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system.cpp
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system.cpp
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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
//=============================================================================
/**
\file
Implementation of classes SysStaff and System.
*/
#include "system.h"
#include "measure.h"
#include "segment.h"
#include "score.h"
#include "sig.h"
#include "key.h"
#include "xml.h"
#include "clef.h"
#include "text.h"
#include "navigate.h"
#include "select.h"
#include "staff.h"
#include "part.h"
#include "page.h"
#include "style.h"
#include "bracket.h"
#include "mscore.h"
#include "barline.h"
#include "lyrics.h"
#include "system.h"
#include "box.h"
#include "chordrest.h"
#include "iname.h"
#include "spanner.h"
namespace Ms {
//---------------------------------------------------------
// SysStaff
//---------------------------------------------------------
SysStaff::SysStaff()
{
idx = 0;
_show = true;
}
//---------------------------------------------------------
// ~SysStaff
//---------------------------------------------------------
SysStaff::~SysStaff()
{
qDeleteAll(instrumentNames);
}
//---------------------------------------------------------
// System
//---------------------------------------------------------
System::System(Score* s)
: Element(s)
{
_barLine = 0;
_leftMargin = 0.0;
_pageBreak = false;
_firstSystem = false;
_vbox = false;
_sameLine = false;
_addStretch = false;
}
//---------------------------------------------------------
// ~System
//---------------------------------------------------------
System::~System()
{
delete _barLine;
qDeleteAll(_staves);
qDeleteAll(_brackets);
}
//---------------------------------------------------------
// insertStaff
//---------------------------------------------------------
SysStaff* System::insertStaff(int idx)
{
SysStaff* staff = new SysStaff;
if (idx) {
// HACK: guess position
staff->rbb().setY(_staves[idx-1]->y() + 6 * spatium());
}
_staves.insert(idx, staff);
return staff;
}
//---------------------------------------------------------
// removeStaff
//---------------------------------------------------------
void System::removeStaff(int idx)
{
_staves.takeAt(idx);
}
//---------------------------------------------------------
// layout
/// Layout the System
// If first MeasureBase is a HBOX, then xo1 is the
// width of this box.
//---------------------------------------------------------
void System::layout(qreal xo1)
{
if (isVbox()) // ignore vbox
return;
static const Spatium instrumentNameOffset(1.0);
int nstaves = _staves.size();
if (nstaves != score()->nstaves())
qDebug("System::layout: nstaves %d != %d", nstaves, score()->nstaves());
//---------------------------------------------------
// find x position of staves
// create brackets
//---------------------------------------------------
qreal xoff2 = 0.0; // x offset for instrument name
int bracketLevels = 0;
for (int idx = 0; idx < nstaves; ++idx)
bracketLevels = qMax(bracketLevels, score()->staff(idx)->bracketLevels());
qreal bracketWidth[bracketLevels];
for (int i = 0; i < bracketLevels; ++i)
bracketWidth[i] = 0.0;
QList<Bracket*> bl = _brackets;
_brackets.clear();
for (int staffIdx = 0; staffIdx < nstaves; ++staffIdx) {
Staff* s = score()->staff(staffIdx);
for (int i = 0; i < bracketLevels; ++i) {
if (s->bracket(i) == BracketType::NO_BRACKET)
continue;
int firstStaff = staffIdx;
int lastStaff = staffIdx + s->bracketSpan(i) - 1;
if (lastStaff >= nstaves)
lastStaff = nstaves - 1;
for (; firstStaff <= lastStaff; ++firstStaff) {
if (score()->staff(firstStaff)->show())
break;
}
for (; lastStaff >= firstStaff; --lastStaff) {
if (score()->staff(lastStaff)->show())
break;
}
int span = lastStaff - firstStaff + 1;
//
// do not show bracket if it only spans one
// system due to some invisible staves
//
if ((span > 1) || (s->bracketSpan(i) == span)) {
//
// this bracket is visible
//
Bracket* b = 0;
int track = staffIdx * VOICES;
for (int k = 0; k < bl.size(); ++k) {
if (bl[k]->track() == track && bl[k]->level() == i) {
b = bl.takeAt(k);
break;
}
}
if (b == 0) {
b = new Bracket(score());
b->setGenerated(true);
b->setParent(this);
b->setTrack(track);
b->setLevel(i);
b->setBracketType(s->bracket(i));
