MuseScore/libmscore/figuredbass.cpp
2013-02-27 11:26:58 +01:00

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//=============================================================================
// MuseScore
// Music Composition & Notation
// $Id: figuredbass.cpp 5526 2012-04-09 10:17:11Z lvinken $
//
// 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
//=============================================================================
#include "figuredbass.h"
#include "score.h"
#include "note.h"
#include "measure.h"
#include "system.h"
#include "segment.h"
// the array of configured fonts
static QList<FiguredBassFont> g_FBFonts;
//---------------------------------------------------------
// F I G U R E D B A S S I T E M
//---------------------------------------------------------
// used for indexed access to parenthesis chars
// (these is no normAccidToChar[], as accidentals may use mult. chars in normalized display):
const QChar FiguredBassItem::normParenthToChar[NumOfParentheses] =
{ 0, '(', ')', '[', ']'};
FiguredBassItem::FiguredBassItem(Score* s, int l)
: Element(s), ord(l)
{
_prefix = _suffix = ModifierNone;
_digit = FBIDigitNone;
parenth[0] = parenth[1] = parenth[2] = parenth[3] = parenth[4] = ParenthesisNone;
_contLine = ContLineNone;
}
FiguredBassItem::FiguredBassItem(const FiguredBassItem& item)
: Element(item)
{
ord = item.ord;
_prefix = item._prefix;
_digit = item._digit;
_suffix = item._suffix;
parenth[0] = item.parenth[0];
parenth[1] = item.parenth[1];
parenth[2] = item.parenth[2];
parenth[3] = item.parenth[3];
parenth[4] = item.parenth[4];
_contLine = item._contLine;
textWidth = item.textWidth;
_displayText= item._displayText;
}
FiguredBassItem::~FiguredBassItem()
{
}
//---------------------------------------------------------
// FiguredBassItem parse()
//
// converts a string into a property-based representation, if possible;
// return true on success | false if the string is non-conformant
//---------------------------------------------------------
bool FiguredBassItem::parse(QString& str)
{
int retVal;
parseParenthesis(str, 0);
retVal = parsePrefixSuffix(str, true); // prefix
if(retVal == -1)
return false;
parseParenthesis(str, 1);
retVal = parseDigit(str); // digit
if(retVal == -1)
return false;
parseParenthesis(str, 2);
retVal = parsePrefixSuffix(str, false); // suffix
if(retVal == -1)
return false;
parseParenthesis(str, 3);
// check for a possible cont. line symbol(s)
_contLine = ContLineNone; // contLine
if(str[0] == '-' || str[0] == '_') { // 1 symbol: simple continuation
_contLine = ContLineSimple;
str.remove(0, 1);
}
while(str[0] == '-' || str[0] == '_') { // more than 1 symbol: extended continuation
_contLine = ContLineExtended;
str.remove(0, 1);
}
parseParenthesis(str, 4);
// remove useless parentheses, moving external parentheses toward central digit element
if(_prefix == ModifierNone && parenth[1] == ParenthesisNone) {
parenth[1] = parenth[0];
parenth[0] = ParenthesisNone;
}
if(_digit == FBIDigitNone && parenth[2] == ParenthesisNone) {
parenth[2] = parenth[1];
parenth[1] = ParenthesisNone;
}
if(_contLine == ContLineNone && parenth[3] == ParenthesisNone) {
parenth[3] = parenth[4];
parenth[4] = ParenthesisNone;
}
if(_suffix == ModifierNone && parenth[2] == ParenthesisNone) {
parenth[2] = parenth[3];
parenth[3] = ParenthesisNone;
}
// some checks:
// if some extra input, str is not conformant
if(str.size())
return false;
// can't have BOTH prefix and suffix
// prefix, digit, suffix and cont.line cannot be ALL empty
// suffix cannot combine with empty digit
if( (_prefix != ModifierNone && _suffix != ModifierNone)
|| (_prefix == ModifierNone && _digit == FBIDigitNone && _suffix == ModifierNone && _contLine == ContLineNone)
|| ( (_suffix == ModifierCross || _suffix == ModifierBackslash || _suffix == ModifierSlash)
&& _digit == FBIDigitNone) )
return false;
return true;
}
//---------------------------------------------------------
// FiguredBassItem parsePrefixSuffix()
//
// scans str to extract prefix or suffix properties. Stops at the first char which cannot fit.
// Fitting chars are removed from str. DOES NOT generate any display text
//
// returns the number of QChar's read from str or -1 if prefix / suffix has an illegal format
// (no prefix / suffix at all IS legal)
//---------------------------------------------------------
int FiguredBassItem::parsePrefixSuffix(QString& str, bool bPrefix)
{
Modifier * dest = bPrefix ? &_prefix : &_suffix;
bool done = false;
int size = str.size();
str = str.trimmed();
*dest = ModifierNone;
while(str.size()) {
switch(str.at(0).unicode())
{
case 'b':
if(*dest != ModifierNone) {
if(*dest == ModifierFlat) // FLAT may double a previous FLAT
*dest = ModifierDoubleFlat;
else
return -1; // but no other combination is acceptable
}
*dest = ModifierFlat;
break;
case 'h':
if(*dest != ModifierNone) // cannot combine with any other accidental
return -1;
*dest = ModifierNatural;
break;
case '#':
if(*dest != ModifierNone) {
if(*dest == ModifierSharp) // SHARP may double a preivous SHARP
*dest = ModifierDoubleSharp;
else
return -1; // but no other combination is acceptable
}
*dest = ModifierSharp;
break;
case '+':
// accept '+' as both a prefix and a suffix for harmony notation
if(*dest != ModifierNone) // cannot combine with any other accidental
return -1;
*dest = ModifierCross;
break;
// '\\' and '/' go into the suffix
case '\\':
if(_suffix != ModifierNone) // cannot combine with any other accidental
return -1;
_suffix = ModifierBackslash;
break;
case '/':
if(_suffix != ModifierNone) // cannot combine with any other accidental
return -1;
_suffix = ModifierSlash;
break;
default: // any other char: no longer in prefix/suffix
done = true;
break;
}
if(done)
break;
str.remove(0,1); // 'eat' the char and continue
}
return size - str.size(); // return how many chars we had read into prefix/suffix
}
//---------------------------------------------------------
// FiguredBassItem parseDigit()
//
// scans str to extract digit properties. Stops at the first char which cannot belong to digit part.
