Virtual Trailing Stop 2

ÿþ//+------------------------------------------------------------------+

//|                                      Virtual Trailing Stop 2.mq5 |

//|                              Copyright © 2020, Vladimir Karputov |

//|                     https://www.mql5.com/ru/market/product/43516 |

//+------------------------------------------------------------------+

#property copyright "Copyright © 2020, Vladimir Karputov"

#property link      "https://www.mql5.com/ru/market/product/43516"

#property version   "2.001"

/*

   barabashkakvn Trading engine 3.118

*/

#include <Trade\PositionInfo.mqh>

#include <Trade\Trade.mqh>

#include <Trade\SymbolInfo.mqh>

//---

CPositionInfo  m_position;                   // object of CPositionInfo class

CTrade         m_trade;                      // object of CTrade class

CSymbolInfo    m_symbol;                     // object of CSymbolInfo class

//--- input parameters

input uint              InpStopLoss          = 30;                // Stop Loss, in pips (1.00045-1.00055=1 pips)

input uint              InpTakeProfit        = 50;                // Take Profit, in pips (1.00045-1.00055=1 pips)

input uint              InpTrailingStop      = 5;                 // Trailing Stop (min distance from price to Stop Loss, in pips

input uint              InpTrailingStart     = 5;                 // Minimum profit to start trailing, in pips (1.00045-1.00055=1 pips)

input uint              InpTrailingStep      = 1;                 // Trailing Step, in pips (1.00045-1.00055=1 pips)

//--- HLine

input string            InpNameBuy           = "SL Buy";          // BUY Line name

input string            InpNameSell          = "SL Sell";         // SELL Line name

input ENUM_LINE_STYLE   InpStyle             = STYLE_DASHDOTDOT;  // Line style

//---

input ulong             InpDeviation         = 10;                // Deviation, in points (1.00045-1.00055=10 points)

//---

double         TrallB = 0;

double         TrallS = 0;



double   m_stop_loss                = 0.0;      // Stop Loss                        -> double

double   m_take_profit              = 0.0;      // Take Profit                      -> double

double   m_trailing_stop            = 0.0;      // Trailing Stop                    -> double

double   m_trailing_start           = 0.0;      // Minimum profit to start trailing -> double

double   m_trailing_step            = 0.0;      // Trailing Step                    -> double



double   m_adjusted_point;                      // point value adjusted for 3 or 5 points

//+------------------------------------------------------------------+

//| Expert initialization function                                   |

//+------------------------------------------------------------------+

int OnInit()

  {

   if(!m_symbol.Name(Symbol())) // sets symbol name

     {

      Print(__FILE__," ",__FUNCTION__,", ERROR: CSymbolInfo.Name");

      return(INIT_FAILED);

     }

   RefreshRates();

//---

   m_trade.SetMarginMode();

   m_trade.SetTypeFillingBySymbol(m_symbol.Name());

   m_trade.SetDeviationInPoints(InpDeviation);

//--- tuning for 3 or 5 digits

   int digits_adjust=1;

   if(m_symbol.Digits()==3 || m_symbol.Digits()==5)

      digits_adjust=10;

   m_adjusted_point=m_symbol.Point()*digits_adjust;



   m_stop_loss             = InpStopLoss              * m_adjusted_point;

   m_take_profit           = InpTakeProfit            * m_adjusted_point;

   m_trailing_stop         = InpTrailingStop          * m_adjusted_point;

   m_trailing_start        = InpTrailingStart         * m_adjusted_point;

   m_trailing_step         = InpTrailingStep          * m_adjusted_point;

//---

   if(!HLineCreate(0,InpNameBuy,0,0,clrBlue,InpStyle) || !HLineCreate(0,InpNameSell,0,0,clrRed,InpStyle))

      return(INIT_FAILED);

//---

   return(INIT_SUCCEEDED);

  }

//+------------------------------------------------------------------+

//| Expert deinitialization function                                 |

//+------------------------------------------------------------------+

void OnDeinit(const int reason)

  {

//---

   HLineDelete(0,InpNameBuy);

   HLineDelete(0,InpNameSell);

  }

//+------------------------------------------------------------------+

//| Expert tick function                                             |

//+------------------------------------------------------------------+

void OnTick()

  {

//---

   int b=0,s=0;

   ulong TicketB=0,TicketS=0;

   for(int i=PositionsTotal()-1; i>=0; i--)

      if(m_position.SelectByIndex(i)) // selects the position by index for further access to its properties

         if(m_position.Symbol()==m_symbol.Name())

           {

            if(!RefreshRates())

               return;

            if(m_position.PositionType()==POSITION_TYPE_BUY)

              {

               b++;

               if(InpStopLoss!=0 && m_symbol.Bid()<=m_position.PriceOpen()-m_stop_loss)

                 {

                  if(m_trade.PositionClose(m_position.Ticket()))

                     continue;

