1 files changed, 137 insertions, 0 deletions
diff --git a/libk3b/tools/k3blistviewitemanimator.cpp b/libk3b/tools/k3blistviewitemanimator.cpp
new file mode 100644
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--- /dev/null
+++ b/libk3b/tools/k3blistviewitemanimator.cpp
@@ -0,0 +1,137 @@
+/*
+ *
+ * $Id: k3blistviewitemanimator.cpp 689561 2007-07-18 15:19:38Z trueg $
+ * Copyright (C) 2004 Sebastian Trueg <trueg@k3b.org>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#include "k3blistviewitemanimator.h"
+
+#include <qtimer.h>
+#include <qlistview.h>
+
+#include <kpixmap.h>
+#include <kpixmapeffect.h>
+
+
+K3bListViewItemAnimator::K3bListViewItemAnimator( QObject* parent, const char* name )
+  : QObject( parent, name )
+{
+  init();
+}
+
+
+K3bListViewItemAnimator::K3bListViewItemAnimator( QListViewItem* item, int col, QObject* parent, const char* name )
+  : QObject( parent, name )
+{
+  init();
+  setItem( item, col );
+}
+
+
+K3bListViewItemAnimator::~K3bListViewItemAnimator()
+{
+}
+
+
+QListViewItem* K3bListViewItemAnimator::item() const
+{
+    return m_item;
+}
+
+
+void K3bListViewItemAnimator::init()
+{
+  m_item = 0;
+  m_column = 0;
+  m_timer = new QTimer( this );
+  connect( m_timer, SIGNAL(timeout()), this, SLOT(slotAnimate()) );
+}
+
+
+void K3bListViewItemAnimator::start()
+{
+  if( m_item && !m_pixmap.isNull() ) {
+    m_animationStep = 0;
+    m_animationBack = false;
+    m_timer->start( 150 );
+  }
+  else
+    stop();
+}
+
+
+void K3bListViewItemAnimator::stop()
+{
+  m_timer->stop();
+}
+
+
+void K3bListViewItemAnimator::setItem( QListViewItem* item, int col )
+{
+  m_item = item;
+  m_column = col;
+  m_pixmap = *item->pixmap(col);
+  m_fadeColor = item->listView()->colorGroup().base();
+  start();
+}
+
+
+void K3bListViewItemAnimator::setPixmap( const QPixmap& p )
+{
+  m_pixmap = p;
+  start();
+}
+
+
+void K3bListViewItemAnimator::setColumn( int col )
+{
+  m_column = col;
+  start();
+}
+
+
+void K3bListViewItemAnimator::setFadeColor( const QColor& c )
+{
+  m_fadeColor = c;
+  start();
+}
+
+
+void K3bListViewItemAnimator::slotAnimate()
+{
+  if( m_item->isVisible() ) {
+    double val = (double)m_animationStep;
+    val /= 10.0;
+    // we need a temp pixmap since KPixmapEffect changes our pixmap
+    KPixmap pix( m_pixmap );
+    m_item->setPixmap( m_column, KPixmapEffect::fade( pix, val, m_fadeColor ) );;
+  }
+
+  if( m_animationBack ) {
+    --m_animationStep;
+    if( m_animationStep < 0 ) {
+      // two steps full
+      m_animationStep = 0;
+      m_animationBack = false;
+    }
+  }
+  else {
+    ++m_animationStep;
+    // do not fade it completely
+    if( m_animationStep > 9 ) {
+      m_animationStep = 8;
+      m_animationBack = true;
+    }
+  }
+}
+
+#include "k3blistviewitemanimator.moc"