675 lines
23 KiB
C++
675 lines
23 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 __ELEMENT_H__
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#define __ELEMENT_H__
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#include "xml.h"
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#include "mscore.h"
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#include "property.h"
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#include "spatium.h"
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class QPainter;
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namespace Ms {
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/**
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\file
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Definition of classes Element, ElementList, StaffLines.
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*/
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class Xml;
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class Measure;
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class Staff;
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class Score;
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class Sym;
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class MuseScoreView;
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class Segment;
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class TextStyle;
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class Element;
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//---------------------------------------------------------
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// ElementFlag
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//---------------------------------------------------------
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enum ElementFlag {
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ELEMENT_DROP_TARGET = 0x2,
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ELEMENT_SELECTABLE = 0x4,
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ELEMENT_MOVABLE = 0x8,
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ELEMENT_SEGMENT = 0x10,
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ELEMENT_HAS_TAG = 0x20,
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ELEMENT_ON_STAFF = 0x40 // parent is Segment() type
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};
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typedef QFlags<ElementFlag> ElementFlags;
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Q_DECLARE_OPERATORS_FOR_FLAGS(ElementFlags)
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//---------------------------------------------------------
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/// \brief Unit of horizontal measure
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//---------------------------------------------------------
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class Space {
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qreal _lw; // space needed to the left
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qreal _rw; // space needed to the right
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public:
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Space() : _lw(0.0), _rw(0.0) {}
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Space(qreal a, qreal b) : _lw(a), _rw(b) {}
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qreal lw() const { return _lw; }
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qreal rw() const { return _rw; }
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qreal& rLw() { return _lw; }
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qreal& rRw() { return _rw; }
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qreal width() const { return _lw + _rw; }
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void setLw(qreal e) { _lw = e; }
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void setRw(qreal m) { _rw = m; }
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void max(const Space& s);
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Space& operator+=(const Space&);
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};
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//---------------------------------------------------------
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// LinkedElements
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//---------------------------------------------------------
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class LinkedElements : public QList<Element*> {
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int _lid; // unique id for every linked list
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public:
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LinkedElements(Score*);
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LinkedElements(Score*, int id);
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void setLid(Score*, int val);
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int lid() const { return _lid; }
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};
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//---------------------------------------------------------
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// DropData
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//---------------------------------------------------------
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struct DropData {
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MuseScoreView* view;
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QPointF pos;
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QPointF dragOffset;
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Element* element;
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Qt::KeyboardModifiers modifiers;
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Fraction duration;
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DropData();
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};
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//---------------------------------------------------------
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// EditData
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// used in editDrag
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//---------------------------------------------------------
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struct EditData {
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MuseScoreView* view;
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int curGrip;
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QPointF delta;
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QPointF pos;
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bool hRaster;
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bool vRaster;
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};
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//-------------------------------------------------------------------
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// @@ Element
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/// \brief Base class of score layout elements
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///
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/// The Element class is the virtual base class of all
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/// score layout elements.
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//
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// @P type ElementType element type, read only
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// @P parent Element* parent in drawing hierarchy
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// @P track int
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// @P color QColor foreground color
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// @P visible bool
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// @P generated bool generated by layout
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// @P selected bool
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// @P placement Placement ABOVE, BELOW
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// @P pos QPointF position relativ to parent
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// @P pagePos QPointF position in page coordinated, read only
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// @P userOff QPointF manual offset to layout position
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// @P bbox QRectF Bounding box relative to pos and userOff, read only
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//-------------------------------------------------------------------
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class Element : public QObject {
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Q_OBJECT
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Q_ENUMS(ElementType)
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Q_ENUMS(DynamicType)
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Q_ENUMS(Placement)
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public:
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//-------------------------------------------------------------------
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// The value of this enum determines the "stacking order"
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// of elements on the canvas.
