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MuseScore/libmscore/measure.cpp

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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2002-2016 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 most part of class Measure.
*/
#include "measure.h"
#include "accidental.h"
#include "ambitus.h"
#include "articulation.h"
#include "barline.h"
#include "beam.h"
#include "box.h"
#include "bracket.h"
#include "breath.h"
#include "chord.h"
#include "clef.h"
#include "drumset.h"
#include "duration.h"
#include "dynamic.h"
#include "fret.h"
#include "glissando.h"
#include "hairpin.h"
#include "harmony.h"
#include "hook.h"
#include "icon.h"
#include "image.h"
#include "key.h"
#include "keysig.h"
#include "layoutbreak.h"
#include "layout.h"
#include "note.h"
#include "ottava.h"
#include "page.h"
#include "part.h"
#include "pedal.h"
#include "pitchspelling.h"
#include "repeat.h"
#include "rest.h"
#include "score.h"
#include "segment.h"
#include "select.h"
#include "sig.h"
#include "slur.h"
#include "spacer.h"
#include "staff.h"
#include "stafftext.h"
#include "stafftype.h"
#include "stringdata.h"
#include "style.h"
#include "sym.h"
#include "system.h"
#include "tempotext.h"
#include "text.h"
#include "tie.h"
#include "tiemap.h"
#include "timesig.h"
#include "tremolo.h"
#include "trill.h"
#include "tuplet.h"
#include "tupletmap.h"
#include "undo.h"
#include "utils.h"
#include "volta.h"
#include "xml.h"
#include "systemdivider.h"
namespace Ms {
//---------------------------------------------------------
// MStaff
//---------------------------------------------------------
MStaff::~MStaff()
{
delete _noText;
delete lines;
delete _vspacerUp;
delete _vspacerDown;
}
MStaff::MStaff(const MStaff& m)
{
_noText = 0;
lines = new StaffLines(*m.lines);
hasVoices = m.hasVoices;
_vspacerUp = 0;
_vspacerDown = 0;
_visible = m._visible;
_slashStyle = m._slashStyle;
#ifndef NDEBUG
_corrupted = m._corrupted;
#endif
}
//---------------------------------------------------------
// Measure
//---------------------------------------------------------
Measure::Measure(Score* s)
: MeasureBase(s), _timesig(4,4), _len(4,4)
{
_repeatCount = 2;
int n = score()->nstaves();
_mstaves.reserve(n);
for (int staffIdx = 0; staffIdx < n; ++staffIdx) {
MStaff* s = new MStaff;
Staff* staff = score()->staff(staffIdx);
s->lines = new StaffLines(score());
s->lines->setTrack(staffIdx * VOICES);
s->lines->setParent(this);
s->lines->setVisible(!staff->invisible());
_mstaves.push_back(s);
}
setIrregular(false);
_noMode = MeasureNumberMode::AUTO;
_userStretch = 1.0;
_breakMultiMeasureRest = false;
_mmRest = 0;
_mmRestCount = 0;
setFlag(ElementFlag::MOVABLE, true);
}
//---------------------------------------------------------
// measure
//---------------------------------------------------------
Measure::Measure(const Measure& m)
: MeasureBase(m)
{
_segments = m._segments.clone();
_timesig = m._timesig;
_len = m._len;
_repeatCount = m._repeatCount;
_userStretch = m._userStretch;
_mstaves.reserve(m._mstaves.size());
for (MStaff* ms : m._mstaves)
_mstaves.push_back(new MStaff(*ms));
_breakMultiMeasureRest = m._breakMultiMeasureRest;
_mmRest = m._mmRest;
_mmRestCount = m._mmRestCount;
_playbackCount = m._playbackCount;
}
//---------------------------------------------------------
// setScore
//---------------------------------------------------------
void Measure::setScore(Score* score)
{
MeasureBase::setScore(score);
for (Segment* s = first(); s; s = s->next())
s->setScore(score);
}
//---------------------------------------------------------
// MStaff::setScore
//---------------------------------------------------------
void MStaff::setScore(Score* score)
{
lines->setScore(score);
if (_vspacerUp)
_vspacerUp->setScore(score);
if (_vspacerDown)
_vspacerDown->setScore(score);
}
//---------------------------------------------------------
// Measure
//---------------------------------------------------------
Measure::~Measure()
{
for (Segment* s = first(); s;) {
Segment* ns = s->next();
delete s;
s = ns;
}
qDeleteAll(_mstaves);
}
//---------------------------------------------------------
// AcEl
//---------------------------------------------------------
struct AcEl {
Note* note;
qreal x;
};
//---------------------------------------------------------
// findAccidental
/// return current accidental value at note position
//---------------------------------------------------------
AccidentalVal Measure::findAccidental(Note* note) const
{
Chord* chord = note->chord();
AccidentalState tversatz; // state of already set accidentals for this measure
tversatz.init(chord->staff()->key(tick()));
for (Segment* segment = first(); segment; segment = segment->next()) {
int startTrack = chord->staffIdx() * VOICES;
if (segment->isKeySigType()) {
KeySig* ks = toKeySig(segment->element(startTrack));
if (!ks)
continue;
tversatz.init(chord->staff()->key(segment->tick()));
}
else if (segment->segmentType() == Segment::Type::ChordRest) {
int endTrack = startTrack + VOICES;
for (int track = startTrack; track < endTrack; ++track) {
Element* e = segment->element(track);
if (!e || !e->isChord())
continue;
Chord* chord = toChord(e);
for (Chord* chord1 : chord->graceNotes()) {
for (Note* note1 : chord1->notes()) {
if (note1->tieBack())
continue;
//
// compute accidental
//
int tpc = note1->tpc();
int line = absStep(tpc, note1->epitch());
if (note == note1)
return tversatz.accidentalVal(line);
tversatz.setAccidentalVal(line, tpc2alter(tpc));
}
}
for (Note* note1 : chord->notes()) {
if (note1->tieBack())
continue;
//
// compute accidental
//
int tpc = note1->tpc();
int line = absStep(tpc, note1->epitch());
if (note == note1)
return tversatz.accidentalVal(line);
tversatz.setAccidentalVal(line, tpc2alter(tpc));
}
}
}
}
qDebug("Measure::findAccidental: note not found");
return AccidentalVal::NATURAL;
}
//---------------------------------------------------------
// findAccidental
/// Compute accidental state at segment/staffIdx for
/// relative staff line.
//---------------------------------------------------------
AccidentalVal Measure::findAccidental(Segment* s, int staffIdx, int line, bool &error) const
{
AccidentalState tversatz; // state of already set accidentals for this measure
Staff* staff = score()->staff(staffIdx);
tversatz.init(staff->key(tick()));
Segment::Type st = Segment::Type::ChordRest;
int startTrack = staffIdx * VOICES;
int endTrack = startTrack + VOICES;
for (Segment* segment = first(st); segment; segment = segment->next(st)) {
if (segment == s && staff->isPitchedStaff()) {
ClefType clef = staff->clef(s->tick());
int l = relStep(line, clef);
return tversatz.accidentalVal(l, error);
}
for (int track = startTrack; track < endTrack; ++track) {
Element* e = segment->element(track);
if (!e || !e->isChord())
continue;
Chord* chord = toChord(e);
for (Chord* chord1 : chord->graceNotes()) {
for (Note* note : chord1->notes()) {
if (note->tieBack())
continue;
int tpc = note->tpc();
int l = absStep(tpc, note->epitch());
tversatz.setAccidentalVal(l, tpc2alter(tpc));
}
}
for (Note* note : chord->notes()) {
if (note->tieBack())
continue;
int tpc = note->tpc();
int l = absStep(tpc, note->epitch());
tversatz.setAccidentalVal(l, tpc2alter(tpc));
}
}
}
qDebug("segment not found");
return AccidentalVal::NATURAL;
}
//---------------------------------------------------------
// tick2pos
// return x position for tick relative to System
//---------------------------------------------------------
qreal Measure::tick2pos(int tck) const
{
tck -= ticks();
if (isMMRest()) {
Segment* s = first(Segment::Type::ChordRest);
qreal x1 = s->x();
qreal w = width() - x1;
return x1 + (tck * w) / (ticks() * mmRestCount());
}
Segment* s;
qreal x1 = 0;
qreal x2 = 0;
int tick1 = 0;
int tick2 = 0;
for (s = first(Segment::Type::ChordRest); s; s = s->next(Segment::Type::ChordRest)) {
x2 = s->x();
tick2 = s->rtick();
if (tck == tick2)
return x2 + pos().x();
if (tck <= tick2)
break;
x1 = x2;
tick1 = tick2;
}
if (s == 0) {
x2 = width();
tick2 = ticks();
}
qreal dx = x2 - x1;
int dt = tick2 - tick1;
x1 += (dt == 0) ? 0.0 : (dx * (tck - tick1) / dt);
return x1 + pos().x();
}
//---------------------------------------------------------
// layout2
// called after layout of page
//---------------------------------------------------------
void Measure::layout2()
{
Q_ASSERT(parent());
Q_ASSERT(score()->nstaves() == int(_mstaves.size()));
qreal _spatium = spatium();
for (int staffIdx = 0; staffIdx < score()->nstaves(); ++staffIdx) {
MStaff* ms = _mstaves[staffIdx];
Spacer* sp = ms->_vspacerDown;
if (sp) {
sp->layout();
int n = score()->staff(staffIdx)->lines() - 1;
qreal y = system()->staff(staffIdx)->y();
sp->setPos(_spatium * .5, y + n * _spatium);
}
sp = ms->_vspacerUp;
if (sp) {
sp->layout();
qreal y = system()->staff(staffIdx)->y();
sp->setPos(_spatium * .5, y - sp->gap());
}
}
MeasureBase::layout(); // layout LAYOUT_BREAK elements
//---------------------------------------------------
// set measure number
//---------------------------------------------------
bool smn = false;
if (_noMode == MeasureNumberMode::SHOW)
smn = true;
else if (_noMode == MeasureNumberMode::HIDE)
smn = false;
else {
if (score()->styleB(StyleIdx::showMeasureNumber)
&& !irregular()
&& (no() || score()->styleB(StyleIdx::showMeasureNumberOne))) {
if (score()->styleB(StyleIdx::measureNumberSystem))
smn = system()->firstMeasure() == this;
else {
smn = (no() == 0 && score()->styleB(StyleIdx::showMeasureNumberOne)) ||
( ((no()+1) % score()->style(StyleIdx::measureNumberInterval).toInt()) == 0 );
}
}
}
QString s;
if (smn)
s = QString("%1").arg(no() + 1);
int nn = 1;
bool nas = score()->styleB(StyleIdx::measureNumberAllStaffs);
if (!nas) {
//find first non invisible staff
for (unsigned staffIdx = 0; staffIdx < _mstaves.size(); ++staffIdx) {
MStaff* ms = _mstaves[staffIdx];
SysStaff* s = system()->staff(staffIdx);
Staff* staff = score()->staff(staffIdx);
if (ms->visible() && staff->show() && s->show()) {
nn = staffIdx;
break;
}
}
}
for (int staffIdx = 0; staffIdx < int(_mstaves.size()); ++staffIdx) {
MStaff* ms = _mstaves[staffIdx];
Text* t = ms->noText();
if (t)
t->setTrack(staffIdx * VOICES);
if (smn && ((staffIdx == nn) || nas)) {
if (t == 0) {
t = new Text(score());
t->setFlag(ElementFlag::ON_STAFF, true);
t->setTrack(staffIdx * VOICES);
t->setGenerated(true);
t->setTextStyleType(TextStyleType::MEASURE_NUMBER);
t->setParent(this);
add(t);
}
t->setXmlText(s);
t->layout();
}
else {
if (t) {
if (t->generated())
score()->removeElement(t);
else
score()->undo(new RemoveElement(t));
}
}
}
//---------------------------------------------------
// layout ties, spanners and tuples
//---------------------------------------------------
int tracks = score()->ntracks();
static const Segment::Type st { Segment::Type::ChordRest };
for (int track = 0; track < tracks; ++track) {
if (!score()->staff(track / VOICES)->show()) {
track += VOICES-1;
continue;
}
for (Segment* s = first(st); s; s = s->next(st)) {
ChordRest* cr = s->cr(track);
if (!cr)
continue;
if (cr->isChord()) {
Chord* c = toChord(cr);
for (const Note* note : c->notes()) {
Tie* tie = note->tieFor();
if (tie)
tie->layout();
for (Spanner* sp : note->spannerFor())
sp->layout();
}
}
DurationElement* de = cr;
while (de->tuplet() && de->tuplet()->elements().front() == de) {
de->tuplet()->layout();
de = de->tuplet();
}
}
}
}
//---------------------------------------------------------
// findChord
/// Search for chord at position \a tick in \a track
//---------------------------------------------------------
Chord* Measure::findChord(int t, int track)
{
t -= tick();
for (Segment* seg = last(); seg; seg = seg->prev()) {
if (seg->rtick() < t)
return 0;
if (seg->rtick() == t) {
Element* el = seg->element(track);
if (el && el->isChord())
return toChord(el);
}
}
return 0;
}
//---------------------------------------------------------
// findChordRest
/// Search for chord or rest at position \a tick at \a staff in \a voice.
