C++ Chord::staffIdx方法代码示例

Note* searchTieNote114(Note* note)
      {
      Note* note2  = 0;
      Chord* chord = note->chord();
      Segment* seg = chord->segment();
      Part* part   = chord->staff()->part();
      int strack   = part->staves()->front()->idx() * VOICES;
      int etrack   = strack + part->staves()->size() * VOICES;

      while ((seg = seg->next1(Segment::SegChordRest))) {
            for (int track = strack; track < etrack; ++track) {
                  Chord* c = static_cast<Chord*>(seg->element(track));
                  if (c == 0 || (c->type() != Element::CHORD) || (c->track() != chord->track()))
                        continue;
                  int staffIdx = c->staffIdx() + c->staffMove();
                  if (staffIdx != chord->staffIdx() + chord->staffMove())  // cannot happen?
                        continue;
                  for (Note* n : c->notes()) {
                        if (n->pitch() == note->pitch()) {
                              if (note2 == 0 || c->track() == chord->track())
                                    note2 = n;
                              }
                        }
                  }
            if (note2)
                  break;
            }
      return note2;
      }

Note* searchTieNote(Note* note)
      {
      Note* note2  = 0;
      Chord* chord = note->chord();
      Segment* seg = chord->segment();
      Part* part   = chord->staff()->part();
      int strack   = part->staves()->front()->idx() * VOICES;
      int etrack   = strack + part->staves()->size() * VOICES;

      if (chord->isGraceBefore()) {
            chord = static_cast<Chord*>(chord->parent());
            note2 = chord->findNote(note->pitch());
            return note2;
            }
      QList<Chord*> gna;
      if (chord->getGraceNotesAfter(&gna)) {
            chord = gna[0];
            note2 = chord->findNote(note->pitch());
            return note2;
            }

      while ((seg = seg->next1(Segment::Type::ChordRest))) {
            for (int track = strack; track < etrack; ++track) {
                  Chord* c = static_cast<Chord*>(seg->element(track));
                  if (c == 0 || c->type() != Element::Type::CHORD)
                        continue;
                  int staffIdx = c->staffIdx() + c->staffMove();
                  if (staffIdx != chord->staffIdx() + chord->staffMove())  // cannot happen?
                        continue;
                  for (Note* n : c->notes()) {
                        if (n->pitch() == note->pitch()) {
                              if (note2 == 0 || c->track() == chord->track())
                                    note2 = n;
                              }
                        }
                  }
            if (note2)
                  break;
            }
      return note2;
      }

Note* searchTieNote(Note* note)
      {
      Note* note2  = 0;
      Chord* chord = note->chord();
      Segment* seg = chord->segment();
      Part* part   = chord->part();
      int strack   = part->staves()->front()->idx() * VOICES;
      int etrack   = strack + part->staves()->size() * VOICES;

      if (chord->isGraceBefore()) {
            // grace before
            // try to tie to note in parent chord
            chord = toChord(chord->parent());
            note2 = chord->findNote(note->pitch());
            if (note2)
                  return note2;
            }
      else if (chord->isGraceAfter()) {
            // grace after
            // we will try to tie to note in next normal chord, below
            // meanwhile, set chord to parent chord so the endTick calculation will make sense
            chord = toChord(chord->parent());
            }
      else {
            // normal chord
            // try to tie to grace note after if present
            QVector<Chord*> gna = chord->graceNotesAfter();
            if (!gna.empty()) {
                  Chord* gc = gna[0];
                  note2 = gc->findNote(note->pitch());
                  if (note2)
                        return note2;
                  }
            }
      // at this point, chord is a regular chord, not a grace chord
      // and we are looking for a note in the *next* chord (grace or regular)

      // calculate end of current note duration
      // but err on the safe side in case there is roundoff in tick count
      int endTick = chord->tick() + chord->actualTicks() - 1;

      while ((seg = seg->next1(Segment::Type::ChordRest))) {
            // skip ahead to end of current note duration as calculated above
            // but just in case, stop if we find element in current track
            if (seg->tick() < endTick  && !seg->element(chord->track()))
                  continue;
            for (int track = strack; track < etrack; ++track) {
                  Element* e = seg->element(track);
                  if (e == 0 || !e->isChord())
                        continue;
                  Chord* c = toChord(e);
                  // if there are grace notes before, try to tie to first one
                  QVector<Chord*> gnb = c->graceNotesBefore();
                  if (!gnb.empty()) {
                        Chord* gc = gnb[0];
                        Note* gn2 = gc->findNote(note->pitch());
                        if (gn2)
                              return gn2;
                        }
                  int staffIdx = c->staffIdx() + c->staffMove();
                  if (staffIdx != chord->staffIdx() + chord->staffMove())  // cannot happen?
                        continue;
                  for (Note* n : c->notes()) {
                        if (n->pitch() == note->pitch()) {
                              if (note2 == 0 || c->track() == chord->track())
                                    note2 = n;
                              }
                        }
                  }
            if (note2)
                  break;
            }
      return note2;
      }

