| //+------------------------------------------------------------------+
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| //| Camarilla Channel.mq5 |
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| //| Copyright 2009-2025, MetaQuotes Ltd |
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| //| https://www.mql5.com |
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| //+------------------------------------------------------------------+
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| #property copyright "2009-2025, MetaQuotes Ltd"
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| #property link "http://www.mql5.com"
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| #property description "Camarilla Channels"
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|
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| #property indicator_chart_window
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| #property indicator_buffers 10
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| #property indicator_plots 10
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| #property indicator_type1 DRAW_LINE
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| #property indicator_color1 clrGreen
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| #property indicator_type2 DRAW_LINE
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| #property indicator_color2 clrGreen
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| #property indicator_type3 DRAW_LINE
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| #property indicator_color3 clrGreen
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| #property indicator_width3 2
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| #property indicator_type4 DRAW_LINE
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| #property indicator_color4 clrGreen
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| #property indicator_type5 DRAW_LINE
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| #property indicator_color5 clrGreen
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| #property indicator_type6 DRAW_LINE
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| #property indicator_color6 clrRed
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| #property indicator_type7 DRAW_LINE
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| #property indicator_color7 clrRed
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| #property indicator_type8 DRAW_LINE
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| #property indicator_color8 clrRed
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| #property indicator_width8 2
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| #property indicator_type9 DRAW_LINE
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| #property indicator_color9 clrRed
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| #property indicator_type10 DRAW_LINE
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| #property indicator_color10 clrRed
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| //--- labels
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| #property indicator_label1 "H5"
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| #property indicator_label2 "H4"
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| #property indicator_label3 "H3"
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| #property indicator_label4 "H2"
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| #property indicator_label5 "H1"
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| #property indicator_label6 "L1"
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| #property indicator_label7 "L2"
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| #property indicator_label8 "L3"
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| #property indicator_label9 "L4"
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| #property indicator_label10 "L5"
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|
|
| //--- input parameter
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| input bool InpShowLabel=true; // show price of level
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|
|
| //--- indicator buffers
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| double ExtH5Buffer[];
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| double ExtH4Buffer[];
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| double ExtH3Buffer[];
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| double ExtH2Buffer[];
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| double ExtH1Buffer[];
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| double ExtL1Buffer[];
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| double ExtL2Buffer[];
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| double ExtL3Buffer[];
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| double ExtL4Buffer[];
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| double ExtL5Buffer[];
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|
|
| //--- unique prefix for indicator objects
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| string ExtPrefixUniq;
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| //--- current chart scale
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| long ExtChartScale=2;
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| //--- price labels should not be shown on the built-in VPS
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| bool ExtShowLabel=false;
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| //+------------------------------------------------------------------+
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| //| Custom indicator initialization function |
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| //+------------------------------------------------------------------+
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| int OnInit()
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| {
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| //--- check current timeframe
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| if(PeriodSeconds()>PeriodSeconds(PERIOD_D1))
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| {
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| Alert("Timeframe of chart must be D1 or lower. Exit");
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| return(INIT_FAILED);
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| }
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|
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| //--- if the indicator is running on the built-in VPS, price labels should not be shown
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| if(!TerminalInfoInteger(TERMINAL_VPS))
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| ExtShowLabel=InpShowLabel;
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|
|
| //--- define buffers
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| SetIndexBuffer(0, ExtH5Buffer);
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| SetIndexBuffer(1, ExtH4Buffer);
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| SetIndexBuffer(2, ExtH3Buffer);
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| SetIndexBuffer(3, ExtH2Buffer);
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| SetIndexBuffer(4, ExtH1Buffer);
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| SetIndexBuffer(5, ExtL1Buffer);
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| SetIndexBuffer(6, ExtL2Buffer);