//---------------------------------------------------------
ChordRest* Measure::findChordRest(int t, int track)
{
t -= tick();
for (const Segment& seg : _segments) {
if (seg.rtick() > t)
return 0;
if (seg.rtick() == t) {
Element* el = seg.element(track);
if (el && el->isChordRest())
return toChordRest(el);
}
}
return 0;
}
//---------------------------------------------------------
// tick2segment
//---------------------------------------------------------
Segment* Measure::tick2segment(int t, Segment::Type st)
{
t -= tick();
for (Segment& s : _segments) {
if (s.rtick() == t) {
if (s.segmentType() & st)
return &s;
}
if (s.rtick() > t)
break;
}
return 0;
}
//---------------------------------------------------------
// findSegment
/// Search for a segment of type \a st at position \a t.
//---------------------------------------------------------
Segment* Measure::findSegment(Segment::Type st, int t) const
{
t -= tick();
Segment* s;
if (t > ticks()/2) {
// search backwards
for (s = last(); s && s->rtick() > t; s = s->prev())
;
while (s && s->prev() && s->prev()->rtick() == t)
s = s->prev();
}
else {
// search forwards
for (s = first(); s && s->rtick() < t; s = s->next())
;
}
for (; s && s->rtick() == t; s = s->next()) {
if (s->segmentType() & st)
return s;
}
return 0;
}
//---------------------------------------------------------
// getSegment
/// Get a segment of type \a st at tick position \a t.
/// If the segment does not exist, it is created.
//---------------------------------------------------------
Segment* Measure::getSegment(Segment::Type st, int t)
{
return getSegmentR(st, t - tick());
}
//---------------------------------------------------------
// findSegmentR
// Search for a segment of type st at relative
// position t.
//---------------------------------------------------------
Segment* Measure::findSegmentR(Segment::Type st, int t) const
{
Segment* s;
if (t > ticks()/2) {
// search backwards
for (s = last(); s && s->rtick() > t; s = s->prev())
;
while (s && s->prev() && s->prev()->rtick() == t)
s = s->prev();
}
else {
// search forwards
for (s = first(); s && s->rtick() < t; s = s->next())
;
}
for (; s && s->rtick() == t; s = s->next()) {
if (s->segmentType() & st)
return s;
}
return 0;
}
//---------------------------------------------------------
// findFirst
// return first segment of type st at relative
// position t.
//---------------------------------------------------------
Segment* Measure::findFirst(Segment::Type st, int t) const
{
Segment* s;
// search forwards
for (s = first(); s && s->rtick() <= t; s = s->next()) {
if (s->segmentType() == st)
return s;
}
return 0;
}
//---------------------------------------------------------
// getSegmentR
/// Get a segment of type \a st at relative tick position \a t.
/// If the segment does not exist, it is created.
//---------------------------------------------------------
Segment* Measure::getSegmentR(Segment::Type st, int t)
{
Segment* s = findSegmentR(st, t);
if (!s) {
s = new Segment(this, st, t);
add(s);
}
return s;
}
//---------------------------------------------------------
// undoGetSegment
//---------------------------------------------------------
Segment* Measure::undoGetSegment(Segment::Type type, int t)
{
return undoGetSegmentR(type, t-tick());
}
//---------------------------------------------------------
// undoGetSegmentR
//---------------------------------------------------------
Segment* Measure::undoGetSegmentR(Segment::Type type, int t)
{
Segment* s = findSegmentR(type, t);
if (s == 0) {
s = new Segment(this, type, t);
score()->undoAddElement(s);
}
return s;
}
//---------------------------------------------------------
// add
/// Add new Element \a el to Measure.
//---------------------------------------------------------
void Measure::add(Element* e)
{
e->setParent(this);
Element::Type type = e->type();
switch (type) {
case Element::Type::SEGMENT:
{
Segment* seg = toSegment(e);
int t = seg->rtick();
Segment::Type st = seg->segmentType();
Segment* s;
for (s = first(); s && s->rtick() < t; s = s->next())
;
while (s && s->rtick() == t) {
if (s->segmentType() > st)
break;
s = s->next();
}
seg->setParent(this);
_segments.insert(seg, s);
//
// update measure flags
//
if (seg->header())
seg->measure()->setHeader(true);
if (seg->trailer())
seg->measure()->setTrailer(true);
}
break;
case Element::Type::TEXT:
if (e->staffIdx() < int(_mstaves.size()))
_mstaves[e->staffIdx()]->setNoText(toText(e));
break;
case Element::Type::SPACER:
{
Spacer* sp = toSpacer(e);
switch (sp->spacerType()) {
case SpacerType::UP:
_mstaves[e->staffIdx()]->_vspacerUp = sp;
break;
case SpacerType::DOWN:
case SpacerType::FIXED:
_mstaves[e->staffIdx()]->_vspacerDown = sp;
break;
}
}
break;
case Element::Type::JUMP:
setRepeatJump(true);
// fall through
case Element::Type::MARKER:
el().push_back(e);
break;
case Element::Type::HBOX:
if (e->staff())
e->setMag(e->staff()->mag()); // ?!
el().push_back(e);
break;
case Element::Type::MEASURE:
_mmRest = toMeasure(e);
break;
default:
MeasureBase::add(e);
break;
}
}
//---------------------------------------------------------
// remove
/// Remove Element \a el from Measure.
//---------------------------------------------------------
void Measure::remove(Element* e)
{
Q_ASSERT(e->parent() == this);
Q_ASSERT(e->score() == score());
switch (e->type()) {
case Element::Type::SEGMENT:
{
Segment* s = toSegment(e);
_segments.remove(s);
//
// update measure flags
//
if (s->header())
s->measure()->checkHeader();
if (s->trailer())
s->measure()->checkTrailer();
}
break;
case Element::Type::TEXT:
_mstaves[e->staffIdx()]->setNoText(nullptr);
break;
case Element::Type::SPACER:
switch (toSpacer(e)->spacerType()) {
case SpacerType::DOWN:
case SpacerType::FIXED:
_mstaves[e->staffIdx()]->_vspacerDown = 0;
break;
case SpacerType::UP:
_mstaves[e->staffIdx()]->_vspacerUp = 0;
break;
}
break;
case Element::Type::JUMP:
setRepeatJump(false);
// fall through
case Element::Type::MARKER:
case Element::Type::HBOX:
if (!el().remove(e)) {
qDebug("Measure(%p)::remove(%s,%p) not found", this, e->name(), e);
}
break;
case Element::Type::CLEF:
case Element::Type::CHORD:
case Element::Type::REST:
case Element::Type::TIMESIG:
for (Segment* segment = first(); segment; segment = segment->next()) {
int staves = score()->nstaves();
int tracks = staves * VOICES;
for (int track = 0; track < tracks; ++track) {
Element* ee = segment->element(track);
if (ee == e) {
segment->setElement(track, 0);
return;
}
}
}
qDebug("Measure::remove: %s %p not found", e->name(), e);
break;
case Element::Type::MEASURE:
_mmRest = 0;
break;
default:
MeasureBase::remove(e);
break;
}
}
//---------------------------------------------------------
// change
//---------------------------------------------------------
void Measure::change(Element* o, Element* n)
{
if (o->isTuplet()) {
Tuplet* t = toTuplet(n);
for (DurationElement* e : t->elements())
e->setTuplet(t);
}
else {
remove(o);
add(n);
}
}
//---------------------------------------------------------
// spatiumChanged
//---------------------------------------------------------
void Measure::spatiumChanged(qreal /*oldValue*/, qreal /*newValue*/)
{
}
//-------------------------------------------------------------------
// moveTicks
// Also adjust endBarLine if measure len has changed. For this
// diff == 0 cannot be optimized away
//-------------------------------------------------------------------
void Measure::moveTicks(int diff)
{
setTick(tick() + diff);
for (Segment* segment = last(); segment; segment = segment->prev()) {
if (segment->segmentType() & (Segment::Type::EndBarLine | Segment::Type::TimeSigAnnounce))
segment->setTick(tick() + ticks());
else if (segment->isChordRestType())
break;
}
}
//---------------------------------------------------------
// removeStaves
//---------------------------------------------------------
void Measure::removeStaves(int sStaff, int eStaff)
{
for (Segment* s = first(); s; s = s->next()) {
for (int staff = eStaff-1; staff >= sStaff; --staff) {
s->removeStaff(staff);
}
}
for (Element* e : el()) {
if (e->track() == -1)
continue;
int voice = e->voice();
int staffIdx = e->staffIdx();
if (staffIdx >= eStaff) {
staffIdx -= eStaff - sStaff;
e->setTrack(staffIdx * VOICES + voice);
}
}
}
//---------------------------------------------------------
// insertStaves
//---------------------------------------------------------
void Measure::insertStaves(int sStaff, int eStaff)
{
for (Element* e : el()) {
if (e->track() == -1)
continue;
int staffIdx = e->staffIdx();
if (staffIdx >= sStaff && !e->systemFlag()) {
int voice = e->voice();
staffIdx += eStaff - sStaff;
e->setTrack(staffIdx * VOICES + voice);
}
}
for (Segment* s = first(); s; s = s->next()) {
for (int staff = sStaff; staff < eStaff; ++staff) {
s->insertStaff(staff);
}
}
}
//---------------------------------------------------------
// cmdRemoveStaves
//---------------------------------------------------------
void Measure::cmdRemoveStaves(int sStaff, int eStaff)
{
int sTrack = sStaff * VOICES;
int eTrack = eStaff * VOICES;
for (Segment* s = first(); s; s = s->next()) {
for (int track = eTrack - 1; track >= sTrack; --track) {
Element* el = s->element(track);
if (el) {
el->undoUnlink();
score()->undo(new RemoveElement(el));
}
}
foreach (Element* e, s->annotations()) {
int staffIdx = e->staffIdx();
if ((staffIdx >= sStaff) && (staffIdx < eStaff) && !e->systemFlag()) {
e->undoUnlink();
score()->undo(new RemoveElement(e));
}
}
}
for (Element* e : el()) {
if (e->track() == -1)
continue;
int staffIdx = e->staffIdx();
if (staffIdx >= sStaff && (staffIdx < eStaff) && !e->systemFlag()) {
e->undoUnlink();
score()->undo(new RemoveElement(e));
}
}
score()->undo(new RemoveStaves(this, sStaff, eStaff));
for (int i = eStaff - 1; i >= sStaff; --i) {
MStaff* ms = *(_mstaves.begin()+i);
score()->undo(new RemoveMStaff(this, ms, i));
}
// barLine
// TODO
}
//---------------------------------------------------------
// cmdAddStaves
//---------------------------------------------------------
void Measure::cmdAddStaves(int sStaff, int eStaff, bool createRest)
{
score()->undo(new InsertStaves(this, sStaff, eStaff));
Segment* ts = findSegment(Segment::Type::TimeSig, tick());
for (int i = sStaff; i < eStaff; ++i) {
Staff* staff = score()->staff(i);
MStaff* ms = new MStaff;
ms->lines = new StaffLines(score());
ms->lines->setTrack(i * VOICES);
ms->lines->setParent(this);
ms->lines->setVisible(!staff->invisible());
score()->undo(new InsertMStaff(this, ms, i));
}
if (!createRest && !ts)
return;
// create list of unique staves (only one instance for linked staves):
QList<int> sl;
for (int staffIdx = sStaff; staffIdx < eStaff; ++staffIdx) {
Staff* s = score()->staff(staffIdx);
if (s->linkedStaves()) {
bool alreadyInList = false;
for (int idx : sl) {
if (s->linkedStaves()->staves().contains(score()->staff(idx))) {
alreadyInList = true;
break;
}
}
if (alreadyInList)
continue;
}
sl.append(staffIdx);
}
for (int staffIdx : sl) {
if (createRest)
score()->setRest(tick(), staffIdx * VOICES, len(), false, 0, _timesig == len());
// replicate time signature
if (ts) {
TimeSig* ots = 0;
bool constructed = false;
for (unsigned track = 0; track < _mstaves.size() * VOICES; ++track) {
if (ts->element(track)) {
ots = toTimeSig(ts->element(track));
break;
}
}
if (!ots) {
// no time signature found; use measure length to construct one
ots = new TimeSig(score());
ots->setSig(len());
constructed = true;
}
// do no replicate local time signatures
if (ots && !ots->isLocal()) {
TimeSig* timesig = new TimeSig(*ots);
timesig->setTrack(staffIdx * VOICES);
timesig->setParent(ts);
timesig->setSig(ots->sig(), ots->timeSigType());
timesig->setNeedLayout(true);
score()->undoAddElement(timesig);
if (constructed)
delete ots;
}
}
}
}
//---------------------------------------------------------
// setTrack
//---------------------------------------------------------
void MStaff::setTrack(int track)
{
lines->setTrack(track);
if (_vspacerUp)
_vspacerUp->setTrack(track);
if (_vspacerDown)
_vspacerDown->setTrack(track);
}
//---------------------------------------------------------
// insertMStaff
//---------------------------------------------------------
void Measure::insertMStaff(MStaff* staff, int idx)
{
_mstaves.insert(_mstaves.begin()+idx, staff);
for (unsigned staffIdx = 0; staffIdx < _mstaves.size(); ++staffIdx)
_mstaves[staffIdx]->setTrack(staffIdx * VOICES);
}
//---------------------------------------------------------
// removeMStaff
//---------------------------------------------------------
void Measure::removeMStaff(MStaff* /*staff*/, int idx)
{
_mstaves.erase(_mstaves.begin()+idx);
for (unsigned staffIdx = 0; staffIdx < _mstaves.size(); ++staffIdx)
_mstaves[staffIdx]->setTrack(staffIdx * VOICES);
}
//---------------------------------------------------------
// insertStaff
//---------------------------------------------------------
void Measure::insertStaff(Staff* staff, int staffIdx)
{
for (Segment* s = first(); s; s = s->next())
s->insertStaff(staffIdx);
MStaff* ms = new MStaff;
ms->lines = new StaffLines(score());
ms->lines->setParent(this);
ms->lines->setTrack(staffIdx * VOICES);
ms->lines->setVisible(!staff->invisible());
insertMStaff(ms, staffIdx);
}
//---------------------------------------------------------
// staffabbox
//---------------------------------------------------------
QRectF Measure::staffabbox(int staffIdx) const
{
System* s = system();
QRectF sb(s->staff(staffIdx)->bbox());
QRectF rrr(sb.translated(s->pagePos()));
QRectF rr(abbox());
QRectF r(rr.x(), rrr.y(), rr.width(), rrr.height());
return r;
}
//---------------------------------------------------------
// acceptDrop
//---------------------------------------------------------
/**
Return true if an Element of type \a type can be dropped on a Measure
*/
bool Measure::acceptDrop(const DropData& data) const
{
MuseScoreView* viewer = data.view;
QPointF pos = data.pos;
Element* e = data.element;
int staffIdx;
Segment* seg;
if (score()->pos2measure(pos, &staffIdx, 0, &seg, 0) == nullptr)
return false;
QRectF staffR = system()->staff(staffIdx)->bbox().translated(system()->canvasPos());
staffR &= canvasBoundingRect();
switch (e->type()) {
case Element::Type::MEASURE_LIST:
case Element::Type::JUMP:
case Element::Type::MARKER:
case Element::Type::LAYOUT_BREAK:
case Element::Type::STAFF_LIST:
viewer->setDropRectangle(canvasBoundingRect());
return true;
case Element::Type::KEYSIG:
case Element::Type::TIMESIG:
if (data.modifiers & Qt::ControlModifier)
viewer->setDropRectangle(staffR);
else
viewer->setDropRectangle(canvasBoundingRect());
return true;
case Element::Type::BRACKET:
case Element::Type::REPEAT_MEASURE:
case Element::Type::MEASURE:
case Element::Type::SPACER:
case Element::Type::IMAGE:
case Element::Type::BAR_LINE:
case Element::Type::SYMBOL:
case Element::Type::CLEF:
viewer->setDropRectangle(staffR);
return true;
case Element::Type::ICON:
switch (toIcon(e)->iconType()) {
case IconType::VFRAME:
case IconType::HFRAME:
case IconType::TFRAME:
case IconType::FFRAME:
case IconType::MEASURE:
viewer->setDropRectangle(canvasBoundingRect());
return true;
default:
break;
}
break;
default:
break;
}
return false;
}
//---------------------------------------------------------
// drop
/// Drop element.
