MuseScore/libmscore/figuredbass.cpp
2017-03-08 13:12:26 +01:00

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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// 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"
#include "chord.h"
#include "rest.h"
#include "score.h"
#include "sym.h"
#include "xml.h"
// trying to do without it
//#include <QQmlEngine>
namespace Ms {
static constexpr qreal FB_CONTLINE_HEIGHT = 0.875; // the % of font EM to raise the cont. line at
// (0 = top of font; 1 = bottom of font)
static constexpr qreal FB_CONTLINE_LEFT_PADDING = 0.1875; // (3/16sp) the blank space at the left of a cont. line (in sp)
static constexpr qreal FB_CONTLINE_OVERLAP = 0.125; // (1/8sp) the overlap of an extended cont. line (in sp)
static constexpr qreal FB_CONTLINE_THICKNESS = 0.09375; // (3/32sp) the thickness of a cont. line (in sp)
// 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[int(FiguredBassItem::Parenthesis::NUMOF)] =
{ 0, '(', ')', '[', ']'};
FiguredBassItem::FiguredBassItem(Score* s, int l)
: Element(s), ord(l)
{
_prefix = _suffix = Modifier::NONE;
_digit = FBIDigitNone;
parenth[0] = parenth[1] = parenth[2] = parenth[3] = parenth[4] = Parenthesis::NONE;
_contLine = ContLine::NONE;
}
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 = ContLine::NONE; // contLine
if(str[0] == '-' || str[0] == '_') { // 1 symbol: simple continuation
_contLine = ContLine::SIMPLE;
str.remove(0, 1);
}
while(str[0] == '-' || str[0] == '_') { // more than 1 symbol: extended continuation
_contLine = ContLine::EXTENDED;
str.remove(0, 1);
}
parseParenthesis(str, 4);
// remove useless parentheses, moving external parentheses toward central digit element
if(_prefix == Modifier::NONE && parenth[1] == Parenthesis::NONE) {
parenth[1] = parenth[0];
parenth[0] = Parenthesis::NONE;
}
if(_digit == FBIDigitNone && parenth[2] == Parenthesis::NONE) {
parenth[2] = parenth[1];
parenth[1] = Parenthesis::NONE;
}
if(_contLine == ContLine::NONE && parenth[3] == Parenthesis::NONE) {
parenth[3] = parenth[4];
parenth[4] = Parenthesis::NONE;
}
if(_suffix == Modifier::NONE && parenth[2] == Parenthesis::NONE) {
parenth[2] = parenth[3];
parenth[3] = Parenthesis::NONE;
}
// 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 != Modifier::NONE && _suffix != Modifier::NONE)
|| (_prefix == Modifier::NONE && _digit == FBIDigitNone && _suffix == Modifier::NONE && _contLine == ContLine::NONE)
|| ( (_suffix == Modifier::CROSS || _suffix == Modifier::BACKSLASH || _suffix == Modifier::SLASH)
&& _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 = Modifier::NONE;
while(str.size()) {
switch(str.at(0).unicode())
{
case 'b':
if(*dest != Modifier::NONE) {
if(*dest == Modifier::FLAT) // FLAT may double a previous FLAT
*dest = Modifier::DOUBLEFLAT;
else
return -1; // but no other combination is acceptable
}
else
*dest = Modifier::FLAT;
break;
case 'h':
if(*dest != Modifier::NONE) // cannot combine with any other accidental
return -1;
*dest = Modifier::NATURAL;
break;
case '#':
if(*dest != Modifier::NONE) {
if(*dest == Modifier::SHARP) // SHARP may double a preivous SHARP
*dest = Modifier::DOUBLESHARP;
else
return -1; // but no other combination is acceptable
}
else
*dest = Modifier::SHARP;
break;
case '+':
// accept '+' as both a prefix and a suffix for harmony notation
if(*dest != Modifier::NONE) // cannot combine with any other accidental
return -1;
*dest = Modifier::CROSS;
break;
// '\\' and '/' go into the suffix
case '\\':
if(_suffix != Modifier::NONE) // cannot combine with any other accidental
return -1;
_suffix = Modifier::BACKSLASH;
break;
case '/':
if(_suffix != Modifier::NONE) // cannot combine with any other accidental
return -1;
_suffix = Modifier::SLASH;
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(str[0] >= '0' && str[0] <= '9') {