b->setSpan(s->bracketSpan(i));
score()->undoAddElement(b);
}
else
_brackets.append(b);
b->setFirstStaff(firstStaff);
b->setLastStaff(lastStaff);
bracketWidth[i] = qMax(bracketWidth[i], b->width());
}
}
if (!s->show())
continue;
foreach(InstrumentName* t, _staves[staffIdx]->instrumentNames) {
t->layout();
qreal w = t->width() + point(instrumentNameOffset);
if (w > xoff2)
xoff2 = w;
}
}
for (Bracket* b : bl)
score()->undoRemoveElement(b);
// qDeleteAll(bl); // delete unused brackets
//---------------------------------------------------
// layout SysStaff and StaffLines
//---------------------------------------------------
// xoff2 += xo1;
_leftMargin = xoff2;
qreal bd = point(score()->styleS(StyleIdx::bracketDistance));
if ( _brackets.size() > 0) {
for (int i = 0; i < bracketLevels; ++i)
_leftMargin += bracketWidth[i] + bd;
}
for (int staffIdx = 0; staffIdx < nstaves; ++staffIdx) {
SysStaff* s = _staves[staffIdx];
Staff* staff = score()->staff(staffIdx);
if (!staff->show() || !s->show()) {
s->setbbox(QRectF());
continue;
}
qreal staffMag = staff->mag();
qreal h;
if (staff->lines() == 1)
h = 2;
else
h = (staff->lines()-1) * staff->lineDistance();
h = h * staffMag * spatium();
s->bbox().setRect(_leftMargin + xo1, 0.0, 0.0, h);
}
if ((nstaves > 1 && score()->styleB(StyleIdx::startBarlineMultiple)) || (nstaves <= 1 && score()->styleB(StyleIdx::startBarlineSingle))) {
if (_barLine == 0) {
BarLine* bl = new BarLine(score());
bl->setParent(this);
bl->setTrack(0);
bl->setGenerated(true);
score()->undoAddElement(bl);
}
}
else if (_barLine)
score()->undoRemoveElement(_barLine);
if (_barLine)
_barLine->rxpos() = _leftMargin + xo1;
//---------------------------------------------------
// layout brackets
//---------------------------------------------------
for (Bracket* b : _brackets) {
qreal xo = -xo1;
for (Bracket* b2 : _brackets) {
if (b->level() > b2->level() &&
((b->firstStaff() >= b2->firstStaff() && b->firstStaff() <= b2->lastStaff()) ||
(b->lastStaff() >= b2->firstStaff() && b->lastStaff() <= b2->lastStaff())))
xo += b2->width() + bd;
}
b->rxpos() = _leftMargin - xo - b->width();
}
//---------------------------------------------------
// layout instrument names x position
//---------------------------------------------------
int idx = 0;
foreach (const Part* p, score()->parts()) {
SysStaff* s = staff(idx);
int nstaves = p->nstaves();
if (s->show() && p->show()) {
foreach(InstrumentName* t, s->instrumentNames) {
t->rxpos() = xoff2 - point(instrumentNameOffset) + xo1;
}
}
idx += nstaves;
}
}
//---------------------------------------------------------
// layout2
// called after measure layout
// adjusts staff distance
//---------------------------------------------------------
void System::layout2()
{
if (isVbox()) // ignore vbox
return;
int nstaves = _staves.size();
qreal _spatium = spatium();
qreal y = 0.0;
int lastStaffIdx = 0; // last visible staff
int firstStaffIdx = -1;
qreal lastStaffDistanceDown = 0.0;
for (int staffIdx = 0; staffIdx < nstaves; ++staffIdx) {
Staff* staff = score()->staff(staffIdx);
StyleIdx downDistance;
qreal userDist = 0.0;
if ((staffIdx + 1) == nstaves) {
//
// last staff in system
//
MeasureBase* mb = ml.last();
bool nextMeasureIsVBOX = false;
if (mb->next()) {
Element::Type type = mb->next()->type();
if (type == Element::Type::VBOX || type == Element::Type::TBOX || type == Element::Type::FBOX)
nextMeasureIsVBOX = true;
}
downDistance = nextMeasureIsVBOX ? StyleIdx::systemFrameDistance : StyleIdx::minSystemDistance;
}
else if (staff->rstaff() < (staff->part()->staves()->size()-1)) {
//
// staff is not last staff in a part
//
downDistance = StyleIdx::akkoladeDistance;
userDist = score()->staff(staffIdx + 1)->userDist();
}
else {
downDistance = StyleIdx::staffDistance;
userDist = score()->staff(staffIdx + 1)->userDist();
}
SysStaff* s = _staves[staffIdx];
qreal distDown = score()->styleS(downDistance).val() * _spatium + userDist;
qreal nominalDistDown = distDown;
qreal distUp = 0.0;
int n = ml.size();
for (int i = 0; i < n; ++i) {
MeasureBase* m = ml.at(i);
distDown = qMax(distDown, m->distanceDown(staffIdx));
distUp = qMax(distUp, m->distanceUp(staffIdx));
}
s->setDistanceDown(distDown);
s->setDistanceUp(distUp);
if (!staff->show() || !s->show()) {
s->setbbox(QRectF()); // already done in layout() ?
