Method keyPressEvent

src/openms_gui/source/VISUAL/TOPPASWidget.cpp:108–156

  }

  void TOPPASWidget::keyPressEvent(QKeyEvent * e)
  {
    if (e->key() == Qt::Key_C && e->modifiers() == Qt::ControlModifier)
    {
      scene_->copySelected();
      e->accept();
    }
    else if (e->key() == Qt::Key_X && e->modifiers() == Qt::ControlModifier)
    {
      scene_->copySelected();
      scene_->removeSelected();
      e->accept();
    }
    else if (e->key() == Qt::Key_V && e->modifiers() == Qt::ControlModifier)
    {
      scene_->paste();
      e->accept();
    }
    else if (e->key() == Qt::Key_Control)
    {
      setDragMode(QGraphicsView::RubberBandDrag);
      //color of hovering edge may change
      TOPPASEdge* hover_edge = scene_->getHoveringEdge();
      if (hover_edge)
      {
        hover_edge->update();
      }
      e->accept();
    }
    else if (e->key() == Qt::Key_Delete || e->key() == Qt::Key_Backspace)
    {
      scene_->removeSelected();
      e->accept();
    }
    else if (e->key() == Qt::Key_Plus)
    {
      zoom(false);
      e->accept();
    }
    else if (e->key() == Qt::Key_Minus)
    {
      zoom(true);
      e->accept();
    }
    else
    {
      e->ignore();
    }
  }

  void TOPPASWidget::keyReleaseEvent(QKeyEvent * e)
  {