267 lines
11 KiB
C++
267 lines
11 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2010-2011 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 __SPANNER_H__
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#define __SPANNER_H__
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#include "element.h"
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namespace Ms {
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class Spanner;
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//---------------------------------------------------------
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// SpannerSegmentType
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//---------------------------------------------------------
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enum class SpannerSegmentType {
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SINGLE, BEGIN, MIDDLE, END
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};
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//---------------------------------------------------------
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// SpannerEditData
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//---------------------------------------------------------
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class SpannerEditData : public ElementEditData {
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public:
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Element* editStartElement;
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Element* editEndElement;
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int editTick;
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int editTick2;
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int editTrack2;
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QList<QPointF> userOffsets;
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QList<QPointF> userOffsets2;
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};
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//---------------------------------------------------------
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// @@ SpannerSegment
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//! parent: System
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//---------------------------------------------------------
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class SpannerSegment : public Element {
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Spanner* _spanner;
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SpannerSegmentType _spannerSegmentType;
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protected:
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QPointF _p2;
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QPointF _offset2;
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public:
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SpannerSegment(Spanner*, Score*, ElementFlags f = ElementFlag::ON_STAFF | ElementFlag::MOVABLE);
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SpannerSegment(Score* s, ElementFlags f = ElementFlag::ON_STAFF | ElementFlag::MOVABLE);
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SpannerSegment(const SpannerSegment&);
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virtual SpannerSegment* clone() const = 0;
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Spanner* spanner() const { return _spanner; }
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Spanner* setSpanner(Spanner* val) { return _spanner = val; }
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void setSpannerSegmentType(SpannerSegmentType s) { _spannerSegmentType = s; }
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SpannerSegmentType spannerSegmentType() const { return _spannerSegmentType; }
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bool isSingleType() const { return spannerSegmentType() == SpannerSegmentType::SINGLE; }
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bool isBeginType() const { return spannerSegmentType() == SpannerSegmentType::BEGIN; }
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bool isSingleBeginType() const { return isSingleType() || isBeginType(); }
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bool isSingleEndType() const { return isSingleType() || isEndType(); }
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bool isMiddleType() const { return spannerSegmentType() == SpannerSegmentType::MIDDLE; }
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bool isEndType() const { return spannerSegmentType() == SpannerSegmentType::END; }
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void setSystem(System* s);
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System* system() const { return toSystem(parent()); }
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const QPointF& userOff2() const { return _offset2; }
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void setUserOff2(const QPointF& o) { _offset2 = o; }
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void setUserXoffset2(qreal x) { _offset2.setX(x); }
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qreal& rUserXoffset2() { return _offset2.rx(); }
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qreal& rUserYoffset2() { return _offset2.ry(); }
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void setPos2(const QPointF& p) { _p2 = p; }
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//TODO: rename to spanSegPosWithUserOffset()
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QPointF pos2() const { return _p2 + _offset2; }
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//TODO: rename to spanSegPos()
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const QPointF& ipos2() const { return _p2; }
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QPointF& rpos2() { return _p2; }
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qreal& rxpos2() { return _p2.rx(); }
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qreal& rypos2() { return _p2.ry(); }
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virtual bool isEditable() const override { return true; }
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virtual QVariant getProperty(Pid id) const override;
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virtual bool setProperty(Pid id, const QVariant& v) override;
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virtual QVariant propertyDefault(Pid id) const override;
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virtual Element* propertyDelegate(Pid) override;
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virtual void undoChangeProperty(Pid id, const QVariant&, PropertyFlags ps) override;
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using ScoreElement::undoChangeProperty;
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virtual Sid getPropertyStyle(Pid id) const override;
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virtual PropertyFlags propertyFlags(Pid id) const override;
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virtual void resetProperty(Pid id) override;
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virtual void styleChanged() override;
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void reset() override;
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virtual void setSelected(bool f) override;
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virtual void setVisible(bool f) override;
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virtual void setColor(const QColor& col) override;
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virtual Element* nextSegmentElement() override;
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virtual Element* prevSegmentElement() override;
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virtual QString accessibleInfo() const override;
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virtual void triggerLayout() const override;
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void autoplaceSpannerSegment(qreal minDistance);
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};
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//----------------------------------------------------------------------------------
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// @@ Spanner
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/// Virtual base class for slurs, ties, lines etc.
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//
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// @P anchor enum (Spanner.CHORD, Spanner.MEASURE, Spanner.NOTE, Spanner.SEGMENT)
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// @P endElement Element the element the spanner end is anchored to (read-only)
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// @P startElement Element the element the spanner start is anchored to (read-only)
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// @P tick int tick start position
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// @P tick2 int tick end position
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//----------------------------------------------------------------------------------
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class Spanner : public Element {
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public:
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enum class Anchor {
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SEGMENT, MEASURE, CHORD, NOTE
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};
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private:
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Element* _startElement { 0 };
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Element* _endElement { 0 };
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Anchor _anchor { Anchor::SEGMENT };
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int _tick { -1 };
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int _ticks { 0 };
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int _track2 { -1 };
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bool _broken { false };
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std::vector<SpannerSegment*> segments;
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std::deque<SpannerSegment*> unusedSegments; // Currently unused segments which can be reused later.
