Allow editing topic title and icon.

Telegram/CMakeLists.txt

@@ -178,6 +178,8 @@ PRIVATE
     boxes/peers/add_participants_box.h
     boxes/peers/edit_contact_box.cpp
     boxes/peers/edit_contact_box.h
+    boxes/peers/edit_forum_topic_box.cpp
+    boxes/peers/edit_forum_topic_box.h
     boxes/peers/edit_linked_chat_box.cpp
     boxes/peers/edit_linked_chat_box.h
     boxes/peers/edit_participant_box.cpp

Telegram/SourceFiles/boxes/peers/edit_forum_topic_box.cpp

@@ -0,0 +1,223 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "boxes/peers/edit_forum_topic_box.h"
+
+#include "ui/widgets/input_fields.h"
+#include "ui/abstract_button.h"
+#include "data/data_channel.h"
+#include "data/data_forum.h"
+#include "data/data_forum_topic.h"
+#include "data/data_session.h"
+#include "data/stickers/data_custom_emoji.h"
+#include "main/main_session.h"
+#include "history/history.h"
+#include "lang/lang_keys.h"
+#include "info/profile/info_profile_emoji_status_panel.h"
+#include "window/window_session_controller.h"
+#include "settings/settings_common.h"
+#include "apiwrap.h"
+
+namespace {
+
+[[nodiscard]] int EditIconSize() {
+	const auto tag = Data::CustomEmojiManager::SizeTag::Large;
+	return Data::FrameSizeFromTag(tag) / style::DevicePixelRatio();
+}
+
+[[nodiscard]] rpl::producer<DocumentId> EditIconButton(
+		not_null<Window::SessionController*> controller,
+		not_null<QWidget*> parent,
+		DocumentId id) {
+	using namespace Info::Profile;
+	struct State {
+		rpl::variable<DocumentId> id;
+		EmojiStatusPanel panel;
+		std::unique_ptr<Ui::Text::CustomEmoji> chosen;
+	};
+	const auto tag = Data::CustomEmojiManager::SizeTag::Large;
+	const auto size = EditIconSize();
+	const auto result = Ui::CreateChild<Ui::AbstractButton>(parent.get());
+	const auto state = result->lifetime().make_state<State>();
+	state->id.value(
+	) | rpl::start_with_next([=](DocumentId id) {
+		const auto owner = &controller->session().data();
+		state->chosen = id
+			? owner->customEmojiManager().create(
+				id,
+				[=] { result->update(); },
+				tag)
+			: nullptr;
+		result->update();
+	}, result->lifetime());
+	state->id = id;
+	state->panel.setChooseFilter([=](DocumentId) {
+		return true;
+	});
+	state->panel.setChooseCallback([=](DocumentId id) {
+		state->id = id;
+	});
+	result->resize(size, size);
+	result->paintRequest(
+	) | rpl::filter([=] {
+		return !state->panel.paintBadgeFrame(result);
+	}) | rpl::start_with_next([=](QRect clip) {
+		auto args = Ui::Text::CustomEmoji::Context{
+			.preview = st::windowBgOver->c,
+			.now = crl::now(),
+			.paused = controller->isGifPausedAtLeastFor(
+				Window::GifPauseReason::Layer),
+		};
+		auto p = QPainter(result);
+		if (state->chosen) {
+			state->chosen->paint(p, args);
+		} else {
+			p.fillRect(clip, Qt::red);
+		}
+	}, result->lifetime());
+	result->setClickedCallback([=] {
+		state->panel.show(controller, result, tag);
+	});
+	return state->id.value();
+}
+
+} // namespace
+
+void NewForumTopicBox(
+		not_null<Ui::GenericBox*> box,
+		not_null<Window::SessionController*> controller,
+		not_null<History*> forum) {
+	EditForumTopicBox(box, controller, forum, MsgId(0));
+}
+
+void EditForumTopicBox(
+		not_null<Ui::GenericBox*> box,
+		not_null<Window::SessionController*> controller,
+		not_null<History*> forum,
+		MsgId rootId) {
+	const auto creating = !rootId;
+	const auto topic = (!creating && forum->peer->forum())
