File 0037-Appmenu-Applet-Check-whether-buttonGrid-has-a-window.patch of Package plasma5-workspace

From ade929650b7590284ffe0f266a45bd0624e95e43 Mon Sep 17 00:00:00 2001
From: Kai Uwe Broulik <kde@privat.broulik.de>
Date: Tue, 31 Jan 2017 17:07:41 +0100
Subject: [PATCH 37/44] [Appmenu Applet] Check whether buttonGrid has a window
 before calling mapToGlobal

It can happen this isn't the case after moving panels around and then playing around
with the menu button.
---
 applets/appmenu/lib/appmenuapplet.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/applets/appmenu/lib/appmenuapplet.cpp b/applets/appmenu/lib/appmenuapplet.cpp
index 85b28295..444893fc 100644
--- a/applets/appmenu/lib/appmenuapplet.cpp
+++ b/applets/appmenu/lib/appmenuapplet.cpp
@@ -228,7 +228,7 @@ bool AppMenuApplet::eventFilter(QObject *watched, QEvent *event)
     } else if (event->type() == QEvent::MouseMove) {
         auto *e = static_cast<QMouseEvent *>(event);
 
-        if (!m_buttonGrid) {
+        if (!m_buttonGrid || !m_buttonGrid->window()) {
             return false;
         }
 
-- 
2.12.0