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Indicators/MyIndicators/Authors/Ehlers/2_Oscillators/StochasticSlow_on_LaguerreRSI_Pro.mq5

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+//+------------------------------------------------------------------+
+//|                               StochasticSlow_on_LaguerreRSI_Pro.mq5 |
+//|                                          Copyright 2026, xxxxxxxx|
+//+------------------------------------------------------------------+
+#property copyright "Copyright 2026, xxxxxxxx"
+#property version   "1.10" // Renamed to full title and added volume support for VWMA slowing/signals
+#property description "Slow Stochastic applied on Laguerre RSI."
+#property description "Combines the smoothness of Laguerre RSI with Stochastic cycle detection."
+
+#property indicator_separate_window
+#property indicator_buffers 2
+#property indicator_plots   2
+#property indicator_level1 10.0
+#property indicator_level2 20.0
+#property indicator_level3 50.0
+#property indicator_level4 80.0
+#property indicator_level5 90.0
+#property indicator_levelstyle STYLE_DOT
+#property indicator_minimum 0.0
+#property indicator_maximum 100.0
+
+//--- Plot 1: %K line (Slow)
+#property indicator_label1  "Slow %K"
+#property indicator_type1   DRAW_LINE
+#property indicator_color1  clrDodgerBlue
+#property indicator_style1  STYLE_SOLID
+#property indicator_width1  1
+
+//--- Plot 2: %D line (Signal)
+#property indicator_label2  "Signal %D"
+#property indicator_type2   DRAW_LINE
+#property indicator_color2  clrCoral
+#property indicator_style2  STYLE_SOLID
+#property indicator_width2  1
+
+#include <MyIncludes\StochasticSlow_on_LaguerreRSI_Calculator.mqh>
+
+//--- Input Parameters
+input group                     "Laguerre RSI Settings"
+input double                    InpGamma         = 0.5;
+input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice   = PRICE_CLOSE_STD;
+
+input group                     "Stochastic Settings"
+input int                       InpKPeriod       = 14; // Lookback for High/Low
+input int                       InpSlowingPeriod = 3;  // Smoothing for %K (Slow)
+input int                       InpDPeriod       = 3;  // Signal Line Period
+
+input group                     "MA Types"
+input ENUM_MA_TYPE              InpSlowingMAType = SMA;
+input ENUM_MA_TYPE              InpDMAType       = SMA;
+
+//--- Buffers
+double    BufferK[];
+double    BufferD[];
+
+//--- Global Object
+CStochasticSlowOnLaguerreRSICalculator *g_calculator;
+
+//+------------------------------------------------------------------+
+//| OnInit                                                           |
+//+------------------------------------------------------------------+
+int OnInit()
+  {
+   SetIndexBuffer(0, BufferK, INDICATOR_DATA);
+   SetIndexBuffer(1, BufferD, INDICATOR_DATA);
+   ArraySetAsSeries(BufferK, false);
+   ArraySetAsSeries(BufferD, false);
+
+//--- Factory Logic
+   if(InpSourcePrice <= PRICE_HA_CLOSE)
+      g_calculator = new CStochasticSlowOnLaguerreRSICalculator_HA();
+   else
+      g_calculator = new CStochasticSlowOnLaguerreRSICalculator();
+
+//--- Initialize
+   if(CheckPointer(g_calculator) == POINTER_INVALID ||
+      !g_calculator.Init(InpGamma, InpKPeriod, InpSlowingPeriod, InpSlowingMAType, InpDPeriod, InpDMAType))
+     {
+      Print("Failed to initialize Calculator.");
+      return(INIT_FAILED);
+     }
+
+//--- Shortname
+   string type = (InpSourcePrice <= PRICE_HA_CLOSE) ? " HA" : "";
+   IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("StochSlow on LagRSI%s(%.2f, %d, %d)", type, InpGamma, InpKPeriod, InpSlowingPeriod));
+
+//--- Visuals
+   int draw_begin = InpKPeriod + InpSlowingPeriod + InpDPeriod;
+   PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, draw_begin);
+   PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, draw_begin);
+   IndicatorSetInteger(INDICATOR_DIGITS, 2);
+
+   return(INIT_SUCCEEDED);
+  }
+
+//+------------------------------------------------------------------+
+//| OnDeinit                                                         |
+//+------------------------------------------------------------------+
+void OnDeinit(const int reason)
+  {
+   if(CheckPointer(g_calculator) != POINTER_INVALID)
+      delete g_calculator;
+  }
+
+//+------------------------------------------------------------------+
+//| OnCalculate                                                      |
+//+------------------------------------------------------------------+
+int OnCalculate(const int rates_total,
+                const int prev_calculated,
+                const datetime &time[],
+                const double &open[],
+                const double &high[],
+                const double &low[],
+                const double &close[],
+                const long &tick_volume[],
+                const long &volume[],
+                const int &spread[])
+  {
+   if(rates_total < InpKPeriod)
+      return(0);
+
+   ENUM_APPLIED_PRICE price_type = (InpSourcePrice <= PRICE_HA_CLOSE) ?
+                                   (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice) :
+                                   (ENUM_APPLIED_PRICE)InpSourcePrice;
+
+//--- Determine best volume array (Use Real Volume if available, otherwise fallback to Tick Volume)
+   long volume_limit = (long)SymbolInfoDouble(_Symbol, SYMBOL_VOLUME_LIMIT);
+
+//--- Delegate calculations dynamically to support volume-weighted types (VWMA) on Slowing/Signal
+   if(volume_limit > 0)
+     {
+      g_calculator.Calculate(rates_total, prev_calculated, price_type, open, high, low, close, volume, BufferK, BufferD);
+     }
+   else
+     {
+      g_calculator.Calculate(rates_total, prev_calculated, price_type, open, high, low, close, tick_volume, BufferK, BufferD);
+     }
+
+   return(rates_total);
+  }
+//+------------------------------------------------------------------+
+//+------------------------------------------------------------------+