MuseScore/libmscore/clef.cpp
2013-01-18 14:42:11 +01:00

597 lines
22 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
// $Id: clef.cpp 5343 2012-02-18 19:50:35Z miwarre $
//
// Copyright (C) 2002-2011 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
/**
\file
Implementation of classes Clef (partial) and ClefList (complete).
*/
#include "clef.h"
#include "xml.h"
#include "sym.h"
#include "symbol.h"
#include "score.h"
#include "staff.h"
#include "segment.h"
#include "stafftype.h"
#define TR(a) QT_TRANSLATE_NOOP("clefTable", a)
// table must be in sync with enum ClefType
const ClefInfo clefTable[] = {
// tag xmlName line oCh pOff|-lines for sharps---||---lines for flats--| name
{ "G", "G", 2, 0, 45, { 0, 3,-1, 2, 5, 1, 4, 4, 1, 5, 2, 6, 3, 7 }, TR("Treble clef"), PITCHED_STAFF },
{ "G8va", "G", 2, 1, 52, { 0, 3,-1, 2, 5, 1, 4, 4, 1, 5, 2, 6, 3, 7 }, TR("Treble clef 8va"), PITCHED_STAFF },
{ "G15ma","G", 2, 2, 59, { 0, 3,-1, 2, 5, 1, 4, 4, 1, 5, 2, 6, 3, 7 }, TR("Treble clef 15ma"), PITCHED_STAFF },
{ "G8vb", "G", 2, -1, 38, { 0, 3,-1, 2, 5, 1, 4, 4, 1, 5, 2, 6, 3, 7 }, TR("Treble clef 8vb"), PITCHED_STAFF },
{ "F", "F", 4, 0, 33, { 2, 5, 1, 4, 7, 3, 6, 6, 3, 7, 4, 8, 5, 9 }, TR("Bass clef"), PITCHED_STAFF },
{ "F8vb", "F", 4, -1, 26, { 2, 5, 1, 4, 7, 3, 6, 6, 3, 7, 4, 8, 5, 9 }, TR("Bass clef 8vb"), PITCHED_STAFF },
{ "F15mb","F", 4, -2, 19, { 2, 5, 1, 4, 7, 3, 6, 6, 3, 7, 4, 8, 5, 9 }, TR("Bass clef 15mb"), PITCHED_STAFF },
{ "F3", "F", 3, 0, 35, { 4, 0, 3,-1, 2, 5, 1, 1, 5, 2, 6, 3, 7, 4 }, TR("Baritone clef (F clef)"), PITCHED_STAFF },
{ "F5", "F", 5, 0, 31, { 0, 3,-1, 2, 5, 1, 4, 4, 1, 5, 2, 6, 3, 7 }, TR("Subbass clef"), PITCHED_STAFF },
{ "C1", "C", 1, 0, 43, { 5, 1, 4, 0, 3,-1, 2, 2,-1, 3, 0, 4, 1, 5 }, TR("Soprano clef"), PITCHED_STAFF }, // CLEF_C1
{ "C2", "C", 2, 0, 41, { 3, 6, 2, 5, 1, 4, 0, 0, 4, 1, 5, 2, 6, 3 }, TR("Mezzo-soprano clef"), PITCHED_STAFF }, // CLEF_C2
{ "C3", "C", 3, 0, 39, { 1, 4, 0, 3, 6, 2, 5, 5, 2, 6, 3, 7, 4, 8 }, TR("Alto clef"), PITCHED_STAFF }, // CLEF_C3
{ "C4", "C", 4, 0, 37, { 6, 2, 5, 1, 4, 0, 3, 3, 0, 4, 1, 5, 2, 6 }, TR("Tenor clef"), PITCHED_STAFF }, // CLEF_C4
{ "TAB", "TAB", 5, 0, 0, { 0, 3,-1, 2, 5, 1, 4, 4, 1, 5, 2, 6, 3, 7 }, TR("Tablature"), TAB_STAFF },
{ "PERC", "percussion",2, 0, 45, { 0, 3,-1, 2, 5, 1, 4, 4, 1, 5, 2, 6, 3, 7 }, TR("Percussion"), PERCUSSION_STAFF },
{ "C5", "C", 5, 0, 35, { 4, 0, 3,-1, 2, 5, 1, 1, 5, 2, 6, 3, 7, 4 }, TR("Baritone clef (C clef)"), PITCHED_STAFF }, // CLEF_C5
{ "G1", "G", 1, 0, 47, { 2, 5, 1, 4, 7, 3, 6, 6, 3, 7, 4, 8, 5, 9 }, TR("French violin clef"), PITCHED_STAFF }, // CLEF_G4
{ "F8va", "F", 4, 1, 40, { 2, 5, 1, 4, 7, 3, 6, 6, 3, 7, 4, 8, 5, 9 }, TR("Bass clef 8va"), PITCHED_STAFF }, // CLEF_F_8VA
{ "F15ma","F", 4, 2, 47, { 2, 5, 1, 4, 7, 3, 6, 6, 3, 7, 4, 8, 5, 9 }, TR("Bass clef 15ma"), PITCHED_STAFF }, // CLEF_F_15MA
{ "PERC2","percussion",2, 0, 45, { 0, 3,-1, 2, 5, 1, 4, 4, 1, 5, 2, 6, 3, 7 }, TR("Percussion"), PERCUSSION_STAFF }, // CLEF_PERC2 placeholder
{ "TAB2", "TAB", 5, 0, 0, { 0, 3,-1, 2, 5, 1, 4, 4, 1, 5, 2, 6, 3, 7 }, TR("Tablature2"), TAB_STAFF },
};
#undef TR
//---------------------------------------------------------
// Clef
//---------------------------------------------------------
Clef::Clef(Score* s)
