From 309272b6f932a1c3a0728aedd7ad22fa9290f264 Mon Sep 17 00:00:00 2001
From: "Aaron J. Seigo" <aseigo@kde.org>
Date: Tue, 1 Sep 2009 11:00:10 +0000
Subject: [PATCH] don't repaint the entire widget when we're setting the same
 content CCBUG:204491

svn path=/trunk/KDE/kdelibs/; revision=1018140
---
 extenderitem.cpp | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/extenderitem.cpp b/extenderitem.cpp
index 3404f7a56..d11508978 100644
--- a/extenderitem.cpp
+++ b/extenderitem.cpp
@@ -156,9 +156,11 @@ KConfigGroup ExtenderItem::config() const
 
 void ExtenderItem::setTitle(const QString &title)
 {
-    d->title = title;
-    config().writeEntry("extenderTitle", title);
-    update();
+    if (d->title != title) {
+        d->title = title;
+        config().writeEntry("extenderTitle", title);
+        update();
+    }
 }
 
 QString ExtenderItem::title() const
@@ -205,8 +207,10 @@ QGraphicsItem *ExtenderItem::widget() const
 
 void ExtenderItem::setIcon(const QIcon &icon)
 {
-    d->iconName.clear();
-    d->collapseIcon->setIcon(icon);
+    if (d->collapseIcon->icon().isNull() || icon.cacheKey() != d->collapseIcon->icon().cacheKey()) {
+        d->iconName.clear();
+        d->collapseIcon->setIcon(icon);
+    }
 }
 
 void ExtenderItem::setIcon(const QString &icon)