// Fitting chars are removed from str. DOES NOT generate any display text
//
// returns the number of QChar's read from str or -1 if no legal digit can be constructed
// (no digit at all IS legal)
//---------------------------------------------------------
int FiguredBassItem::parseDigit(QString& str)
{
int size = str.size();
str = str.trimmed();
_digit = FBIDigitNone;
while(str.size()) {
// any digit acceptable, if no previous digit
if(str[0] >= '1' && str[0] <= '9') {
if(_digit == FBIDigitNone) {
_digit = str[0].unicode() - '0';
str.remove(0, 1);
}
else
return -1;
}
// anything else: no longer in digit part
else
break;
}
return size - str.size();
}
//---------------------------------------------------------
// FiguredBassItem parseParenthesis()
//
// scans str to extract a (possible) parenthesis, stores its code into parenth[parenthIdx]
// and removes it from str. Only looks at first str char.
//
// returns the number of QChar's read from str (actually 0 or 1).
//---------------------------------------------------------
int FiguredBassItem::parseParenthesis(QString& str, int parenthIdx)
{
int c = str[0].unicode();
Parenthesis code = ParenthesisNone;
switch(c)
{
case '(':
code =ParenthesisRoundOpen;
break;
case ')':
code =ParenthesisRoundClosed;
break;
case '[':
code =ParenthesisSquaredOpen;
break;
case ']':
code =ParenthesisSquaredClosed;
break;
default:
break;
}
parenth[parenthIdx] = code;
if(code != ParenthesisNone) {
str.remove(0, 1);
return 1;
}
return 0;
}
//---------------------------------------------------------
// FiguredBassItem normalizedText()
//
// returns a string with the normalized text, i.e. the text displayed while editing;
// this is a standard textual representation of the item properties
//---------------------------------------------------------
QString FiguredBassItem::normalizedText() const
{
QString str = QString();
if(parenth[0] != ParenthesisNone)
str.append(normParenthToChar[parenth[0]]);
if(_prefix != ModifierNone) {
switch(_prefix)
{
case ModifierFlat:
str.append('b');
break;
case ModifierNatural:
str.append('h');
break;
case ModifierSharp:
str.append('#');
break;
case ModifierCross:
str.append('+');
break;
case ModifierDoubleFlat:
str.append("bb");
break;
case ModifierDoubleSharp:
str.append("##");
break;
default:
break;
}
}
if(parenth[1] != ParenthesisNone)
str.append(normParenthToChar[parenth[1]]);
// digit
if(_digit != FBIDigitNone)
str.append(QChar('0' + _digit));
if(parenth[2] != ParenthesisNone)
str.append(normParenthToChar[parenth[2]]);
// suffix
if(_suffix != ModifierNone) {
switch(_suffix)
{
case ModifierFlat:
str.append('b');
break;
case ModifierNatural:
str.append('h');
break;
case ModifierSharp:
str.append('#');
break;
case ModifierCross:
str.append('+');
break;
case ModifierBackslash:
str.append('\\');
break;
case ModifierSlash:
str.append('/');
break;
case ModifierDoubleFlat:
str.append("bb");
break;
case ModifierDoubleSharp:
str.append("##");
break;
default:
break;
}
}
if(parenth[3] != ParenthesisNone)
str.append(normParenthToChar[parenth[3]]);
if(_contLine > ContLineNone) {
str.append('_');
if (_contLine > ContLineSimple)
str.append('_');
}
if(parenth[4] != ParenthesisNone)
str.append(normParenthToChar[parenth[4]]);
return str;
}
//---------------------------------------------------------
// FiguredBassItem write()
//---------------------------------------------------------
void FiguredBassItem::write(Xml& xml) const
{
xml.stag("FiguredBassItem");
xml.tagE(QString("brackets b0=\"%1\" b1=\"%2\" b2=\"%3\" b3=\"%4\" b4=\"%5\"")
.arg(parenth[0]) .arg(parenth[1]) .arg(parenth[2]) .arg(parenth[3]) .arg(parenth[4]) );
if(_prefix != ModifierNone)
xml.tag(QString("prefix"), _prefix);
if(_digit != FBIDigitNone)
xml.tag(QString("digit"), _digit);
if(_suffix != ModifierNone)
xml.tag(QString("suffix"), _suffix);
if(_contLine)
xml.tag("continuationLine", _contLine);
xml.etag();
}
//---------------------------------------------------------
// FiguredBassItem read()
//---------------------------------------------------------
void FiguredBassItem::read(XmlReader& e)
{
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "brackets") {
parenth[0] = (Parenthesis)e.intAttribute("b0");
parenth[1] = (Parenthesis)e.intAttribute("b1");
parenth[2] = (Parenthesis)e.intAttribute("b2");
parenth[3] = (Parenthesis)e.intAttribute("b3");
parenth[4] = (Parenthesis)e.intAttribute("b4");
e.readNext();
}
else if (tag == "prefix")
_prefix = (Modifier)(e.readInt());
else if (tag == "digit")
_digit = e.readInt();
else if (tag == "suffix")
_suffix = (Modifier)(e.readInt());
else if(tag == "continuationLine")
_contLine = (ContLine)(e.readInt());
else if (!Element::readProperties(e))
e.unknown();
}
}
//---------------------------------------------------------
// FiguredBassItem layout()
// creates the display text (set as element text) and computes
// the horiz. offset needed to align the right part as well as the vert. offset
//---------------------------------------------------------
void FiguredBassItem::layout()
{
qreal h, w, x, x1, x2, y;
// contruct font metrics
int fontIdx = 0;
QFont f(g_FBFonts.at(fontIdx).family);
// font size in points, scaled according to spatium()
qreal m = score()->styleD(ST_figuredBassFontSize) * spatium() / ( SPATIUM20 * MScore::DPI);
f.setPointSizeF(m);
QFontMetrics fm(f);
QString str = QString();
x = symbols[score()->symIdx()][quartheadSym].width(magS()) * .5;
x1 = x2 = 0.0;
// create display text
int font = 0;
int style = score()->styleI(ST_figuredBassStyle);
if(parenth[0] != ParenthesisNone)
str.append(g_FBFonts.at(font).displayParenthesis[parenth[0]]);
// prefix
if(_prefix != ModifierNone) {
// if no digit, the string created so far 'hangs' to the left of the note
if(_digit == FBIDigitNone)
x1 = fm.width(str);
str.append(g_FBFonts.at(font).displayAccidental[_prefix]);
// if no digit, the string from here onward 'hangs' to the right of the note
if(_digit == FBIDigitNone)
x2 = fm.width(str);
}
if(parenth[1] != ParenthesisNone)
str.append(g_FBFonts.at(font).displayParenthesis[parenth[1]]);
