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Toh4iem9
98 lines
3.5 KiB
Plaintext
98 lines
3.5 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 "3.00" // Refactored to use Holt Engine
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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 1
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//--- Input Parameters ---
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input double InpAlpha = 0.1; // Level Smoothing Factor (0.0 - 1.0)
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input double InpBeta = 0.05; // Trend Smoothing Factor (0.0 - 1.0)
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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 ---
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CHoltOscillatorCalculator *g_calculator;
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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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g_calculator = new CHoltOscillatorCalculator();
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bool use_ha = (InpSourcePrice <= PRICE_HA_CLOSE);
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// Pass 0 for period as it is ignored by the engine
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if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(0, InpAlpha, InpBeta, use_ha))
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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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string type = use_ha ? " HA" : "";
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IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Holt Osc%s(%.2f, %.2f)", type, InpAlpha, InpBeta));
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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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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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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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{
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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, prev_calculated, 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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