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cmd.cpp
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cmd.cpp
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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2002-2013 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
Handling of several GUI commands.
*/
#include <assert.h>
#include "musescoreCore.h"
#include "score.h"
#include "utils.h"
#include "key.h"
#include "clef.h"
#include "navigate.h"
#include "slur.h"
#include "tie.h"
#include "note.h"
#include "rest.h"
#include "chord.h"
#include "text.h"
#include "sig.h"
#include "staff.h"
#include "part.h"
#include "style.h"
#include "page.h"
#include "barline.h"
#include "tuplet.h"
#include "xml.h"
#include "ottava.h"
#include "trill.h"
#include "pedal.h"
#include "hairpin.h"
#include "textline.h"
#include "keysig.h"
#include "volta.h"
#include "dynamic.h"
#include "box.h"
#include "harmony.h"
#include "system.h"
#include "stafftext.h"
#include "articulation.h"
#include "layoutbreak.h"
#include "drumset.h"
#include "beam.h"
#include "lyrics.h"
#include "pitchspelling.h"
#include "measure.h"
#include "tempo.h"
#include "sig.h"
#include "undo.h"
#include "timesig.h"
#include "repeat.h"
#include "tempotext.h"
#include "clef.h"
#include "noteevent.h"
#include "breath.h"
#include "stringdata.h"
#include "stafftype.h"
#include "segment.h"
#include "chordlist.h"
#include "mscore.h"
#include "accidental.h"
#include "sequencer.h"
#include "tremolo.h"
#include "rehearsalmark.h"
namespace Ms {
//---------------------------------------------------------
// reset
//---------------------------------------------------------
void CmdState::reset()
{
// refresh = QRectF(); ///< area to update, canvas coordinates
layoutFlags = LayoutFlag::NO_FLAGS;
_updateMode = UpdateMode::DoNothing;
// _playNote = false; ///< play selected note after command
// _playChord = false; ///< play whole chord for the selected note
_excerptsChanged = false;
_instrumentsChanged = false;
// _selectionChanged = false;
_startTick = -1;
_endTick = -1;
}
//---------------------------------------------------------
// setTick
//---------------------------------------------------------
void CmdState::setTick(int t)
{
if (_updateMode == UpdateMode::LayoutAll)
return;
if (_startTick == -1 || t < _startTick)
_startTick = t;
if (_endTick == -1 || t > _endTick)
_endTick = t;
setUpdateMode(UpdateMode::LayoutRange);
}
//---------------------------------------------------------
// setUpdateMode
//---------------------------------------------------------
void CmdState::setUpdateMode(UpdateMode m)
{
if (int(m) > int(_updateMode))
_updateMode = m;
}
//---------------------------------------------------------
// startCmd
/// Start a GUI command by clearing the redraw area
/// and starting a user-visble undo.
//---------------------------------------------------------
void Score::startCmd()
{
if (MScore::debugMode)
qDebug("===startCmd()");
cmdState().reset();
// Start collecting low-level undo operations for a
// user-visible undo action.
if (undoStack()->active()) {
qDebug("Score::startCmd(): cmd already active");
return;
}
undoStack()->beginMacro();
undo(new SaveState(this));
}
//---------------------------------------------------------
// endCmd
/// End a GUI command by (if \a undo) ending a user-visble undo
/// and (always) updating the redraw area.
//---------------------------------------------------------
void Score::endCmd(bool rollback)
{
if (!undoStack()->active()) {
qDebug("Score::endCmd(): no cmd active");
update();
return;
}
if (rollback) {
setLayoutAll();
undoStack()->current()->unwind();
}
update();
if (MScore::debugMode)
qDebug("===endCmd() %d", undoStack()->current()->childCount());
bool noUndo = undoStack()->current()->childCount() <= 1; // nothing to undo?
