279 lines
9.8 KiB
C++
279 lines
9.8 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2002-2011 Werner Schweer
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2
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// as published by the Free Software Foundation and appearing in
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// the file LICENCE.GPL
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//=============================================================================
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#ifndef __MEASURE_H__
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#define __MEASURE_H__
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/**
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\file
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Definition of class Measure.
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*/
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#include "measurebase.h"
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#include "fraction.h"
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#include "segmentlist.h"
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namespace Ms {
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class XmlWriter;
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class Beam;
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class Tuplet;
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class Staff;
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class Chord;
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class MeasureNumber;
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class ChordRest;
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class Score;
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class MuseScoreView;
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class System;
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class Note;
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class Spacer;
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class TieMap;
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class AccidentalState;
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class Spanner;
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class Part;
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class RepeatMeasure;
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class MStaff;
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//---------------------------------------------------------
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// MeasureNumberMode
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//---------------------------------------------------------
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enum class MeasureNumberMode : char {
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AUTO, // show measure number depending on style
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SHOW, // always show measure number
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HIDE // don’t show measure number
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};
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//---------------------------------------------------------
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// @@ Measure
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/// one measure in a system
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//
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// @P firstSegment Segment the first segment of the measure (read-only)
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// @P lastSegment Segment the last segment of the measure (read-only)
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//---------------------------------------------------------
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class Measure final : public MeasureBase
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{
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std::vector<MStaff*> _mstaves;
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SegmentList _segments;
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Measure* _mmRest; // multi measure rest which replaces a measure range
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qreal _userStretch;
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Fraction _timesig;
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int _mmRestCount; // > 0 if this is a multi measure rest
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// 0 if this is the start of a mm rest (_mmRest != 0)
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// < 0 if this measure is covered by a mm rest
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int _playbackCount; // temp. value used in RepeatList
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// counts how many times this measure was already played
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int _repeatCount; ///< end repeat marker und repeat count
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MeasureNumberMode _noMode;
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bool _breakMultiMeasureRest;
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void push_back(Segment* e);
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void push_front(Segment* e);
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void fillGap(const Fraction& pos, const Fraction& len, int track, const Fraction& stretch);
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void computeMinWidth(Segment* s, qreal x, bool isSystemHeader);
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void readVoice(XmlReader& e, int staffIdx, bool irregular);
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public:
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Measure(Score* = 0);
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Measure(const Measure&);
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~Measure();
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Measure* clone() const override { return new Measure(*this); }
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ElementType type() const override { return ElementType::MEASURE; }
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void setScore(Score* s) override;
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Measure* cloneMeasure(Score*, const Fraction& tick, TieMap*);
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void read(XmlReader&, int idx);
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void read(XmlReader& d) { read(d, 0); }
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void readAddConnector(ConnectorInfoReader* info, bool pasteMode) override;
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void write(XmlWriter& xml) const override { Element::write(xml); }
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void write(XmlWriter&, int, bool writeSystemElements, bool forceTimeSig) const;
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void writeBox(XmlWriter&) const;
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void readBox(XmlReader&);
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bool isEditable() const override { return false; }
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void checkMeasure(int idx);
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void add(Element*) override;
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void remove(Element*) override;
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void change(Element* o, Element* n) override;
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void spatiumChanged(qreal oldValue, qreal newValue) override;
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System* system() const { return (System*)parent(); }
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bool hasVoices(int staffIdx, Fraction stick, Fraction len) const;
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bool hasVoices(int staffIdx) const;
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void setHasVoices(int staffIdx, bool v);
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StaffLines* staffLines(int staffIdx);
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Spacer* vspacerDown(int staffIdx) const;
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Spacer* vspacerUp(int staffIdx) const;
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void setStaffVisible(int staffIdx, bool visible);
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void setStaffStemless(int staffIdx, bool stemless);
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bool corrupted(int staffIdx) const;
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void setCorrupted(int staffIdx, bool val);
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void setNoText(int staffIdx, MeasureNumber*);
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MeasureNumber* noText(int staffIdx) const;
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void createStaves(int);
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MeasureNumberMode measureNumberMode() const { return _noMode; }
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void setMeasureNumberMode(MeasureNumberMode v) { _noMode = v; }
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Fraction timesig() const { return _timesig; }
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void setTimesig(const Fraction& f) { _timesig = f; }
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Fraction stretchedLen(Staff*) const;
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bool isIrregular() const { return _timesig != _len; }
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int size() const { return _segments.size(); }
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Ms::Segment* first() const { return _segments.first(); }
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Segment* first(SegmentType t) const { return _segments.first(t); }
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Segment* firstEnabled() const { return _segments.first(ElementFlag::ENABLED); }
