119 lines
4.4 KiB
C++
119 lines
4.4 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 __BARLINE_H__
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#define __BARLINE_H__
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#include "element.h"
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class QPainter;
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namespace Ms {
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class MuseScoreView;
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class Segment;
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static const int DEFAULT_BARLINE_TO = 4 * 2;
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static const int MIN_BARLINE_FROMTO_DIST = 2;
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static const int MIN_BARLINE_SPAN_FROMTO = -2;
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// bar line span for 1-line staves is special: goes from 2sp above the line to 2sp below the line;
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static const int BARLINE_SPAN_1LINESTAFF_FROM = -4;
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static const int BARLINE_SPAN_1LINESTAFF_TO = 4;
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// used while reading a score for a default spanTo (to last staff line) toward a staff not yet read;
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// fixed once all staves are read
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static const int UNKNOWN_BARLINE_TO = -4;
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//---------------------------------------------------------
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// @@ BarLine
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//---------------------------------------------------------
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class BarLine : public Element {
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Q_OBJECT
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BarLineType _barLineType;
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bool _customSpan;
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bool _customSubtype;
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int _span;
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int _spanFrom, _spanTo;
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// static variables used while dragging
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static int _origSpan, _origSpanFrom, _origSpanTo; // original span value before editing
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static qreal yoff1, yoff2; // used during drag edit to extend y1 and y2
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static bool ctrlDrag; // used to mark if [CTRL] has been used while dragging
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void getY(qreal*, qreal*) const;
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ElementList _el; ///< fermata or other articulations
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void drawDots(QPainter* painter, qreal x) const;
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void updateCustomSpan();
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public:
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BarLine(Score*);
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BarLine &operator=(const BarLine&);
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virtual BarLine* clone() const { return new BarLine(*this); }
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virtual ElementType type() const { return BAR_LINE; }
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virtual void write(Xml& xml) const;
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virtual void read(XmlReader&);
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virtual void draw(QPainter*) const;
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virtual Space space() const;
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virtual QPointF pagePos() const; ///< position in canvas coordinates
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virtual void layout();
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virtual void scanElements(void* data, void (*func)(void*, Element*), bool all=true);
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virtual void add(Element*);
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virtual void remove(Element*);
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virtual QPainterPath shape() const;
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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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void setCustomSpan(bool val) { _customSpan = val; }
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void setCustomSubtype(bool val) { _customSubtype = val; }
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void setSpan(int val) { _span = val; updateCustomSpan(); }
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void setSpanFrom(int val) { _spanFrom = val; updateCustomSpan(); }
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void setSpanTo(int val) { _spanTo = val; updateCustomSpan(); }
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bool customSpan() const { return _customSpan; }
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bool customSubtype() const { return _customSubtype;}
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int span() const { return _span; }
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int spanFrom() const { return _spanFrom; }
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int spanTo() const { return _spanTo; }
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virtual bool isEditable() const { return parent()->type() == SEGMENT; }
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virtual void startEdit(MuseScoreView*, const QPointF&);
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virtual void endEdit();
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virtual void editDrag(const EditData&);
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virtual void endEditDrag();
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virtual void updateGrips(int*, QRectF*) const;
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int tick() const;
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ElementList* el() { return &_el; }
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const ElementList* el() const { return &_el; }
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QString barLineTypeName() const;
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void setBarLineType(const QString& s);
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void setBarLineType(BarLineType i) { _barLineType = i; }
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BarLineType barLineType() const { return _barLineType; }
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virtual QVariant getProperty(P_ID propertyId) const;
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virtual bool setProperty(P_ID propertyId, const QVariant&);
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virtual QVariant propertyDefault(P_ID propertyId) const;
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static void setCtrlDrag(bool val) { ctrlDrag = val; }
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static qreal layoutWidth(Score*, BarLineType, qreal mag);
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};
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} // namespace Ms
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#endif
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