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/*=====================================================================
QGroundControl Open Source Ground Control Station
(c) 2009, 2014 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
This file is part of the QGROUNDCONTROL project
QGROUNDCONTROL is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
QGROUNDCONTROL is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
======================================================================*/
/// @file
/// @author Don Gagne <don@thegagnes.com>
#ifndef RCChannelWidget_H
#define RCChannelWidget_H
#include <QGroupBox>
/// @brief RC Channel Widget - UI Widget based on QGroupBox which displays the current calibration settings
/// for an RC channel.
class RCChannelWidget : public QGroupBox
{
Q_OBJECT
public:
explicit RCChannelWidget(QWidget *parent = 0);
/// @brief Set the current RC value to display
void setValue(int value);
/// @brief Set the current RC Value, Minimum RC Value and Maximum RC Value
void setValueAndMinMax(int val, int min, int max);
void setMinMax(int min, int max);
/// @brief Set whether the Min range value is valid or not.
void setMinValid(bool valid);
/// @brief Set whether the Max range value is valid or not.
void setMaxValid(bool valid);
/// @brief Sets the Trim value for the channel
void setTrim(int value);
int value(void) { return _value; } ///< Returns the current RC Value set in the control
int min(void) { return _min; } ///< Returns the min value set in the control
int max(void) { return _max; } ///< Returns the max values set in the control
int trim(void) { return _trim; } ///< Returns the trim value set in the control
void showMinMax(bool show);
bool isMinMaxShown() { return _showMinMax; }
bool isMinValid(void) { return _minValid; }
bool isMaxValid(void) { return _maxValid; }
void showTrim(bool show);
bool isTrimShown() { return _showTrim; }
protected:
virtual void paintEvent(QPaintEvent *event);
private:
void _drawValuePointer(QPainter* painter, int xTip, int yTip, int height, bool rightSideUp);
int _value; ///< Current RC value
int _min; ///< Min RC value
int _max; ///< Max RC value
int _trim; ///< RC Value for Trim position
bool _minValid; ///< true: minimum value is valid
bool _maxValid; ///< true: maximum value is valid
bool _showMinMax; ///< true: show min max values on display
bool _showTrim; ///< true: show trim value on display
static const int _centerValue = 1500; ///< RC Value which is at center
static const int _maxDeltaRange = 700; ///< Delta around center value which is the max range for widget
static const int _minRange = _centerValue - _maxDeltaRange; ///< Smallest value widget can display
static const int _maxRange = _centerValue + _maxDeltaRange; ///< Largest value widget can display
};
#endif