if (_digit == FBIDigitNone)
_digit = 0;
_digit = _digit*10 + (str[0].unicode() - '0');
str.remove(0, 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 = Parenthesis::NONE;
switch(c)
{
case '(':
code = Parenthesis::ROUNDOPEN;
break;
case ')':
code = Parenthesis::ROUNDCLOSED;
break;
case '[':
code =Parenthesis::SQUAREDOPEN;
break;
case ']':
code = Parenthesis::SQUAREDCLOSED;
break;
default:
break;
}
parenth[parenthIdx] = code;
if(code != Parenthesis::NONE) {
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] != Parenthesis::NONE)
str.append(normParenthToChar[int(parenth[0])]);
if(_prefix != Modifier::NONE) {
switch(_prefix)
{
case Modifier::FLAT:
str.append('b');
break;
case Modifier::NATURAL:
str.append('h');
break;
case Modifier::SHARP:
str.append('#');
break;
case Modifier::CROSS:
str.append('+');
break;
case Modifier::DOUBLEFLAT:
str.append("bb");
break;
case Modifier::DOUBLESHARP:
str.append("##");
break;
default:
break;
}
}
if(parenth[1] != Parenthesis::NONE)
str.append(normParenthToChar[int(parenth[1])]);
// digit
if(_digit != FBIDigitNone)
str.append(QString::number(_digit));
if(parenth[2] != Parenthesis::NONE)
str.append(normParenthToChar[int(parenth[2])]);
// suffix
if(_suffix != Modifier::NONE) {
switch(_suffix)
{
case Modifier::FLAT:
str.append('b');
break;
case Modifier::NATURAL:
str.append('h');
break;
case Modifier::SHARP:
str.append('#');
break;
case Modifier::CROSS:
str.append('+');
break;
case Modifier::BACKSLASH:
str.append('\\');
break;
case Modifier::SLASH:
str.append('/');
break;
case Modifier::DOUBLEFLAT:
str.append("bb");
break;
case Modifier::DOUBLESHARP:
str.append("##");
break;
default:
break;
}
}
if(parenth[3] != Parenthesis::NONE)
str.append(normParenthToChar[int(parenth[3])]);
if(_contLine > ContLine::NONE) {
str.append('_');
if (_contLine > ContLine::SIMPLE)
str.append('_');
}
if(parenth[4] != Parenthesis::NONE)
str.append(normParenthToChar[int(parenth[4])]);
return str;
}
//---------------------------------------------------------
// FiguredBassItem write()
//---------------------------------------------------------
void FiguredBassItem::write(XmlWriter& xml) const
{
xml.stag("FiguredBassItem");
xml.tagE(QString("brackets b0=\"%1\" b1=\"%2\" b2=\"%3\" b3=\"%4\" b4=\"%5\"")
.arg(int(parenth[0])) .arg(int(parenth[1])) .arg(int(parenth[2])) .arg(int(parenth[3])) .arg(int(parenth[4])) );
if (_prefix != Modifier::NONE)
xml.tag(QString("prefix"), int(_prefix));
if (_digit != FBIDigitNone)
xml.tag(QString("digit"), _digit);
if (_suffix != Modifier::NONE)
xml.tag(QString("suffix"), int(_suffix));
if (_contLine != ContLine::NONE)
xml.tag("continuationLine", int(_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 pixels, scaled according to spatium()
// (use the same font selection as used in draw() below)
qreal m = score()->styleD(StyleIdx::figuredBassFontSize) * spatium() / SPATIUM20;
f.setPointSizeF(m);
QFontMetricsF fm(f, MScore::paintDevice());
QString str;
x = symWidth(SymId::noteheadBlack) * .5;
x1 = x2 = 0.0;
// create display text
int font = 0;
int style = score()->styleI(StyleIdx::figuredBassStyle);
if (parenth[0] != Parenthesis::NONE)
str.append(g_FBFonts.at(font).displayParenthesis[int(parenth[0])]);
// prefix
if (_prefix != Modifier::NONE) {
// 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[int(_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] != Parenthesis::NONE)
str.append(g_FBFonts.at(font).displayParenthesis[int(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 (multi-digit numbers cannot be combined)
// unless there is a parenthesis in between
if( (_digit < 10)
&& (_suffix == Modifier::CROSS || _suffix == Modifier::BACKSLASH || _suffix == Modifier::SLASH)
&& parenth[2] == Parenthesis::NONE)