// digit
if(_digit != FBIDigitNone) {
// if some digit, the string created so far 'hangs' to the left of the note
x1 = fm.width(str);
// if suffix is a combining shape, combine it with digit
// unless there is a parenthesis in between
if( (_suffix == ModifierCross || _suffix == ModifierBackslash || _suffix == ModifierSlash)
&& parenth[2] == ParenthesisNone)
str.append(g_FBFonts.at(font).displayDigit[style][_digit][_suffix-(ModifierCross-1)]);
else
str.append(g_FBFonts.at(font).displayDigit[style][_digit][0]);
// if some digit, the string from here onward 'hangs' to the right of the note
x2 = fm.width(str);
}
if(parenth[2] != ParenthesisNone)
str.append(g_FBFonts.at(font).displayParenthesis[parenth[2]]);
// suffix
// append only if non-combining shape or cannot combine (no digit or parenthesis in between)
if( _suffix != ModifierNone
&& ( (_suffix != ModifierCross && _suffix != ModifierBackslash && _suffix != ModifierSlash)
|| _digit == FBIDigitNone
|| parenth[2] != ParenthesisNone) )
str.append(g_FBFonts.at(font).displayAccidental[_suffix]);
if(parenth[3] != ParenthesisNone)
str.append(g_FBFonts.at(font).displayParenthesis[parenth[3]]);
setDisplayText(str); // this text will be displayed
if (str.size()) // if some text
x = x - (x1+x2) * 0.5; // position the text so that [x1<-->x2] is centered below the note
else // if no text (but possibly a line)
x = 0; // start at note left margin
// vertical position
h = fm.lineSpacing();
h *= score()->styleD(ST_figuredBassLineHeight);
if (score()->styleI(ST_figuredBassAlignment) == 0) // top alignment: stack down from first item
y = h * ord;
else // bottom alignment: stack up from last item
y = -h * (figuredBass()->numOfItems() - ord);
setPos(x, y);
// determine bbox from text width
// w = fm.width(str);
w = fm.boundingRect(str).width();
textWidth = w;
// if there is a cont.line, extend width to cover the whole FB element duration line
int lineLen;
if(_contLine != ContLineNone && (lineLen=figuredBass()->lineLength(0)) > w)
w = lineLen;
bbox().setRect(0, 0, w, h);
}
//---------------------------------------------------------
// FiguredBassItem draw()
//---------------------------------------------------------
void FiguredBassItem::draw(QPainter* painter) const
{
int font = 0;
// set font from general style
QFont f(g_FBFonts.at(font).family);
#ifdef USE_GLYPHS
f.setHintingPreference(QFont::PreferVerticalHinting);
#endif
// font size in pixels, scaled according to spatium()
qreal m = score()->styleD(ST_figuredBassFontSize) * MScore::DPI / PPI;
m *= spatium() / (SPATIUM20 * MScore::DPI); // make spatium dependent
f.setPixelSize(lrint(m));
painter->setFont(f);
painter->setBrush(Qt::NoBrush);
painter->setPen(figuredBass()->curColor());
painter->drawText(bbox(), Qt::TextDontClip | Qt::AlignLeft | Qt::AlignTop, displayText());
// continuation line
qreal lineEndX = 0.0;
if (_contLine > ContLineNone) {
qreal _spatium = spatium();
qreal lineStartX = textWidth; // by default, line starts right after text
if (lineStartX > 0.0)
lineStartX += _spatium * 0.1; // if some text, give some room after it
lineEndX = figuredBass()->lineLength(0); // by default, line ends where FB ends
// extended cont.line and no closing parenthesis: look at next FB element
if (_contLine > ContLineSimple && parenth[4] == ParenthesisNone) {
FiguredBass * nextFB;
// if there is a contiguous FB element
if ( (nextFB=figuredBass()->nextFiguredBass()) != 0) {
// retrieve the X position (in page coords) of a possible cont. line of nextFB
// on the same line of 'this'
QPointF pgPos = pagePos();
qreal nextContPageX = nextFB->additionalContLineX(pgPos.y());
// if an additional cont. line has been found, extend up to its initial X coord
if (nextContPageX > 0)
lineEndX = nextContPageX - pgPos.x() + _spatium*0.125; // with a little bit of overlap
}
}
qreal h = bbox().height() * 0.875;
painter->drawLine(lineStartX, h, lineEndX - ipos().x(), h);
}
// closing cont.line parenthesis
if(parenth[4] != ParenthesisNone) {
int x = lineEndX > 0.0 ? lineEndX : textWidth;
painter->drawText(QRectF(x, 0, bbox().width(), bbox().height()), Qt::AlignLeft | Qt::AlignTop,
g_FBFonts.at(font).displayParenthesis[parenth[4]]);
}
}
//---------------------------------------------------------
// PROPERTY METHODS
//---------------------------------------------------------
QVariant FiguredBassItem::getProperty(P_ID propertyId) const
{
switch(propertyId) {
case P_FBPREFIX:
return _prefix;
case P_FBDIGIT:
return _digit;
case P_FBSUFFIX:
return _suffix;
case P_FBCONTINUATIONLINE:
return _contLine;
case P_FBPARENTHESIS1:
return parenth[0];
case P_FBPARENTHESIS2:
return parenth[1];
case P_FBPARENTHESIS3:
return parenth[2];
case P_FBPARENTHESIS4:
return parenth[3];
case P_FBPARENTHESIS5:
return parenth[4];
default:
return Element::getProperty(propertyId);
}
}
bool FiguredBassItem::setProperty(P_ID propertyId, const QVariant& v)
{
score()->addRefresh(canvasBoundingRect());
int val = v.toInt();
switch(propertyId) {
case P_FBPREFIX:
if(val < ModifierNone || val > ModifierCross)
return false;
_prefix = (Modifier)val;
break;
case P_FBDIGIT:
if(val < 1 || val > 9)
return false;
_digit = val;
break;
case P_FBSUFFIX:
if(val < ModifierNone || val >= NumOfModifiers)
return false;
_suffix = (Modifier)val;
break;
case P_FBCONTINUATIONLINE:
_contLine = (ContLine)val;
break;
case P_FBPARENTHESIS1:
if(val < ParenthesisNone || val > ParenthesisSquaredClosed)
return false;
parenth[0] = (Parenthesis)val;
break;
case P_FBPARENTHESIS2:
if(val < ParenthesisNone || val > ParenthesisSquaredClosed)
return false;
parenth[1] = (Parenthesis)val;
break;
case P_FBPARENTHESIS3:
if(val < ParenthesisNone || val > ParenthesisSquaredClosed)
return false;
parenth[2] = (Parenthesis)val;
break;
case P_FBPARENTHESIS4:
if(val < ParenthesisNone || val > ParenthesisSquaredClosed)
return false;
parenth[3] = (Parenthesis)val;
break;
case P_FBPARENTHESIS5:
if(val < ParenthesisNone || val > ParenthesisSquaredClosed)
return false;
parenth[4] = (Parenthesis)val;
break;
default:
return Element::setProperty(propertyId, v);
}