+		? forum->peer->forum()->topicFor(rootId)
+		: nullptr;
+	// #TODO forum lang
+	box->setTitle(rpl::single(creating ? u"New topic"_q : u"Edit topic"_q));
+
+	struct State {
+		DocumentId iconId = 0;
+		mtpRequestId titleRequestId = 0;
+		mtpRequestId iconRequestId = 0;
+	};
+	const auto state = box->lifetime().make_state<State>();
+	// #TODO forum lang and design
+	Settings::AddSubsectionTitle(
+		box->verticalLayout(),
+		rpl::single(u"Topic Icon"_q));
+	const auto badgeWrap = box->addRow(
+		object_ptr<Ui::FixedHeightWidget>(box, EditIconSize()));
+	EditIconButton(
+		controller,
+		badgeWrap,
+		topic ? topic->iconId() : 0
+	) | rpl::start_with_next([=](DocumentId id) {
+		state->iconId = id;
+	}, box->lifetime());
+
+	const auto title = box->addRow(
+		object_ptr<Ui::InputField>(
+			box,
+			st::defaultInputField,
+			rpl::single(u"Topic Title"_q),
+			topic ? topic->title() : QString())); // #TODO forum lang
+	box->setFocusCallback([=] {
+		title->setFocusFast();
+	});
+
+	const auto requestId = std::make_shared<mtpRequestId>();
+	const auto create = [=] {
+		if (!forum->peer->isForum()) {
+			box->closeBox();
+			return;
+		} else if (title->getLastText().trimmed().isEmpty()) {
+			title->setFocus();
+			return;
+		}
+#if 0 // #TODO forum create
+		const auto randomId = base::RandomValue<uint64>();
+		const auto api = &forum->session().api();
+		api->request(MTPchannels_CreateForumTopic(
+			MTP_flags(0),
+			forum->inputChannel,
+			MTP_string(title->getLastText().trimmed()),
+			MTPlong(), // icon_emoji_id
+			MTPInputMedia(),
+			MTP_string(message->getLastText().trimmed()),
+			MTP_long(randomId),
+			MTPVector<MTPMessageEntity>(),
+			MTPInputPeer() // send_as
+		)).done([=](const MTPUpdates &result) {
+			api->applyUpdates(result, randomId);
+			box->closeBox();
+		}).fail([=](const MTP::Error &error) {
+			api->sendMessageFail(error, forum, randomId);
+		}).send();
+#endif
+	};
+
+	const auto save = [=] {
+		const auto topic = forum->peer->forum()
+			? forum->peer->forum()->topicFor(rootId)
+			: nullptr;
+		if (!topic) {
+			box->closeBox();
+			return;
+		}
+		const auto api = &forum->session().api();
+		if (state->titleRequestId <= 0) {
+			if (title->getLastText().trimmed().isEmpty()) {
+				title->setFocus();
+				return;
+			}
+			state->titleRequestId = api->request(MTPchannels_EditForumTitle(
+				topic->channel()->inputChannel,
+				MTP_int(rootId),
+				MTP_string(title->getLastText().trimmed())
+			)).done([=](const MTPUpdates &result) {
+				api->applyUpdates(result);
+				state->titleRequestId = 0;
+				if (!state->iconRequestId) {
+					box->closeBox();
+				}
+			}).fail([=](const MTP::Error &error) {
+				state->titleRequestId = -1;
+			}).send();
+		}
+		if (state->iconRequestId <= 0) {
+			state->iconRequestId = api->request(MTPchannels_EditForumIcon(
+				topic->channel()->inputChannel,
+				MTP_int(rootId),
+				MTP_long(state->iconId)
+			)).done([=](const MTPUpdates &result) {
+				api->applyUpdates(result);
+				state->iconRequestId = 0;
+				if (!state->titleRequestId) {
+					box->closeBox();
+				}
+			}).fail([=](const MTP::Error &error) {
+				state->iconRequestId = -1;
+			}).send();
+		}
+	};
+
+	if (creating) {
+		box->addButton(tr::lng_create_group_create(), create);
+	} else {
+		box->addButton(tr::lng_settings_save(), save);
+	}
+	box->addButton(tr::lng_cancel(), [=] {
+		box->closeBox();
+	});
+}

