From 0db8f929b935650698d3bcb09a52cc30e4abbb2e Mon Sep 17 00:00:00 2001
From: Robert Kausch <robert.kausch@freac.org>
Date: Tue, 13 Oct 2020 20:26:48 +0200
Subject: [PATCH] Fix drawing issues on KDE systems.

---
 ChangeLog                     | 4 ++++
 classes/gui/window/window.cpp | 3 ++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index ec5724e3..1ce4786a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 ChangeLog for smooth
 
+dd.mm.20 hh:mm - smooth alpha 0.9.7
+
+- window.cpp		- fixed drawing issues on KDE systems
+
 10.10.20 18:20 - smooth alpha 0.9.6
 
 - surfacegdi.cpp	- fixed too high DPI values being reported
diff --git a/classes/gui/window/window.cpp b/classes/gui/window/window.cpp
index b5523160..22a30836 100755
--- a/classes/gui/window/window.cpp
+++ b/classes/gui/window/window.cpp
@@ -578,7 +578,8 @@ S::Int S::GUI::Window::Process(Int message, Int wParam, Int lParam)
 			{
 				Bool	 resized = (updateRect == Rect(Point(-1, -1), Size(0, 0)));
 
-				updateRect = backend->GetUpdateRect();
+				if (resized) updateRect = Rect(Point(0, 0), GetRealSize());
+				else	     updateRect = backend->GetUpdateRect();
 
 				Paint(resized ? SP_PAINT : SP_UPDATE);