yuraz mcch calculation indicator

Related: alligator code for beginners by william210 - another powerful indicator for MetaTrader 5 traders.

the indicator calculates % of growth or drop towards close. it is written via use of object-oriented programming and can be easily integrated into any expert advisor or other indicator.

Also recommended: jm a candle trend signal - similar indicator with strong performance on MetaTrader 5.

the indicator calculates ch%, percentage of change of close of a previous day.

creates objects on a chart. the indicator is written in object-oriented programming style.

it is easily integrated into any expert advisor or other indicator. it suffices to describe a class and effectuate its activation

you can estimate code size integrated into another indicator or expert advisor.

there are 2 lines:

cchmcyz chmc
;

chmc.rchsay(
"eurusd"
,
timecurrent
()-
86400
*
5
,
timecurrent
(),
5
,
16
);
// let's calculate the current day ch%

object-oriented programming offer massive opportunities, necessary classes are written, and then you construct ...

//+------------------------------------------------------------------+

//|                                                   yuraz_mcch.mq5 |

//|                        copyright 2009, metaquotes software corp. |

//|                                               |

//+------------------------------------------------------------------+

#property

copyright

"2009, metaquotes software corp."

#property

link
      
""

#property

version
  
"1.00"

#property

indicator_chart_window

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////

// class calculation ch%

//

struct
symbolstruct   {   
bool
              work;   
string
            ssymbol;   
int
               y;   
int
               x;   
double
            ch;   };
//+------------------------------------------------------------------+

//|                                                                  |

//+------------------------------------------------------------------+

class
cchmcyz   {
public
:    symbolstruct      ssymb;   
color
             lcolorsym;   
color
             lcolorchplus;   
color
             lcolorchminus;   
color
             lcolorch;      
int
               indicatorwindow;
// work in the main window
  
void
cchmcyz()    {    indicatorwindow=
0
;    lcolorsym=darkblue;
//  darkturquoise
   lcolorch=darkgreen;
// white;
   lcolorchplus  = green;
// limegreen;
   lcolorchminus = firebrick ;
// red;
    }
// constructor
  
void
              rch(
string
ssym,
datetime
db,
datetime
de);  
// full calculation of one pair only without display
  
void
              rchsay(
string
ssym,
datetime
db,
datetime
de,
int
x,
int
y);
// full calculation of one pair and its display

private
:   
color
lcolor;   
double
            dclose[
7000
];                    
// array for copying maximal prices
  };
//+------------------------------------------------------------------+

//|                                                                  |

//+------------------------------------------------------------------+

void
cchmcyz::rch(
string
ssymbol,
datetime
datebeg,
datetime
dateend)   {    ssymb.ch =
0
;   
int
countbar;    datebeg =
stringtotime
(
timetostring
(datebeg,
time_date
));    dateend =
stringtotime
(
timetostring
(dateend,
time_date
));    countbar=
copyclose
(ssymbol,
period_d1
,dateend,
2
,dclose);   
if
(countbar>=
0
)      {       
if
(
normalizedouble
(dclose[
1
],
5
)!=
0.0
&&
normalizedouble
(dclose[
0
],
5
)!=
0.0
)         {          ssymb.ch=(dclose[
1
]*
100
)/dclose[
0
]-
100
;         }      }   }
//+------------------------------------------------------------------+

