/home/iurt/rpm/BUILD/canorus-0.7.R1002/src/core/voice.h

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#ifndef VOICE_H_
#define VOICE_H_

#include <QList>

#include "core/muselement.h"
#include "core/note.h"

class CAKeySignature;
class CATimeSignature;
class CAClef;
class CALyricsContext;
class CARest;

class CAVoice {
        friend class CAStaff; // used for insertion of music elements and updateTimes() when inserting elements and synchronizing voices

public:
        CAVoice( const QString name, CAStaff *staff, CANote::CAStemDirection stemDirection=CANote::StemNeutral, int voiceNumber=0 );
        ~CAVoice();
        inline CAStaff *staff() { return _staff; }
        inline void setStaff(CAStaff *staff) { _staff = staff; }
        void clear();
        CAVoice *clone( CAStaff *newStaff = 0 );
        void cloneVoiceProperties( CAVoice* v );

        // Notes, rests and signs manipulation //
        void append( CAMusElement *elt, bool addToChord=false );
        bool insert( CAMusElement *eltAfter, CAMusElement *elt, bool addToChord=false );
        bool remove( CAMusElement *elt, bool updateSignsTimes=true );
        CAPlayable* insertInTupletAndVoiceAt( CAPlayable *p, CAPlayable *n );
        bool synchronizeMusElements();

        // Voice analysis and query //
        inline int musElementCount() { return musElementList().count(); }
        inline CAMusElement *musElementAt(int i) { return musElementList()[i]; }
        inline int indexOf(CAMusElement *elt) { return musElementList().indexOf(elt); }
        inline bool contains(CAMusElement *elt) { return musElementList().contains(elt); }

        QList<CAMusElement*> getSignList();
        QList<CANote*> getNoteList();
        bool containsPitch( int noteName , int timeStart );
        bool containsPitch( CADiatonicPitch p, int timeStart );
        CAMusElement *next(CAMusElement *elt);
        CAMusElement *previous(CAMusElement *elt);
        CAMusElement *nextByType(CAMusElement::CAMusElementType type, CAMusElement *elt);
        CAMusElement *previousByType(CAMusElement::CAMusElementType type, CAMusElement *elt);

        CANote *nextNote(int timeStart);
        CANote *previousNote(int timeStart);
        CARest *nextRest(int timeStart);
        CARest *previousRest(int timeStart);
        CAPlayable *nextPlayable(int timeStart);
        CAPlayable *previousPlayable(int timeStart);

        QList<CAMusElement*> getEltByType(CAMusElement::CAMusElementType type, int startTime);
        QList<CAMusElement*> getPreviousByType(CAMusElement::CAMusElementType type, int startTime);

        inline QList<CAMusElement*>& musElementList() { return _musElementList; }
        inline int lastTimeEnd() { return (musElementList().size()?musElementList().back()->timeEnd():0); }
        inline int lastTimeStart() { return (musElementList().size()?musElementList().back()->timeStart():0); }
        inline CAMusElement *lastMusElement() { return musElementList().size()?musElementList().back():0; }
        CADiatonicPitch lastNotePitch(bool inChord=false);
        CAPlayable* lastPlayableElt();
        CANote*     lastNote();
        CATimeSignature*   getTimeSig(CAMusElement *elt);
        CAKeySignature*    getKeySig(CAMusElement *elt);
        CAClef*            getClef(CAMusElement *elt);
        QList<CAPlayable*> getChord(int time);
        QList<CAMusElement*> getBar( int time );

        // Properties //
        inline int voiceNumber() { return (staff()?(staff()->voiceIndex(this)+1):1); }
        inline bool isFirstVoice() { return (voiceNumber()==1); }

        inline CANote::CAStemDirection stemDirection() { return _stemDirection; }
        inline void setStemDirection( CANote::CAStemDirection direction ) { _stemDirection = direction; }

        inline const QString name() { return _name; }
        inline void setName(const QString name) { _name = name; }

        inline unsigned char midiChannel() { return _midiChannel; }
        inline void setMidiChannel(const unsigned char ch) { _midiChannel = ch; }

        inline unsigned char midiProgram() { return _midiProgram; }
        inline void setMidiProgram(const unsigned char program) { _midiProgram = program; }

        inline QList<CALyricsContext*> lyricsContextList() { return _lyricsContextList; }
        inline void addLyricsContext( CALyricsContext *lc ) { _lyricsContextList << lc; }
        inline void setLyricsContexts( QList<CALyricsContext*> list ) { _lyricsContextList = list; }
        inline void addLyricsContexts( QList<CALyricsContext*> list ) { _lyricsContextList += list; }
        inline bool removeLyricsContext( CALyricsContext *lc ) { return _lyricsContextList.removeAll(lc); }

private:
        bool addNoteToChord(CANote *note, CANote *referenceNote);
        bool insertMusElement( CAMusElement *before, CAMusElement *elt );
        bool updateTimes( int idx, int length, bool signsToo=false );

        QList<CAMusElement *> _musElementList;
        CAStaff *_staff; // parent staff
        int _voiceNumber; // voice number starting at 1
        CANote::CAStemDirection _stemDirection;
        QList<CALyricsContext*> _lyricsContextList;

        QString _name;

        // MIDI properties //
        unsigned char _midiChannel;
        unsigned char _midiProgram;
};
#endif /* VOICE_H_ */