str.append(g_FBFonts.at(font).displayDigit[style][_digit][int(_suffix)-(int(Modifier::CROSS)-1)]);
// if several digits or no shape combination, convert _digit to font styled chars
else {
QString digits = QString();
int digit = _digit;
while (true) {
digits.prepend(g_FBFonts.at(font).displayDigit[style][(digit % 10)][0]);
digit /= 10;
if (digit == 0)
break;
}
str.append(digits);
}
// if some digit, the string from here onward 'hangs' to the right of the note
x2 = fm.width(str);
}
if(parenth[2] != Parenthesis::NONE)
str.append(g_FBFonts.at(font).displayParenthesis[int(parenth[2])]);
// suffix
// append only if non-combining shape or cannot combine (no digit or parenthesis in between)
if( _suffix != Modifier::NONE
&& ( (_suffix != Modifier::CROSS && _suffix != Modifier::BACKSLASH && _suffix != Modifier::SLASH)
|| _digit == FBIDigitNone
|| parenth[2] != Parenthesis::NONE) )
str.append(g_FBFonts.at(font).displayAccidental[int(_suffix)]);
if(parenth[3] != Parenthesis::NONE)
str.append(g_FBFonts.at(font).displayParenthesis[int(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(StyleIdx::figuredBassLineHeight);
if (score()->styleI(StyleIdx::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 != ContLine::NONE && (lineLen=figuredBass()->lineLength(0)) > w)
w = lineLen;
bbox().setRect(0, 0, w, h);
}
//---------------------------------------------------------
// FiguredBassItem draw()
//---------------------------------------------------------
void FiguredBassItem::draw(QPainter* painter) const
{
int font = 0;
qreal _spatium = spatium();
// set font from general style
QFont f(g_FBFonts.at(font).family);
#ifdef USE_GLYPHS
f.setHintingPreference(QFont::PreferVerticalHinting);
#endif
// (use the same font selection as used in layout() above)
qreal m = score()->styleD(StyleIdx::figuredBassFontSize) * spatium() / SPATIUM20;
f.setPointSizeF(m * MScore::pixelRatio);
painter->setFont(f);
painter->setBrush(Qt::NoBrush);
QPen pen(figuredBass()->curColor(), FB_CONTLINE_THICKNESS * _spatium, Qt::SolidLine, Qt::RoundCap);
painter->setPen(pen);
painter->drawText(bbox(), Qt::TextDontClip | Qt::AlignLeft | Qt::AlignTop, displayText());
// continuation line
qreal lineEndX = 0.0;
if (_contLine != ContLine::NONE) {
qreal lineStartX = textWidth; // by default, line starts right after text
if (lineStartX > 0.0)
lineStartX += _spatium * FB_CONTLINE_LEFT_PADDING; // if some text, give some room after it
lineEndX = figuredBass()->printedLineLength(); // by default, line ends with item duration
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 > ContLine::SIMPLE && parenth[4] == Parenthesis::NONE) {
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*FB_CONTLINE_OVERLAP;
// 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() * FB_CONTLINE_HEIGHT;
painter->drawLine(lineStartX, h, lineEndX - ipos().x(), h);
}
}
// closing cont.line parenthesis
if (parenth[4] != Parenthesis::NONE) {
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[int(parenth[4])]);
}
}
//---------------------------------------------------------
// PROPERTY METHODS
//---------------------------------------------------------
QVariant FiguredBassItem::getProperty(P_ID propertyId) const
{
switch(propertyId) {
case P_ID::FBPREFIX:
return int(_prefix);
case P_ID::FBDIGIT:
return _digit;
case P_ID::FBSUFFIX:
return int(_suffix);
case P_ID::FBCONTINUATIONLINE:
return int(_contLine);
case P_ID::FBPARENTHESIS1:
return int(parenth[0]);
case P_ID::FBPARENTHESIS2:
return int(parenth[1]);
case P_ID::FBPARENTHESIS3:
return int(parenth[2]);
case P_ID::FBPARENTHESIS4:
return int(parenth[3]);
case P_ID::FBPARENTHESIS5:
return int(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_ID::FBPREFIX:
if(val < int(Modifier::NONE) || val >= int(Modifier::NUMOF))