Telegram/SourceFiles/boxes/peers/edit_forum_topic_box.h

@@ -0,0 +1,27 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "ui/layers/generic_box.h"
+
+class History;
+
+namespace Window {
+class SessionController;
+} // namespace Window
+
+void NewForumTopicBox(
+	not_null<Ui::GenericBox*> box,
+	not_null<Window::SessionController*> controller,
+	not_null<History*> forum);
+
+void EditForumTopicBox(
+	not_null<Ui::GenericBox*> box,
+	not_null<Window::SessionController*> controller,
+	not_null<History*> forum,
+	MsgId rootId);

Telegram/SourceFiles/boxes/peers/edit_peer_info_box.cpp

@@ -818,7 +818,7 @@ void Controller::fillForumButton() {
 
 	AddButtonWithText(
 		_controls.buttonsLayout,
-		rpl::single(u"Forum"_q), // #TODO forum lang
+		rpl::single(u"Topics"_q), // #TODO forum lang
 		rpl::single(QString()),
 		[] {},
 		{ &st::settingsIconGroup, Settings::kIconPurple }

Telegram/SourceFiles/calls/group/calls_group_members.cpp

@@ -1258,9 +1258,7 @@ base::unique_qptr<Ui::PopupMenu> Members::Controller::createRowContextMenu(
 			result->menu(),
 			st::groupCallPopupCoverMenu,
 			st::groupCallMenuCover,
-			Info::Profile::NameValue(
-				participantPeer
-			) | rpl::map([](const auto &text) { return text.text; }),
+			Info::Profile::NameValue(participantPeer),
 			PrepareShortInfoStatus(participantPeer),
 			PrepareShortInfoUserpic(
 				participantPeer,

Telegram/SourceFiles/calls/group/calls_group_menu.cpp

@@ -182,10 +182,10 @@ void JoinAsAction::prepare() {
 	rpl::combine(
 		tr::lng_group_call_display_as_header(),
 		Info::Profile::NameValue(_peer)
-	) | rpl::start_with_next([=](QString text, TextWithEntities name) {
+	) | rpl::start_with_next([=](QString text, QString name) {
 		const auto &padding = st::groupCallJoinAsPadding;
 		_text.setMarkedText(_st.itemStyle, { text }, MenuTextOptions);
-		_name.setMarkedText(_st.itemStyle, name, MenuTextOptions);
+		_name.setMarkedText(_st.itemStyle, { name }, MenuTextOptions);
 		const auto textWidth = _text.maxWidth();
 		const auto nameWidth = _name.maxWidth();
 		const auto textLeft = padding.left()

Telegram/SourceFiles/calls/group/calls_group_panel.cpp

@@ -221,8 +221,8 @@ void Panel::migrate(not_null<ChannelData*> channel) {
 void Panel::subscribeToPeerChanges() {
 	Info::Profile::NameValue(
 		_peer
-	) | rpl::start_with_next([=](const TextWithEntities &name) {
-		window()->setTitle(name.text);
+	) | rpl::start_with_next([=](const QString &name) {
+		window()->setTitle(name);
 	}, _peerLifetime);
 }
 
@@ -2336,10 +2336,8 @@ void Panel::refreshTitle() {
 			) | rpl::map([=](not_null<Data::GroupCall*> real) {
 				return real->titleValue();
 			}) | rpl::flatten_latest())
-		) | rpl::map([=](
-				const TextWithEntities &name,
-				const QString &title) {
-			return title.isEmpty() ? name.text : title;
+		) | rpl::map([=](const QString &name, const QString &title) {
+			return title.isEmpty() ? name : title;
 		}) | rpl::after_next([=] {
 			refreshTitleGeometry();
 		});

Telegram/SourceFiles/data/data_forum.cpp

@@ -165,60 +165,4 @@ rpl::producer<> Forum::chatsListLoadedEvents() const {
 	return _chatsListLoadedEvents.events();
 }
 