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Ms::Segment* last() const { return _segments.last(); }
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SegmentList& segments() { return _segments; }
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const SegmentList& segments() const { return _segments; }
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qreal userStretch() const;
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void setUserStretch(qreal v) { _userStretch = v; }
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void stretchMeasure(qreal stretch);
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Fraction computeTicks();
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void layout2();
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bool showsMeasureNumber();
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bool showsMeasureNumberInAutoMode();
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void layoutMeasureNumber();
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Chord* findChord(Fraction tick, int track);
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ChordRest* findChordRest(Fraction tick, int track);
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Fraction snap(const Fraction& tick, const QPointF p) const;
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Fraction snapNote(const Fraction& tick, const QPointF p, int staff) const;
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Segment* searchSegment(qreal x, SegmentType st, int strack, int etrack, const Segment* preferredSegment = nullptr,
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qreal spacingFactor = 0.5) const;
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void insertStaff(Staff*, int staff);
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void insertMStaff(MStaff* staff, int idx);
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void removeMStaff(MStaff* staff, int idx);
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void moveTicks(const Fraction& diff) override;
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void cmdRemoveStaves(int s, int e);
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void cmdAddStaves(int s, int e, bool createRest);
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void removeStaves(int s, int e);
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void insertStaves(int s, int e);
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qreal tick2pos(Fraction) const;
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Segment* tick2segment(const Fraction& tick, SegmentType st = SegmentType::ChordRest);
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void sortStaves(QList<int>& dst);
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bool acceptDrop(EditData&) const override;
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Element* drop(EditData&) override;
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int repeatCount() const { return _repeatCount; }
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void setRepeatCount(int val) { _repeatCount = val; }
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Segment* findSegmentR(SegmentType st, const Fraction&) const;
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Segment* undoGetSegmentR(SegmentType st, const Fraction& f);
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Segment* getSegmentR(SegmentType st, const Fraction& f);
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Segment* findFirstR(SegmentType st, const Fraction& rtick) const;
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// segment routines with absolute tick values
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Segment* findSegment(SegmentType st, const Fraction& f) const { return findSegmentR(st, f - tick()); }
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Segment* undoGetSegment(SegmentType st, const Fraction& f) { return undoGetSegmentR(st, f - tick()); }
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Segment* getSegment(SegmentType st, const Fraction& f) { return getSegmentR(st, f - tick()); }
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void connectTremolo();
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qreal createEndBarLines(bool);
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void barLinesSetSpan(Segment*);
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void setEndBarLineType(BarLineType val, int track, bool visible = true, QColor color = QColor());
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RepeatMeasure* cmdInsertRepeatMeasure(int staffIdx);
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void scanElements(void* data, void (* func)(void*, Element*), bool all=true) override;
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void createVoice(int track);
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void adjustToLen(Fraction, bool appendRestsIfNecessary = true);
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AccidentalVal findAccidental(Note*) const;
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AccidentalVal findAccidental(Segment* s, int staffIdx, int line, bool& error) const;
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void exchangeVoice(int voice1, int voice2, int staffIdx);
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void checkMultiVoices(int staffIdx);
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bool hasVoice(int track) const;
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bool isEmpty(int staffIdx) const;
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bool isFullMeasureRest() const;
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bool isRepeatMeasure(const Staff* staff) const;
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bool visible(int staffIdx) const;
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bool stemless(int staffIdx) const;
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bool isFinalMeasureOfSection() const;
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bool isAnacrusis() const;
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bool isFirstInSystem() const;
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bool breakMultiMeasureRest() const { return _breakMultiMeasureRest; }
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void setBreakMultiMeasureRest(bool val) { _breakMultiMeasureRest = val; }
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bool empty() const;
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bool isOnlyRests(int track) const;
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bool isOnlyDeletedRests(int track) const;
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int playbackCount() const { return _playbackCount; }
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void setPlaybackCount(int val) { _playbackCount = val; }
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QRectF staffabbox(int staffIdx) const;
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QVariant getProperty(Pid propertyId) const override;
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bool setProperty(Pid propertyId, const QVariant&) override;
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QVariant propertyDefault(Pid) const override;
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bool hasMMRest() const { return _mmRest != 0; }
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bool isMMRest() const { return _mmRestCount > 0; }
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Measure* mmRest() const { return _mmRest; }
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const Measure* mmRest1() const;
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void setMMRest(Measure* m) { _mmRest = m; }
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int mmRestCount() const { return _mmRestCount; } // number of measures _mmRest spans
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void setMMRestCount(int n) { _mmRestCount = n; }
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Measure* mmRestFirst() const;
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Measure* mmRestLast() const;
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Element* nextElementStaff(int staff);
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Element* prevElementStaff(int staff);
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QString accessibleInfo() const override;
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void addSystemHeader(bool firstSystem);
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void addSystemTrailer(Measure* nm);
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void removeSystemHeader();
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void removeSystemTrailer();
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const BarLine* endBarLine() const;
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BarLineType endBarLineType() const;
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bool endBarLineVisible() const;
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void triggerLayout() const override;
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qreal basicStretch() const;
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qreal basicWidth() const;
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int layoutWeight(int maxMMRestLength = 0) const;
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void computeMinWidth();
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void checkHeader();
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void checkTrailer();
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void setStretchedWidth(qreal);
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void layoutStaffLines();
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};
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} // namespace Ms
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#endif
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