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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.

(cherry picked from commit 9d5d7010de)
This commit is contained in:
Frank Praznik 2025-09-24 09:57:55 -04:00
parent 00718d60d2
commit 6519158ae5
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1 changed files with 6 additions and 1 deletions
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7
src/video/wayland/SDL_waylandwindow.c
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@ -1295,8 +1295,13 @@ 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;