110 lines
3.7 KiB
C++
110 lines
3.7 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 __MEASUREBASE_H__
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#define __MEASUREBASE_H__
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/**
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\file
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Definition of MeasureBase class.
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*/
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#include "element.h"
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namespace Ms {
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class Score;
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class System;
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class Measure;
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class LayoutBreak;
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//---------------------------------------------------------
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// @@ MeasureBase
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/// Virtual base class for Measure, HBox and VBox
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//---------------------------------------------------------
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class MeasureBase : public Element {
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Q_OBJECT
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MeasureBase* _next;
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MeasureBase* _prev;
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int _tick;
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protected:
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ElementList _el; ///< Measure(/tick) relative -elements: with defined start time
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///< but outside the staff
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bool _breakHint;
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bool _lineBreak; ///< Forced line break
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bool _pageBreak; ///< Forced page break
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LayoutBreak* _sectionBreak;
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public:
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MeasureBase(Score* score = 0);
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~MeasureBase();
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MeasureBase(const MeasureBase&);
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virtual MeasureBase* clone() const = 0;
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virtual void setScore(Score* s);
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MeasureBase* next() const { return _next; }
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void setNext(MeasureBase* e) { _next = e; }
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MeasureBase* prev() const { return _prev; }
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void setPrev(MeasureBase* e) { _prev = e; }
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Q_INVOKABLE Measure* nextMeasure() const;
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Q_INVOKABLE Measure* prevMeasure() const;
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virtual int ticks() const { return 0; }
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virtual void write(Xml&, int, bool) const = 0;
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void layout0();
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virtual void layout();
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virtual void scanElements(void* data, void (*func)(void*, Element*), bool all=true);
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ElementList* el() { return &_el; }
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const ElementList* el() const { return &_el; }
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System* system() const { return (System*)parent(); }
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void setSystem(System* s) { setParent((Element*)s); }
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bool breakHint() const { return _breakHint; }
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void setBreakHint(bool val) { _breakHint = val; }
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bool lineBreak() const { return _lineBreak; }
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bool pageBreak() const { return _pageBreak; }
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LayoutBreak* sectionBreak() const { return _sectionBreak; }
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void setLineBreak(bool v) { _lineBreak = v; }
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void setPageBreak(bool v) { _pageBreak = v; }
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void setSectionBreak(LayoutBreak* v) { _sectionBreak = v; }
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virtual void moveTicks(int diff) { setTick(tick() + diff); }
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virtual qreal distanceUp(int) const { return 0.0; }
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virtual qreal distanceDown(int) const { return 0.0; }
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virtual qreal userDistanceUp(int) const { return .0; }
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virtual qreal userDistanceDown(int) const { return .0; }
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virtual void add(Element*);
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virtual void remove(Element*);
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int tick() const { return _tick; }
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int endTick() const { return tick() + ticks(); }
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void setTick(int t) { _tick = t; }
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qreal pause() const;
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virtual QVariant getProperty(P_ID propertyId) const;
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virtual bool setProperty(P_ID propertyId, const QVariant&);
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};
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} // namespace Ms
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#endif
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