continue;
}
qreal sHeight = staff->height();
qreal dup = staffIdx == 0 ? 0.0 : s->distanceUp();
if (staff->lines() == 1)
dup -= _spatium * staff->mag();
s->bbox().setRect(_leftMargin, y + dup, width() - _leftMargin, sHeight);
y += dup + sHeight + s->distanceDown();
lastStaffIdx = staffIdx;
lastStaffDistanceDown = distDown - nominalDistDown;
if (firstStaffIdx == -1)
firstStaffIdx = staffIdx;
}
if (firstStaffIdx == -1)
firstStaffIdx = 0;
qreal systemHeight = staff(lastStaffIdx)->bbox().bottom();
if (lastStaffIdx < nstaves - 1)
systemHeight += lastStaffDistanceDown;
setHeight(systemHeight);
int n = ml.size();
for (int i = 0; i < n; ++i) {
MeasureBase* m = ml.at(i);
if (m->type() == Element::Type::MEASURE) {
// note that the factor 2 * _spatium must be corrected for when exporting
// system distance in MusicXML (issue #24733)
m->bbox().setRect(0.0, -_spatium, m->width(), systemHeight + 2 * _spatium);
}
else if (m->type() == Element::Type::HBOX) {
m->bbox().setRect(0.0, 0.0, m->width(), systemHeight);
static_cast<HBox*>(m)->layout2();
}
}
if (_barLine) {
_barLine->setTrack(firstStaffIdx * VOICES);
_barLine->setSpan(lastStaffIdx - firstStaffIdx + 1);
if (score()->staff(0)->lines() == 1)
_barLine->setSpanFrom(BARLINE_SPAN_1LINESTAFF_FROM);
int spanTo = (score()->staff(lastStaffIdx)->lines() == 1) ?
BARLINE_SPAN_1LINESTAFF_TO :
(score()->staff(lastStaffIdx)->lines()-1)*2;
_barLine->setSpanTo(spanTo);
_barLine->layout();
}
//---------------------------------------------------
// layout brackets vertical position
//---------------------------------------------------
n = _brackets.size();
for (int i = 0; i < n; ++i) {
Bracket* b = _brackets.at(i);
int staffIdx1 = b->firstStaff();
int staffIdx2 = b->lastStaff();
qreal sy = 0; // assume bracket not visible
qreal ey = 0;
// if start staff not visible, try next staff
while (staffIdx1 <= staffIdx2 && !_staves[staffIdx1]->show())
++staffIdx1;
// if end staff not visible, try prev staff
while (staffIdx1 <= staffIdx2 && !_staves[staffIdx2]->show())
--staffIdx2;
// the bracket will be shown IF:
// it spans at least 2 visible staves (staffIdx1 < staffIdx2) OR
// it spans just one visible staff (staffIdx1 == staffIdx2) but it is required to do so
// (the second case happens at least when the bracket is initially dropped)
bool notHidden = (staffIdx1 < staffIdx2) || (b->span() == 1 && staffIdx1 == staffIdx2);
if (notHidden) { // set vert. pos. and height to visible spanned staves
sy = _staves[staffIdx1]->bbox().top();
ey = _staves[staffIdx2]->bbox().bottom();
}
b->rypos() = sy;
b->setHeight(ey - sy);
b->layout();
}
//---------------------------------------------------
// layout instrument names
//---------------------------------------------------
int staffIdx = 0;
n = score()->parts().size();
for (int i = 0; i < n; ++i) {
Part* p = score()->parts().at(i);
SysStaff* s = staff(staffIdx);
int nstaves = p->nstaves();
int nn = s->instrumentNames.size();
for (int k = 0; k < nn; ++k) {
InstrumentName* t = s->instrumentNames.at(k);
//
// override Text->layout()
//
qreal y1, y2;
switch(t->layoutPos()) {
default:
case 0: // center at part
y1 = s->bbox().top();