return false;
_prefix = (Modifier)val;
break;
case P_ID::FBDIGIT:
if(val < 1 || val > 9)
return false;
_digit = val;
break;
case P_ID::FBSUFFIX:
if(val < int(Modifier::NONE) || val >= int(Modifier::NUMOF))
return false;
_suffix = (Modifier)val;
break;
case P_ID::FBCONTINUATIONLINE:
_contLine = (ContLine)val;
break;
case P_ID::FBPARENTHESIS1:
if(val < int(Parenthesis::NONE) || val >= int(Parenthesis::NUMOF))
return false;
parenth[0] = (Parenthesis)val;
break;
case P_ID::FBPARENTHESIS2:
if(val < int(Parenthesis::NONE) || val >= int(Parenthesis::NUMOF))
return false;
parenth[1] = (Parenthesis)val;
break;
case P_ID::FBPARENTHESIS3:
if(val < int(Parenthesis::NONE) || val >= int(Parenthesis::NUMOF))
return false;
parenth[2] = (Parenthesis)val;
break;
case P_ID::FBPARENTHESIS4:
if(val < int(Parenthesis::NONE) || val >= int(Parenthesis::NUMOF))
return false;
parenth[3] = (Parenthesis)val;
break;
case P_ID::FBPARENTHESIS5:
if(val < int(Parenthesis::NONE) || val >= int(Parenthesis::NUMOF))
return false;
parenth[4] = (Parenthesis)val;
break;
default:
return Element::setProperty(propertyId, v);
}
score()->setLayoutAll();
return true;
}
QVariant FiguredBassItem::propertyDefault(P_ID id) const
{
switch(id) {
case P_ID::FBPREFIX:
case P_ID::FBSUFFIX:
return int(Modifier::NONE);
case P_ID::FBDIGIT:
return FBIDigitNone;
case P_ID::FBCONTINUATIONLINE:
return false;
default:
return Element::propertyDefault(id);
}
}
//---------------------------------------------------------
// UNDOABLE PROPERTY SETTERS
//---------------------------------------------------------
void FiguredBassItem::undoSetPrefix(Modifier pref)
{
if(pref <= Modifier::CROSS) {
undoChangeProperty(P_ID::FBPREFIX, (int)pref);
// if setting some prefix and there is a suffix already, clear suffix
if(pref != Modifier::NONE && _suffix != Modifier::NONE)
undoChangeProperty(P_ID::FBSUFFIX, int(Modifier::NONE));
layout(); // re-generate displayText
}
}
void FiguredBassItem::undoSetDigit(int digit)
{
if (digit >= 0 && digit <= 9) {
undoChangeProperty(P_ID::FBDIGIT, digit);
layout(); // re-generate displayText
}
}
void FiguredBassItem::undoSetSuffix(Modifier suff)
{
undoChangeProperty(P_ID::FBSUFFIX, int(suff));
// if setting some suffix and there is a prefix already, clear prefix
if(suff != Modifier::NONE && _prefix != Modifier::NONE)
undoChangeProperty(P_ID::FBPREFIX, int(Modifier::NONE));
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetContLine(ContLine val)
{
undoChangeProperty(P_ID::FBCONTINUATIONLINE, int(val));
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetParenth1(Parenthesis par)
{
undoChangeProperty(P_ID::FBPARENTHESIS1, int(par));
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetParenth2(Parenthesis par)
{
undoChangeProperty(P_ID::FBPARENTHESIS2, int(par));
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetParenth3(Parenthesis par)
{
undoChangeProperty(P_ID::FBPARENTHESIS3, int(par));
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetParenth4(Parenthesis par)
{
undoChangeProperty(P_ID::FBPARENTHESIS4, int(par));
layout(); // re-generate displayText
}
void FiguredBassItem::undoSetParenth5(Parenthesis par)
{
undoChangeProperty(P_ID::FBPARENTHESIS5, int(par));
layout(); // re-generate displayText
}
//---------------------------------------------------------
//
// MusicXML I/O
//
//---------------------------------------------------------
//---------------------------------------------------------
// Convert MusicXML prefix/suffix to Modifier
//---------------------------------------------------------
FiguredBassItem::Modifier FiguredBassItem::MusicXML2Modifier(const QString prefix) const
{
if (prefix == "sharp")
return Modifier::SHARP;
else if (prefix == "flat")
return Modifier::FLAT;
else if (prefix == "natural")
