111 lines
3.1 KiB
C++
111 lines
3.1 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2012 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 __CURSOR_H__
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#define __CURSOR_H__
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namespace Ms {
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class Element;
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class Score;
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class Chord;
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class Rest;
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class Note;
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class Segment;
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class RepeatSegment;
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class ChordRest;
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class StaffText;
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class Measure;
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//---------------------------------------------------------
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// @@ Cursor
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// @P track int current track
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// @P staffIdx int current staff (track / 4)
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// @P voice int current voice (track % 4)
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// @P element Element* current element at track, read only
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// @P segment Segment* current segment, read only
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// @P measure Measure* current measure, read only
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// @P tick int midi tick position, read only
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// @P time double time at tick position, read only
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// @P score Score* associated score
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//---------------------------------------------------------
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class Cursor : public QObject {
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Q_OBJECT
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Q_PROPERTY(int track READ track WRITE setTrack)
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Q_PROPERTY(int staffIdx READ staffIdx WRITE setStaffIdx)
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Q_PROPERTY(int voice READ voice WRITE setVoice)
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Q_PROPERTY(Ms::Element* element READ element)
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Q_PROPERTY(Ms::Segment* segment READ segment)
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Q_PROPERTY(Ms::Measure* measure READ measure)
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Q_PROPERTY(int tick READ tick)
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Q_PROPERTY(double time READ time)
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Q_PROPERTY(Ms::Score* score READ score WRITE setScore)
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Score* _score;
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int _track;
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bool _expandRepeats;
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//state
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Segment* _segment;
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// utility methods
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void firstChordRestInTrack();
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public:
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Cursor(Score* c = 0);
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Cursor(Score*, bool);
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Score* score() const { return _score; }
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void setScore(Score* s);
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int track() const { return _track; }
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void setTrack(int v);
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int staffIdx() const;
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void setStaffIdx(int v);
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int voice() const;
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void setVoice(int v);
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Element* element() const;
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Segment* segment() const { return _segment; }
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Measure* measure() const;
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int tick();
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double time();
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//@ rewind cursor
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//@ type=0 rewind to start of score
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//@ type=1 rewind to start of selection
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//@ type=2 rewind to end of selection
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Q_INVOKABLE void rewind(int type);
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Q_INVOKABLE bool next();
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Q_INVOKABLE bool nextMeasure();
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Q_INVOKABLE void add(Ms::Element*);
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Q_INVOKABLE Ms::Note* addNote(int pitch);
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//@ set duration
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//@ z: numerator
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//@ n: denominator
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//@ Quarter, if n == 0
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Q_INVOKABLE void setDuration(int z, int n);
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};
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} // namespace Ms
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#endif
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