From 94f1d23788545edecafad311de029f29475ff02b Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Mon, 8 Apr 2024 04:11:52 +0300
Subject: [PATCH] Fixed behavior to open section with scheduled messages at
 top.

---
 .../history/view/history_view_scheduled_section.cpp  | 12 +++++++++---
 .../history/view/history_view_scheduled_section.h    |  2 +-
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/Telegram/SourceFiles/history/view/history_view_scheduled_section.cpp b/Telegram/SourceFiles/history/view/history_view_scheduled_section.cpp
index 188d11338..6c989fd1e 100644
--- a/Telegram/SourceFiles/history/view/history_view_scheduled_section.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_scheduled_section.cpp
@@ -58,11 +58,19 @@ namespace HistoryView {
 ScheduledMemento::ScheduledMemento(not_null<History*> history)
 : _history(history)
 , _forumTopic(nullptr) {
+	const auto list = _history->owner().scheduledMessages().list(_history);
+	if (!list.ids.empty()) {
+		_list.setScrollTopState({ .item = { .fullId = list.ids.front() } });
+	}
 }
 
 ScheduledMemento::ScheduledMemento(not_null<Data::ForumTopic*> forumTopic)
 : _history(forumTopic->owningHistory())
 , _forumTopic(forumTopic) {
+	const auto list = _history->owner().scheduledMessages().list(_forumTopic);
+	if (!list.ids.empty()) {
+		_list.setScrollTopState({ .item = { .fullId = list.ids.front() } });
+	}
 }
 
 object_ptr<Window::SectionWidget> ScheduledMemento::createWidget(
@@ -1154,9 +1162,7 @@ Context ScheduledWidget::listContext() {
 }
 
 bool ScheduledWidget::listScrollTo(int top, bool syntetic) {
-	top = (top == ScrollMax && syntetic)
-		? 0
-		: std::clamp(top, 0, _scroll->scrollTopMax());
+	top = std::clamp(top, 0, _scroll->scrollTopMax());
 	if (_scroll->scrollTop() == top) {
 		updateInnerVisibleArea();
 		return false;
diff --git a/Telegram/SourceFiles/history/view/history_view_scheduled_section.h b/Telegram/SourceFiles/history/view/history_view_scheduled_section.h
index 850e56bb7..43702688f 100644
--- a/Telegram/SourceFiles/history/view/history_view_scheduled_section.h
+++ b/Telegram/SourceFiles/history/view/history_view_scheduled_section.h
@@ -280,7 +280,7 @@ private:
 
 };
 
-class ScheduledMemento : public Window::SectionMemento {
+class ScheduledMemento final : public Window::SectionMemento {
 public:
 	ScheduledMemento(not_null<History*> history);
 	ScheduledMemento(not_null<Data::ForumTopic*> forumTopic);