i-HideHistBar

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

//|                                                i-HideHistBar.mq5 |

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

#property link "https://www.mql5.com/ru/users/mvs/seller"

#property copyright "MVS © 2020"

#property version "1.1"

#property indicator_buffers 5

#property indicator_plots   1

#property indicator_type1   DRAW_COLOR_CANDLES

#property indicator_width1  3

#property indicator_label1  "Open;High;Low;Close"

#property indicator_chart_window



input int  ShowBar = 5; // Count of Show Bars

input int  Indent = 3;  // Indent Percent Min/Max

// Buffers

double _open[],_high[],_low[],_close[],_color[];



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

//| Expert initialization function                                   |

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

int OnInit()

  {

   SetIndexBuffer(0,_open,INDICATOR_DATA);

   ArraySetAsSeries(_open,true);

   SetIndexBuffer(1,_high,INDICATOR_DATA);

   ArraySetAsSeries(_high,true);

   SetIndexBuffer(2,_low,INDICATOR_DATA);

   ArraySetAsSeries(_low,true);

   SetIndexBuffer(3,_close,INDICATOR_DATA);

   ArraySetAsSeries(_close,true);

   SetIndexBuffer(4,_color,INDICATOR_COLOR_INDEX);

   ArraySetAsSeries(_color,true);

//

   color ClChart=(color)ChartGetInteger(0,CHART_COLOR_BACKGROUND,0);

   PlotIndexSetInteger(0,PLOT_COLOR_INDEXES,1);

   PlotIndexSetInteger(0,PLOT_LINE_COLOR,0,ClChart);

//

   ChartSetInteger(0,CHART_SCALEFIX,1);

//

   return(INIT_SUCCEEDED);

  }

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

//| Expert deinitialization function                                 |

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

void OnDeinit(const int reason)

  {

   ChartSetInteger(0,CHART_SCALEFIX,0);

  }

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

//|                                                                  |

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

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[])

  {

   double hi=0, lo=DBL_MAX, pr=0;



   int limit=rates_total-prev_calculated;



   if(limit==0 || limit==1)

      limit=ShowBar+1;



   if(prev_calculated==0)

     {

      ArrayInitialize(_open,EMPTY_VALUE);

      ArrayInitialize(_high,EMPTY_VALUE);

      ArrayInitialize(_low,EMPTY_VALUE);

      ArrayInitialize(_close,EMPTY_VALUE);

      ArrayInitialize(_color,EMPTY_VALUE);

     }



   ArraySetAsSeries(open,true);

   ArraySetAsSeries(high,true);

   ArraySetAsSeries(low,true);

   ArraySetAsSeries(close,true);



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

     {

      if(i>=ShowBar)

        {

         _open[i]=open[i];

         _high[i]=high[i];

         _low[i]=low[i];

         _close[i]=close[i];

         _color[i]=0;

        }

      else

        {

         if(lo>low[i])

            lo=low[i];



         if(hi<high[i])

            hi=high[i];

        }

     }



// Indent Percent

   pr=(hi-lo)*Indent/100;

   ChartSetDouble(0,CHART_FIXED_MIN,lo-pr);

   ChartSetDouble(0,CHART_FIXED_MAX,hi+pr);



   return(rates_total);

  }

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

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