MultiSymbolSignals/Include/MultiSymbol/SettingChart.mqh

<EFBFBD><EFBFBD>//--- !2O7L A >A=>2=K< D09;>< 8=48:0B>@0
//#include "..\MultiSymbolPriceDivergence.mq5"
//--- >4:;NG05< A2>8 181;8>B5:8
#include "Checks.mqh"
#include "SetDeleteObjects.mqh"
//+------------------------------------------------------------------+
//| #AB0=>28< A2>9AB20 >:=0                                          |
//+------------------------------------------------------------------+
void SetSubwindowProperties()
  {
//--- >;CG8< =><5@ >:=0 8=48:0B>@0
   number_window=ChartWindowFind(0,shortname_indicator);
//--- >;CG8< H8@8=C 8 2KA>BC ?>4>:=0
   chart_width=(int)ChartGetInteger(0,CHART_WIDTH_IN_PIXELS);
   chart_height=(int)ChartGetInteger(0,CHART_HEIGHT_IN_PIXELS,number_window);
//--- >;CG8< F5=B@ >:=0 3@0D8:0
   chart_wcenter=chart_width/2;
   chart_vcenter=chart_height/2;
  }
//+------------------------------------------------------------------+
//| #AB0=>28< F25B0 10@>2 B5:CI53> A8<2>;0                           |
//+------------------------------------------------------------------+
void SetBarColors()
  {
//--- &25B 10@0 225@E, B5=8 8 >:0=B>2:8 B5;0 1KGL59 A25G8
   ChartSetInteger(0,CHART_COLOR_CHART_UP,color_bar_up);
//--- &25B B5;0 1KGL59 A25G8
   ChartSetInteger(0,CHART_COLOR_CANDLE_BULL,color_bar_up);
//--- &25B ;8=88 3@0D8:0 8 O?>=A:8E A25G59 ">468"
   ChartSetInteger(0,CHART_COLOR_CHART_LINE,color_bar_up);
//--- A;8 2:;NG5= 42CEF25B=K9 @568<
   if(TwoColor)
     {
      //--- &25B 10@0 2=87, B5=8 8 >:0=B>2:8 B5;0 <54256L59 A25G8
      ChartSetInteger(0,CHART_COLOR_CHART_DOWN,color_bar_down);
      //--- &25B B5;0 <54256L59 A25G8
      ChartSetInteger(0,CHART_COLOR_CANDLE_BEAR,color_bar_down);
     }
//--- A;8 42CEF25B=K9 @568< >B:;NG5=
   else
     {
      //--- &25B 10@0 2=87, B5=8 8 >:0=B>2:8 B5;0 <54256L59 A25G8
      ChartSetInteger(0,CHART_COLOR_CHART_DOWN,color_bar_up);
      //--- &25B B5;0 <54256L59 A25G8
      ChartSetInteger(0,CHART_COLOR_CANDLE_BEAR,color_bar_up);
     }
  }
//+------------------------------------------------------------------+
//| >@@5:B8@C5B <0:A8<C</<8=8<C< 3@0D8:0 >B=>A8B5;L=> 2A5E 1CD5@>2  |
//+------------------------------------------------------------------+
void CorrectMaximumMinimumChart()
  {
   double low[];                  // 0AA82 <8=8<C<>2
   double high[];                 // 0AA82 <0:A8<C<>2
   int    try               =10;  // >;-2> ?>?KB>:
   int    size_array        =0;   //  07<5@ <0AA820 4;O @8A>20=8O
   int    visible_bars      =0;   // >;8G5AB2> 2848<KE 10@>2
   int    first_visible_bar =0;   // ><5@ ?5@2>3> 2848<>3> 10@0
   int    last_visible_bar  =0;   // ><5@ ?>A;54=53> 2848<>3> 10@0
   double max_price         =0.0; // 0:A8<0;L=0O F5=0
   double min_price         =0.0; // 8=8<0;L=0O F5=0
   double offset_max_min    =0.0; // BABC? >B <0:A8<C<0/<8=8<C<0 3@0D8:0
//--- 1=C;8< ?>A;54=NN >H81:C
   ResetLastError();
//--- >;8G5AB2> 2848<KE 10@>2
   visible_bars=(int)ChartGetInteger(0,CHART_VISIBLE_BARS);
//--- ><5@ ?5@2>3> 2848<>3> 10@0
   first_visible_bar=(int)ChartGetInteger(0,CHART_FIRST_VISIBLE_BAR);
//--- ><5@ ?>A;54=53> 2848<>3> 10@0
   last_visible_bar=first_visible_bar-visible_bars;
//--- A;8 5ABL >H81:0, 2K945<
   if(GetLastError()!=0)
      return;
//--- A;8 7=0G5=85 =5:>@@5:B=>, 8A?@028<
   if(last_visible_bar<0)
      last_visible_bar=0;
//--- >;CG8< <0:A8<C< 8 <8=8<C< B5:CI53> A8<2>;0 =0 2848<>9 G0AB8 3@0D8:0
   for(int i=0; i<try; i++)
      if(CopyHigh(Symbol(),Period(),last_visible_bar,visible_bars,high)==visible_bars)
         break;
   for(int i=0; i<try; i++)
      if(CopyLow(Symbol(),Period(),last_visible_bar,visible_bars,low)==visible_bars)
         break;
//--- K945<, 5A;8 40==K5 =5 1K;8 ?>;CG5=K
   if(ArraySize(high)<=0 || ArraySize(low)<=0)
      return;
