell_surface_status == WAYLAND_SHELL_SURFACE_STATUS_WAITING_FOR_FRAME && wind->suspended != suspended)) {
wind->requested.logical_width = width;
wind->requested.logical_height = height;