GraphView.hh

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/*
 * Copyright (C) 2015 Open Source Robotics Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/
#ifndef GAZEBO_GUI_MODEL_GRAPHVIEW_HH_
#define GAZEBO_GUI_MODEL_GRAPHVIEW_HH_

#include "gazebo/gui/qt.h"

namespace gazebo
{
  namespace gui
  {
    class GraphView : public QGraphicsView
    {
      Q_OBJECT

      public: explicit GraphView(QWidget *_parent = 0);

      public: virtual ~GraphView() = default;

      private: void resizeEvent(QResizeEvent *_event);

      private: void scrollContentsBy(int _dx, int _dy);

      private: void contextMenuEvent(QContextMenuEvent *_event);

      private: void wheelEvent(QWheelEvent *_event);

      private: void mouseMoveEvent(QMouseEvent *_event);

      private: void mousePressEvent(QMouseEvent *_event);

      private: void mouseReleaseEvent(QMouseEvent *_event);

      private: void mouseDoubleClickEvent(QMouseEvent *_event);

      private: void keyPressEvent(QKeyEvent *_event);

      Q_SIGNALS: void customContextMenuRequested(QString _id);

      Q_SIGNALS: void itemDoubleClicked(QString _id);

      public: QGraphicsItem *lastClickedItem = nullptr;

      private: double viewScale;
    };
  }
}

#endif