void Fingering::layout()
      {
      if (parent()) {
            Fraction tick = parent()->tick();
            const Staff* st = staff();
            if (st && st->isTabStaff(tick) && !st->staffType(tick)->showTabFingering()) {
                  setbbox(QRectF());
                  return;
                  }
            }

      TextBase::layout();
      rypos() = 0.0;    // handle placement below

      if (autoplace() && note()) {
            Note* n      = note();
            Chord* chord = n->chord();
            bool voices  = chord->measure()->hasVoices(chord->staffIdx());
            bool tight   = voices && chord->notes().size() == 1 && !chord->beam() && tid() != Tid::STRING_NUMBER;

            qreal headWidth = n->bboxRightPos();

            // update offset after drag
            qreal rebase = 0.0;
            if (offsetChanged() != OffsetChange::NONE)
                  rebase = rebaseOffset();

            // temporarily exclude self from chord shape
            setAutoplace(false);

            if (layoutType() == ElementType::CHORD) {
                  Stem* stem = chord->stem();
                  Segment* s = chord->segment();
                  Measure* m = s->measure();
                  qreal sp = spatium();
                  qreal md = minDistance().val() * sp;
                  SysStaff* ss = m->system()->staff(chord->vStaffIdx());
                  Staff* vStaff = chord->staff();     // TODO: use current height at tick

                  if (n->mirror())
                        rxpos() -= n->ipos().x();
                  rxpos() += headWidth * .5;
                  if (placeAbove()) {
                        if (tight) {
                              if (chord->stem())
                                    rxpos() -= 0.8 * sp;
                              rypos() -= 1.5 * sp;
                              }
                        else {
                              QRectF r = bbox().translated(m->pos() + s->pos() + chord->pos() + n->pos() + pos());
                              SkylineLine sk(false);
                              sk.add(r.x(), r.bottom(), r.width());
                              qreal d = sk.minDistance(ss->skyline().north());
                              qreal yd = 0.0;
                              if (d > 0.0 && isStyled(Pid::MIN_DISTANCE))
                                    yd -= d + height() * .25;
                              // force extra space above staff & chord (but not other fingerings)
                              qreal top;
                              if (chord->up() && chord->beam() && stem) {
                                    top = stem->y() + stem->bbox().top();
                                    }
                              else {
                                    Note* un = chord->upNote();
                                    top = qMin(0.0, un->y() + un->bbox().top());
                                    }
                              top -= md;
                              qreal diff = (bbox().bottom() + ipos().y() + yd + n->y()) - top;
                              if (diff > 0.0)
                                    yd -= diff;
                              if (offsetChanged() != OffsetChange::NONE) {
                                    // user moved element within the skyline
                                    // we may need to adjust minDistance, yd, and/or offset
                                    bool inStaff = placeAbove() ? r.bottom() + rebase > 0.0 : r.top() + rebase < staff()->height();
                                    rebaseMinDistance(md, yd, sp, rebase, inStaff);
                                    }
                              rypos() += yd;
                              }
                        }
                  else {
                        if (tight) {
                              if (chord->stem())
                                    rxpos() += 0.8 * sp;
                              rypos() += 1.5 * sp;
                              }
                        else {
                              QRectF r = bbox().translated(m->pos() + s->pos() + chord->pos() + n->pos() + pos());
                              SkylineLine sk(true);
                              sk.add(r.x(), r.top(), r.width());
                              qreal d = ss->skyline().south().minDistance(sk);
                              qreal yd = 0.0;
                              if (d > 0.0 && isStyled(Pid::MIN_DISTANCE))
                                    yd += d + height() * .25;
                              // force extra space below staff & chord (but not other fingerings)
                              qreal bottom;
                              if (!chord->up() && chord->beam() && stem) {
                                    bottom = stem->y() + stem->bbox().bottom();
                                    }
                              else {
                                    Note* dn = chord->downNote();
                                    bottom = qMax(vStaff->height(), dn->y() + dn->bbox().bottom());
//.........这里部分代码省略.........