From dbf3584a9bee346e85333bf59fe8ccee6c428c8d Mon Sep 17 00:00:00 2001
From: msizanoen1 <msizanoen@qtmlabs.xyz>
Date: Sun, 27 Nov 2022 22:40:36 +0700
Subject: [PATCH] window/xwayland: Handle _NET_WM_FULLSCREEN_MONITORS for
 XRandR emulation

Handle a specific case of _NET_WM_FULLSCREEN_MONITORS used by GLFW to
make XRandR emulation work with it.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2725>
---
 src/core/constraints.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/core/constraints.c b/src/core/constraints.c
index d9e4c75b5..d9aa99392 100644
--- a/src/core/constraints.c
+++ b/src/core/constraints.c
@@ -467,6 +467,11 @@ setup_constraint_info (MetaBackend         *backend,
       meta_rectangle_union (&info->entire_monitor,
                             &window->fullscreen_monitors.right->rect,
                             &info->entire_monitor);
+      if (window->fullscreen_monitors.top == logical_monitor &&
+          window->fullscreen_monitors.bottom == logical_monitor &&
+          window->fullscreen_monitors.left == logical_monitor &&
+          window->fullscreen_monitors.right == logical_monitor)
+        meta_window_adjust_fullscreen_monitor_rect (window, &info->entire_monitor);
     }
   else
     {