y2 = staff(staffIdx + nstaves - 1)->bbox().bottom();
break;
case 1: // center at first staff
y1 = s->bbox().top();
y2 = s->bbox().bottom();
break;
case 2: // center between first and second staff
y1 = s->bbox().top();
y2 = staff(staffIdx + 1)->bbox().bottom();
break;
case 3: // center at second staff
y1 = staff(staffIdx + 1)->bbox().top();
y2 = staff(staffIdx + 1)->bbox().bottom();
break;
case 4: // center between first and second staff
y1 = staff(staffIdx + 1)->bbox().top();
y2 = staff(staffIdx + 2)->bbox().bottom();
break;
case 5: // center at third staff
y1 = staff(staffIdx + 2)->bbox().top();
y2 = staff(staffIdx + 2)->bbox().bottom();
break;
}
qreal y = y1 + (y2 - y1) * .5;
t->rypos() = y;
}
staffIdx += nstaves;
}
}
//---------------------------------------------------------
/// clear
/// Clear layout of System
//---------------------------------------------------------
void System::clear()
{
ml.clear();
foreach (SpannerSegment* ss, _spannerSegments) {
// qDebug("System::clear %s", ss->name());
if (ss->system() == this)
ss->setParent(0); // assume parent() is System
}
_spannerSegments.clear();
_vbox = false;
_firstSystem = false;
_pageBreak = false;
}
//---------------------------------------------------------
// setInstrumentNames
//---------------------------------------------------------
void System::setInstrumentNames(bool longName)
{
//
// remark: add/remove instrument names is not undo/redoable
// as add/remove of systems is not undoable
//
if (isVbox()) // ignore vbox
return;
if (!score()->showInstrumentNames()
|| (score()->styleB(StyleIdx::hideInstrumentNameIfOneInstrument) && score()->parts().size() == 1)) {
for (int staffIdx = 0; staffIdx < score()->nstaves(); ++staffIdx) {
SysStaff* staff = _staves[staffIdx];
foreach(InstrumentName* t, staff->instrumentNames)
score()->removeElement(t);
}
return;
}
int tick = ml.isEmpty() ? 0 : ml.front()->tick();
for (int staffIdx = 0; staffIdx < score()->nstaves(); ++staffIdx) {
SysStaff* staff = _staves[staffIdx];
Staff* s = score()->staff(staffIdx);
if (!s->isTop()) {
foreach(InstrumentName* t, staff->instrumentNames)
score()->removeElement(t);
continue;
}
Part* part = s->part();
const QList<StaffName>& names = longName? part->longNames(tick) : part->shortNames(tick);
int idx = 0;
foreach(const StaffName& sn, names) {
InstrumentName* iname = staff->instrumentNames.value(idx);
if (iname == 0) {
iname = new InstrumentName(score());
iname->setGenerated(true);
iname->setParent(this);
iname->setTrack(staffIdx * VOICES);
iname->setInstrumentNameType(longName ? InstrumentNameType::LONG : InstrumentNameType::SHORT);
score()->addElement(iname);
}
iname->setText(sn.name);
iname->setLayoutPos(sn.pos);
++idx;
}
for (; idx < staff->instrumentNames.size(); ++idx)
score()->removeElement(staff->instrumentNames[idx]);
}
}
//---------------------------------------------------------
// y2staff
//---------------------------------------------------------
/**
Return staff number for canvas relative y position \a y
or -1 if not found.
To allow drag and drop above and below the staff, the actual y range
considered "inside" the staff is increased by "margin".
