Bull_Bears_alerts_1a

//+------------------------------------------------------------------+
//|                                                        Bears.mq4 |
//|                      Copyright © 2005, MetaQuotes Software Corp. |
//|                                       http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net/"

#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 LimeGreen
#property indicator_color2 Red
#property indicator_level1 0
#property indicator_levelcolor Magenta
//#property indicator_color3 Blue

//---- input parameters
extern int       BBPeriod       = 13;
extern int       mamode         = 3;
extern int       price          = PRICE_CLOSE;
extern double    buylevel       = 0.00;
extern double    selllevel      = 0.00;
extern int       histowidth     = 4;
extern string    note13         = "turn on soundAlert = true; turn off = false";
extern bool      SoundON        = true;

extern string    note15         = "send Email Alert = true; turn off = false";
extern bool      EmailON        = false;

extern string    note17         = "turn on Alert = true; turn off = false";
extern bool      AlertON        = true;
extern string    SoundFileName  = "alert.wav";


//---- buffers
double BBUP[], BBDOWN[], avg[];
int    flagval1 = 0;
int    flagval2 = 0;
double val;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   string short_name;
   
   IndicatorBuffers(2);
   IndicatorDigits(Digits);
//---- indicator line
   SetIndexStyle(0,DRAW_HISTOGRAM,0,histowidth);
   SetIndexBuffer(0,BBUP);
   
   SetIndexStyle(1,DRAW_HISTOGRAM,0,histowidth);
   SetIndexBuffer(1,BBDOWN);
   
  // SetIndexStyle(2,DRAW_LINE);
  // SetIndexBuffer(2, avg);
   
//---- name for DataWindow and indicator subwindow label
   short_name="Bull Bears("+BBPeriod+")";
   IndicatorShortName(short_name);
   SetIndexLabel(0,short_name);
//----

   return(0);
  }
//+------------------------------------------------------------------+
//| Bears Power                                                      |
//+------------------------------------------------------------------+
int start()
  {
   int    counted_bars=IndicatorCounted();
   int limit,i;
   
   if(counted_bars<0) return(-1);
   if(counted_bars>0) counted_bars--;
   limit=Bars-counted_bars;     
           
   for(i=limit; i>=0; i--)
   {
   val = High[i]  - iMA(NULL,0,BBPeriod,0,mamode,price,i) + Low[i] - iMA(NULL,0,BBPeriod,0,mamode,price,i);
   
   //for(i=limit; i>=0; i--)
  // {
  // avg[i] = iMAOnArray(NULL,0,BBPeriod,0,mamode,i); 
   
   if (val <= selllevel){
   BBDOWN[i] = val;
   BBUP[i] = 0; 
   if (i == 1 && flagval1==0)
   {
   flagval1=1;
   flagval2=0;
   if (AlertON) Alert("Bull Bear Sell signal at Ask=",Ask,"\n Bid=",Bid,"\n Time=",TimeToStr(CurTime(),TIME_DATE)," ",TimeHour(CurTime()),":",TimeMinute(CurTime()),"\n Symbol=",Symbol()," Period=",Period());
   if (EmailON) SendMail("Bull Bear Sell alert","Sell signal at Ask="+DoubleToStr(Ask,4)+", Bid="+DoubleToStr(Bid,4)+", Date="+TimeToStr(CurTime(),TIME_DATE)+" "+TimeHour(CurTime())+":"+TimeMinute(CurTime())+" Symbol="+Symbol()+" Period="+Period());
   if (SoundON) PlaySound(SoundFileName);
   }
   }     
   else if (val > buylevel)
   {
   BBDOWN[i] = 0;  
   BBUP[i] = val; 
   if (i == 1 && flagval2==0)
   {
   flagval2=1;
   flagval1=0;
   if (AlertON) Alert("Bull Bear Buy signal at Ask=",Ask,"\n Bid=",Bid,"\n Date=",TimeToStr(CurTime(),TIME_DATE)," ",TimeHour(CurTime()),":",TimeMinute(CurTime()),"\n Symbol=",Symbol()," Period=",Period());
   if (EmailON) SendMail("Bull Bear Buy signal alert","Buy signal at Ask="+DoubleToStr(Ask,4)+", Bid="+DoubleToStr(Bid,4)+", Date="+TimeToStr(CurTime(),TIME_DATE)+" "+TimeHour(CurTime())+":"+TimeMinute(CurTime())+" Symbol="+Symbol()+" Period="+Period());
   if (SoundON) PlaySound(SoundFileName);
   }
  }
 }
return(0);
}