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| SetIndexBuffer(7, ExtL3Buffer);
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| SetIndexBuffer(8, ExtL4Buffer);
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| SetIndexBuffer(9, ExtL5Buffer);
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|
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| //--- indicator name
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| IndicatorSetString(INDICATOR_SHORTNAME, "Camarilla Channels");
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| //--- number of digits of indicator value
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| IndicatorSetInteger(INDICATOR_DIGITS, _Digits);
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|
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| //--- prepare prefix for objects
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| string number=StringFormat("%I64d", GetTickCount64());
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| ExtPrefixUniq=StringSubstr(number, StringLen(number)-4);
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| ExtPrefixUniq=ExtPrefixUniq+"_CH";
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| Print("Indicator \"Camarilla Channels\" started, prefix=", ExtPrefixUniq);
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|
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| return(INIT_SUCCEEDED);
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| }
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| //+------------------------------------------------------------------+
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| //| Custom indicator iteration function |
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| //+------------------------------------------------------------------+
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| int OnCalculate(const int rates_total,
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| const int prev_calculated,
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| const datetime &time[],
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| const double &open[],
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| const double &high[],
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| const double &low[],
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| const double &close[],
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| const long &tick_volume[],
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| const long &volume[],
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| const int &spread[])
|
| {
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| static MqlRates LAST_DAY[]; // previous day
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| static datetime last_time=0; // reference time
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| static datetime error_time=0; // error output time
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|
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| //--- if the indicator has previously been calculated, start from the bar preceding the last one
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| int start=prev_calculated-1;
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|
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| //--- if this is the first calculation of the indicator, start from the first bar on the chart
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| if(prev_calculated==0)
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| start=0;
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|
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| //--- calculate levels for all bars in a loop
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| for(int i=start; i<rates_total; i++)
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| {
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| //--- get day opening time for the current bar
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| datetime rem_seconds=time[i]%PeriodSeconds(PERIOD_D1);
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| datetime open_time=time[i]-rem_seconds;
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|
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| //--- if the opening time is different from the reference time, update LAST_DAY - level calculations will be based on this value
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| if(open_time!=last_time)
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| {
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| //--- If you're running the indicator on this symbol for the first time,
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| //--- first open the D1 chart for the symbol to initiate immediate downloading of daily bars
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| //--- if getting the current timeframe bars for the specified day fails
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| if(CopyRates(Symbol(), PERIOD_D1, open_time-1, 1, LAST_DAY)!=-1)
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| {
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| //--- remember the reference time
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| last_time=open_time;
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| }
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| else
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| {
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| //--- generate error messages no more than once a minute
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| if(TimeCurrent()>=error_time)
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| {
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| error_time=TimeCurrent()+60;
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| Print("Failed to get previous day by CopyRates(Symbol(), PERIOD_D1, error ", GetLastError());
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| }
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| return(prev_calculated);
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| }
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| }
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|
|
| //--- calculate levels
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| double range=LAST_DAY[0].high - LAST_DAY[0].low;
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| double h5=(LAST_DAY[0].high/LAST_DAY[0].low) * LAST_DAY[0].close;
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| double h4=LAST_DAY[0].close + range*1.1/2.0;
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| double h3=LAST_DAY[0].close + range*1.1/4.0;
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| double h2=LAST_DAY[0].close + range*1.1/6.0;
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| double h1=LAST_DAY[0].close + range*1.1/12.0;
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| double l1=LAST_DAY[0].close - range*1.1/12.0;
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| double l2=LAST_DAY[0].close - range*1.1/6.0;
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| double l3=LAST_DAY[0].close - range*1.1/4.0;
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| double l4=LAST_DAY[0].close - range*1.1/2.0;
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| double l5=LAST_DAY[0].close - (h5 -LAST_DAY[0].close);
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|
|
| //--- write values into buffers
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| ExtH5Buffer[i]=h5;
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| ExtH4Buffer[i]=h4;