*/
int System::y2staff(qreal y) const
{
y -= pos().y();
int idx = 0;
qreal margin = spatium() * 2;
foreach (SysStaff* s, _staves) {
qreal y1 = s->bbox().top() - margin;
qreal y2 = s->bbox().bottom() + margin;
if (y >= y1 && y < y2)
return idx;
++idx;
}
return -1;
}
//---------------------------------------------------------
// add
//---------------------------------------------------------
void System::add(Element* el)
{
// qDebug("%p System::add: %p %s", this, el, el->name());
el->setParent(this);
switch(el->type()) {
case Element::Type::INSTRUMENT_NAME:
// qDebug(" staffIdx %d, staves %d", el->staffIdx(), _staves.size());
_staves[el->staffIdx()]->instrumentNames.append(static_cast<InstrumentName*>(el));
break;
case Element::Type::BEAM:
score()->addElement(el);
break;
case Element::Type::BRACKET:
{
Bracket* b = static_cast<Bracket*>(el);
int staffIdx = b->staffIdx();
int level = b->level();
if (level == -1) {
level = 0;
foreach(Bracket* bb, _brackets) {
if (staffIdx >= bb->firstStaff() && staffIdx <= bb->lastStaff())
++level;
}
b->setLevel(level);
b->setSpan(1);
}
// b->staff()->setBracket(level, b->bracketType());
// b->staff()->setBracketSpan(level, b->span());
_brackets.append(b);
}
break;
case Element::Type::MEASURE:
case Element::Type::HBOX:
case Element::Type::VBOX:
case Element::Type::TBOX:
case Element::Type::FBOX:
score()->addElement(static_cast<MeasureBase*>(el));
break;
case Element::Type::TEXTLINE_SEGMENT:
case Element::Type::HAIRPIN_SEGMENT:
case Element::Type::OTTAVA_SEGMENT:
case Element::Type::TRILL_SEGMENT:
case Element::Type::VOLTA_SEGMENT:
case Element::Type::SLUR_SEGMENT:
case Element::Type::PEDAL_SEGMENT:
{
SpannerSegment* ss = static_cast<SpannerSegment*>(el);
#ifndef NDEBUG
if (_spannerSegments.contains(ss))
qDebug("System::add() %s %p already there", ss->name(), ss);
else
#endif
_spannerSegments.append(ss);
}
break;
case Element::Type::BAR_LINE:
if (_barLine)
qDebug("%p System::add(%s, %p): there is already a barline %p", this, el->name(), el, _barLine);
_barLine = static_cast<BarLine*>(el);
break;
default:
qDebug("System::add(%s) not implemented", el->name());
break;
}
}
//---------------------------------------------------------
// remove
//---------------------------------------------------------
void System::remove(Element* el)
{
//no! el->setParent(0);
switch (el->type()) {
case Element::Type::INSTRUMENT_NAME:
_staves[el->staffIdx()]->instrumentNames.removeOne(static_cast<InstrumentName*>(el));
break;
case Element::Type::BEAM:
score()->removeElement(el);
break;
case Element::Type::BRACKET:
{
Bracket* b = static_cast<Bracket*>(el);
if (!_brackets.removeOne(b))
qDebug("System::remove: bracket not found");
// b->staff()->setBracket(b->level(), NO_BRACKET);
}
break;
case Element::Type::MEASURE:
case Element::Type::HBOX:
case Element::Type::VBOX:
case Element::Type::TBOX:
case Element::Type::FBOX:
score()->removeElement(el);
break;
case Element::Type::TEXTLINE_SEGMENT:
case Element::Type::HAIRPIN_SEGMENT:
case Element::Type::OTTAVA_SEGMENT:
case Element::Type::TRILL_SEGMENT:
case Element::Type::VOLTA_SEGMENT:
case Element::Type::SLUR_SEGMENT:
case Element::Type::PEDAL_SEGMENT:
if (!_spannerSegments.removeOne(static_cast<SpannerSegment*>(el))) {
qDebug("System::remove: %p(%s) not found, score %p", el, el->name(), score());
Q_ASSERT(score() == el->score());
}
break;
case Element::Type::BAR_LINE:
if (_barLine == 0)
qDebug("System::remove(%s): there is no barline", el->name());
_barLine = 0;
break;
default:
qDebug("System::remove(%s) not implemented", el->name());
break;
}
}
//---------------------------------------------------------
// change
//---------------------------------------------------------
