CustomTimeframe

//+------------------------------------------------------------------+
//|                                              CustomTimeframe.mq4 |
//|                                       when-money-makes-money.com |
//|                                       when-money-makes-money.com |
//+------------------------------------------------------------------+
#property copyright "when-money-makes-money.com"
#property link      "when-money-makes-money.com"

#property indicator_chart_window
#property indicator_buffers 8
#property indicator_color1 Black
#property indicator_color2 Black
#property indicator_color3 Red
#property indicator_color4 Blue
#property indicator_color5 Red
#property indicator_color6 Red
#property indicator_color7 Red
#property indicator_color8 Red
//---- buffers
double open[];
double close[];
double high[];
double low[];
double ExtMapBuffer5[];
double ExtMapBuffer6[];
double ExtMapBuffer7[];
double ExtMapBuffer8[];

extern int MaxHistory=200;
extern int TimeInSeconds=5;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
double a.open[];
double a.close[];
double a.high[];
double a.low[];

int init()
  {
//---- indicators
   SetIndexStyle(0,DRAW_HISTOGRAM);
   SetIndexBuffer(0,high);
   SetIndexStyle(1,DRAW_HISTOGRAM);
   SetIndexBuffer(1,low);
   SetIndexStyle(2,DRAW_HISTOGRAM,STYLE_SOLID,5);
   SetIndexBuffer(2,open);
   SetIndexStyle(3,DRAW_HISTOGRAM,STYLE_SOLID,5);
   SetIndexBuffer(3,close);
   SetIndexStyle(4,DRAW_LINE);
   SetIndexBuffer(4,ExtMapBuffer5);
   SetIndexStyle(5,DRAW_LINE);
   SetIndexBuffer(5,ExtMapBuffer6);
   SetIndexStyle(6,DRAW_LINE);
   SetIndexBuffer(6,ExtMapBuffer7);
   SetIndexStyle(7,DRAW_LINE);
   SetIndexBuffer(7,ExtMapBuffer8);
   ArrayResize(a.high,MaxHistory);
   ArrayResize(a.low,MaxHistory);
   ArrayResize(a.open,MaxHistory);
   ArrayResize(a.close,MaxHistory);      
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
void redraw(){
   for(int i=200;i>=0;i--){
      if(i==200){
      open[i]=0;
      close[i]=0;
      high[i]=0;
      low[i]=0;
      }else{
      open[i]=a.open[i];
      close[i]=a.close[i];
      high[i]=a.high[i];
      low[i]=a.low[i];      
      }
   }
}

void shift(){
   for(int i=200;i>0;i--){
      a.open[i]=a.open[i-1];
      a.close[i]=a.close[i-1];
      a.high[i]=a.high[i-1];
      a.low[i]=a.low[i-1];
   }
}

extern int sleep=100;
int start()
  {
   int    counted_bars=IndicatorCounted();
//----
   bool running=true;
   static double price=0;
   static int t=0;
   static datetime t.r=0; 
   static bool updates=false;
   //t=TimeCurrent();
   //while(running){
      updates=false;
      if(TimeCurrent()>(t+TimeInSeconds)){

         shift();
         if(a.open[1]==EMPTY || a.open[1]==EMPTY_VALUE || a.open[1]==0){
            a.open[0]=Bid;
            a.close[0]=Bid;
            a.high[0]=Bid;
            a.low[0]=Bid;
         }else{
         a.open[0]=a.close[1];
         a.high[0]=a.close[1];
         a.low[0]=a.close[1];
         a.close[0]=a.close[1];
         }
         Print("shift "+a.open[0]+" - "+a.open[1]);
         updates=true;
         t=TimeCurrent();
      }
      if(price!=Bid){
            price=Bid;
            a.close[0]=price;
            a.high[0]=MathMax(price,a.high[0]);
            a.low[0]=MathMin(price,a.low[0]);
            updates=true;
      }       
      if(Time[0]!=t.r){
         t.r=Time[0];
         redraw();
      }else{
         if(updates){
            redraw();
         }
      }
      if(IsStopped()) running=false;
   //   Sleep(sleep);
   //}
//----
   return(0);
  }
//+------------------------------------------------------------------+