502 lines
18 KiB
C++
502 lines
18 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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#include "bracket.h"
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#include "xml.h"
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#include "style.h"
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#include "utils.h"
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#include "staff.h"
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#include "score.h"
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#include "system.h"
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#include "sym.h"
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#include "mscore.h"
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#include "bracketItem.h"
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namespace Ms {
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//---------------------------------------------------------
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// Bracket
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//---------------------------------------------------------
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Bracket::Bracket(Score* s)
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: Element(s)
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{
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h2 = 3.5 * spatium();
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_firstStaff = 0;
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_lastStaff = 0;
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_bi = 0;
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setGenerated(true); // brackets are not saved
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}
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Bracket::~Bracket()
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{
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}
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//---------------------------------------------------------
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// setHeight
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//---------------------------------------------------------
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void Bracket::setHeight(qreal h)
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{
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h2 = h * .5;
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}
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//---------------------------------------------------------
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// width
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//---------------------------------------------------------
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qreal Bracket::width() const
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{
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qreal w;
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switch (bracketType()) {
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case BracketType::BRACE:
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if (score()->styleSt(Sid::MusicalSymbolFont) == "Emmentaler" || score()->styleSt(Sid::MusicalSymbolFont) == "Gonville")
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w = score()->styleP(Sid::akkoladeWidth) + score()->styleP(Sid::akkoladeBarDistance);
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else
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w = (symWidth(_braceSymbol) * _magx) + score()->styleP(Sid::akkoladeBarDistance);
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break;
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case BracketType::NORMAL:
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w = score()->styleP(Sid::bracketWidth) + score()->styleP(Sid::bracketDistance);
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break;
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case BracketType::SQUARE:
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w = score()->styleP(Sid::staffLineWidth) + spatium() * .5;
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break;
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case BracketType::LINE:
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w = 0.67f * score()->styleP(Sid::bracketWidth) + score()->styleP(Sid::bracketDistance);
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break;
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case BracketType::NO_BRACKET:
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default:
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w = 0.0;
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break;
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}
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return w;
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}
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//---------------------------------------------------------
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// setStaffSpan
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//---------------------------------------------------------
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void Bracket::setStaffSpan(int a, int b)
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{
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_firstStaff = a;
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_lastStaff = b;
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if (bracketType() == BracketType::BRACE &&
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score()->styleSt(Sid::MusicalSymbolFont) != "Emmentaler" && score()->styleSt(Sid::MusicalSymbolFont) != "Gonville")
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{
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int v = _lastStaff - _firstStaff + 1;
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// total default height of a system of n staves / height of a 5 line staff
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_magx = v + ((v - 1) * score()->styleS(Sid::akkoladeDistance).val() / 4.0);
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if (v == 1)
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_braceSymbol = SymId::braceSmall;
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else if (v <= 2)
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_braceSymbol = SymId::brace;
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else if (v <= 3)
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_braceSymbol = SymId::braceLarge;
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else
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_braceSymbol = SymId::braceLarger;
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}
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}
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//---------------------------------------------------------
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// layout
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//---------------------------------------------------------
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void Bracket::layout()
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{
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path = QPainterPath();
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if (h2 == 0.0)
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return;
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_shape.clear();
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switch (bracketType()) {
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case BracketType::BRACE: {
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if (score()->styleSt(Sid::MusicalSymbolFont) == "Emmentaler" || score()->styleSt(Sid::MusicalSymbolFont) == "Gonville") {
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_braceSymbol = SymId::noSym;
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qreal w = score()->styleP(Sid::akkoladeWidth);
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#define XM(a) (a+700)*w/700
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#define YM(a) (a+7100)*h2/7100
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path.moveTo( XM( -8), YM(-2048));
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path.cubicTo(XM( -8), YM(-3192), XM(-360), YM(-4304), XM( -360), YM(-5400)); // c 0
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path.cubicTo(XM( -360), YM(-5952), XM(-264), YM(-6488), XM( 32), YM(-6968)); // c 1
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path.cubicTo(XM( 36), YM(-6974), XM( 38), YM(-6984), XM( 38), YM(-6990)); // c 0
