MuseScore/libmscore/measure.h

283 lines
10 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
//
// 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 __MEASURE_H__
#define __MEASURE_H__
/**
\file
Definition of classes MStaff, Measure.
*/
#include "measurebase.h"
#include "fraction.h"
#include "segmentlist.h"
namespace Ms {
class Xml;
class Beam;
class Tuplet;
class Staff;
class Chord;
class Text;
class ChordRest;
class Score;
class MuseScoreView;
class System;
class Note;
class Spacer;
class TieMap;
class AccidentalState;
class Spanner;
class Part;
class RepeatMeasure;
//---------------------------------------------------------
// MStaff
/// Per staff values of measure.
//---------------------------------------------------------
struct MStaff {
Text* _noText { 0 }; ///< Measure number text object
StaffLines* lines { 0 };
Spacer* _vspacerUp { 0 };
Spacer* _vspacerDown { 0 };
Shape _shape;
bool hasVoices { false }; ///< indicates that MStaff contains more than one voice,
///< this changes some layout rules
bool _visible { true };
bool _slashStyle { false };
#ifndef NDEBUG
bool _corrupted { false };
#endif
MStaff() {}
~MStaff();
MStaff(const MStaff&);
bool visible() const { return _visible; }
void setVisible(bool val) { _visible = val; }
bool slashStyle() const { return _slashStyle; }
void setSlashStyle(bool val) { _slashStyle = val; }
void setScore(Score*);
void setTrack(int);
Text* noText() const { return _noText; }
void setNoText(Text* t) { _noText = t; }
Shape& shape() { return _shape; }
const Shape& shape() const { return _shape; }
};
//---------------------------------------------------------
// MeasureNumberMode
//---------------------------------------------------------
enum class MeasureNumberMode : char {
AUTO, // show measure number depending on style
SHOW, // always show measure number
HIDE // dont show measure number
};
//---------------------------------------------------------
// @@ Measure
/// one measure in a system
//
// @P firstSegment Segment the first segment of the measure (read-only)
// @P lastSegment Segment the last segment of the measure (read-only)
//---------------------------------------------------------
class Measure : public MeasureBase {
Q_OBJECT
Q_PROPERTY(Ms::Segment* firstSegment READ first)
Q_PROPERTY(Ms::Segment* lastSegment READ last)
std::vector<MStaff*> _mstaves;
SegmentList _segments;
Measure* _mmRest; // multi measure rest which replaces a measure range
qreal _userStretch;
Fraction _timesig;
Fraction _len; ///< actual length of measure
int _mmRestCount; // > 0 if this is a multi measure rest
// 0 if this is the start of a mm rest (_mmRest != 0)
// < 0 if this measure is covered by a mm rest
int _playbackCount; // temp. value used in RepeatList
// counts how many times this measure was already played
int _repeatCount; ///< end repeat marker und repeat count
MeasureNumberMode _noMode;
bool _breakMultiMeasureRest;
void push_back(Segment* e);
void push_front(Segment* e);
public:
Measure(Score* = 0);
Measure(const Measure&);
~Measure();
virtual Measure* clone() const override { return new Measure(*this); }
virtual Element::Type type() const override { return Element::Type::MEASURE; }
virtual void setScore(Score* s) override;
Measure* cloneMeasure(Score*, TieMap*);
void read(XmlReader&, int idx);
void read(XmlReader& d) { read(d, 0); }
virtual void write(Xml& xml) const override { Element::write(xml); }
void write(Xml&, int, bool writeSystemElements) const;
void writeBox(Xml&) const;
void readBox(XmlReader&);
virtual bool isEditable() const override { return false; }
void checkMeasue(int idx);
virtual void add(Element*) override;
virtual void remove(Element*) override;
virtual void change(Element* o, Element* n) override;
virtual void spatiumChanged(qreal oldValue, qreal newValue) override;
System* system() const { return (System*)parent(); }
std::vector<MStaff*>& mstaves() { return _mstaves; }
const std::vector<MStaff*>& mstaves() const { return _mstaves; }
MStaff* mstaff(int staffIdx) { return _mstaves[staffIdx]; }
const MStaff* mstaff(int staffIdx) const { return _mstaves[staffIdx]; }
bool hasVoices(int staffIdx) const { return _mstaves[staffIdx]->hasVoices; }
StaffLines* staffLines(int staffIdx) { return _mstaves[staffIdx]->lines; }