score()->setLayoutAll(true);
return true;
}
QVariant FiguredBassItem::propertyDefault(P_ID id) const
{
switch(id) {
case P_FBPREFIX:
case P_FBSUFFIX:
return ModifierNone;
case P_FBDIGIT:
return FBIDigitNone;
case P_FBCONTINUATIONLINE:
return false;
default:
return Element::propertyDefault(id);
}
}
//---------------------------------------------------------
// UNDOABLE PROPERTY SETTERS
//---------------------------------------------------------
void FiguredBassItem::undoSetPrefix(Modifier pref)
{
if(pref <= ModifierCross) {
score()->undoChangeProperty(this, P_FBPREFIX, (int)pref);
// if setting some prefix and there is a suffix already, clear suffix
if(pref != ModifierNone && _suffix != ModifierNone)
score()->undoChangeProperty(this, P_FBSUFFIX, ModifierNone);
layout(); // re-generate displayText
}
}
void FiguredBassItem::undoSetDigit(int digit)
{
if(digit >= 0 && digit <= 9) {
score()->undoChangeProperty(this, P_FBDIGIT, digit);
layout(); // re-generate displayText
}
}
void FiguredBassItem::undoSetSuffix(Modifier suff)
{
score()->undoChangeProperty(this, P_FBSUFFIX, suff);
// if setting some suffix and there is a prefix already, clear prefix
if(suff != ModifierNone && _prefix != ModifierNone)
score()->undoChangeProperty(this, P_FBPREFIX, ModifierNone);
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetContLine(bool val)
{
score()->undoChangeProperty(this, P_FBCONTINUATIONLINE, val);
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetParenth1(Parenthesis par)
{
score()->undoChangeProperty(this, P_FBPARENTHESIS1, par);
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetParenth2(Parenthesis par)
{
score()->undoChangeProperty(this, P_FBPARENTHESIS2, par);
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetParenth3(Parenthesis par)
{
score()->undoChangeProperty(this, P_FBPARENTHESIS3, par);
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetParenth4(Parenthesis par)
{
score()->undoChangeProperty(this, P_FBPARENTHESIS4, par);
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetParenth5(Parenthesis par)
{
score()->undoChangeProperty(this, P_FBPARENTHESIS5, par);
layout(); // re-generate displayText
}
//---------------------------------------------------------
//
// MusicXML I/O
//
//---------------------------------------------------------
//---------------------------------------------------------
// Convert MusicXML prefix/suffix to Modifier
//---------------------------------------------------------
// TODO add missing non-accidental types
FiguredBassItem::Modifier FiguredBassItem::MusicXML2Modifier(const QString prefix) const
{
if (prefix == "sharp")
return ModifierSharp;
else if (prefix == "flat")
return ModifierFlat;
else if (prefix == "natural")
return ModifierNatural;
else if (prefix == "double-sharp")
return ModifierDoubleSharp;
else if (prefix == "flat-flat")
return ModifierDoubleFlat;
else if (prefix == "sharp-sharp")
return ModifierDoubleSharp;
else if (prefix == "slash")
return ModifierSlash;
else
return ModifierNone;
}
//---------------------------------------------------------
// Convert Modifier to MusicXML prefix/suffix
//---------------------------------------------------------
// TODO add missing non-accidental types
QString FiguredBassItem::Modifier2MusicXML(FiguredBassItem::Modifier prefix) const
{
switch (prefix) {
case ModifierNone: return "";
case ModifierDoubleFlat: return "flat-flat";
case ModifierFlat: return "flat";
case ModifierNatural: return "natural";
case ModifierSharp: return "sharp";
case ModifierDoubleSharp: return "double-sharp";
case ModifierCross: return ""; // TODO TBD
case ModifierBackslash: return ""; // TODO TBD
case ModifierSlash: return "slash";
case NumOfModifiers: return ""; // prevent gcc "FBINumOfAccid not handled in switch" warning
}
return "";
}
//---------------------------------------------------------
// Read MusicXML
//
// Set the FiguredBassItem state based on the MusicXML <figure> node de.
// In MusicXML, parentheses is set to "yes" or "no" for the figured-bass
// node instead of for each individual <figure> node.
//---------------------------------------------------------
#if 0
void FiguredBassItem::readMusicXML(XmlReader& e, bool paren, bool& extend)
{
// read the <figure> node de
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "extend")
extend = true;
else if (tag == "figure-number") {
// MusicXML spec states figure-number is a number
// MuseScore can only handle single digit
int iVal = e.readInt();
if (1 <= iVal && iVal <= 9)
_digit = iVal;
}
else if (tag == "prefix")
_prefix = MusicXML2Modifier(e.readElementText());
else if (tag == "suffix")
_suffix = MusicXML2Modifier(e.readElementText());
else
e.unknown();
}
// set parentheses
if (paren) {
// parenthesis open
if (_prefix != ModifierNone)
parenth[0] = ParenthesisRoundOpen; // before prefix
else if (_digit != FBIDigitNone)
parenth[1] = ParenthesisRoundOpen; // before digit
else if (_suffix != ModifierNone)
parenth[2] = ParenthesisRoundOpen; // before suffix
// parenthesis close
if (_suffix != ModifierNone)
parenth[3] = ParenthesisRoundClosed; // after suffix
else if (_digit != FBIDigitNone)
parenth[2] = ParenthesisRoundClosed; // after digit
else if (_prefix != ModifierNone)
parenth[1] = ParenthesisRoundClosed; // after prefix
}
}
#endif
//---------------------------------------------------------
// Write MusicXML
//---------------------------------------------------------
void FiguredBassItem::writeMusicXML(Xml& xml, bool doFigure, bool doExtend) const
{
xml.stag("figure");
if (doFigure) {
QString strPrefix = Modifier2MusicXML(_prefix);
if (strPrefix != "")
xml.tag("prefix", strPrefix);
if (_digit != FBIDigitNone)
xml.tag("figure-number", _digit);
QString strSuffix = Modifier2MusicXML(_suffix);
if (strSuffix != "")
xml.tag("suffix", strSuffix);
}
if (doExtend) {
xml.tagE("extend");
}
xml.etag();
}
//---------------------------------------------------------
// startsWithParenthesis
//---------------------------------------------------------
bool FiguredBassItem::startsWithParenthesis() const
{