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path.cubicTo(XM( 38), YM(-7008), XM( 16), YM(-7024), XM( 0), YM(-7024)); // c 0
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path.cubicTo(XM( -8), YM(-7024), XM( -22), YM(-7022), XM( -32), YM(-7008)); // c 1
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path.cubicTo(XM( -416), YM(-6392), XM(-544), YM(-5680), XM( -544), YM(-4960)); // c 0
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path.cubicTo(XM( -544), YM(-3800), XM(-168), YM(-2680), XM( -168), YM(-1568)); // c 0
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path.cubicTo(XM( -168), YM(-1016), XM(-264), YM( -496), XM( -560), YM( -16)); // c 1
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path.lineTo( XM( -560), YM( 0)); // l 1
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path.lineTo( XM( -560), YM( 16)); // l 1
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path.cubicTo(XM( -264), YM( 496), XM(-168), YM( 1016), XM( -168), YM( 1568)); // c 0
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path.cubicTo(XM( -168), YM( 2680), XM(-544), YM( 3800), XM( -544), YM( 4960)); // c 0
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path.cubicTo(XM( -544), YM( 5680), XM(-416), YM( 6392), XM( -32), YM( 7008)); // c 1
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path.cubicTo(XM( -22), YM( 7022), XM( -8), YM( 7024), XM( 0), YM( 7024)); // c 0
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path.cubicTo(XM( 16), YM( 7024), XM( 38), YM( 7008), XM( 38), YM( 6990)); // c 0
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path.cubicTo(XM( 38), YM( 6984), XM( 36), YM( 6974), XM( 32), YM( 6968)); // c 1
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path.cubicTo(XM( -264), YM( 6488), XM(-360), YM( 5952), XM( -360), YM( 5400)); // c 0
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path.cubicTo(XM( -360), YM( 4304), XM( -8), YM( 3192), XM( -8), YM( 2048)); // c 0
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path.cubicTo(XM( - 8), YM( 1320), XM(-136), YM( 624), XM( -512), YM( 0)); // c 1
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path.cubicTo(XM( -136), YM( -624), XM( -8), YM(-1320), XM( -8), YM(-2048)); // c 0*/
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setbbox(path.boundingRect());
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_shape.add(bbox());
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}
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else {
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qreal h = h2 * 2;
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qreal w = symWidth(_braceSymbol) * _magx;
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bbox().setRect(0, 0, w, h);
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_shape.add(bbox());
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}
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}
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break;
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case BracketType::NORMAL: {
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qreal _spatium = spatium();
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qreal w = score()->styleP(Sid::bracketWidth) * .5;
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qreal x = -w;
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qreal bd = _spatium * .25;
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_shape.add(QRectF(x, -bd, w * 2, 2 * (h2+bd)));
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_shape.add(symBbox(SymId::bracketTop).translated(QPointF(-w, -bd)));
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_shape.add(symBbox(SymId::bracketBottom).translated(QPointF(-w, bd + 2*h2)));
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w += symWidth(SymId::bracketTop);
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qreal y = - symHeight(SymId::bracketTop) - bd;
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qreal h = (-y + h2) * 2;
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bbox().setRect(x, y, w, h);
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}
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break;
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case BracketType::SQUARE: {
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qreal w = score()->styleP(Sid::staffLineWidth) * .5;
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qreal x = -w;
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qreal y = -w;
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qreal h = (h2 + w) * 2 ;
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w += (.5 * spatium() + 3* w);
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bbox().setRect(x, y, w, h);
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_shape.add(bbox());
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}
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break;
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case BracketType::LINE: {
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qreal _spatium = spatium();
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qreal w = 0.67 * score()->styleP(Sid::bracketWidth) * .5;
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qreal x = -w;
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qreal bd = _spatium * .25;
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qreal y = -bd;
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qreal h = (-y + h2) * 2;
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bbox().setRect(x, y, w, h);
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_shape.add(bbox());
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}
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break;
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case BracketType::NO_BRACKET:
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break;
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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 Bracket::draw(QPainter* painter) const
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{
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if (h2 == 0.0)
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return;
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switch (bracketType()) {
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case BracketType::BRACE: {
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if (_braceSymbol == SymId::noSym) {
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painter->setPen(Qt::NoPen);
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painter->setBrush(QBrush(curColor()));
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painter->drawPath(path);
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}
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else {
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qreal h = 2 * h2;
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qreal _spatium = spatium();
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qreal mag = h / (4 *_spatium);
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painter->setPen(curColor());
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painter->save();
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painter->scale(_magx, mag);
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drawSymbol(_braceSymbol, painter, QPointF(0, h/mag));
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painter->restore();
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}
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}
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break;
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case BracketType::NORMAL: {
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qreal h = 2 * h2;
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qreal _spatium = spatium();
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qreal w = score()->styleP(Sid::bracketWidth);
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qreal bd = _spatium * .25;
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QPen pen(curColor(), w, Qt::SolidLine, Qt::FlatCap);
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painter->setPen(pen);
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painter->drawLine(QLineF(0.0, -bd - w * .5, 0.0, h + bd + w * .5));
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qreal x = -w * .5;
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qreal y1 = -bd;
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qreal y2 = h + bd;
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drawSymbol(SymId::bracketTop, painter, QPointF(x, y1));
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drawSymbol(SymId::bracketBottom, painter, QPointF(x, y2));