: Element(s)
{
setFlags(ELEMENT_SELECTABLE | ELEMENT_ON_STAFF | ELEMENT_MOVABLE);
_showCourtesy = true;
_small = false;
_clefTypes._concertClef = CLEF_G;
_clefTypes._transposingClef = CLEF_G;
curClefType = CLEF_G;
curLines = -1;
curLineDist = 1.0;
}
Clef::Clef(const Clef& c)
: Element(c)
{
_showCourtesy = c._showCourtesy;
_showPreviousClef = c._showPreviousClef;
_small = c._small;
_clefTypes = c._clefTypes;
curClefType = c.curClefType;
curLines = c.curLines;
curLineDist = c.curLineDist;
layout1();
}
//---------------------------------------------------------
// add
//---------------------------------------------------------
void Clef::addElement(Element* e, qreal x, qreal y)
{
e->layout();
e->setPos(x, y);
e->setParent(this);
e->setSelected(selected());
elements.push_back(e);
}
//---------------------------------------------------------
// setSelected
//---------------------------------------------------------
void Clef::setSelected(bool f)
{
Element::setSelected(f);
foreach(Element* e, elements)
e->setSelected(f);
}
//---------------------------------------------------------
// layout
//---------------------------------------------------------
void Clef::layout()
{
// determine current number of lines and line distance
int lines = 5; // assume a resonable default
qreal lineDist = 1.0;
StaffType* staffType;
if (staff() && staff()->staffType()) {
staffType = staff()->staffType();
// tablatures:
if (staffType->group() == TAB_STAFF) {
if (!staffType->genClef()) // if no clef, do nothing
return;
// if current clef type not compatible with tablature,
// set tab clef according to score style
if (clefTable[clefType()].staffGroup != TAB_STAFF)
setClefType( ClefType(score()->styleI(ST_tabClef)) );
}
// all staff types: init values from staff type
lines = staffType->lines();
lineDist = staffType->lineDistance().val();
}
// if nothing changed since last layout, do nothing
if (curClefType == clefType() && curLines == lines && curLineDist == lineDist)
return;
// if something has changed, cache new values and re-layout
curClefType = clefType();
curLines = lines;
curLineDist = lineDist;
layout1();
}
//---------------------------------------------------------
// layout1
//---------------------------------------------------------
void Clef::layout1()
{
qreal smag = _small ? score()->style(ST_smallClefMag).toDouble() : 1.0;
qreal _spatium = spatium();
qreal msp = _spatium * smag;
qreal yoff = 0.0;
qDeleteAll(elements);
elements.clear();
Symbol* symbol = new Symbol(score());
switch (curClefType) {
case CLEF_G: // G clef on 2nd line
symbol->setSym(trebleclefSym);
yoff = 3.0 * curLineDist;
break;
case CLEF_G1: // G clef 8va on 2nd line
{
symbol->setSym(trebleclefSym);
yoff = 3.0 * curLineDist;
Symbol* number = new Symbol(score());
number->setMag(smag);
number->setSym(clefEightSym);
addElement(number, 1.0 * msp, -5.0 * msp + yoff * _spatium);
}
break;
case CLEF_G2: // G clef 15ma on 2nd line
{
symbol->setSym(trebleclefSym);
yoff = 3.0 * curLineDist;
Symbol* number = new Symbol(score());
symbol->setMag(smag);
number->setSym(clefOneSym);
addElement(number, .6 * msp, -5.0 * msp + yoff * _spatium);
number = new Symbol(score());
number->setSym(clefFiveSym);
addElement(number, 1.4 * msp, -5.0 * msp + yoff * _spatium);
}
break;
