[PATCH 1/1] winewayland: Only detach/attach client surface if it is different.

[Rémi Bernon]

From: Rémi Bernon

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=58423
---
 dlls/winewayland.drv/window.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/dlls/winewayland.drv/window.c b/dlls/winewayland.drv/window.c
index 8077767a26f..cf1e4d2d99b 100644
--- a/dlls/winewayland.drv/window.c
+++ b/dlls/winewayland.drv/window.c
@@ -785,15 +785,18 @@ void set_client_surface(HWND hwnd, struct wayland_client_surface *new_client)

if (!(data = wayland_win_data_get(hwnd))) return;

-    if ((old_client = data->client_surface))
-        wayland_client_surface_detach(old_client);
-
-    if ((data->client_surface = new_client))
+    if (new_client != data->client_surface)
     {
-        if (toplevel && NtUserIsWindowVisible(hwnd))
-            wayland_client_surface_attach(new_client, toplevel);
-        else
-            wayland_client_surface_detach(new_client);
+        if ((old_client = data->client_surface))
+            wayland_client_surface_detach(old_client);
+
+        if ((data->client_surface = new_client))
+        {
+            if (toplevel && NtUserIsWindowVisible(hwnd))
+                wayland_client_surface_attach(new_client, toplevel);
+            else
+                wayland_client_surface_detach(new_client);
+        }
     }

wayland_win_data_release(data);