| //+------------------------------------------------------------------+
|
| //| TrailingFixedPips.mqh |
|
| //| Copyright 2000-2025, MetaQuotes Ltd. |
|
| //| https://www.mql5.com |
|
| //+------------------------------------------------------------------+
|
| #include <Expert\ExpertTrailing.mqh>
|
| // wizard description start
|
| //+----------------------------------------------------------------------+
|
| //| Description of the class |
|
| //| Title=Trailing Stop based on fixed Stop Level |
|
| //| Type=Trailing |
|
| //| Name=FixedPips |
|
| //| Class=CTrailingFixedPips |
|
| //| Page= |
|
| //| Parameter=StopLevel,int,30,Stop Loss trailing level (in points) |
|
| //| Parameter=ProfitLevel,int,50,Take Profit trailing level (in points) |
|
| //+----------------------------------------------------------------------+
|
| // wizard description end
|
| //+------------------------------------------------------------------+
|
| //| Class CTrailingFixedPips. |
|
| //| Purpose: Class of trailing stops with fixed stop level in pips. |
|
| //| Derives from class CExpertTrailing. |
|
| //+------------------------------------------------------------------+
|
| class CTrailingFixedPips : public CExpertTrailing
|
| {
|
| protected:
|
| //--- input parameters
|
| int m_stop_level;
|
| int m_profit_level;
|
|
|
| public:
|
| CTrailingFixedPips(void);
|
| ~CTrailingFixedPips(void);
|
| //--- methods of initialization of protected data
|
| void StopLevel(int stop_level) { m_stop_level=stop_level; }
|
| void ProfitLevel(int profit_level) { m_profit_level=profit_level; }
|
| virtual bool ValidationSettings(void);
|
| //---
|
| virtual bool CheckTrailingStopLong(CPositionInfo *position,double &sl,double &tp);
|
| virtual bool CheckTrailingStopShort(CPositionInfo *position,double &sl,double &tp);
|
| };
|
| //+------------------------------------------------------------------+
|
| //| Constructor |
|
| //+------------------------------------------------------------------+
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| void CTrailingFixedPips::CTrailingFixedPips(void) : m_stop_level(30),
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| m_profit_level(50)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Destructor |
|
| //+------------------------------------------------------------------+
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| CTrailingFixedPips::~CTrailingFixedPips(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Validation settings protected data. |
|
| //+------------------------------------------------------------------+
|
| bool CTrailingFixedPips::ValidationSettings(void)
|
| {
|
| if(!CExpertTrailing::ValidationSettings())
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| return(false);
|
| //--- initial data checks
|
| if(m_profit_level!=0 && m_profit_level*(m_adjusted_point/m_symbol.Point())<m_symbol.StopsLevel())
|
| {
|
| printf(__FUNCTION__+": trailing Profit Level must be 0 or greater than %d",m_symbol.StopsLevel());
|
| return(false);
|
| }
|
| if(m_stop_level!=0 && m_stop_level*(m_adjusted_point/m_symbol.Point())<m_symbol.StopsLevel())
|
| {
|
| printf(__FUNCTION__+": trailing Stop Level must be 0 or greater than %d",m_symbol.StopsLevel());
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| return(false);
|
| }
|
| //--- ok
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Checking trailing stop and/or profit for long position. |
|
| //+------------------------------------------------------------------+
|
| bool CTrailingFixedPips::CheckTrailingStopLong(CPositionInfo *position,double &sl,double &tp)
|
| {
|
| //--- check
|
| if(position==NULL)
|
| return(false);
|
| if(m_stop_level==0)
|
| return(false);
|
| //---
|
| double delta;
|
| double pos_sl=position.StopLoss();
|
| double base =(pos_sl==0.0) ? position.PriceOpen() : pos_sl;
|
| double price =m_symbol.Bid();
|
| //---
|
| sl=EMPTY_VALUE;
|
| tp=EMPTY_VALUE;
|
| delta=m_stop_level*m_adjusted_point;
|
| if(price-base>delta)
|
| {
|
| sl=price-delta;
|
| if(m_profit_level!=0)
|
| tp=price+m_profit_level*m_adjusted_point;
|
| }
|
| //---
|
| return(sl!=EMPTY_VALUE);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Checking trailing stop and/or profit for short position. |
|
| //+------------------------------------------------------------------+
|
| bool CTrailingFixedPips::CheckTrailingStopShort(CPositionInfo *position,double &sl,double &tp)
|
| {
|
| //--- check
|
| if(position==NULL)
|
| return(false);
|
| if(m_stop_level==0)
|
| return(false);
|
| //---
|
| double delta;
|
| double pos_sl=position.StopLoss();
|
| double base =(pos_sl==0.0) ? position.PriceOpen() : pos_sl;
|
| double price =m_symbol.Ask();
|
| //---
|
| sl=EMPTY_VALUE;
|
| tp=EMPTY_VALUE;
|
| delta=m_stop_level*m_adjusted_point;
|
| if(base-price>delta)
|
| {
|
| sl=price+delta;
|
| if(m_profit_level!=0)
|
| tp=price-m_profit_level*m_adjusted_point;
|
| }
|
| //---
|
| return(sl!=EMPTY_VALUE);
|
| }
|
| //+------------------------------------------------------------------+
|