/// Handle a dropped element at position \a pos of given
/// element \a type and \a subtype.
//---------------------------------------------------------
Element* Measure::drop(const DropData& data)
{
Element* e = data.element;
int staffIdx = -1;
Segment* seg;
score()->pos2measure(data.pos, &staffIdx, 0, &seg, 0);
if (e->systemFlag())
staffIdx = 0;
if (staffIdx < 0)
return 0;
Staff* staff = score()->staff(staffIdx);
bool fromPalette = (e->track() == -1);
switch (e->type()) {
case Element::Type::MEASURE_LIST:
delete e;
break;
case Element::Type::STAFF_LIST:
//TODO score()->pasteStaff(e, this, staffIdx);
delete e;
break;
case Element::Type::MARKER:
case Element::Type::JUMP:
e->setParent(this);
e->setTrack(0);
{
// code borrowed from ChordRest::drop()
Text* t = static_cast<Text*>(e);
TextStyleType st = t->textStyleType();
// for palette items, we want to use current score text style settings
// except where the source element had explicitly overridden these via text properties
// palette text style will be relative to baseStyle, so rebase this to score
if (st >= TextStyleType::DEFAULT && fromPalette)
t->textStyle().restyle(MScore::baseStyle()->textStyle(st), score()->textStyle(st));
}
score()->undoAddElement(e);
return e;
case Element::Type::DYNAMIC:
case Element::Type::FRET_DIAGRAM:
e->setParent(seg);
e->setTrack(staffIdx * VOICES);
score()->undoAddElement(e);
return e;
case Element::Type::IMAGE:
case Element::Type::SYMBOL:
e->setParent(seg);
e->setTrack(staffIdx * VOICES);
e->layout();
{
QPointF uo(data.pos - e->canvasPos() - data.dragOffset);
e->setUserOff(uo);
}
score()->undoAddElement(e);
return e;
case Element::Type::BRACKET:
{
Bracket* b = toBracket(e);
int level = 0;
int firstStaff = 0;
for (Staff* s : score()->staves()) {
for (const BracketItem& bi : s->brackets()) {
int lastStaff = firstStaff + bi._bracketSpan - 1;
if (staffIdx >= firstStaff && staffIdx <= lastStaff)
++level;
}
firstStaff++;
}
score()->undoAddBracket(staff, level, b->bracketType(), 1);
delete b;
}
return 0;
case Element::Type::CLEF:
score()->undoChangeClef(staff, first(), toClef(e)->clefType());
delete e;
break;
case Element::Type::KEYSIG:
{
KeySigEvent k = toKeySig(e)->keySigEvent();
delete e;
if (data.modifiers & Qt::ControlModifier) {
// apply only to this stave
score()->undoChangeKeySig(staff, tick(), k);
}
else {
// apply to all staves:
for (Staff* s : score()->staves())
score()->undoChangeKeySig(s, tick(), k);
}
break;
}
case Element::Type::TIMESIG:
score()->cmdAddTimeSig(this, staffIdx, toTimeSig(e),
data.modifiers & Qt::ControlModifier);
return 0;
case Element::Type::LAYOUT_BREAK: {
LayoutBreak* b = toLayoutBreak(e);
Measure* measure = isMMRest() ? mmRestLast() : this;
switch (b->layoutBreakType()) {
case LayoutBreak::PAGE:
if (measure->pageBreak()) {
delete b;
b = 0;
}
else
measure->setLineBreak(false);
break;
case LayoutBreak::LINE:
if (measure->lineBreak()) {
delete b;
b = 0;
}
else
measure->setPageBreak(false);
break;
case LayoutBreak::SECTION:
if (measure->sectionBreak()) {
delete b;
b = 0;
}
else
measure->setLineBreak(false);
break;
case LayoutBreak::NOBREAK:
if (measure->noBreak()) {
delete b;
b = 0;
}
else {
measure->setLineBreak(false);
measure->setPageBreak(false);
}
break;
}
if (b) {
b->setTrack(-1); // these are system elements
b->setParent(measure);
score()->undoAddElement(b);
}
measure->cleanupLayoutBreaks(true);
return b;
}
case Element::Type::SPACER:
{
Spacer* spacer = toSpacer(e);
spacer->setTrack(staffIdx * VOICES);
spacer->setParent(this);
if (spacer->spacerType() == SpacerType::FIXED) {
qreal gap = spatium() * 10;
System* s = system();
if (staffIdx == score()->nstaves()-1) {
System* ns = 0;
for (System* ts : score()->systems()) {
if (ns) {
ns = ts;
break;
}
if (ts == s)
ns = ts;
}
if (ns) {
qreal y1 = s->staffYpage(staffIdx);
qreal y2 = ns->staffYpage(0);
gap = y2 - y1 - score()->staff(staffIdx)->height();
}
}
else {
qreal y1 = s->staffYpage(staffIdx);
qreal y2 = s->staffYpage(staffIdx+1);
gap = y2 - y1 - score()->staff(staffIdx)->height();
}
spacer->setGap(gap);
}
score()->undoAddElement(spacer);
return spacer;
}
case Element::Type::BAR_LINE:
{
BarLine* bl = toBarLine(e);
// if dropped bar line refers to span rather than to subtype
// or if Ctrl key used
if ((bl->spanFrom() && bl->spanTo() != DEFAULT_BARLINE_TO) || data.control()) {
// get existing bar line for this staff, and drop the change to it
Segment* seg = undoGetSegment(Segment::Type::EndBarLine, tick() + ticks());
BarLine* cbl = toBarLine(seg->element(staffIdx * VOICES));
if (cbl)
cbl->drop(data);
}
else {
// if dropped bar line refers to line subtype
score()->undoChangeBarLine(this, bl->barLineType(), false);
delete e;
}
break;
}
case Element::Type::REPEAT_MEASURE:
{
delete e;
return cmdInsertRepeatMeasure(staffIdx);
}
case Element::Type::ICON:
switch(toIcon(e)->iconType()) {
case IconType::VFRAME:
score()->insertMeasure(Element::Type::VBOX, this);
break;
case IconType::HFRAME:
score()->insertMeasure(Element::Type::HBOX, this);
break;
case IconType::TFRAME:
score()->insertMeasure(Element::Type::TBOX, this);
break;
case IconType::FFRAME:
score()->insertMeasure(Element::Type::FBOX, this);
break;
case IconType::MEASURE:
score()->insertMeasure(Element::Type::MEASURE, this);
break;
default:
break;
}
break;
default:
qDebug("Measure: cannot drop %s here", e->name());
delete e;
break;
}
return 0;
}
//---------------------------------------------------------
// cmdInsertRepeatMeasure
//---------------------------------------------------------
RepeatMeasure* Measure::cmdInsertRepeatMeasure(int staffIdx)
{
//
// see also cmdDeleteSelection()
//
score()->select(0, SelectType::SINGLE, 0);
for (Segment* s = first(); s; s = s->next()) {
if (s->segmentType() & Segment::Type::ChordRest) {
int strack = staffIdx * VOICES;
int etrack = strack + VOICES;
for (int track = strack; track < etrack; ++track) {
Element* el = s->element(track);
if (el)
score()->undoRemoveElement(el);
}
}
}
//
// add repeat measure
//
Segment* seg = undoGetSegment(Segment::Type::ChordRest, tick());
RepeatMeasure* rm = new RepeatMeasure(score());
rm->setTrack(staffIdx * VOICES);
rm->setParent(seg);
rm->setDurationType(TDuration::DurationType::V_MEASURE);
rm->setDuration(stretchedLen(score()->staff(staffIdx)));
score()->undoAddCR(rm, this, tick());
for (Element* e : el()) {
if (e->isSlur() && e->staffIdx() == staffIdx)
score()->undoRemoveElement(e);
}
return rm;
}
//---------------------------------------------------------
// adjustToLen
// change actual measure len, adjust elements to
// new len
//---------------------------------------------------------
void Measure::adjustToLen(Fraction nf)
{
int ol = len().ticks();
int nl = nf.ticks();
int diff = nl - ol;
int startTick = endTick();
if (diff < 0)
startTick += diff;
score()->undoInsertTime(startTick, diff);
score()->undo(new InsertTime(score(), startTick, diff));
for (Score* s : score()->scoreList()) {
Measure* m = s->tick2measure(tick());
s->undo(new ChangeMeasureLen(m, nf));
if (nl > ol) {
// move EndBarLine, TimeSigAnnounce, KeySigAnnounce
for (Segment* s = m->first(); s; s = s->next()) {
if (s->segmentType() & (Segment::Type::EndBarLine|Segment::Type::TimeSigAnnounce|Segment::Type::KeySigAnnounce)) {
s->setTick(tick() + nl);
}
}
}
}
Score* s = score()->masterScore();
Measure* m = s->tick2measure(tick());
QList<int> sl = s->uniqueStaves();
for (int staffIdx : sl) {
int rests = 0;
int chords = 0;
Rest* rest = 0;
for (Segment* segment = m->first(); segment; segment = segment->next()) {
int strack = staffIdx * VOICES;
int etrack = strack + VOICES;
for (int track = strack; track < etrack; ++track) {
Element* e = segment->element(track);
if (e) {
if (e->isRest()) {
++rests;
rest = toRest(e);
}
else if (e->isChord())
++chords;
}
}
}
// if just a single rest
if (rests == 1 && chords == 0) {
// if measure value didn't change, stick to whole measure rest
if (_timesig == nf) {
rest->undoChangeProperty(P_ID::DURATION, QVariant::fromValue<Fraction>(nf));
rest->undoChangeProperty(P_ID::DURATION_TYPE, QVariant::fromValue<TDuration>(TDuration::DurationType::V_MEASURE));
}
else { // if measure value did change, represent with rests actual measure value
// convert the measure duration in a list of values (no dots for rests)
std::vector<TDuration> durList = toDurationList(nf, false, 0);
// set the existing rest to the first value of the duration list
for (ScoreElement* e : rest->linkList()) {
e->undoChangeProperty(P_ID::DURATION, QVariant::fromValue<Fraction>(durList[0].fraction()));
e->undoChangeProperty(P_ID::DURATION_TYPE, QVariant::fromValue<TDuration>(durList[0]));
}
// add rests for any other duration list value
int tickOffset = tick() + durList[0].ticks();
for (unsigned i = 1; i < durList.size(); i++) {
Rest* newRest = new Rest(s);
newRest->setDurationType(durList.at(i));
newRest->setDuration(durList.at(i).fraction());
newRest->setTrack(rest->track());
score()->undoAddCR(newRest, this, tickOffset);
tickOffset += durList.at(i).ticks();
}
}
continue;
}
int strack = staffIdx * VOICES;
int etrack = strack + VOICES;
for (int trk = strack; trk < etrack; ++trk) {
int n = diff;
bool rFlag = false;
if (n < 0) {
for (Segment* segment = m->last(); segment;) {
Segment* pseg = segment->prev();
if (segment->segmentType() == Segment::Type::ChordRest) {
for (Element* a : segment->annotations())
if (a->track() == trk)
s->undoRemoveElement(a);
Element* e = segment->element(trk);
if (e && e->isChordRest()) {
ChordRest* cr = toChordRest(e);
if (cr->durationType() == TDuration::DurationType::V_MEASURE) {
int actualTicks = cr->actualTicks();
n += actualTicks;
cr->setDurationType(TDuration(actualTicks));
}
else
n += cr->actualTicks();
s->undoRemoveElement(e);
if (n >= 0)
break;
}
}
else if (segment->segmentType() == Segment::Type::Breath) {
Element* e = segment->element(trk);
if (e)
s->undoRemoveElement(e);
}
segment = pseg;
}
rFlag = true;
}
int voice = trk % VOICES;
if ((n > 0) && (rFlag || voice == 0)) {
// add rest to measure
int rtick = tick() + nl - n;
int track = staffIdx * VOICES + voice;
s->setRest(rtick, track, Fraction::fromTicks(n), false, 0, false);
}
}
}
if (diff < 0) {
//
// CHECK: do not remove all slurs
//
foreach (Element* e, m->el()) {
if (e->isSlur())
s->undoRemoveElement(e);
}
}
}
//---------------------------------------------------------
// write
//---------------------------------------------------------
