580 lines
19 KiB
C++
580 lines
19 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 "sym.h"
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#include "staff.h"
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#include "clef.h"
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#include "keysig.h"
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#include "segment.h"
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#include "score.h"
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#include "undo.h"
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#include "xml.h"
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namespace Ms {
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const char* keyNames[] = {
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QT_TRANSLATE_NOOP("MuseScore", "G major, E minor"),
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QT_TRANSLATE_NOOP("MuseScore", "Cb major, Ab minor"),
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QT_TRANSLATE_NOOP("MuseScore", "D major, B minor"),
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QT_TRANSLATE_NOOP("MuseScore", "Gb major, Eb minor"),
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QT_TRANSLATE_NOOP("MuseScore", "A major, F# minor"),
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QT_TRANSLATE_NOOP("MuseScore", "Db major, Bb minor"),
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QT_TRANSLATE_NOOP("MuseScore", "E major, C# minor"),
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QT_TRANSLATE_NOOP("MuseScore", "Ab major, F minor"),
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QT_TRANSLATE_NOOP("MuseScore", "B major, G# minor"),
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QT_TRANSLATE_NOOP("MuseScore", "Eb major, C minor"),
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QT_TRANSLATE_NOOP("MuseScore", "F# major, D# minor"),
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QT_TRANSLATE_NOOP("MuseScore", "Bb major, G minor"),
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QT_TRANSLATE_NOOP("MuseScore", "C# major, A# minor"),
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QT_TRANSLATE_NOOP("MuseScore", "F major, D minor"),
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QT_TRANSLATE_NOOP("MuseScore", "C major, A minor")
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};
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//---------------------------------------------------------
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// KeySig
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//---------------------------------------------------------
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KeySig::KeySig(Score* s)
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: Element(s)
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{
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setFlags(ELEMENT_SELECTABLE | ELEMENT_ON_STAFF);
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_showCourtesy = true;
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_showNaturals = true;
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}
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KeySig::KeySig(const KeySig& k)
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: Element(k)
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{
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_showCourtesy = k._showCourtesy;
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_showNaturals = k._showNaturals;
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foreach(KeySym* ks, k.keySymbols)
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keySymbols.append(new KeySym(*ks));
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_sig = k._sig;
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}
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//---------------------------------------------------------
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// mag
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//---------------------------------------------------------
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qreal KeySig::mag() const
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{
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return staff() ? staff()->mag() : 1.0;
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}
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//---------------------------------------------------------
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// setCustom
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//---------------------------------------------------------
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void KeySig::setCustom(const QList<KeySym*>& symbols)
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{
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_sig.setCustomType(0);
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keySymbols = symbols;
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}
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//---------------------------------------------------------
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// add
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//---------------------------------------------------------
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void KeySig::addLayout(SymId sym, qreal x, int line)
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{
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KeySym* ks = new KeySym;
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ks->sym = sym;
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ks->spos = QPointF(x, qreal(line) * .5);
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keySymbols.append(ks);
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}
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//---------------------------------------------------------
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// layout
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//---------------------------------------------------------
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void KeySig::layout()
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{
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qreal _spatium = spatium();
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setbbox(QRectF());
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if (staff() && !staff()->genKeySig()) { // no key sigs on TAB staves
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foreach(KeySym* ks, keySymbols)
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delete ks;
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keySymbols.clear();
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return;
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}
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if (isCustom()) {
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foreach(KeySym* ks, keySymbols) {
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ks->pos = ks->spos * _spatium;
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addbbox(symBbox(ks->sym).translated(ks->pos));
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}
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return;
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}
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foreach(KeySym* ks, keySymbols)
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delete ks;
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keySymbols.clear();
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// determine current clef for this staff
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ClefType clef = ClefType::G;
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if (staff())
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clef = staff()->clef(segment());
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int t1 = _sig.accidentalType();
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int t2 = _sig.naturalType();
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qreal xo = 0.0;
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// check ranges and compute masks for accidentals and naturals
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int accidentals = 0, naturals = 0;
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switch (qAbs(t1)) {
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case 7: accidentals = 0x7f; break;
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case 6: accidentals = 0x3f; break;
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case 5: accidentals = 0x1f; break;
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case 4: accidentals = 0xf; break;
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case 3: accidentals = 0x7; break;
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case 2: accidentals = 0x3; break;
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case 1: accidentals = 0x1; break;
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case 0: accidentals = 0; break;
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default:
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qDebug("illegal t1 key %d (t2=%d)", t1, t2);
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break;
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}
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switch (qAbs(t2)) {
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case 7: naturals = 0x7f; break;
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case 6: naturals = 0x3f; break;
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case 5: naturals = 0x1f; break;
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case 4: naturals = 0xf; break;
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case 3: naturals = 0x7; break;
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case 2: naturals = 0x3; break;
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case 1: naturals = 0x1; break;
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case 0: naturals = 0; break;
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default:
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qDebug("illegal t2 key %d (t1=%d)", t2, t1);
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break;
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}
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xo = 0.0;
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int coffset = t2 < 0 ? 7 : 0;
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// remove redundant naturals
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if (!((t1 > 0) ^ (t2 > 0)))
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naturals &= ~accidentals;
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// manage display of naturals:
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// naturals are shown if there is some natural AND naturals are on for this key sig
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// AND style says they are not off
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// OR key sig is CMaj/Amin (in which case they are always shown)
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bool naturalsOn =
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t2 != 0 && (_showNaturals
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&& (score()->styleI(ST_keySigNaturals) != NAT_NONE || t1 == 0) );
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// naturals shoud go BEFORE accidentals if style says so
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// OR going from sharps to flats or vice versa (i.e. t1 & t2 have opposite signs)
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bool prefixNaturals =
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naturalsOn
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&& (score()->styleI(ST_keySigNaturals) == NAT_BEFORE || t1 * t2 < 0);
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// naturals should go AFTER accidentals if they should not go before!
