Three Candles Other TimeFrame

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

//|                                Three Candles Other TimeFrame.mq5 |

//|                              Copyright © 2022, Vladimir Karputov |

//|                      https://www.mql5.com/en/users/barabashkakvn |

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

#property copyright "Copyright © 2022, Vladimir Karputov"

#property link      "https://www.mql5.com/en/users/barabashkakvn"

#property version   "1.000"

#property indicator_chart_window

#property indicator_buffers 0

#property indicator_plots   0

//--- plot Label1

#property indicator_label1  "Label1"

#property indicator_type1   DRAW_LINE

#property indicator_color1  clrRed

#property indicator_style1  STYLE_SOLID

#property indicator_width1  1

//--- input parameters

input    ENUM_TIMEFRAMES   Inp_period_other  = PERIOD_M5;   // Other timeframe

//---

datetime m_prev_bars    = 0;        // "0" -> D'1970.01.01 00:00';

string   m_prefix       = "TCOTF ";

bool     m_init_error   = false;    // error on InInit

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

//| Custom indicator initialization function                         |

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

int OnInit()

  {

//---

   if(Inp_period_other==PERIOD_CURRENT || Inp_period_other<Period())

     {

      string err_text="'Other timeframe' cannot be less or equal ('<=') of the current timeframe!";

      if(MQLInfoInteger(MQL_TESTER)) // when testing, we will only output to the log about incorrect input parameters

         Print(__FILE__," ",__FUNCTION__,", ERROR: ",err_text);

      else // if the Expert Advisor is run on the chart, tell the user about the error

         Alert(__FILE__," ",__FUNCTION__,", ERROR: ",err_text);

      //---

      m_init_error=true;

      return(INIT_SUCCEEDED);

     }

   long chart_id=ChartID();

   RectangleCreate(chart_id,m_prefix+"#0");

   RectangleCreate(chart_id,m_prefix+"#1");

   RectangleCreate(chart_id,m_prefix+"#2");

//---

   return(INIT_SUCCEEDED);

  }

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

//| Indicator deinitialization function                              |

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

void OnDeinit(const int reason)

  {

//---

   ObjectsDeleteAll(ChartID(),m_prefix,0,OBJ_RECTANGLE);

  }

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

//| Custom indicator iteration function                              |

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

int OnCalculate(const int rates_total,

                const int prev_calculated,

                const datetime &time[],

                const double &open[],

                const double &high[],

                const double &low[],

                const double &close[],

                const long &tick_volume[],

                const long &volume[],

                const int &spread[])

  {

   if(m_init_error)

      return(0);

//---

   MqlRates rates[];

   ArraySetAsSeries(rates,true);

   int start_pos=0,count=3;

   if(CopyRates(Symbol(),Inp_period_other,start_pos,count,rates)!=count)

      return(0);

//--- main loop

   long chart_id=ChartID();

   datetime time_0=time[rates_total-1];

   if(time_0==m_prev_bars)

     {

      //--- move candle #0

      RectanglePointChange(chart_id,m_prefix+"#0",0,rates[0].time,rates[0].high);

      RectanglePointChange(chart_id,m_prefix+"#0",1,time[rates_total-1],rates[0].low);

      //---

      return(rates_total);

     }

   m_prev_bars=time_0;

//--- move candle #0, #1 and #2

   RectanglePointChange(chart_id,m_prefix+"#0",0,rates[0].time,rates[0].high);

   RectanglePointChange(chart_id,m_prefix+"#0",1,time[rates_total-1],rates[0].low);

   

   RectanglePointChange(chart_id,m_prefix+"#1",0,rates[1].time,rates[1].high);

   RectanglePointChange(chart_id,m_prefix+"#1",1,rates[0].time-PeriodSeconds(),rates[1].low);

   

   RectanglePointChange(chart_id,m_prefix+"#2",0,rates[2].time,rates[2].high);

   RectanglePointChange(chart_id,m_prefix+"#2",1,rates[1].time-PeriodSeconds(),rates[2].low);

//--- return value of prev_calculated for next call

   return(rates_total);

  }

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

//| Create rectangle by the given coordinates                        |

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

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

                     const string          name="Rectangle",  // rectangle name

                     const int             sub_window=0,      // subwindow index

                     datetime              time1=0,           // first point time

                     double                price1=0,          // first point price

                     datetime              time2=0,           // second point time

                     double                price2=0,          // second point price

                     const color           clr=clrRed,        // rectangle color

                     const ENUM_LINE_STYLE style=STYLE_SOLID, // style of rectangle lines

                     const int             width=1,           // width of rectangle lines

                     const bool            fill=false,        // filling rectangle with color

                     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

  {

//--- set anchor points' coordinates if they are not set

   ChangeRectangleEmptyPoints(time1,price1,time2,price2);

//--- reset the error value

   ResetLastError();

//--- create a rectangle by the given coordinates

   if(!ObjectCreate(chart_ID,name,OBJ_RECTANGLE,sub_window,time1,price1,time2,price2))

     {

      Print(__FUNCTION__,

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

      return(false);

     }

//--- set rectangle color

   ObjectSetInteger(chart_ID,name,OBJPROP_COLOR,clr);

//--- set the style of rectangle lines

   ObjectSetInteger(chart_ID,name,OBJPROP_STYLE,style);

//--- set width of the rectangle lines

   ObjectSetInteger(chart_ID,name,OBJPROP_WIDTH,width);

//--- enable (true) or disable (false) the mode of filling the rectangle

   ObjectSetInteger(chart_ID,name,OBJPROP_FILL,fill);

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

   ObjectSetInteger(chart_ID,name,OBJPROP_BACK,back);

//--- enable (true) or disable (false) the mode of highlighting the rectangle for moving

//--- 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,true);

   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 the rectangle anchor point                                  |

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

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

                          const string name="Rectangle", // rectangle name

                          const int    point_index=0,    // anchor point index

                          datetime     time=0,           // anchor point time coordinate

                          double       price=0)          // anchor point price coordinate

  {

//--- if point position is not set, move it to the current bar having Bid price

   if(!time)

      time=TimeCurrent();

   if(!price)

      price=SymbolInfoDouble(Symbol(),SYMBOL_BID);

//--- reset the error value

   ResetLastError();

//--- move the anchor point

   if(!ObjectMove(chart_ID,name,point_index,time,price))

     {

      Print(__FUNCTION__,

            ": failed to move the anchor point! Error code = ",GetLastError());

      return(false);

     }

//--- successful execution

   return(true);

  }



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

//| Check the values of rectangle's anchor points and set default    |

//| values for empty ones                                            |

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

void ChangeRectangleEmptyPoints(datetime &time1,double &price1,

                                datetime &time2,double &price2)

  {

//--- if the first point's time is not set, it will be on the current bar

   if(!time1)

      time1=TimeCurrent();

//--- if the first point's price is not set, it will have Bid value

   if(!price1)

      price1=SymbolInfoDouble(Symbol(),SYMBOL_BID);

//--- if the second point's time is not set, it is located 9 bars left from the second one

   if(!time2)

     {

      //--- array for receiving the open time of the last 10 bars

      datetime temp[10];

      CopyTime(Symbol(),Period(),time1,10,temp);

      //--- set the second point 9 bars left from the first one

      time2=temp[0];

     }

//--- if the second point's price is not set, move it 300 points lower than the first one

   if(!price2)

      price2=price1-300*SymbolInfoDouble(Symbol(),SYMBOL_POINT);

  }

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