SDL2/0004-wayland-Avoid-calling-SetFullscreen-in-libdecor-Show.patch

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From e1b4761c621e9883c3f02971ea74cef14b1d6b87 Mon Sep 17 00:00:00 2001
From: Ethan Lee <flibitijibibo@gmail.com>
Date: Thu, 20 Jan 2022 14:10:56 -0500
Subject: [PATCH 04/11] wayland: Avoid calling SetFullscreen in libdecor
ShowWindow.
This caused some weird stuff to happen in the libdecor path, probably because
the window hasn't actually been mapped yet. It ends up calling stuff that
should not yet apply, and so fullscreen in particular would have a really
messed up titlebar.
The good news is, libdecor is good about tracking fullscreen state, so we can
let the callback do this for us. Keep this for xdg_shell because we actually
map the window ourselves, so we know this call is valid for that path.
---
src/video/wayland/SDL_waylandwindow.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/video/wayland/SDL_waylandwindow.c b/src/video/wayland/SDL_waylandwindow.c
index 80bb66878..3b21af7be 100644
--- a/src/video/wayland/SDL_waylandwindow.c
+++ b/src/video/wayland/SDL_waylandwindow.c
@@ -724,7 +724,6 @@ void Wayland_ShowWindow(_THIS, SDL_Window *window)
{
SDL_VideoData *c = _this->driverdata;
SDL_WindowData *data = window->driverdata;
- SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
/* Detach any previous buffers before resetting everything, otherwise when
* calling this a second time you'll get an annoying protocol error
@@ -766,7 +765,6 @@ void Wayland_ShowWindow(_THIS, SDL_Window *window)
if (window->flags & SDL_WINDOW_MINIMIZED) {
Wayland_MinimizeWindow(_this, window);
}
- Wayland_SetWindowFullscreen(_this, window, display, (window->flags & SDL_WINDOW_FULLSCREEN) != 0);
/* We have to wait until the surface gets a "configure" event, or use of
* this surface will fail. This is a new rule for xdg_shell.
@@ -782,6 +780,12 @@ void Wayland_ShowWindow(_THIS, SDL_Window *window)
} else
#endif
if (c->shell.xdg) {
+ /* Unlike libdecor we need to call this explicitly to prevent a deadlock.
+ * libdecor will call this as part of their configure event!
+ * -flibit
+ */
+ Wayland_SetWindowFullscreen(_this, window, SDL_GetDisplayForWindow(window),
+ (window->flags & SDL_WINDOW_FULLSCREEN) != 0);
if (data->shell_surface.xdg.surface) {
while (!data->shell_surface.xdg.initial_configure_seen) {
WAYLAND_wl_display_flush(c->display);
--
2.34.1