MuseScore/libmscore/measure.h

272 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 class Measure.
*/
#include "measurebase.h"
#include "fraction.h"
#include "segmentlist.h"
namespace Ms {
class XmlWriter;
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;
class MStaff;
//---------------------------------------------------------
// 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 final : public MeasureBase {
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);
void fillGap(const Fraction& pos, const Fraction& len, int track, const Fraction& stretch);
void computeMinWidth(Segment* s, qreal x, bool isSystemHeader);
public:
Measure(Score* = 0);
Measure(const Measure&);
~Measure();
virtual Measure* clone() const override { return new Measure(*this); }
virtual ElementType type() const override { return ElementType::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(XmlWriter& xml) const override { Element::write(xml); }
void write(XmlWriter&, int, bool writeSystemElements, bool forceTimeSig) const;
void writeBox(XmlWriter&) const;
void readBox(XmlReader&);
virtual bool isEditable() const override { return false; }
void checkMeasure(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(); }
bool hasVoices(int staffIdx) const;
void setHasVoices(int staffIdx, bool v);
StaffLines* staffLines(int staffIdx);
Spacer* vspacerDown(int staffIdx) const;
Spacer* vspacerUp(int staffIdx) const;
void setStaffVisible(int staffIdx, bool visible);
void setStaffSlashStyle(int staffIdx, bool slashStyle);
bool corrupted(int staffIdx) const;
void setCorrupted(int staffIdx, bool val);
void setNoText(int staffIdx, Text*);
Text* noText(int staffIdx) const;
const Shape& staffShape(int staffIdx) const;
Shape& staffShape(int staffIdx);
void createStaves(int);
MeasureNumberMode measureNumberMode() const { return _noMode; }
void setMeasureNumberMode(MeasureNumberMode v) { _noMode = v; }
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; }
virtual int ticks() const override; // actual length of measure in ticks
bool isIrregular() const { return _timesig != _len; }
int size() const { return _segments.size(); }
Ms::Segment* first() const { return _segments.first(); }
Segment* first(SegmentType 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, SegmentType st = SegmentType::ChordRest);
void sortStaves(QList<int>& dst);
virtual bool acceptDrop(EditData&) const override;
virtual Element* drop(EditData&) override;
int repeatCount() const { return _repeatCount; }
void setRepeatCount(int val) { _repeatCount = val; }
Segment* undoGetSegment(SegmentType st, int tick); // deprecated
Segment* getSegment(SegmentType st, int tick); // deprecated
Segment* findSegment(SegmentType st, int tick) const; // deprecated
Segment* undoGetSegmentR(SegmentType st, int rtick);
Segment* getSegmentR(SegmentType st, int rtick);
Segment* findSegmentR(SegmentType st, int rtick) const;
// preferred:
Segment* undoGetSegment(SegmentType st, const Fraction& f) { return undoGetSegmentR(st, f.ticks()); }
Segment* getSegment(SegmentType st, const Fraction& f) { return getSegmentR(st, f.ticks()); }
Segment* findFirst(SegmentType st, int rtick) const;
qreal createEndBarLines(bool);
void barLinesSetSpan(Segment*);
void setEndBarLineType(BarLineType val, int track, bool visible = true, QColor color = QColor());
RepeatMeasure* cmdInsertRepeatMeasure(int staffIdx);
virtual void scanElements(void* data, void (*func)(void*, Element*), bool all=true) override;
void createVoice(int track);
void adjustToLen(Fraction, bool appendRestsIfNecessary = true);
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(Pid propertyId) const override;
virtual bool setProperty(Pid propertyId, const QVariant&) override;
virtual QVariant propertyDefault(Pid) 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 addSystemHeader(bool firstSystem);
void addSystemTrailer(Measure* nm);
void removeSystemHeader();
void removeSystemTrailer();
const BarLine* endBarLine() const;
BarLineType endBarLineType() const;
bool endBarLineVisible() const;
virtual void triggerLayout() const override;
qreal basicStretch() const;
qreal basicWidth() const;
virtual void computeMinWidth();
void checkHeader();
void checkTrailer();
void setStretchedWidth(qreal);
void layoutStaffLines();
};
} // namespace Ms
#endif