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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2002-2016 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#ifndef __LAYOUT_H__
#define __LAYOUT_H__
namespace Ms {
class Segment;
class Page;
//---------------------------------------------------------
// LayoutContext
// temp values used during layout
//---------------------------------------------------------
struct LayoutContext {
Score* score { 0 };
bool startWithLongNames { true };
bool firstSystem { true };
Page* page { 0 };
int curPage { 0 }; // index in Score->page()s
Fraction tick { 0, 1 };
QList<System*> systemList; // reusable systems
std::set<Spanner*> processedSpanners;
System* prevSystem { 0 }; // used during page layout
System* curSystem { 0 };
MeasureBase* systemOldMeasure;
MeasureBase* pageOldMeasure;
bool rangeDone { false };
MeasureBase* prevMeasure { 0 };
MeasureBase* curMeasure { 0 };
MeasureBase* nextMeasure { 0 };
int measureNo { 0 };
Fraction startTick;
Fraction endTick;
LayoutContext() = default;
LayoutContext(const LayoutContext&) = delete;
LayoutContext& operator=(const LayoutContext&) = delete;
~LayoutContext();
void layoutLinear();
#if 0 // unused
void layoutMeasureLinear(MeasureBase*);
#endif
void layout();
int adjustMeasureNo(MeasureBase*);
void getNextPage();
void collectPage();
};
//---------------------------------------------------------
// VerticalAlignRange
//---------------------------------------------------------
enum class VerticalAlignRange {
SEGMENT, MEASURE, SYSTEM
};
extern bool isTopBeam(ChordRest* cr);
extern bool notTopBeam(ChordRest* cr);
extern bool isTopTuplet(ChordRest* cr);
extern bool notTopTuplet(ChordRest* cr);
} // namespace Ms
#endif
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