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/*
*
* $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 <tqtimer.h>
#include <tqlistview.h>
#include <kpixmap.h>
#include <kpixmapeffect.h>
K3bListViewItemAnimator::K3bListViewItemAnimator( TQObject* parent, const char* name )
: TQObject( parent, name )
{
init();
}
K3bListViewItemAnimator::K3bListViewItemAnimator( TQListViewItem* item, int col, TQObject* parent, const char* name )
: TQObject( parent, name )
{
init();
setItem( item, col );
}
K3bListViewItemAnimator::~K3bListViewItemAnimator()
{
}
TQListViewItem* K3bListViewItemAnimator::item() const
{
return m_item;
}
void K3bListViewItemAnimator::init()
{
m_item = 0;
m_column = 0;
m_timer = new TQTimer( this );
connect( m_timer, TQT_SIGNAL(timeout()), this, TQT_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( TQListViewItem* 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 TQPixmap& p )
{
m_pixmap = p;
start();
}
void K3bListViewItemAnimator::setColumn( int col )
{
m_column = col;
start();
}
void K3bListViewItemAnimator::setFadeColor( const TQColor& 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"
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