void System::change(Element* o, Element* n)
{
if (o->type() == Element::Type::VBOX || o->type() == Element::Type::HBOX || o->type() == Element::Type::TBOX || o->type() == Element::Type::FBOX) {
int idx = ml.indexOf((MeasureBase*)o);
if (idx != -1)
ml.removeAt(idx);
ml.insert(idx, (MeasureBase*)n);
score()->measures()->change((MeasureBase*)o, (MeasureBase*)n);
}
else {
remove(o);
add(n);
}
}
//---------------------------------------------------------
// snap
//---------------------------------------------------------
int System::snap(int tick, const QPointF p) const
{
foreach(const MeasureBase* m, ml) {
if (p.x() < m->x() + m->width())
return ((Measure*)m)->snap(tick, p - m->pos()); //TODO: MeasureBase
}
return ((Measure*)ml.back())->snap(tick, p-pos()); //TODO: MeasureBase
}
//---------------------------------------------------------
// snap
//---------------------------------------------------------
int System::snapNote(int tick, const QPointF p, int staff) const
{
foreach(const MeasureBase* m, ml) {
if (p.x() < m->x() + m->width())
return ((Measure*)m)->snapNote(tick, p - m->pos(), staff); //TODO: MeasureBase
}
return ((Measure*)ml.back())->snap(tick, p-pos()); // TODO: MeasureBase
}
//---------------------------------------------------------
// firstMeasure
//---------------------------------------------------------
Measure* System::firstMeasure() const
{
if (ml.isEmpty())
return 0;
for (MeasureBase* mb = ml.front(); mb; mb = mb->nextMM()) {
if (mb->type() != Element::Type::MEASURE)
continue;
return static_cast<Measure*>(mb);
}
return 0;
}
//---------------------------------------------------------
// lastMeasure
//---------------------------------------------------------
Measure* System::lastMeasure() const
{
if (ml.isEmpty())
return 0;
for (MeasureBase* mb = ml.back(); mb; mb = mb->prev()) {
if (mb->type() != Element::Type::MEASURE)
continue;
return static_cast<Measure*>(mb);
}
return 0;
}
//---------------------------------------------------------
// prevMeasure
//---------------------------------------------------------
MeasureBase* System::prevMeasure(const MeasureBase* m) const
{
if (m == ml.front())
return 0;
return m->prev();
}
//---------------------------------------------------------
// nextMeasure
//---------------------------------------------------------
MeasureBase* System::nextMeasure(const MeasureBase* m) const
{
if (m == ml.back())
return 0;
return m->next();
}
//---------------------------------------------------------
// searchNextLyrics
//---------------------------------------------------------
static Lyrics* searchNextLyrics(Segment* s, int staffIdx, int verse)
{
Lyrics* l = 0;
while ((s = s->next1(Segment::Type::ChordRest))) {
int strack = staffIdx * VOICES;
int etrack = strack + VOICES;
QList<Lyrics*>* nll = 0;
for (int track = strack; track < etrack; ++track) {
ChordRest* cr = static_cast<ChordRest*>(s->element(track));
if (cr && !cr->lyricsList().isEmpty()) {
nll = &cr->lyricsList();
break;
}
}
if (!nll)
continue;
l = nll->value(verse);
if (l)
break;
}
return l;
}
//---------------------------------------------------------
// layoutLyrics
// layout lyrics separator
//---------------------------------------------------------
void System::layoutLyrics(Lyrics* l, Segment* s, int staffIdx)
{
if ((l->syllabic() == Lyrics::Syllabic::SINGLE || l->syllabic() == Lyrics::Syllabic::END) && (l->ticks() == 0)) {
l->clearSeparator();
return;
}
qreal _spatium = spatium();
const TextStyle& ts = l->textStyle();
qreal lmag = qreal(ts.size()) / 11.0;
qreal staffMag = l->staff()->mag();
if (l->ticks()) {
// melisma
Segment* seg = score()->tick2segment(l->endTick());
if (seg == 0) {
qDebug("System::layoutLyrics: no segment found for tick %d", l->endTick());