-void ShowAddForumTopic(
-		not_null<Window::SessionController*> controller,
-		not_null<ChannelData*> forum) {
-	controller->show(Box([=](not_null<Ui::GenericBox*> box) {
-		box->setTitle(rpl::single(u"New Topic"_q));
-
-		const auto title = box->addRow(
-			object_ptr<Ui::InputField>(
-				box,
-				st::defaultInputField,
-				rpl::single(u"Topic Title"_q))); // #TODO forum lang
-		const auto message = box->addRow(
-			object_ptr<Ui::InputField>(
-				box,
-				st::newGroupDescription,
-				Ui::InputField::Mode::MultiLine,
-				rpl::single(u"Message"_q))); // #TODO forum lang
-		box->setFocusCallback([=] {
-			title->setFocusFast();
-		});
-		box->addButton(tr::lng_create_group_create(), [=] {
-			if (!forum->isForum()) {
-				box->closeBox();
-				return;
-			} else if (title->getLastText().trimmed().isEmpty()) {
-				title->setFocus();
-				return;
-			} else if (message->getLastText().trimmed().isEmpty()) {
-				message->setFocus();
-				return;
-			}
-			const auto randomId = base::RandomValue<uint64>();
-			const auto api = &forum->session().api();
-			api->request(MTPchannels_CreateForumTopic(
-				MTP_flags(0),
-				forum->inputChannel,
-				MTP_string(title->getLastText().trimmed()),
-				MTPlong(), // icon_emoji_id
-				MTPInputMedia(),
-				MTP_string(message->getLastText().trimmed()),
-				MTP_long(randomId),
-				MTPVector<MTPMessageEntity>(),
-				MTPInputPeer() // send_as
-			)).done([=](const MTPUpdates &result) {
-				api->applyUpdates(result, randomId);
-				box->closeBox();
-			}).fail([=](const MTP::Error &error) {
-				api->sendMessageFail(error, forum, randomId);
-			}).send();
-		});
-		box->addButton(tr::lng_cancel(), [=] {
-			box->closeBox();
-		});
-	}), Ui::LayerOption::KeepOther);
-}
-
 } // namespace Data

Telegram/SourceFiles/data/data_forum.h

@@ -59,8 +59,4 @@ private:
 
 };
 
-void ShowAddForumTopic(
-	not_null<Window::SessionController*> controller,
-	not_null<ChannelData*> forum);
-
 } // namespace Data

Telegram/SourceFiles/data/data_forum_topic.cpp

@@ -25,6 +25,10 @@ ForumTopic::ForumTopic(not_null<History*> forum, MsgId rootId)
 , _rootId(rootId) {
 }
 
+not_null<ChannelData*> ForumTopic::channel() const {
+	return _forum->peer->asChannel();
+}
+
 not_null<History*> ForumTopic::forum() const {
 	return _forum;
 }
@@ -38,6 +42,11 @@ void ForumTopic::applyTopic(const MTPForumTopic &topic) {
 
 	const auto &data = topic.data();
 	applyTitle(qs(data.vtitle()));
+	if (const auto iconId = data.vicon_emoji_id()) {
+		applyIconId(iconId->v);
+	} else {
+		applyIconId(0);
+	}
 
 	const auto pinned = _list->pinned();
 #if 0 // #TODO forum pinned
@@ -242,6 +251,10 @@ bool ForumTopic::lastServerMessageKnown() const {
 	return _lastServerMessage.has_value();
 }
 
+QString ForumTopic::title() const {
+	return _title;
+}
+
 void ForumTopic::applyTitle(const QString &title) {
 	if (_title == title || (isGeneral() && !_title.isEmpty())) {
 		return;
@@ -252,6 +265,15 @@ void ForumTopic::applyTitle(const QString &title) {
 	updateChatListEntry();
 }
 
+DocumentId ForumTopic::iconId() const {
+	return _iconId;
+}
+
+void ForumTopic::applyIconId(DocumentId iconId) {
+	_iconId = iconId;
+	updateChatListEntry();
+}
+
 void ForumTopic::applyItemAdded(not_null<HistoryItem*> item) {
 	setLastMessage(item);
 }

Telegram/SourceFiles/data/data_forum_topic.h

@@ -33,6 +33,7 @@ public:
 	ForumTopic(const ForumTopic &) = delete;
 	ForumTopic &operator=(const ForumTopic &) = delete;
 
