From 97811aa7af37d4f1f7820e4de4f9aee8c8073c2b Mon Sep 17 00:00:00 2001 From: Toh4iem9 Date: Tue, 30 Sep 2025 09:33:38 +0200 Subject: [PATCH] new files added --- Indicators/MyIndicators/Holt_Pro.mq5 | 176 +++++++++++++++++++++++++++ 1 file changed, 176 insertions(+) create mode 100644 Indicators/MyIndicators/Holt_Pro.mq5 diff --git a/Indicators/MyIndicators/Holt_Pro.mq5 b/Indicators/MyIndicators/Holt_Pro.mq5 new file mode 100644 index 0000000..68e37f3 --- /dev/null +++ b/Indicators/MyIndicators/Holt_Pro.mq5 @@ -0,0 +1,176 @@ +//+------------------------------------------------------------------+ +//| Holt_Pro.mq5 | +//| Copyright 2025, xxxxxxxx| +//+------------------------------------------------------------------+ +#property copyright "Copyright 2025, xxxxxxxx" +#property version "4.00" +#property description "Professional Holt's Linear Trend Method, displaying either the" +#property description "MA line or a full forecast channel. Supports Standard and Heikin Ashi." + +#property indicator_chart_window +#property indicator_buffers 3 +#property indicator_plots 3 + +//--- Plot 1: Center Line (Holt MA) +#property indicator_label1 "Holt MA" +#property indicator_type1 DRAW_LINE +#property indicator_color1 clrMediumSeaGreen +#property indicator_style1 STYLE_SOLID +#property indicator_width1 2 + +//--- Plot 2: Upper Band +#property indicator_label2 "Upper Channel" +#property indicator_type2 DRAW_LINE +#property indicator_color2 clrSilver +#property indicator_style2 STYLE_DOT +#property indicator_width1 1 + +//--- Plot 3: Lower Band +#property indicator_label3 "Lower Channel" +#property indicator_type3 DRAW_LINE +#property indicator_color3 clrSilver +#property indicator_style3 STYLE_DOT +#property indicator_width2 1 + +//--- Include the calculator engine --- +#include + +//--- Enum for Display Mode --- +enum ENUM_DISPLAY_MODE + { + DISPLAY_MA_ONLY, // Display only the Holt MA line + DISPLAY_MA_AND_CHANNEL // Display the MA and the forecast channel + }; + +//--- Custom Enum for Price Source, including Heikin Ashi --- +enum ENUM_APPLIED_PRICE_HA_ALL + { +//--- Heikin Ashi Prices (negative values for easy identification) + PRICE_HA_CLOSE = -1, + PRICE_HA_OPEN = -2, + PRICE_HA_HIGH = -3, + PRICE_HA_LOW = -4, + PRICE_HA_MEDIAN = -5, + PRICE_HA_TYPICAL = -6, + PRICE_HA_WEIGHTED = -7, +//--- Standard Prices (using built-in ENUM_APPLIED_PRICE values) + PRICE_CLOSE_STD = PRICE_CLOSE, + PRICE_OPEN_STD = PRICE_OPEN, + PRICE_HIGH_STD = PRICE_HIGH, + PRICE_LOW_STD = PRICE_LOW, + PRICE_MEDIAN_STD = PRICE_MEDIAN, + PRICE_TYPICAL_STD = PRICE_TYPICAL, + PRICE_WEIGHTED_STD= PRICE_WEIGHTED + }; + +//--- Input Parameters --- +input group "Holt Model Settings" +input int InpPeriod = 20; +input double InpAlpha = 0.1; +input double InpBeta = 0.05; +input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD; +input group "Display Settings" +input ENUM_DISPLAY_MODE InpDisplayMode = DISPLAY_MA_AND_CHANNEL; +input int InpForecastPeriod = 5; // Forecast period for the channel + +//--- Indicator Buffers --- +double BufferHoltMA[]; +double BufferUpperBand[]; +double BufferLowerBand[]; + +//--- Global calculator object (as a base class pointer) --- +CHoltMACalculator *g_calculator; + +//+------------------------------------------------------------------+ +//| Custom indicator initialization function. | +//+------------------------------------------------------------------+ +int OnInit() + { +//--- Map the buffers and set as non-timeseries + SetIndexBuffer(0, BufferHoltMA, INDICATOR_DATA); + SetIndexBuffer(1, BufferUpperBand, INDICATOR_DATA); + SetIndexBuffer(2, BufferLowerBand, INDICATOR_DATA); + ArraySetAsSeries(BufferHoltMA, false); + ArraySetAsSeries(BufferUpperBand, false); + ArraySetAsSeries(BufferLowerBand, false); + +//--- Dynamically create the appropriate calculator instance + if(InpSourcePrice <= PRICE_HA_CLOSE) // Heikin Ashi source selected + { + g_calculator = new CHoltMACalculator_HA(); + IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Holt Pro HA(%d)", InpPeriod)); + } + else // Standard price source selected + { + g_calculator = new CHoltMACalculator(); + IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("Holt Pro(%d)", InpPeriod)); + } + +//--- Check if creation was successful and initialize + if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpPeriod, InpAlpha, InpBeta, InpForecastPeriod)) + { + Print("Failed to initialize Holt MA Calculator."); + return(INIT_FAILED); + } + +//--- Set indicator display properties + PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, 2); + PlotIndexSetInteger(1, PLOT_DRAW_BEGIN, 2); + PlotIndexSetInteger(2, PLOT_DRAW_BEGIN, 2); + + return(INIT_SUCCEEDED); + } + +//+------------------------------------------------------------------+ +//| Custom indicator deinitialization function. | +//+------------------------------------------------------------------+ +void OnDeinit(const int reason) + { +//--- Free the calculator object to prevent memory leaks + if(CheckPointer(g_calculator) != POINTER_INVALID) + delete g_calculator; + } + +//+------------------------------------------------------------------+ +//| Custom indicator iteration function. | +//+------------------------------------------------------------------+ +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[]) + { +//--- Ensure the calculator object is valid + if(CheckPointer(g_calculator) == POINTER_INVALID) + return 0; + +//--- Convert our custom enum to the standard ENUM_APPLIED_PRICE + ENUM_APPLIED_PRICE price_type; + if(InpSourcePrice <= PRICE_HA_CLOSE) + price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice); + else + price_type = (ENUM_APPLIED_PRICE)InpSourcePrice; + +//--- Delegate the entire calculation to our calculator object + g_calculator.Calculate(rates_total, price_type, open, high, low, close, BufferHoltMA, BufferUpperBand, BufferLowerBand); + +//--- Hide buffers based on display mode + if(InpDisplayMode == DISPLAY_MA_ONLY) + { + for(int i = 0; i < rates_total; i++) + { + BufferUpperBand[i] = EMPTY_VALUE; + BufferLowerBand[i] = EMPTY_VALUE; + } + } + +//--- Return rates_total for a full recalculation, ensuring stability + return(rates_total); + } +//+------------------------------------------------------------------+ +//+------------------------------------------------------------------+