if (_prefix != ModifierNone)
return (parenth[0] != ParenthesisNone);
if (_digit != FBIDigitNone)
return (parenth[1] != ParenthesisNone);
if (_suffix != ModifierNone)
return (parenth[2] != ParenthesisNone);
return false;
}
//---------------------------------------------------------
// F I G U R E D B A S S
//---------------------------------------------------------
#include "chord.h"
#include "rest.h"
FiguredBass::FiguredBass(Score* s)
: Text(s)
{
setOnNote(true);
setTextStyleType(TEXT_STYLE_FIGURED_BASS);
TextStyle st("figBass", g_FBFonts[0].family, score()->styleD(ST_figuredBassFontSize),
false, false, false, ALIGN_LEFT | ALIGN_TOP, QPointF(0, score()->styleD(ST_figuredBassYOffset)), OFFSET_SPATIUM);
st.setSizeIsSpatiumDependent(true);
setTextStyle(st);
setTicks(0);
items.clear();
}
FiguredBass::FiguredBass(const FiguredBass& fb)
: Text(fb)
{
setOnNote(fb.onNote());
setTicks(fb.ticks());
items = fb.items;
}
FiguredBass::~FiguredBass()
{
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void FiguredBass::write(Xml& xml) const
{
xml.stag("FiguredBass");
if(!onNote())
xml.tag("onNote", onNote());
if (ticks() > 0)
xml.tag("ticks", ticks());
if (textStyleType() != TEXT_STYLE_FIGURED_BASS) {
if (textStyleType() == TEXT_STYLE_UNSTYLED)
Text::writeProperties(xml, true);
else
xml.tag("style", textStyleType());
}
foreach(FiguredBassItem item, items)
item.write(xml);
if (textStyleType() != TEXT_STYLE_UNSTYLED)
Element::writeProperties(xml);
xml.etag();
}
//---------------------------------------------------------
// read
//---------------------------------------------------------
void FiguredBass::read(XmlReader& e)
{
QString normalizedText;
int idx = 0;
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "ticks")
setTicks(e.readInt());
else if (tag == "onNote")
setOnNote(e.readInt() != 0l);
else if (tag == "FiguredBassItem") {
FiguredBassItem * pItem = new FiguredBassItem(score(), idx++);
pItem->setTrack(track());
pItem->setParent(this);
pItem->read(e);
items.append(*pItem);
// add item normalized text
if(!normalizedText.isEmpty())
normalizedText.append('\n');
normalizedText.append(pItem->normalizedText());
}
else if (tag == "style")
setTextStyleType(e.readInt());
else if (!Text::readProperties(e))
e.unknown();
}
// if text is styled, set normalized text
if(textStyleType() != TEXT_STYLE_UNSTYLED)
setText(normalizedText); // this is the text to show while editing
}
//---------------------------------------------------------
// layout
//---------------------------------------------------------
void FiguredBass::layout()
{
// qreal y;
// if 'our' style, force 'our' style data from FiguredBass parameters
if(textStyleType() == TEXT_STYLE_FIGURED_BASS) {
TextStyle st("figBass", g_FBFonts[0].family, score()->styleD(ST_figuredBassFontSize),
false, false, false, ALIGN_LEFT | ALIGN_TOP, QPointF(0, score()->styleD(ST_figuredBassYOffset)),
OFFSET_SPATIUM);
st.setSizeIsSpatiumDependent(true);
setTextStyle(st);
}
Text::layout(); // Text and/or SimpleText may expect some internal data to be setup
layoutLines();
// if style has been changed (or text not styled), do nothing else, keeping default laying out and formatting
if(textStyleType() != TEXT_STYLE_FIGURED_BASS)
return;
/* already taken into account by Text::layout()
// vertical position
y = 0; // default vert. pos.
// if a staff exists for this F.B., use its y position
if(parent() && track() >= 0) {
System* sys = ((Segment*)parent())->measure()->system();
if (sys == 0)
qDebug("FiguredBass layout: no system!");
else {
SysStaff* staff = sys->staff(staffIdx());
y = staff->y();
}
}
y += point(score()->styleS(ST_figuredBassYOffset));
*/
// bounding box
if(editMode()) {
qreal h, w, w1;
QFontMetricsF fm(textStyle().font(spatium()));
// box width
w = 0;
QStringList list = text().split('\n');
foreach(QString str, list) {
w1 = fm.width(str);
if(w1 > w)
w = w1;
}
// bbox height
h = fm.lineSpacing();
h *= score()->styleD(ST_figuredBassLineHeight);
h *= (list.size() > 1 ? list.size() : 1); // at least 1 line
// ready to set position and bbox
// setPos(0, y);
bbox().setRect(0-2, 0-2, w+4, h+4);
}
else
{
// setPos(0, y);
bbox().setRect(0, 0, _lineLenghts.at(0), 0);
// if element could be parsed into items, layout each element
if(items.size() > 0) {
// layout each item and enlarge bbox to include items bboxes
for(int i=0; i < items.size(); i++) {
items[i].layout();
addbbox(items[i].bbox().translated(items[i].pos()));
}
}
}
// adjustReadPos(); // already taken into account by Text::layout()
}
//---------------------------------------------------------
// layoutLines
//
// lays out the duration indicator line(s), filling the _lineLengths array
//---------------------------------------------------------
void FiguredBass::layoutLines()
{
if(_ticks <= 0) {
NoLen:
_lineLenghts.resize(1);
_lineLenghts[0] = 0;
return;
}
// Adapted from System::layoutLyrics(Lyrics* l, Segment* s, int staffIdx) (system.cpp, line 829 and foll)
Segment * nextSegm; // the Segment beyond this' segment
int nextTick = segment()->tick() + _ticks; // the tick beyond this' duration
// locate the measure containing the last tick of this; it is either:
// the same measure containing nextTick, if nextTick is not the first tick of a measure
// (and line should stop right before it)
// or the previous measure, if nextTick is the first tick of a measure
// (and line should stop before any measure terminal segment (bar, clef, ...) )
Measure* m = score()->tick2measure(nextTick-1);
if (m != 0) {
// locate the first segment (of ANY type) right after this' last tick
for (nextSegm = m->first(Segment::SegAll); nextSegm; ) {
if(nextSegm->tick() >= nextTick)
break;
nextSegm = nextSegm->next();
}
}
if (m == 0 || nextSegm == 0) {
qDebug("FiguredBass layout: no segment found for tick %d\n", nextTick);
goto NoLen;
}
QList<System*>* systems = score()->systems();
System* s1 = segment()->measure()->system();
System* s2 = nextSegm->measure()->system();
int sysIdx1 = systems->indexOf(s1);
int sysIdx2 = systems->indexOf(s2);
int i, len ,segIdx;
for (i = sysIdx1, segIdx = 0; i <= sysIdx2; ++i, ++segIdx) {