+	[[nodiscard]] not_null<ChannelData*> channel() const;
 	[[nodiscard]] not_null<History*> forum() const;
 	[[nodiscard]] MsgId rootId() const;
 	[[nodiscard]] bool isGeneral() const {
@@ -62,7 +63,10 @@ public:
 	[[nodiscard]] bool lastMessageKnown() const;
 	[[nodiscard]] bool lastServerMessageKnown() const;
 
+	[[nodiscard]] QString title() const;
 	void applyTitle(const QString &title);
+	[[nodiscard]] DocumentId iconId() const;
+	void applyIconId(DocumentId iconId);
 	void applyItemAdded(not_null<HistoryItem*> item);
 	void applyItemRemoved(MsgId id);
 
@@ -108,6 +112,7 @@ private:
 	const MsgId _rootId = 0;
 
 	QString _title;
+	DocumentId _iconId = 0;
 	base::flat_set<QString> _titleWords;
 	base::flat_set<QChar> _titleFirstLetters;
 	int _titleVersion = 0;

Telegram/SourceFiles/dialogs/dialogs_inner_widget.cpp

@@ -54,6 +54,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/empty_userpic.h"
 #include "ui/unread_badge.h"
 #include "boxes/filters/edit_filter_box.h"
+#include "boxes/peers/edit_forum_topic_box.h"
 #include "api/api_chat_filters.h"
 #include "base/qt/qt_common_adapters.h"
 #include "styles/style_dialogs.h"
@@ -2411,7 +2412,8 @@ void InnerWidget::refreshEmptyLabel() {
 		} else if (_emptyState == EmptyState::EmptyFolder) {
 			editOpenedFilter();
 		} else if (_emptyState == EmptyState::EmptyForum) {
-			Data::ShowAddForumTopic(_controller, _openedForum->channel());
+			_controller->show(
+				Box(NewForumTopicBox, _controller, _openedForum->history()));
 		}
 	});
 	_empty->setVisible(_state == WidgetState::Default);
@@ -3287,9 +3289,10 @@ void InnerWidget::setupShortcuts() {
 		});
 		request->check(Command::ChatSelf) && request->handle([=] {
 			if (_openedForum) {
-				Data::ShowAddForumTopic(
+				_controller->show(Box(
+					NewForumTopicBox,
 					_controller,
-					_openedForum->channel());
+					_openedForum->history()));
 			} else {
 				_controller->content()->choosePeer(
 					session().userPeerId(),

Telegram/SourceFiles/dialogs/dialogs_key.cpp

@@ -55,8 +55,17 @@ ForumTopic *Key::topic() const {
 	return _value ? _value->asTopic() : nullptr;
 }
 
+History *Key::parentHistory() const {
+	if (const auto result = history()) {
+		return result;
+	} else if (const auto child = topic()) {
+		return child->forum();
+	}
+	return nullptr;
+}
+
 PeerData *Key::peer() const {
-	if (const auto history = this->history()) {
+	if (const auto history = parentHistory()) {
 		return history->peer;
 	}
 	return nullptr;

Telegram/SourceFiles/dialogs/dialogs_key.h

@@ -42,6 +42,7 @@ public:
 	History *history() const;
 	Data::Folder *folder() const;
 	Data::ForumTopic *topic() const;
+	History *parentHistory() const;
 	PeerData *peer() const;
 
 	inline bool operator<(const Key &other) const {

Telegram/SourceFiles/dialogs/dialogs_widget.cpp

@@ -386,7 +386,9 @@ void Widget::chosenRow(const ChosenRow &row) {
 	if (const auto topic = row.key.topic()) {
 		controller()->showRepliesForMessage(
 			topic->forum(),
-			topic->rootId());
+			topic->rootId(),
+			ShowAtUnreadMsgId,
+			Window::SectionShow::Way::ClearStack);
 	} else if (history && history->peer->isForum()) {
 		controller()->openForum(history->peer->asChannel());
 	} else if (history) {

