Files
lmms/include/gui/tracks/track_content_object_item.h
Tobias Doerffel 166701f9f3 sed: s/( void )/(), s/FALSE/false/, s/TRUE/true
Replaced remaining occurences of old constants and superfluous "void"
on empty argument list of functions.
2009-08-24 23:25:26 +02:00

104 lines
2.6 KiB
C++

/*
* track_content_object_item.h - the base-class for TCOs on the song Editor.
*
* Copyright (c) 2009 Paul Giblock <pgib/at/users.sourceforge.net>
*
* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#ifndef TRACK_CONTENT_OBJECT_ITEM_H_
#define TRACK_CONTENT_OBJECT_ITEM_H_
#include <QtCore/QTimeLine>
#include <QtCore/QVector>
#include <QtGui/QGraphicsScene>
#include <QtGui/QGraphicsItem>
#include <QtGui/QGraphicsItemAnimation>
#include <QtGui/QPainter>
#include <math.h>
#include "lmms_basics.h"
class trackContentObject;
class TrackItem;
class TrackContentObjectItem : public QObject, public QGraphicsItem
{
Q_OBJECT
friend class TrackContainerScene;
public:
TrackContentObjectItem( TrackItem * _track, trackContentObject * _object );
virtual ~TrackContentObjectItem()
{
if( m_snapBackAnimation != NULL )
{
delete m_snapBackAnimation;
}
};
QRectF boundingRect() const;
void paint( QPainter * _painter, const QStyleOptionGraphicsItem * _option,
QWidget * _widget );
virtual qreal zValue() const;
// For TrackItem to call
void updateGeometry();
virtual bool resizable()
{
return false;
}
protected:
virtual QVariant itemChange( GraphicsItemChange _change, const QVariant & _value );
virtual void mousePressEvent( QGraphicsSceneMouseEvent * event );
virtual void mouseReleaseEvent( QGraphicsSceneMouseEvent * event );
virtual void hoverEnterEvent( QGraphicsSceneHoverEvent * event );
virtual void hoverLeaveEvent( QGraphicsSceneHoverEvent * event );
void prepareSnapBackAnimation( QTimeLine * timeLine );
void prepareSnapBackAnimation( QTimeLine * timeLine, int newX );
protected slots:
void updateLength();
void updatePosition();
protected:
QPointF m_lastPos;
QPointF m_lastDest;
tact_t m_length;
QGraphicsItemAnimation * m_snapBackAnimation;
static QTimeLine s_snapBackTimeLine;
TrackItem * m_trackItem;
trackContentObject * m_tco;
bool m_hover;
};
#endif