C++ (Cpp) ChordRest::lastVerse示例

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();
      }

示例#2

显示文件

文件： editlyrics.cpp 项目： trig-ger/MuseScore

void ScoreView::lyricsUpDown(bool up, bool end)
      {
      Lyrics* lyrics   = toLyrics(editObject);
      int track        = lyrics->track();
      ChordRest* cr    = lyrics->chordRest();
      int verse        = lyrics->no();
      Element::Placement placement = lyrics->placement();

      if (placement == Element::Placement::ABOVE)
            up = !up;
      if (up) {
            if (verse == 0)
                  return;
            --verse;
            }
      else {
            ++verse;
            if (verse > cr->lastVerse(placement))
                  return;
            }

      endEdit();
      _score->startCmd();
      lyrics = cr->lyrics(verse, placement);
      if (!lyrics) {
            lyrics = new Lyrics(_score);
            lyrics->setTrack(track);
            lyrics->setParent(cr);
            lyrics->setNo(verse);
            lyrics->setPlacement(placement);
            _score->undoAddElement(lyrics);
            }

      _score->select(lyrics, SelectType::SINGLE, 0);
      startEdit(lyrics, Grip::NO_GRIP);
      mscore->changeState(mscoreState());
      adjustCanvasPosition(lyrics, false);
      if (end) {
            ((Lyrics*)editObject)->movePosition(QTextCursor::Start, QTextCursor::MoveAnchor);
            ((Lyrics*)editObject)->movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
            }
      else {
            ((Lyrics*)editObject)->movePosition(QTextCursor::End, QTextCursor::MoveAnchor);
            ((Lyrics*)editObject)->movePosition(QTextCursor::Start, QTextCursor::KeepAnchor);
            }

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