From c7b3c95dc65db513c0a98a0c7868a5c8ae61046c Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Wed, 1 Feb 2023 22:01:00 +0400
Subject: [PATCH] Fix root view pinned bar glitch in comments.

---
 .../view/history_view_replies_section.cpp     | 29 ++++++++++++-------
 .../view/history_view_replies_section.h       |  1 +
 2 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/Telegram/SourceFiles/history/view/history_view_replies_section.cpp b/Telegram/SourceFiles/history/view/history_view_replies_section.cpp
index aceb70c2c4..315be0e432 100644
--- a/Telegram/SourceFiles/history/view/history_view_replies_section.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_replies_section.cpp
@@ -2259,14 +2259,16 @@ void RepliesWidget::updatePinnedVisibility() {
 void RepliesWidget::setPinnedVisibility(bool shown) {
 	if (animatingShow()) {
 		return;
-	} else if (!_topic && !_rootViewInited) {
-		const auto height = shown ? st::historyReplyHeight : 0;
-		if (const auto delta = height - _rootViewHeight) {
-			_rootViewHeight = height;
-			if (_scroll->scrollTop() == _scroll->scrollTopMax()) {
-				setGeometryWithTopMoved(geometry(), delta);
-			} else {
-				updateControlsGeometry();
+	} else if (!_topic) {
+		if (!_rootViewInitScheduled) {
+			const auto height = shown ? st::historyReplyHeight : 0;
+			if (const auto delta = height - _rootViewHeight) {
+				_rootViewHeight = height;
+				if (_scroll->scrollTop() == _scroll->scrollTopMax()) {
+					setGeometryWithTopMoved(geometry(), delta);
+				} else {
+					updateControlsGeometry();
+				}
 			}
 		}
 		if (shown) {
@@ -2275,8 +2277,15 @@ void RepliesWidget::setPinnedVisibility(bool shown) {
 			_rootView->hide();
 		}
 		_rootVisible = shown;
-		_rootView->finishAnimating();
-		_rootViewInited = true;
+		if (!_rootViewInited) {
+			_rootView->finishAnimating();
+			if (!_rootViewInitScheduled) {
+				_rootViewInitScheduled = true;
+				InvokeQueued(this, [=] {
+					_rootViewInited = true;
+				});
+			}
+		}
 	} else {
 		_rootVisible = shown;
 	}
diff --git a/Telegram/SourceFiles/history/view/history_view_replies_section.h b/Telegram/SourceFiles/history/view/history_view_replies_section.h
index 8376d80441..0f8d2e0c10 100644
--- a/Telegram/SourceFiles/history/view/history_view_replies_section.h
+++ b/Telegram/SourceFiles/history/view/history_view_replies_section.h
@@ -340,6 +340,7 @@ private:
 	std::unique_ptr<Ui::PinnedBar> _rootView;
 	int _rootViewHeight = 0;
 	bool _rootViewInited = false;
+	bool _rootViewInitScheduled = false;
 	rpl::variable<bool> _rootVisible = false;
 
 	std::unique_ptr<Ui::ScrollArea> _scroll;