433 lines
14 KiB
C++
433 lines
14 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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#include "arpeggio.h"
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#include "sym.h"
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#include "chord.h"
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#include "note.h"
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#include "score.h"
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#include "staff.h"
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#include "part.h"
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#include "segment.h"
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#include "property.h"
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#include "xml.h"
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namespace Ms {
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//---------------------------------------------------------
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// Arpeggio
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//---------------------------------------------------------
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Arpeggio::Arpeggio(Score* s)
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: Element(s)
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{
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setFlags(ElementFlag::MOVABLE | ElementFlag::SELECTABLE);
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_arpeggioType = ArpeggioType::NORMAL;
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setHeight(spatium() * 4); // for use in palettes
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_span = 1;
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_userLen1 = 0.0;
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_userLen2 = 0.0;
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}
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//---------------------------------------------------------
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// setHeight
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//---------------------------------------------------------
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void Arpeggio::setHeight(qreal h)
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{
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_height = h;
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}
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//---------------------------------------------------------
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// write
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//---------------------------------------------------------
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void Arpeggio::write(Xml& xml) const
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{
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if (!xml.canWrite(this)) return;
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xml.stag("Arpeggio");
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Element::writeProperties(xml);
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xml.tag("subtype", int(_arpeggioType));
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if (_userLen1 != 0.0)
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xml.tag("userLen1", _userLen1 / spatium());
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if (_userLen2 != 0.0)
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xml.tag("userLen2", _userLen2 / spatium());
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if (_span != 1)
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xml.tag("span", _span);
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xml.etag();
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}
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//---------------------------------------------------------
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// read
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//---------------------------------------------------------
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void Arpeggio::read(XmlReader& e)
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{
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while (e.readNextStartElement()) {
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const QStringRef& tag(e.name());
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if (tag == "subtype")
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_arpeggioType = ArpeggioType(e.readInt());
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else if (tag == "userLen1")
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_userLen1 = e.readDouble() * spatium();
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else if (tag == "userLen2")
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_userLen2 = e.readDouble() * spatium();
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else if (tag == "span")
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_span = e.readInt();
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else if (!Element::readProperties(e))
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e.unknown();
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}
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}
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//---------------------------------------------------------
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// symbolLine
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// construct a string of symbols aproximating width w
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//---------------------------------------------------------
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void Arpeggio::symbolLine(SymId end, SymId fill)
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{
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qreal y1 = -_userLen1;
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qreal y2 = _height + _userLen2;
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qreal w = y2 - y1;
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qreal mag = magS();
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ScoreFont* f = score()->scoreFont();
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const QString& fillString = f->toString(fill);
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symbols.clear();
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symbols.append(f->toString(end));
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qreal w1 = f->bbox(end, mag).width();
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qreal w2 = f->width(fill, mag);
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int n = lrint((w - w1) / w2);
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for (int i = 0; i < n; ++i)
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symbols.prepend(fillString);
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}
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//---------------------------------------------------------
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// layout
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//---------------------------------------------------------
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void Arpeggio::layout()
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{
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qreal y1 = -_userLen1;
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qreal y2 = _height + _userLen2;
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switch (arpeggioType()) {
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case ArpeggioType::NORMAL: {
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symbolLine(SymId::wiggleArpeggiatoUp, SymId::wiggleArpeggiatoUp);
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// string is rotated -90 degrees
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QRectF r(symBbox(symbols));
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setbbox(QRectF(0.0, -r.x() + y1, r.height(), r.width()));
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}
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break;
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case ArpeggioType::UP: {
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symbolLine(SymId::wiggleArpeggiatoUpArrow, SymId::wiggleArpeggiatoUp);
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// string is rotated -90 degrees
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QRectF r(symBbox(symbols));
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setbbox(QRectF(0.0, -r.x() + y1, r.height(), r.width()));
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}
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break;
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case ArpeggioType::DOWN: {
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symbolLine(SymId::wiggleArpeggiatoDownArrow, SymId::wiggleArpeggiatoDown);
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// string is rotated +90 degrees
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QRectF r(symBbox(symbols));
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setbbox(QRectF(0.0, r.x() + y1, r.height(), r.width()));
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}
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break;
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case ArpeggioType::UP_STRAIGHT: {
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qreal _spatium = spatium();
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qreal x1 = _spatium * .5;