undoStack()->endMacro(noUndo);
if (dirty()) {
masterScore()->_playlistDirty = true; // TODO: flag individual operations
masterScore()->_autosaveDirty = true;
}
// MuseScoreCore::mscoreCore->endCmd();
cmdState().reset();
}
//---------------------------------------------------------
// update
// layout & update
//---------------------------------------------------------
void Score::update()
{
CmdState& cs = cmdState();
if (cs.layoutAll()) {
for (Score* s : scoreList())
s->doLayout();
cs._setUpdateMode(UpdateMode::UpdateAll);
}
else if (cs.layoutRange()) {
for (Score* s : scoreList())
s->doLayoutRange(cs.startTick(), cs.endTick());
cs._setUpdateMode(UpdateMode::UpdateAll);
}
if (cs.updateAll()) {
for (Score* s : scoreList()) {
for (MuseScoreView* v : s->viewer)
v->updateAll();
}
cs._setUpdateMode(UpdateMode::DoNothing);
}
else if (cs.updateRange()) {
// updateRange updates only current score
qreal d = spatium() * .5;
_updateState.refresh.adjust(-d, -d, 2 * d, 2 * d);
for (MuseScoreView* v : viewer)
v->dataChanged(_updateState.refresh);
_updateState.refresh = QRectF();
}
const InputState& is = inputState();
if (is.noteEntryMode() && is.segment()) {
setPlayPos(is.segment()->tick());
}
if (_playlistDirty) {
emit playlistChanged();
_playlistDirty = false;
}
}
//---------------------------------------------------------
// endUndoRedo
/// Common handling for ending undo or redo
//---------------------------------------------------------
void Score::endUndoRedo()
{
update();
updateSelection();
}
//---------------------------------------------------------
// cmdAddSpanner
// drop VOLTA, OTTAVA, TRILL, PEDAL, DYNAMIC
// HAIRPIN, and TEXTLINE
//---------------------------------------------------------
void Score::cmdAddSpanner(Spanner* spanner, const QPointF& pos)
{
int staffIdx;
Segment* segment;
MeasureBase* mb = pos2measure(pos, &staffIdx, 0, &segment, 0);
// ignore if we do not have a measure
if (mb == 0 || mb->type() != Element::Type::MEASURE) {
qDebug("cmdAddSpanner: cannot put object here");
delete spanner;
return;
}
// all spanners live in voice 0 (except slurs/ties)
int track = staffIdx == -1 ? -1 : staffIdx * VOICES;
spanner->setTrack(track);
spanner->setTrack2(track);
if (spanner->anchor() == Spanner::Anchor::SEGMENT) {
spanner->setTick(segment->tick());
int lastTick = lastMeasure()->tick() + lastMeasure()->ticks();
int tick2 = qMin(segment->measure()->tick() + segment->measure()->ticks(), lastTick);
spanner->setTick2(tick2);
}
else { // Anchor::MEASURE, Anchor::CHORD, Anchor::NOTE
Measure* m = static_cast<Measure*>(mb);
QRectF b(m->canvasBoundingRect());
if (pos.x() >= (b.x() + b.width() * .5) && m != lastMeasureMM())
m = m->nextMeasure();
spanner->setTick(m->tick());
spanner->setTick2(m->endTick());
}
undoAddElement(spanner);
select(spanner, SelectType::SINGLE, 0);
}
//---------------------------------------------------------
// cmdAddSpanner
// used when applying a spanner to a selection
//---------------------------------------------------------
void Score::cmdAddSpanner(Spanner* spanner, int staffIdx, Segment* startSegment, Segment* endSegment)
{
int track = staffIdx * VOICES;
spanner->setTrack(track);
spanner->setTrack2(track);
spanner->setTick(startSegment->tick());
int tick2;
if (!endSegment)
tick2 = lastSegment()->tick();
else if (endSegment == startSegment)
tick2 = startSegment->measure()->last()->tick();
else
tick2 = endSegment->tick();
spanner->setTick2(tick2);
if (spanner->type() == Element::Type::TEXTLINE
|| spanner->type() == Element::Type::NOTELINE
|| spanner->type() == Element::Type::OTTAVA
|| spanner->type() == Element::Type::PEDAL
|| spanner->type() == Element::Type::HAIRPIN
|| spanner->type() == Element::Type::VOLTA) {
// rebase text elements to score style
TextLine* tl = static_cast<TextLine*>(spanner);
TextStyleType st;
Text* t;
// begin
t = tl->beginTextElement();
if (t) {
st = t->textStyleType();
if (st >= TextStyleType::DEFAULT)
t->textStyle().restyle(MScore::baseStyle()->textStyle(st), textStyle(st));
