//+------------------------------------------------------------------+ //| VIDYA_TrendActivity_Pro.mq5| //| Copyright 2025, xxxxxxxx| //| | //+------------------------------------------------------------------+ #property copyright "Copyright 2025, xxxxxxxx" #property version "5.01" // Corrected include paths and enum definitions #property description "Measures the trend activity of a VIDYA line with selectable" #property description "price and ATR sources (Standard or Heikin Ashi)." //--- Indicator Window and Plot Properties --- #property indicator_separate_window #property indicator_buffers 1 #property indicator_plots 1 #property indicator_type1 DRAW_HISTOGRAM #property indicator_color1 clrDodgerBlue #property indicator_width1 2 #property indicator_label1 "Activity" #property indicator_minimum 0.0 #property indicator_maximum 0.5 //--- Include the calculator engine --- #include //--- Input Parameters --- input group "VIDYA Settings" input int InpPeriodCMO = 9; input int InpPeriodEMA = 12; input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD; input group "Activity Calculation Settings" input int InpAtrPeriod = 14; input ENUM_ATR_SOURCE InpAtrSource = ATR_SOURCE_STANDARD; input int InpSmoothingPeriod = 5; //--- Indicator Buffers --- double BufferActivity[]; //--- Global calculator object (as a base class pointer) --- CVIDYATrendActivityCalculator *g_calculator; //+------------------------------------------------------------------+ //| Custom indicator initialization function. | //+------------------------------------------------------------------+ int OnInit() { SetIndexBuffer(0, BufferActivity, INDICATOR_DATA); ArraySetAsSeries(BufferActivity, false); if(InpSourcePrice <= PRICE_HA_CLOSE) { g_calculator = new CVIDYATrendActivityCalculator_HA(); IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("VIDYA Activity HA(%d)", InpPeriodCMO)); } else { g_calculator = new CVIDYATrendActivityCalculator(); IndicatorSetString(INDICATOR_SHORTNAME, StringFormat("VIDYA Activity(%d)", InpPeriodCMO)); } if(CheckPointer(g_calculator) == POINTER_INVALID || !g_calculator.Init(InpPeriodCMO, InpPeriodEMA, InpAtrPeriod, InpAtrSource, InpSmoothingPeriod)) { Print("Failed to create or initialize VIDYA Trend Activity Calculator object."); return(INIT_FAILED); } int draw_begin = InpPeriodCMO + InpPeriodEMA + InpAtrPeriod + InpSmoothingPeriod; PlotIndexSetInteger(0, PLOT_DRAW_BEGIN, draw_begin); IndicatorSetInteger(INDICATOR_DIGITS, 4); return(INIT_SUCCEEDED); } //+------------------------------------------------------------------+ //| Custom indicator deinitialization function. | //+------------------------------------------------------------------+ void OnDeinit(const int reason) { if(CheckPointer(g_calculator) != POINTER_INVALID) delete g_calculator; } //+------------------------------------------------------------------+ //| Custom indicator calculation function. | //+------------------------------------------------------------------+ 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; ENUM_APPLIED_PRICE price_type; if(InpSourcePrice <= PRICE_HA_CLOSE) price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice); else price_type = (ENUM_APPLIED_PRICE)InpSourcePrice; g_calculator.Calculate(rates_total, price_type, open, high, low, close, BufferActivity); return(rates_total); } //+------------------------------------------------------------------+ //+------------------------------------------------------------------+