void Measure::write(XmlWriter& xml, int staff, bool writeSystemElements) const
{
int mno = no() + 1;
if (_len != _timesig) {
// this is an irregular measure
xml.stag(QString("Measure number=\"%1\" len=\"%2/%3\"").arg(mno).arg(_len.numerator()).arg(_len.denominator()));
}
else
xml.stag(QString("Measure number=\"%1\"").arg(mno));
xml.setCurTick(tick());
if (_mmRestCount > 0)
xml.tag("multiMeasureRest", _mmRestCount);
if (writeSystemElements) {
if (repeatStart())
xml.tagE("startRepeat");
if (repeatEnd())
xml.tag("endRepeat", _repeatCount);
writeProperty(xml, P_ID::IRREGULAR);
writeProperty(xml, P_ID::BREAK_MMR);
writeProperty(xml, P_ID::USER_STRETCH);
writeProperty(xml, P_ID::NO_OFFSET);
writeProperty(xml, P_ID::MEASURE_NUMBER_MODE);
}
qreal _spatium = spatium();
MStaff* mstaff = _mstaves[staff];
if (mstaff->noText() && !mstaff->noText()->generated()) {
xml.stag("MeasureNumber");
mstaff->noText()->writeProperties(xml);
xml.etag();
}
if (mstaff->_vspacerUp)
xml.tag("vspacerUp", mstaff->_vspacerUp->gap() / _spatium);
if (mstaff->_vspacerDown) {
if (mstaff->_vspacerDown->spacerType() == SpacerType::FIXED)
xml.tag("vspacerFixed", mstaff->_vspacerDown->gap() / _spatium);
else
xml.tag("vspacerDown", mstaff->_vspacerDown->gap() / _spatium);
}
if (!mstaff->_visible)
xml.tag("visible", mstaff->_visible);
if (mstaff->_slashStyle)
xml.tag("slashStyle", mstaff->_slashStyle);
int strack = staff * VOICES;
int etrack = strack + VOICES;
for (const Element* e : el()) {
if (!e->generated() && ((e->staffIdx() == staff) || (e->systemFlag() && writeSystemElements)))
e->write(xml);
}
Q_ASSERT(first());
Q_ASSERT(last());
score()->writeSegments(xml, strack, etrack, first(), last()->next1(), writeSystemElements, false, false);
xml.etag();
}
//---------------------------------------------------------
// ticks
//---------------------------------------------------------
int Measure::ticks() const
{
return _len.ticks();
}
//---------------------------------------------------------
// Measure::read
//---------------------------------------------------------
void Measure::read(XmlReader& e, int staffIdx)
{
Segment* segment = 0;
qreal _spatium = spatium();
QList<Chord*> graceNotes;
e.tuplets().clear();
e.setTrack(staffIdx * VOICES);
for (int n = _mstaves.size(); n <= staffIdx; ++n) {
Staff* staff = score()->staff(n);
MStaff* s = new MStaff;
s->lines = new StaffLines(score());
s->lines->setParent(this);
s->lines->setTrack(n * VOICES);
s->lines->setVisible(!staff->invisible());
_mstaves.push_back(s);
}
// tick is obsolete
if (e.hasAttribute("tick"))
e.initTick(score()->fileDivision(e.intAttribute("tick")));
bool irregular;
if (e.hasAttribute("len")) {
QStringList sl = e.attribute("len").split('/');
if (sl.size() == 2)
_len = Fraction(sl[0].toInt(), sl[1].toInt());
else
qDebug("illegal measure size <%s>", qPrintable(e.attribute("len")));
irregular = true;
score()->sigmap()->add(tick(), SigEvent(_len, _timesig));
score()->sigmap()->add(tick() + ticks(), SigEvent(_timesig));
}
else
irregular = false;
Staff* staff = score()->staff(staffIdx);
Fraction timeStretch(staff->timeStretch(tick()));
while (e.readNextStartElement()) {
const QStringRef& tag(e.name());
if (tag == "move")
e.initTick(e.readFraction().ticks() + tick());
else if (tag == "tick") {
e.initTick(score()->fileDivision(e.readInt()));
}
else if (tag == "BarLine") {
BarLine* barLine = new BarLine(score());
barLine->setTrack(e.track());
barLine->read(e);
//
// StartRepeatBarLine: at rtick == 0, always BarLineType::START_REPEAT
// BarLine: in the middle of a measure, has no semantic
// EndBarLine: at the end of a measure
// BeginBarLine: first segment of a measure, systemic barline
Segment::Type st;
int t = e.tick() - tick();
if (t && (t != ticks()))
st = Segment::Type::BarLine;
else if (barLine->barLineType() == BarLineType::START_REPEAT && t == 0) {
st = Segment::Type::StartRepeatBarLine;
}
else if (barLine->barLineType() == BarLineType::START_REPEAT && t == ticks()) {
// old version, ignore
delete barLine;
barLine = 0;
}
else if (t == 0 && segment == 0)
st = Segment::Type::BeginBarLine;
else
st = Segment::Type::EndBarLine;
if (barLine) {
segment = getSegmentR(st, t);
segment->add(barLine);
}
}
else if (tag == "Chord") {
Chord* chord = new Chord(score());
chord->setTrack(e.track());
chord->read(e);
segment = getSegment(Segment::Type::ChordRest, e.tick());
if (chord->noteType() != NoteType::NORMAL)
graceNotes.push_back(chord);
else {
segment->add(chord);
for (int i = 0; i < graceNotes.size(); ++i) {
Chord* gc = graceNotes[i];
gc->setGraceIndex(i);
chord->add(gc);
}
graceNotes.clear();
int crticks = chord->actualTicks();
e.incTick(crticks);
}
}
else if (tag == "Rest") {
Rest* rest = new Rest(score());
rest->setDurationType(TDuration::DurationType::V_MEASURE);
rest->setDuration(timesig()/timeStretch);
rest->setTrack(e.track());
rest->read(e);
segment = getSegment(Segment::Type::ChordRest, e.tick());
segment->add(rest);
if (!rest->duration().isValid()) // hack
rest->setDuration(timesig()/timeStretch);
e.incTick(rest->actualTicks());
}
else if (tag == "Breath") {
Breath* breath = new Breath(score());
breath->setTrack(e.track());
int tick = e.tick();
breath->read(e);
segment = getSegment(Segment::Type::Breath, tick);
segment->add(breath);
}
else if (tag == "endSpanner") {
int id = e.attribute("id").toInt();
Spanner* spanner = e.findSpanner(id);
if (spanner) {
spanner->setTicks(e.tick() - spanner->tick());
// if (spanner->track2() == -1)
// the absence of a track tag [?] means the
// track is the same as the beginning of the slur
if (spanner->track2() == -1)
spanner->setTrack2(spanner->track() ? spanner->track() : e.track());
}
else {
// remember "endSpanner" values
SpannerValues sv;
sv.spannerId = id;
sv.track2 = e.track();
sv.tick2 = e.tick();
e.addSpannerValues(sv);
}
e.readNext();
}
else if (tag == "Slur") {
Slur *sl = new Slur(score());
sl->setTick(e.tick());
sl->read(e);
//
// check if we already saw "endSpanner"
//
int id = e.spannerId(sl);
const SpannerValues* sv = e.spannerValues(id);
if (sv) {
sl->setTick2(sv->tick2);
sl->setTrack2(sv->track2);
}
score()->addSpanner(sl);
}
else if (tag == "HairPin"
|| tag == "Pedal"
|| tag == "Ottava"
|| tag == "Trill"
|| tag == "TextLine"
|| tag == "Volta") {
Spanner* sp = static_cast<Spanner*>(Element::name2Element(tag, score()));
sp->setTrack(e.track());
sp->setTick(e.tick());
// ?? sp->setAnchor(Spanner::Anchor::SEGMENT);
sp->read(e);
score()->addSpanner(sp);
//
// check if we already saw "endSpanner"
//
int id = e.spannerId(sp);
const SpannerValues* sv = e.spannerValues(id);
if (sv) {
sp->setTicks(sv->tick2 - sp->tick());
sp->setTrack2(sv->track2);
}
}
else if (tag == "RepeatMeasure") {
RepeatMeasure* rm = new RepeatMeasure(score());
rm->setTrack(e.track());
rm->read(e);
segment = getSegment(Segment::Type::ChordRest, e.tick());
segment->add(rm);
e.incTick(ticks());
}
else if (tag == "Clef") {
Clef* clef = new Clef(score());
clef->setTrack(e.track());
clef->read(e);
clef->setGenerated(false);
// there may be more than one clef segment for same tick position
// the first clef may be missing and is added later in layout
bool header;
if (e.tick() != tick())
header = false;
else if (!segment)
header = true;
else {
header = true;
for (Segment* s = _segments.first(); s && !s->rtick(); s = s->next()) {
if (s->isKeySigType() || s->isTimeSigType()) {
// hack: there may be other segment types which should
// generate a clef at current position
header = false;
break;
}
}
}
segment = getSegment(header ? Segment::Type::HeaderClef : Segment::Type::Clef, e.tick());
segment->add(clef);
}
else if (tag == "TimeSig") {
TimeSig* ts = new TimeSig(score());
ts->setTrack(e.track());
ts->read(e);
// if time sig not at begining of measure => courtesy time sig
int currTick = e.tick();
bool courtesySig = (currTick > tick());
if (courtesySig) {
// if courtesy sig., just add it without map processing
segment = getSegment(Segment::Type::TimeSigAnnounce, currTick);
segment->add(ts);
}
else {
// if 'real' time sig., do full process
segment = getSegment(Segment::Type::TimeSig, currTick);
segment->add(ts);
timeStretch = ts->stretch().reduced();
_timesig = ts->sig() / timeStretch;
if (irregular) {
score()->sigmap()->add(tick(), SigEvent(_len, _timesig));
score()->sigmap()->add(tick() + ticks(), SigEvent(_timesig));
}
else {
_len = _timesig;
score()->sigmap()->add(tick(), SigEvent(_timesig));
}
}
}
else if (tag == "KeySig") {
KeySig* ks = new KeySig(score());
ks->setTrack(e.track());
ks->read(e);
int curTick = e.tick();
if (!ks->isCustom() && !ks->isAtonal() && ks->key() == Key::C && curTick == 0) {
// ignore empty key signature
qDebug("remove keysig c at tick 0");
if (ks->links()) {
if (ks->links()->size() == 1)
e.linkIds().remove(ks->links()->lid());
}
}
else {
// if key sig not at beginning of measure => courtesy key sig
// bool courtesySig = (curTick > tick());
bool courtesySig = (curTick == endTick());
segment = getSegment(courtesySig ? Segment::Type::KeySigAnnounce : Segment::Type::KeySig, curTick);
segment->add(ks);
if (!courtesySig)
staff->setKey(curTick, ks->keySigEvent());
}
}
else if (tag == "Text") {
Text* t = new StaffText(score());
t->setTrack(e.track());
t->read(e);
if (t->empty()) {
qDebug("reading empty text: deleted");
delete t;
}
else {
segment = getSegment(Segment::Type::ChordRest, e.tick());
segment->add(t);
}
}
//----------------------------------------------------
// Annotation
else if (tag == "Dynamic") {
Dynamic* dyn = new Dynamic(score());
dyn->setTrack(e.track());
dyn->read(e);
segment = getSegment(Segment::Type::ChordRest, e.tick());
segment->add(dyn);
}
else if (tag == "Harmony"
|| tag == "FretDiagram"
|| tag == "TremoloBar"
|| tag == "Symbol"
|| tag == "Tempo"
|| tag == "StaffText"
|| tag == "RehearsalMark"
|| tag == "InstrumentChange"
|| tag == "StaffState"
|| tag == "FiguredBass"
) {
Element* el = Element::name2Element(tag, score());
// hack - needed because tick tags are unreliable in 1.3 scores
// for symbols attached to anything but a measure
el->setTrack(e.track());
el->read(e);
segment = getSegment(Segment::Type::ChordRest, e.tick());
segment->add(el);
}
else if (tag == "Marker" || tag == "Jump"
) {
Element* el = Element::name2Element(tag, score());
el->setTrack(e.track());
el->read(e);
add(el);
}
else if (tag == "Image") {
if (MScore::noImages)
e.skipCurrentElement();
else {
Element* el = Element::name2Element(tag, score());
el->setTrack(e.track());