}
// continue
t = tl->continueTextElement();
if (t) {
st = t->textStyleType();
if (st >= TextStyleType::DEFAULT)
t->textStyle().restyle(MScore::baseStyle()->textStyle(st), textStyle(st));
}
// end
t = tl->endTextElement();
if (t) {
st = t->textStyleType();
if (st >= TextStyleType::DEFAULT)
t->textStyle().restyle(MScore::baseStyle()->textStyle(st), textStyle(st));
}
}
undoAddElement(spanner);
}
//---------------------------------------------------------
// expandVoice
// fills gaps in voice with rests,
// from previous cr (or beginning of measure) to next cr (or end of measure)
//---------------------------------------------------------
void Score::expandVoice(Segment* s, int track)
{
if (!s) {
qDebug("expand voice: no segment");
return;
}
if (s->element(track)) {
ChordRest* cr = (ChordRest*)(s->element(track));
qDebug("expand voice: found %s %s", cr->name(), qPrintable(cr->duration().print()));
return;
}
// find previous segment with cr in this track
Segment* ps;
for (ps = s; ps; ps = ps->prev(Segment::Type::ChordRest)) {
if (ps->element(track))
break;
}
if (ps) {
ChordRest* cr = static_cast<ChordRest*>(ps->element(track));
int tick = cr->tick() + cr->actualTicks();
if (tick > s->tick()) {
// previous cr extends past current segment
qDebug("expandVoice: cannot insert element here");
return;
}
if (cr->type() == Element::Type::CHORD) {
// previous cr ends on or before current segment
// for chords, move ps to just after cr ends
// so we can fill any gap that might exist
// but don't move ps if previous cr is a rest
// this will be combined with any new rests needed to fill up to s->tick() below
ps = ps->measure()->undoGetSegment(Segment::Type::ChordRest, tick);
}
}
//
// fill up to s->tick() with rests
//
Measure* m = s->measure();
int stick = ps ? ps->tick() : m->tick();
int ticks = s->tick() - stick;
if (ticks)
setRest(stick, track, Fraction::fromTicks(ticks), false, 0);
//
// fill from s->tick() until next chord/rest in measure
//
Segment* ns;
for (ns = s->next(Segment::Type::ChordRest); ns; ns = ns->next(Segment::Type::ChordRest)) {
if (ns->element(track))
break;
}
ticks = ns ? (ns->tick() - s->tick()) : (m->ticks() - s->rtick());
if (ticks == m->ticks())
addRest(s, track, TDuration(TDuration::DurationType::V_MEASURE), 0);
else
setRest(s->tick(), track, Fraction::fromTicks(ticks), false, 0);
}
void Score::expandVoice()
{
Segment* s = _is.segment();
int track = _is.track();
expandVoice(s, track);
}
//---------------------------------------------------------
// cmdAddInterval
//---------------------------------------------------------
void Score::cmdAddInterval(int val, const std::vector<Note*>& nl)
{
startCmd();
for (Note* on : nl) {
Note* note = new Note(this);
Chord* chord = on->chord();
note->setParent(chord);
int valTmp = val < 0 ? val+1 : val-1;
int npitch;
int ntpc1;
int ntpc2;
if (abs(valTmp) != 7) {
int line = on->line() - valTmp;
int tick = chord->tick();
Staff* estaff = staff(on->staffIdx() + chord->staffMove());
ClefType clef = estaff->clef(tick);
Key key = estaff->key(tick);
npitch = line2pitch(line, clef, key);
int ntpc = pitch2tpc(npitch, key, Prefer::NEAREST);
Interval v = on->part()->instrument(tick)->transpose();
if (v.isZero())
ntpc1 = ntpc2 = ntpc;
else {
if (styleB(StyleIdx::concertPitch)) {
v.flip();
ntpc1 = ntpc;
ntpc2 = Ms::transposeTpc(ntpc, v, true);
}
else {
npitch += v.chromatic;
ntpc2 = ntpc;
ntpc1 = Ms::transposeTpc(ntpc, v, true);
}
}
}
else { //special case for octave
Interval interval(7, 12);
if (val < 0)
interval.flip();
transposeInterval(on->pitch(), on->tpc(), &npitch, &ntpc1, interval, false);
ntpc1 = on->tpc1();
ntpc2 = on->tpc2();
}
if (npitch < 0 || npitch > 127) {
delete note;
return;
}
note->setPitch(npitch, ntpc1, ntpc2);
undoAddElement(note);
setPlayNote(true);
select(note, SelectType::SINGLE, 0);
}
setLayoutAll();
_is.moveToNextInputPos();
endCmd();
}
//---------------------------------------------------------
// setGraceNote
/// Create a grace note in front of a normal note.
