1d070a3e96
An attempt to improve the layout of grace notes after chord. It probably does not cover all the possible interactions with other score elements, particularly in tight scores, but it should achieve reasonable results for common cases with a rather simple algorithm. For some discussion and examples, see the original issue at http://musescore.org/en/node/15022 and the forum thread at http://musescore.org/en/node/45346
334 lines
12 KiB
C++
334 lines
12 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 classes MStaff, 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 Xml;
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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 Text;
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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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//---------------------------------------------------------
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// MStaff
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/// Per staff values of measure.
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//---------------------------------------------------------
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struct MStaff {
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qreal distanceUp;
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qreal distanceDown;
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Text* _noText; ///< Measure number text object
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StaffLines* lines;
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Spacer* _vspacerUp;
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Spacer* _vspacerDown;
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bool hasVoices; ///< indicates that MStaff contains more than one voice,
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///< this changes some layout rules
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bool _visible;
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bool _slashStyle;
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MStaff();
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~MStaff();
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MStaff(const MStaff&);
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bool visible() const { return _visible; }
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void setVisible(bool val) { _visible = val; }
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bool slashStyle() const { return _slashStyle; }
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void setSlashStyle(bool val) { _slashStyle = val; }
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void setScore(Score*);
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void setTrack(int);
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Text* noText() const { return _noText; }
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void setNoText(Text* t) { _noText = t; }
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};
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//---------------------------------------------------------
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// Repeat
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//---------------------------------------------------------
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enum class Repeat : char {
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NONE = 0,
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END = 1,
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START = 2,
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MEASURE = 4,
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JUMP = 8
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};
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constexpr Repeat operator| (Repeat t1, Repeat t2) {
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return static_cast<Repeat>(static_cast<int>(t1) | static_cast<int>(t2));
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}
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constexpr bool operator& (Repeat t1, Repeat t2) {
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return static_cast<int>(t1) & static_cast<int>(t2);
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}
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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 // dont 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 Ms::Segment the first segment of the measure (read-only)
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// @P lastSegment Ms::Segment the last segment of the measure (read-only)
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//---------------------------------------------------------
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class Measure : public MeasureBase {
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Q_OBJECT
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Q_PROPERTY(Ms::Segment* firstSegment READ last)
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Q_PROPERTY(Ms::Segment* lastSegment READ first)
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SegmentList _segments;
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Fraction _timesig;
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Fraction _len; ///< actual length of measure
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int _repeatCount; ///< end repeat marker und repeat count
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Repeat _repeatFlags; ///< or'd Repeat's
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QList<MStaff*> staves;
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int _no; ///< Measure number, counting from zero
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int _noOffset; ///< Offset to measure number
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MeasureNumberMode _noMode;
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qreal _userStretch;
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mutable qreal _minWidth1; ///< minimal measure width, cached value
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mutable qreal _minWidth2; ///< minimal measure width, cached value
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bool _irregular; ///< Irregular measure, do not count
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bool _breakMultiMeasureRest; ///< set by user
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bool _breakMMRest; ///< set by layout
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BarLineType _endBarLineType;
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bool _endBarLineGenerated;
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bool _endBarLineVisible;
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QColor _endBarLineColor;
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BarLineType _systemInitialBarLineType; ///< type used for system bar line, when measure is initial
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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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Measure* _mmRest; // multi measure rest which replaces a measure range
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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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void push_back(Segment* e);
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void push_front(Segment* e);
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void layoutCR0(ChordRest* cr, qreal m);
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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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virtual Measure* clone() const override { return new Measure(*this); }
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virtual Element::Type type() const override { return Element::Type::MEASURE; }
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virtual void setScore(Score* s) override;
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Measure* cloneMeasure(Score*, 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 write(Xml&, int, bool writeSystemElements) const;
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void writeBox(Xml&) const;
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void readBox(XmlReader&);
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virtual bool isEditable() const override { return false; }
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virtual void add(Element*) override;
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virtual void remove(Element*) override;
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virtual void change(Element* o, Element* n) override;
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virtual void spatiumChanged(qreal oldValue, qreal newValue) override;
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System* system() const { return (System*)parent(); }
