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

   1 /**
   2  ******************************************************************************
   3  *
   4  * @file       mixercurvepoint.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 MIXERCURVEPOINT_H
  29 #define MIXERCURVEPOINT_H
  30
  31 #include <QGraphicsItem>
  32 #include <QColor>
  33 #include <QList>
  34 #include <QFont>
  35 #include "uavobjectwidgetutils_global.h"
  36
  37 class Edge;
  38 class MixerCurveWidget;
  39 QT_BEGIN_NAMESPACE
  40 class QGraphicsSceneMouseEvent;
  41 QT_END_NAMESPACE
  42
  43
  44 class UAVOBJECTWIDGETUTILS_EXPORT MixerNode : public QObject, public QGraphicsItem {
  45     Q_OBJECT
  46                                   Q_INTERFACES(QGraphicsItem)
  47 public:
  48     MixerNode(MixerCurveWidget *graphWidget, QGraphicsItem *graphItem);
  49     void addEdge(Edge *edge);
  50     QList<Edge *> edges() const;
  51
  52     enum { Type = UserType + 10 };
  53     int type() const
  54     {
  55         return Type;
  56     }
  57
  58     void verticalMove(bool flag);
  59
  60     void setPositiveColor(QColor color = "#609FF2")
  61     {
  62         m_positiveColor = color;
  63     }
  64
  65     void setNegativeColor(QColor color = "#EF5F5F")
  66     {
  67         m_negativeColor = color;
  68     }
  69
  70     void setAlpha(qreal alpha)
  71     {
  72         m_alpha = alpha;
  73     }
  74
  75     void setImage(QImage img)
  76     {
  77         m_image = img;
  78     }
  79
  80     void setDrawNode(bool draw)
  81     {
  82         m_drawNode = draw;
  83     }
  84
  85     void setDrawText(bool draw)
  86     {
  87         m_drawText = draw;
  88     }
  89
  90     QRectF boundingRect() const;
  91     QPainterPath shape() const;
  92     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
  93
  94     double value();
  95
  96 protected:
  97     QVariant itemChange(GraphicsItemChange change, const QVariant &val);
  98
  99     void mousePressEvent(QGraphicsSceneMouseEvent *event);
 100     void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
 101
 102 private:
 103     QList<Edge *> m_edgeList;
 104     QPointF m_newPos;
 105     MixerCurveWidget *m_graph;
 106     QGraphicsItem *m_graphItem;
 107
 108     qreal m_alpha;
 109     QColor m_positiveColor;
 110     QColor m_neutralColor;
 111     QColor m_negativeColor;
 112     QColor m_disabledColor;
 113     QColor m_disabledTextColor;
 114
 115     QImage m_image;
 116
 117     bool m_vertical;
 118     bool m_drawNode;
 119     bool m_drawText;
 120     int m_index;
 121 };
 122
 123 #endif // MIXERCURVEPOINT_H