MuseScore/libmscore/figuredbass.cpp
Maurizio M. Gavioli ee201f4618 Figured bass: Continuation lines end right after the last ChordRest of the FiguredBass element.
Previously, they were drawn for the whole duration of the FiguredBass element (stopping right before the next segment).
2013-03-01 13:42:05 +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()->printedLineLength(); // by default, line ends
if(lineEndX - lineStartX < 1.0) // if line length < 1 sp, ignore it
lineEndX = 0.0;
// if 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
else
lineEndX = figuredBass()->lineLength(0); // if none found, draw to the duration end
}
}
// if some line, draw it
if (lineEndX > 0.0) {
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;
}
ChordRest * lastCR; // the last ChordRest of this
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();
}
// locate the last ChordRest of this
if (nextSegm)
lastCR = nextSegm->prev1()->nextChordRest(track(), true);
}
if (m == 0 || nextSegm == 0) {
qDebug("FiguredBass layout: no segment found for tick %d\n", nextTick);
goto NoLen;
}
// get length of printed lines from horiz. page position of lastCR
// (enter a bit 'into' the ChordRest for clarity)
_printedLineLength = lastCR->pageX() - pageX() + 1.5*spatium();
// get duration indicator line(s) from page position of nextSegm
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;
}