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QList<MStaff*>* staffList() { return &staves; }
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MStaff* mstaff(int staffIdx) { return staves[staffIdx]; }
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bool hasVoices(int staffIdx) const { return staves[staffIdx]->hasVoices; }
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StaffLines* staffLines(int staffIdx) { return staves[staffIdx]->lines; }
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int no() const { return _no; }
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bool irregular() const { return _irregular; }
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void setIrregular(bool val) { _irregular = val; }
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int noOffset() const { return _noOffset; }
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MeasureNumberMode measureNumberMode() const { return _noMode; }
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void setMeasureNumberMode(MeasureNumberMode v) { _noMode = v; }
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void setNo(int n) { _no = n; }
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void setNoOffset(int n) { _noOffset = n; }
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virtual qreal distanceUp(int i) const;
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virtual qreal distanceDown(int i) const;
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qreal minWidth1() const;
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qreal minWidth2() const;
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bool systemHeader() const;
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void setDirty();
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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 len() const { return _len; }
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Fraction stretchedLen(Staff*) const;
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void setLen(const Fraction& f) { _len = f; }
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// actual length of measure in ticks
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virtual int ticks() const override;
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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(Segment::Type t) const { return _segments.first(t); }
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Ms::Segment* last() const { return _segments.last(); }
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void remove(Segment* s);
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SegmentList* segments() { return &_segments; }
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qreal userStretch() const;
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void setUserStretch(qreal v) { _userStretch = v; }
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void layoutX(qreal stretch);
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void layout(qreal width);
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void layout2();
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Chord* findChord(int tick, int track);
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ChordRest* findChordRest(int tick, int track);
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int snap(int tick, const QPointF p) const;
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int snapNote(int tick, const QPointF p, int staff) 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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virtual void moveTicks(int diff);
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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(int) const;
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Segment* tick2segment(int tick, Segment::Type st = Segment::Type::ChordRest) const;
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void sortStaves(QList<int>& dst);
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void dump() const;
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virtual bool acceptDrop(const DropData&) const override;
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virtual Element* drop(const DropData&) 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* undoGetSegment(Segment::Type st, int tick);
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Segment* getSegment(Element* el, int tick);
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Segment* getSegment(Segment::Type st, int tick);
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Segment* findSegment(Segment::Type st, int t);
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bool createEndBarLines();
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void setEndBarLineType(BarLineType val, bool g, bool visible = true, QColor color = QColor());
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BarLineType endBarLineType() const { return _endBarLineType; }
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bool setStartRepeatBarLine(bool);
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bool endBarLineGenerated() const { return _endBarLineGenerated; }
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void setEndBarLineGenerated(bool v) { _endBarLineGenerated = v; }
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bool endBarLineVisible() const { return _endBarLineVisible; }
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QColor endBarLineColor() const { return _endBarLineColor; }
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void setSystemInitialBarLineType(BarLineType v) { _systemInitialBarLineType = v; }
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BarLineType systemInitialBarLineType() const { return _systemInitialBarLineType; }
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RepeatMeasure* cmdInsertRepeatMeasure(int staffIdx);
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virtual 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);
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Repeat repeatFlags() const { return _repeatFlags; }
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void setRepeatFlags(Repeat val) { _repeatFlags = val; }
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void setRepeatFlag(Repeat val) { _repeatFlags = _repeatFlags | val; }
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void resetRepeatFlag(Repeat val) { _repeatFlags = Repeat(int(_repeatFlags) & ~int(val)); }
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AccidentalVal findAccidental(Note*) const;
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AccidentalVal findAccidental(Segment* s, int staffIdx, int line) 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 isMeasureRest(int staffIdx);
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bool isFullMeasureRest();
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bool isRepeatMeasure(Part* part);
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bool visible(int staffIdx) const;
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bool slashStyle(int staffIdx) const;
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bool breakMultiMeasureRest() const { return _breakMultiMeasureRest | _breakMMRest; }
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bool breakMMRest() const { return _breakMMRest; }
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void setBreakMMRest(bool v) { _breakMMRest = v; }
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bool getBreakMultiMeasureRest() const { return _breakMultiMeasureRest; }
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void setBreakMultiMeasureRest(bool val) { _breakMultiMeasureRest = val; }
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bool isEmpty() const;
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bool isOnlyRests(int track) const;
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void updateNotes(int staffIdx);
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void cmdUpdateNotes(int staffIdx);
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void layoutStage1();
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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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virtual QVariant getProperty(P_ID propertyId) const override;
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virtual bool setProperty(P_ID propertyId, const QVariant&) override;
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virtual QVariant propertyDefault(P_ID) 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* nextElement(int staff);
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Element* prevElement(int staff);
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virtual QString accessibleInfo() override;
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};
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} // namespace Ms
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#endif
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