el->read(e);
segment = getSegment(Segment::Type::ChordRest, e.tick());
segment->add(el);
}
}
//----------------------------------------------------
else if (tag == "stretch") {
double val = e.readDouble();
if (val < 0.0)
val = 0;
setUserStretch(val);
}
else if (tag == "noOffset")
setNoOffset(e.readInt());
else if (tag == "measureNumberMode")
setMeasureNumberMode(MeasureNumberMode(e.readInt()));
else if (tag == "irregular")
setIrregular(e.readBool());
else if (tag == "breakMultiMeasureRest")
_breakMultiMeasureRest = e.readBool();
else if (tag == "sysInitBarLineType") {
const QString& val(e.readElementText());
BarLine* barLine = new BarLine(score());
barLine->setTrack(e.track());
barLine->setBarLineType(val);
segment = getSegmentR(Segment::Type::BeginBarLine, 0);
segment->add(barLine);
}
else if (tag == "Tuplet") {
Tuplet* tuplet = new Tuplet(score());
tuplet->setTrack(e.track());
tuplet->setTick(e.tick());
tuplet->setParent(this);
tuplet->read(e);
e.addTuplet(tuplet);
}
else if (tag == "startRepeat") {
setRepeatStart(true);
e.readNext();
}
else if (tag == "endRepeat") {
_repeatCount = e.readInt();
setRepeatEnd(true);
}
else if (tag == "vspacer" || tag == "vspacerDown") {
if (_mstaves[staffIdx]->_vspacerDown == 0) {
Spacer* spacer = new Spacer(score());
spacer->setSpacerType(SpacerType::DOWN);
spacer->setTrack(staffIdx * VOICES);
add(spacer);
}
_mstaves[staffIdx]->_vspacerDown->setGap(e.readDouble() * _spatium);
}
else if (tag == "vspacerFixed") {
if (_mstaves[staffIdx]->_vspacerDown == 0) {
Spacer* spacer = new Spacer(score());
spacer->setSpacerType(SpacerType::FIXED);
spacer->setTrack(staffIdx * VOICES);
add(spacer);
}
_mstaves[staffIdx]->_vspacerDown->setGap(e.readDouble() * _spatium);
}
else if (tag == "vspacerUp") {
if (_mstaves[staffIdx]->_vspacerUp == 0) {
Spacer* spacer = new Spacer(score());
spacer->setSpacerType(SpacerType::UP);
spacer->setTrack(staffIdx * VOICES);
add(spacer);
}
_mstaves[staffIdx]->_vspacerUp->setGap(e.readDouble() * _spatium);
}
else if (tag == "visible")
_mstaves[staffIdx]->_visible = e.readInt();
else if (tag == "slashStyle")
_mstaves[staffIdx]->_slashStyle = e.readInt();
else if (tag == "Beam") {
Beam* beam = new Beam(score());
beam->setTrack(e.track());
beam->read(e);
beam->setParent(0);
e.addBeam(beam);
}
else if (tag == "Segment")
segment->read(e);
else if (tag == "MeasureNumber") {
Text* noText = new Text(score());
noText->read(e);
noText->setFlag(ElementFlag::ON_STAFF, true);
noText->setTrack(e.track());
noText->setParent(this);
_mstaves[noText->staffIdx()]->setNoText(noText);
}
else if (tag == "SystemDivider") {
SystemDivider* sd = new SystemDivider(score());
sd->read(e);
add(sd);
}
else if (tag == "Ambitus") {
Ambitus* range = new Ambitus(score());
range->read(e);
segment = getSegment(Segment::Type::Ambitus, e.tick());
range->setParent(segment); // a parent segment is needed for setTrack() to work
range->setTrack(trackZeroVoice(e.track()));
segment->add(range);
}
else if (tag == "multiMeasureRest") {
_mmRestCount = e.readInt();
// set tick to previous measure
setTick(e.lastMeasure()->tick());
e.initTick(e.lastMeasure()->tick());
}
else if (MeasureBase::readProperties(e))
;
else
e.unknown();
}
e.checkTuplets();
}
//---------------------------------------------------------
// visible
//---------------------------------------------------------
bool Measure::visible(int staffIdx) const
{
if (staffIdx >= score()->staves().size()) {
qDebug("Measure::visible: bad staffIdx: %d", staffIdx);
return false;
}
if (system() && (system()->staves()->empty() || !system()->staff(staffIdx)->show()))
return false;
if (score()->staff(staffIdx)->cutaway() && isMeasureRest(staffIdx))
return false;
return score()->staff(staffIdx)->show() && _mstaves[staffIdx]->_visible;
}
//---------------------------------------------------------
// slashStyle
//---------------------------------------------------------
bool Measure::slashStyle(int staffIdx) const
{
return score()->staff(staffIdx)->slashStyle() || _mstaves[staffIdx]->_slashStyle || score()->staff(staffIdx)->staffType()->slashStyle();
}
//---------------------------------------------------------
// isFinalMeasureOfSection
// returns true if this measure is final actual measure of a section
// takes into consideration fact that subsequent measures base objects
// may have section break before encountering next actual measure
//---------------------------------------------------------
bool Measure::isFinalMeasureOfSection() const
{
const MeasureBase* mb = static_cast<const MeasureBase*>(this);
do {
if (mb->sectionBreak())
return true;
mb = mb->next();
} while (mb && !mb->isMeasure()); // loop until reach next actual measure or end of score
return false;
}
//---------------------------------------------------------
// isAnacrusis
//---------------------------------------------------------
bool Measure::isAnacrusis() const
{
TimeSigFrac timeSig = score()->sigmap()->timesig(tick()).nominal();
return irregular() && ticks() < timeSig.ticksPerMeasure();
}
//---------------------------------------------------------
// scanElements
//---------------------------------------------------------
void Measure::scanElements(void* data, void (*func)(void*, Element*), bool all)
{
MeasureBase::scanElements(data, func, all);
int nstaves = score()->nstaves();
for (int staffIdx = 0; staffIdx < nstaves; ++staffIdx) {
if (!all && !(visible(staffIdx) && score()->staff(staffIdx)->show()))
continue;
MStaff* ms = _mstaves[staffIdx];
func(data, ms->lines);
if (ms->_vspacerUp)
func(data, ms->_vspacerUp);
if (ms->_vspacerDown)
func(data, ms->_vspacerDown);
if (ms->noText())
func(data, ms->noText());
}
for (Segment* s = first(); s; s = s->next()) {
if (!s->enabled())
continue;
s->scanElements(data, func, all);
}
}
//---------------------------------------------------------
// createVoice
// Create a voice on demand by filling the measure
// with a whole measure rest.
// Check if there are any chord/rests in track; if
// not create a whole measure rest
//---------------------------------------------------------
void Measure::createVoice(int track)
{
for (Segment* s = first(); s; s = s->next()) {
if (s->segmentType() != Segment::Type::ChordRest)
continue;
if (s->element(track) == 0)
score()->setRest(s->tick(), track, len(), true, 0);
break;
}
}
//---------------------------------------------------------
// sortStaves
//---------------------------------------------------------
void Measure::sortStaves(QList<int>& dst)
{
std::vector<MStaff*> ms;
for (int idx : dst)
ms.push_back(_mstaves[idx]);
_mstaves = ms;
for (unsigned staffIdx = 0; staffIdx < _mstaves.size(); ++staffIdx)
_mstaves[staffIdx]->lines->setTrack(staffIdx * VOICES);
for (Segment& s : _segments)
s.sortStaves(dst);
for (Element* e : el()) {
if (e->track() == -1 || e->systemFlag())
continue;
int voice = e->voice();
int staffIdx = e->staffIdx();
int idx = dst.indexOf(staffIdx);
e->setTrack(idx * VOICES + voice);
}
}
//---------------------------------------------------------
// exchangeVoice
//---------------------------------------------------------
void Measure::exchangeVoice(int strack, int dtrack, int staffIdx)
{
for (Segment* s = first(Segment::Type::ChordRest); s; s = s->next(Segment::Type::ChordRest)) {
s->swapElements(strack, dtrack);
}
auto spanners = score()->spannerMap().findOverlapping(tick(), endTick()-1);
int start = tick();
int end = start + ticks();
for (auto i = spanners.begin(); i < spanners.end(); i++) {
Spanner* sp = i->value;
int spStart = sp->tick();
int spEnd = spStart + sp->ticks();
qDebug("Start %d End %d Diff %d \n Measure Start %d End %d", spStart, spEnd, spEnd-spStart, start, end);
if (sp->isSlur() && (spStart >= start || spEnd < end)) {
if (sp->track() == strack && spStart >= start){
sp->setTrack(dtrack);
}
else if (sp->track() == dtrack && spStart >= start){
sp->setTrack(strack);
}
if (sp->track2() == strack && spEnd < end){
sp->setTrack2(dtrack);
}
else if (sp->track2() == dtrack && spEnd < end){
sp->setTrack2(strack);
}
}
}
checkMultiVoices(staffIdx); // probably true, but check for invisible notes & rests
}
//---------------------------------------------------------
// checkMultiVoices
/// Check for more than on voice in this measure and staff and
/// set MStaff->hasVoices
//---------------------------------------------------------
void Measure::checkMultiVoices(int staffIdx)
{
int strack = staffIdx * VOICES + 1;
int etrack = staffIdx * VOICES + VOICES;
_mstaves[staffIdx]->hasVoices = false;
for (Segment* s = first(Segment::Type::ChordRest); s; s = s->next(Segment::Type::ChordRest)) {
for (int track = strack; track < etrack; ++track) {
Element* e = s->element(track);
if (e) {
bool v;
if (e->isChord()) {
v = false;
// consider chord visible if any note is visible
Chord* c = toChord(e);
for (Note* n : c->notes()) {
if (n->visible()) {
v = true;
break;
}
}
}
else
v = e->visible();
if (v) {
_mstaves[staffIdx]->hasVoices = true;
return;
}
}
}
}
}
//---------------------------------------------------------
// hasVoice
//---------------------------------------------------------
bool Measure::hasVoice(int track) const
{
if (track >= int(mstaves().size() * VOICES))
return false;
for (Segment* s = first(); s; s = s->next()) {
if (s->segmentType() != Segment::Type::ChordRest)
continue;
if (s->element(track))
return true;
}
return false;
}
//-------------------------------------------------------------------
// isMeasureRest
/// Check if the measure is filled by a full-measure rest or full
/// of rests on this staff. If staff is -1, then check for
/// all staves.
//-------------------------------------------------------------------
bool Measure::isMeasureRest(int staffIdx) const
{
int strack;
int etrack;
if (staffIdx < 0) {
strack = 0;
etrack = score()->nstaves() * VOICES;
}
else {
strack = staffIdx * VOICES;
etrack = strack + VOICES;
}
for (Segment* s = first(Segment::Type::ChordRest); s; s = s->next(Segment::Type::ChordRest)) {
for (int track = strack; track < etrack; ++track) {
Element* e = s->element(track);
if (e && !e->isRest())
return false;
}
for (Element* a : s->annotations()) {
if (!a || a->systemFlag())
continue;
int atrack = a->track();
if (atrack >= strack && atrack < etrack)
return false;
}
}
return true;
}
//---------------------------------------------------------
// isFullMeasureRest
// Check for an empty measure, filled with full measure
// rests.
