companion/src/simulation/widgets/radiokeywidget.h

   1 /*
   2  * Copyright (C) OpenTX
   3  *
   4  * Based on code named
   5  *   th9x - http://code.google.com/p/th9x
   6  *   er9x - http://code.google.com/p/er9x
   7  *   gruvin9x - http://code.google.com/p/gruvin9x
   8  *
   9  * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  */
  20
  21 #ifndef RADIOKEYWIDGET_H
  22 #define RADIOKEYWIDGET_H
  23
  24 #include "radiouiaction.h"
  25 #include "radiowidget.h"
  26
  27 class RadioKeyWidget : public RadioWidget
  28 {
  29   Q_OBJECT
  30
  31   public:
  32
  33     explicit RadioKeyWidget(const QPolygon & polygon, const QString &image, RadioUiAction * action = NULL, QWidget * parent = NULL, Qt::WindowFlags f = Qt::WindowFlags()):
  34       RadioWidget(action, parent, f),
  35       polygon(polygon),
  36       imgFile(image)
  37     {
  38       m_type = RADIO_WIDGET_KEY;
  39       setValue(0);
  40       hide();  // we're a "virtual" button for now
  41       setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
  42     }
  43
  44     virtual void setAction(RadioUiAction * action)
  45     {
  46       if (m_action)
  47         disconnect(m_action, 0, this, 0);
  48       RadioWidget::setAction(action);
  49       if (m_action)
  50         connect(m_action, &RadioUiAction::toggled, this, &RadioKeyWidget::onActionToggled);
  51     }
  52
  53     virtual int getValue() const
  54     {
  55       return (m_action && m_action->isActive()) ? 1 : 0;
  56     }
  57
  58     void press() {
  59       if (m_action)
  60         m_action->trigger(true);
  61     }
  62
  63     void release() {
  64       if (m_action)
  65         m_action->trigger(false);
  66     }
  67
  68     void toggle(bool down)
  69     {
  70       if (down)
  71         press();
  72       else
  73         release();
  74     }
  75
  76     bool contains(const QPoint & point)
  77     {
  78       return polygon.containsPoint(point, Qt::OddEvenFill);
  79     }
  80
  81   signals:
  82
  83     void imageChanged(const QString image);
  84
  85   protected:
  86
  87     virtual void onActionToggled(int index, bool active)
  88     {
  89       RadioWidget::onActionToggled(index, active);
  90       emit imageChanged(active ? imgFile : "");
  91     }
  92
  93     QPolygon polygon;
  94     QString imgFile;
  95
  96 };
  97
  98 #endif // RADIOKEYWIDGET_H
  99
 100