case CLEF_G3: // G clef 8va bassa on 2nd line
{
symbol->setSym(trebleclefSym);
yoff = 3.0 * curLineDist;
Symbol* number = new Symbol(score());
symbol->setMag(smag);
number->setSym(clefEightSym);
addElement(number, 1.0 * msp, 4.0 * msp + yoff * _spatium);
}
break;
case CLEF_F: // F clef on penultimate line
symbol->setSym(bassclefSym);
yoff = 1.0 * curLineDist;
break;
case CLEF_F8: // F clef 8va bassa on penultimate line
{
symbol->setSym(bassclefSym);
yoff = 1.0 * curLineDist;
Symbol* number = new Symbol(score());
symbol->setMag(smag);
number->setSym(clefEightSym);
addElement(number, .0, 4.5 * msp + yoff * _spatium);
}
break;
case CLEF_F15: // F clef 15ma bassa on penultimate line
{
symbol->setSym(bassclefSym);
yoff = 1.0 * curLineDist;
Symbol* number = new Symbol(score());
symbol->setMag(smag);
number->setSym(clefOneSym);
addElement(number, .0, 4.5 * msp + yoff * _spatium);
number = new Symbol(score());
number->setSym(clefFiveSym);
addElement(number, .8 * msp, 4.5 * msp + yoff * _spatium);
}
break;
case CLEF_F_B: // baritone clef
symbol->setSym(bassclefSym);
yoff = 2.0 * curLineDist;
break;
case CLEF_F_C: // subbass clef
symbol->setSym(bassclefSym);
yoff = 0.0;
break;
case CLEF_C1: // C clef in 1st line
symbol->setSym(altoclefSym);
yoff = 4.0 * curLineDist;
break;
case CLEF_C2: // C clef on 2nd line
symbol->setSym(altoclefSym);
yoff = 3.0 * curLineDist;
break;
case CLEF_C3: // C clef in 3rd line
symbol->setSym(altoclefSym);
yoff = 2.0 * curLineDist;
break;
case CLEF_C4: // C clef on 4th line
symbol->setSym(altoclefSym);
yoff = 1.0 * curLineDist;
break;
case CLEF_C5: // C clef on 5th line
symbol->setSym(altoclefSym);
yoff = 0.0;
break;
case CLEF_TAB: // TAB clef
symbol->setSym(tabclefSym);
// on tablature, position clef at half the number of spaces * line distance
yoff = curLineDist * (curLines - 1) * .5;
break; // TAB clef alternate style
case CLEF_TAB2:
symbol->setSym(tabclef2Sym);
// on tablature, position clef at half the number of spaces * line distance
yoff = curLineDist * (curLines - 1) * .5;
break;
case CLEF_PERC: // percussion clefs
case CLEF_PERC2:
symbol->setSym(percussionclefSym);
yoff = curLineDist * (curLines - 1) * 0.5;
break;
case CLEF_G4: // G clef in 1st line
symbol->setSym(trebleclefSym);
yoff = 4.0 * curLineDist;
break;
case CLEF_F_8VA: // F clef 8va on penultimate line
{
symbol->setSym(bassclefSym);
yoff = 1.0 * curLineDist;
Symbol* number = new Symbol(score());
number->setMag(smag);
number->setSym(clefEightSym);
addElement(number, .5 * msp, -1.5 * msp + yoff * _spatium);
}
break;
case CLEF_F_15MA: // F clef 15ma on penultimate line
{
symbol->setSym(bassclefSym);
yoff = 1.0 * curLineDist;
Symbol* number = new Symbol(score());
symbol->setMag(smag);
number->setSym(clefOneSym);
addElement(number, .0 * msp, -1.5 * msp + yoff * _spatium);
number = new Symbol(score());
number->setSym(clefFiveSym);
addElement(number, .8 * msp, -1.5 * msp + yoff * _spatium);
}
break;
case CLEF_INVALID:
case CLEF_MAX:
return;
}
symbol->setMag(smag * mag());
symbol->layout();
addElement(symbol, .0, yoff * _spatium);
setbbox(QRectF());
for (iElement i = elements.begin(); i != elements.end(); ++i) {
Element* e = *i;
e->setColor(curColor());
addbbox(e->bbox().translated(e->pos()));
e->setSelected(selected());
}
}
//---------------------------------------------------------
