RotateHandle.hh

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/*
 * Copyright (C) 2012 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_BUILDING_ROTATEHANDLE_HH_
#define GAZEBO_GUI_BUILDING_ROTATEHANDLE_HH_

#include <memory>

#include "gazebo/gui/qt.h"
#include "gazebo/util/system.hh"

namespace gazebo
{
  namespace gui
  {
    // Forward declare private data.
    class RotateHandlePrivate;


    class GZ_GUI_VISIBLE RotateHandle : public QGraphicsItem
    {
      public: explicit RotateHandle(QGraphicsItem *_parent = 0);

      public: ~RotateHandle();

      public: void SetMouseState(const int _state);

      public: int MouseState() const;

      public: double MouseDownX() const;

      public: double MouseDownY() const;

      public: void SetMouseDownX(const double _x);

      public: void SetMouseDownY(const double _y);

      protected: void hoverEnterEvent(QGraphicsSceneHoverEvent *_event);

      protected: void hoverLeaveEvent(QGraphicsSceneHoverEvent *_event);

      protected: void mouseMoveEvent(QGraphicsSceneMouseEvent *_event);

      protected: void mousePressEvent(QGraphicsSceneMouseEvent *_event);

      protected: void mouseReleaseEvent(QGraphicsSceneMouseEvent *_event);

      public: virtual QRectF boundingRect() const;

      private: void paint(QPainter *_painter,
          const QStyleOptionGraphicsItem *_option, QWidget *_widget);

      private: std::unique_ptr<RotateHandlePrivate> dataPtr;
    };
  }
}

#endif