//+------------------------------------------------------------------+ //| Spread.mq5 | //| Copyright 2015, Serj_Che. | //| https://www.mql5.com/ru/users/serj_che | //+------------------------------------------------------------------+ #property copyright "Copyright 2015, Serj_Che." #property link "https://www.mql5.com/ru/users/serj_che" #property version "1.00" #property indicator_chart_window //---- indicator settings #property indicator_separate_window #property indicator_buffers 2 #property indicator_plots 1 #property indicator_type1 DRAW_COLOR_HISTOGRAM #property indicator_color1 DeepPink,RoyalBlue #property indicator_style1 STYLE_SOLID #property indicator_width1 2 #property indicator_minimum 0.0 //--- input data input int Count = 20; //--- indicator buffers double ExtSpreadBuffer[]; double ExtColorsBuffer[]; //--- global variable MqlTick tick; //+------------------------------------------------------------------+ void OnInit() { SetIndexBuffer(0,ExtSpreadBuffer,INDICATOR_DATA); SetIndexBuffer(1,ExtColorsBuffer,INDICATOR_COLOR_INDEX); IndicatorSetString(INDICATOR_SHORTNAME,"Spread("+IntegerToString(Count)+")"); IndicatorSetInteger(INDICATOR_DIGITS,0); IndicatorSetInteger(INDICATOR_LEVELS,1); IndicatorSetInteger(INDICATOR_LEVELSTYLE,STYLE_SOLID); IndicatorSetInteger(INDICATOR_LEVELWIDTH,2); IndicatorSetInteger(INDICATOR_LEVELCOLOR,LimeGreen); IndicatorSetDouble(INDICATOR_LEVELVALUE,0,0.1); } //+------------------------------------------------------------------+ void OnDeinit(const int reason) { ObjectDelete(0,"spread"); } //+------------------------------------------------------------------+ 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(rates_total<2) return(0); int start=prev_calculated-1; if(start<1) start=1; CalculateSpread(start,rates_total,spread); int minimum=ArrayMinimum(ExtSpreadBuffer,rates_total-Count,Count); IndicatorSetDouble(INDICATOR_LEVELVALUE,0,spread[minimum]); SymbolInfoTick(_Symbol,tick); if(ObjectFind(0,"spread")<0) { int sub_wnd=ChartWindowFind(); ObjectCreate(0,"spread",OBJ_LABEL,sub_wnd,0,0); ObjectSetInteger(0,"spread",OBJPROP_XDISTANCE,10); ObjectSetInteger(0,"spread",OBJPROP_YDISTANCE,5); ObjectSetInteger(0,"spread",OBJPROP_COLOR,clrRed); ObjectSetInteger(0,"spread",OBJPROP_FONTSIZE,12); ObjectSetString(0,"spread",OBJPROP_FONT,"Courier New"); ObjectSetInteger(0,"spread",OBJPROP_CORNER,CORNER_RIGHT_UPPER); ObjectSetInteger(0,"spread",OBJPROP_ANCHOR,ANCHOR_RIGHT_UPPER); ObjectSetInteger(0,"spread",OBJPROP_SELECTABLE,false); } ObjectSetString(0,"spread",OBJPROP_TEXT,StringFormat("Current Spread:%3i",(int)((tick.ask-tick.bid)/_Point),0)); return(rates_total); } //+------------------------------------------------------------------+ void CalculateSpread(const int nPosition, const int nRatesCount, const int &SrcBuffer[]) { ExtSpreadBuffer[0]=(double)SrcBuffer[0]; ExtColorsBuffer[0]=0.0; for(int i=nPosition;idPrevSpread) ExtColorsBuffer[i]=0.0; else ExtColorsBuffer[i]=1.0; } } //+------------------------------------------------------------------+