//---------------------------------------------------------
bool Measure::isFullMeasureRest() const
{
int strack = 0;
int etrack = score()->nstaves() * VOICES;
Segment* s = first(Segment::Type::ChordRest);
for (int track = strack; track < etrack; ++track) {
Element* e = s->element(track);
if (e) {
if (!e->isRest())
return false;
Rest* rest = toRest(e);
if (rest->durationType().type() != TDuration::DurationType::V_MEASURE)
return false;
}
}
return true;
}
//---------------------------------------------------------
// isRepeatMeasure
//---------------------------------------------------------
bool Measure::isRepeatMeasure(Staff* staff) const
{
int staffIdx = staff->idx();
int strack = staffIdx * VOICES;
int etrack = (staffIdx + 1) * VOICES;
Segment* s = first(Segment::Type::ChordRest);
if (s == 0)
return false;
for (int track = strack; track < etrack; ++track) {
Element* e = s->element(track);
if (e && e->isRepeatMeasure())
return true;
}
return false;
}
//---------------------------------------------------------
// isEmpty
//---------------------------------------------------------
bool Measure::empty() const
{
if (irregular())
return false;
int n = 0;
int tracks = _mstaves.size() * VOICES;
static const Segment::Type st = Segment::Type::ChordRest ;
for (const Segment* s = first(st); s; s = s->next(st)) {
bool restFound = false;
for (int track = 0; track < tracks; ++track) {
if ((track % VOICES) == 0 && !score()->staff(track/VOICES)->show()) {
track += VOICES-1;
continue;
}
if (s->element(track)) {
if (!s->element(track)->isRest())
return false;
restFound = true;
}
}
if (restFound)
++n;
// measure is not empty if there is more than one rest
if (n > 1)
return false;
}
return true;
}
//---------------------------------------------------------
// isOnlyRests
//---------------------------------------------------------
bool Measure::isOnlyRests(int track) const
{
static const Segment::Type st = Segment::Type::ChordRest;
for (const Segment* s = first(st); s; s = s->next(st)) {
if (s->segmentType() != st || !s->element(track))
continue;
if (!s->element(track)->isRest())
return false;
}
return true;
}
//---------------------------------------------------------
// isOnlyDeletedRests
//---------------------------------------------------------
bool Measure::isOnlyDeletedRests(int track) const
{
static const Segment::Type st { Segment::Type::ChordRest };
for (const Segment* s = first(st); s; s = s->next(st)) {
if (s->segmentType() != st || !s->element(track))
continue;
if (s->element(track)->isRest() ? !toRest(s->element(track))->isGap() : !s->element(track)->isRest())
return false;
}
return true;
}
//---------------------------------------------------------
// stretchedLen
//---------------------------------------------------------
Fraction Measure::stretchedLen(Staff* staff) const
{
return len() * staff->timeStretch(tick());
}
//---------------------------------------------------------
// cloneMeasure
//---------------------------------------------------------
Measure* Measure::cloneMeasure(Score* sc, TieMap* tieMap)
{
Measure* m = new Measure(sc);
m->_timesig = _timesig;
m->_len = _len;
m->_repeatCount = _repeatCount;
for (MStaff* ms : _mstaves)
m->_mstaves.push_back(new MStaff(*ms));
m->setNo(no());
m->setNoOffset(noOffset());
m->setIrregular(irregular());
m->_userStretch = _userStretch;
m->_breakMultiMeasureRest = _breakMultiMeasureRest;
m->_playbackCount = _playbackCount;
m->setTick(tick());
m->setLineBreak(lineBreak());
m->setPageBreak(pageBreak());
m->setSectionBreak(sectionBreak() ? new LayoutBreak(*sectionBreakElement()) : 0);
int tracks = sc->nstaves() * VOICES;
TupletMap tupletMap;
for (Segment* oseg = first(); oseg; oseg = oseg->next()) {
Segment* s = new Segment(m, oseg->segmentType(), oseg->rtick());
m->_segments.push_back(s);
for (int track = 0; track < tracks; ++track) {
Element* oe = oseg->element(track);
foreach (Element* e, oseg->annotations()) {
if (e->generated() || e->track() != track)
continue;
Element* ne = e->clone();
ne->setTrack(track);
ne->setUserOff(e->userOff());
ne->setScore(sc);
s->add(ne);
}
if (!oe)
continue;
Element* ne = oe->clone();
if (oe->isChordRest()) {
ChordRest* ocr = toChordRest(oe);
ChordRest* ncr = toChordRest(ne);
Tuplet* ot = ocr->tuplet();
if (ot) {
Tuplet* nt = tupletMap.findNew(ot);
if (nt == 0) {
nt = new Tuplet(*ot);
nt->clear();
nt->setTrack(track);
nt->setScore(sc);
tupletMap.add(ot, nt);
}
ncr->setTuplet(nt);
nt->add(ncr);
}
if (oe->isChord()) {
Chord* och = toChord(ocr);
Chord* nch = toChord(ncr);
int n = och->notes().size();
for (int i = 0; i < n; ++i) {
Note* on = och->notes().at(i);
Note* nn = nch->notes().at(i);
if (on->tieFor()) {
Tie* tie = on->tieFor()->clone();
tie->setScore(sc);
nn->setTieFor(tie);
tie->setStartNote(nn);
tieMap->add(on->tieFor(), tie);
}
if (on->tieBack()) {
Tie* tie = tieMap->findNew(on->tieBack());
if (tie) {
nn->setTieBack(tie);
tie->setEndNote(nn);
}
else {
qDebug("cloneMeasure: cannot find tie, track %d", track);
}
}
}
}
}
ne->setUserOff(oe->userOff());
ne->setScore(sc);
s->add(ne);
}
}
foreach(Element* e, el()) {
Element* ne = e->clone();
ne->setScore(sc);
ne->setUserOff(e->userOff());
m->add(ne);
}
return m;
}
//---------------------------------------------------------
// pos2sel
//---------------------------------------------------------
int Measure::snap(int tick, const QPointF p) const
{
Segment* s = first();
for (; s->next(); s = s->next()) {
qreal x = s->x();
qreal dx = s->next()->x() - x;
if (s->tick() == tick)
x += dx / 3.0 * 2.0;
else if (s->next()->tick() == tick)
x += dx / 3.0;
else
x += dx * .5;
if (p.x() < x)
break;
}
return s->tick();
}
//---------------------------------------------------------
// snapNote
//---------------------------------------------------------
int Measure::snapNote(int /*tick*/, const QPointF p, int staff) const
{
Segment* s = first();
for (;;) {
Segment* ns = s->next();
while (ns && ns->element(staff) == 0)
ns = ns->next();
if (ns == 0)
break;
qreal x = s->x();
qreal nx = x + (ns->x() - x) * .5;
if (p.x() < nx)
break;
s = ns;
}
return s->tick();
}
//---------------------------------------------------------
// getProperty
//---------------------------------------------------------
QVariant Measure::getProperty(P_ID propertyId) const
{
switch(propertyId) {
case P_ID::TIMESIG_NOMINAL:
return QVariant::fromValue(_timesig);
case P_ID::TIMESIG_ACTUAL:
return QVariant::fromValue(_len);
case P_ID::MEASURE_NUMBER_MODE:
return int(measureNumberMode());
case P_ID::BREAK_MMR:
return breakMultiMeasureRest();
case P_ID::REPEAT_COUNT:
return repeatCount();
case P_ID::USER_STRETCH:
return userStretch();
case P_ID::NO_OFFSET:
return noOffset();
case P_ID::IRREGULAR:
return irregular();
default:
return MeasureBase::getProperty(propertyId);
}
}
//---------------------------------------------------------
// setProperty
//---------------------------------------------------------
bool Measure::setProperty(P_ID propertyId, const QVariant& value)
{
switch (propertyId) {
case P_ID::TIMESIG_NOMINAL:
_timesig = value.value<Fraction>();
break;
case P_ID::TIMESIG_ACTUAL:
_len = value.value<Fraction>();
break;
case P_ID::MEASURE_NUMBER_MODE:
setMeasureNumberMode(MeasureNumberMode(value.toInt()));
break;
case P_ID::BREAK_MMR:
setBreakMultiMeasureRest(value.toBool());
break;
case P_ID::REPEAT_COUNT:
setRepeatCount(value.toInt());
break;
case P_ID::USER_STRETCH:
setUserStretch(value.toDouble());
break;
case P_ID::NO_OFFSET:
setNoOffset(value.toInt());
break;
case P_ID::IRREGULAR:
setIrregular(value.toBool());
break;
default:
return MeasureBase::setProperty(propertyId, value);
}
score()->setLayout(tick());
return true;
}
//---------------------------------------------------------
// propertyDefault
//---------------------------------------------------------
QVariant Measure::propertyDefault(P_ID propertyId) const
{
switch(propertyId) {
case P_ID::TIMESIG_NOMINAL:
case P_ID::TIMESIG_ACTUAL:
return QVariant();
case P_ID::MEASURE_NUMBER_MODE:
return int(MeasureNumberMode::AUTO);
case P_ID::BREAK_MMR:
return false;
case P_ID::REPEAT_COUNT:
return 2;
case P_ID::USER_STRETCH:
return 1.0;
case P_ID::NO_OFFSET:
return 0;
case P_ID::IRREGULAR:
return false;
default:
break;
}
return MeasureBase::propertyDefault(propertyId);
}
//-------------------------------------------------------------------
// mmRestFirst
// this is a multi measure rest
// returns first measure of replaced sequence of empty measures
//-------------------------------------------------------------------
Measure* Measure::mmRestFirst() const
{
Q_ASSERT(isMMRest());
if (prev())
return toMeasure(prev()->next());
return score()->firstMeasure();
}
//-------------------------------------------------------------------
// mmRestLast
// this is a multi measure rest
// returns last measure of replaced sequence of empty measures
//-------------------------------------------------------------------
Measure* Measure::mmRestLast() const
{
Q_ASSERT(isMMRest());
if (next())
return toMeasure(next()->prev());
return score()->lastMeasure();
}
//---------------------------------------------------------
// mmRest1
// return the multi measure rest this measure is covered
// by
//---------------------------------------------------------
const Measure* Measure::mmRest1() const
{
if (_mmRest)
return _mmRest;
if (_mmRestCount != -1)
// return const_cast<Measure*>(this);
return this;
const Measure* m = this;
while (m && !m->_mmRest)
m = m->prevMeasure();
if (m)
return const_cast<Measure*>(m->_mmRest);
return 0;
}
//-------------------------------------------------------------------
// userStretch
//-------------------------------------------------------------------
qreal Measure::userStretch() const
{
return (score()->layoutMode() == LayoutMode::FLOAT ? 1.0 : _userStretch);
}
//---------------------------------------------------------
// nextElementStaff
//---------------------------------------------------------
Element* Measure::nextElementStaff(int staff)
{
Segment* firstSeg = segments().first();
if (firstSeg)
return firstSeg->firstElement(staff);
return score()->firstElement();
}
//---------------------------------------------------------
// prevElementStaff
//---------------------------------------------------------
Element* Measure::prevElementStaff(int staff)
{
Measure* prevM = prevMeasureMM();
if (prevM) {
Segment* seg = prevM->last();
if (seg)
seg->lastElement(staff);
}
return score()->lastElement();
}
//---------------------------------------------------------
// accessibleInfo
//---------------------------------------------------------
QString Measure::accessibleInfo() const
{
return QString("%1: %2").arg(Element::accessibleInfo()).arg(QString::number(no() + 1));
}
//-----------------------------------------------------------------------------
// stretchMeasure
// resize width of measure to targetWidth
//-----------------------------------------------------------------------------
void Measure::stretchMeasure(qreal targetWidth)
{
bbox().setWidth(targetWidth);
//---------------------------------------------------
// compute minTick and set ticks for all segments
//---------------------------------------------------
int minTick = ticks();
if (minTick <= 0) {
qDebug("=====minTick %d measure %p", minTick, this);
}
Q_ASSERT(minTick > 0);
Segment* ns = first();
while (ns && !ns->enabled())
ns = ns->next();
while (ns) {
Segment* s = ns;
ns = s->nextEnabled();
int nticks = (ns ? ns->rtick() : ticks()) - s->rtick();
if (nticks) {
if (nticks < minTick)
minTick = nticks;
}
s->setTicks(nticks);
}
//---------------------------------------------------
// compute stretch
//---------------------------------------------------
std::multimap<qreal, Segment*> springs;
Segment* s = first();
while (s && !s->enabled())
s = s->next();
qreal minimumWidth = s ? s->x() : 0.0;
for (Segment& s : _segments) {
if (!s.enabled())
continue;
int t = s.ticks();
if (t) {
qreal str = 1.0 + 0.865617 * log(qreal(t) / qreal(minTick)); // .6 * log(t / minTick) / log(2);
qreal d = s.width() / str;
s.setStretch(str);
springs.insert(std::pair<qreal, Segment*>(d, &s));
}
minimumWidth += s.width();
}
//---------------------------------------------------
// compute 1/Force for a given Extend
//---------------------------------------------------
if (targetWidth > minimumWidth) {
qreal force = 0;
qreal c = 0.0;
for (auto i = springs.begin();;) {
c += i->second->stretch();
minimumWidth -= i->second->width();
qreal f = (targetWidth - minimumWidth) / c;
++i;
if (i == springs.end() || f <= i->first) {
force = f;
break;
}
}
//---------------------------------------------------
// distribute stretch to segments
//---------------------------------------------------
for (auto& i : springs) {
qreal width = force * i.second->stretch();
if (width > i.second->width())
i.second->setWidth(width);
}
//---------------------------------------------------
// move segments to final position
//---------------------------------------------------
Segment* s = first();
while (s && !s->enabled())
s = s->next();
qreal x = s->pos().x();
while (s) {
s->rxpos() = x;
x += s->width();
s = s->nextEnabled();
}
}
//---------------------------------------------------
// layout individual elements
//---------------------------------------------------
for (Segment& s : _segments) {
if (!s.enabled())
continue;
for (Element* e : s.elist()) {
if (!e)
continue;
Element::Type t = e->type();
int staffIdx = e->staffIdx();
if (t == Element::Type::REPEAT_MEASURE || (t == Element::Type::REST && (isMMRest() || toRest(e)->isFullMeasureRest()))) {
//
// element has to be centered in free space
// x1 - left measure position of free space
// x2 - right measure position of free space
Segment* s1;
for (s1 = s.prev(); s1 && !s1->enabled(); s1 = s1->prev())
;
Segment* s2;
for (s2 = s.next(); s2; s2 = s2->next()) {
if (s2->enabled() && !s2->isChordRestType() && s2->element(staffIdx * VOICES))
break;
}
qreal x1 = s1 ? s1->x() + s1->minRight() : 0;
qreal x2 = s2 ? s2->x() - s2->minLeft() : targetWidth;
if (isMMRest()) {
Rest* rest = toRest(e);
//
// center multi measure rest
//
qreal d = point(score()->styleS(StyleIdx::multiMeasureRestMargin));
qreal w = x2 - x1 - 2 * d;
rest->setMMWidth(w);
qreal x = x1 - s.x() + d;
e->setPos(x, e->staff()->height() * .5); // center vertically in measure
rest->layout();
s.createShape(staffIdx);
}
else { // if (rest->isFullMeasureRest()) {
//
// center full measure rest
//
e->rxpos() = (x2 - x1 - e->width()) * .5 + x1 - s.x() - e->bbox().x();
e->adjustReadPos();
s.createShape(staffIdx); // DEBUG
}
}
else if (t == Type::REST)
e->rxpos() = 0;
else if (t == Type::CHORD) {
Chord* c = toChord(e);
c->layout2();
if (c->tremolo())
c->tremolo()->layout();
}
else if (t == Type::BAR_LINE) {
e->setPos(QPointF());
e->adjustReadPos();
}
else
e->adjustReadPos();
}
}
}
//---------------------------------------------------------
// endBarLine
// return the first one
//---------------------------------------------------------
const BarLine* Measure::endBarLine() const
{
// search barline segment:
Segment* s = last();
while (s && !s->isEndBarLineType())
s = s->prev();
// search first element
if (s) {
for (const Element* e : s->elist()) {
if (e)
return toBarLine(e);
}
}
return 0;
}
//---------------------------------------------------------
// endBarLineType
// Assume all barlines have same type if there is more
// than one.
