712 lines
27 KiB
C++
712 lines
27 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2002-2013 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 "mscore.h"
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#include "spatium.h"
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#include "fraction.h"
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#include "scoreElement.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 Part;
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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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enum class SymId;
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//---------------------------------------------------------
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// Grip
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//---------------------------------------------------------
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enum class Grip : signed char {
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NO_GRIP = -1,
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START = 0, END = 1, // arpeggio etc.
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MIDDLE = 2, APERTURE = 3, // Line
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/*START, END , */
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BEZIER1 = 2, SHOULDER = 3, BEZIER2 = 4, DRAG = 5, // Slur
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GRIPS = 6 // number of grips for slur
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};
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//---------------------------------------------------------
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// ElementFlag
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//---------------------------------------------------------
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enum class ElementFlag : char {
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DROP_TARGET = 0x2,
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SELECTABLE = 0x4,
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MOVABLE = 0x8,
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SEGMENT = 0x10,
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HAS_TAG = 0x20,
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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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// represent the space used by a Segment
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//---------------------------------------------------------
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class Space {
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qreal _lw { 0.0 }; // space needed to the left
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qreal _rw { 0.0 }; // space needed to the right
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public:
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Space() {}
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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 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 addL(qreal v) { _lw += v; }
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void addR(qreal v) { _rw += v; }
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void max(const Space& s);
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Space& operator+=(const Space& s) {
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_lw += s._lw;
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_rw += s._rw;
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return *this;
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}
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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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Grip curGrip;
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QPointF startMove;
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QPointF pos;
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QPointF lastPos;
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QPointF delta;
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bool hRaster;
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bool vRaster;
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};
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//---------------------------------------------------------
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// ElementName
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//---------------------------------------------------------
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struct ElementName {
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const char* name;
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const char* userName;
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ElementName(const char* _name, const char* _userName) : name(_name), userName(_userName) {}
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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 bbox rect bounding box relative to pos and userOff (read only)
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// @P color color element drawing color
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// @P generated bool true if the element has been generated by layout
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// @P pagePos point position in page coordinated (read only)
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// @P parent Element the parent element in drawing hierarchy
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// @P placement enum (Element.ABOVE, Element.BELOW)
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// @P pos point position relative to parent
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// @P selected bool true if the element is currently selected
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// @P track int the track the elment belongs to
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// @P type enum (Element.ACCIDENTAL, .ACCIDENTAL, .AMBITUS, .ARPEGGIO, .BAGPIPE_EMBELLISHMENT, .BAR_LINE, .BEAM, .BEND, .BRACKET, .BREATH, .CHORD, .CHORDLINE, .CLEF, .COMPOUND, .DYNAMIC, .ELEMENT, .ELEMENT_LIST, .FBOX, .FIGURED_BASS, .FINGERING, .FRET_DIAGRAM, .FSYMBOL, .GLISSANDO, .GLISSANDO_SEGMENT, .HAIRPIN, .HAIRPIN_SEGMENT, .HARMONY, .HBOX, .HOOK, .ICON, .IMAGE, .INSTRUMENT_CHANGE, .INSTRUMENT_NAME, .JUMP, .KEYSIG, .LASSO, .LAYOUT_BREAK, .LEDGER_LINE, .LINE, .LYRICS, .LYRICSLINE, .LYRICSLINE_SEGMENT, .MARKER, .MEASURE, .MEASURE_LIST, .NOTE, .NOTEDOT, .NOTEHEAD, .NOTELINE, .OSSIA, .OTTAVA, .OTTAVA_SEGMENT, .PAGE, .PEDAL, .PEDAL_SEGMENT, .REHEARSAL_MARK, .REPEAT_MEASURE, .REST, .SEGMENT, .SELECTION, .SHADOW_NOTE, .SLUR, .SLUR_SEGMENT, .SPACER, .STAFF_LINES, .STAFF_LIST, .STAFF_STATE, .STAFF_TEXT, .STEM, .STEM_SLASH, .SYMBOL, .SYSTEM, .TAB_DURATION_SYMBOL, .TBOX, .TEMPO_TEXT, .TEXT, .TEXTLINE, .TEXTLINE_SEGMENT, .TIE, .TIMESIG, .TREMOLO, .TREMOLOBAR, .TRILL, .TRILL_SEGMENT, .TUPLET, .VBOX, .VOLTA, .VOLTA_SEGMENT) (read only)
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// @P userOff point manual offset to position determined by layout
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// @P visible bool
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//-------------------------------------------------------------------
