From 09ae2f274b417bab4abee8900c5ad0a8f01d65b1 Mon Sep 17 00:00:00 2001
From: Benjamin Poulain <benjamin.poulain@nokia.com>
Date: Thu, 28 May 2009 16:39:48 +0200
Subject: Scroll the dirty region with WA_PaintOnScreen

When QWidget::scroll() is called on a widget with WA_PaintOnScreen,
scroll the dirty region.

Task-number: 254742
Reviewed-by: bnilsen
---
 src/gui/kernel/qwidget_x11.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/gui/kernel/qwidget_x11.cpp b/src/gui/kernel/qwidget_x11.cpp
index 6202b35fd4..e00c37cf5d 100644
--- a/src/gui/kernel/qwidget_x11.cpp
+++ b/src/gui/kernel/qwidget_x11.cpp
@@ -2487,6 +2487,8 @@ void QWidgetPrivate::scroll_sys(int dx, int dy, const QRect &r)
     QRect sr = valid_rect ? r : clipRect();
     if (just_update)
         q->update();
+    else if (!valid_rect)
+        dirty.translate(dx, dy);
 
     int x1, y1, x2, y2, w = sr.width(), h = sr.height();
     if (dx > 0) {
-- 
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