return Modifier::NATURAL;
else if (prefix == "double-sharp")
return Modifier::DOUBLESHARP;
else if (prefix == "flat-flat")
return Modifier::DOUBLEFLAT;
else if (prefix == "sharp-sharp")
return Modifier::DOUBLESHARP;
else if (prefix == "cross")
return Modifier::CROSS;
else if (prefix == "backslash")
return Modifier::BACKSLASH;
else if (prefix == "slash")
return Modifier::SLASH;
else
return Modifier::NONE;
}
//---------------------------------------------------------
// Convert Modifier to MusicXML prefix/suffix
//---------------------------------------------------------
QString FiguredBassItem::Modifier2MusicXML(FiguredBassItem::Modifier prefix) const
{
switch (prefix) {
case Modifier::NONE: return "";
case Modifier::DOUBLEFLAT: return "flat-flat";
case Modifier::FLAT: return "flat";
case Modifier::NATURAL: return "natural";
case Modifier::SHARP: return "sharp";
case Modifier::DOUBLESHARP: return "double-sharp";
case Modifier::CROSS: return "cross";
case Modifier::BACKSLASH: return "backslash";
case Modifier::SLASH: return "slash";
case Modifier::NUMOF: 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)
{
// read the <figure> node de
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
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 != Modifier::NONE)
parenth[0] = Parenthesis::ROUNDOPEN; // before prefix
else if (_digit != FBIDigitNone)
parenth[1] = Parenthesis::ROUNDOPEN; // before digit
else if (_suffix != Modifier::NONE)
parenth[2] = Parenthesis::ROUNDOPEN; // before suffix
// parenthesis close
if (_suffix != Modifier::NONE)
parenth[3] = Parenthesis::ROUNDCLOSED; // after suffix
else if (_digit != FBIDigitNone)
parenth[2] = Parenthesis::ROUNDCLOSED; // after digit
else if (_prefix != Modifier::NONE)
parenth[1] = Parenthesis::ROUNDCLOSED; // after prefix
}
}
#endif
//---------------------------------------------------------
// Write MusicXML
//
// Writes the portion within the <figure> tag.
//
// NOTE: Both MuseScore and MusicXML provide two ways of altering the (temporal) length of a
// figured bass object: extension lines and duration. The convention is that an EXTENSION is
// used if the figure lasts LONGER than the note (i.e., it "extends" to the following notes),
// whereas DURATION is used if the figure lasts SHORTER than the note (e.g., when notating a
// figure change under a note). However, MuseScore does not restrict durations in this way,
// allowing them to act as extensions themselves. As a result, a few more branches are
// required in the decision tree to handle everything correctly.
//---------------------------------------------------------
void FiguredBassItem::writeMusicXML(XmlWriter& xml, bool isOriginalFigure, int crEndTick, int fbEndTick) const
{
xml.stag("figure");
// The first figure of each group is the "original" figure. Practically, it is one inserted manually
// by the user, rather than automatically by the "duration" extend method.
if (isOriginalFigure) {
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);
// Check if the figure ends before or at the same time as the current note. Otherwise, the figure
// extends to the next note, and so carries an extension type "start" by definition.
if (fbEndTick <= crEndTick) {
if (_contLine == ContLine::SIMPLE)
xml.tagE("extend type=\"stop\" ");
else if (_contLine == ContLine::EXTENDED) {
bool hasFigure = (strPrefix != "" || _digit != FBIDigitNone || strSuffix != "");
if (hasFigure)
xml.tagE("extend type=\"start\" ");
else
xml.tagE("extend type=\"continue\" ");
}
}
else
xml.tagE("extend type=\"start\" ");
}
// If the figure is not "original", it must have been created using the "duration" feature of figured bass.
// In other words, the original figure belongs to a previous note rather than the current note.