//---------------------------------------------------------
BarLineType Measure::endBarLineType() const
{
const BarLine* bl = endBarLine();
return bl ? bl->barLineType() : BarLineType::NORMAL;
}
//---------------------------------------------------------
// endBarLineType
// Assume all barlines have same visiblity if there is more
// than one.
//---------------------------------------------------------
bool Measure::endBarLineVisible() const
{
const BarLine* bl = endBarLine();
return bl ? bl->visible() : true;
}
//---------------------------------------------------------
// triggerLayout
//---------------------------------------------------------
void Measure::triggerLayout() const
{
score()->setLayout(tick());
score()->setLayout(endTick());
}
//---------------------------------------------------------
// setEndBarLineType
// Create a *generated* barline with the given type and
// properties if none exists. Modify if it exists.
// Useful for import filters.
//---------------------------------------------------------
void Measure::setEndBarLineType(BarLineType val, int track, bool visible, QColor color)
{
Segment* seg = undoGetSegment(Segment::Type::EndBarLine, endTick());
// get existing bar line for this staff, if any
BarLine* bl = toBarLine(seg->element(track));
if (!bl) {
// no suitable bar line: create a new one
bl = new BarLine(score());
bl->setParent(seg);
bl->setTrack(track);
score()->addElement(bl);
}
bl->setGenerated(false);
bl->setBarLineType(val);
bl->setVisible(visible);
bl->setColor(color.isValid() ? color : curColor());
}
//---------------------------------------------------------
// barLinesSetSpan
//---------------------------------------------------------
void Measure::barLinesSetSpan(Segment* seg)
{
int nstaves = score()->nstaves();
BarLine* bl = 0;
int span = 0; // span counter
int aspan = 0; // actual span
bool mensur = false; // keep note of Mensurstrich case
int spanTot; // to keep track of the target span as we count down
int lastIdx;
int spanFrom = 0;
int spanTo = 0;
static const int unknownSpanFrom = 9999;
for (int staffIdx = 0; staffIdx < nstaves; ++staffIdx) {
Staff* staff = score()->staff(staffIdx);
int track = staffIdx * VOICES;
int staffLines = staff->lines();
// get existing bar line for this staff, if any
BarLine* cbl = toBarLine(seg->element(track));
// if span counter has been counted off, get new span values
// and forget about any previous bar line
if (span == 0) {
if (cbl && cbl->customSpan()) { // if there is a bar line and has custom span,
span = cbl->span(); // get span values from it
spanFrom = cbl->spanFrom();
spanTo = cbl->spanTo();
}
else { // otherwise, get from staff
span = staff->barLineSpan();
// if some span OR last staff (span==0) of a Mensurstrich case, get From/To from staff
if (span || mensur) {
spanFrom = staff->barLineFrom();
spanTo = staff->barLineTo();
mensur = false;
}
// but if staff is set to no span, a multi-staff spanning bar line
// has been shortened to span less staves and following staves left without bars;
// set bar line span values to default
else if (staff->show()) {
span = 1;
spanFrom = staffLines == 1 ? BARLINE_SPAN_1LINESTAFF_FROM : 0;
spanTo = staffLines == 1 ? BARLINE_SPAN_1LINESTAFF_TO : (staff->lines() - 1) * 2;
}
}
if (!staff->show()) {
// this staff is not visible
// we should recalculate spanFrom when we find a valid staff
spanFrom = unknownSpanFrom;
}
if ((staffIdx + span) > nstaves) // sanity check, don't span more than available staves
span = nstaves - staffIdx;
spanTot = span;
lastIdx = staffIdx + span - 1;
bl = 0;
}
else if (spanFrom == unknownSpanFrom && staff->show()) {
// we started a span earlier, but had not found a valid staff yet
spanFrom = staffLines == 1 ? BARLINE_SPAN_1LINESTAFF_FROM : 0;
}
if (staff->show() && span) {
//
// there should be a barline in this staff
// this is true even for a staff not shown because of hide empty staves
// but not for a staff not shown because it is made invisible
//
// if we already have a bar line, keep extending this bar line down until span exhausted;
// if no barline yet, re-use the bar line existing in this staff if any,
// restarting actual span
if (!bl) {
bl = cbl;
aspan = 0;
}
if (!bl) {
// no suitable bar line: create a new one
bl = new BarLine(score());
bl->setParent(seg);
bl->setTrack(track);
bl->setGenerated(true);
score()->addElement(bl);
}
else {
// if a bar line exists for this staff (cbl) but
// it is not the bar line we are dealing with (bl),
// we are extending down the bar line of a staff above (bl)
// and the bar line for this staff (cbl) is not needed:
// DELETE it
if (cbl && cbl != bl) {
// Mensurstrich special case:
// if span arrives inside the end staff (spanTo>0) OR
// span is not multi-staff (spanTot<=1) OR
// current staff is not the last spanned staff (span!=1) OR
// staff is the last score staff
// remove bar line for this staff
// If NONE of the above conditions holds, the staff is the last staff of
// a Mensurstrich(-like) span: keep its bar line, as it may span to next staff
if (spanTo > 0 || spanTot <= 1 || span != 1 || staffIdx == nstaves-1)
score()->undoRemoveElement(cbl);
}
}
}
else {
//
// there should be no barline in this staff
//
if (cbl)
score()->undoRemoveElement(cbl);
}
// if span not counted off AND we have a bar line AND this staff is shown,
// set bar line span values (this may result in extending down a bar line
// for a previous staff, if we are counting off a span > 1)
if (span) {
if (bl) {
++aspan;
if (staff->show()) { // count visible staves only (whether hidden or not)
bl->setSpan(aspan); // need to update span & spanFrom even for hidden staves
bl->setSpanFrom(spanFrom);
// if current actual span < target span, set spanTo to full staff height
if (aspan < spanTot && staffIdx < lastIdx)
bl->setSpanTo(staffLines == 1 ? BARLINE_SPAN_1LINESTAFF_TO : (staffLines - 1) * 2);
// if we reached target span, set spanTo to intended value
else
bl->setSpanTo(spanTo);
}
}
--span;
}
// if just finished (span==0) a multi-staff span (spanTot>1) ending at the top of a staff (spanTo<=0)
// scan this staff again, as it may have its own bar lines (Mensurstrich(-like) span)
if (spanTot > 1 && spanTo <= 0 && span == 0) {
mensur = true;
staffIdx--;
}
}
}
//---------------------------------------------------------
// createEndBarLines
// actually creates or modifies barlines
// return the width change for measure
//---------------------------------------------------------
qreal Measure::createEndBarLines(bool isLastMeasureInSystem)
{
int nstaves = score()->nstaves();
Segment* seg = findSegmentR(Segment::Type::EndBarLine, ticks());
Measure* nm = nextMeasure();
#ifndef NDEBUG
computeMinWidth();
#endif
qreal oldWidth = width();
if (nm && nm->repeatStart() && !isLastMeasureInSystem && !repeatEnd()) {
// no barline, use StartBarLine of next measure
if (!seg)
return 0.0;
seg->setEnabled(false);
}
else {
BarLineType t = nm ? BarLineType::NORMAL : BarLineType::END;
if (!seg)
seg = undoGetSegmentR(Segment::Type::EndBarLine, ticks());
seg->setEnabled(true);
barLinesSetSpan(seg);
//
// Set flag "hasCourtesyKeySig" if this measure needs a courtesy key sig.
// This flag is later used to set a double end bar line and to actually
// create the courtesy key sig.
//
bool show = score()->styleB(StyleIdx::genCourtesyKeysig) && !sectionBreak() && nm;
setHasCourtesyKeySig(false);
if (isLastMeasureInSystem && show) {
int tick = endTick();
for (int staffIdx = 0; staffIdx < nstaves; ++staffIdx) {
Staff* staff = score()->staff(staffIdx);
KeySigEvent key1 = staff->keySigEvent(tick - 1);
KeySigEvent key2 = staff->keySigEvent(tick);
if (!(key1 == key2)) {
// locate a key sig. in next measure and, if found,
// check if it has court. sig turned off
Segment* s = nm->findSegment(Segment::Type::KeySig, tick);
if (s) {
KeySig* ks = toKeySig(s->element(staffIdx * VOICES));
if (ks && !ks->showCourtesy())
continue;
}
setHasCourtesyKeySig(true);
t = BarLineType::DOUBLE;
break;
}
}
}
bool force = false;
if (!isLastMeasureInSystem && repeatEnd() && nextMeasure()->repeatStart()) {
t = BarLineType::END_START_REPEAT;
force = true;
}
else if (repeatEnd()) {
t = BarLineType::END_REPEAT;
force = true;
}
else if (isLastMeasureInSystem && nextMeasure() && nextMeasure()->repeatStart()) {
t = BarLineType::NORMAL;
force = true;
}
for (int staffIdx = 0; staffIdx < nstaves; ++staffIdx) {
BarLine* bl = toBarLine(seg->element(staffIdx * VOICES));
if (bl) {
// do not change bar line type if bar line is user modified
// and its not a repeat start/end barline (forced)
if (bl->generated()) {
bl->setBarLineType(t);
bl->layout();
}
else {
if (force) {
score()->undoChangeProperty(bl, P_ID::BARLINE_TYPE, QVariant::fromValue(t));
bl->setGenerated(true);
bl->layout();
}
}
}
}
seg->createShapes();
}
// fix segment layout
Segment* s = seg->prevEnabled();
qreal x = s->rxpos();
computeMinWidth(s, x, false);
#ifndef NDEBUG
qreal w = width();
computeMinWidth();
if (!qFuzzyCompare(w, width()))
qDebug("width mismatch %f != %f at %d", w, width(), tick());
#endif
return width() - oldWidth;
}
//---------------------------------------------------------
// basicStretch
//---------------------------------------------------------
qreal Measure::basicStretch() const
{
qreal stretch = userStretch() * score()->styleD(StyleIdx::measureSpacing);
if (stretch < 1.0)
stretch = 1.0;
return stretch;
}
//---------------------------------------------------------
// basicWidth
//---------------------------------------------------------
qreal Measure::basicWidth() const
{
Segment* ls = last();
qreal w = (ls->x() + ls->width()) * basicStretch();
qreal minMeasureWidth = score()->styleP(StyleIdx::minMeasureWidth);
if (w < minMeasureWidth)
w = minMeasureWidth;
return w;
}
//-------------------------------------------------------------------
// addSystemHeader
/// Add elements to make this measure suitable as the first measure
/// of a system.