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bool suffixNaturals = naturalsOn && !prefixNaturals;
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const char* lines = ClefInfo::lines(clef);
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// add prefixed naturals, if any
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if (prefixNaturals) {
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for (int i = 0; i < 7; ++i) {
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if (naturals & (1 << i)) {
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addLayout(SymId::accidentalNatural, xo, lines[i + coffset]);
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xo += 1.0;
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}
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}
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}
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// add accidentals
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static const qreal sspread = 1.0;
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static const qreal fspread = 1.0;
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switch(t1) {
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case 7: addLayout(SymId::accidentalSharp, xo + 6.0 * sspread, lines[6]);
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case 6: addLayout(SymId::accidentalSharp, xo + 5.0 * sspread, lines[5]);
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case 5: addLayout(SymId::accidentalSharp, xo + 4.0 * sspread, lines[4]);
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case 4: addLayout(SymId::accidentalSharp, xo + 3.0 * sspread, lines[3]);
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case 3: addLayout(SymId::accidentalSharp, xo + 2.0 * sspread, lines[2]);
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case 2: addLayout(SymId::accidentalSharp, xo + 1.0 * sspread, lines[1]);
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case 1: addLayout(SymId::accidentalSharp, xo, lines[0]);
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break;
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case -7: addLayout(SymId::accidentalFlat, xo + 6.0 * fspread, lines[13]);
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case -6: addLayout(SymId::accidentalFlat, xo + 5.0 * fspread, lines[12]);
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case -5: addLayout(SymId::accidentalFlat, xo + 4.0 * fspread, lines[11]);
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case -4: addLayout(SymId::accidentalFlat, xo + 3.0 * fspread, lines[10]);
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case -3: addLayout(SymId::accidentalFlat, xo + 2.0 * fspread, lines[9]);
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case -2: addLayout(SymId::accidentalFlat, xo + 1.0 * fspread, lines[8]);
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case -1: addLayout(SymId::accidentalFlat, xo, lines[7]);
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case 0:
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break;
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default:
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qDebug("illegal t1 key %d (t2=%d)", t1, t2);
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break;
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}
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// add suffixed naturals, if any
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if (suffixNaturals) {
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xo += qAbs(t1); // skip accidentals
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if(t1 > 0) { // after sharps, add a little more space
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xo += 0.15;
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// if last sharp (t1) is above next natural (t1+1)...