else {
if (crEndTick < fbEndTick)
xml.tagE("extend type=\"continue\" ");
else
xml.tagE("extend type=\"stop\" ");
}
xml.etag();
}
//---------------------------------------------------------
// startsWithParenthesis
//---------------------------------------------------------
bool FiguredBassItem::startsWithParenthesis() const
{
if (_prefix != Modifier::NONE)
return (parenth[0] != Parenthesis::NONE);
if (_digit != FBIDigitNone)
return (parenth[1] != Parenthesis::NONE);
if (_suffix != Modifier::NONE)
return (parenth[2] != Parenthesis::NONE);
return false;
}
//---------------------------------------------------------
// F I G U R E D B A S S
//---------------------------------------------------------
FiguredBass::FiguredBass(Score* s)
: Text(SubStyle::FIGURED_BASS, s)
{
setFlag(ElementFlag::ON_STAFF, true);
setOnNote(true);
#if 0 // TODO
TextStyle st(
g_FBFonts[0].family,
score()->styleD(StyleIdx::figuredBassFontSize),
false,
false,
false,
Align::LEFT | Align::TOP,
QPointF(0, score()->styleD(StyleIdx::figuredBassYOffset)),
OffsetType::SPATIUM);
st.setSizeIsSpatiumDependent(true);
setSubStyle(st);
#endif
setTicks(0);
items.clear();
}
FiguredBass::FiguredBass(const FiguredBass& fb)
: Text(fb)
{
setOnNote(fb.onNote());
setTicks(fb.ticks());
for (auto i : fb.items) { // deep copy is needed
FiguredBassItem* fbi = new FiguredBassItem(*i);
fbi->setParent(this);
items.push_back(fbi);
}
// items = fb.items;
}
FiguredBass::~FiguredBass()
{
for (FiguredBassItem* item : items)
delete item;
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void FiguredBass::write(XmlWriter& xml) const
{
if (!xml.canWrite(this))
return;
xml.stag("FiguredBass");
if(!onNote())
xml.tag("onNote", onNote());
if (ticks() > 0)
xml.tag("ticks", ticks());
// if unparseable items, write full text data
if (items.size() < 1)
Text::writeProperties(xml, true);
else {
// if (textStyleType() != StyledPropertyListIdx::FIGURED_BASS)
// // if all items parsed and not unstiled, we simply have a special style: write it
// xml.tag("style", textStyle().name());
for(FiguredBassItem* item : items)
item->write(xml);
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.push_back(pItem);
// add item normalized text
if(!normalizedText.isEmpty())
normalizedText.append('\n');
normalizedText.append(pItem->normalizedText());
}
// else if (tag == "style")
// setStyledPropertyListIdx(e.readElementText());
else if (!Text::readProperties(e))
e.unknown();
}
// if items could be parsed set normalized text
if (items.size() > 0)
setXmlText(normalizedText); // this is the text to show while editing
}
//---------------------------------------------------------
// layout
//---------------------------------------------------------
void FiguredBass::layout()
{
qreal yOff = score()->styleD(StyleIdx::figuredBassYOffset);
qreal _sp = spatium();
// if 'our' style, force 'our' style data from FiguredBass parameters
#if 0
if (textStyleType() == StyledPropertyListIdx::FIGURED_BASS) {
TextStyle st(g_FBFonts[0].family, score()->styleD(StyleIdx::figuredBassFontSize),
false, false, false, Align::LEFT | Align::TOP, QPointF(0, yOff),
OffsetType::SPATIUM);
st.setSizeIsSpatiumDependent(true);
setTextStyle(st);
}
#endif
// if in edit mode or if style has been changed,
// do nothing else, keeping default laying out and formatting
if (editMode() || items.size() < 1 || subStyle() != SubStyle::FIGURED_BASS) {
Text::layout();
return;
}
// VERTICAL POSITION:
yOff *= _sp; // convert spatium value to raster units
setPos(QPointF(0.0, yOff));
// BOUNDING BOX and individual item layout (if requried)
createLayout(); // prepare structs and data expected by Text methods
// if element could be parsed into items, layout each element
if (items.size() > 0) {
layoutLines();
bbox().setRect(0, 0, _lineLenghts.at(0), 0);
// layout each item and enlarge bbox to include items bboxes
for (FiguredBassItem* item : items) {
item->layout();
addbbox(item->bbox().translated(item->pos()));
}
}
adjustReadPos();
}
//---------------------------------------------------------
// layoutLines
//
// lays out the duration indicator line(s), filling the _lineLengths array
// and the length of printed lines (used by continuation lines)
//---------------------------------------------------------
void FiguredBass::layoutLines()
{
if (_ticks <= 0 || !segment()) {
_lineLenghts.resize(1); // be sure to always have
_lineLenghts[0] = 0; // at least 1 item in array
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) {
// locate the first segment (of ANY type) right after this' last tick
for (nextSegm = m->first(SegmentType::All); nextSegm; nextSegm = nextSegm->next()) {
if (nextSegm->tick() >= nextTick)
break;
}
// locate the last ChordRest of this
if (nextSegm)
