C++ Lyrics::setPropertyFlags方法代码示例

void ScoreView::lyricsReturn()
      {
      Lyrics* lyrics = toLyrics(editData.element);

      changeState(ViewState::NORMAL);

      _score->startCmd();
      int newVerse;
      newVerse = lyrics->no() + 1;

      Lyrics* oldLyrics = lyrics;
      lyrics = new Lyrics(_score);
      lyrics->setTrack(oldLyrics->track());
      lyrics->setParent(oldLyrics->segment()->element(oldLyrics->track()));
      lyrics->setPlacement(oldLyrics->placement());
      lyrics->setPropertyFlags(Pid::PLACEMENT, oldLyrics->propertyFlags(Pid::PLACEMENT));
      lyrics->setNo(newVerse);

      _score->undoAddElement(lyrics);
      _score->endCmd();

      _score->select(lyrics, SelectType::SINGLE, 0);
      startEdit(lyrics, Grip::NO_GRIP);

      adjustCanvasPosition(lyrics, false);
      }

void ScoreView::lyricsUpDown(bool up, bool end)
      {
      Lyrics* lyrics       = toLyrics(editData.element);
      int track            = lyrics->track();
      ChordRest* cr        = lyrics->chordRest();
      int verse            = lyrics->no();
      Placement placement  = lyrics->placement();
      PropertyFlags pFlags = lyrics->propertyFlags(Pid::PLACEMENT);

      if (up) {
            if (verse == 0)
                  return;
            --verse;
            }
      else {
            ++verse;
            if (verse > cr->lastVerse(placement))
                  return;
            }

      changeState(ViewState::NORMAL);
      lyrics = cr->lyrics(verse, placement);
      if (!lyrics) {
            lyrics = new Lyrics(_score);
            lyrics->setTrack(track);
            lyrics->setParent(cr);
            lyrics->setNo(verse);
            lyrics->setPlacement(placement);
            lyrics->setPropertyFlags(Pid::PLACEMENT, pFlags);
            _score->startCmd();
            _score->undoAddElement(lyrics);
            _score->endCmd();
            }

      _score->select(lyrics, SelectType::SINGLE, 0);
      startEdit(lyrics, Grip::NO_GRIP);
      mscore->changeState(mscoreState());
      adjustCanvasPosition(lyrics, false);

      lyrics = toLyrics(editData.element);
      TextCursor* cursor = lyrics->cursor(editData);
      if (end) {
            cursor->movePosition(QTextCursor::Start, QTextCursor::MoveAnchor);
            cursor->movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
            }
      else {
            cursor->movePosition(QTextCursor::End, QTextCursor::MoveAnchor);
            cursor->movePosition(QTextCursor::Start, QTextCursor::KeepAnchor);
            }

      _score->setLayoutAll();
      _score->update();
      }

void ScoreView::lyricsUnderscore()
      {
      Lyrics* lyrics   = toLyrics(editData.element);
      int track        = lyrics->track();
      Segment* segment = lyrics->segment();
      int verse        = lyrics->no();
      Placement placement = lyrics->placement();
      PropertyFlags pFlags = lyrics->propertyFlags(Pid::PLACEMENT);
      int endTick      = segment->tick(); // a previous melisma cannot extend beyond this point

      changeState(ViewState::NORMAL);

      // search next chord
      Segment* nextSegment = segment;
      while ((nextSegment = nextSegment->next1(SegmentType::ChordRest))) {
            Element* el = nextSegment->element(track);
            if (el &&  el->isChord())
                  break;
            }

      // look for the lyrics we are moving from; may be the current lyrics or a previous one
      // we are extending with several underscores
      Lyrics* fromLyrics = 0;
      while (segment) {
            ChordRest* cr = toChordRest(segment->element(track));
            if (cr) {
                  fromLyrics = cr->lyrics(verse, placement);
                  if (fromLyrics)
                        break;
                  }
            segment = segment->prev1(SegmentType::ChordRest);
            // if the segment has a rest in this track, stop going back
            Element* e = segment ? segment->element(track) : 0;
            if (e && !e->isChord())
                  break;
            }

      // one-chord melisma?
      // if still at melisma initial chord and there is a valid next chord (if not,
      // there will be no melisma anyway), set a temporary melisma duration
      if (fromLyrics == lyrics && nextSegment) {
            _score->startCmd();
            lyrics->undoChangeProperty(Pid::LYRIC_TICKS, Lyrics::TEMP_MELISMA_TICKS);
            _score->setLayoutAll();
            _score->endCmd();
            }

      if (nextSegment == 0) {
            _score->startCmd();
            if (fromLyrics) {
                  switch(fromLyrics->syllabic()) {
                        case Lyrics::Syllabic::SINGLE:
                        case Lyrics::Syllabic::END:
                              break;
                        default:
                              fromLyrics->undoChangeProperty(Pid::SYLLABIC, int(Lyrics::Syllabic::END));
                              break;
                        }
                  if (fromLyrics->segment()->tick() < endTick)
                        fromLyrics->undoChangeProperty(Pid::LYRIC_TICKS, endTick - fromLyrics->segment()->tick());
                  }
            // leave edit mode, select something (just for user feedback) and update to show extended melisam
            mscore->changeState(STATE_NORMAL);
            if (fromLyrics)
                  _score->select(fromLyrics, SelectType::SINGLE, 0);
            _score->setLayoutAll();
            _score->endCmd();
            return;
            }

