From 6022fa790e515d975308a4cf2043e39c6656e50d Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Mon, 23 Mar 2020 14:09:27 +0400
Subject: [PATCH] Fix fakeUnreadWhileOpened flag reset.

---
 .../SourceFiles/window/window_session_controller.cpp   | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/Telegram/SourceFiles/window/window_session_controller.cpp b/Telegram/SourceFiles/window/window_session_controller.cpp
index 58743b6c3..b1f207821 100644
--- a/Telegram/SourceFiles/window/window_session_controller.cpp
+++ b/Telegram/SourceFiles/window/window_session_controller.cpp
@@ -257,12 +257,14 @@ const rpl::variable<Data::Folder*> &SessionController::openedFolder() const {
 }
 
 void SessionController::setActiveChatEntry(Dialogs::RowDescriptor row) {
-	if (const auto history = _activeChatEntry.current().key.history()) {
-		history->setFakeUnreadWhileOpened(false);
+	const auto was = _activeChatEntry.current().key.history();
+	const auto now = row.key.history();
+	if (was && was != now) {
+		was->setFakeUnreadWhileOpened(false);
 	}
 	_activeChatEntry = row;
-	if (const auto history = row.key.history()) {
-		history->setFakeUnreadWhileOpened(true);
+	if (now) {
+		now->setFakeUnreadWhileOpened(true);
 	}
 	if (session().supportMode()) {
 		pushToChatEntryHistory(row);