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// Note: keep in sync with array elementNames[] in element.cpp
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//-------------------------------------------------------------------
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enum ElementType {
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INVALID = 0,
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SYMBOL,
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TEXT,
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INSTRUMENT_NAME,
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SLUR_SEGMENT,
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STAFF_LINES,
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BAR_LINE,
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STEM_SLASH,
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LINE,
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BRACKET,
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ARPEGGIO,
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ACCIDENTAL,
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STEM, // list STEM before NOTE: notes in TAB might 'break' stems
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NOTE, // and this requires stems to be drawn before notes
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CLEF,
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KEYSIG,
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TIMESIG,
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REST,
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BREATH,
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GLISSANDO,
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REPEAT_MEASURE,
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IMAGE,
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TIE,
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ARTICULATION,
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CHORDLINE,
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DYNAMIC,
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BEAM,
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HOOK,
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LYRICS,
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FIGURED_BASS,
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MARKER,
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JUMP,
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FINGERING,
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TUPLET,
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TEMPO_TEXT,
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STAFF_TEXT,
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REHEARSAL_MARK,
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INSTRUMENT_CHANGE,
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HARMONY,
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FRET_DIAGRAM,
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BEND,
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TREMOLOBAR,
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VOLTA,
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HAIRPIN_SEGMENT,
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OTTAVA_SEGMENT,
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TRILL_SEGMENT,
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TEXTLINE_SEGMENT,
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VOLTA_SEGMENT,
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PEDAL_SEGMENT,
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LAYOUT_BREAK,
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SPACER,
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STAFF_STATE,
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LEDGER_LINE,
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NOTEHEAD,
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NOTEDOT,
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TREMOLO,
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MEASURE,
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SELECTION,
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LASSO,
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SHADOW_NOTE,
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RUBBERBAND,
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TAB_DURATION_SYMBOL,
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FSYMBOL,
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PAGE,
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HAIRPIN,
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OTTAVA,
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PEDAL,
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TRILL,
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TEXTLINE,
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NOTELINE,
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SEGMENT,
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SYSTEM,
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COMPOUND,
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CHORD,
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SLUR,
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ELEMENT,
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ELEMENT_LIST,
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STAFF_LIST,
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MEASURE_LIST,
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LAYOUT,
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HBOX,
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VBOX,
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TBOX,
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FBOX,
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ACCIDENTAL_BRACKET,
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ICON,
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OSSIA,
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MAXTYPE
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};
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//---------------------------------------------------------
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// DynamicRange
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//---------------------------------------------------------
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enum DynamicRange {
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DYNAMIC_STAFF, DYNAMIC_PART, DYNAMIC_SYSTEM
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};
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enum Placement { ABOVE, BELOW };
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private:
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Q_PROPERTY(ElementType type READ type)
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Q_PROPERTY(Element* parent READ parent WRITE setParent)
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Q_PROPERTY(int track READ track WRITE setTrack)
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Q_PROPERTY(QColor color READ color WRITE undoSetColor)
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Q_PROPERTY(bool selected READ selected WRITE setSelected)
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Q_PROPERTY(bool generated READ generated WRITE setGenerated)
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Q_PROPERTY(bool visible READ visible WRITE setVisible)
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Q_PROPERTY(Placement placement READ placement WRITE undoSetPlacement)
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Q_PROPERTY(QPointF pos READ scriptPos WRITE scriptSetPos)
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Q_PROPERTY(QPointF pagePos READ pagePos)
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Q_PROPERTY(QPointF userOff READ scriptUserOff WRITE scriptSetUserOff)
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Q_PROPERTY(QRectF bbox READ bbox )
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LinkedElements* _links;
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Element* _parent;
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bool _selected; ///< set if element is selected
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bool _generated; ///< automatically generated Element
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bool _visible; ///< visibility attribute
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Placement _placement;
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mutable ElementFlags _flags;
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int _track; ///< staffIdx * VOICES + voice
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QColor _color;
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qreal _mag; ///< standard magnification (derived value)
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QPointF _pos; ///< Reference position, relative to _parent.
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QPointF _userOff; ///< offset from normal layout position:
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///< user dragged object this amount.