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class Element : public QObject, public ScoreElement {
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Q_OBJECT
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Q_ENUMS(Type)
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Q_ENUMS(Placement)
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Q_PROPERTY(QRectF bbox READ scriptBbox )
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Q_PROPERTY(QColor color READ color WRITE undoSetColor)
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Q_PROPERTY(bool generated READ generated WRITE setGenerated)
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Q_PROPERTY(QPointF pagePos READ scriptPagePos)
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Q_PROPERTY(Ms::Element* parent READ parent WRITE setParent)
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Q_PROPERTY(Ms::Element::Placement placement READ placement WRITE undoSetPlacement)
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Q_PROPERTY(QPointF pos READ scriptPos WRITE scriptSetPos)
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Q_PROPERTY(bool selected READ selected WRITE setSelected)
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Q_PROPERTY(qreal spatium READ spatium)
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Q_PROPERTY(int track READ track WRITE setTrack)
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Q_PROPERTY(Ms::Element::Type type READ type)
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Q_PROPERTY(QPointF userOff READ scriptUserOff WRITE scriptSetUserOff)
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Q_PROPERTY(bool visible READ visible WRITE undoSetVisible)
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Element* _parent { 0 };
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bool _generated; ///< automatically generated Element
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protected:
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bool _selected; ///< set if element is selected
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bool _visible; ///< visibility attribute
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QColor _color; ///< element color attribute
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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 class Type : char {
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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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SYSTEM_DIVIDER,
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STEM_SLASH,
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LINE,
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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, // elements from CLEF to TIMESIG need to be in the order
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KEYSIG, // in which they appear in a measure
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AMBITUS,
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TIMESIG,
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REST,
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BREATH,
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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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LYRICSLINE_SEGMENT,
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GLISSANDO_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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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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LYRICSLINE,
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GLISSANDO,
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BRACKET,
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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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HBOX,
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VBOX,
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TBOX,
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FBOX,
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ICON,
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OSSIA,
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BAGPIPE_EMBELLISHMENT,
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MAXTYPE
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};
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enum class Placement : char {
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ABOVE, BELOW
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};
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private:
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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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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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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&) = delete;
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//@ create a copy of the element
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Q_INVOKABLE virtual Ms::Element* clone() const = 0;
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virtual Element* linkedClone();
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Element* parent() const { return _parent; }
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void setParent(Element* e) { _parent = e; }
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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(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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virtual 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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QRectF scriptBbox() const;
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virtual QPointF scriptPagePos() const;
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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 Element::Type type() const = 0;
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virtual int subtype() const { return -1; } // for select gui
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bool isRest() const { return type() == Element::Type::REST; }
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bool isChord() const { return type() == Element::Type::CHORD; }
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bool isMeasure() const { return type() == Element::Type::MEASURE; }
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bool isChordRest() const { return type() == Element::Type::REST || type() == Element::Type::CHORD || type() == Element::Type::REPEAT_MEASURE; }
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bool isDurationElement() const { return isChordRest() || (type() == Element::Type::TUPLET); }
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bool isSLine() const;
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bool isSLineSegment() const;
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virtual void draw(QPainter*) const {}
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virtual void writeProperties(Xml& xml) const;
