From ea49c2e19db60dc41ce8e7525f6473b84fec48f6 Mon Sep 17 00:00:00 2001
From: David Redondo <qt@david-redondo.de>
Date: Wed, 8 Dec 2021 11:53:00 +0100
Subject: [PATCH] Handle the transientParent of a window having another kind of
 surface

Useful for the current work of allowing multiple shells in one process.

Change-Id: I68424687df9069fd4339f2764649db1df70a6c9a
Reviewed-by: David Edmundson <davidedmundson@kde.org>
---
 .../plugins/shellintegration/xdg-shell/qwaylandxdgshell.cpp     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell/qwaylandxdgshell.cpp b/src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell/qwaylandxdgshell.cpp
index ad533606613..547631fd57e 100644
--- a/src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell/qwaylandxdgshell.cpp
+++ b/src/plugins/platforms/wayland/plugins/shellintegration/xdg-shell/qwaylandxdgshell.cpp
@@ -258,7 +258,7 @@ QWaylandXdgSurface::QWaylandXdgSurface(QWaylandXdgShell *shell, ::xdg_surface *s
     } else {
         setToplevel();
         if (transientParent) {
-            auto parentXdgSurface = static_cast<QWaylandXdgSurface *>(transientParent->shellSurface());
+            auto parentXdgSurface = qobject_cast<QWaylandXdgSurface *>(transientParent->shellSurface());
             if (parentXdgSurface)
                 m_toplevel->set_parent(parentXdgSurface->m_toplevel->object());
         }