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QPointF _readPos;
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mutable QRectF _bbox; ///< Bounding box relative to _pos + _userOff
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///< valid after call to layout()
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uint _tag; ///< tag bitmask
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protected:
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Score* _score;
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QPointF _startDragPosition; ///< used during drag
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public:
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Element(Score* s = 0);
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Element(const Element&);
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virtual ~Element();
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Element &operator=(const Element&);
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Q_INVOKABLE virtual Ms::Element* clone() const = 0;
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virtual Element* linkedClone();
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QList<Element*> linkList() const;
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void linkTo(Element*);
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int lid() const { return _links ? _links->lid() : 0; }
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LinkedElements* links() const { return _links; }
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void setLinks(LinkedElements* le) { _links = le; }
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Score* score() const { return _score; }
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virtual void setScore(Score* s) { _score = s; }
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Element* parent() const { return _parent; }
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void setParent(Element* e) { _parent = e; }
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// Element* parentChordRest();
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Element* findMeasure();
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qreal spatium() const;
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bool selected() const { return _selected; }
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virtual void setSelected(bool f) { _selected = f; }
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bool visible() const { return _visible; }
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virtual void setVisible(bool f) { _visible = f; }
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Placement placement() const { return _placement; }
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void setPlacement(Placement val) { _placement = val; }
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void undoSetPlacement(Placement val);
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bool generated() const { return _generated; }
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void setGenerated(bool val) { _generated = val; }
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const QPointF& ipos() const { return _pos; }
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virtual const QPointF pos() const { return _pos + _userOff; }
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virtual qreal x() const { return _pos.x() + _userOff.x(); }
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virtual qreal y() const { return _pos.y() + _userOff.y(); }
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void setPos(qreal x, qreal y) { _pos.rx() = x, _pos.ry() = y; }
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void setPos(const QPointF& p) { _pos = p; }
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qreal& rxpos() { return _pos.rx(); }
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qreal& rypos() { return _pos.ry(); }
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virtual void move(qreal xd, qreal yd) { _pos += QPointF(xd, yd); }
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virtual void move(const QPointF& s) { _pos += s; }
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virtual QPointF pagePos() const; ///< position in page coordinates
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virtual QPointF canvasPos() const; ///< position in canvas coordinates
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qreal pageX() const;
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qreal canvasX() const;
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const QPointF& userOff() const { return _userOff; }
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void setUserOff(const QPointF& o) { _userOff = o; }
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void setUserXoffset(qreal v) { _userOff.setX(v); }
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void setUserYoffset(qreal v) { _userOff.setY(v); }
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qreal& rUserXoffset() { return _userOff.rx(); }
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qreal& rUserYoffset() { return _userOff.ry(); }
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// function versions for scripts: use coords in spatium units rather than raster
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// and route pos changes to userOff
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virtual QPointF scriptPos() const;
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void scriptSetPos(const QPointF& p);
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QPointF scriptUserOff() const;
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void scriptSetUserOff(const QPointF& o);
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bool isNudged() const { return !(_readPos.isNull() && _userOff.isNull()); }
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const QPointF& readPos() const { return _readPos; }
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void setReadPos(const QPointF& p) { _readPos = p; }
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virtual void adjustReadPos();
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virtual const QRectF& bbox() const { return _bbox; }
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virtual QRectF& bbox() { return _bbox; }
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virtual qreal height() const { return bbox().height(); }
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virtual void setHeight(qreal v) { _bbox.setHeight(v); }
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virtual qreal width() const { return bbox().width(); }
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virtual void setWidth(qreal v) { _bbox.setWidth(v); }
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QRectF abbox() const { return bbox().translated(pagePos()); }
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QRectF pageBoundingRect() const { return bbox().translated(pagePos()); }
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QRectF canvasBoundingRect() const { return bbox().translated(canvasPos()); }
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virtual void setbbox(const QRectF& r) const { _bbox = r; }
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virtual void addbbox(const QRectF& r) const { _bbox |= r; }
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virtual bool contains(const QPointF& p) const;
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bool intersects(const QRectF& r) const;
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virtual QPainterPath shape() const;
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virtual qreal baseLine() const { return -height(); }
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virtual ElementType type() const = 0;
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virtual int subType() const { return type(); } // for select gui
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bool isChordRest() const;
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bool isDurationElement() const;
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bool isSLine() const;
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virtual void draw(QPainter*) const {}
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void writeProperty(Xml& xml, P_ID id) const;
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void writeProperties(Xml& xml) const;
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bool readProperties(XmlReader&);
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virtual void write(Xml&) const;
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virtual void read(XmlReader&);
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virtual QRectF drag(const EditData&);
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virtual void endDrag() {}
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virtual QLineF dragAnchor() const { return QLineF(); }
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virtual bool isEditable() const { return !_generated; }
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virtual void startEdit(MuseScoreView*, const QPointF&);
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virtual bool edit(MuseScoreView*, int grip, int key, Qt::KeyboardModifiers, const QString& s);
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virtual void editDrag(const EditData&);
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virtual void endEditDrag() {}
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virtual void endEdit() {}
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virtual void updateGrips(int* grips, QRectF*) const { *grips = 0; }
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virtual QPointF gripAnchor(int) const { return QPointF(); }
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virtual void setGrip(int, const QPointF&);
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virtual QPointF getGrip(int) const;
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int track() const { return _track; }
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virtual void setTrack(int val) { _track = val; }
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virtual int z() const { return type() * 100; } // stacking order
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int staffIdx() const { return _track >> 2; }
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int voice() const { return _track & 3; }
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void setVoice(int v) { _track = (_track / VOICES) + v; }
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Staff* staff() const;
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virtual void add(Element*);
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virtual void remove(Element*);
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virtual void change(Element* o, Element* n);
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virtual void layout() {}
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virtual void spatiumChanged(qreal /*oldValue*/, qreal /*newValue*/);
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// debug functions
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virtual void dump() const;
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Q_INVOKABLE const char* name() const;
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virtual QString userName() const;
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void dumpQPointF(const char*) const;
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virtual Space space() const { return Space(0.0, width()); }
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QColor color() const { return _color; }
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QColor curColor() const;
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void setColor(const QColor& c) { _color = c; }
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void undoSetColor(const QColor& c);
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static ElementType readType(XmlReader& node, QPointF*, Fraction*);
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QByteArray mimeData(const QPointF&) const;
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/**
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Return true if this element accepts a drop at canvas relative \a pos
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of given element \a type and \a subtype.