/// \arg ch is the chord of the normal note
/// \arg pitch is the pitch of the grace note
/// \arg is the grace note type
/// \len is the visual duration of the grace note (1/16 or 1/32)
//---------------------------------------------------------
void Score::setGraceNote(Chord* ch, int pitch, NoteType type, int len)
{
Note* note = new Note(this);
Chord* chord = new Chord(this);
// alow grace notes to be added to other grace notes
// by really adding to parent chord
if (ch->noteType() != NoteType::NORMAL)
ch = static_cast<Chord*>(ch->parent());
chord->setTrack(ch->track());
chord->setParent(ch);
chord->add(note);
note->setPitch(pitch);
// find corresponding note within chord and use its tpc information
for (Note* n : ch->notes()) {
if (n->pitch() == pitch) {
note->setTpc1(n->tpc1());
note->setTpc2(n->tpc2());
break;
}
}
// note with same pitch not found, derive tpc from pitch / key
if (!tpcIsValid(note->tpc1()) || !tpcIsValid(note->tpc2()))
note->setTpcFromPitch();
TDuration d;
d.setVal(len);
chord->setDurationType(d);
chord->setDuration(d.fraction());
chord->setNoteType(type);
chord->setMag(ch->staff()->mag() * styleD(StyleIdx::graceNoteMag));
undoAddElement(chord);
select(note, SelectType::SINGLE, 0);
}
//---------------------------------------------------------
// setNoteRest
// pitch == -1 -> set rest
// return segment of last created note/rest
//---------------------------------------------------------
Segment* Score::setNoteRest(Segment* segment, int track, NoteVal nval, Fraction sd,
Direction stemDirection)
{
Q_ASSERT(segment->segmentType() == Segment::Type::ChordRest);
int tick = segment->tick();
Element* nr = 0;
Tie* tie = 0;
ChordRest* cr = static_cast<ChordRest*>(segment->element(track));
Measure* measure = 0;
for (;;) {
if (track % VOICES)
expandVoice(segment, track);
// the returned gap ends at the measure boundary or at tuplet end
Fraction dd = makeGap(segment, track, sd, cr ? cr->tuplet() : 0);
if (dd.isZero()) {
qDebug("cannot get gap at %d type: %d/%d", tick, sd.numerator(),
sd.denominator());
break;
}
measure = segment->measure();
std::vector<TDuration> dl = toDurationList(dd, true);
int n = dl.size();
for (int i = 0; i < n; ++i) {
const TDuration& d = dl[i];
ChordRest* ncr;
Note* note = 0;
Tie* addTie = 0;
if (nval.pitch == -1) {
nr = ncr = new Rest(this);
nr->setTrack(track);
ncr->setDurationType(d);
ncr->setDuration(d.fraction());
}
else {
nr = note = new Note(this);
if (tie) {
tie->setEndNote(note);
note->setTieBack(tie);
addTie = tie;
}
Chord* chord = new Chord(this);
chord->setTrack(track);
chord->setDurationType(d);
chord->setDuration(d.fraction());
chord->setStemDirection(stemDirection);
chord->add(note);
note->setNval(nval, tick);
ncr = chord;
if (i+1 < n) {
tie = new Tie(this);
tie->setStartNote(note);
tie->setTrack(track);
note->setTieFor(tie);
}
}
ncr->setTuplet(cr ? cr->tuplet() : 0);
undoAddCR(ncr, measure, tick);
if (addTie)
undoAddElement(addTie);
setPlayNote(true);
segment = ncr->segment();
tick += ncr->actualTicks();
}
sd -= dd;
if (sd.isZero())
break;
Segment* nseg = tick2segment(tick, false, Segment::Type::ChordRest);
