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123 lines
3.4 KiB
123 lines
3.4 KiB
/*****************************************************************************
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* animators.cpp: Object animators
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****************************************************************************
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* Copyright (C) 2006-2014 the VideoLAN team
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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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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#include "animators.hpp"
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#include "qt.hpp"
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#include <QWidget>
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#include <QPixmap>
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#include <QAbstractItemView>
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BasicAnimator::BasicAnimator( QObject *parent )
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: QAbstractAnimation( parent ), current_frame( 0 )
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{
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setFps( 15 );
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setLoopCount( -1 );
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}
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void BasicAnimator::updateCurrentTime( int msecs )
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{
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msecs += (interval / 2);
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int i = ( msecs / interval );
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if ( i != current_frame )
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{
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current_frame = i;
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emit frameChanged();
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}
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}
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PixmapAnimator::PixmapAnimator( QWidget *parent, QList<QString> frames )
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: BasicAnimator( parent )
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{
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foreach( QString name, frames )
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pixmaps.append( new QPixmap( name ) );
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currentPixmap = pixmaps.at( 0 );
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setFps( frames.count() ); /* default to 1 sec loop */
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}
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PixmapAnimator::~PixmapAnimator()
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{
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qDeleteAll( pixmaps );
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}
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void PixmapAnimator::updateCurrentTime( int msecs )
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{
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int i = msecs / interval;
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if ( i >= pixmaps.count() ) i = pixmaps.count() - 1; /* roundings */
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if ( i != current_frame )
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{
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current_frame = i;
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currentPixmap = pixmaps.at( current_frame );
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emit pixmapReady( *currentPixmap );
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}
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}
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DelegateAnimationHelper::DelegateAnimationHelper( QAbstractItemView *view_,
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BasicAnimator *animator_ )
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: QObject( view_ ), view( view_ ), animator( animator_ )
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{
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if ( !animator )
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{
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animator = new BasicAnimator( this );
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animator->setFps( 15 );
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animator->setLoopCount( -1 );
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}
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setIndex( QModelIndex() );
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CONNECT( animator, frameChanged(), this, updateDelegate() );
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}
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void DelegateAnimationHelper::setIndex( const QModelIndex &index_ )
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{
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index = QPersistentModelIndex( index_ );
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}
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void DelegateAnimationHelper::run( bool b_run )
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{
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if ( b_run )
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{
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if ( ! isRunning() ) animator->start();
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}
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else
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animator->stop();
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}
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bool DelegateAnimationHelper::isRunning() const
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{
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return ( animator->state() == QAbstractAnimation::Running );
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}
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const QPersistentModelIndex & DelegateAnimationHelper::getIndex() const
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{
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return index;
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}
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void DelegateAnimationHelper::updateDelegate()
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{
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/* Prevent running indefinitively if removed from model */
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if ( !index.isValid() )
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run( false );
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else
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{
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if ( view->viewport() )
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view->viewport()->update();
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else
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view->update( index );
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}
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}
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