Telegram/SourceFiles/history/view/history_view_replies_section.cpp

@@ -453,7 +453,9 @@ Data::ForumTopic *RepliesWidget::lookupTopic() {
 			).done([=](const MTPmessages_ForumTopics &result) {
 				if (const auto forum = _history->peer->forum()) {
 					forum->applyReceivedTopics(result);
-					_topic = forum->topicFor(_rootId);
+					if ((_topic = forum->topicFor(_rootId))) {
+						refreshTopBarActiveChat();
+					}
 				}
 				_resolveTopicRequestId = 0;
 			}).fail([=] {
@@ -1310,9 +1312,10 @@ SendMenu::Type RepliesWidget::sendMenuType() const {
 }
 
 void RepliesWidget::refreshTopBarActiveChat() {
-	const auto state = Dialogs::EntryState{
-		.key = _history,
-		.section = Dialogs::EntryState::Section::Replies,
+	using namespace Dialogs;
+	const auto state = EntryState{
+		.key = (_topic ? Key{ _topic } : Key{ _history }),
+		.section = EntryState::Section::Replies,
 		.rootId = _rootId,
 		.currentReplyToId = _composeControls->replyingToMessage().msg,
 	};

Telegram/SourceFiles/history/view/history_view_top_bar_widget.cpp

@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "history/view/history_view_top_bar_widget.h"
 
-#include <rpl/combine.h>
-#include <rpl/combine_previous.h>
 #include "history/history.h"
 #include "history/view/history_view_send_action.h"
 #include "boxes/add_contact_box.h"
@@ -48,6 +46,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_chat.h"
 #include "data/data_user.h"
 #include "data/data_changes.h"
+#include "data/data_forum_topic.h"
 #include "data/data_send_action.h"
 #include "chat_helpers/emoji_interactions.h"
 #include "base/unixtime.h"
@@ -474,7 +473,27 @@ void TopBarWidget::paintTopBar(Painter &p) {
 	const auto now = crl::now();
 	const auto history = _activeChat.key.history();
 	const auto folder = _activeChat.key.folder();
-	if (folder
+	if (const auto topic = _activeChat.key.topic()) {
+		p.setPen(st::dialogsNameFg);
+		topic->chatListNameText().drawElided(
+			p,
+			nameleft,
+			nametop,
+			availableWidth);
+
+		p.setFont(st::dialogsTextFont);
+		if (!paintConnectingState(p, nameleft, statustop, width())
+			&& !paintSendAction(
+				p,
+				nameleft,
+				statustop,
+				availableWidth,
+				width(),
+				st::historyStatusFgTyping,
+				now)) {
+			paintStatus(p, nameleft, statustop, availableWidth, width());
+		}
+	} else if (folder
 		|| history->peer->sharedMediaInfo()
 		|| (_activeChat.section == Section::Scheduled)
 		|| (_activeChat.section == Section::Pinned)
@@ -673,6 +692,8 @@ void TopBarWidget::infoClicked() {
 		return;
 	} else if (key.folder()) {
 		_controller->closeFolder();
+	} else if (const auto topic = key.topic()) {
+		_controller->showSection(std::make_shared<Info::Memento>(topic));
 	} else if (key.peer()->isSelf()) {
 		_controller->showSection(std::make_shared<Info::Memento>(
 			key.peer(),
@@ -706,6 +727,8 @@ void TopBarWidget::setActiveChat(
 		_activeChat = activeChat;
 		return;
 	}
+	const auto topicChanged = (_activeChat.key.topic()
+		!= activeChat.key.topic());
 	const auto peerChanged = (_activeChat.key.history()
 		!= activeChat.key.history());
 
@@ -715,12 +738,12 @@ void TopBarWidget::setActiveChat(
 	_back->clearState();
 	update();
 
-	if (peerChanged) {
+	if (peerChanged || topicChanged) {
 		_titleBadge.unload();
 		_titleNameVersion = 0;
 		_emojiInteractionSeen = nullptr;
 		_activeChatLifetime.destroy();
-		if (const auto history = _activeChat.key.history()) {
+		if (const auto history = _activeChat.key.parentHistory()) {
 			session().changes().peerFlagsValue(
 				history->peer,
 				Data::PeerUpdate::Flag::GroupCall
@@ -737,7 +760,9 @@ void TopBarWidget::setActiveChat(
 				updateControlsVisibility();
 				updateControlsGeometry();
 			}, _activeChatLifetime);
+		}
 
+		if (const auto history = _activeChat.key.history()) {
 			using InteractionSeen = ChatHelpers::EmojiInteractionSeen;
 			_controller->emojiInteractions().seen(
 			) | rpl::filter([=](const InteractionSeen &seen) {