//| calculation with output

//+------------------------------------------------------------------+

void
cchmcyz::rchsay(
string
ssym,
datetime
db,
datetime
de,
int
xd,
int
yd)
// full calculation of one pair only
  {    rch(ssym,db,de);   
if
(
objectfind
(indicatorwindow,
"oyz"
+ssym)==-
1
)      {       
objectcreate
(indicatorwindow,
"oyz"
+ssym,
obj_label
,indicatorwindow,
0
,
0
);       
objectsetinteger
(indicatorwindow,
"oyz"
+ssym,
objprop_xdistance
,xd);       
objectsetinteger
(indicatorwindow,
"oyz"
+ssym,
objprop_ydistance
,yd);       
objectsetinteger
(indicatorwindow,
"oyz"
+ssym,
objprop_corner
,
corner_left_upper
);       
objectsetstring
(indicatorwindow,
"oyz"
+ssym,
objprop_text
,ssym);       
objectsetstring
(indicatorwindow,
"oyz"
+ssym,
objprop_font
,
"arial"
);       
objectsetinteger
(indicatorwindow,
"oyz"
+ssym,
objprop_fontsize
,
7
);       
objectsetinteger
(indicatorwindow,
"oyz"
+ssym,
objprop_color
,lcolorsym);       
objectsetinteger
(indicatorwindow,
"oyz"
+ssym,
objprop_selectable
,
true
);      }   
if
(
objectfind
(indicatorwindow,
"oyz_"
+ssym)==-
1
)      {       
objectcreate
(indicatorwindow,
"oyz_"
+ssym,
obj_label
,indicatorwindow,
0
,
0
);       
objectsetinteger
(indicatorwindow,
"oyz_"
+ssym,
objprop_xdistance
,xd+
45
);       
objectsetinteger
(indicatorwindow,
"oyz_"
+ssym,
objprop_ydistance
,yd);       
objectsetinteger
(indicatorwindow,
"oyz_"
+ssym,
objprop_corner
,
corner_left_upper
);       
objectsetstring
(indicatorwindow,
"oyz_"
+ssym,
objprop_text
,ssym);       
objectsetstring
(indicatorwindow,
"oyz_"
+ssym,
objprop_font
,
"arial"
);       
objectsetinteger
(indicatorwindow,
"oyz_"
+ssym,
objprop_fontsize
,
7
);       
objectsetinteger
(indicatorwindow,
"oyz_"
+ssym,
objprop_color
,lcolorch);       
objectsetinteger
(indicatorwindow,
"oyz_"
+ssym,
objprop_selectable
,
true
);      }    yd=yd+
11
;    lcolor=lcolorch;   
if
(ssymb.ch>
0
)      {       lcolor=lcolorchplus;       
objectsetstring
(indicatorwindow,
"oyz_"
+ssym,
objprop_text
,
" "
+
doubletostring
(ssymb.ch,
5
));       
objectsetinteger
(indicatorwindow,
"oyz_"
+ssym,
objprop_xdistance
,xd+
45
);      }   
if
(ssymb.ch<
0
)      {       lcolor=lcolorchminus;       
objectsetstring
(indicatorwindow,
"oyz_"
+ssym,
objprop_text
,
doubletostring
(ssymb.ch,
5
));       
objectsetinteger
(indicatorwindow,
"oyz_"
+ssym,
objprop_xdistance
,xd+
46
);      }   
objectsetinteger
(indicatorwindow,
"oyz_"
+ssym,
objprop_color
,lcolor);   }
//

// end of class

//

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////

//

// code where the class is used in

//
cchmcyz chmc;
//+------------------------------------------------------------------+

//|                                                                  |

//+------------------------------------------------------------------+

int

oninit
()   {
//--- indicator buffers mapping
   chmc.rchsay(
"eurusd"
,
timecurrent
()-
86400
*
5
,
timecurrent
(),
5
,
16
);
// let's calculate current day of ch%
   chmc.rchsay(
"audusd"
,
timecurrent
()-
86400
*
5
,
timecurrent
(),
5
,
16
+
12
   );    chmc.rchsay(
"gbpusd"
,
timecurrent
()-
86400
*
5
,
timecurrent
(),
5
,
16
+
12
*
2
);    chmc.rchsay(
"usdchf"
,
timecurrent
()-
86400
*
5
,
timecurrent
(),
5
,
16
+
12
*
3
);    chmc.rchsay(
"usdcad"
,
timecurrent
()-
86400
*
5
,
timecurrent
(),
5
,
16
+
12
*
4
);   
return
(
0
);   }
//+------------------------------------------------------------------+

//|                                                                  |

//+------------------------------------------------------------------+

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[])   {    chmc.rchsay(
"eurusd"
,
timecurrent
()-
86400
*
5
,
timecurrent
(),
5
,
16
);
// let's calculate current day of ch%
   chmc.rchsay(
"audusd"
,
timecurrent
()-
86400
*
5
,
timecurrent
(),
5
,
16
+
12
   );    chmc.rchsay(
"gbpusd"
,
timecurrent
()-
86400
*
5
,
timecurrent
(),
5
,
16
+
12
*
2
);    chmc.rchsay(
"usdchf"
,
timecurrent
()-
86400
*
5
,
timecurrent
(),
5
,
16
+
12
*
3
);    chmc.rchsay(
"usdcad"
,
timecurrent
()-
86400
*
5
,
timecurrent
(),
5
,
16
+
12
*
4
);   
return
(rates_total);   }
void

ondeinit
()   {   
int
i=
objectstotal
(
0
);
// remove our objects
  
while
( i >
0
  )      {       
if
(
stringsubstr
(
objectname
(
0
,i ),
0
,
3
)==
"oyz"
)         {         
objectdelete
(
0
,
objectname
(
0
,i ));         }         i--;       }   }

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#property copyright "robotfx"
#property link "https://robotfx.org"
#property version   "1.00"
#property indicator_chart_window
struct symbolstruct
  {
   bool              work;
   string            ssymbol;
   int               y;
   int               x;

.......

• This tool is provided for educational and testing purposes only.
• Past performance does not guarantee future results.
• Trading involves substantial risk of loss. Use on a demo account first.
• Results may vary depending on market conditions, broker, and settings.
• We recommend thorough backtesting and forward testing before using with real funds.