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virtual 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(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*, 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(Grip*, QVector<QRectF>&) const { }
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virtual bool nextGrip(Grip*) const;
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virtual int grips() const { return 0; }
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virtual bool prevGrip(Grip*) const;
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virtual QPointF gripAnchor(Grip) const { return QPointF(); }
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virtual void setGrip(Grip, const QPointF&);
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virtual QPointF getGrip(Grip) 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 int(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) * VOICES + v; }
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Staff* staff() const;
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Part* part() 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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virtual void localSpatiumChanged(qreal /*oldValue*/, qreal /*newValue*/);
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// debug functions
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virtual void dump() const;
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const char* name() const;
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virtual Q_INVOKABLE QString subtypeName() const;
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//@ Returns the human-readable name of the element type
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virtual Q_INVOKABLE QString userName() const;
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//@ Returns the name of the element type
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virtual Q_INVOKABLE QString _name() const { return QString(name()); }
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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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virtual QColor color() const { return _color; }
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QColor curColor() const;
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QColor curColor(const Element* proxy) const;
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virtual void setColor(const QColor& c) { _color = c; }
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void undoSetColor(const QColor& c);
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void undoSetVisible(bool v);
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static Element::Type 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(const DropData&) 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; }
|
|
|
|
mutable bool itemDiscovered; ///< helper flag for bsp
|
|
|
|
virtual void scanElements(void* data, void (*func)(void*, Element*), bool all=true);
|
|
|
|
virtual void reset();
|
|
|
|
virtual qreal mag() const { return _mag; }
|
|
void setMag(qreal val) { _mag = val; }
|
|
qreal magS() const;
|
|
|
|
bool isText() const;
|
|
bool isPrintable() const;
|
|
virtual bool isSpanner() const { return false; }
|
|
virtual bool isSpannerSegment() const { return false; }
|
|
|
|
qreal point(const Spatium sp) const { return sp.val() * spatium(); }
|
|
|
|
//
|
|
// check element for consistency; return false if element
|
|
// is not valid
|
|
//
|
|
virtual bool check() const { return true; }
|
|
|
|
QPointF startDragPosition() const { return _startDragPosition; }
|
|
void setStartDragPosition(const QPointF& v) { _startDragPosition = v; }
|
|
|
|
static const char* name(Element::Type type);
|
|
static Ms::Element* create(Ms::Element::Type type, Score*);
|
|
static Element::Type name2type(const QStringRef&);
|
|
static Element* name2Element(const QStringRef&, Score*);
|
|
|
|
void setFlag(ElementFlag f, bool v) {
|
|
if (v)
|
|
_flags |= f;
|
|
else
|
|
_flags &= ~ElementFlags(f);
|
|
}
|
|
bool flag(ElementFlag f) const { return _flags & f; }
|
|
void setFlags(ElementFlags f) { _flags = f; }
|
|
ElementFlags flags() const { return _flags; }
|
|
virtual bool systemFlag() const { return false; }
|
|
bool selectable() const { return flag(ElementFlag::SELECTABLE); }
|
|
void setSelectable(bool val) { setFlag(ElementFlag::SELECTABLE, val); }
|
|
bool dropTarget() const { return flag(ElementFlag::DROP_TARGET); }
|
|
void setDropTarget(bool v) const {
|
|
if (v)
|
|
_flags |= ElementFlag::DROP_TARGET;
|
|
else
|
|
_flags &= ~ElementFlags(ElementFlag::DROP_TARGET);
|
|
}
|
|
virtual bool isMovable() const { return flag(ElementFlag::MOVABLE); }
|
|
bool isSegment() const { return flag(ElementFlag::SEGMENT); }
|
|
uint tag() const { return _tag; }
|
|
void setTag(uint val) { _tag = val; }
|
|
|
|
virtual QVariant getProperty(P_ID) const override;
|
|
virtual bool setProperty(P_ID, const QVariant&) override;
|
|
virtual QVariant propertyDefault(P_ID) const override;
|
|
|
|
virtual void styleChanged() {}
|
|
|
|
void drawSymbol(SymId id, QPainter* p, const QPointF& o = QPointF()) const;
|
|
void drawSymbol(SymId id, QPainter* p, const QPointF& o, int n) const;
|
|
void drawSymbols(const QList<SymId>&, QPainter* p, const QPointF& o = QPointF()) const;
|
|
qreal symHeight(SymId id) const;
|
|
qreal symWidth(SymId id) const;
|
|
qreal symWidth(const QList<SymId>&) const;
|
|
QRectF symBbox(SymId id) const;
|
|
QRectF symBbox(const QList<SymId>&) const;
|
|
QPointF symStemDownNW(SymId id) const;
|
|
QPointF symStemUpSE(SymId id) const;
|
|
QPointF symCutOutNE(SymId id) const;
|
|
QPointF symCutOutNW(SymId id) const;
|
|
QPointF symCutOutSE(SymId id) const;
|
|
QPointF symCutOutSW(SymId id) const;
|
|
qreal symAdvance(SymId id) const;
|
|
QList<SymId> toTimeSigString(const QString& s) const;
|
|
bool symIsValid(SymId id) const;
|
|
|
|
virtual Element* nextElement(); //< Used for navigation
|
|
virtual Element* prevElement(); //< next-element and prev-element command
|
|
|
|
bool concertPitch() const;
|
|
virtual QString accessibleInfo(); //< used to populate the status bar
|
|
virtual QString screenReaderInfo() { return accessibleInfo(); } //< by default returns accessibleInfo, but can be overriden
|
|
// if the screen-reader needs a special string (see note for example)
|
|
virtual QString accessibleExtraInfo() { return QString(); } //< used to return info that will be appended to accessibleInfo
|
|
// and passed only to the screen-reader
|
|
|
|
virtual bool isUserModified() const;
|
|
};
|
|
|
|
//---------------------------------------------------------
|
|
// 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 Element::Type type() const { return Element::Type::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 Element::Type type() const { return Element::Type::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*> elements;
|
|
|
|
protected:
|
|
const QList<Element*>& getElements() const { return elements; }
|
|
|
|
public:
|
|
Compound(Score*);
|
|
Compound(const Compound&);
|
|
virtual Element::Type 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();
|
|
};
|
|
|
|
extern bool elementLessThan(const Element* const, const Element* const);
|
|
extern void collectElements(void* data, Element* e);
|
|
|
|
|
|
} // namespace Ms
|
|
|
|
|
|
|
|
Q_DECLARE_METATYPE(Ms::Element::Type);
|
|
Q_DECLARE_METATYPE(Ms::Element::Placement);
|
|
|
|
#endif
|
|
|