From a124f2ada3bc3f36862dd2e207ceb68672610929 Mon Sep 17 00:00:00 2001
From: Peter Penz <peter.penz19@gmail.com>
Date: Mon, 6 Oct 2008 16:56:39 +0000
Subject: [PATCH] remove the asynchronous update of the zooming again, it
 decreases the "feeled" performance

svn path=/trunk/KDE/kdebase/apps/; revision=868575
---
 src/dolphinstatusbar.cpp | 22 ++++------------------
 src/dolphinstatusbar.h   | 17 ++---------------
 2 files changed, 6 insertions(+), 33 deletions(-)

diff --git a/src/dolphinstatusbar.cpp b/src/dolphinstatusbar.cpp
index 84e18d3b6..eabbc77b1 100644
--- a/src/dolphinstatusbar.cpp
+++ b/src/dolphinstatusbar.cpp
@@ -39,10 +39,8 @@ DolphinStatusBar::DolphinStatusBar(QWidget* parent, DolphinView* view) :
     m_messageLabel(0),
     m_spaceInfo(0),
     m_zoomSlider(0),
-    m_zoomTimer(0),
     m_progressBar(0),
-    m_progress(100),
-    m_requestedZoomLevel(0)
+    m_progress(100)
 {
     setSpacing(4);
 
@@ -67,16 +65,10 @@ DolphinStatusBar::DolphinStatusBar(QWidget* parent, DolphinView* view) :
     m_zoomSlider->setValue(view->zoomLevel());
     
     connect(m_zoomSlider, SIGNAL(sliderMoved(int)),
-            this, SLOT(requestZoomLevel(int)));
+            this, SLOT(setZoomLevel(int)));
     connect(m_view, SIGNAL(zoomLevelChanged(int)),
             m_zoomSlider, SLOT(setValue(int)));
             
-    m_zoomTimer = new QTimer(this);
-    m_zoomTimer->setSingleShot(true);
-    m_zoomTimer->setInterval(50);
-    connect(m_zoomTimer, SIGNAL(timeout()),
-            this, SLOT(updateZoomLevel()));
-            
     // initialize progress informatino
     m_progressText = new QLabel(this);
     m_progressText->hide();
@@ -210,15 +202,9 @@ void DolphinStatusBar::updateSpaceInfoContent(const KUrl& url)
     assureVisibleText();
 }
 
-void DolphinStatusBar::requestZoomLevel(int zoomLevel)
-{
-    m_requestedZoomLevel = zoomLevel;
-    m_zoomTimer->start();
-}
-
-void DolphinStatusBar::updateZoomLevel()
+void DolphinStatusBar::setZoomLevel(int zoomLevel)
 {
-    m_view->setZoomLevel(m_requestedZoomLevel);
+    m_view->setZoomLevel(zoomLevel);
 }
 
 void DolphinStatusBar::assureVisibleText()
diff --git a/src/dolphinstatusbar.h b/src/dolphinstatusbar.h
index 49f14357d..3cee1ed53 100644
--- a/src/dolphinstatusbar.h
+++ b/src/dolphinstatusbar.h
@@ -131,19 +131,9 @@ private slots:
     void updateSpaceInfoContent(const KUrl& url);
     
     /**
-     * Requests setting the zoom level to \a zoomLevel by applying it
-     * to m_requestedZoomLevel and triggering a short timer, which will
-     * invoke DolphinStatusBar::updateZoomLevel(). This assures no blocking
-     * of the zoom slider when zooming views having a huge number of
-     * items.
+     * Sets the zoom level of the item view to \a zoomLevel.
      */
-    void requestZoomLevel(int zoomLevel);
-
-    /**
-     * Updates the zoom level to m_requestedZoomLevel (see also
-     * DolphinStatusBar::requestZoomLevel().
-     */
-    void updateZoomLevel();
+    void setZoomLevel(int zoomLevel);
 
     /**
      * Assures that the text of the statusbar stays visible by hiding
@@ -166,13 +156,10 @@ private:
     StatusBarMessageLabel* m_messageLabel;
     StatusBarSpaceInfo* m_spaceInfo;
     QSlider* m_zoomSlider;
-    QTimer* m_zoomTimer;
 
     QLabel* m_progressText;
     QProgressBar* m_progressBar;
     int m_progress;
-    
-    int m_requestedZoomLevel;
 };
 
 #endif
-- 
2.47.3