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Indicators/MyIndicators/Authors/Kaufman/Stochastic_DoubleSmoothed_Pro.mq5

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+//+------------------------------------------------------------------+
+//|                               Stochastic_DoubleSmoothed_Pro.mq5  |
+//|                                          Copyright 2025, xxxxxxxx|
+//|                                                                  |
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2025, xxxxxxxx"
+#property version   "1.00"
+#property description "William Blau's Double Smoothed Stochastic."
+
+#property indicator_separate_window
+#property indicator_buffers 2
+#property indicator_plots   2
+#property indicator_level1 20.0
+#property indicator_level2 50.0
+#property indicator_level3 80.0
+#property indicator_minimum 0.0
+#property indicator_maximum 100.0
+
+#property indicator_label1  "%K"
+#property indicator_type1   DRAW_LINE
+#property indicator_color1  clrDodgerBlue
+#property indicator_style1  STYLE_SOLID
+#property indicator_width1  1
+#property indicator_label2  "%D"
+#property indicator_type2   DRAW_LINE
+#property indicator_color2  clrCoral
+#property indicator_style2  STYLE_SOLID
+#property indicator_width2  1
+
+#include <MyIncludes\Stochastic_DoubleSmoothed_Calculator.mqh>
+
+//--- Input Parameters ---
+input group                     "Stochastic Settings"
+input int                       InpStochPeriod   = 5;  // Stochastic Period (q)
+input int                       InpSmoothPeriod1 = 3;  // 1st Smoothing Period (r)
+input int                       InpSmoothPeriod2 = 3;  // 2nd Smoothing Period (s)
+input int                       InpSignalPeriod  = 3;  // Signal Line Period
+input group                     "Price Source"
+input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice   = PRICE_CLOSE_STD; // Note: UO uses H,L,C, so this is a simplification
+
+//--- Indicator Buffers ---
+double    BufferK[], BufferD[];
+
+//--- Global calculator object ---
+CStochasticDoubleSmoothedCalculator *g_calculator;
+
+//+------------------------------------------------------------------+
+int OnInit()
+  {
+   SetIndexBuffer(0, BufferK, INDICATOR_DATA);
+   SetIndexBuffer(1, BufferD, INDICATOR_DATA);
+   ArraySetAsSeries(BufferK, false);
+   ArraySetAsSeries(BufferD, false);
+
+   if(InpSourcePrice <= PRICE_HA_CLOSE)
+      g_calculator = new CStochasticDoubleSmoothedCalculator_HA();
+   else
+      g_calculator = new CStochasticDoubleSmoothedCalculator();
+
+   if(CheckPointer(g_calculator) == POINTER_INVALID ||
+      !g_calculator.Init(InpStochPeriod, InpSmoothPeriod1, InpSmoothPeriod2, InpSignalPeriod))
+     {
+      Print("Failed to create or initialize Double Smoothed Stochastic Calculator.");
+      return(INIT_FAILED);
+     }
+
+   IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("DS Stoch%s(%d,%d,%d)", (InpSourcePrice <= PRICE_HA_CLOSE ? " HA" : ""), InpStochPeriod, InpSmoothPeriod1, InpSmoothPeriod2));
+   IndicatorSetInteger(INDICATOR_DIGITS, 2);
+   int draw_begin = InpStochPeriod + InpSmoothPeriod1 + InpSmoothPeriod2 + InpSignalPeriod;
+   PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, draw_begin);
+   PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, draw_begin);
+
+   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 calculator handles its own price source logic
+   g_calculator.Calculate(rates_total, open, high, low, close, BufferK, BufferD);
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+