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if (lines[t1] < lines[t1+1])
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xo += 0.2; // ... add more space
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}
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for (int i = 0; i < 7; ++i) {
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if (naturals & (1 << i)) {
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addLayout(SymId::accidentalNatural, xo, lines[i + coffset]);
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xo += 1.0;
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}
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}
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}
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// compute bbox
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setbbox(QRectF());
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foreach(KeySym* ks, keySymbols) {
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ks->pos = ks->spos * _spatium;
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addbbox(symBbox(ks->sym).translated(ks->pos));
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}
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}
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//---------------------------------------------------------
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// set
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//---------------------------------------------------------
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void KeySig::draw(QPainter* p) const
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{
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p->setPen(curColor());
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foreach(const KeySym* ks, keySymbols)
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drawSymbol(ks->sym, p, QPointF(ks->pos.x(), ks->pos.y()));
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}
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//---------------------------------------------------------
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// acceptDrop
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//---------------------------------------------------------
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bool KeySig::acceptDrop(MuseScoreView*, const QPointF&, Element* e) const
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{
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return e->type() == KEYSIG;
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}
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//---------------------------------------------------------
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// drop
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//---------------------------------------------------------
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Element* KeySig::drop(const DropData& data)
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{
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Element* e = data.element;
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if (e->type() != KEYSIG) {
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delete e;
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return 0;
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}
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KeySig* ks = static_cast<KeySig*>(e);
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KeySigEvent k = ks->keySigEvent();
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if (k.custom() && (score()->customKeySigIdx(ks) == -1))
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score()->addCustomKeySig(ks);
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else
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delete ks;
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if (data.modifiers & Qt::ControlModifier) {
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// apply only to this stave
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if (k != keySigEvent())
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score()->undoChangeKeySig(staff(), tick(), k);
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}
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else {
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// apply to all staves:
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foreach(Staff* s, score()->staves())
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score()->undoChangeKeySig(s, tick(), k);
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}
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return this;
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}
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//---------------------------------------------------------
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// setSig
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//---------------------------------------------------------
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void KeySig::setSig(int old, int newSig)
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{
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KeySigEvent ks;
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ks.setNaturalType(old);
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ks.setAccidentalType(newSig);
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setKeySigEvent(ks);
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}
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//---------------------------------------------------------
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// setOldSig
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//---------------------------------------------------------
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void KeySig::setOldSig(int old)
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{
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_sig.setNaturalType(old);
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}
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//---------------------------------------------------------
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// space
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//---------------------------------------------------------
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Space KeySig::space() const
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{
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return Space(point(score()->styleS(ST_keysigLeftMargin)), width());
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}
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//---------------------------------------------------------
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// write
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//---------------------------------------------------------
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void KeySig::write(Xml& xml) const
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{
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xml.stag(name());
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Element::writeProperties(xml);
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if (_sig.custom()) {
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xml.tag("custom", _sig.customType());
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foreach(const KeySym* ks, keySymbols) {
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xml.stag("KeySym");
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xml.tag("sym", int(ks->sym));
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xml.tag("pos", ks->spos);
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xml.etag();
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}
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}
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else {
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xml.tag("accidental", _sig.accidentalType());
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if (_sig.naturalType())
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xml.tag("natural", _sig.naturalType());
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}
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if (!_showCourtesy)
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xml.tag("showCourtesySig", _showCourtesy);
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if (!_showNaturals)
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xml.tag("showNaturals", _showNaturals);
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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 KeySig::read(XmlReader& e)
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{
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_sig = KeySigEvent(); // invalidate _sig
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int subtype = 0;
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while (e.readNextStartElement()) {
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const QStringRef& tag(e.name());
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if (tag == "KeySym") {
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KeySym* ks = new KeySym;
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while (e.readNextStartElement()) {
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const QStringRef& tag(e.name());
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if (tag == "sym")
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ks->sym = SymId(e.readInt());
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else if (tag == "pos")
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ks->spos = e.readPoint();
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else
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e.unknown();
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}
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keySymbols.append(ks);
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}
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else if (tag == "showCourtesySig")
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_showCourtesy = e.readInt();
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else if (tag == "showNaturals")
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_showNaturals = e.readInt();
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else if (tag == "accidental")
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_sig.setAccidentalType(e.readInt());
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else if (tag == "natural")
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_sig.setNaturalType(e.readInt());
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else if (tag == "custom")
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_sig.setCustomType(e.readInt());
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else if (tag == "subtype")
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subtype = 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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if (_sig.invalid())
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_sig.initFromSubtype(subtype); // for backward compatibility
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}
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//---------------------------------------------------------
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// operator==
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//---------------------------------------------------------
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bool KeySig::operator==(const KeySig& k) const
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{
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bool ct1 = customType() != 0;
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bool ct2 = k.customType() != 0;
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if (ct1 != ct2)
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return false;
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if (ct1) {
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int n = keySymbols.size();
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if (n != k.keySymbols.size())
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return false;
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for (int i = 0; i < n; ++i) {
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KeySym* ks1 = keySymbols[i];
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KeySym* ks2 = k.keySymbols[i];
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if (ks1->sym != ks2->sym)
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return false;
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if (ks1->spos != ks2->spos)
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return false;
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}
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return true;
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}
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return _sig == k._sig;
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}
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//---------------------------------------------------------
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// changeKeySigEvent
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//---------------------------------------------------------
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void KeySig::changeKeySigEvent(const KeySigEvent& t)
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{
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if (_sig == t)
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return;
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if (t.custom()) {
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KeySig* ks = _score->customKeySig(t.customType());
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if (!ks)
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return;
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foreach(KeySym* k, keySymbols)
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delete k;
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keySymbols.clear();
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foreach(KeySym* k, ks->keySymbols)
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keySymbols.append(new KeySym(*k));
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}
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setKeySigEvent(t);
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}
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//---------------------------------------------------------
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// tick
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//---------------------------------------------------------
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int KeySig::tick() const
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{
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return segment() ? segment()->tick() : 0;
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}
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//---------------------------------------------------------
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// insertIntoKeySigChains
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//
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// Adjusts the naturals of this key sig with respect to the previous
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// and the naturals of the next with respect to this one
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//
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// Note: staff(), tick() and track() should return sensible values!