if (nseg == 0) {
qDebug("reached end of score");
break;
}
segment = nseg;
cr = static_cast<ChordRest*>(segment->element(track));
if (cr == 0) {
if (track % VOICES)
cr = addRest(segment, track, TDuration(TDuration::DurationType::V_MEASURE), 0);
else {
qDebug("no rest in voice 0");
break;
}
}
//
// Note does not fit on current measure, create Tie to
// next part of note
if (nval.pitch != -1) {
tie = new Tie(this);
tie->setStartNote((Note*)nr);
tie->setTrack(nr->track());
((Note*)nr)->setTieFor(tie);
}
}
if (tie)
connectTies();
if (nr) {
if (_is.slur() && nr->type() == Element::Type::NOTE) {
//
// extend slur
//
Chord* chord = static_cast<Note*>(nr)->chord();
_is.slur()->undoChangeProperty(P_ID::SPANNER_TICKS, chord->tick() - _is.slur()->tick());
for (ScoreElement* e : _is.slur()->linkList()) {
Slur* slur = static_cast<Slur*>(e);
for (ScoreElement* ee : chord->linkList()) {
Element* e = static_cast<Element*>(ee);
if (e->score() == slur->score() && e->track() == slur->track2()) {
slur->score()->undo(new ChangeSpannerElements(slur, slur->startElement(), e));
break;
}
}
}
setLayoutAll();
}
select(nr, SelectType::SINGLE, 0);
}
return segment;
}
//---------------------------------------------------------
// makeGap
// make time gap at tick by removing/shortening
// chord/rest
//
// if keepChord, the chord at tick is not removed
//
// gap does not exceed measure or scope of tuplet
//
// return size of actual gap
//---------------------------------------------------------
Fraction Score::makeGap(Segment* segment, int track, const Fraction& _sd, Tuplet* tuplet, bool keepChord)
{
Q_ASSERT(_sd.numerator());
Measure* measure = segment->measure();
setLayoutAll();
Fraction akkumulated;
Fraction sd = _sd;
//
// remember first segment which should
// not be deleted (it may contain other elements we want to preserve)
//
Segment* firstSegment = segment;
int nextTick = segment->tick();
for (Segment* seg = firstSegment; seg; seg = seg->next(Segment::Type::ChordRest)) {
//
// voices != 0 may have gaps:
//
ChordRest* cr = static_cast<ChordRest*>(seg->element(track));
if (!cr) {
if (seg->tick() < nextTick)
continue;
Segment* seg1 = seg->next(Segment::Type::ChordRest);
int tick2 = seg1 ? seg1->tick() : seg->measure()->tick() + seg->measure()->ticks();
Fraction td(Fraction::fromTicks(tick2 - seg->tick()));
segment = seg;
if (td > sd)
td = sd;
akkumulated += td;
sd -= td;
if (sd.isZero())
return akkumulated;
nextTick = tick2;
continue;
}
//
// limit to tuplet level
//
if (tuplet) {
bool tupletEnd = true;
Tuplet* t = cr->tuplet();
while (t) {
if (cr->tuplet() == tuplet) {
tupletEnd = false;
break;
}
t = t->tuplet();
}
if (tupletEnd)
return akkumulated;
}
Fraction td(cr->duration());
// remove tremolo between 2 notes, if present
if (cr->type() == Element::Type::CHORD) {
Chord* c = static_cast<Chord*>(cr);
if (c->tremolo()) {
Tremolo* tremolo = c->tremolo();
if (tremolo->twoNotes())
undoRemoveElement(tremolo);
}
}
Tuplet* ltuplet = cr->tuplet();
if (ltuplet != tuplet) {
//
// Current location points to the start of a (nested)tuplet.
// We have to remove the complete tuplet.
