From 388e9cec09cb863d4064af39d3f696aa3ffa9a7a Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Sat, 20 Sep 2025 17:15:26 +0300
Subject: [PATCH] Respected admin rights in subsections slider for reordering.

---
 .../view/history_view_subsection_tabs.cpp       | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/Telegram/SourceFiles/history/view/history_view_subsection_tabs.cpp b/Telegram/SourceFiles/history/view/history_view_subsection_tabs.cpp
index 7ca858df2d..0c7fc83c52 100644
--- a/Telegram/SourceFiles/history/view/history_view_subsection_tabs.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_subsection_tabs.cpp
@@ -341,6 +341,19 @@ void SubsectionTabs::startScrollChecking(
 			refreshAroundMiddle(scroll, slider);
 		}
 	}, scroll->lifetime());
+
+	session().changes().peerUpdates(
+		Data::PeerUpdate::Flag::Rights
+	) | rpl::filter([=](const Data::PeerUpdate &update) {
+		return (update.peer == _history->peer);
+	}) | rpl::start_with_next([=] {
+		if (_reorder) {
+			_reorder->cancel();
+			if (_history->peer->canManageTopics()) {
+				_reorder->start();
+			}
+		}
+	}, _lifetime);
 }
 
 void SubsectionTabs::startFillingSlider(
@@ -517,7 +530,9 @@ void SubsectionTabs::startFillingSlider(
 		Assert(slider->sectionsCount() == _slice.size());
 
 		_reorder->cancel();
-		_reorder->start();
+		if (_history->peer->canManageTopics()) {
+			_reorder->start();
+		}
 
 		if (ignoreActiveScroll) {
 			Assert(scrollSavingIndex < slider->sectionsCount());