ground/openpilotgcs/src/plugins/uavobjectwidgetutils/mixercurvewidget.h

   1 /**
   2  ******************************************************************************
   3  *
   4  * @file       mixercurvewidget.h
   5  * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
   6  * @addtogroup GCSPlugins GCS Plugins
   7  * @{
   8  * @addtogroup UAVObjectWidgetUtils Plugin
   9  * @{
  10  * @brief Utility plugin for UAVObject to Widget relation management
  11  *****************************************************************************/
  12 /*
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 3 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful, but
  19  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  20  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  21  * for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License along
  24  * with this program; if not, write to the Free Software Foundation, Inc.,
  25  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  26  */
  27
  28 #ifndef MIXERCURVEWIDGET_H_
  29 #define MIXERCURVEWIDGET_H_
  30
  31 #include <QObject>
  32 #include <QGraphicsView>
  33 #include <QtSvg/QSvgRenderer>
  34 #include <QtSvg/QGraphicsSvgItem>
  35 #include <QtCore/QPointer>
  36 #include "mixercurvepoint.h"
  37 #include "mixercurveline.h"
  38 #include "uavobjectwidgetutils_global.h"
  39
  40 class UAVOBJECTWIDGETUTILS_EXPORT MixerCurveWidget : public QGraphicsView {
  41     Q_OBJECT
  42
  43 public:
  44     static const int NODE_NUMELEM = 5;
  45
  46     MixerCurveWidget(QWidget *parent = 0);
  47     ~MixerCurveWidget();
  48
  49     friend class MixerCurve;
  50
  51     void itemMoved(double itemValue); // Callback when a point is moved, to be updated
  52     void initCurve(const QList<double> *points);
  53     QList<double> getCurve();
  54     void initLinearCurve(int numPoints, double maxValue = 1, double minValue = 0);
  55     void setCurve(const QList<double> *points);
  56     void setMin(double value);
  57     double getMin();
  58     void setMax(double value);
  59     double getMax();
  60     double setRange(double min, double max);
  61
  62 public slots:
  63     void setXAxisLabel(QString label);
  64     void setYAxisLabel(QString label);
  65
  66 signals:
  67     void curveUpdated();
  68     void curveMinChanged(double value);
  69     void curveMaxChanged(double value);
  70
  71 protected:
  72     void showEvent(QShowEvent *event);
  73     void resizeEvent(QResizeEvent *event);
  74     void changeEvent(QEvent *event);
  75
  76 private slots:
  77     void positionAxisLabels();
  78
  79 private:
  80     QGraphicsSvgItem *m_plot;
  81     QGraphicsTextItem *m_xAxisTextItem;
  82     QGraphicsTextItem *m_yAxisTextItem;
  83
  84     QList<Edge *> m_edgeList;
  85     QList<MixerNode *> m_nodeList;
  86
  87     QString m_xAxisString;
  88     QString m_yAxisString;
  89
  90     double m_curveMin;
  91     double m_curveMax;
  92     bool m_curveUpdating;
  93
  94     void initNodes(int numPoints);
  95     void setupXAxisLabel();
  96     void setupYAxisLabel();
  97     void setPositiveColor(QString color);
  98     void setNegativeColor(QString color);
  99
 100     void  resizeCommands();
 101 };
 102 #endif /* MIXERCURVEWIDGET_H_ */