pxmlw6n2f/Gazebo_Distributed_TCP/gazebo/gui/building/ScaleWidget.hh

67 lines
1.8 KiB
C++

/*
* 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_SCALEWIDGET_HH_
#define _GAZEBO_GUI_BUILDING_SCALEWIDGET_HH_
#include <memory>
#include "gazebo/gui/qt.h"
#include "gazebo/util/system.hh"
namespace gazebo
{
namespace gui
{
// Forward declare private data.
class ScaleWidgetPrivate;
/// \addtogroup gazebo_gui
/// \{
/// \class ScaleWidget ScaleWidget.hh
/// \brief Widget that displays the scale (zoom level) of the editor
class GZ_GUI_VISIBLE ScaleWidget : public QWidget
{
Q_OBJECT
/// \brief Constructor
/// \param[in] _parent Parent QWidget.
public: ScaleWidget(QWidget *_parent = 0);
/// \brief Destructor
public: ~ScaleWidget();
/// \brief Qt paint event for drawing the scale widget.
/// \param[in] _event Qt paint event.
private: void paintEvent(QPaintEvent *_event);
/// \brief Callback received when the zoom level has changed.
/// \param[in] _zoomFactor New zoom factor.
private: void OnChangeZoom(const double _zoomFactor);
/// \internal
/// \brief Pointer to private data.
private: std::unique_ptr<ScaleWidgetPrivate> dataPtr;
};
/// \}
}
}
#endif