                 }

               if(InpTakeProfit!=0 && m_symbol.Bid()>=m_position.PriceOpen()+m_take_profit)

                 {

                  if(m_trade.PositionClose(m_position.Ticket()))

                     continue;

                 }

               TicketB=m_position.Ticket();

               if(InpTrailingStop>0)

                 {

                  double SL=m_symbol.Bid()-m_trailing_stop;

                  if(SL>=m_position.PriceOpen()+m_trailing_start && (TrallB==0 || TrallB+m_trailing_step<SL))

                     TrallB=SL;

                 }

              }

            if(m_position.PositionType()==POSITION_TYPE_SELL)

              {

               s++;

               if(InpStopLoss!=0 && m_symbol.Ask()>=m_position.PriceOpen()+m_stop_loss)

                 {

                  if(m_trade.PositionClose(m_position.Ticket()))

                     continue;

                 }

               if(InpTakeProfit!=0 && m_symbol.Ask()<=m_position.PriceOpen()-m_take_profit)

                 {

                  if(m_trade.PositionClose(m_position.Ticket()))

                     continue;

                 }

               TicketS=m_position.Ticket();

               if(InpTrailingStop>0)

                 {

                  double SL=m_symbol.Ask()+m_trailing_stop;

                  if(SL<=m_position.PriceOpen()-m_trailing_start && (TrallS==0 || TrallS-m_trailing_step>SL))

                     TrallS=SL;

                 }

              }

           }

//---

   if(b!=0)

     {

      if(b>1)

        {

         string err_text=(TerminalInfoString(TERMINAL_LANGUAGE)=="Russian")?

                         ""@59;8=3 :>@@5:B=> @01>B05B B>;L:> A >4=>9 ?>78F859!":

                         "Trailing correctly works with only one position!";

         Comment(err_text);

        }

      else

         if(TrallB!=0)

           {

            string text=(TerminalInfoString(TERMINAL_LANGUAGE)=="Russian")?

                        ""@59;8=3 ?>78F88 ":

                        "Trailing position ";

            Comment(text,TicketB);

            HLineMove(0,InpNameBuy,TrallB);

            if(m_symbol.Bid()<=TrallB)

              {

               if(m_position.SelectByTicket(TicketB))

                  if(m_position.Profit()>0.0)

                     if(!m_trade.PositionClose(TicketB))

                       {

                        string err_text=(TerminalInfoString(TERMINAL_LANGUAGE)=="Russian")?

                                        "H81:0 70:@KB8O ?>78F88. ":

                                        "Error closing position. ";

                        Comment(err_text," Result Retcode: ",m_trade.ResultRetcode(),

                                ", description of result: ",m_trade.ResultRetcodeDescription());

                       }

              }

           }

     }

   else

     {

      TrallB=0;

      HLineMove(0,InpNameBuy,0.1);

     }

//---

   if(s!=0)

     {

      if(s>1)

        {

         string err_text=(TerminalInfoString(TERMINAL_LANGUAGE)=="Russian")?

                         ""@59;8=3 :>@@5:B=> @01>B05B B>;L:> A >4=>9 ?>78F859!":

                         "Trailing correctly works with only one position!";

         Comment(err_text);

        }

      else

         if(TrallS!=0)

           {

            string text=(TerminalInfoString(TERMINAL_LANGUAGE)=="Russian")?

                        ""@59;8=3 ?>78F88 ":

                        "Trailing position ";

            Comment(text,TrallS);

            HLineMove(0,InpNameSell,TrallS);

            if(m_symbol.Ask()>=TrallS)

              {

               if(m_position.SelectByTicket(TicketS))

                  if(m_position.Profit()>0.0)

                     if(!m_trade.PositionClose(TicketS))

                       {

                        string err_text=(TerminalInfoString(TERMINAL_LANGUAGE)=="Russian")?

                                        "H81:0 70:@KB8O ?>78F88. ":

                                        "Error closing position. ";

                        Comment(err_text," Result Retcode: ",m_trade.ResultRetcode(),

                                ", description of result: ",m_trade.ResultRetcodeDescription());

                       }

              }

           }

     }

   else

     {

      TrallS=0;

      HLineMove(0,InpNameSell,0.1);

     }

//---

   /*

      MQL_PROFILER

      The flag, that indicates the program operating in the code profiling mode



      MQL_TESTER

      The flag, that indicates the tester process



      MQL_OPTIMIZATION

      The flag, that indicates the optimization process



      MQL_VISUAL_MODE

      The flag, that indicates the visual tester process

   */

//if((MQLInfoInteger(MQL_PROFILER) || MQLInfoInteger(MQL_TESTER) ||

//    MQLInfoInteger(MQL_OPTIMIZATION) || MQLInfoInteger(MQL_VISUAL_MODE)) && !IsPositionExists())

//  {

//   m_trade.Buy(m_symbol.LotsMin(),m_symbol.Name());