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Reimplemented by elements that accept drops. Used to change cursor shape while
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dragging to indicate drop targets.
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*/
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virtual bool acceptDrop(MuseScoreView*, const QPointF&, Element*) const { return false; }
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/**
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Handle a dropped element at canvas relative \a pos of given element
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\a type and \a subtype. Returns dropped element if any.
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The ownership of element in DropData is transfered to the called
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element (if not used, element has to be deleted).
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The returned element will be selected if not in note edit mode.
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Reimplemented by elements that accept drops.
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*/
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virtual Element* drop(const DropData&) { return 0;}
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/**
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delivers mouseEvent to element in edit mode
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returns true if mouse event is accepted by element
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*/
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virtual bool mousePress(const QPointF&, QMouseEvent*) { return false; }
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mutable int itemDiscovered; ///< helper flag for bsp
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virtual void scanElements(void* data, void (*func)(void*, Element*), bool all=true);
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virtual void reset();
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virtual qreal mag() const { return _mag; }
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qreal magS() const;
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virtual void setMag(qreal val) { _mag = val; }
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bool isText() const;
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qreal point(const Spatium sp) const { return sp.val() * spatium(); }
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//
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// check element for consistency; return false if element
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// is not valid
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//
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virtual bool check() const { return true; }
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QPointF startDragPosition() const { return _startDragPosition; }
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void setStartDragPosition(const QPointF& v) { _startDragPosition = v; }
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static const char* name(ElementType type);
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Q_INVOKABLE static Ms::Element* create(Ms::Element::ElementType type, Score*);
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static ElementType name2type(const QStringRef&);
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static Element* name2Element(const QStringRef&, Score*);
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void setFlag(ElementFlag f, bool v) {
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if (v)
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_flags |= f;
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else
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_flags &= ~f;
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}
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bool flag(ElementFlag f) const { return _flags & f; }
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void setFlags(ElementFlags f) { _flags = f; }
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ElementFlags flags() const { return _flags; }
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virtual bool systemFlag() const { return false; }
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bool selectable() const { return flag(ELEMENT_SELECTABLE); }
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void setSelectable(bool val) { setFlag(ELEMENT_SELECTABLE, val); }
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bool dropTarget() const { return flag(ELEMENT_DROP_TARGET); }
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void setDropTarget(bool v) const {
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if (v)
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_flags |= ELEMENT_DROP_TARGET;
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else
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_flags &= ~ELEMENT_DROP_TARGET;
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}
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virtual bool isMovable() const { return flag(ELEMENT_MOVABLE); }
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bool isSegment() const { return flag(ELEMENT_SEGMENT); }
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uint tag() const { return _tag; }
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void setTag(uint val) { _tag = val; }
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virtual QVariant getProperty(P_ID) const;
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virtual bool setProperty(P_ID, const QVariant&);
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virtual QVariant propertyDefault(P_ID) const;
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void undoChangeProperty(P_ID, const QVariant&);
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void undoPushProperty(P_ID);
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};
|
|
|
|
//---------------------------------------------------------
|
|
// ElementList
|
|
//---------------------------------------------------------
|
|
|
|
// class ElementList : public std::list<Element*> {
|
|
class ElementList : public QList<Element*> {
|
|
public:
|
|
ElementList() {}
|
|
bool remove(Element*);
|
|
void replace(Element* old, Element* n);
|
|
void write(Xml&) const;
|
|
void write(Xml&, const char* name) const;
|
|
};
|
|
|
|
//-------------------------------------------------------------------
|
|
// @@ StaffLines
|
|
/// The StaffLines class is the graphic representation of a staff,
|
|
/// it draws the horizontal staff lines.
