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spanner.h
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spanner.h
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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2010-2011 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#ifndef __SPANNER_H__
#define __SPANNER_H__
#include "element.h"
namespace Ms {
class Spanner;
//---------------------------------------------------------
// SpannerSegmentType
//---------------------------------------------------------
enum class SpannerSegmentType {
SINGLE, BEGIN, MIDDLE, END
};
//---------------------------------------------------------
// SpannerEditData
//---------------------------------------------------------
class SpannerEditData : public ElementEditData {
public:
Element* editStartElement;
Element* editEndElement;
int editTick;
int editTick2;
int editTrack2;
QList<QPointF> userOffsets;
QList<QPointF> userOffsets2;
};
//---------------------------------------------------------
// @@ SpannerSegment
//! parent: System
//---------------------------------------------------------
class SpannerSegment : public Element {
Spanner* _spanner;
SpannerSegmentType _spannerSegmentType;
protected:
QPointF _p2;
QPointF _userOff2;
public:
SpannerSegment(Score* s, ElementFlags f = ElementFlag::ON_STAFF | ElementFlag::MOVABLE);
SpannerSegment(const SpannerSegment&);
virtual SpannerSegment* clone() const = 0;
Spanner* spanner() const { return _spanner; }
Spanner* setSpanner(Spanner* val) { return _spanner = val; }
void setSpannerSegmentType(SpannerSegmentType s) { _spannerSegmentType = s; }
SpannerSegmentType spannerSegmentType() const { return _spannerSegmentType; }
bool isSingleType() const { return spannerSegmentType() == SpannerSegmentType::SINGLE; }
bool isBeginType() const { return spannerSegmentType() == SpannerSegmentType::BEGIN; }
bool isSingleBeginType() const { return isSingleType() || isBeginType(); }
bool isSingleEndType() const { return isSingleType() || isEndType(); }
bool isMiddleType() const { return spannerSegmentType() == SpannerSegmentType::MIDDLE; }
bool isEndType() const { return spannerSegmentType() == SpannerSegmentType::END; }
void setSystem(System* s);
System* system() const;
const QPointF& userOff2() const { return _userOff2; }
void setUserOff2(const QPointF& o) { _userOff2 = o; }
void setUserXoffset2(qreal x) { _userOff2.setX(x); }
qreal& rUserXoffset2() { return _userOff2.rx(); }
qreal& rUserYoffset2() { return _userOff2.ry(); }
void setPos2(const QPointF& p) { _p2 = p; }
//TODO: rename to spanSegPosWithUserOffset()
QPointF pos2() const { return _p2 + _userOff2; }
//TODO: rename to spanSegPos()
const QPointF& ipos2() const { return _p2; }
qreal& rxpos2() { return _p2.rx(); }
qreal& rypos2() { return _p2.ry(); }
virtual bool isEditable() const override { return true; }
virtual QVariant getProperty(Pid id) const override;
virtual bool setProperty(Pid id, const QVariant& v) override;
virtual QVariant propertyDefault(Pid id) const override;
virtual Element* propertyDelegate(Pid) override;
virtual Sid getPropertyStyle(Pid id) const override;
virtual PropertyFlags propertyFlags(Pid id) const override;
virtual void resetProperty(Pid id) override;
virtual void styleChanged() override;
void reset() override;
virtual void setSelected(bool f) override;
virtual void setVisible(bool f) override;
virtual void setColor(const QColor& col) override;
virtual Element* nextSegmentElement() override;
virtual Element* prevSegmentElement() override;
virtual QString accessibleInfo() const override;
virtual void triggerLayout() const override;
void autoplaceSpannerSegment(qreal minDistance, Sid posBelow, Sid posAbove);
};
//----------------------------------------------------------------------------------
// @@ Spanner
/// Virtual base class for slurs, ties, lines etc.
