164 lines
5.2 KiB
C++
164 lines
5.2 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 __SYSTEM_H__
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#define __SYSTEM_H__
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/**
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\file
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Definition of classes SysStaff and System
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*/
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#include "element.h"
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#include "spatium.h"
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#include "symbol.h"
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namespace Ms {
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class Staff;
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class StaffLines;
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class Clef;
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class Page;
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class Bracket;
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class Lyrics;
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class Segment;
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class MeasureBase;
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class Text;
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class InstrumentName;
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class SpannerSegment;
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class VBox;
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class BarLine;
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//---------------------------------------------------------
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// SysStaff
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/// One staff of a System.
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//---------------------------------------------------------
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class SysStaff {
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QRectF _bbox; // Bbox of StaffLines.
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qreal _yOff { 0 }; // offset of top staff line within bbox
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bool _show { true }; // derived from Staff or false if empty
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// staff is hidden
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public:
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int idx { 0 };
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QList<InstrumentName*> instrumentNames;
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const QRectF& bbox() const { return _bbox; }
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QRectF& bbox() { return _bbox; }
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void setbbox(const QRectF& r) { _bbox = r; }
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qreal y() const { return _bbox.y() + _yOff; }
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void setYOff(qreal offset) { _yOff = offset; }
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bool show() const { return _show; }
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void setShow(bool v) { _show = v; }
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SysStaff() {}
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~SysStaff();
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};
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//---------------------------------------------------------
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// @@ System
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/// One row of measures for all instruments;
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/// a complete piece of the timeline.
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//---------------------------------------------------------
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class System : public Element {
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Q_OBJECT
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SystemDivider* _systemDividerLeft { 0 };
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SystemDivider* _systemDividerRight { 0 };
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std::vector<MeasureBase*> ml;
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QList<SysStaff*> _staves;
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QList<Bracket*> _brackets;
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QList<SpannerSegment*> _spannerSegments;
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qreal _leftMargin { 0.0 }; ///< left margin for instrument name, brackets etc.
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public:
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System(Score*);
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~System();
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virtual System* clone() const override { return new System(*this); }
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virtual Element::Type type() const override { return Element::Type::SYSTEM; }
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virtual void add(Element*) override;
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virtual void remove(Element*) override;
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virtual void change(Element* o, Element* n) override;
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virtual void write(Xml&) const override;
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virtual void read(XmlReader&) override;
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virtual void scanElements(void* data, void (*func)(void*, Element*), bool all=true) override;
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Page* page() const { return (Page*)parent(); }
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void layoutSystem(qreal xoffset);
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void layout2(); ///< Called after Measure layout.
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void clear(); ///< Clear measure list.
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QRectF bboxStaff(int staff) const { return _staves[staff]->bbox(); }
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QList<SysStaff*>* staves() { return &_staves; }
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const QList<SysStaff*>* staves() const { return &_staves; }
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qreal staffYpage(int staffIdx) const;
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qreal staffCanvasYpage(int staffIdx) const;
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SysStaff* staff(int staffIdx) const { return _staves[staffIdx]; }
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bool pageBreak() const;
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SysStaff* insertStaff(int);
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void removeStaff(int);
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int y2staff(qreal y) const;
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void setInstrumentNames(bool longName);
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int snap(int tick, const QPointF p) const;
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int snapNote(int tick, const QPointF p, int staff) const;
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std::vector<MeasureBase*>& measures() { return ml; }
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const std::vector<MeasureBase*>& measures() const { return ml; }
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MeasureBase* measure(int idx) { return ml[idx]; }
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Measure* firstMeasure() const;
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Measure* lastMeasure() const;
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int endTick() const;
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MeasureBase* prevMeasure(const MeasureBase*) const;
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MeasureBase* nextMeasure(const MeasureBase*) const;
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qreal leftMargin() const { return _leftMargin; }
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VBox* vbox() const;
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const QList<Bracket*>& brackets() const { return _brackets; }
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QList<SpannerSegment*>& spannerSegments() { return _spannerSegments; }
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const QList<SpannerSegment*>& spannerSegments() const { return _spannerSegments; }
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SystemDivider* systemDividerLeft() const { return _systemDividerLeft; }
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SystemDivider* systemDividerRight() const { return _systemDividerRight; }
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virtual Element* nextElement() override;
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virtual Element* prevElement() override;
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qreal minDistance(System*) const;
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qreal minTop() const;
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qreal minBottom() const;
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void removeGeneratedElements();
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void moveBracket(int staffIdx, int srcCol, int dstCol);
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};
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typedef QList<System*>::iterator iSystem;
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typedef QList<System*>::const_iterator ciSystem;
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} // namespace Ms
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#endif
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