From 8e967abc2d1471db1ba35ebcb68f3f5526bb33dd Mon Sep 17 00:00:00 2001
From: Marco Martin <notmart@gmail.com>
Date: Wed, 16 Dec 2009 14:19:10 +0000
Subject: [PATCH] avoid view sync more than every 150 msecs, avoids cpu hogging
 and displaying garbage BUG:206946

svn path=/trunk/KDE/kdelibs/; revision=1062972
---
 dialog.cpp | 7 ++++++-
 dialog.h   | 1 +
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/dialog.cpp b/dialog.cpp
index 70facb8b7..2b148994a 100644
--- a/dialog.cpp
+++ b/dialog.cpp
@@ -95,6 +95,7 @@ public:
     QMap<Dialog::ResizeCorner, QRect> resizeAreas;
     int resizeStartCorner;
     QTimer *moveTimer;
+    QTimer *adjustViewTimer;
     Plasma::AspectRatioMode aspectRatioMode;
 };
 
@@ -280,6 +281,10 @@ Dialog::Dialog(QWidget *parent, Qt::WindowFlags f)
     pal.setColor(backgroundRole(), Qt::transparent);
     setPalette(pal);
 
+    d->adjustViewTimer = new QTimer(this);
+    d->adjustViewTimer->setSingleShot(true);
+    connect(d->adjustViewTimer, SIGNAL(timeout()), this, SLOT(adjustView()));
+
     connect(d->background, SIGNAL(repaintNeeded()), this, SLOT(update()));
 
     connect(Plasma::Theme::defaultTheme(), SIGNAL(themeChanged()), this, SLOT(themeChanged()));
@@ -527,7 +532,7 @@ bool Dialog::eventFilter(QObject *watched, QEvent *event)
 {
     if (d->resizeStartCorner == Dialog::NoCorner && watched == d->graphicsWidget &&
         (event->type() == QEvent::GraphicsSceneResize || event->type() == QEvent::GraphicsSceneMove)) {
-        d->adjustView();
+        d->adjustViewTimer->start(150);
     }
 
     return QWidget::eventFilter(watched, event);
diff --git a/dialog.h b/dialog.h
index 3a83b097c..76e11cd43 100644
--- a/dialog.h
+++ b/dialog.h
@@ -167,6 +167,7 @@ class PLASMA_EXPORT Dialog : public QWidget
          * React to theme changes
          */
         Q_PRIVATE_SLOT(d, void themeChanged())
+        Q_PRIVATE_SLOT(d, void adjustView())
 };
 
 } // Plasma namespace