lastCR = nextSegm->prev1()->nextChordRest(track(), true);
}
if (!m || !nextSegm) {
qDebug("FiguredBass layout: no segment found for tick %d", nextTick);
_lineLenghts.resize(1); // be sure to always have
_lineLenghts[0] = 0; // at least 1 item in array
return;
}
// get length of printed lines from horiz. page position of lastCR
// (enter a bit 'into' the ChordRest for clarity)
_printedLineLength = lastCR ? lastCR->pageX() - pageX() + 1.5 * spatium() : 3 * spatium();
// get duration indicator line(s) from page position of nextSegm
const 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())->bbox().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() && score()->showUnprintable()) {
for (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 standard text drawing
if (editMode() || subStyle() != SubStyle::FIGURED_BASS)
Text::draw(painter);
else { // not edit mode:
if (items.size() < 1) // if not parseable into f.b. items
Text::draw(painter); // draw as standard text
else
for (FiguredBassItem* item : items) { // if parseable into f.b. items
painter->translate(item->pos()); // draw each item in its proper position
item->draw(painter);
painter->translate(-item->pos());
}
}
/* DEBUG
QString str = QString();
str.setNum(_ticks);
painter->drawText(0, (_onNote ? 40 : 30), str);
*/
}
//---------------------------------------------------------
// startEdit / edit / endEdit
//---------------------------------------------------------
void FiguredBass::startEdit(MuseScoreView * msv, const QPointF & pt)
{
Text::layout(); // convert layout to standard Text conventions
Text::startEdit(msv, pt);
}
void FiguredBass::endEdit()
{
int idx;
Text::endEdit();
// as the standard text editor keeps inserting spurious HTML formatting and styles
// retrieve and work only on the plain text
QString txt = plainText();
if (txt.isEmpty()) { // if no text, nothing to do
setXmlText(txt); // clear the stored text: the empty f.b. element will be deleted
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.push_back(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 (items.size()) {
setXmlText(normalizedText);
layout();
}
}
//---------------------------------------------------------
// setSelected /setVisible
//
// forward flags to items
//---------------------------------------------------------
void FiguredBass::setSelected(bool flag)
{
Element::setSelected(flag);
for(FiguredBassItem* item : items) {
item->setSelected(flag);
}
}
void FiguredBass::setVisible(bool flag)
{
Element::setVisible(flag);
for(FiguredBassItem* item : items) {
item->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, SegmentType::ChordRest);
if (nextSegm == 0)
return 0;
// scan segment annotations for an existing FB element in the this' staff
for (Element* e : nextSegm->annotations())
if (e->type() == ElementType::FIGURED_BASS && e->track() == track())
return static_cast<FiguredBass*>(e);
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();
for (FiguredBassItem* fbi : items)
// if item has cont.line but nothing before it
// and item Y coord near enough to pagePosY
if(fbi->contLine() != FiguredBassItem::ContLine::NONE
&& fbi->digit() == FBIDigitNone
&& fbi->prefix() == FiguredBassItem::Modifier::NONE
&& fbi->suffix() == FiguredBassItem::Modifier::NONE
&& fbi->parenth4() == FiguredBassItem::Parenthesis::NONE
&& 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();
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 = new FiguredBassItem(score(), line);
// tell QML not to garbage collect this item
QQmlEngine::setObjectOwnership(fib, QQmlEngine::CppOwnership);
items.push_back(fib);
return fib;
}
*/
//---------------------------------------------------------
// 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 is 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
FiguredBass* fb = 0;
for (Element* e : seg->annotations()) {
if (e->type() == ElementType::FIGURED_BASS && (e->track() / VOICES) == staff) {
// an FB already exists in segment: re-use it
fb = static_cast<FiguredBass*>(e);
*pNew = false;
endTick = seg->tick() + fb->ticks();
break;
}
}
if (fb == 0) { // 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 (int i = track; i < track + VOICES; i++) // if segment has chord in staff, set onNote
if (seg->element(i) && seg->element(i)->type() == ElementType::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(SegmentType::ChordRest); prevSegm; prevSegm = prevSegm->prev1(SegmentType::ChordRest)) {
for (Element* e : prevSegm->annotations()) {
if (e->type() == ElementType::FIGURED_BASS && (e->track() ) == track) {
prevFB = static_cast<FiguredBass*>(e); // 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[int(FiguredBassItem::Modifier::DOUBLEFLAT)]= e.readElementText()[0];
else if (tag == "flat")
