Fix tooltips without a transient parent

QToolTip has the same problems as QMenu, that is you can create one
without a parent and with a global position. Use the same trick and
use the window that last received an input event as the parent.

Change-Id: I093c8da0d54110903f35670b01dea6fa96abecf4
Reviewed-by: Robin Burchell <robin.burchell@viroteck.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/src/client/qwaylandwlshellsurface.cpp b/src/client/qwaylandwlshellsurface.cpp
index 8888dbf4d..f7bdc2c99 100644
--- a/src/client/qwaylandwlshellsurface.cpp
+++ b/src/client/qwaylandwlshellsurface.cpp
@@ -159,8 +159,7 @@ void QWaylandWlShellSurface::updateTransientParent(QWindow *parent)
 
     // set_transient expects a position relative to the parent
     QPoint transientPos = m_window->geometry().topLeft(); // this is absolute
-    QWindow *parentWin = m_window->window()->transientParent();
-    transientPos -= parentWin->geometry().topLeft();
+    transientPos -= parent->geometry().topLeft();
     if (parent_wayland_window->decoration()) {
         transientPos.setX(transientPos.x() + parent_wayland_window->decoration()->margins().left());
         transientPos.setY(transientPos.y() + parent_wayland_window->decoration()->margins().top());