//+------------------------------------------------------------------+
//|                                          Inside Bar historic.mq4 |
//|                                                                  |
//|                                                     EllisEdi     |
//|                                                                  |
//+------------------------------------------------------------------+
#property copyright "Public Domain"

#property indicator_chart_window
//#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 Red
#property indicator_color2 Blue
#property indicator_style1 STYLE_DASH
#property indicator_style2 STYLE_DASH
#property indicator_width1 3
#property indicator_width2 3

//---- input parameters
extern int SignalLength = 5;
extern bool ShowLabels = false;
extern int fontsize = 8;     
extern bool ShowComments = true;  
extern bool ShowTradingLabels = false;
  

//---- buffers
double IBHigh[];
double IBLow[];
string IBHighLabel="High Price";
string IBLowLabel="Low Price";

double LastHigh;
double LastLow;
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//---- TODO: add your code here

   ObjectDelete("IBHighLine");
   ObjectDelete("IBLowLine");
   if (ShowLabels)
   {
     ObjectDelete("IBHighLineLabel");
     ObjectDelete("IBLowLineLabel");
   }  
   Comment("");

//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   string short_name;

//---- indicator line
   SetIndexStyle(0,DRAW_LINE,indicator_style1,indicator_width1,indicator_color1);
   SetIndexStyle(1,DRAW_LINE,indicator_style2,indicator_width2,indicator_color2);
   SetIndexBuffer(0,IBHigh);
   SetIndexBuffer(1,IBLow);

//---- name for DataWindow and indicator subwindow label
   short_name="Inbound Bar Historic";
   IndicatorShortName(short_name);
   SetIndexLabel(0,"IB_High");
   SetIndexLabel(1,"IB_Low");
   
//----
   SetIndexDrawBegin(0,1);
//----
 

//----
   return(0);
  }

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()

{
  int    counted_bars=IndicatorCounted();
  int limit, i;
//---- indicator calculation
  if (counted_bars==0)
  {
    if (ShowLabels)
    {   //for price add +DoubleToStr(PBuffer[0],4) to label text
      ObjectCreate("IBHighLineLabel", OBJ_TEXT, 0, 0,0);
      ObjectSetText("IBHighLineLabel", "High ",fontsize,"Arial",Red);
      ObjectCreate("IBLowLineLabel", OBJ_TEXT, 0, 0, 0);
      ObjectSetText("IBLowLineLabel", "Low ",fontsize,"Arial",Blue);
     }
  }
  if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
//   if(counted_bars>0) counted_bars--;
  limit=(Bars-counted_bars)-1;



  for (i=limit; i>=0;i--)
  { 
    // Inside Bar has higher Low Price and lower High Price than previous bar and ib bar is not flat
    if ((Low[i] > Low[i+1]) && (High[i] < High [i+1]) &&((High[i]-Low[i])>0))
    {
      LastHigh = High[i];
      LastLow = Low[i];
      //draw line for SignalLength number of bars forward
      for (int j=0;j<=SignalLength;j++)
      {
       // check to make sure there is room on the chart to draw the line forward
        if ((i-j)>=0)
        {
          IBHigh[i-j] = LastHigh;
          IBLow[i-j] = LastLow;
        }// end make sure room for signal line to be drawn
      }// end draw signal line forward
    } // end if found Inside Bar
    if (ShowLabels)
    {
      ObjectMove("IBHighLineLabel", 0, Time[i],LastHigh);
      ObjectMove("IBLowLineLabel", 0, Time[i],LastLow);   
    }// end if show labels
  
  } //end for loop drawing signals

  // Comment for High Low info
  if (ShowComments)
  {
    Comment("Last IB High= ",LastHigh," Last IB Low= ",LastLow,"\nLast Inside Bar Size ",(LastHigh-LastLow));
  }// end show comments

//----
  return(0);
}
//+------------------------------------------------------------------+