//   m_trade.Sell(m_symbol.LotsMin(),m_symbol.Name());

//  }

//---

  }

//+------------------------------------------------------------------+

//| TradeTransaction function                                        |

//+------------------------------------------------------------------+

void OnTradeTransaction(const MqlTradeTransaction &trans,

                        const MqlTradeRequest &request,

                        const MqlTradeResult &result)

  {

//---



  }

//+------------------------------------------------------------------+

//| Create the horizontal line                                       |

//+------------------------------------------------------------------+

bool HLineCreate(const long            chart_ID=0,        // chart's ID

                 const string          name="HLine",      // line name

                 const int             sub_window=0,      // subwindow index

                 double                price=0,           // line price

                 const color           clr=clrRed,        // line color

                 const ENUM_LINE_STYLE style=STYLE_SOLID, // line style

                 const int             width=1,           // line width

                 const bool            back=false,        // in the background

                 const bool            selection=false,   // highlight to move

                 const bool            hidden=true,       // hidden in the object list

                 const long            z_order=0)         // priority for mouse click

  {

//--- if the price is not set, set it at the current Bid price level

   if(!price)

      price=SymbolInfoDouble(Symbol(),SYMBOL_BID);

//--- reset the error value

   ResetLastError();

//--- create a horizontal line

   if(!ObjectCreate(chart_ID,name,OBJ_HLINE,sub_window,0,price))

     {

      Print(__FUNCTION__,

            ": failed to create a horizontal line! Error code = ",GetLastError());

      return(false);

     }

//--- set line color

   ObjectSetInteger(chart_ID,name,OBJPROP_COLOR,clr);

//--- set line display style

   ObjectSetInteger(chart_ID,name,OBJPROP_STYLE,style);

//--- set line width

   ObjectSetInteger(chart_ID,name,OBJPROP_WIDTH,width);

//--- display in the foreground (false) or background (true)

   ObjectSetInteger(chart_ID,name,OBJPROP_BACK,back);

//--- enable (true) or disable (false) the mode of moving the line by mouse

//--- when creating a graphical object using ObjectCreate function, the object cannot be

//--- highlighted and moved by default. Inside this method, selection parameter

//--- is true by default making it possible to highlight and move the object

   ObjectSetInteger(chart_ID,name,OBJPROP_SELECTABLE,selection);

   ObjectSetInteger(chart_ID,name,OBJPROP_SELECTED,selection);

//--- hide (true) or display (false) graphical object name in the object list

   ObjectSetInteger(chart_ID,name,OBJPROP_HIDDEN,hidden);

//--- set the priority for receiving the event of a mouse click in the chart

   ObjectSetInteger(chart_ID,name,OBJPROP_ZORDER,z_order);

//--- successful execution

   return(true);

  }

//+------------------------------------------------------------------+

//| Move horizontal line                                             |

//+------------------------------------------------------------------+

bool HLineMove(const long   chart_ID=0,   // chart's ID

               const string name="HLine", // line name

               double       price=0)      // line price

  {

//--- if the line price is not set, move it to the current Bid price level

   if(!price)

      price=SymbolInfoDouble(Symbol(),SYMBOL_BID);

//--- reset the error value

   ResetLastError();

//--- move a horizontal line

   if(!ObjectMove(chart_ID,name,0,0,price))

     {

      Print(__FUNCTION__,

            ": failed to move the horizontal line! Error code = ",GetLastError());

      return(false);

     }

//--- successful execution

   return(true);

  }

//+------------------------------------------------------------------+

//| Delete a horizontal line                                         |

//+------------------------------------------------------------------+

bool HLineDelete(const long   chart_ID=0,   // chart's ID

                 const string name="HLine") // line name

  {

//--- reset the error value

   ResetLastError();

//--- delete a horizontal line

   if(!ObjectDelete(chart_ID,name))

     {

      Print(__FUNCTION__,

            ": failed to delete a horizontal line! Error code = ",GetLastError());

      return(false);

     }

//--- successful execution

   return(true);

  }

//+------------------------------------------------------------------+

//| Refreshes the symbol quotes data                                 |

//+------------------------------------------------------------------+

bool RefreshRates(void)

  {

//--- refresh rates

   if(!m_symbol.RefreshRates())

     {

      Print("RefreshRates error");

      return(false);

     }

//--- protection against the return value of "zero"

   if(m_symbol.Ask()==0 || m_symbol.Bid()==0)

      return(false);

//---

   return(true);

  }

//+------------------------------------------------------------------+

//| Is position exists                                               |

//+------------------------------------------------------------------+

bool IsPositionExists(void)

  {

   for(int i=PositionsTotal()-1; i>=0; i--)

      if(m_position.SelectByIndex(i)) // selects the position by index for further access to its properties

         if(m_position.Symbol()==m_symbol.Name())

            return(true);

//---

   return(false);

  }

//+------------------------------------------------------------------+