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qreal w = symBbox(SymId::arrowheadBlackUp).width();
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qreal lw = score()->styleS(StyleIdx::ArpeggioLineWidth).val() * _spatium;
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setbbox(QRectF(x1 - w * .5, y1, w, y2 - y1 + lw * .5));
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}
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break;
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case ArpeggioType::DOWN_STRAIGHT: {
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qreal _spatium = spatium();
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qreal x1 = _spatium * .5;
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qreal w = symBbox(SymId::arrowheadBlackDown).width();
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qreal lw = score()->styleS(StyleIdx::ArpeggioLineWidth).val() * _spatium;
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setbbox(QRectF(x1 - w * .5, y1 - lw * .5, w, y2 - y1 + lw * .5));
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}
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break;
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case ArpeggioType::BRACKET: {
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qreal _spatium = spatium();
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qreal lw = score()->styleS(StyleIdx::ArpeggioLineWidth).val() * _spatium * .5;
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qreal w = score()->styleS(StyleIdx::ArpeggioHookLen).val() * _spatium;
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setbbox(QRectF(0.0, y1, w, y2-y1).adjusted(-lw, -lw, lw, lw));
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break;
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}
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}
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}
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//---------------------------------------------------------
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// draw
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//---------------------------------------------------------
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void Arpeggio::draw(QPainter* p) const
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{
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qreal _spatium = spatium();
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p->setPen(curColor());
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qreal y1 = -_userLen1;
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qreal y2 = _height + _userLen2;
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p->setPen(QPen(curColor(),
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score()->styleS(StyleIdx::ArpeggioLineWidth).val() * _spatium,
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Qt::SolidLine, Qt::RoundCap));
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switch (arpeggioType()) {
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case ArpeggioType::NORMAL:
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case ArpeggioType::UP:
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{
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QRectF r(symBbox(symbols));
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p->rotate(-90.0);
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drawSymbols(symbols, p, QPointF(-r.right() - y1, -r.bottom() + r.height()));
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p->rotate(90.0);
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}
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break;
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case ArpeggioType::DOWN:
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{
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QRectF r(symBbox(symbols));
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p->rotate(90.0);
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drawSymbols(symbols, p, QPointF(-r.left() + y1, -r.top() - r.height()));
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p->rotate(-90.0);
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}
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break;
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case ArpeggioType::UP_STRAIGHT:
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{
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QRectF r(symBbox(SymId::arrowheadBlackUp));
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qreal x1 = _spatium * .5;
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drawSymbol(SymId::arrowheadBlackUp, p, QPointF(x1 - r.width() * .5, y1 - r.top()));
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y1 -= r.top() * .5;
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p->drawLine(QLineF(x1, y1, x1, y2));
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}
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break;
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case ArpeggioType::DOWN_STRAIGHT:
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{
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QRectF r(symBbox(SymId::arrowheadBlackDown));
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qreal x1 = _spatium * .5;
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drawSymbol(SymId::arrowheadBlackDown, p, QPointF(x1 - r.width() * .5, y2 - r.bottom()));
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y2 += r.top() * .5;
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p->drawLine(QLineF(x1, y1, x1, y2));
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}
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break;
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case ArpeggioType::BRACKET:
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{
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qreal w = score()->styleS(StyleIdx::ArpeggioHookLen).val() * _spatium;
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p->drawLine(QLineF(0.0, y1, 0.0, y2));
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p->drawLine(QLineF(0.0, y1, w, y1));
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p->drawLine(QLineF(0.0, y2, w, y2));
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}
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break;
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}
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}
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//---------------------------------------------------------
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// updateGrips
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//---------------------------------------------------------
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void Arpeggio::updateGrips(int* grips, int* defaultGrip, QRectF* grip) const
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{
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*grips = 2;
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*defaultGrip = 1;
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QPointF p1(0.0, -_userLen1);
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QPointF p2(0.0, _height + _userLen2);
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grip[0].translate(pagePos() + p1);
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grip[1].translate(pagePos() + p2);
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}
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//---------------------------------------------------------
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// editDrag
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//---------------------------------------------------------
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void Arpeggio::editDrag(const EditData& ed)
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{
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qreal d = ed.delta.y();
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if (ed.curGrip == 0)
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_userLen1 -= d;
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else if (ed.curGrip == 1)
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_userLen2 += d;
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layout();
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}
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//---------------------------------------------------------
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// dragAnchor
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//---------------------------------------------------------
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QLineF Arpeggio::dragAnchor() const
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{
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Chord* c = chord();
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if (c)
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return QLineF(pagePos(), c->upNote()->pagePos());
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return QLineF();
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}
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//---------------------------------------------------------
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// gripAnchor
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//---------------------------------------------------------
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QPointF Arpeggio::gripAnchor(int n) const
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{
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Chord* c = chord();