// get top level tuplet
while (ltuplet->tuplet())
ltuplet = ltuplet->tuplet();
// get last segment of tuplet, drilling down to leaf nodes as necessary
Tuplet* t = ltuplet;
while (t->elements().last()->type() == Element::Type::TUPLET)
t = static_cast<Tuplet*>(t->elements().last());
seg = static_cast<ChordRest*>(t->elements().last())->segment();
// now delete the full tuplet
td = ltuplet->duration();
cmdDeleteTuplet(ltuplet, false);
tuplet = 0;
}
else {
if (seg != firstSegment || !keepChord)
undoRemoveElement(cr);
// even if there was a tuplet, we didn't remove it
ltuplet = 0;
}
nextTick += td.ticks();
if (sd < td) {
//
// we removed too much
//
akkumulated = _sd;
Fraction rd = td - sd;
std::vector<TDuration> dList = toDurationList(rd, false);
if (dList.empty())
return akkumulated;
Fraction f = sd / cr->staff()->timeStretch(cr->tick());
for (Tuplet* t = tuplet; t; t = t->tuplet())
f /= t->ratio();
int tick = cr->tick() + f.ticks();
if ((tuplet == 0) && (((measure->tick() - tick) % dList[0].ticks()) == 0)) {
foreach(TDuration d, dList) {
qDebug("reinstate at %d, %d", tick, d.ticks());
if (ltuplet) {
// take care not to recreate tuplet we just deleted
Rest* r = setRest(tick, track, d.fraction(), false, 0, false);
tick += r->actualTicks();
}
else {
tick += addClone(cr, tick, d)->actualTicks();
}
}
}
else {
for (int i = dList.size() - 1; i >= 0; --i) {
if (ltuplet) {
// take care not to recreate tuplet we just deleted
Rest* r = setRest(tick, track, dList[i].fraction(), false, 0, false);
tick += r->actualTicks();
}
else {
tick += addClone(cr, tick, dList[i])->actualTicks();
}
}
}
return akkumulated;
}
akkumulated += td;
sd -= td;
if (sd.isZero())
return akkumulated;
}
// int ticks = measure->tick() + measure->ticks() - segment->tick();
// Fraction td = Fraction::fromTicks(ticks);
// NEEDS REVIEW !!
// once the statement below is removed, these two lines do nothing
// if (td > sd)
// td = sd;
// ??? akkumulated should already contain the total value of the created gap: line 749, 811 or 838
// this line creates a qreal-sized gap if the needed gap crosses a measure boundary
// by adding again the duration already added in line 838
// akkumulated += td;
return akkumulated;
}
//---------------------------------------------------------
// makeGap1
// make time gap for each voice
// starting at tick+voiceOffset[voice] by removing/shortening
// chord/rest
// - cr is top level (not part of a tuplet)
// - do not stop at measure end
//---------------------------------------------------------
bool Score::makeGap1(int baseTick, int staffIdx, Fraction len, int voiceOffset[VOICES])
{
Segment* seg = tick2segment(baseTick, true, Segment::Type::ChordRest);
if (!seg) {
qDebug("no segment to paste at tick %d", baseTick);
return false;
}
int strack = staffIdx * VOICES;
for (int track = strack; track < strack + VOICES; track++) {
if (voiceOffset[track-strack] == -1)
continue;
int tick = baseTick + voiceOffset[track-strack];
Measure* m = tick2measure(tick);
seg = m->undoGetSegment(Segment::Type::ChordRest, tick);
Fraction newLen = len - Fraction::fromTicks(voiceOffset[track-strack]);
Q_ASSERT(newLen.numerator() != 0);
bool result = makeGapVoice(seg, track, newLen, tick);
if (track == strack && !result) // makeGap failed for first voice
return false;
}
return true;
}
bool Score::makeGapVoice(Segment* seg, int track, Fraction len, int tick)
{
ChordRest* cr = 0;
cr = static_cast<ChordRest*>(seg->element(track));
if (!cr) {
// check if we are in the middle of a chord/rest
Segment* seg1 = seg->prev(Segment::Type::ChordRest);
for (;;) {