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//---------------------------------------------------------
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void KeySig::insertIntoKeySigChain()
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{
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if (generated())
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return;
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Staff* stf = staff();
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if (!stf)
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return;
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int tck = tick();
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// locate previous key sig to set our delta naturals
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KeySigEvent oldKey = stf->key(tck-1);
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setOldSig(oldKey.accidentalType());
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// locate the following key sig, if any, to set into it the natural delta with this
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int nextKeyTick = stf->nextKeyTick(tck);
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Segment* nextKeySeg = 0;
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if (nextKeyTick) {
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nextKeySeg = score()->tick2segment(nextKeyTick, false, Segment::SegKeySig);
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while(nextKeySeg && !nextKeySeg->element(track()))
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nextKeySeg = nextKeySeg->next1(Segment::SegKeySig);
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}
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if (nextKeySeg)
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static_cast<KeySig*>(nextKeySeg->elist()[track()])->setOldSig(_sig.accidentalType());
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}
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//---------------------------------------------------------
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// removeFromKeySigChains
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//
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// Adjusts the naturals of the next key sig with respect to the previous
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//
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// Note: staff(), tick() and track() should return sensible values!
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//---------------------------------------------------------
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void KeySig::removeFromKeySigChain()
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{
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if (generated())
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return;
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Staff* stf = staff();
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if (!stf)
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return;
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int tck = tick();
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// locate previous and next key sig
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KeySigEvent oldKey = stf->key(tck-1);
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// locate the following key sig, if any, to set into it the natural delta with this
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int nextKeyTick = stf->nextKeyTick(tck);
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Segment* nextKeySeg = 0;
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if (nextKeyTick) {
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nextKeySeg = score()->tick2segment(nextKeyTick, false, Segment::SegKeySig);
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while(nextKeySeg && !nextKeySeg->element(track()))
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nextKeySeg = nextKeySeg->next1(Segment::SegKeySig);
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}
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if (nextKeySeg)
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static_cast<KeySig*>(nextKeySeg->elist()[track()])->setOldSig(oldKey.accidentalType());
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}
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//---------------------------------------------------------
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// undoSetShowCourtesy
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//---------------------------------------------------------
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void KeySig::undoSetShowCourtesy(bool v)
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{
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score()->undoChangeProperty(this, P_SHOW_COURTESY, v);
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}
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//---------------------------------------------------------
|
|
// getProperty
|
|
//---------------------------------------------------------
|
|
|
|
QVariant KeySig::getProperty(P_ID propertyId) const
|
|
{
|
|
switch(propertyId) {
|
|
case P_SHOW_COURTESY: return int(showCourtesy());
|
|
case P_SHOW_NATURALS: return int(showNaturals());
|
|
default:
|
|
return Element::getProperty(propertyId);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// setProperty
|
|
//---------------------------------------------------------
|
|
|
|
bool KeySig::setProperty(P_ID propertyId, const QVariant& v)
|
|
{
|
|
switch(propertyId) {
|
|
case P_SHOW_COURTESY:
|
|
setShowCourtesy(v.toBool());
|
|
break;
|
|
case P_SHOW_NATURALS:
|
|
setShowNaturals(v.toBool());
|
|
break;
|
|
default:
|
|
if (!Element::setProperty(propertyId, v))
|
|
return false;
|
|
break;
|
|
}
|
|
score()->setLayoutAll(true);
|
|
setGenerated(false);
|
|
return true;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// propertyDefault
|
|
//---------------------------------------------------------
|
|
|
|
QVariant KeySig::propertyDefault(P_ID id) const
|
|
{
|
|
switch(id) {
|
|
case P_SHOW_COURTESY: return true;
|
|
case P_SHOW_NATURALS: return true;
|
|
default: return Element::propertyDefault(id);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|