From 2b2c0941cce3fd9cc13339bc1b90749b4dd1f897 Mon Sep 17 00:00:00 2001
From: Peter Penz <peter.penz19@gmail.com>
Date: Sun, 20 Jul 2008 01:33:55 +0000
Subject: fix crash in Folder Panel (= treeview) when Dolphin gets closed
 before the panel got polished

BUG: 167044

svn path=/trunk/KDE/kdebase/apps/; revision=835169
---
 src/ktreeview.cpp | 28 +++++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

(limited to 'src/ktreeview.cpp')

diff --git a/src/ktreeview.cpp b/src/ktreeview.cpp
index cb7560b20..5c665ee99 100644
--- a/src/ktreeview.cpp
+++ b/src/ktreeview.cpp
@@ -23,6 +23,7 @@
 
 #include <KGlobalSettings>
 
+#include <QEvent>
 #include <QItemSelectionModel>
 #include <QScrollBar>
 #include <QTimer>
@@ -37,10 +38,15 @@ KTreeView::KTreeViewPrivate::KTreeViewPrivate(KTreeView *parent) :
     startScrollTimer = new QTimer(this);
     startScrollTimer->setSingleShot(true);
     startScrollTimer->setInterval(300);
+
+    timeLine = new QTimeLine(300, this);
+}
+
+void KTreeView::KTreeViewPrivate::connectScrollTimers()
+{
     connect(startScrollTimer, SIGNAL(timeout()),
             this, SLOT(startScrolling()));
 
-    timeLine = new QTimeLine(300, this);
     connect(timeLine, SIGNAL(frameChanged(int)),
             this, SLOT(updateVerticalScrollBar(int)));
 
@@ -54,10 +60,6 @@ KTreeView::KTreeViewPrivate::KTreeViewPrivate(KTreeView *parent) :
             startScrollTimer, SLOT(start()));
 }
 
-KTreeView::~KTreeView()
-{
-}
-
 void KTreeView::KTreeViewPrivate::startScrolling()
 {
     QModelIndex index;
@@ -130,14 +132,18 @@ void KTreeView::KTreeViewPrivate::updateVerticalScrollBar(int value)
 // ************************************************
 
 KTreeView::KTreeView(QWidget *parent) :
-	QTreeView(parent),
-	d(new KTreeViewPrivate(this))
+    QTreeView(parent),
+    d(new KTreeViewPrivate(this))
 {
     if (KGlobalSettings::graphicEffectsLevel() >= KGlobalSettings::SimpleAnimationEffects) {
         setAutoHorizontalScroll(true);
     }
 }
 
+KTreeView::~KTreeView()
+{
+}
+
 void KTreeView::setAutoHorizontalScroll(bool value)
 {
 	d->autoHorizontalScroll = value;
@@ -169,5 +175,13 @@ void KTreeView::scrollTo(const QModelIndex& index, ScrollHint hint)
     }
 }
 
+bool KTreeView::event(QEvent* event)
+{
+    if (event->type() == QEvent::Polish) {
+        d->connectScrollTimers();
+    }
+    return QTreeView::event(event);
+}
+
 #include "ktreeview.moc"
 #include "ktreeview_p.moc"
-- 
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