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| ExtH3Buffer[i]=h3;
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| ExtH2Buffer[i]=h2;
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| ExtH1Buffer[i]=h1;
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| ExtL1Buffer[i]=l1;
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| ExtL2Buffer[i]=l2;
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| ExtL3Buffer[i]=l3;
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| ExtL4Buffer[i]=l4;
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| ExtL5Buffer[i]=l5;
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| }
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|
|
| //--- draw labels on levels
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| if(ExtShowLabel)
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| {
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| ShowPriceLevels(time[rates_total-1], rates_total-1);
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| ChartRedraw();
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| }
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|
|
| //--- succesfully calculated
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| return(rates_total);
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| }
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| //+------------------------------------------------------------------+
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| //| Custom indicator deinitialization function |
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| //+------------------------------------------------------------------+
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| void OnDeinit(const int reason)
|
| {
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| //--- delete all our graphical objects after use
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| Print("Indicator \"Camarilla Channels\" stopped, delete all objects with prefix=", ExtPrefixUniq);
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| ObjectsDeleteAll(0, ExtPrefixUniq, 0, OBJ_ARROW_RIGHT_PRICE);
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| ChartRedraw(0);
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| }
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| //+------------------------------------------------------------------+
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| //| Handles CHARTEVENT_CHART_CHANGE to track chart window updates |
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| //+------------------------------------------------------------------+
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| void OnChartEvent(const int id, const long& lparam, const double& dparam, const string& sparam)
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| {
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| if(id==CHARTEVENT_CHART_CHANGE)
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| if(!ChartGetInteger(0, CHART_SCALE, 0, ExtChartScale))
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| {
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| //--- output an error message to the Experts journal
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| Print(__FUNCTION__+", ChartGetInteger(CHART_SCALE) failed, error = ", GetLastError());
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| }
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| //---
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| }
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| //+------------------------------------------------------------------+
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| //| Show prices' levels |
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| //+------------------------------------------------------------------+
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| void ShowPriceLevels(datetime time, int last_index)
|
| {
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| ShowRightPrice(ExtPrefixUniq+"_H5", time, ExtH5Buffer[last_index], clrGreen);
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| ShowRightPrice(ExtPrefixUniq+"_H4", time, ExtH4Buffer[last_index], clrGreen);
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| ShowRightPrice(ExtPrefixUniq+"_H3", time, ExtH3Buffer[last_index], clrGreen);
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| ShowRightPrice(ExtPrefixUniq+"_H2", time, ExtH2Buffer[last_index], clrGreen);
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| ShowRightPrice(ExtPrefixUniq+"_H1", time, ExtH1Buffer[last_index], clrGreen);
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| ShowRightPrice(ExtPrefixUniq+"_L1", time, ExtL1Buffer[last_index], clrRed);
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| ShowRightPrice(ExtPrefixUniq+"_L2", time, ExtL2Buffer[last_index], clrRed);
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| ShowRightPrice(ExtPrefixUniq+"_L3", time, ExtL3Buffer[last_index], clrRed);
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| ShowRightPrice(ExtPrefixUniq+"_L4", time, ExtL4Buffer[last_index], clrRed);
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| ShowRightPrice(ExtPrefixUniq+"_L5", time, ExtL5Buffer[last_index], clrRed);
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| }
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| //+------------------------------------------------------------------+
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| //| Create or Update "Right Price Label" object |
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| //+------------------------------------------------------------------+
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| bool ShowRightPrice(const string name, datetime time, double price, color clr)
|
| {
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| if(!ObjectCreate(0, name, OBJ_ARROW_RIGHT_PRICE, 0, time, price))
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| {
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| ObjectMove(0, name, 0, time, price);
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| return(false);
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| }
|
|
|
| //--- adjust label size based on chart scale
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| int width=ExtChartScale>1 ? 2:1; // if chart scale > 1, then label size = 2
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|
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| ObjectSetInteger(0, name, OBJPROP_COLOR, clr);
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| ObjectSetInteger(0, name, OBJPROP_STYLE, STYLE_SOLID);
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| ObjectSetInteger(0, name, OBJPROP_WIDTH, width);
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| ObjectSetInteger(0, name, OBJPROP_BACK, false);
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| ObjectSetInteger(0, name, OBJPROP_SELECTABLE, false);
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| ObjectSetInteger(0, name, OBJPROP_SELECTED, false);
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| ObjectSetInteger(0, name, OBJPROP_HIDDEN, true);
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| ObjectSetInteger(0, name, OBJPROP_ZORDER, 0);
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|
|
| return(true);
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| }
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| //+------------------------------------------------------------------+
|