// draw
//---------------------------------------------------------
void Clef::draw(QPainter* painter) const
{
if (staff() && staff()->isTabStaff() && !staff()->staffType()->genClef())
return;
QColor color(curColor());
foreach(Element* e, elements) {
e->setColor(color);
QPointF pt(e->pos());
painter->translate(pt);
e->draw(painter);
painter->translate(-pt);
}
}
//---------------------------------------------------------
// acceptDrop
//---------------------------------------------------------
bool Clef::acceptDrop(MuseScoreView*, const QPointF&, Element* e) const
{
return e->type() == CLEF;
}
//---------------------------------------------------------
// drop
//---------------------------------------------------------
Element* Clef::drop(const DropData& data)
{
Element* e = data.element;
Clef* c = 0;
if (e->type() == CLEF) {
Clef* clef = static_cast<Clef*>(e);
ClefType stype = clef->clefType();
if (clefType() != stype) {
score()->undoChangeClef(staff(), segment(), stype);
c = this;
}
}
delete e;
return c;
}
//---------------------------------------------------------
// setSmall
//---------------------------------------------------------
void Clef::setSmall(bool val)
{
if (val != _small) {
_small = val;
curClefType = CLEF_INVALID;
}
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void Clef::read(XmlReader& e)
{
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "subtype")
setClefType(clefType(e.readElementText()));
else if (tag == "concertClefType")
_clefTypes._concertClef = Clef::clefType(e.readElementText());
else if (tag == "transposingClefType")
_clefTypes._transposingClef = Clef::clefType(e.readElementText());
else if (tag == "showCourtesyClef")
_showCourtesy = e.readInt();
else if (!Element::readProperties(e))
e.unknown();
}
if (score()->mscVersion() < 113)
setUserOff(QPointF());
if (clefType() == CLEF_INVALID)
setClefType(CLEF_G);
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void Clef::write(Xml& xml) const
{
xml.stag(name());
xml.tag("concertClefType", clefTable[_clefTypes._concertClef].tag);
xml.tag("transposingClefType", clefTable[_clefTypes._transposingClef].tag);
if (!_showCourtesy)
xml.tag("showCourtesyClef", _showCourtesy);
Element::writeProperties(xml);
xml.etag();
}
//---------------------------------------------------------
// tick
//---------------------------------------------------------
int Clef::tick() const
{
return segment() ? segment()->tick() : 0;
}
//---------------------------------------------------------
// setClefType
//---------------------------------------------------------
void Clef::setClefType(const QString& s)
{
ClefType ct = clefType(s);
if (ct == CLEF_INVALID) {
qDebug("Clef::setSubtype: unknown: <%s>\n", qPrintable(s));
ct = CLEF_G;
}
setClefType(ct);
}
//---------------------------------------------------------
// clefType
//---------------------------------------------------------
ClefType Clef::clefType(const QString& s)
{
ClefType ct = CLEF_G;
bool ok;
int i = s.toInt(&ok);
if (ok) {
//
// convert obsolete old coding
//
switch (i) {
default:
case 0: ct = CLEF_G; break;
case 1: ct = CLEF_G1; break;
case 2: ct = CLEF_G2; break;
case 3: ct = CLEF_G3; break;
case 4: ct = CLEF_F; break;
case 5: ct = CLEF_F8; break;
case 6: ct = CLEF_F15; break;