// The system header can contain a starting BarLine, a Clef,
// and a KeySig
//-------------------------------------------------------------------
void Measure::addSystemHeader(bool isFirstSystem)
{
int staffIdx = 0;
Segment* kSegment = findFirst(Segment::Type::KeySig, 0);
Segment* cSegment = findFirst(Segment::Type::HeaderClef, 0);
for (Staff* staff : score()->staves()) {
const int track = staffIdx * VOICES;
// keep key sigs in TABs: TABs themselves should hide them
bool needKeysig = isFirstSystem || score()->styleB(StyleIdx::genKeysig);
// If we need a Key::C KeySig (which would be invisible) and there is
// a courtesy key sig, dont create it and switch generated flags.
// This avoids creating an invisible KeySig which can distort layout.
KeySigEvent keyIdx = staff->keySigEvent(tick());
KeySig* ksAnnounce = 0;
if (needKeysig && (keyIdx.key() == Key::C)) {
Measure* pm = prevMeasure();
if (pm && pm->hasCourtesyKeySig()) {
Segment* ks = pm->first(Segment::Type::KeySigAnnounce);
if (ks) {
ksAnnounce = toKeySig(ks->element(track));
if (ksAnnounce) {
needKeysig = false;
// if (keysig) {
// ksAnnounce->setGenerated(false);
//TODO keysig->setGenerated(true);
// }
}
}
}
}
needKeysig = needKeysig && (keyIdx.key() != Key::C || keyIdx.custom() || keyIdx.isAtonal());
if (needKeysig) {
KeySig* keysig;
if (!kSegment) {
kSegment = new Segment(this, Segment::Type::KeySig, 0);
kSegment->setHeader(true);
add(kSegment);
keysig = 0;
}
else
keysig = toKeySig(kSegment->element(track));
if (!keysig) {
//
// create missing key signature
//
keysig = new KeySig(score());
keysig->setTrack(track);
keysig->setGenerated(true);
keysig->setParent(kSegment);
kSegment->add(keysig);
}
keysig->setKeySigEvent(keyIdx);
keysig->layout();
kSegment->createShape(staffIdx);
kSegment->setEnabled(true);
}
else {
if (kSegment) {
// do not disable user modified keysigs
bool disable = true;
for (int staffIdx = 0; staffIdx < score()->nstaves(); ++staffIdx) {
Element* e = kSegment->element(staffIdx * VOICES);
if (e && !e->generated()) {
disable = false;
break;
}
}
if (disable)
kSegment->setEnabled(false);
}
}
if (isFirstSystem || score()->styleB(StyleIdx::genClef)) {
ClefTypeList cl = staff->clefType(tick());
Clef* clef;
if (!cSegment) {
cSegment = new Segment(this, Segment::Type::HeaderClef, 0);
cSegment->setHeader(true);
add(cSegment);
clef = 0;
}
else
clef = toClef(cSegment->element(track));
if (staff->staffType()->genClef()) {
if (!clef) {
//
// create missing clef
//
clef = new Clef(score());
clef->setTrack(track);
clef->setGenerated(true);
clef->setParent(cSegment);
cSegment->add(clef);
}
if (clef->generated())
clef->setClefType(cl);
clef->setSmall(false);
clef->layout();
}
else if (clef) {
clef->parent()->remove(clef);
delete clef;
}
cSegment->createShape(staffIdx);
cSegment->setEnabled(true);
}
else {
if (cSegment)
cSegment->setEnabled(false);
}
++staffIdx;
}
//
// create systemic barline
//
Segment* s = findSegment(Segment::Type::BeginBarLine, tick());
BarLine* bl = s ? toBarLine(s->element(0)) : 0;
int n = score()->nstaves();
if ((n > 1 && score()->styleB(StyleIdx::startBarlineMultiple)) || (n == 1 && score()->styleB(StyleIdx::startBarlineSingle))) {
if (!bl) {
bl = new BarLine(score());
bl->setTrack(0);
bl->setGenerated(true);
if (!s) {
s = new Segment(this, Segment::Type::BeginBarLine, 0);
add(s);
}
bl->setParent(s);
bl->layout();
s->add(bl);
s->createShapes();
}
bl->setSpan(n);
bl->segment()->setEnabled(true);
bl->segment()->setHeader(true);
setHeader(true);
}
else if (s)
s->setEnabled(false);
checkHeader();
}
//---------------------------------------------------------
// addSystemTrailer
//---------------------------------------------------------
void Measure::addSystemTrailer(Measure* nm)
{
int _rtick = ticks();
bool isFinalMeasure = isFinalMeasureOfSection();
// locate a time sig. in the next measure and, if found,
// check if it has court. sig. turned off
TimeSig* ts;
bool showCourtesySig = false;
Segment* s = findSegmentR(Segment::Type::TimeSigAnnounce, _rtick);
if (score()->genCourtesyTimesig() && !isFinalMeasure && !score()->floatMode()) {
Segment* tss = nm->findSegmentR(Segment::Type::TimeSig, 0);
if (tss) {
ts = toTimeSig(tss->element(0));
if (ts && ts->showCourtesySig()) {
showCourtesySig = true;
// if due, create a new courtesy time signature for each staff
if (!s) {
s = new Segment(this, Segment::Type::TimeSigAnnounce, _rtick);
s->setTrailer(true);
add(s);
}
s->setEnabled(true);
int nstaves = score()->nstaves();
for (int track = 0; track < nstaves * VOICES; track += VOICES) {
TimeSig* nts = toTimeSig(tss->element(track));
if (!nts)
continue;
ts = toTimeSig(s->element(track));
if (!ts) {
ts = new TimeSig(score());
ts->setTrack(track);
ts->setGenerated(true);
ts->setParent(s);
score()->undoAddElement(ts);
}
ts->setFrom(nts);
ts->layout();
s->createShape(track / VOICES);
}
}
}
}
if (!showCourtesySig && s) {
// remove any existing time signatures
s->setEnabled(false);
}
// courtesy key signatures
int n = score()->nstaves();
bool show = hasCourtesyKeySig();
s = findSegmentR(Segment::Type::KeySigAnnounce, _rtick);
Segment* clefSegment = findSegmentR(Segment::Type::Clef, ticks());
for (int staffIdx = 0; staffIdx < n; ++staffIdx) {
int track = staffIdx * VOICES;
Staff* staff = score()->staff(staffIdx);
if (show) {
if (!s) {
s = new Segment(this, Segment::Type::KeySigAnnounce, _rtick);
s->setTrailer(true);
add(s);
}
KeySig* ks = toKeySig(s->element(track));
KeySigEvent key2 = staff->keySigEvent(endTick());
if (!ks) {
ks = new KeySig(score());
ks->setTrack(track);
ks->setGenerated(true);
ks->setParent(s);
s->add(ks);
}
//else if (!(ks->keySigEvent() == key2)) {
// score()->undo(new ChangeKeySig(ks, key2, ks->showCourtesy()));
// }
ks->setKeySigEvent(key2);
ks->layout();
s->createShape(track / VOICES);
s->setEnabled(true);
}
else {
// remove any existent courtesy key signature
if (s)
s->setEnabled(false);
}
if (clefSegment) {
Clef* clef = toClef(clefSegment->element(track));
if (clef) {
clef->setSmall(true);
if (!score()->genCourtesyClef() || repeatEnd() || isFinalMeasure || !clef->showCourtesy())
clef->clear(); // make invisible
}
}
}
checkTrailer();
}
//---------------------------------------------------------
// removeSystemHeader
//---------------------------------------------------------
void Measure::removeSystemHeader()
{
if (!header())
return;
for (Segment* seg = first(); seg; seg = seg->next()) {
if (!seg->header())
break;
seg->setEnabled(false);
}
setHeader(false);
}
//---------------------------------------------------------
// removeSystemTrailer
//---------------------------------------------------------
void Measure::removeSystemTrailer()
{
bool changed = false;
for (Segment* seg = last(); seg != first(); seg = seg->prev()) {
if (!seg->trailer())
break;
if (seg->enabled())
seg->setEnabled(false);
changed = true;
}
setTrailer(false);
if (changed)
computeMinWidth();
}
//---------------------------------------------------------
// checkHeader
//---------------------------------------------------------
void Measure::checkHeader()
{
for (Segment* seg = first(); seg; seg = seg->next()) {
if (seg->enabled() && seg->header()) {
setHeader(seg->header());
break;
}
}
}
//---------------------------------------------------------
// checkTrailer
//---------------------------------------------------------
void Measure::checkTrailer()
{
for (Segment* seg = last(); seg != first(); seg = seg->prev()) {
if (seg->enabled() && seg->trailer()) {
setTrailer(seg->trailer());
break;
}
}
}
//---------------------------------------------------------
// setStretchedWidth
//---------------------------------------------------------
void Measure::setStretchedWidth(qreal w)
{
qreal minWidth = score()->styleP(StyleIdx::minMeasureWidth);
if (w < minWidth)
w = minWidth;
qreal stretchableWidth = 0.0;
for (Segment* s = first(Segment::Type::ChordRest); s; s = s->next(Segment::Type::ChordRest)) {
stretchableWidth += s->width();
}
w += stretchableWidth * (basicStretch()-1.0) * ticks() / 1920.0;
setWidth(w);
}
//---------------------------------------------------------
// computeMinWidth
// sets the minimum stretched width of segment list s
// set the width and x position for all segments
//---------------------------------------------------------
void Measure::computeMinWidth(Segment* s, qreal x, bool isSystemHeader)
{
Segment* fs = s;
bool first = system()->firstMeasure() == this;
const Shape ls(first ? QRectF(0.0, -1000000.0, 0.0, 2000000.0) : QRectF(0.0, 0.0, 0.0, spatium() * 4));
while (s) {
s->rxpos() = x;
if (!s->enabled()) {
s->setWidth(0);
s = s->next();
continue;
}
Segment* ns = s->nextEnabled();
qreal w;
if (ns) {
if (isSystemHeader && !ns->header()) { // this is the system header gap
w = s->minHorizontalDistance(ns, true);
isSystemHeader = false;
}
else {
w = s->minHorizontalDistance(ns, false);
}
// printf(" min %f <%s>(%d) <%s>(%d)\n", s->x(), s->subTypeName(), s->enabled(), ns->subTypeName(), ns->enabled());
#if 1
// look back for collisions with previous segments
// this is time consuming (ca. +5%) and probably requires more optimization
int n = 1;
for (Segment* ps = s; ps != fs;) {
qreal ww;
ps = ps->prevEnabled();
if (ps == fs)
ww = ns->minLeft(ls) - s->x();
else {
if (ps->isChordRestType())
++n;
ww = ps->minHorizontalDistance(ns, false) - (s->x() - ps->x());
}
if (ww > w) {
// overlap !
// distribute extra space between segments ps - ss;
// only ChordRest segments get more space
// TODO: is there a special case n == 0 ?
qreal d = (ww - w) / n;
qreal xx = ps->x();
for (Segment* ss = ps; ss != s;) {
Segment* ns = ss->nextEnabled();
qreal ww = ss->width();
if (ss->isChordRestType()) {
ww += d;
ss->setWidth(ww);
}
xx += ww;
ns->rxpos() = xx;
ss = ns;
}
w += d;
x = xx;
break;
}
}
#endif
}
else
w = s->minRight();
s->setWidth(w);
x += w;
s = s->next();
}
setStretchedWidth(x);
}
void Measure::computeMinWidth()
{
Segment* s;
//
// skip disabled segment
//
for (s = first(); s && !s->enabled(); s = s->next()) {
s->rxpos() = 0;
s->setWidth(0);
}
if (!s) {
setWidth(0.0);
return;
}
qreal x;
bool first = system()->firstMeasure() == this;
// left barriere:
// Make sure no elements crosses the left boarder if first measure in a system.
//
Shape ls(first ? QRectF(0.0, -1000000.0, 0.0, 2000000.0) : QRectF(0.0, 0.0, 0.0, spatium() * 4));
x = s->minLeft(ls);
if (s->isChordRestType())
x += score()->styleP(StyleIdx::barNoteDistance);
else if (s->isClefType())
x += score()->styleP(StyleIdx::clefLeftMargin);
else if (s->isKeySigType())
x = qMax(x, score()->styleP(StyleIdx::keysigLeftMargin));
else if (s->isTimeSigType())
x = qMax(x, score()->styleP(StyleIdx::timesigLeftMargin));
x += s->extraLeadingSpace().val() * spatium();
bool isSystemHeader = s->header();
computeMinWidth(s, x, isSystemHeader);
}
}
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