K-TimeLeft

//+------------------------------------------------------------------+
//|                                                   K-TimeLeft.mq4 |
//|                                          Copyright 2014,fxMeter. |
//|                            https://www.mql5.com/en/users/fxmeter |
//+------------------------------------------------------------------+
//2023-06-15 make font size as an input  
//2017-11-13 publish to MQL5.COM code base
//2014-11-15 create
#property copyright "Copyright 2014,fxMeter."
#property link      "https://www.mql5.com/en/users/fxmeter"
#property version   "2.00"
#property strict
#property indicator_chart_window
#define  OBJ_NAME "time_left_label" 
#define  FONT_NAME "Microsoft YaHei"

enum ENUM_POS_TL
  {
   FOLLOW_PRICE,
   FIXED_POSITION
  };
input int    FontSize = 12 ;                    //Font Size
input color  LabelColor=clrOrangeRed;           //Label Color
input ENUM_POS_TL LabelPosition=FIXED_POSITION; //Label Position
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void DeleteLabel()
{
   int try=10;
   while(ObjectFind(0,OBJ_NAME)==0)
   {
      ObjectDelete(0,OBJ_NAME);
      if(try--<=0)break;
   }
}
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {
//--- indicator buffers mapping  
   EventSetTimer(1);
   DeleteLabel();
//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
   EventKillTimer();
   DeleteLabel();

  }
//+------------------------------------------------------------------+
//| 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[])
  {
//---

//--- return value of prev_calculated for next call
   return(rates_total);
  }
//+------------------------------------------------------------------+
//| Timer function                                                   |
//+------------------------------------------------------------------+
void OnTimer()
  {
//---
   UpdateTimeLeft();
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void UpdateTimeLeft()
  {

   int seconds=0;// the left seconds of the current bar
   int h = 0; //Hour
   int m = 0; //Minute
   int s = 0; //Second  hh:mm:ss   

   datetime time  = iTime(Symbol(),PERIOD_CURRENT,0);
   double   close = iClose(Symbol(),PERIOD_CURRENT,0);

   seconds=PeriodSeconds(PERIOD_CURRENT) -(int)(TimeCurrent()-time);

   h = seconds/3600;
   m = (seconds - h*3600)/60;
   s = (seconds - h*3600 - m*60);

   string text="                        >>> "
               +StringFormat("%02d",h)+":"
               +StringFormat("%02d",m)+":"
               +StringFormat("%02d",s);

   if(LabelPosition==FOLLOW_PRICE)
     {
      if(ObjectFind(0,OBJ_NAME)!=0)
        {
         ObjectCreate(0,OBJ_NAME,OBJ_TEXT,0,time,close+_Point);
         ObjectSetString(0,OBJ_NAME,OBJPROP_TEXT,text);
         ObjectSetString(0,OBJ_NAME,OBJPROP_FONT,FONT_NAME);
         ObjectSetInteger(0,OBJ_NAME,OBJPROP_COLOR,LabelColor);
         ObjectSetInteger(0,OBJ_NAME,OBJPROP_SELECTABLE,false);
         ObjectSetInteger(0,OBJ_NAME,OBJPROP_FONTSIZE,FontSize);

        }
      else
        {
         ObjectSetString(0,OBJ_NAME,OBJPROP_TEXT,text);
         ObjectMove(0,OBJ_NAME,0,time,close+_Point);
        }
     }
   else if(LabelPosition==FIXED_POSITION)
     {
      if(ObjectFind(0,OBJ_NAME)!=0)
        {
         ObjectCreate(0,OBJ_NAME,OBJ_LABEL,0,0,0);
         ObjectSetInteger(0,OBJ_NAME,OBJPROP_ANCHOR,ANCHOR_RIGHT_UPPER);
         ObjectSetInteger(0,OBJ_NAME,OBJPROP_CORNER,CORNER_RIGHT_UPPER);
         ObjectSetInteger(0,OBJ_NAME,OBJPROP_XDISTANCE,200);
         ObjectSetInteger(0,OBJ_NAME,OBJPROP_YDISTANCE,2);
         ObjectSetString(0,OBJ_NAME,OBJPROP_TEXT,text);
         ObjectSetString(0,OBJ_NAME,OBJPROP_FONT,FONT_NAME);
         ObjectSetInteger(0,OBJ_NAME,OBJPROP_COLOR,LabelColor);
         ObjectSetInteger(0,OBJ_NAME,OBJPROP_SELECTABLE,true);
         ObjectSetInteger(0,OBJ_NAME,OBJPROP_FONTSIZE,FontSize);
        }
      else
         ObjectSetString(0,OBJ_NAME,OBJPROP_TEXT,text);
     }
  }
//+------------------------------------------------------------------+