ScaleWidget.hh

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/*
 * Copyright (C) 2012-2016 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 _RULER_WIDGET_HH_
#define _RULER_WIDGET_HH_

#include <string>
#include <vector>
#include "gazebo/gui/qt.h"
#include "gazebo/common/Event.hh"
#include "gazebo/util/system.hh"

namespace gazebo
{
  namespace gui
  {

    class GZ_GUI_VISIBLE ScaleWidget : public QWidget
    {
      Q_OBJECT

      public: ScaleWidget(QWidget *_parent = 0);

      public: ~ScaleWidget();

      private: void paintEvent(QPaintEvent *_event);

      private: void OnChangeZoom(double _zoomFactor);

      private: std::string scaleText;

      private: std::vector<event::ConnectionPtr> connections;
    };
  }
}

#endif