c7ffeba4cf
Restructure lines anchors rebasing code, allow for reliable line span change between systems
142 lines
5.8 KiB
C++
142 lines
5.8 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 __LINE_H__
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#define __LINE_H__
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#include "spanner.h"
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#include "mscore.h"
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namespace Ms {
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class SLine;
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class System;
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//---------------------------------------------------------
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// @@ LineSegment
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/// Virtual base class for segmented lines segments
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/// (OttavaSegment, HairpinSegment, TrillSegment...)
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///
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/// This class describes one segment of an segmented
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/// line object. Line objects can span multiple staves.
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/// For every staff a segment is created.
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//---------------------------------------------------------
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class LineSegment : public SpannerSegment {
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protected:
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virtual void editDrag(EditData&) override;
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virtual bool edit(EditData&) override;
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QVector<QLineF> gripAnchorLines(Grip) const override;
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virtual void startEditDrag(EditData&) override;
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void startDrag(EditData&) override;
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public:
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LineSegment(Spanner* sp, Score* s, ElementFlags f = ElementFlag::NOTHING) : SpannerSegment(sp, s, f) {}
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LineSegment(Score* s, ElementFlags f = ElementFlag::NOTHING) : SpannerSegment(s, f) {}
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LineSegment(const LineSegment&);
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virtual void draw(QPainter*) const = 0;
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SLine* line() const { return (SLine*)spanner(); }
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virtual void spatiumChanged(qreal, qreal) override;
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virtual void localSpatiumChanged(qreal, qreal) override;
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friend class SLine;
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virtual void read(XmlReader&) override;
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bool readProperties(XmlReader&);
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virtual Element* propertyDelegate(Pid) override;
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Element::EditBehavior normalModeEditBehavior() const override { return Element::EditBehavior::Edit; }
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int gripsCount() const override { return 3; }
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Grip initialEditModeGrip() const override { return Grip::END; }
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Grip defaultGrip() const override { return Grip::MIDDLE; }
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std::vector<QPointF> gripsPositions(const EditData& = EditData()) const override;
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virtual QVector<QLineF> dragAnchorLines() const override;
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QRectF drag(EditData &ed) override;
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private:
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QPointF leftAnchorPosition(const qreal& systemPositionY) const;
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QPointF rightAnchorPosition(const qreal& systemPositionY) const;
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Segment* findSegmentForGrip(Grip grip, QPointF pos) const;
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static QPointF deltaRebaseLeft(const Segment* oldSeg, const Segment* newSeg);
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static QPointF deltaRebaseRight(const Segment* oldSeg, const Segment* newSeg, int staffIdx);
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static Fraction lastSegmentEndTick(const Segment* lastSeg, const Spanner* s);
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LineSegment* rebaseAnchor(Grip grip, Segment* newSeg);
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void rebaseAnchors(EditData&, Grip);
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};
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//---------------------------------------------------------
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// @@ SLine
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/// virtual base class for Hairpin, Trill and TextLine
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//---------------------------------------------------------
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class SLine : public Spanner {
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qreal _lineWidth;
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QColor _lineColor { MScore::defaultColor };
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Qt::PenStyle _lineStyle { Qt::SolidLine };
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qreal _dashLineLen { 5.0 };
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qreal _dashGapLen { 5.0 };
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bool _diagonal { false };
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protected:
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virtual QPointF linePos(Grip, System** system) const;
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public:
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SLine(Score* s, ElementFlags = ElementFlag::NOTHING);
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SLine(const SLine&);
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virtual void layout() override;
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virtual SpannerSegment* layoutSystem(System*) override;
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bool readProperties(XmlReader& node);
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void writeProperties(XmlWriter& xml) const;
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virtual LineSegment* createLineSegment() = 0;
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void setLen(qreal l);
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using Element::bbox;
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virtual const QRectF& bbox() const override;
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virtual void write(XmlWriter&) const override;
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virtual void read(XmlReader&) override;
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bool diagonal() const { return _diagonal; }
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void setDiagonal(bool v) { _diagonal = v; }
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qreal lineWidth() const { return _lineWidth; }
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QColor lineColor() const { return _lineColor; }
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Qt::PenStyle lineStyle() const { return _lineStyle; }
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void setLineWidth(const qreal& v) { _lineWidth = v; }
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void setLineColor(const QColor& v) { _lineColor = v; }
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void setLineStyle(Qt::PenStyle v) { _lineStyle = v; }
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qreal dashLineLen() const { return _dashLineLen; }
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void setDashLineLen(qreal val) { _dashLineLen = val; }
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qreal dashGapLen() const { return _dashGapLen; }
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void setDashGapLen(qreal val) { _dashGapLen = val; }
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LineSegment* frontSegment() { return toLineSegment(Spanner::frontSegment()); }
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const LineSegment* frontSegment() const { return toLineSegment(Spanner::frontSegment()); }
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LineSegment* backSegment() { return toLineSegment(Spanner::backSegment()); }
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const LineSegment* backSegment() const { return toLineSegment(Spanner::backSegment()); }
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LineSegment* segmentAt(int n) { return toLineSegment(Spanner::segmentAt(n)); }
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const LineSegment* segmentAt(int n) const { return toLineSegment(Spanner::segmentAt(n)); }
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virtual QVariant getProperty(Pid id) const override;
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virtual bool setProperty(Pid propertyId, const QVariant&) override;
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virtual QVariant propertyDefault(Pid id) const override;
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friend class LineSegment;
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};
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} // namespace Ms
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#endif
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