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// We cannot just delete them as they can be referenced
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// in undo stack or other places already.
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protected:
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void pushUnusedSegment(SpannerSegment* seg);
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SpannerSegment* popUnusedSegment();
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void reuse(SpannerSegment* seg); // called when segment from unusedSegments
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// is added back to the spanner.
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int reuseSegments(int number);
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SpannerSegment* getNextLayoutSystemSegment(System* system, std::function<SpannerSegment*()> createSegment);
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void fixupSegments(unsigned int targetNumber, std::function<SpannerSegment*()> createSegment);
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const std::vector<SpannerSegment*> spannerSegments() const { return segments; }
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public:
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Spanner(Score* s, ElementFlags = ElementFlag::NOTHING);
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Spanner(const Spanner&);
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~Spanner();
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virtual ElementType type() const = 0;
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virtual void setScore(Score* s) override;
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void writeSpannerStart(XmlWriter& xml, const Element* current, int track, Fraction frac = -1) const;
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void writeSpannerEnd(XmlWriter& xml, const Element* current, int track, Fraction frac = -1) const;
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void writeSpannerStart(XmlWriter& xml, const Element* current, int track, int tick) const;
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void writeSpannerEnd(XmlWriter& xml, const Element* current, int track, int tick) const;
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static void readSpanner(XmlReader& e, Element* current, int track);
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static void readSpanner(XmlReader& e, Score* current, int track);
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virtual int tick() const override { return _tick; }
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int tick2() const { return _tick + _ticks; }
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int ticks() const { return _ticks; }
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void setTick(int v);
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void setTick2(int v);
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void setTicks(int v);
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int track2() const { return _track2; }
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void setTrack2(int v) { _track2 = v; }
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Fraction rfrac() const override;
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Fraction afrac() const override;
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bool broken() const { return _broken; }
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void setBroken(bool v) { _broken = v; }
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Anchor anchor() const { return _anchor; }
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void setAnchor(Anchor a) { _anchor = a; }
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const std::vector<SpannerSegment*>& spannerSegments() { return segments; }
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SpannerSegment* frontSegment() { return segments.front(); }
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const SpannerSegment* frontSegment() const { return segments.front(); }
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SpannerSegment* backSegment() { return segments.back(); }
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const SpannerSegment* backSegment() const { return segments.back(); }
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SpannerSegment* segmentAt(int n) { return segments[n]; }
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const SpannerSegment* segmentAt(int n) const { return segments[n]; }
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size_t nsegments() const { return segments.size(); }
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bool segmentsEmpty() const { return segments.empty(); }
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void eraseSpannerSegments();
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virtual SpannerSegment* layoutSystem(System*);
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virtual void layoutSystemsDone();
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virtual void triggerLayout() const override;
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virtual void add(Element*) override;
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virtual void remove(Element*) override;
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virtual void scanElements(void* data, void (*func)(void*, Element*), bool all=true) override;
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bool removeSpannerBack();
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virtual void removeUnmanaged();
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virtual void undoInsertTimeUnmanaged(int tick, int len);
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QVariant getProperty(Pid propertyId) const;
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bool setProperty(Pid propertyId, const QVariant& v);
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QVariant propertyDefault(Pid propertyId) const;
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virtual void undoChangeProperty(Pid id, const QVariant&, PropertyFlags ps) override;
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void computeStartElement();
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void computeEndElement();
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static Note* endElementFromSpanner(Spanner* sp, Element* newStart);
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static Note* startElementFromSpanner(Spanner* sp, Element* newEnd);
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void setNoteSpan(Note* startNote, Note* endNote);
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Element* startElement() const { return _startElement; }
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Element* endElement() const { return _endElement; }
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Measure* startMeasure() const;
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Measure* endMeasure() const;
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void setStartElement(Element* e);
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void setEndElement(Element* e);
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ChordRest* startCR();
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ChordRest* endCR();
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Chord* startChord();
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Chord* endChord();
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Segment* startSegment() const;
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Segment* endSegment() const;
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virtual void setSelected(bool f) override;
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virtual void setVisible(bool f) override;
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virtual void setColor(const QColor& col) override;
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Spanner* nextSpanner(Element* e, int activeStaff);
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Spanner* prevSpanner(Element* e, int activeStaff);
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virtual Element* nextSegmentElement() override;
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virtual Element* prevSegmentElement() override;
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friend class SpannerSegment;
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using ScoreElement::undoChangeProperty;
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};
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} // namespace Ms
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// Q_DECLARE_METATYPE(Ms::Spanner::Anchor);
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#endif
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