len = 0;
if (sysIdx1 == sysIdx2 || i == sysIdx1) {
// single line
len = nextSegm->pageX() - pageX() - 4; // stop 4 raster units before next segm
}
else if (i == sysIdx1) {
// initial line
qreal w = s1->staff(staffIdx())->right();
qreal x = s1->pageX() + w;
len = x - pageX();
}
else if (i > 0 && i != sysIdx2) {
// middle line
qDebug("FiguredBass: duration indicator middle line not implemented");
}
else if (i == sysIdx2) {
// end line
qDebug("FiguredBass: duration indicator end line not implemented");
}
// store length item, reusing array items if already present
if (_lineLenghts.size() <= segIdx)
_lineLenghts.append(len);
else
_lineLenghts[segIdx] = len;
}
// if more array items than needed, truncate array
if(_lineLenghts.size() > segIdx)
_lineLenghts.resize(segIdx);
}
//---------------------------------------------------------
// draw
//---------------------------------------------------------
void FiguredBass::draw(QPainter* painter) const
{
// if not printing, draw duration line(s)
if( !score()->printing() ) {
foreach(qreal len, _lineLenghts)
if(len > 0) {
painter->setPen(QPen(Qt::lightGray, 1));
painter->drawLine(0.0, -2, len, -2); // -2: 2 rast. un. above digits
}
}
// if in edit mode or with custom style, use default drawing
if(editMode() || textStyleType() != TEXT_STYLE_FIGURED_BASS)
Text::draw(painter);
else {
if(items.size() < 1)
Text::draw(painter);
else
foreach(FiguredBassItem item, items) {
painter->translate(item.pos());
item.draw(painter);
painter->translate(-item.pos());
}
}
/* DEBUG
QString str = QString();
str.setNum(_ticks);
painter->drawText(0, (_onNote ? 40 : 30), str);
*/
}
//---------------------------------------------------------
// endEdit
//---------------------------------------------------------
void FiguredBass::endEdit()
{
int idx;
Text::endEdit();
QString txt = text();
if(txt.isEmpty()) { // if no text, nothing to do
return;
}
// split text into lines and create an item for each line
QStringList list = txt.split('\n', QString::SkipEmptyParts);
items.clear();
QString normalizedText = QString();
idx = 0;
foreach(QString str, list) {
FiguredBassItem* pItem = new FiguredBassItem(score(), idx++);
if(!pItem->parse(str)) { // if any item fails parsing
items.clear(); // clear item list
Text::layout(); // keeping text as entered by user
return;
}
pItem->setTrack(track());
pItem->setParent(this);
items.append(*pItem);
// add item normalized text
if(!normalizedText.isEmpty())
normalizedText.append('\n');
normalizedText.append(pItem->normalizedText());
}
// if all items parsed and text is styled, replaced entered text with normalized text
if(textStyleType() != TEXT_STYLE_UNSTYLED) {
setText(normalizedText);
layout();
}
}
//---------------------------------------------------------
// setSelected /setVisible
//
// forward flags to items
//---------------------------------------------------------
void FiguredBass::setSelected(bool flag)
{
Element::setSelected(flag);
for(int i=0; i < items.size(); i++) {
items[i].setSelected(flag);
}
}
void FiguredBass::setVisible(bool flag)
{
Element::setVisible(flag);
for(int i=0; i < items.size(); i++) {
items[i].setVisible(flag);
}
}
//---------------------------------------------------------
// nextFiguredBass
//
// returns the next *contiguous* FiguredBass element if it exists,
// i.e. the FiguredBass element which starts where 'this' ends
// returns 0 if none
//---------------------------------------------------------
FiguredBass* FiguredBass::nextFiguredBass() const
{
if (_ticks <= 0) // if _ticks unset, no clear idea of when 'this' ends
return 0;
Segment * nextSegm; // the Segment beyond this' segment
int nextTick = segment()->tick() + _ticks; // the tick beyond this' duration
// locate the ChordRest segment right after this' end
nextSegm = score()->tick2segment(nextTick, true, Segment::SegChordRest);
if (nextSegm == 0)
return 0;
// scan segment annotations for an existing FB element in the this' staff
const QList<Element*>& annot = nextSegm->annotations();
int i;
int count = annot.size();
for(i = 0; i < count; i++)
if(annot.at(i)->type() == FIGURED_BASS && annot.at(i)->track() == track())
return static_cast<FiguredBass*>(annot.at(i));
return 0;
}
//---------------------------------------------------------
// additionalContLineX
//
// if there is a continuation line, without other text elements, at pagePosY, returns its X coord (in page coords)
// returns 0 if no cont.line there or if there are text elements before the cont.line
//
// In practice, returns the X coord of a cont. line which can be the continuation of a previous cont. line
//
// Note: pagePosY is the Y coord of the FiguredBassItem containing the line, not of the line itself,
// as line position might depend on styles.
//---------------------------------------------------------
qreal FiguredBass::additionalContLineX(qreal pagePosY) const
{
QPointF pgPos = pagePos();
foreach (FiguredBassItem fbi, items)
// if item has cont.line but nothing before it
// and item Y coord near enough to pagePosY
if(fbi.contLine()
&& fbi.digit() == FBIDigitNone
&& fbi.prefix() == FiguredBassItem::ModifierNone
&& fbi.suffix() == FiguredBassItem::ModifierNone
&& fbi.parenth4() == FiguredBassItem::ParenthesisNone
&& qAbs(pgPos.y() + fbi.ipos().y() - pagePosY) < 0.05)
return pgPos.x() + fbi.ipos().x();
return 0.0; // no suitable line
}
//---------------------------------------------------------
// PROPERTY METHODS
//---------------------------------------------------------
QVariant FiguredBass::getProperty(P_ID propertyId) const
{
switch(propertyId) {
default:
return Text::getProperty(propertyId);
}
}
bool FiguredBass::setProperty(P_ID propertyId, const QVariant& v)
{
score()->addRefresh(canvasBoundingRect());
switch(propertyId) {
default:
return Text::setProperty(propertyId, v);
}
score()->setLayoutAll(true);
return true;
}
QVariant FiguredBass::propertyDefault(P_ID id) const
{
switch(id) {
default:
return Text::propertyDefault(id);
}
}
//---------------------------------------------------------
// TEMPORARY HACK!!!
