161 lines
6.4 KiB
C++
161 lines
6.4 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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// data for some preset bar line span types
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static const int BARLINE_SPAN_TICK1_FROM = -1;
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static const int BARLINE_SPAN_TICK1_TO = 1;
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static const int BARLINE_SPAN_TICK2_FROM = -2;
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static const int BARLINE_SPAN_TICK2_TO = 2;
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static const int BARLINE_SPAN_SHORT1_FROM = 2;
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static const int BARLINE_SPAN_SHORT1_TO = 6;
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static const int BARLINE_SPAN_SHORT2_FROM = 1;
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static const int BARLINE_SPAN_SHORT2_TO = 7;
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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 = -6;
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//---------------------------------------------------------
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// BarLineTableItem
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//---------------------------------------------------------
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struct BarLineTableItem {
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BarLineType type;
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const char* name;
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};
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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 { BarLineType::NORMAL };
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bool _customSpan { false };
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bool _customSubtype { false };
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int _span { 1 }; // number of staves spanned by the barline
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int _spanFrom { 0 }; // line number on start and end staves
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int _spanTo { DEFAULT_BARLINE_TO };
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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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static bool shiftDrag; // used to mark if [SHIFT] 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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void updateCustomType();
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void updateGenerated(bool canBeTrue = true);
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public:
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BarLine(Score*);
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BarLine &operator=(const BarLine&) = delete;
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virtual BarLine* clone() const override { return new BarLine(*this); }
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virtual Element::Type type() const override { return Element::Type::BAR_LINE; }
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virtual void write(Xml& xml) const override;
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virtual void read(XmlReader&) override;
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virtual void draw(QPainter*) const override;
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virtual Space space() const override;
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virtual QPointF pagePos() const override; ///< position in canvas coordinates
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virtual QPointF canvasPos() const override; ///< position in canvas coordinates
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virtual void layout() override;
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virtual void scanElements(void* data, void (*func)(void*, Element*), bool all=true) override;
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virtual void add(Element*) override;
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virtual void remove(Element*) override;
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virtual QPainterPath shape() const override;
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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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void setCustomSpan(bool val) { _customSpan = val; }
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void setCustomSubtype(bool val) { _customSubtype = val; }
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void setSpan(int val);
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void setSpanFrom(int val);
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void setSpanTo(int val);
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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 override { return parent()->type() == Element::Type::SEGMENT; }
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virtual void startEdit(MuseScoreView*, const QPointF&) override;
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virtual void endEdit() override;
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virtual void editDrag(const EditData&) override;
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virtual void endEditDrag() override;
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virtual void updateGrips(Grip*, QVector<QRectF>&) const override;
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virtual int grips() const override { return 2; }
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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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static QString userTypeName(BarLineType);
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static unsigned int barLineTableSize();
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static BarLineTableItem barLineTableItem(int i);
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QString barLineTypeName() const;
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static QString barLineTypeName(BarLineType t);
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void setBarLineType(const QString& s);
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void setBarLineType(BarLineType i) { _barLineType = i; updateCustomType(); }
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BarLineType barLineType() const { return _barLineType; }
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virtual int subtype() const override { return int(_barLineType); }
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virtual QString subtypeName() const override { return qApp->translate("barline", barLineTypeName().toUtf8()); }
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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 propertyId) const override;
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virtual qreal mag() const override;
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static void setCtrlDrag(bool val) { ctrlDrag = val; }
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static void setShiftDrag(bool val) { shiftDrag = val; }
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static qreal layoutWidth(Score*, BarLineType, qreal mag);
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virtual Element* nextElement() override;
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virtual Element* prevElement() override;
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virtual QString accessibleInfo() override;
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virtual QString accessibleExtraInfo() override;
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};
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} // namespace Ms
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#endif
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