return;
}
QList<Line*>* sl = l->separatorList();
QList<System*>* systems = score()->systems();
System* s1 = this;
System* s2 = seg->measure()->system();
int sysIdx1 = systems->indexOf(s1);
int sysIdx2 = systems->indexOf(s2);
qreal x1 = l->bbox().right(); // lyrics width
QPointF p1(x1, 0); // melisma y is at base line
int segIdx = 0;
for (int i = sysIdx1; i <= sysIdx2; ++i, ++segIdx) {
System* system = (*systems)[i];
Line* line = sl->value(segIdx);
if (line == 0) {
line = new Line(l->score(), false);
l->add(line);
}
line->setLineWidth(Spatium(0.1 * lmag * staffMag));
line->setPos(p1);
if (sysIdx1 == sysIdx2) {
// single segment
qreal headWidth = score()->noteHeadWidth();
qreal len = seg->pagePos().x() - l->pagePos().x() - x1 + headWidth;
line->setLen(Spatium(len / _spatium));
Lyrics* nl = searchNextLyrics(seg, staffIdx, l->no());
// small correction if next lyrics is moved? not needed if on another system
if (nl && nl->measure()->system() == s1) {
qreal x2 = nl->bbox().left() + nl->pagePos().x();
qreal lx2 = line->pagePos().x() + len;
//qDebug("Line %f text %f", lx2, x2);
if (lx2 > x2)
len -= (lx2 - x2);
}
line->setLen(Spatium(len / _spatium));
}
else if (i == sysIdx1) {
// start segment
qreal w = system->staff(l->staffIdx())->right();
qreal x = system->pagePos().x() + w;
qreal len = x - l->pagePos().x() - x1;
line->setLen(Spatium(len / _spatium));
}
else if (i > 0 && i != sysIdx2) {
qDebug("Lyrics: melisma middle segment not implemented");
// middle segment
}
else if (i == sysIdx2) {
// end segment
qDebug("Lyrics: melisma end segment not implemented");
}
line->layout();
}
return;
}
//
// we have to layout a separator to the next
// Lyric syllable
//
int verse = l->no();
Segment* ns = s;
// TODO: the next two values should be style parameters
// TODO: as well as the 0.3 factor a few lines below
const qreal maxl = 0.5 * _spatium * lmag * staffMag; // lyrics hyphen length
const Spatium hlw(0.14 * lmag * staffMag); // hyphen line width
Lyrics* nl = searchNextLyrics(ns, staffIdx, verse);
if (!nl) {
l->clearSeparator();
return;
}
QList<Line*>* sl = l->separatorList();
Line* line;
if (sl->isEmpty()) {
line = new Line(l->score(), false);
l->add(line);
}
else {
line = (*sl)[0];
}
qreal x = l->bbox().right();
// convert font size to raster units, scaling if spatium-dependent
qreal size = ts.size();
if(ts.sizeIsSpatiumDependent())
size *= _spatium / (SPATIUM20 * PPI); // <= (MScore::DPI / PPI) * (_spatium / (SPATIUM20 * Mscore::DPI))
else
size *= MScore::DPI / PPI;
qreal y = -size * staffMag * 0.3; // a conventional percentage of the whole font height
qreal x1 = x + l->pagePos().x();
qreal x2 = nl->bbox().left() + nl->pagePos().x();
qreal len;
if (x2 < x1 || s->measure()->system()->page() != ns->measure()->system()->page()) {
System* system = s->measure()->system();
x2 = system->pagePos().x() + system->bbox().width();
}
qreal gap = x2 - x1;
len = gap;
if (len > maxl)
len = maxl;
qreal xo = (gap - len) * .5;
line->setLineWidth(hlw);
line->setPos(QPointF(x + xo, y));
line->setLen(Spatium(len / _spatium));
line->layout();
}
//---------------------------------------------------------
// scanElements
// collect all visible elements
//---------------------------------------------------------
void System::scanElements(void* data, void (*func)(void*, Element*), bool all)
{
if (isVbox())
return;
if (_barLine)
func(data, _barLine);
foreach(Bracket* b, _brackets)
func(data, b);
int idx = 0;
foreach (SysStaff* st, _staves) {
if (!all && !(st->show() && score()->staff(idx)->show())) {
++idx;
continue;
}
foreach (InstrumentName* t, st->instrumentNames)
func(data, t);
++idx;
}
foreach (SpannerSegment* ss, _spannerSegments) {
int staffIdx = ss->spanner()->staffIdx();