From 46011e3dc17d6bfb26243526da74ad3a303ddd53 Mon Sep 17 00:00:00 2001
From: Don Ho <don.h@free.fr>
Date: Tue, 25 Jan 2022 17:56:22 +0100
Subject: [PATCH] Add warning dialog before opening 2GB+ file

---
 PowerEditor/src/ScintillaComponent/Buffer.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/PowerEditor/src/ScintillaComponent/Buffer.cpp b/PowerEditor/src/ScintillaComponent/Buffer.cpp
index 9516a537f..8028c06c5 100644
--- a/PowerEditor/src/ScintillaComponent/Buffer.cpp
+++ b/PowerEditor/src/ScintillaComponent/Buffer.cpp
@@ -1378,6 +1378,24 @@ bool FileManager::loadFileData(Document doc, int64_t fileSize, const TCHAR * fil
 			fclose(fp);
 			return false;
 		}
+		else // x64
+		{
+			int res = pNativeSpeaker->messageBox("WantToOpenHugeFile",
+				_pNotepadPlus->_pEditView->getHSelf(),
+				TEXT("Opening a huge file of 2GB+ could take several minutes.\nDo you want to open it?"),
+				TEXT("Opening huge file warning"),
+				MB_YESNO | MB_APPLMODAL);
+
+			if (res == IDYES)
+			{
+				// Do nothing, continue the loading
+			}
+			else
+			{
+				fclose(fp);
+				return false;
+			}
+		}
 	}
 
 	//Setup scratchtilla for new filedata