//--- A;8 40==K5 ?>;CG5=K, B>
//    >?@545;8< 2 <0AA820E B5:CI53> A8<2>;0 <0:A8<C< 8 <8=8<C<
   else
     {
      min_price=low[ArrayMinimum(low)];
      max_price=high[ArrayMaximum(high)];
     }
//--- >;CG8< <0:A8<0;L=CN 8 <8=8<0;L=CN F5=K =0 2A5E F5=>2KE <0AA820E
   for(int s=0; s<SYMBOLS; s++)
     {
      //--- A;8 B0:>3> A8<2>;0 =5B, B> ?5@59B8 : A;54CNI5<C
      if(symbols_names[s]==empty_symbol)
         continue;
      //---
      datetime time[];         // 0AA82 2@5<5=8
      int      number_bars =0; // >;8G5AB2> 10@>2 4;O @0AGQB0
      //--- #AB0=>28< =C;52>9 @07<5@ <0AA820<
      ArrayResize(high,0);
      ArrayResize(low,0);
      //--- >;CG8< 2@5<O ?5@2>3> 2848<>3> =0 3@0D8:5 10@0
      for(int i=0; i<try; i++)
         if(CopyTime(Symbol(),Period(),last_visible_bar,visible_bars,time)==visible_bars)
            break;
      //--- A;8 40==KE <5=LH5, G5< 2848<KE 10@>2 =0 3@0D8:5, 2K945<
      if(ArraySize(time)<visible_bars)
         return;
      //--- A;8 2@5<O ?5@2>3> "8AB8==>3>" 10@0 1>;LH5, G5<
      //    2@5<O ?5@2>3> 2848<>3> 10@0 =0 3@0D8:5, B>
      //    ?>;CG8< 4>ABC?=>5 :>;8G5AB2> 10@>2 B5:CI53> 2 F8:;5 A8<2>;0
      if(limit_time[s]>time[0])
        {
         //--- >;CG8< @07<5@ <0AA820
         size_array=ArraySize(time);
         //--- >;CG8< :>;8G5AB2> 10@>2 >B ?5@2>3> 8AB8==>3>
         if((number_bars=Bars(Symbol(),Period(),limit_time[s],time[size_array-1]))<=0)
            return;
        }
      //--- =0G5 ?>;CG8< 2848<>5 :>;8G5AB2> 10@>2 =0 3@0D8:5
      else
         number_bars=visible_bars;
      //--- #AB0=>28< 8=45:A0F8N, :0: 2 B09<A5@8OE
      ArraySetAsSeries(low,true);
      ArraySetAsSeries(high,true);
      //--- !:>?8@C5< 40==K5 87 8=48:0B>@=KE 1CD5@>2
      //    A5 @568<K :@><5 8=8O
      if(DrawType!=LINES)
        {
         ArrayCopy(low,buffer_data[s].low);
         ArrayCopy(high,buffer_data[s].high);
        }
      //--- A;8 2 @568<5 8=8O
      else
        {
         ArrayCopy(low,buffer_data[s].close);
         ArrayCopy(high,buffer_data[s].close);
        }
      //--- >;CG8< @07<5@ <0AA820
      size_array=ArraySize(high);
      //--- 0?>;=8< ?CABK5 7=0G5=8O,
      //    GB>1K >=8 =5 CG8BK20;8AL 2 >?@545;5=88 <0:A8<C<0/<8=8<C<0
      for(int i=0; i<size_array; i++)
        {
         if(high[i]==EMPTY_VALUE)
            high[i]=max_price;
         if(low[i]==EMPTY_VALUE)
            low[i]=min_price;
        }
      //--- ?@545;8< <0:A8<C</<8=8<C< CG8BK20O 8=25@A8N
      if(inverse[s])
        {
         //--- A;8 >H81>: =5B, 70?><=8< 7=0G5=8O
         if(ArrayMaximum(high,last_visible_bar,number_bars)>=0 && 
            ArrayMinimum(low,last_visible_bar,number_bars)>=0)
           {
            max_price=fmax(max_price,low[ArrayMaximum(low,last_visible_bar,number_bars)]);
            min_price=fmin(min_price,high[ArrayMinimum(high,last_visible_bar,number_bars)]);
           }
        }
      else
        {
         //--- A;8 >H81>: =5B, 70?><=8< 7=0G5=8O
         if(ArrayMinimum(low,last_visible_bar,number_bars)>=0 && 
            ArrayMaximum(high,last_visible_bar,number_bars)>=0)
           {
            min_price=fmin(min_price,low[ArrayMinimum(low,last_visible_bar,number_bars)]);
            max_price=fmax(max_price,high[ArrayMaximum(high,last_visible_bar,number_bars)]);
           }
        }
     }
//---  0AAG8B05< >BABC? (3%) >B 25@E0 8 =870 3@0D8:0
   offset_max_min=((max_price-min_price)*3)/100;
//--- :;NG8< @568< D8:A8@>20==>3> <0AHB010 3@0D8:0
   ChartSetInteger(0,CHART_SCALEFIX,true);
//--- #AB0=>28< <0:A8<C</<8=8<C<
   ChartSetDouble(0,CHART_FIXED_MAX,max_price+offset_max_min);
   ChartSetDouble(0,CHART_FIXED_MIN,min_price-offset_max_min);
//--- 1=>28< 3@0D8:
   ChartRedraw();
  }
//+------------------------------------------------------------------+