From dd3c8430bfe1cef3149b305b237441e536821a3e Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Tue, 1 Nov 2022 11:28:57 +0400
Subject: [PATCH] Forbid deleting the topic root.

---
 Telegram/SourceFiles/history/history_item.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Telegram/SourceFiles/history/history_item.cpp b/Telegram/SourceFiles/history/history_item.cpp
index 3bc21ef7ea..ecc1343447 100644
--- a/Telegram/SourceFiles/history/history_item.cpp
+++ b/Telegram/SourceFiles/history/history_item.cpp
@@ -838,6 +838,8 @@ bool HistoryItem::canDelete() const {
 		return false;
 	} else if (isService() && !isRegular()) {
 		return false;
+	} else if (topicRootId() == id) {
+		return false;
 	} else if (!isHistoryEntry() && !isScheduled()) {
 		return false;
 	}