      // if a place for a new lyrics has been found, create a lyrics there

      ChordRest* cr    = toChordRest(nextSegment->element(track));
      Lyrics* toLyrics = cr->lyrics(verse, placement);
      bool newLyrics   = (toLyrics == 0);
      if (!toLyrics) {
            toLyrics = new Lyrics(_score);
            toLyrics->setTrack(track);
            toLyrics->setParent(nextSegment->element(track));
            toLyrics->setNo(verse);
            toLyrics->setPlacement(placement);
            toLyrics->setPropertyFlags(Pid::PLACEMENT, pFlags);
            toLyrics->setSyllabic(Lyrics::Syllabic::SINGLE);
            }
      // as we arrived at toLyrics by an underscore, it cannot have syllabic dashes before
      else if (toLyrics->syllabic() == Lyrics::Syllabic::MIDDLE)
            toLyrics->undoChangeProperty(Pid::SYLLABIC, int(Lyrics::Syllabic::BEGIN));
      else if (toLyrics->syllabic() == Lyrics::Syllabic::END)
            toLyrics->undoChangeProperty(Pid::SYLLABIC, int(Lyrics::Syllabic::SINGLE));

      if (fromLyrics) {
            // as we moved away from fromLyrics by an underscore,
            // it can be isolated or terminal but cannot have dashes after
            switch(fromLyrics->syllabic()) {
                  case Lyrics::Syllabic::SINGLE:
                  case Lyrics::Syllabic::END:
                        break;
                  default:
                        fromLyrics->undoChangeProperty(Pid::SYLLABIC, int(Lyrics::Syllabic::END));
                        break;
//.........这里部分代码省略.........

void ScoreView::lyricsMinus()
      {
      Lyrics* lyrics   = toLyrics(editData.element);
      int track        = lyrics->track();
      Segment* segment = lyrics->segment();
      int verse        = lyrics->no();
      Placement placement = lyrics->placement();
      PropertyFlags pFlags = lyrics->propertyFlags(Pid::PLACEMENT);

      changeState(ViewState::NORMAL);

      // search next chord
      Segment* nextSegment = segment;
      while ((nextSegment = nextSegment->next1(SegmentType::ChordRest))) {
            Element* el = nextSegment->element(track);
            if (el &&  el->isChord())
                  break;
            }
      if (nextSegment == 0)
            return;

      // look for the lyrics we are moving from; may be the current lyrics or a previous one
      // we are extending with several dashes
      Lyrics* fromLyrics = 0;
      while (segment) {
            ChordRest* cr = toChordRest(segment->element(track));
            if (!cr) {
                  segment = segment->prev1(SegmentType::ChordRest);
                  continue;
                  }
            fromLyrics = cr->lyrics(verse, placement);
            if (fromLyrics)
                  break;
            segment = segment->prev1(SegmentType::ChordRest);
            }

      _score->startCmd();
      ChordRest* cr = toChordRest(nextSegment->element(track));
      Lyrics* toLyrics           = cr->lyrics(verse, placement);
      bool newLyrics = (toLyrics == 0);
      if (!toLyrics) {
            toLyrics = new Lyrics(_score);
            toLyrics->setTrack(track);
            toLyrics->setParent(nextSegment->element(track));
            toLyrics->setNo(verse);
            toLyrics->setPlacement(placement);
            toLyrics->setPropertyFlags(Pid::PLACEMENT, pFlags);
            toLyrics->setSyllabic(Lyrics::Syllabic::END);
            }
      else {
            // as we arrived at toLyrics by a dash, it cannot be initial or isolated
            if (toLyrics->syllabic() == Lyrics::Syllabic::BEGIN)
                  toLyrics->undoChangeProperty(Pid::SYLLABIC, int(Lyrics::Syllabic::MIDDLE));
            else if (toLyrics->syllabic() == Lyrics::Syllabic::SINGLE)
                  toLyrics->undoChangeProperty(Pid::SYLLABIC, int(Lyrics::Syllabic::END));
            }

      if (fromLyrics) {
            // as we moved away from fromLyrics by a dash,
            // it can have syll. dashes before and after but cannot be isolated or terminal
            switch(fromLyrics->syllabic()) {
                  case Lyrics::Syllabic::BEGIN:
                  case Lyrics::Syllabic::MIDDLE:
                        break;
                  case Lyrics::Syllabic::SINGLE:
                        fromLyrics->undoChangeProperty(Pid::SYLLABIC, int(Lyrics::Syllabic::BEGIN));
                        break;
                  case Lyrics::Syllabic::END:
                        fromLyrics->undoChangeProperty(Pid::SYLLABIC, int(Lyrics::Syllabic::MIDDLE));
                        break;
                  }
            // for the same reason, it cannot have a melisma
            fromLyrics->undoChangeProperty(Pid::LYRIC_TICKS, 0);
            }

      if (newLyrics)
            _score->undoAddElement(toLyrics);
      _score->endCmd();

      _score->select(toLyrics, SelectType::SINGLE, 0);
      startEdit(toLyrics, Grip::NO_GRIP);

      adjustCanvasPosition(toLyrics, false);
      TextCursor* cursor = Ms::toLyrics(editData.element)->cursor(editData);
      Ms::toLyrics(editData.element)->selectAll(cursor);
      _score->setLayoutAll();
      }