pxmlw6n2f/Gazebo_Distributed_TCP/gazebo/gui/IncrementalPlot.hh

116 lines
3.6 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 _INCREMENTAL_PLOT_HH_
#define _INCREMENTAL_PLOT_HH_
#include <map>
#include <list>
#include <qwt/qwt_plot_magnifier.h>
#include <qwt/qwt_plot.h>
#include "gazebo/math/Vector2d.hh"
#include "gazebo/gui/qt.h"
#include "gazebo/util/system.hh"
class QwtPlotCurve;
class QwtPlotDirectPainter;
namespace gazebo
{
namespace gui
{
/// \brief A plotting widget that handles incremental addition of data.
class GZ_GUI_VISIBLE IncrementalPlot : public QwtPlot
{
Q_OBJECT
/// \brief Constructor
/// \param[in] _parent Pointer to a parent widget
public: IncrementalPlot(QWidget *_parent = NULL);
/// \brief Destructor
public: virtual ~IncrementalPlot();
/// \brief Give QT a size hint.
/// \return Default size of the plot.
public: virtual QSize sizeHint() const;
/// \brief Add a new point to a curve.
/// \param[in] _label Name of the curve to add a point to. A curve
/// will be added if it doesn't exist.
/// \param[in] _pt Point to add.
public slots: void Add(const QString &_label, const QPointF &_pt);
/// \brief Add new points to a curve.
/// \param[in] _label Name of the curve to add a point to. A curve
/// will be added if it doesn't exist.
/// \param[in] _pt Points to add.
public slots: void Add(const QString &_label,
const std::list<QPointF> &_pts);
/// \brief Clear a single curve from the plot.
/// \param[in] _label Name of the curve to remove.
public: void Clear(const QString &_label);
/// \brief Clear all points from the plot.
public: void Clear();
/// \brief Return true if the plot has the labled curve.
/// \param[in] _label Name of the curve to check for.
/// \return True if _label is currently plotted.
public: bool HasCurve(const QString &_label);
/// \brief Update all the curves in the plot
public: void Update();
/// \brief Used to accept drag enter events.
/// \param[in] _evt The drag event.
protected: void dragEnterEvent(QDragEnterEvent *_evt);
/// \brief Used to accept drop events.
/// \param[in] _evt The drop event.
protected: void dropEvent(QDropEvent *_evt);
/// \brief Adjust a curve to fit new data.
/// \param[in] _curve Curve to adjust
private: void AdjustCurve(QwtPlotCurve *_curve);
/// \brief Add a named curve.
/// \param[in] _label Name of the curve.
/// \return A pointer to the new curve.
private: QwtPlotCurve *AddCurve(const QString &_label);
/// \def DiagnosticTimerPtr
/// \brief A map of strings to qwt plot curves.
private: typedef std::map<QString, QwtPlotCurve *> CurveMap;
/// \brief The curve to draw.
private: CurveMap curves;
/// \brief Drawing utility
private: QwtPlotDirectPainter *directPainter;
/// \brief Pointer to the plot maginfier
private: QwtPlotMagnifier *magnifier;
};
}
}
#endif