pxmlw6n2f/Gazebo_Distributed_MPI/gazebo/gui/model/GraphView.hh

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3.1 KiB
C++

/*
* 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_GRAPH_VIEW_HH_
#define _GAZEBO_GRAPH_VIEW_HH_
#include "gazebo/gui/qt.h"
namespace gazebo
{
namespace gui
{
/// \class GraphView GraphView.hh
/// \brief A view for the graph scene
class GraphView : public QGraphicsView
{
Q_OBJECT
/// \brief Constructor
/// \param[in] _parent Parent Widget.
public: GraphView(QWidget *_parent = 0);
/// \brief Destructor
public: virtual ~GraphView() = default;
/// \brief Qt resize event received when the parent widget changes size.
/// \param[in] _event Qt resize event
private: void resizeEvent(QResizeEvent *_event);
/// \brief Qt event received when the editor view is being scrolled.
/// \param[in] _dx Change in X position of the scrollbar.
/// \param[in] _dx Change in Y position of the scrollbar.
private: void scrollContentsBy(int _dx, int _dy);
/// \brief Qt context menu received on a mouse right click.
/// \param[in] _event Qt context menu event.
private: void contextMenuEvent(QContextMenuEvent *_event);
/// \brief Qt wheel event received when the mouse wheel is being scrolled.
/// \param[in] _event Qt wheel event.
private: void wheelEvent(QWheelEvent *_event);
/// \brief Qt mouse move event.
/// \param[in] _event Qt mouse event.
private: void mouseMoveEvent(QMouseEvent *_event);
/// \brief Qt mouse press event.
/// \param[in] _event Qt mouse event.
private: void mousePressEvent(QMouseEvent *_event);
/// \brief Qt mouse release event.
/// \param[in] _event Qt mouse event.
private: void mouseReleaseEvent(QMouseEvent *_event);
/// \brief Qt mouse double click event.
/// \param[in] _event Qt mouse event.
private: void mouseDoubleClickEvent(QMouseEvent *_event);
/// \brief Qt key press event.
/// \param[in] _event Qt key event.
private: void keyPressEvent(QKeyEvent *_event);
/// \brief Qt signal emitted when a context menu event is triggered.
/// \param[in] _id Unique id of an item.
Q_SIGNALS: void customContextMenuRequested(QString _id);
/// \brief Qt signal emitted when an item is double clicked.
/// \param[in] _id Unique id of an item.
Q_SIGNALS: void itemDoubleClicked(QString _id);
/// \brief Store which item was clicked last.
public: QGraphicsItem *lastClickedItem = nullptr;
/// \brief Scale (zoom level) of the editor view.
private: double viewScale;
};
}
}
#endif