From 62228cca17bf3228ddd05979742bb560d86deeb3 Mon Sep 17 00:00:00 2001
From: Toh4iem9 <Toh4iem9@forge.mql5.io>
Date: Mon, 13 Jul 2026 07:39:05 +0200
Subject: [PATCH] refactor: Added static EnsureHTFDataReady and automated
 OnTimerUpdate helper for MTF suites

---
 Include/MyIncludes/DataSync_Tools.mqh | 43 ++++++++++++++++++++++-----
 1 file changed, 36 insertions(+), 7 deletions(-)

diff --git a/Include/MyIncludes/DataSync_Tools.mqh b/Include/MyIncludes/DataSync_Tools.mqh
index faec093..c31b68c 100644
--- a/Include/MyIncludes/DataSync_Tools.mqh
+++ b/Include/MyIncludes/DataSync_Tools.mqh
@@ -1,18 +1,20 @@
 //+------------------------------------------------------------------+
 //|                                           DataSync_Tools.mqh     |
-//|      Helper for synchronizing Multi-Symbol Multi-TF data.        |
-//|      VERSION 1.01: Fixed type conversion warnings (uint).        |
-//|                                        Copyright 2026, xxxxxxxx  |
+//|                                          Copyright 2026, xxxxxxxx|
 //+------------------------------------------------------------------+
 #property copyright "Copyright 2026, xxxxxxxx"
+#property version   "1.10" // Added static EnsureHTFDataReady and automated OnTimerUpdate helper for MTF suites
+
+#ifndef DATA_SYNC_TOOLS_MQH
+#define DATA_SYNC_TOOLS_MQH
 
 //+------------------------------------------------------------------+
-//|                                                                  |
+//| Class CDataSync                                                  |
 //+------------------------------------------------------------------+
 class CDataSync
   {
 public:
-   //--- Ensures that data for Symbol/TF is loaded and up-to-date
+   //--- Ensures that data for Symbol/TF is loaded and up-to-date (Legacy Support)
    //--- Returns true if success, false if timeout
    static bool       EnsureDataReady(string symbol, ENUM_TIMEFRAMES tf, int bars_needed = 2, uint timeout_ms = 3000)
      {
@@ -24,10 +26,10 @@ public:
       datetime time_last = (datetime)SeriesInfoInteger(symbol, tf, SERIES_LASTBAR_DATE);
 
       // 3. Retry loop
-      uint start_tick = GetTickCount(); // Fixed type: uint
+      uint start_tick = GetTickCount();
       int available_bars = 0;
 
-      while(GetTickCount() - start_tick < timeout_ms) // Comparison is now uint vs uint
+      while(GetTickCount() - start_tick < timeout_ms)
         {
          available_bars = Bars(symbol, tf);
 
@@ -46,5 +48,32 @@ public:
       Print(StringFormat("DataSync Timeout: %s on %s. Bars: %d", symbol, EnumToString(tf), available_bars));
       return false;
      }
+
+   //--- NEW: Stateless High-Performance HTF Data Ready Checker (Used by MTF indicators)
+   static bool       EnsureHTFDataReady(const string symbol, const ENUM_TIMEFRAMES timeframe, const int required_bars)
+     {
+      ResetLastError();
+      if(!SymbolInfoInteger(symbol, SYMBOL_SELECT))
+        {
+         SymbolSelect(symbol, true);
+        }
+      datetime times[];
+      int copied = CopyTime(symbol, timeframe, 0, required_bars, times);
+      return (copied >= required_bars);
+     }
+
+   //--- NEW: Automated MTF Timer-driven Synchronisation & Redraw Daemon
+   static void       OnTimerUpdate(const string symbol, const ENUM_TIMEFRAMES timeframe, const int required_bars, bool &data_synced)
+     {
+      if(!data_synced)
+        {
+         if(EnsureHTFDataReady(symbol, timeframe, required_bars))
+           {
+            data_synced = true;
+            ChartRedraw(); // Force MetaTrader 5 to execute OnCalculate immediately
+           }
+        }
+     }
   };
+#endif // DATA_SYNC_TOOLS_MQH
 //+------------------------------------------------------------------+