182 lines
6.9 KiB
C++
182 lines
6.9 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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#include "layoutbreak.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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//---------------------------------------------------------
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// Repeat
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//---------------------------------------------------------
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enum class Repeat : char {
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NONE = 0,
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END = 1,
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START = 2,
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MEASURE = 4,
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JUMP = 8
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};
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constexpr Repeat operator| (Repeat t1, Repeat t2) {
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return static_cast<Repeat>(static_cast<int>(t1) | static_cast<int>(t2));
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}
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constexpr bool operator& (Repeat t1, Repeat t2) {
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return static_cast<int>(t1) & static_cast<int>(t2);
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}
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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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// @P lineBreak bool true if a system break is positioned on this measure
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// @P nextMeasure Measure the next Measure (read-only)
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// @P nextMeasureMM Measure the next multi-measure rest Measure (read-only)
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// @P pageBreak bool true if a page break is positioned on this measure
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// @P prevMeasure Measure the previous Measure (read-only)
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// @P prevMeasureMM Measure the previous multi-measure rest Measure (read-only)
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//---------------------------------------------------------
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class MeasureBase : public Element {
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MeasureBase* _next { 0 };
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MeasureBase* _prev { 0 };
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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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Fraction _tick { Fraction(0, 1) };
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int _no { 0 }; ///< Measure number, counting from zero
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int _noOffset { 0 }; ///< Offset to measure number
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protected:
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Fraction _len { Fraction(0, 1) }; ///< actual length of measure
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void cleanupLayoutBreaks(bool undo);
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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 ElementType type() const = 0;
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virtual void setScore(Score* s) override;
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MeasureBase* next() const { return _next; }
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MeasureBase* nextMM() const;
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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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Ms::Measure* nextMeasure() const;
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Ms::Measure* prevMeasure() const;
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Ms::Measure* nextMeasureMM() const;
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Ms::Measure* prevMeasureMM() const;
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virtual void write(XmlWriter&) const override = 0;
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virtual void write(XmlWriter&, int, bool, bool) const = 0;
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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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LayoutBreak* sectionBreakElement() const;
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void undoSetBreak(bool v, LayoutBreak::Type type);
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void undoSetLineBreak(bool v) { undoSetBreak(v, LayoutBreak::LINE);}
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void undoSetPageBreak(bool v) { undoSetBreak(v, LayoutBreak::PAGE);}
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void undoSetSectionBreak(bool v) { undoSetBreak(v, LayoutBreak::SECTION);}
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void undoSetNoBreak(bool v) { undoSetBreak(v, LayoutBreak::NOBREAK);}
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virtual void moveTicks(const Fraction& diff) { setTick(tick() + diff); }
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virtual void add(Element*) override;
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virtual void remove(Element*) override;
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virtual void writeProperties(XmlWriter&) const override;
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virtual bool readProperties(XmlReader&) override;
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Fraction tick() const { return _tick; }
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void setTick(const Fraction& f) { _tick = f; }
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Fraction ticks() const { return _len; }
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void setTicks(const Fraction& f) { _len = f; }
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Fraction endTick() const { return _tick + _len; }
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void triggerLayout() const override;
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qreal pause() const;
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virtual QVariant getProperty(Pid) const override;
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virtual bool setProperty(Pid, const QVariant&) override;
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virtual QVariant propertyDefault(Pid) const override;
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void clearElements();
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ElementList takeElements();
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int no() const { return _no; }
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void setNo(int n) { _no = n; }
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int noOffset() const { return _noOffset; }
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void setNoOffset(int n) { _noOffset = n; }
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bool repeatEnd() const { return flag(ElementFlag::REPEAT_END); }
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void setRepeatEnd(bool v) { setFlag(ElementFlag::REPEAT_END, v); }
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bool repeatStart() const { return flag(ElementFlag::REPEAT_START); }
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void setRepeatStart(bool v) { setFlag(ElementFlag::REPEAT_START, v); }
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bool repeatJump() const { return flag(ElementFlag::REPEAT_JUMP); }
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void setRepeatJump(bool v) { setFlag(ElementFlag::REPEAT_JUMP, v); }
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bool irregular() const { return flag(ElementFlag::IRREGULAR); }
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void setIrregular(bool v) { setFlag(ElementFlag::IRREGULAR, v); }
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bool lineBreak() const { return flag(ElementFlag::LINE_BREAK); }
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void setLineBreak(bool v) { setFlag(ElementFlag::LINE_BREAK, v); }
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bool pageBreak() const { return flag(ElementFlag::PAGE_BREAK); }
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void setPageBreak(bool v) { setFlag(ElementFlag::PAGE_BREAK, v); }
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bool sectionBreak() const { return flag(ElementFlag::SECTION_BREAK); }
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void setSectionBreak(bool v) { setFlag(ElementFlag::SECTION_BREAK, v); }
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bool noBreak() const { return flag(ElementFlag::NO_BREAK); }
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void setNoBreak(bool v) { setFlag(ElementFlag::NO_BREAK, v); }
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bool hasCourtesyKeySig() const { return flag(ElementFlag::KEYSIG); }
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void setHasCourtesyKeySig(int v) { setFlag(ElementFlag::KEYSIG, v); }
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virtual void computeMinWidth() { };
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int index() const;
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int measureIndex() const;
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};
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} // namespace Ms
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#endif
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