//+------------------------------------------------------------------+ //| Renko nmc.mq4 | //+------------------------------------------------------------------+ //modified 10 aug 2020 // - request for show/hide btn // - buffer style, color & width replaced with externs #property indicator_chart_window //#property strict #property indicator_buffers 2 //#property indicator_color1 clrRoyalBlue //#property indicator_color2 clrMaroon //#property indicator_width1 0 //#property indicator_width2 0 extern double BoxSize = 10.0; extern color Up_block_color = clrRoyalBlue; extern color Down_block_color = clrMaroon; extern int Histo_width = 1; extern string BTN_settings = ""; //Button extern bool btn_show = false; //__ show extern string btn_pressed = "Renko"; //__ text extern int btn_offset_x = 10; //__ x extern int btn_offset_y = 20; //__ y extern int btn_width = 60; //__ width extern int btn_height = 20; //__ height extern int btn_font_size = 10; //__ font size extern color btn_font_clr = clrBlack; //__ font color extern color btn_bg_color = clrGray; //__ bg color extern color btn_border_clr = clrWhiteSmoke; //__ border color double Buffer1[]; double Buffer2[]; double Buffer3[]; double Buffer4[]; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit() { //--- indicator buffers mapping IndicatorBuffers(4); SetIndexStyle(0, DRAW_HISTOGRAM,NULL,Histo_width,Up_block_color); SetIndexBuffer(0, Buffer1); SetIndexStyle(1, DRAW_HISTOGRAM,NULL,Histo_width,Down_block_color); SetIndexBuffer(1, Buffer2); SetIndexStyle(2, DRAW_NONE); SetIndexBuffer(2, Buffer3); SetIndexStyle(3, DRAW_NONE); SetIndexBuffer(3, Buffer4); SetIndexLabel(0, "Up"); SetIndexLabel(1, "Dn"); IndicatorDigits(Digits); if(btn_show){CreateButton();} else if(!btn_show){ObjectDelete(NULL,"renko nmc btn");} //--- return(INIT_SUCCEEDED); } //+------------------------------------------------------------------+ //| 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[]) { double Hi; double Lo; double result; double barsize; double digits; int i; for(i = MathMax(rates_total-1-prev_calculated,2); i>=0; i--) Buffer1[Bars] = Close[Bars]; Buffer2[Bars] = Close[Bars]; Buffer3[Bars] = Close[Bars]; Buffer4[Bars] = Close[Bars]; if (Digits == 5 || Digits == 3) digits = NormalizeDouble(10.0 * BoxSize, Digits); else digits = NormalizeDouble(BoxSize, Digits); double box = NormalizeDouble(Point * digits, Digits); int bars = Bars - i; for (int k = bars; k >= 0; k--) { Hi = NormalizeDouble(High[k] - (Buffer3[k + 1]) - box, Digits); Lo = NormalizeDouble(Low[k] - (Buffer4[k + 1]) + box, Digits); if (Hi >= 0.0) { barsize = NormalizeDouble((High[k] - (Buffer3[k + 1])) / box, Digits); result = NormalizeDouble(MathFloor(barsize), Digits); Buffer3[k] = Buffer3[k + 1] + box * result; Buffer4[k] = Buffer3[k] - box * result; Buffer1[k] = Buffer3[k]; Buffer2[k] = Buffer4[k]; Buffer4[k] = Buffer3[k] - box; } else { if (Lo <= 0.0) { barsize = NormalizeDouble((Buffer4[k + 1] - Low[k]) / box, Digits); result = NormalizeDouble(MathFloor(barsize), Digits); Buffer4[k] = Buffer4[k + 1] - box * result; Buffer3[k] = Buffer4[k] + box * result; Buffer2[k] = Buffer3[k]; Buffer1[k] = Buffer4[k]; Buffer3[k] = Buffer4[k] + box; } else { Buffer3[k] = Buffer3[k + 1]; Buffer4[k] = Buffer4[k + 1]; if (Buffer1[k + 1] > Buffer2[k + 1]) { Buffer1[k] = Buffer1[k + 1]; Buffer2[k] = Buffer1[k] - box; } if (Buffer2[k + 1] > Buffer1[k + 1]) { Buffer1[k] = Buffer1[k + 1]; Buffer2[k] = Buffer1[k] + box; } } } } return(rates_total); } //+------------------------------------------------------------------+ void CreateButton() { ButtonCreate(NULL,"renko nmc btn",0,btn_offset_x,btn_offset_y,btn_width,btn_height,CORNER_LEFT_UPPER,btn_pressed,"Arial",btn_font_size,btn_font_clr,btn_bg_color,btn_border_clr,false,true,false,false,0); } void OnChartEvent(const int id,const long &lparam,const double &dparam,const string &sparam) { if (id == CHARTEVENT_OBJECT_CLICK && sparam=="renko nmc btn") { if(ObjectGetInteger(0,"renko nmc btn",OBJPROP_STATE)) { SetIndexStyle(0,DRAW_HISTOGRAM,NULL,Histo_width,clrNONE); SetIndexStyle(1,DRAW_HISTOGRAM,NULL,Histo_width,clrNONE); } if(!ObjectGetInteger(0,"renko nmc btn",OBJPROP_STATE)) { SetIndexStyle(0,DRAW_HISTOGRAM,NULL,Histo_width,Up_block_color); SetIndexStyle(1,DRAW_HISTOGRAM,NULL,Histo_width,Down_block_color); } } } bool ButtonCreate(const long chart_ID=0, // chart's ID const string name="Button", // button name const int sub_window=0, // subwindow index const int x=0, // X coordinate const int y=0, // Y coordinate const int width=50, // button width const int height=18, // button height const ENUM_BASE_CORNER corner=CORNER_LEFT_UPPER, // chart corner for anchoring const string text="Button", // text const string font="Arial", // font const int font_size=10, // font size const color clr=clrBlack, // text color const color back_clr=C'236,233,216', // background color const color border_clr=clrNONE, // border color const bool state=false, // pressed/released const bool back=false, // in the background const bool selectable=true, //object can be selected const bool selection=false, // highlight to move const bool hidden=false, // hidden in the object list const long z_order=0) // priority for mouse click { ResetLastError(); ObjectCreate(chart_ID,name,OBJ_BUTTON,sub_window,0,0); ObjectSetInteger(chart_ID,name,OBJPROP_XDISTANCE,x); ObjectSetInteger(chart_ID,name,OBJPROP_YDISTANCE,y); ObjectSetInteger(chart_ID,name,OBJPROP_XSIZE,width); ObjectSetInteger(chart_ID,name,OBJPROP_YSIZE,height); ObjectSetInteger(chart_ID,name,OBJPROP_CORNER,corner); ObjectSetString(chart_ID,name,OBJPROP_TEXT,text); ObjectSetString(chart_ID,name,OBJPROP_FONT,font); ObjectSetInteger(chart_ID,name,OBJPROP_FONTSIZE,font_size); ObjectSetInteger(chart_ID,name,OBJPROP_COLOR,clr); ObjectSetInteger(chart_ID,name,OBJPROP_BGCOLOR,back_clr); ObjectSetInteger(chart_ID,name,OBJPROP_BORDER_COLOR,border_clr); ObjectSetInteger(chart_ID,name,OBJPROP_BACK,back); ObjectSetInteger(chart_ID,name,OBJPROP_STATE,state); ObjectSetInteger(chart_ID,name,OBJPROP_SELECTABLE,selection); ObjectSetInteger(chart_ID,name,OBJPROP_SELECTED,selection); ObjectSetInteger(chart_ID,name,OBJPROP_HIDDEN,hidden); ObjectSetInteger(chart_ID,name,OBJPROP_ZORDER,z_order); return(true); }