From 0f49b5e7be73eb92aea42eca98295e8ffa8d558a Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Sun, 17 Mar 2019 01:36:06 +0100
Subject: [PATCH] LibGUI: Ignore GWindow::update() with an empty rect.

---
 LibGUI/GWindow.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/LibGUI/GWindow.cpp b/LibGUI/GWindow.cpp
index b079e2e988..5e246ac342 100644
--- a/LibGUI/GWindow.cpp
+++ b/LibGUI/GWindow.cpp
@@ -250,6 +250,8 @@ bool GWindow::is_visible() const
 
 void GWindow::update(const Rect& a_rect)
 {
+    if (a_rect.is_empty())
+        return;
     if (!m_window_id)
         return;
     for (auto& pending_rect : m_pending_paint_event_rects) {