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