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Toh4iem9
99 lines
3.8 KiB
Plaintext
99 lines
3.8 KiB
Plaintext
//+------------------------------------------------------------------+
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//| Holt_Oscillator_Pro.mq5|
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//| Copyright 2025, xxxxxxxx|
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2025, xxxxxxxx"
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#property version "2.01" // Final unified architecture
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#property description "Holt's Trend Oscillator. Shows the smoothed trend component."
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#property description "Supports Standard and Heikin Ashi price sources."
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#property indicator_separate_window
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#property indicator_buffers 1
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#property indicator_plots 1
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#property indicator_level1 0.0
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#property indicator_levelstyle STYLE_DOT
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#property indicator_levelcolor clrGray
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//--- Include the calculator engine ---
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#include <MyIncludes\Holt_Oscillator_Calculator.mqh>
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//--- Plot 1: Holt Trend Oscillator
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#property indicator_label1 "Holt Trend"
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#property indicator_type1 DRAW_HISTOGRAM
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#property indicator_color1 clrSeaGreen, clrTomato
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#property indicator_style1 STYLE_SOLID
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#property indicator_width1 2
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//--- Input Parameters ---
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input int InpPeriod = 20;
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input double InpAlpha = 0.1;
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input double InpBeta = 0.05;
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input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD;
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//--- Indicator Buffers ---
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double BufferOscillator[];
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//--- Global calculator object (as a base class pointer) ---
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CHoltOscillatorCalculator *g_calculator;
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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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SetIndexBuffer(0, BufferOscillator, INDICATOR_DATA);
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ArraySetAsSeries(BufferOscillator, false);
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if(InpSourcePrice <= PRICE_HA_CLOSE)
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{
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g_calculator = new CHoltOscillatorCalculator_HA();
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IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Holt Osc HA(%d)", InpPeriod));
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}
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else
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{
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g_calculator = new CHoltOscillatorCalculator_Std();
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IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Holt Osc(%d)", InpPeriod));
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}
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if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpPeriod, InpAlpha, InpBeta))
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{
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Print("Failed to initialize Holt Oscillator Calculator.");
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return(INIT_FAILED);
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}
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PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, 2);
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IndicatorSetInteger(INDICATOR_DIGITS, _Digits+2);
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return(INIT_SUCCEEDED);
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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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{
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if(CheckPointer(g_calculator) != POINTER_INVALID)
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delete g_calculator;
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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, const int, const datetime&[], const double &open[], const double &high[], const double &low[], const double &close[], const long&[], const long&[], const int&[])
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{
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if(CheckPointer(g_calculator) == POINTER_INVALID)
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return 0;
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ENUM_APPLIED_PRICE price_type;
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if(InpSourcePrice <= PRICE_HA_CLOSE)
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price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice);
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else
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price_type = (ENUM_APPLIED_PRICE)InpSourcePrice;
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g_calculator.Calculate(rates_total, price_type, open, high, low, close, BufferOscillator);
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
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