From ddb24eaf0a2a1cdf6c20284cac99813b827c2fe3 Mon Sep 17 00:00:00 2001
From: Vlad Zahorodnii <vlad.zahorodnii@kde.org>
Date: Thu, 24 Sep 2020 17:15:57 +0300
Subject: [PATCH] Fix ghost shadows left by context menus

If the shadow is destroyed immediately before the window is destroyed,
we need to schedule a workspace repaint in order to prevent showing a
"ghost" shadow.

BUG: 425294
---
 toplevel.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/toplevel.cpp b/toplevel.cpp
index a83367a81..ff854b743 100644
--- a/toplevel.cpp
+++ b/toplevel.cpp
@@ -583,6 +583,7 @@ void Toplevel::updateShadow()
 {
     QRect dirtyRect;  // old & new shadow region
     const QRect oldVisibleRect = visibleRect();
+    addWorkspaceRepaint(oldVisibleRect);
     if (shadow()) {
         dirtyRect = shadow()->shadowRegion().boundingRect();
         if (!effectWindow()->sceneWindow()->shadow()->updateShadow()) {