Method handleKeyPress

YUViewLib/src/ui/views/MoveAndZoomableView.cpp:96–132

Handle the key press event (if this widgets handles it). If not, return false.

// Handle the key press event (if this widgets handles it). If not, return false.
bool MoveAndZoomableView::handleKeyPress(QKeyEvent *event)
{
  DEBUG_VIEW(QTime::currentTime().toString("hh:mm:ss.zzz") << "Key: " << event);

  int  key         = event->key();
  bool controlOnly = event->modifiers() == Qt::ControlModifier;

  if (key == Qt::Key_0 && controlOnly)
  {
    this->resetView(false);
    return true;
  }
  else if (key == Qt::Key_9 && controlOnly)
  {
    this->zoomToFitInternal();
    return true;
  }
  else if (key == Qt::Key_Plus && controlOnly)
  {
    this->zoom(ZoomMode::IN);
    return true;
  }
  else if (key == Qt::Key_BracketRight && controlOnly)
  {
    // This seems to be a bug in the Qt localization routine. On the German keyboard layout this key
    // is returned if Ctrl + is pressed.
    this->zoom(ZoomMode::IN);
    return true;
  }
  else if (key == Qt::Key_Minus && controlOnly)
  {
    this->zoom(ZoomMode::OUT);
    return true;
  }

  return false;
}

void MoveAndZoomableView::resetViewInternal()
{