lmms/include/automation_pattern.h

/*
 * automation_pattern.h - declaration of class automationPattern, which contains
 *                        all information about an automation pattern
 *
 * Copyright (c) 2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
 * Copyright (c) 2006-2008 Javier Serrano Polo <jasp00/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 _AUTOMATION_PATTERN_H
#define _AUTOMATION_PATTERN_H

#include <QtCore/QPointer>

#include "track.h"


class automationTrack;
class midiTime;



class EXPORT automationPattern : public trackContentObject
{
	Q_OBJECT
public:
	typedef QMap<int, float> timeMap;
	typedef QVector<QPointer<automatableModel> > objectVector;

	automationPattern( automationTrack * _auto_track );
	automationPattern( const automationPattern & _pat_to_copy );
	virtual ~automationPattern();

	inline void addObject( automatableModel * _obj )
	{
		m_objects += _obj;
	}

	const automatableModel * firstObject( void );

	virtual midiTime length( void ) const;

	midiTime putValue( const midiTime & _time, const float _value,
					const bool _quant_pos = TRUE );

	void removeValue( const midiTime & _time );

	inline const timeMap & getTimeMap( void ) const
	{
		return( m_timeMap );
	}

	inline timeMap & getTimeMap( void )
	{
		return( m_timeMap );
	}

	inline bool hasAutomation( void ) const
	{
		return( m_dynamic || getTimeMap()[0] != 0 );
	}

	float valueAt( const midiTime & _time );

	const QString name( void ) const;

	// settings-management
	virtual void saveSettings( QDomDocument & _doc, QDomElement & _parent );
	virtual void loadSettings( const QDomElement & _this );

	static inline const QString classNodeName( void )
	{
		return( "automationpattern" );
	}

	inline virtual QString nodeName( void ) const
	{
		return( classNodeName() );
	}

	void processMidiTime( const midiTime & _time );

	inline bool updateFirst( void ) const
	{
		return( m_updateFirst );
	}

	inline void setUpdateFirst( bool _update )
	{
		m_updateFirst = _update;
	}

	virtual trackContentObjectView * createView( trackView * _tv );


	static bool isAutomated( const automatableModel * _m );
	static automationPattern * globalAutomationPattern(
							automatableModel * _m );
	static void resolveAllIDs( void );


public slots:
	void openInAutomationEditor( void );
	void clear( void );


private:
	automationTrack * m_autoTrack;
	QVector<jo_id_t> m_idsToResolve;
	objectVector m_objects;
	timeMap m_timeMap;	// actual values
	bool m_updateFirst;	// init-value set?
	bool m_dynamic;		// more than 1 value?


	friend class automationPatternView;

} ;



class automationPatternView : public trackContentObjectView
{
	Q_OBJECT
public:
	automationPatternView( automationPattern * _pat, trackView * _parent );
	virtual ~automationPatternView();


public slots:
	virtual void update( void );


protected slots:
	void resetName( void );
	void changeName( void );
	void disconnectObject( QAction * _a );


protected:
	virtual void constructContextMenu( QMenu * );
	virtual void mouseDoubleClickEvent( QMouseEvent * _me );
	virtual void paintEvent( QPaintEvent * _pe );
	virtual void resizeEvent( QResizeEvent * _re )
	{
		m_needsUpdate = TRUE;
		trackContentObjectView::resizeEvent( _re );
	}
	virtual void dragEnterEvent( QDragEnterEvent * _dee );
	virtual void dropEvent( QDropEvent * _de );


private:
	automationPattern * m_pat;
	QPixmap m_paintPixmap;
	bool m_needsUpdate;

} ;



#endif