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2026-08-04 08:07:44 +00:00 · 2025-10-27 21:41:46 +01:00
parent 85eddb21d6
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+//+------------------------------------------------------------------+
+//|                                       Windowed_Momentum_Pro.mq5  |
+//|                                          Copyright 2025, xxxxxxxx|
+//|                                                                  |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2025, xxxxxxxx"
+#property version   "1.00"
+#property description "Ehlers' Windowed FIR filter applied to Momentum (Close-Open)."
+
+#property indicator_separate_window // THIS IS THE KEY CHANGE
+#property indicator_buffers 1
+#property indicator_plots   1
+#property indicator_label1  "W-Momentum"
+#property indicator_type1   DRAW_LINE
+#property indicator_color1  clrAqua
+#property indicator_style1  STYLE_SOLID
+#property indicator_width1  1
+
+#property indicator_level1 0.0
+#property indicator_levelstyle STYLE_SOLID
+#property indicator_levelcolor clrGray
+
+#include <MyIncludes\Windowed_MA_Calculator.mqh>
+
+enum ENUM_CANDLE_SOURCE { SOURCE_STD, SOURCE_HA };
+
+//--- Input Parameters ---
+input ENUM_WINDOW_TYPE    InpWindowType  = W_HANN;        // Windowing function type
+input int                 InpPeriod      = 20;            // Averaging Period
+// Note: Source Price is not needed as this indicator always uses Momentum (C-O)
+input ENUM_CANDLE_SOURCE  InpCandleSource= SOURCE_STD;    // Candle type
+
+//--- Indicator Buffers ---
+double    BufferOutput[];
+
+//--- Global calculator object ---
+CWindowedMACalculator *g_calculator;
+
+//+------------------------------------------------------------------+
+int OnInit()
+  {
+   SetIndexBuffer(0, BufferOutput,  INDICATOR_DATA);
+   ArraySetAsSeries(BufferOutput,  false);
+
+   if(InpCandleSource == SOURCE_HA)
+     {
+      g_calculator = new CWindowedMACalculator_HA();
+     }
+   else
+     {
+      g_calculator = new CWindowedMACalculator();
+     }
+
+// Initialize the calculator in MOMENTUM mode
+   if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpPeriod, InpWindowType, SOURCE_MOMENTUM))
+     {
+      Print("Failed to initialize Windowed Momentum Calculator.");
+      return(INIT_FAILED);
+     }
+
+   IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("W-Mom(%d)", InpPeriod));
+   PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, InpPeriod - 1);
+   IndicatorSetInteger(INDICATOR_DIGITS, 4);
+
+   return(INIT_SUCCEEDED);
+  }
+
+//+------------------------------------------------------------------+
+void OnDeinit(const int reason)
+  {
+   if(CheckPointer(g_calculator) != POINTER_INVALID)
+      delete g_calculator;
+  }
+
+//+------------------------------------------------------------------+
+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&[])
+  {
+   if(CheckPointer(g_calculator) == POINTER_INVALID)
+      return 0;
+
+// The price_type parameter is not used by the calculator in SOURCE_MOMENTUM mode,
+// but we pass a default value for consistency.
+   g_calculator.Calculate(rates_total, PRICE_CLOSE, open, high, low, close, BufferOutput);
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+