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}
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break;
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case BracketType::SQUARE: {
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qreal h = 2 * h2;
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qreal _spatium = spatium();
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qreal w = score()->styleP(Sid::staffLineWidth);
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QPen pen(curColor(), w, Qt::SolidLine, Qt::SquareCap);
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painter->setPen(pen);
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painter->drawLine(QLineF(0.0, 0.0, 0.0, h));
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painter->drawLine(QLineF(0.0, 0.0, w + .5 *_spatium, 0.0));
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painter->drawLine(QLineF(0.0, h , w + .5 *_spatium, h));
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}
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break;
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case BracketType::LINE: {
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qreal h = 2 * h2;
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qreal _spatium = spatium();
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qreal w = 0.67 * score()->styleP(Sid::bracketWidth);
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QPen pen(curColor(), w, Qt::SolidLine, Qt::FlatCap);
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painter->setPen(pen);
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qreal bd = _spatium * .25;
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painter->drawLine(QLineF(0.0, -bd, 0.0, h + bd));
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}
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break;
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case BracketType::NO_BRACKET:
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break;
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}
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}
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//---------------------------------------------------------
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// startEdit
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//---------------------------------------------------------
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void Bracket::startEdit(EditData& ed)
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{
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Element::startEdit(ed);
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ed.grips = 1;
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ed.curGrip = Grip::START;
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}
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//---------------------------------------------------------
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// updateGrips
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//---------------------------------------------------------
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void Bracket::updateGrips(EditData& ed) const
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{
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ed.grip[0].translate(QPointF(0.0, h2 * 2) + pagePos());
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}
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//---------------------------------------------------------
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// endEdit
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//---------------------------------------------------------
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void Bracket::endEdit(EditData& ed)
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{
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endEditDrag(ed);
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}
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//---------------------------------------------------------
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// editDrag
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//---------------------------------------------------------
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void Bracket::editDrag(EditData& ed)
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{
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h2 += ed.delta.y() * .5;
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layout();
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}
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//---------------------------------------------------------
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// endEditDrag
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// snap to nearest staff
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//---------------------------------------------------------
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void Bracket::endEditDrag(EditData&)
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{
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qreal ay1 = pagePos().y();
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qreal ay2 = ay1 + h2 * 2;
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int staffIdx1 = staffIdx();
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int staffIdx2;
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int n = system()->staves()->size();
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if (staffIdx1 + 1 >= n)
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staffIdx2 = staffIdx1;
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else {
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qreal ay = parent()->pagePos().y();
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System* s = system();
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qreal y = s->staff(staffIdx1)->y() + ay;
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qreal h1 = staff()->height();
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for (staffIdx2 = staffIdx1 + 1; staffIdx2 < n; ++staffIdx2) {
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qreal h = s->staff(staffIdx2)->y() + ay - y;
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if (ay2 < (y + (h + h1) * .5))
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break;
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y += h;
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}
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staffIdx2 -= 1;
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}
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qreal sy = system()->staff(staffIdx1)->y();
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qreal ey = system()->staff(staffIdx2)->y() + score()->staff(staffIdx2)->height();
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h2 = (ey - sy) * .5;
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bracketItem()->undoChangeProperty(Pid::BRACKET_SPAN, staffIdx2 - staffIdx1 + 1);
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}
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//---------------------------------------------------------
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// acceptDrop
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//---------------------------------------------------------
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bool Bracket::acceptDrop(EditData& data) const
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{
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return data.element->type() == ElementType::BRACKET;
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}
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//---------------------------------------------------------
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// drop
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//---------------------------------------------------------
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Element* Bracket::drop(EditData& data)
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{
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Element* e = data.element;
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Bracket* b = 0;
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if (e->isBracket()) {
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b = toBracket(e);
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undoChangeProperty(Pid::SYSTEM_BRACKET, int(b->bracketType()));
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}
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delete e;
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return this;