//
// @P anchor enum (Spanner.CHORD, Spanner.MEASURE, Spanner.NOTE, Spanner.SEGMENT)
// @P endElement Element the element the spanner end is anchored to (read-only)
// @P startElement Element the element the spanner start is anchored to (read-only)
// @P tick int tick start position
// @P tick2 int tick end position
//----------------------------------------------------------------------------------
class Spanner : public Element {
public:
enum class Anchor {
SEGMENT, MEASURE, CHORD, NOTE
};
private:
Element* _startElement { 0 };
Element* _endElement { 0 };
Anchor _anchor { Anchor::SEGMENT };
int _tick { -1 };
int _ticks { 0 };
int _track2 { -1 };
bool _broken { false };
protected:
QList<SpannerSegment*> segments;
public:
Spanner(Score* s, ElementFlags = ElementFlag::NOTHING);
Spanner(const Spanner&);
~Spanner();
virtual ElementType type() const = 0;
virtual void setScore(Score* s) override;
void writeSpannerStart(XmlWriter& xml, const Element* current, int track, Fraction frac = -1) const;
void writeSpannerEnd(XmlWriter& xml, const Element* current, int track, Fraction frac = -1) const;
void writeSpannerStart(XmlWriter& xml, const Element* current, int track, int tick) const;
void writeSpannerEnd(XmlWriter& xml, const Element* current, int track, int tick) const;
static void readSpanner(XmlReader& e, Element* current, int track);
static void readSpanner(XmlReader& e, Score* current, int track);
virtual int tick() const override { return _tick; }
int tick2() const { return _tick + _ticks; }
int ticks() const { return _ticks; }
void setTick(int v);
void setTick2(int v);
void setTicks(int v);
int track2() const { return _track2; }
void setTrack2(int v) { _track2 = v; }
Fraction rfrac() const override;
Fraction afrac() const override;
bool broken() const { return _broken; }
void setBroken(bool v) { _broken = v; }
Anchor anchor() const { return _anchor; }
void setAnchor(Anchor a) { _anchor = a; }
const QList<SpannerSegment*>& spannerSegments() const { return segments; }
QList<SpannerSegment*>& spannerSegments() { return segments; }
virtual SpannerSegment* layoutSystem(System*);
virtual void triggerLayout() const override;
virtual void add(Element*) override;
virtual void remove(Element*) override;
virtual void scanElements(void* data, void (*func)(void*, Element*), bool all=true) override;
bool removeSpannerBack();
virtual void removeUnmanaged();
virtual void undoInsertTimeUnmanaged(int tick, int len);
virtual void setYoff(qreal) {} // used in musicxml import
QVariant getProperty(Pid propertyId) const;
bool setProperty(Pid propertyId, const QVariant& v);
QVariant propertyDefault(Pid propertyId) const;
void computeStartElement();
void computeEndElement();
static Note* endElementFromSpanner(Spanner* sp, Element* newStart);
static Note* startElementFromSpanner(Spanner* sp, Element* newEnd);
void setNoteSpan(Note* startNote, Note* endNote);
Element* startElement() const { return _startElement; }
Element* endElement() const { return _endElement; }
Measure* startMeasure() const;
Measure* endMeasure() const;
void setStartElement(Element* e);
void setEndElement(Element* e);
ChordRest* startCR();
ChordRest* endCR();
Chord* startChord();
Chord* endChord();
Segment* startSegment() const;
Segment* endSegment() const;
virtual void setSelected(bool f) override;
virtual void setVisible(bool f) override;
virtual void setColor(const QColor& col) override;
Spanner* nextSpanner(Element* e, int activeStaff);
Spanner* prevSpanner(Element* e, int activeStaff);
virtual Element* nextSegmentElement() override;
virtual Element* prevSegmentElement() override;
// virtual bool isSpanner() const override { return true; }
friend class SpannerSegment;
};
} // namespace Ms
// Q_DECLARE_METATYPE(Ms::Spanner::Anchor);
#endif