//---------------------------------------------------------
FiguredBassItem * FiguredBass::addItem()
{
int line = items.size();
FiguredBassItem fib(score(), line);
items.append(fib);
return &(items.last());
}
//---------------------------------------------------------
// STATIC FUNCTION
// adding a new FiguredBass to a Segment;
// the main purpose of this function is to ensure that ONLY ONE F.b. element exists for each Segment/staff;
// it either re-uses an existing FiguredBass or creates a new one if none if found;
// returns the FiguredBass and sets pNew to true if it has been newly created.
//
// Sets an initial duration of the element up to the next ChordRest of the same staff.
//
// As the F.b. very concept requires the base chord to have ONLY ONE note,
// FiguredBass elements are created and looked for only in the first track of the staff.
//---------------------------------------------------------
FiguredBass * FiguredBass::addFiguredBassToSegment(Segment * seg, int track, int extTicks, bool * pNew)
{
int endTick; // where this FB is initially assumed to end
int staff = track / VOICES; // convert track to staff
track = staff * VOICES; // first track for this staff
// scan segment annotations for an existing FB element in the same staff
const QList<Element*>& annot = seg->annotations();
int i;
int count = annot.size();
FiguredBass* fb;
for(i = 0; i < count; i++) {
if(annot.at(i)->type() == FIGURED_BASS && (annot.at(i)->track() / VOICES) == staff) {
// an FB already exists in segment: re-use it
fb = static_cast<FiguredBass*>(annot.at(i));
*pNew = false;
endTick = seg->tick() + fb->ticks();
break;
}
}
if(i >= count) { // no FB at segment: create new
fb = new FiguredBass(seg->score());
fb->setTrack(track);
fb->setParent(seg);
// locate next SegChordRest in the same staff to estimate presumed duration of element
endTick = INT_MAX;
Segment * nextSegm;
for (int iVoice = 0; iVoice < VOICES; iVoice++) {
nextSegm = seg->nextCR(track + iVoice);
if(nextSegm && nextSegm->tick() < endTick)
endTick = nextSegm->tick();
}
if(endTick == INT_MAX) { // no next segment: set up to score end
Measure * meas = seg->score()->lastMeasure();
endTick = meas->tick() + meas->ticks();
}
fb->setTicks(endTick - seg->tick());
// set onNote status
fb->setOnNote(false); // assume not onNote
for(i = track; i < track + VOICES; i++) // if segment has chord in staff, set onNote
if(seg->element(i) && seg->element(i)->type() == CHORD) {
fb->setOnNote(true);
break;
}
*pNew = true;
}
// if we are extending a previous FB
if(extTicks > 0) {
// locate previous FB for same staff
Segment * prevSegm;
FiguredBass* prevFB = 0;
for(prevSegm = seg->prev1(Segment::SegChordRest); prevSegm; prevSegm = prevSegm->prev1(Segment::SegChordRest)) {
const QList<Element*>& annot = prevSegm->annotations();
count = annot.size();
for(i = 0; i < count; i++) {
if(annot.at(i)->type() == FIGURED_BASS && (annot.at(i)->track() ) == track) {
prevFB = static_cast<FiguredBass*>(annot[i]); // previous FB found
break;
}
}
if(prevFB) {
// if previous FB did not stop more than extTicks before this FB...
int delta = seg->tick() - prevFB->segment()->tick();
if(prevFB->ticks() + extTicks >= delta)
prevFB->setTicks(delta); // update prev FB ticks to last up to this FB
break;
}
}
}
return fb;
}
//---------------------------------------------------------
// STATIC FUNCTIONS FOR FONT CONFIGURATION MANAGEMENT
//---------------------------------------------------------
bool FiguredBassFont::read(XmlReader& e)
{
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "family")
family = e.readElementText();
else if (tag == "displayName")
displayName = e.readElementText();
else if (tag == "defaultPitch")
defPitch = e.readDouble();
else if (tag == "defaultLineHeight")
defLineHeight = e.readDouble();
else if (tag == "parenthesisRoundOpen")
displayParenthesis[1] = e.readElementText()[0];
else if (tag == "parenthesisRoundClosed")
displayParenthesis[2] = e.readElementText()[0];
else if (tag == "parenthesisSquareOpen")
displayParenthesis[3] = e.readElementText()[0];
else if (tag == "parenthesisSquareClosed")
displayParenthesis[4] = e.readElementText()[0];
else if (tag == "doubleflat")
displayAccidental[FiguredBassItem::ModifierDoubleFlat]= e.readElementText()[0];
else if (tag == "flat")
displayAccidental[FiguredBassItem::ModifierFlat] = e.readElementText()[0];
else if (tag == "natural")
displayAccidental[FiguredBassItem::ModifierNatural] = e.readElementText()[0];
else if (tag == "sharp")
displayAccidental[FiguredBassItem::ModifierSharp] = e.readElementText()[0];
else if (tag == "doublesharp")
displayAccidental[FiguredBassItem::ModifierDoubleSharp]= e.readElementText()[0];
else if (tag == "cross")
displayAccidental[FiguredBassItem::ModifierCross] = e.readElementText()[0];
else if (tag == "backslash")
displayAccidental[FiguredBassItem::ModifierBackslash] = e.readElementText()[0];
else if (tag == "slash")
displayAccidental[FiguredBassItem::ModifierSlash] = e.readElementText()[0];
else if (tag == "digit") {
int digit = e.intAttribute("value");
if (digit < 0 || digit > 9)
return false;
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "simple")
displayDigit[FiguredBassItem::StyleModern] [digit][FiguredBassItem::CombSimple] = e.readElementText()[0];
else if (tag == "crossed")
displayDigit[FiguredBassItem::StyleModern] [digit][FiguredBassItem::CombCrossed] = e.readElementText()[0];
else if (tag == "backslashed")
displayDigit[FiguredBassItem::StyleModern] [digit][FiguredBassItem::CombBackslashed] = e.readElementText()[0];
else if (tag == "slashed")
displayDigit[FiguredBassItem::StyleModern] [digit][FiguredBassItem::CombSlashed] = e.readElementText()[0];
else if (tag == "simpleHistoric")
displayDigit[FiguredBassItem::StyleHistoric][digit][FiguredBassItem::CombSimple] = e.readElementText()[0];
else if (tag == "crossedHistoric")
displayDigit[FiguredBassItem::StyleHistoric][digit][FiguredBassItem::CombCrossed] = e.readElementText()[0];
else if (tag == "backslashedHistoric")
displayDigit[FiguredBassItem::StyleHistoric][digit][FiguredBassItem::CombBackslashed] = e.readElementText()[0];
else if (tag == "slashedHistoric")
displayDigit[FiguredBassItem::StyleHistoric][digit][FiguredBassItem::CombSlashed] = e.readElementText()[0];
else {
e.unknown();
return false;
}
}
}
else {
e.unknown();
return false;
}
}
displayParenthesis[0] = displayAccidental[FiguredBassItem::ModifierNone] = ' ';
return true;
}
