MuseScore/libmscore/tuplet.h
2012-08-10 17:01:35 +02:00

125 lines
4 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
// $Id: tuplet.h 5500 2012-03-28 16:28:26Z wschweer $
//
// Copyright (C) 2002-2011 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#ifndef __TUPLET_H__
#define __TUPLET_H__
#include "duration.h"
class Text;
class Spanner;
class QPainter;
//------------------------------------------------------------------------
// @@ Tuplet
/// Example of 1/8 triplet:
/// _baseLen = 1/8
/// _actualNotes = 3
/// _normalNotes = 2 (3 notes played in the time of 2/8)
//
/// The tuplet has a len of _baseLen * _normalNotes.
/// A tuplet note has len of _baseLen * _normalNotes / _actualNotes.
//------------------------------------------------------------------------
class Tuplet : public DurationElement {
Q_OBJECT
int _tick;
public:
enum { SHOW_NUMBER, SHOW_RELATION, NO_TEXT };
enum { AUTO_BRACKET, SHOW_BRACKET, SHOW_NO_BRACKET };
private:
QList<DurationElement*> _elements;
int _numberType;
int _bracketType;
bool _hasBracket;
Fraction _ratio;
TDuration _baseLen; // 1/8 for a triplet of 1/8
MScore::Direction _direction;
bool _isUp;
QPointF p1, p2;
QPointF _p1, _p2; // user offset
mutable int _id; // used during read/write
Text* _number;
QPointF bracketL[4];
QPointF bracketR[3];
public:
Tuplet(Score*);
Tuplet(const Tuplet&);
~Tuplet();
virtual Tuplet* clone() const { return new Tuplet(*this); }
virtual ElementType type() const { return TUPLET; }
virtual void setTrack(int val);
virtual void add(Element*);
virtual void remove(Element*);
virtual bool isEditable() const;
virtual void editDrag(const EditData&);
virtual void updateGrips(int*, QRectF*) const;
virtual void setSelected(bool f);
virtual Measure* measure() const { return (Measure*)parent(); }
int numberType() const { return _numberType; }
int bracketType() const { return _bracketType; }
void setNumberType(int val) { _numberType = val; }
void setBracketType(int val) { _bracketType = val; }
bool hasBracket() const { return _hasBracket; }
Fraction ratio() const { return _ratio; }
void setRatio(const Fraction& r) { _ratio = r; }
const QList<DurationElement*>& elements() const { return _elements; }
void clear() { _elements.clear(); }
virtual void layout();
Text* number() const { return _number; }
void read(const QDomElement&, QList<Tuplet*>*, const QList<Spanner*>*);
void write(Xml&) const;
virtual void toDefault();
virtual void draw(QPainter*) const;
int id() const { return _id; }
void setId(int i) const { _id = i; }
TDuration baseLen() const { return _baseLen; }
void setBaseLen(const TDuration& d) { _baseLen = d; }
virtual void dump() const;
void setDirection(MScore::Direction d) { _direction = d; }
MScore::Direction direction() const { return _direction; }
bool isUp() const { return _isUp; }
virtual int tick() const { return _tick; }
void setTick(int val) { _tick = val; }
void sortElements();
virtual void setVisible(bool f);
QVariant getProperty(P_ID propertyId) const;
bool setProperty(P_ID propertyId, const QVariant& v);
QVariant propertyDefault(P_ID id) const;
};
#endif