From 61292557bf34bbcf323935ef9d9b7fb9a48590a9 Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Mon, 1 Jun 2020 12:48:42 +0300
Subject: [PATCH] Fixed top scroll of compose controls on change of height.

---
 .../history/view/history_view_scheduled_section.cpp           | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Telegram/SourceFiles/history/view/history_view_scheduled_section.cpp b/Telegram/SourceFiles/history/view/history_view_scheduled_section.cpp
index 9af4373563..bb5626944b 100644
--- a/Telegram/SourceFiles/history/view/history_view_scheduled_section.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_scheduled_section.cpp
@@ -146,7 +146,11 @@ void ScheduledWidget::setupComposeControls() {
 
 	_composeControls->height(
 	) | rpl::start_with_next([=] {
+		const auto wasMax = (_scroll->scrollTopMax() == _scroll->scrollTop());
 		updateControlsGeometry();
+		if (wasMax) {
+			listScrollTo(_scroll->scrollTopMax());
+		}
 	}, lifetime());
 
 	_composeControls->cancelRequests(