C++ (Cpp) ViewportMouseEvent::control Beispiele

Beispiel #1

Datei: selection_tool.cpp Projekt: jkammerl/rviz

int SelectionTool::processMouseEvent( ViewportMouseEvent& event )
{
  SelectionManager* sel_manager = context_->getSelectionManager();

  int flags = 0;

  if( event.alt() )
  {
    moving_ = true;
    selecting_ = false;
  }
  else
  {
    moving_ = false;

    if( event.leftDown() )
    {
      selecting_ = true;

      sel_start_x_ = event.x;
      sel_start_y_ = event.y;
    }
  }

  if( selecting_ )
  {
    sel_manager->highlight( event.viewport, sel_start_x_, sel_start_y_, event.x, event.y );

    if( event.leftUp() )
    {
      SelectionManager::SelectType type = SelectionManager::Replace;

      M_Picked selection;

      if( event.shift() )
      {
        type = SelectionManager::Add;
      }
      else if( event.control() )
      {
        type = SelectionManager::Remove;
      }

      sel_manager->select( event.viewport, sel_start_x_, sel_start_y_, event.x, event.y, type );

      selecting_ = false;
    }

    flags |= Render;
  }
  else if( moving_ )
  {
    sel_manager->removeHighlight();

    flags = move_tool_->processMouseEvent( event );

    if( event.type == QEvent::MouseButtonRelease )
    {
      moving_ = false;
    }
  }
  else
  {
    sel_manager->highlight( event.viewport, event.x, event.y, event.x, event.y );
  }

  return flags;
}