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/*
* TrackContainerView.h - view-component for TrackContainer
*
* Copyright (c) 2004-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of LMMS - https://lmms.io
*
* 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_CONTAINER_VIEW_H
#define TRACK_CONTAINER_VIEW_H
#include <QtCore/QVector>
#include <QScrollArea>
#include <QWidget>
#include <QThread>
#include "Track.h"
#include "JournallingObject.h"
#include "InstrumentTrack.h"
class QVBoxLayout;
class TrackContainer;
class TrackContainerView : public QWidget, public ModelView,
public JournallingObject,
public SerializingObjectHook
{
Q_OBJECT
public:
TrackContainerView( TrackContainer* tc );
virtual ~TrackContainerView();
virtual void saveSettings( QDomDocument & _doc, QDomElement & _this );
virtual void loadSettings( const QDomElement & _this );
QScrollArea * contentWidget()
{
return( m_scrollArea );
}
inline const MidiTime & currentPosition() const
{
return( m_currentPosition );
}
virtual bool fixedTCOs() const
{
return( false );
}
inline float pixelsPerTact() const
{
return( m_ppt );
}
void setPixelsPerTact( int _ppt );
const TrackView * trackViewAt( const int _y ) const;
virtual bool allowRubberband() const;
inline bool rubberBandActive() const
{
return( m_rubberBand->isEnabled() && m_rubberBand->isVisible() );
}
inline QVector<selectableObject *> selectedObjects()
{
if( allowRubberband() == true )
{
return( m_rubberBand->selectedObjects() );
}
return( QVector<selectableObject *>() );
}
TrackContainer* model()
{
return m_tc;
}
const TrackContainer* model() const
{
return m_tc;
}
const QList<TrackView *> & trackViews() const
{
return( m_trackViews );
}
void moveTrackView( TrackView * trackView, int indexTo );
void moveTrackViewUp( TrackView * trackView );
void moveTrackViewDown( TrackView * trackView );
void scrollToTrackView( TrackView * _tv );
// -- for usage by trackView only ---------------
TrackView * addTrackView( TrackView * _tv );
void removeTrackView( TrackView * _tv );
// -------------------------------------------------------
void clearAllTracks();
virtual QString nodeName() const
{
return( "trackcontainerview" );
}
public slots:
void realignTracks();
TrackView * createTrackView( Track * _t );
void deleteTrackView( TrackView * _tv );
virtual void dropEvent( QDropEvent * _de );
virtual void dragEnterEvent( QDragEnterEvent * _dee );
///
/// \brief stopRubberBand
/// Removes the rubber band from display when finished with.
void stopRubberBand();
protected:
static const int DEFAULT_PIXELS_PER_TACT = 16;
virtual void resizeEvent( QResizeEvent * );
MidiTime m_currentPosition;
RubberBand *rubberBand() const;
private:
enum Actions
{
AddTrack,
RemoveTrack
} ;
class scrollArea : public QScrollArea
{
public:
scrollArea( TrackContainerView* parent );
virtual ~scrollArea();
protected:
virtual void wheelEvent( QWheelEvent * _we );
private:
TrackContainerView* m_trackContainerView;
} ;
TrackContainer* m_tc;
typedef QList<TrackView *> trackViewList;
trackViewList m_trackViews;
scrollArea * m_scrollArea;
QVBoxLayout * m_scrollLayout;
float m_ppt;
RubberBand * m_rubberBand;
signals:
void positionChanged( const MidiTime & _pos );
} ;
class InstrumentLoaderThread : public QThread
{
Q_OBJECT
public:
InstrumentLoaderThread( QObject *parent = 0, InstrumentTrack *it = 0,
QString name = "" );
void run();
private:
InstrumentTrack *m_it;
QString m_name;
QThread *m_containerThread;
};
#endif
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