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}
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//---------------------------------------------------------
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// edit
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// return true if event is accepted
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//---------------------------------------------------------
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bool Bracket::edit(EditData& ed)
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{
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if (!(ed.modifiers & Qt::ShiftModifier))
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return false;
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if (ed.key == Qt::Key_Left) {
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bracketItem()->undoChangeProperty(Pid::BRACKET_COLUMN, bracketItem()->column()+1);
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return true;
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}
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if (ed.key == Qt::Key_Right) {
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if (bracketItem()->column() == 0)
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return true;
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bracketItem()->undoChangeProperty(Pid::BRACKET_COLUMN, bracketItem()->column()-1);
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return true;
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}
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return false;
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}
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//---------------------------------------------------------
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// getProperty
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//---------------------------------------------------------
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QVariant Bracket::getProperty(Pid id) const
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{
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QVariant v = Element::getProperty(id);
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if (!v.isValid())
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v = _bi->getProperty(id);
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return v;
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}
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//---------------------------------------------------------
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// setProperty
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//---------------------------------------------------------
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bool Bracket::setProperty(Pid id, const QVariant& v)
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{
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return _bi->setProperty(id, v);
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}
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//---------------------------------------------------------
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// propertyDefault
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//---------------------------------------------------------
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QVariant Bracket::propertyDefault(Pid id) const
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{
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if (id == Pid::BRACKET_COLUMN)
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return 0;
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QVariant v = Element::propertyDefault(id);
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if (!v.isValid())
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v = _bi->propertyDefault(id);
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return v;
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}
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//---------------------------------------------------------
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// setSelected
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//---------------------------------------------------------
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void Bracket::setSelected(bool f)
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{
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_bi->setSelected(f);
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Element::setSelected(f);
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}
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//---------------------------------------------------------
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// Bracket::write
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// used only for palettes
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//---------------------------------------------------------
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void Bracket::write(XmlWriter& xml) const
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{
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switch (_bi->bracketType()) {
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case BracketType::BRACE:
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xml.stag("Bracket type=\"Brace\"");
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break;
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case BracketType::NORMAL:
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xml.stag("Bracket");
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break;
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case BracketType::SQUARE:
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xml.stag("Bracket type=\"Square\"");
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break;
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case BracketType::LINE:
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xml.stag("Bracket type=\"Line\"");
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break;
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case BracketType::NO_BRACKET:
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break;
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}
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if (_bi->column())
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xml.tag("level", _bi->column());
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Element::writeProperties(xml);
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xml.etag();
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}
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//---------------------------------------------------------
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// Bracket::read
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// used only for palettes
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//---------------------------------------------------------
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void Bracket::read(XmlReader& e)
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{
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QString t(e.attribute("type", "Normal"));
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_bi = new BracketItem(score());
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if (t == "Normal")
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_bi->setBracketType(BracketType::NORMAL);
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else if (t == "Akkolade") //compatibility, not used anymore
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_bi->setBracketType(BracketType::BRACE);
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else if (t == "Brace")
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_bi->setBracketType(BracketType::BRACE);
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else if (t == "Square")
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_bi->setBracketType(BracketType::SQUARE);
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else if (t == "Line")
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_bi->setBracketType(BracketType::LINE);
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else
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qDebug("unknown brace type <%s>", qPrintable(t));
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while (e.readNextStartElement()) {
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if (e.name() == "level")
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_bi->setColumn(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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