MeasureNumberMode measureNumberMode() const { return _noMode; }
void setMeasureNumberMode(MeasureNumberMode v) { _noMode = v; }
qreal minWidth1() const;
Fraction timesig() const { return _timesig; }
void setTimesig(const Fraction& f) { _timesig = f; }
Fraction len() const { return _len; }
Fraction stretchedLen(Staff*) const;
void setLen(const Fraction& f) { _len = f; }
// actual length of measure in ticks
virtual int ticks() const override;
bool isIrregular() const { return _timesig != _len; }
int size() const { return _segments.size(); }
Ms::Segment* first() const { return _segments.first(); }
Segment* first(Segment::Type t) const { return _segments.first(t); }
Ms::Segment* last() const { return _segments.last(); }
SegmentList& segments() { return _segments; }
const SegmentList& segments() const { return _segments; }
qreal userStretch() const;
void setUserStretch(qreal v) { _userStretch = v; }
void stretchMeasure(qreal stretch);
void layout2();
Chord* findChord(int tick, int track);
ChordRest* findChordRest(int tick, int track);
int snap(int tick, const QPointF p) const;
int snapNote(int tick, const QPointF p, int staff) const;
void insertStaff(Staff*, int staff);
void insertMStaff(MStaff* staff, int idx);
void removeMStaff(MStaff* staff, int idx);
virtual void moveTicks(int diff);
void cmdRemoveStaves(int s, int e);
void cmdAddStaves(int s, int e, bool createRest);
void removeStaves(int s, int e);
void insertStaves(int s, int e);
qreal tick2pos(int) const;
Segment* tick2segment(int tick, Segment::Type st = Segment::Type::ChordRest);
void sortStaves(QList<int>& dst);
virtual bool acceptDrop(const DropData&) const override;
virtual Element* drop(const DropData&) override;
int repeatCount() const { return _repeatCount; }
void setRepeatCount(int val) { _repeatCount = val; }
Segment* undoGetSegment(Segment::Type st, int tick);
Segment* getSegment(Element* el, int tick);
Segment* getSegment(Segment::Type st, int tick);
Segment* findSegment(Segment::Type st, int t);
qreal createEndBarLines(bool);
void setEndBarLineType(BarLineType val, int track, bool visible = true, QColor color = QColor());
void setStartRepeatBarLine();
RepeatMeasure* cmdInsertRepeatMeasure(int staffIdx);
virtual void scanElements(void* data, void (*func)(void*, Element*), bool all=true) override;
void createVoice(int track);
void adjustToLen(Fraction);
AccidentalVal findAccidental(Note*) const;
AccidentalVal findAccidental(Segment* s, int staffIdx, int line, bool &error) const;
void exchangeVoice(int voice1, int voice2, int staffIdx);
void checkMultiVoices(int staffIdx);
bool hasVoice(int track) const;
bool isMeasureRest(int staffIdx) const;
bool isFullMeasureRest() const;
bool isRepeatMeasure(Staff* staff) const;
bool visible(int staffIdx) const;
bool slashStyle(int staffIdx) const;
bool isFinalMeasureOfSection() const;
bool isAnacrusis() const;
bool breakMultiMeasureRest() const { return _breakMultiMeasureRest; }
void setBreakMultiMeasureRest(bool val) { _breakMultiMeasureRest = val; }
bool empty() const;
bool isOnlyRests(int track) const;
bool isOnlyDeletedRests(int track) const;
int playbackCount() const { return _playbackCount; }
void setPlaybackCount(int val) { _playbackCount = val; }
QRectF staffabbox(int staffIdx) const;
virtual QVariant getProperty(P_ID propertyId) const override;
virtual bool setProperty(P_ID propertyId, const QVariant&) override;
virtual QVariant propertyDefault(P_ID) const override;
bool hasMMRest() const { return _mmRest != 0; }
bool isMMRest() const { return _mmRestCount > 0; }
Measure* mmRest() const { return _mmRest; }
const Measure* mmRest1() const;
void setMMRest(Measure* m) { _mmRest = m; }
int mmRestCount() const { return _mmRestCount; } // number of measures _mmRest spans
void setMMRestCount(int n) { _mmRestCount = n; }
Measure* mmRestFirst() const;
Measure* mmRestLast() const;
Element* nextElementStaff(int staff);
Element* prevElementStaff(int staff);
virtual QString accessibleInfo() const override;
void removeSystemHeader();
void removeSystemTrailer();
BarLineType endBarLineType() const;
bool endBarLineVisible() const;
Shape& staffShape(int staffIdx) { return mstaff(staffIdx)->shape(); }
virtual void triggerLayout() const override;
};
} // namespace Ms
#endif