|
|
//-------------------------------------------------------------------
|
|
|
|
class StaffLines : public Element {
|
|
Q_OBJECT
|
|
|
|
qreal dist;
|
|
qreal lw;
|
|
int lines;
|
|
|
|
public:
|
|
StaffLines(Score*);
|
|
virtual StaffLines* clone() const { return new StaffLines(*this); }
|
|
virtual ElementType type() const { return ElementType(STAFF_LINES); }
|
|
virtual void layout();
|
|
|
|
Measure* measure() const { return (Measure*)parent(); }
|
|
virtual void draw(QPainter*) const;
|
|
virtual QPointF pagePos() const; ///< position in page coordinates
|
|
virtual QPointF canvasPos() const; ///< position in page coordinates
|
|
qreal y1() const;
|
|
qreal staffHeight() const { return (lines-1) * dist; }
|
|
};
|
|
|
|
//---------------------------------------------------------
|
|
// @@ Line
|
|
//---------------------------------------------------------
|
|
|
|
class Line : public Element {
|
|
Q_OBJECT
|
|
|
|
Spatium _width;
|
|
Spatium _len;
|
|
int _z; ///< stacking order when drawing or selecting;
|
|
///< elements are drawn from high number to low number;
|
|
///< default is type() * 100;
|
|
|
|
protected:
|
|
bool vertical;
|
|
|
|
public:
|
|
Line(Score*);
|
|
Line(Score*, bool vertical);
|
|
Line &operator=(const Line&);
|
|
|
|
virtual Line* clone() const { return new Line(*this); }
|
|
virtual ElementType type() const { return ElementType(LINE); }
|
|
virtual void layout();
|
|
|
|
virtual void draw(QPainter*) const;
|
|
void writeProperties(Xml& xml) const;
|
|
bool readProperties(XmlReader&);
|
|
void dump() const;
|
|
|
|
Spatium len() const { return _len; }
|
|
Spatium lineWidth() const { return _width; }
|
|
void setLen(Spatium);
|
|
void setLineWidth(Spatium);
|
|
virtual int z() const { return _z; }
|
|
void setZ(int val) { _z = val; }
|
|
};
|
|
|
|
//---------------------------------------------------------
|
|
// @@ Compound
|
|
//---------------------------------------------------------
|
|
|
|
class Compound : public Element {
|
|
Q_OBJECT
|
|
|
|
QList<Element*> elemente;
|
|
|
|
protected:
|
|
const QList<Element*>& getElemente() const { return elemente; }
|
|
|
|
public:
|
|
Compound(Score*);
|
|
Compound(const Compound&);
|
|
virtual ElementType type() const = 0;
|
|
|
|
virtual void draw(QPainter*) const;
|
|
virtual void addElement(Element*, qreal x, qreal y);
|
|
void clear();
|
|
virtual void setSelected(bool f);
|
|
virtual void setVisible(bool);
|
|
virtual void layout();
|
|
};
|
|
|
|
//---------------------------------------------------------
|
|
// @@ RubberBand
|
|
//---------------------------------------------------------
|
|
|
|
class RubberBand : public Element {
|
|
Q_OBJECT
|
|
|
|
QPointF _p1, _p2;
|
|
|
|
public:
|
|
RubberBand(Score* s) : Element(s) {}
|
|
virtual RubberBand* clone() const { return new RubberBand(*this); }
|
|
virtual ElementType type() const { return ElementType(RUBBERBAND); }
|
|
virtual void draw(QPainter*) const;
|
|
|
|
void set(const QPointF& p1, const QPointF& p2) { _p1 = p1; _p2 = p2; }
|
|
QPointF p1() const { return _p1; }
|
|
QPointF p2() const { return _p2; }
|
|
};
|
|
|
|
extern bool elementLessThan(const Element* const, const Element* const);
|
|
extern void collectElements(void* data, Element* e);
|
|
|
|
|
|
} // namespace Ms
|
|
|
|
Q_DECLARE_METATYPE(Ms::Element::ElementType)
|
|
Q_DECLARE_METATYPE(Ms::Element::DynamicRange)
|
|
Q_DECLARE_METATYPE(Ms::Element::Placement)
|
|
|
|
#endif
|
|
|