From fcf9ca3982dbc0fd2b35149c5a9daf8af62c6f62 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Fri, 28 Oct 2022 09:54:39 +0400
Subject: [PATCH] Fix local pinned hiding in topics.

---
 Telegram/SourceFiles/history/history_widget.cpp   |  1 +
 .../history/view/history_view_replies_section.cpp | 15 ++++++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/Telegram/SourceFiles/history/history_widget.cpp b/Telegram/SourceFiles/history/history_widget.cpp
index 1a0979805..b402c9436 100644
--- a/Telegram/SourceFiles/history/history_widget.cpp
+++ b/Telegram/SourceFiles/history/history_widget.cpp
@@ -6235,6 +6235,7 @@ void HistoryWidget::checkPinnedBarState() {
 			};
 			auto destroyer = [this, object = std::move(qobject)]() mutable {
 				object = nullptr;
+				_pinnedBarHeight = 0;
 				updateHistoryGeometry();
 				updateControlsGeometry();
 			};
diff --git a/Telegram/SourceFiles/history/view/history_view_replies_section.cpp b/Telegram/SourceFiles/history/view/history_view_replies_section.cpp
index 083a8e7f5..8d18988ac 100644
--- a/Telegram/SourceFiles/history/view/history_view_replies_section.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_replies_section.cpp
@@ -1505,6 +1505,18 @@ void RepliesWidget::setupPinnedTracker() {
 		return result.fullCount().has_value();
 	}) | rpl::start_with_next([=](const SparseIdsSlice &result) {
 		_topic->setHasPinnedMessages(*result.fullCount() != 0);
+		if (result.skippedAfter() == 0) {
+			auto &settings = _history->session().settings();
+			const auto peerId = _history->peer->id;
+			const auto hiddenId = settings.hiddenPinnedMessageId(
+				peerId,
+				_rootId);
+			const auto last = result.size() ? result[result.size() - 1] : 0;
+			if (hiddenId && hiddenId != last) {
+				settings.setHiddenPinnedMessageId(peerId, _rootId, 0);
+				_history->session().saveSettingsDelayed();
+			}
+		}
 		checkPinnedBarState();
 	}, _topicLifetime);
 }
@@ -1521,7 +1533,7 @@ void RepliesWidget::checkPinnedBarState() {
 			_rootId);
 	const auto currentPinnedId = Data::ResolveTopPinnedId(peer, _rootId);
 	const auto universalPinnedId = !currentPinnedId
-		? int32(0)
+		? MsgId(0)
 		: currentPinnedId.msg;
 	if (universalPinnedId == hiddenId) {
 		if (_pinnedBar) {
@@ -1531,6 +1543,7 @@ void RepliesWidget::checkPinnedBarState() {
 			};
 			auto destroyer = [this, object = std::move(qobject)]() mutable {
 				object = nullptr;
+				_pinnedBarHeight = 0;
 				updateControlsGeometry();
 			};
 			base::call_delayed(