From 89efdef96cbf2f3937c030555cf47e568c90866a Mon Sep 17 00:00:00 2001
From: "Aaron J. Seigo" <aseigo@kde.org>
Date: Fri, 4 Jun 2010 17:20:57 +0000
Subject: [PATCH] bounds checks BUG:240724

svn path=/trunk/KDE/kdelibs/; revision=1134602
---
 widgets/slider.cpp | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/widgets/slider.cpp b/widgets/slider.cpp
index e96d8b26d..1b40d1450 100644
--- a/widgets/slider.cpp
+++ b/widgets/slider.cpp
@@ -145,8 +145,7 @@ void Slider::paint(QPainter *painter,
         style->drawComplexControl(QStyle::CC_Slider, &sliderOpt, painter, slider);
     }
 
-    QRect handleRect =
-        style->subControlRect(QStyle::CC_Slider, &sliderOpt, QStyle::SC_SliderHandle, slider);
+    QRect handleRect = style->subControlRect(QStyle::CC_Slider, &sliderOpt, QStyle::SC_SliderHandle, slider);
 
     QString handle;
     if (sliderOpt.orientation == Qt::Horizontal) {
@@ -157,6 +156,22 @@ void Slider::paint(QPainter *painter,
 
     QRect elementRect = d->background->elementRect(handle).toRect();
     elementRect.moveCenter(handleRect.center());
+    if (elementRect.right() > rect().right()) {
+        elementRect.moveRight(rect().right());
+    }
+
+    if (elementRect.left() < rect().left()) {
+        elementRect.moveLeft(rect().left());
+    }
+
+    if (elementRect.top() < rect().top()) {
+        elementRect.moveTop(rect().top());
+    }
+
+    if (elementRect.bottom() > rect().bottom()) {
+        elementRect.moveBottom(rect().bottom());
+    }
+
     if (orientation() == Qt::Vertical) {
         d->focusIndicator->setCustomPrefix("vertical-slider");
     } else {
@@ -164,7 +179,6 @@ void Slider::paint(QPainter *painter,
     }
     d->focusIndicator->setCustomGeometry(elementRect);
     d->background->paint(painter, elementRect, handle);
-
 }
 
 void Slider::wheelEvent(QGraphicsSceneWheelEvent *event)