| //+------------------------------------------------------------------+
|
| //| ATR.mqh - Average True Range Indicator |
|
| //+------------------------------------------------------------------+
|
| #property copyright "2025, Windsurf Engineering"
|
| #property link "https://www.windsurf.ai"
|
| #property version "1.00"
|
| #property strict
|
|
|
| #include <Object.mqh>
|
| #include <Indicators\Indicator.mqh>
|
|
|
| //+------------------------------------------------------------------+
|
| //| Class CiATR. |
|
| //| Purpose: Class of the "Average True Range" indicator. |
|
| //| Derives from class CIndicator. |
|
| //+------------------------------------------------------------------+
|
| class CiATR : public CIndicator
|
| {
|
| protected:
|
| int m_ma_period;
|
|
|
| public:
|
| CiATR(void);
|
| ~CiATR(void);
|
| //--- methods of access to protected data
|
| int MaPeriod(void) const { return(m_ma_period); }
|
| //--- method of creation
|
| bool Create(const string symbol,const ENUM_TIMEFRAMES period,const int ma_period);
|
| //--- methods of access to indicator data
|
| double Main(const int index) const;
|
| //--- method of identifying
|
| virtual int Type(void) const { return(IND_ATR); }
|
|
|
| protected:
|
| //--- methods of tuning
|
| virtual bool Initialize(const string symbol,const ENUM_TIMEFRAMES period,const int num_params,const MqlParam ¶ms[]);
|
| bool Initialize(const string symbol,const ENUM_TIMEFRAMES period,const int ma_period);
|
| };
|
| //+------------------------------------------------------------------+
|
| //| Constructor |
|
| //+------------------------------------------------------------------+
|
| CiATR::CiATR(void) : m_ma_period(-1)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Destructor |
|
| //+------------------------------------------------------------------+
|
| CiATR::~CiATR(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Create the "Average True Range" indicator |
|
| //+------------------------------------------------------------------+
|
| bool CiATR::Create(const string symbol,const ENUM_TIMEFRAMES period,const int ma_period)
|
| {
|
| //--- check history
|
| if(!SetSymbolPeriod(symbol,period))
|
| return(false);
|
| //--- create
|
| m_handle=iATR(symbol,period,ma_period);
|
| //--- check result
|
| if(m_handle==INVALID_HANDLE)
|
| return(false);
|
| //--- indicator successfully created
|
| if(!Initialize(symbol,period,ma_period))
|
| {
|
| //--- initialization failed
|
| IndicatorRelease(m_handle);
|
| m_handle=INVALID_HANDLE;
|
| //--- failed
|
| return(false);
|
| }
|
| //--- ok
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Initialize the indicator with universal parameters |
|
| //+------------------------------------------------------------------+
|
| bool CiATR::Initialize(const string symbol,const ENUM_TIMEFRAMES period,const int num_params,const MqlParam ¶ms[])
|
| {
|
| return(Initialize(symbol,period,(int)params[0].integer_value));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Initialize the indicator with special parameters |
|
| //+------------------------------------------------------------------+
|
| bool CiATR::Initialize(const string symbol,const ENUM_TIMEFRAMES period,const int ma_period)
|
| {
|
| if(CreateBuffers(symbol,period,1))
|
| {
|
| //--- string of status of drawing
|
| m_name ="ATR";
|
| m_status = "("+symbol+","+EnumToString(period)+","+IntegerToString(ma_period)+") H:"+IntegerToString(m_handle);
|
| //--- save settings
|
| m_ma_period=ma_period;
|
| //--- create buffers
|
| // Buffer type is set automatically by the framework
|
| //--- ok
|
| return(true);
|
| }
|
| //--- error
|
| return(false);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Access to ATR buffer |
|
| //+------------------------------------------------------------------+
|
| double CiATR::Main(const int index) const
|
| {
|
| CIndicatorBuffer *buffer=At(0);
|
| //--- check
|
| if(buffer==NULL)
|
| return(EMPTY_VALUE);
|
| //---
|
| return(buffer.At(index));
|
| }
|