case 7: ct = CLEF_F_B; break;
case 8: ct = CLEF_F_C; break;
case 9: ct = CLEF_C1; break;
case 10: ct = CLEF_C2; break;
case 11: ct = CLEF_C3; break;
case 12: ct = CLEF_C4; break;
case 13: ct = CLEF_TAB; break;
case 14: ct = CLEF_PERC; break;
case 15: ct = CLEF_C5; break;
case 16: ct = CLEF_G4; break;
case 17: ct = CLEF_F_8VA; break;
case 18: ct = CLEF_F_15MA; break;
case 19: ct = CLEF_PERC2; break;
case 20: ct = CLEF_TAB2; break;
}
}
else {
for (unsigned i = 0; i < sizeof(clefTable)/sizeof(*clefTable); ++i) {
if (clefTable[i].tag == s) {
ct = ClefType(i);
break;
}
}
}
return ct;
}
//---------------------------------------------------------
// setClefType
//---------------------------------------------------------
void Clef::setClefType(ClefType i)
{
if (score()->concertPitch()) {
_clefTypes._concertClef = i;
if (_clefTypes._transposingClef == CLEF_INVALID)
_clefTypes._transposingClef = i;
}
else {
_clefTypes._transposingClef = i;
if (_clefTypes._concertClef == CLEF_INVALID)
_clefTypes._concertClef = i;
}
}
//---------------------------------------------------------
// setConcertClef
//---------------------------------------------------------
void Clef::setConcertClef(ClefType val)
{
_clefTypes._concertClef = val;
}
//---------------------------------------------------------
// setTransposingClef
//---------------------------------------------------------
void Clef::setTransposingClef(ClefType val)
{
_clefTypes._transposingClef = val;
}
//---------------------------------------------------------
// clefType
//---------------------------------------------------------
ClefType Clef::clefType() const
{
if (score()->concertPitch())
return _clefTypes._concertClef;
else
return _clefTypes._transposingClef;
}
//---------------------------------------------------------
// spatiumChanged
//---------------------------------------------------------
void Clef::spatiumChanged(qreal oldValue, qreal newValue)
{
layout1();
Element::spatiumChanged(oldValue, newValue);
}
//---------------------------------------------------------
// undoSetShowCourtesy
//---------------------------------------------------------
void Clef::undoSetShowCourtesy(bool v)
{
score()->undoChangeProperty(this, P_SHOW_COURTESY, v);
}
//---------------------------------------------------------
// getProperty
//---------------------------------------------------------
QVariant Clef::getProperty(P_ID propertyId) const
{
switch(propertyId) {
case P_SHOW_COURTESY: return showCourtesy();
case P_SMALL: return small();
default:
return Element::getProperty(propertyId);
}
}
//---------------------------------------------------------
// setProperty
//---------------------------------------------------------
bool Clef::setProperty(P_ID propertyId, const QVariant& v)
{
switch(propertyId) {
case P_SHOW_COURTESY: _showCourtesy = v.toBool(); break;
case P_SMALL: setSmall(v.toBool()); break;
default:
return Element::setProperty(propertyId, v);
}
return true;
}
//---------------------------------------------------------
// propertyDefault
//---------------------------------------------------------
QVariant Clef::propertyDefault(P_ID id) const
{
switch(id) {
case P_SHOW_COURTESY: return true;
case P_SMALL: return false;
default: return Element::propertyDefault(id);
}
}