if (seg1 == 0) {
qDebug("no segment before tick %d", tick);
// this happens only for voices other than voice 1
expandVoice(seg, track);
return makeGapVoice(seg,track,len,tick);
}
if (seg1->element(track))
break;
seg1 = seg1->prev(Segment::Type::ChordRest);
}
ChordRest* cr1 = static_cast<ChordRest*>(seg1->element(track));
Fraction srcF = cr1->duration();
Fraction dstF = Fraction::fromTicks(tick - cr1->tick());
std::vector<TDuration> dList = toDurationList(dstF, true);
int n = dList.size();
undoChangeChordRestLen(cr1, TDuration(dList[0]));
if (n > 1) {
int crtick = cr1->tick() + cr1->actualTicks();
Measure* measure = tick2measure(crtick);
if (cr1->type() == Element::Type::CHORD) {
// split Chord
Chord* c = static_cast<Chord*>(cr1);
for (int i = 1; i < n; ++i) {
TDuration d = dList[i];
Chord* c2 = addChord(crtick, d, c, true, c->tuplet());
c = c2;
seg1 = c->segment();
crtick += c->actualTicks();
}
}
else {
// split Rest
Rest* r = static_cast<Rest*>(cr1);
for (int i = 1; i < n; ++i) {
TDuration d = dList[i];
Rest* r2 = static_cast<Rest*>(r->clone());
r2->setDuration(d.fraction());
r2->setDurationType(d);
undoAddCR(r2, measure, crtick);
seg1 = r2->segment();
crtick += r2->actualTicks();
}
}
}
setRest(tick, track, srcF - dstF, true, 0);
for (;;) {
seg1 = seg1->next1(Segment::Type::ChordRest);
if (seg1 == 0) {
qDebug("no segment");
return false;
}
if (seg1->element(track)) {
cr = static_cast<ChordRest*>(seg1->element(track));
break;
}
}
}
for (;;) {
if (!cr) {
qDebug("cannot make gap");
return false;
}
Fraction l = makeGap(cr->segment(), cr->track(), len, 0);
if (l.isZero()) {
qDebug("returns zero gap");
return false;
}
len -= l;
if (len.isZero())
break;
// go to next cr
Measure* m = cr->measure()->nextMeasure();
if (m == 0) {
qDebug("EOS reached");
insertMeasure(Element::Type::MEASURE, 0, false);
m = cr->measure()->nextMeasure();
if (m == 0) {
qDebug("===EOS reached");
return true;
}
}
// first segment in measure was removed, have to recreate it
Segment* s = m->undoGetSegment(Segment::Type::ChordRest, m->tick());
int track = cr->track();
cr = static_cast<ChordRest*>(s->element(track));
if (cr == 0) {
addRest(s, track, TDuration(TDuration::DurationType::V_MEASURE), 0);
cr = static_cast<ChordRest*>(s->element(track));
}
}
return true;
}
//---------------------------------------------------------
// splitGapToMeasureBoundaries
// cr - start of gap
// gap - gap len
//---------------------------------------------------------
QList<Fraction> Score::splitGapToMeasureBoundaries(ChordRest* cr, Fraction gap)
{
QList<Fraction> flist;
Tuplet* tuplet = cr->tuplet();
if (tuplet) {
if(tuplet->tuplet())
return flist; // do no deal with nested tuplets
Fraction rest = Fraction::fromTicks(tuplet->tick() + tuplet->duration().ticks() - cr->segment()->tick()) * tuplet->ratio();
if (rest < gap)
qDebug("does not fit in tuplet");
else
flist.append(gap);
return flist;
}
Segment* s = cr->segment();
while (gap > Fraction(0)) {
Measure* m = s->measure();
Fraction rest = Fraction::fromTicks(m->ticks() - s->rtick());
if (rest >= gap) {
flist.append(gap);
return flist;
}
flist.append(rest);
gap -= rest;
m = m->nextMeasure();
if (m == 0)
return flist;
s = m->first(Segment::Type::ChordRest);
}
return flist;
}
//---------------------------------------------------------
// changeCRlen
//---------------------------------------------------------
void Score::changeCRlen(ChordRest* cr, const TDuration& d)
{
Fraction srcF(cr->duration());
Fraction dstF;
if (d.type() == TDuration::DurationType::V_MEASURE)
dstF = cr->measure()->stretchedLen(cr->staff());