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if (c == 0)
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return QPointF();
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if (n == 0)
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return c->upNote()->pagePos();
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else if (n == 1) {
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Note* dnote = c->downNote();
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int btrack = track() + (_span - 1) * VOICES;
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ChordRest* bchord = static_cast<ChordRest*>(c->segment()->element(btrack));
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if (bchord && bchord->type() == Element::Type::CHORD)
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dnote = static_cast<Chord*>(bchord)->downNote();
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return dnote->pagePos();
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}
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return QPointF();
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}
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//---------------------------------------------------------
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// startEdit
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//---------------------------------------------------------
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void Arpeggio::startEdit(MuseScoreView*, const QPointF&)
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{
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undoPushProperty(P_ID::ARP_USER_LEN1);
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undoPushProperty(P_ID::ARP_USER_LEN2);
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}
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//---------------------------------------------------------
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// edit
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//---------------------------------------------------------
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bool Arpeggio::edit(MuseScoreView*, int curGrip, int key, Qt::KeyboardModifiers modifiers, const QString&)
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{
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if (curGrip != 1 || !(modifiers & Qt::ShiftModifier))
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return false;
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if (key == Qt::Key_Down) {
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Staff* s = staff();
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Part* part = s->part();
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int n = part->nstaves();
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int ridx = part->staves()->indexOf(s);
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if (ridx >= 0) {
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if (_span + ridx < n)
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++_span;
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}
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}
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else if (key == Qt::Key_Up) {
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if (_span > 1)
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--_span;
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}
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else
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return false;
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layout();
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Chord* c = chord();
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rxpos() = -(width() + spatium() * .5);
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c->layoutArpeggio2();
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return true;
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}
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//---------------------------------------------------------
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// spatiumChanged
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//---------------------------------------------------------
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void Arpeggio::spatiumChanged(qreal oldValue, qreal newValue)
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{
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_userLen1 *= (newValue / oldValue);
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_userLen2 *= (newValue / oldValue);
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}
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//---------------------------------------------------------
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// acceptDrop
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//---------------------------------------------------------
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bool Arpeggio::acceptDrop(const DropData& data) const
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{
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return data.element->type() == Element::Type::ARPEGGIO;
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}
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//---------------------------------------------------------
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// drop
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//---------------------------------------------------------
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Element* Arpeggio::drop(const DropData& data)
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{
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Element* e = data.element;
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switch(e->type()) {
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case Element::Type::ARPEGGIO:
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{
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Arpeggio* a = static_cast<Arpeggio*>(e);
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if (parent())
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score()->undoRemoveElement(this);
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a->setTrack(track());
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a->setParent(parent());
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score()->undoAddElement(a);
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}
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return e;
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default:
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delete e;
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break;
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}
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return 0;
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}
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//---------------------------------------------------------
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// getProperty
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//---------------------------------------------------------
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QVariant Arpeggio::getProperty(P_ID propertyId) const
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{
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switch(propertyId) {
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case P_ID::ARP_USER_LEN1:
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return userLen1();
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case P_ID::ARP_USER_LEN2:
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return userLen2();
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default:
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break;
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}
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return Element::getProperty(propertyId);
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}
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//---------------------------------------------------------
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// setProperty
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//---------------------------------------------------------
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bool Arpeggio::setProperty(P_ID propertyId, const QVariant& val)
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{
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switch(propertyId) {
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case P_ID::ARP_USER_LEN1:
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setUserLen1(val.toDouble());
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break;
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case P_ID::ARP_USER_LEN2:
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setUserLen2(val.toDouble());
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break;
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default:
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if (!Element::setProperty(propertyId, val))
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return false;
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break;
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}
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score()->setLayoutAll(true);
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return true;
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}
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}
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