140 lines
4.7 KiB
C++
140 lines
4.7 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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// $Id: clef.h 5343 2012-02-18 19:50:35Z miwarre $
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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 __CLEF_H__
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#define __CLEF_H__
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/**
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\file
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Definition of classes Clef and ClefList.
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*/
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#include "element.h"
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#include "mscore.h"
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class Xml;
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class MuseScoreView;
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class Segment;
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class QPainter;
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static const int NO_CLEF = -1000;
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//---------------------------------------------------------
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// ClefTypeList
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//---------------------------------------------------------
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struct ClefTypeList {
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ClefType _concertClef;
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ClefType _transposingClef;
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ClefTypeList() {}
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ClefTypeList(ClefType a, ClefType b) : _concertClef(a), _transposingClef(b) {}
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bool operator==(const ClefTypeList& t) const;
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bool operator!=(const ClefTypeList& t) const;
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};
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//---------------------------------------------------------
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// ClefInfo
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/// Info about a clef.
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//---------------------------------------------------------
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struct ClefInfo {
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const char* tag; ///< comprehensive name for instruments.xml
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const char* sign; ///< Name for musicXml.
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int line; ///< Line for musicXml.
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int octChng; ///< Octave change for musicXml.
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int pitchOffset; ///< Pitch offset for line 0.
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char lines[14];
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const char* name;
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StaffGroup staffGroup;
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};
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extern const ClefInfo clefTable[];
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//---------------------------------------------------------
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// @@ Clef
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/// Graphic representation of a clef.
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//
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// @P showCourtesy bool
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// @P small bool r/o, set by layout
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//---------------------------------------------------------
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class Clef : public Element {
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Q_OBJECT
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Q_PROPERTY(bool showCourtesy READ showCourtesy WRITE undoSetShowCourtesy)
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Q_PROPERTY(bool small READ small)
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QList<Element*> elements;
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bool _showCourtesy;
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bool _showPreviousClef; // show clef type at position tick-1
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// used for first clef on staff immediatly followed
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// by a different clef at same tick position
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bool _small;
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ClefTypeList _clefTypes;
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ClefType curClefType; // cached value of clef type (for re-laying out)
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int curLines; // cached value of staff nm. of lines ( " )
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qreal curLineDist; // cached value of staff line distance ( " )
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void layout1(); // lays the element out, using cached values
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public:
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Clef(Score*);
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Clef(const Clef&);
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virtual Clef* clone() const { return new Clef(*this); }
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virtual ElementType type() const { return CLEF; }
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virtual void setSelected(bool f);
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Segment* segment() const { return (Segment*)parent(); }
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Measure* measure() const { return (Measure*)parent()->parent(); }
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virtual bool acceptDrop(MuseScoreView*, const QPointF&, Element*) const;
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virtual Element* drop(const DropData&);
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virtual void layout();
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virtual void draw(QPainter*) const;
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virtual void read(XmlReader&);
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virtual void write(Xml&) const;
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virtual void addElement(Element* e, qreal x, qreal y);
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virtual Space space() const { return Space(0.0, bbox().x() * 2.0 + width()); }
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bool small() const { return _small; }
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void setSmall(bool val);
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int tick() const;
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bool showCourtesy() const { return _showCourtesy; }
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void setShowCourtesy(bool v) { _showCourtesy = v; }
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void undoSetShowCourtesy(bool v);
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static ClefType clefType(const QString& s);
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ClefType clefType() const;
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void setClefType(ClefType i);
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void setClefType(const QString& s);
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ClefTypeList clefTypeList() const { return _clefTypes; }
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ClefType concertClef() const { return _clefTypes._concertClef; }
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ClefType transposingClef() const { return _clefTypes._transposingClef; }
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void setConcertClef(ClefType val);
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void setTransposingClef(ClefType val);
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void setClefType(const ClefTypeList& ctl) { _clefTypes = ctl; }
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virtual void spatiumChanged(qreal oldValue, qreal newValue);
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QVariant getProperty(P_ID propertyId) const;
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bool setProperty(P_ID propertyId, const QVariant&);
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QVariant propertyDefault(P_ID id) const;
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};
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#endif
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