displayAccidental[int(FiguredBassItem::Modifier::FLAT)] = e.readElementText()[0];
else if (tag == "natural")
displayAccidental[int(FiguredBassItem::Modifier::NATURAL)] = e.readElementText()[0];
else if (tag == "sharp")
displayAccidental[int(FiguredBassItem::Modifier::SHARP)] = e.readElementText()[0];
else if (tag == "doublesharp")
displayAccidental[int(FiguredBassItem::Modifier::DOUBLESHARP)]= e.readElementText()[0];
else if (tag == "cross")
displayAccidental[int(FiguredBassItem::Modifier::CROSS)] = e.readElementText()[0];
else if (tag == "backslash")
displayAccidental[int(FiguredBassItem::Modifier::BACKSLASH)] = e.readElementText()[0];
else if (tag == "slash")
displayAccidental[int(FiguredBassItem::Modifier::SLASH)] = 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[int(FiguredBassItem::Style::MODERN)] [digit][int(FiguredBassItem::Combination::SIMPLE)] = e.readElementText()[0];
else if (tag == "crossed")
displayDigit[int(FiguredBassItem::Style::MODERN)] [digit][int(FiguredBassItem::Combination::CROSSED)] = e.readElementText()[0];
else if (tag == "backslashed")
displayDigit[int(FiguredBassItem::Style::MODERN)] [digit][int(FiguredBassItem::Combination::BACKSLASHED)] = e.readElementText()[0];
else if (tag == "slashed")
displayDigit[int(FiguredBassItem::Style::MODERN)] [digit][int(FiguredBassItem::Combination::SLASHED)] = e.readElementText()[0];
else if (tag == "simpleHistoric")
displayDigit[int(FiguredBassItem::Style::HISTORIC)][digit][int(FiguredBassItem::Combination::SIMPLE)] = e.readElementText()[0];
else if (tag == "crossedHistoric")
displayDigit[int(FiguredBassItem::Style::HISTORIC)][digit][int(FiguredBassItem::Combination::CROSSED)] = e.readElementText()[0];
else if (tag == "backslashedHistoric")
displayDigit[int(FiguredBassItem::Style::HISTORIC)][digit][int(FiguredBassItem::Combination::BACKSLASHED)] = e.readElementText()[0];
else if (tag == "slashedHistoric")
displayDigit[int(FiguredBassItem::Style::HISTORIC)][digit][int(FiguredBassItem::Combination::SLASHED)] = e.readElementText()[0];
else {
e.unknown();
return false;
}
}
}
else {
e.unknown();
return false;
}
}
displayParenthesis[0] = displayAccidental[int(FiguredBassItem::Modifier::NONE)] = ' ';
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_OS_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)) {
MScore::lastError = QObject::tr("Cannot open figured bass description:\n%1\n%2").arg(f.fileName()).arg(f.errorString());
qDebug("FiguredBass::read failed: <%s>", qPrintable(path));
return false;
}
XmlReader e(0, &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
//---------------------------------------------------------
#if 0
bool FiguredBass::readMusicXML(XmlReader& e, int divisions)
{
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") {
FiguredBassItem * pItem = new FiguredBassItem(score(), idx++);
pItem->setTrack(track());
pItem->setParent(this);
pItem->readMusicXML(e, parentheses);
items.append(*pItem);
// add item normalized text
if (!normalizedText.empty())
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.empty();
return res;
}
#endif
//---------------------------------------------------------
// hasParentheses
//
// return true if any FiguredBassItem starts with a parenthesis
//---------------------------------------------------------
bool FiguredBass::hasParentheses() const
{
for(FiguredBassItem* item : items)
if (item->startsWithParenthesis())
return true;
return false;
}
//---------------------------------------------------------
// Write MusicXML
//---------------------------------------------------------
void FiguredBass::writeMusicXML(XmlWriter& xml, bool isOriginalFigure, int crEndTick, int fbEndTick, bool writeDuration, int divisions) const
{
QString stag = "figured-bass";
if (hasParentheses())
stag += " parentheses=\"yes\"";
xml.stag(stag);
for(FiguredBassItem* item : items)
item->writeMusicXML(xml, isOriginalFigure, crEndTick, fbEndTick);
if (writeDuration)
xml.tag("duration", ticks() / divisions);
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
//---------------------------------------------------------
FiguredBass* Score::addFiguredBass()
{
Element* el = selection().element();
if (el == 0 || (el->type() != ElementType::NOTE && el->type() != ElementType::FIGURED_BASS)) {
MScore::setError(NO_NOTE_FIGUREDBASS_SELECTED);
return 0;
}
FiguredBass * fb;
bool bNew;
if (el->type() == ElementType::NOTE) {
ChordRest * cr = static_cast<Note*>(el)->chord();
fb = FiguredBass::addFiguredBassToSegment(cr->segment(),
(cr->track() / VOICES) * VOICES, 0, &bNew);
}
else if (el->type() == ElementType::FIGURED_BASS) {
fb = static_cast<FiguredBass*>(el);
bNew = false;
}
else
return 0;
if(fb == 0)
return 0;
if(bNew)
undoAddElement(fb);
select(fb, SelectType::SINGLE, 0);
return fb;
}
}