//---------------------------------------------------------
// Read Configuration File
//
// reads a configuration and appends read data to g_FBFonts
// resets everythings and reads the built-in config file if fileName is null or empty
//---------------------------------------------------------
bool FiguredBass::readConfigFile(const QString& fileName)
{
QString path;
if(fileName == 0 || fileName.isEmpty()) { // defaults to built-in xml
#ifdef Q_WS_IOS
{
extern QString resourcePath();
QString rpath = resourcePath();
path = rpath + QString("/fonts_figuredbass.xml");
}
#else
path = ":/fonts/fonts_figuredbass.xml";
#endif
g_FBFonts.clear();
}
else
path = fileName;
QFile f(path);
if (!f.open(QIODevice::ReadOnly)) {
QString s = QT_TRANSLATE_NOOP("file", "cannot open figured bass description:\n%1\n%2");
MScore::lastError = s.arg(f.fileName()).arg(f.errorString());
qDebug("FiguredBass::read failed: <%s>\n", qPrintable(path));
return false;
}
XmlReader e(&f);
while (e.readNextStartElement()) {
if (e.name() == "museScore") {
// QString version = e.attribute(QString("version"));
// QStringList sl = version.split('.');
// int _mscVersion = sl[0].toInt() * 100 + sl[1].toInt();
while (e.readNextStartElement()) {
if (e.name() == "font") {
FiguredBassFont f;
if (f.read(e))
g_FBFonts.append(f);
else
return false;
}
else
e.unknown();
}
return true;
}
}
return false;
}
//---------------------------------------------------------
// Get Font Names
//
// returns a list of display names for the fonts configured to work with Figured Bass;
// the index of a name in the list can be used to retrieve the font data with fontData()
//---------------------------------------------------------
QList<QString> FiguredBass::fontNames()
{
QList<QString> names;
foreach(const FiguredBassFont& f, g_FBFonts)
names.append(f.displayName);
return names;
}
//---------------------------------------------------------
// Get Font Data
//
// retrieves data about a Figured Bass font.
// returns: true if idx is valid | false if it is not
// any of the pointer parameter can be null, if that datum is not needed
//---------------------------------------------------------
bool FiguredBass::fontData(int nIdx, QString * pFamily, QString * pDisplayName,
qreal * pSize, qreal * pLineHeight)
{
if(nIdx >= 0 && nIdx < g_FBFonts.size()) {
FiguredBassFont f = g_FBFonts.at(nIdx);
if(pFamily) *pFamily = f.family;
if(pDisplayName) *pDisplayName = f.displayName;
if(pSize) *pSize = f.defPitch;
if(pLineHeight) *pLineHeight = f.defLineHeight;
return true;
}
return false;
}
//---------------------------------------------------------
//
// MusicXML I/O
//
//---------------------------------------------------------
//---------------------------------------------------------
// Read MusicXML
//
// Set the FiguredBass state based on the MusicXML <figured-bass> node de.
// Note that onNote and ticks must be set by the MusicXML importer,
// as the required context is not present in the items DOM tree.
// Exception: if a <duration> element is present, tick can be set.
// Return true if valid, non-empty figure(s) are found
// Set extend to true if extend elements were found
//---------------------------------------------------------
#if 0
bool FiguredBass::readMusicXML(XmlReader& e, int divisions, bool& extend)
{
extend = false;
bool parentheses = e.attribute("parentheses") == "yes";
QString normalizedText;
int idx = 0;
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "duration") {
QString val(e.readElementText());
bool ok = true;
int duration = val.toInt(&ok);
if (ok) {
duration *= MScore::division;
duration /= divisions;
setTicks(duration);
}
else
qDebug("MusicXml-Import: bad duration value: <%s>",
qPrintable(val));
}
else if (tag == "figure") {
bool figureExtend = false;
FiguredBassItem * pItem = new FiguredBassItem(score(), idx++);
pItem->setTrack(track());
pItem->setParent(this);
pItem->readMusicXML(e, parentheses, figureExtend);
if (figureExtend)
extend = true;
items.append(*pItem);
// add item normalized text
if (!normalizedText.isEmpty())
normalizedText.append('\n');
normalizedText.append(pItem->normalizedText());
}
else {
e.unknown();
return false;
}
}
setText(normalizedText); // this is the text to show while editing
bool res = !normalizedText.isEmpty();
return res;
}
#endif
//---------------------------------------------------------
// hasParentheses
//
// return true if any FiguredBassItem starts with a parenthesis
//---------------------------------------------------------
bool FiguredBass::hasParentheses() const
{
foreach(FiguredBassItem item, items)
if (item.startsWithParenthesis())
return true;
return false;
}
//---------------------------------------------------------
// Write MusicXML
//---------------------------------------------------------
void FiguredBass::writeMusicXML(Xml& xml, bool doFigure, bool doExtend) const
{
if (doFigure || doExtend) {
QString stag = "figured-bass";
if (hasParentheses())
stag += " parentheses=\"yes\"";
xml.stag(stag);
foreach(FiguredBassItem item, items)
item.writeMusicXML(xml, doFigure, doExtend);
xml.etag();
}
}
//---------------------------------------------------------
//
// METHODS BELONGING TO OTHER CLASSES
//
// Work In Progress: kept here until the FiguredBass framwork is reasonably set up;
// To be finally moved to their respective class implementation files.
//
//---------------------------------------------------------
//---------------------------------------------------------
// Score::addFiguredBass
// called from Keyboard Accelerator & menus
//---------------------------------------------------------
#include "score.h"
FiguredBass* Score::addFiguredBass()
{
Element* el = selection().element();
if (el == 0 || (el->type() != Element::NOTE && el->type() != Element::FIGURED_BASS)) {
QMessageBox::information(0,
QMessageBox::tr("MuseScore:"),
QMessageBox::tr("No note or figured bass selected:\n"
"Please select a single note or figured bass and retry.\n"),
QMessageBox::Ok, QMessageBox::NoButton);
return 0;
}
FiguredBass * fb;
bool bNew;
if (el->type() == Element::NOTE) {
ChordRest * cr = static_cast<Note*>(el)->chord();
fb = FiguredBass::addFiguredBassToSegment(cr->segment(),
(cr->track() / VOICES) * VOICES, 0, &bNew);
}
else if (el->type() == Element::FIGURED_BASS) {
fb = static_cast<FiguredBass*>(el);
bNew = false;
}
else
return 0;
if(fb == 0)
return 0;
if(bNew)
undoAddElement(fb);
select(fb, SELECT_SINGLE, 0);
return fb;
}