//+------------------------------------------------------------------+
//|                                     ONNX Model Viewer Part 3.mq5 |
//|                           Copyright 2026, Allan Munene Mutiiria. |
//|                                   https://t.me/Forex_Algo_Trader |
//+------------------------------------------------------------------+
#property copyright "Copyright 2026, Allan Munene Mutiiria."
#property link      "https://t.me/Forex_Algo_Trader"
#property version   "1.00"
#property strict
#property description "Draw an ONNX model graph on the chart"

#include "OMV Panel.mqh"

//+------------------------------------------------------------------+
//| Inputs                                                           |
//+------------------------------------------------------------------+
input group "Model"
input string ModelFile = "ONNX Model Viewer\\model.onnx"; // Model File Path Inside MQL5 Files

//+------------------------------------------------------------------+
//| Global Variables                                                 |
//+------------------------------------------------------------------+
COmvPanel panel; // Owns the canvas, the parsed model and the event routing

//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
//--- Build the panel and read the model into it
   if(!panel.Init(ChartID(), ModelFile))
      return(INIT_FAILED);
   return(INIT_SUCCEEDED);
  }

//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
//--- Release the canvas and restore the chart
   panel.Destroy();
   ChartRedraw();
  }

//+------------------------------------------------------------------+
//| ChartEvent function                                              |
//+------------------------------------------------------------------+
void OnChartEvent(const int id, const long &lparam, const double &dparam, const string &sparam)
  {
//--- Route hover, drag and click into the panel
   panel.OnEvent(id, lparam, dparam, sparam);
  }
//+------------------------------------------------------------------+
//+------------------------------------------------------------------+