Telegram/SourceFiles/info/info_content_widget.cpp

@@ -7,9 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "info/info_content_widget.h"
 
-#include <rpl/never.h>
-#include <rpl/combine.h>
-#include <rpl/range.h>
 #include "window/window_session_controller.h"
 #include "ui/widgets/scroll_area.h"
 #include "ui/widgets/input_fields.h"
@@ -23,7 +20,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "info/info_section_widget.h"
 #include "info/info_controller.h"
 #include "boxes/peer_list_box.h"
+#include "data/data_chat.h"
 #include "data/data_session.h"
+#include "data/data_forum_topic.h"
+#include "history/history.h"
 #include "main/main_session.h"
 #include "styles/style_info.h"
 #include "styles/style_profile.h"
@@ -323,7 +323,9 @@ rpl::producer<bool> ContentWidget::desiredBottomShadowVisibility() const {
 }
 
 Key ContentMemento::key() const {
-	if (const auto peer = this->peer()) {
+	if (const auto topic = this->topic()) {
+		return Key(topic);
+	} else if (const auto peer = this->peer()) {
 		return Key(peer);
 	} else if (const auto poll = this->poll()) {
 		return Key(poll, pollContextId());
@@ -334,6 +336,12 @@ Key ContentMemento::key() const {
 	}
 }
 
+ContentMemento::ContentMemento(not_null<Data::ForumTopic*> topic)
+: _peer(topic->forum()->peer)
+, _migratedPeerId(_peer->migrateFrom() ? _peer->migrateFrom()->id : 0)
+, _topic(topic) {
+}
+
 ContentMemento::ContentMemento(Settings::Tag settings)
 : _settingsSelf(settings.self.get()) {
 }

Telegram/SourceFiles/info/info_content_widget.h

@@ -148,6 +148,7 @@ public:
 	: _peer(peer)
 	, _migratedPeerId(migratedPeerId) {
 	}
+	explicit ContentMemento(not_null<Data::ForumTopic*> topic);
 	explicit ContentMemento(Settings::Tag settings);
 	explicit ContentMemento(Downloads::Tag downloads);
 	ContentMemento(not_null<PollData*> poll, FullMsgId contextId)
@@ -166,6 +167,9 @@ public:
 	PeerId migratedPeerId() const {
 		return _migratedPeerId;
 	}
+	Data::ForumTopic *topic() const {
+		return _topic;
+	}
 	UserData *settingsSelf() const {
 		return _settingsSelf;
 	}
@@ -209,6 +213,7 @@ public:
 private:
 	PeerData * const _peer = nullptr;
 	const PeerId _migratedPeerId = 0;
+	Data::ForumTopic * const _topic = nullptr;
 	UserData * const _settingsSelf = nullptr;
 	PollData * const _poll = nullptr;
 	const FullMsgId _pollContextId;

Telegram/SourceFiles/info/info_controller.cpp

@@ -7,8 +7,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "info/info_controller.h"
 
-#include <rpl/range.h>
-#include <rpl/then.h>
 #include "ui/search_field_controller.h"
 #include "data/data_shared_media.h"
 #include "info/info_content_widget.h"
@@ -19,6 +17,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_peer.h"
 #include "data/data_channel.h"
 #include "data/data_chat.h"
+#include "data/data_forum_topic.h"
 #include "data/data_session.h"
 #include "data/data_media_types.h"
 #include "data/data_download_manager.h"
@@ -32,6 +31,9 @@ namespace Info {
 Key::Key(not_null<PeerData*> peer) : _value(peer) {
 }
 
+Key::Key(not_null<Data::ForumTopic*> topic) : _value(topic) {
+}
+
 Key::Key(Settings::Tag settings) : _value(settings) {
 }
 
@@ -45,6 +47,16 @@ Key::Key(not_null<PollData*> poll, FullMsgId contextId)
 PeerData *Key::peer() const {
 	if (const auto peer = std::get_if<not_null<PeerData*>>(&_value)) {
 		return *peer;
+	} else if (const auto topic = this->topic()) {
+		return topic->forum()->peer;
+	}
+	return nullptr;
+}
+
+Data::ForumTopic *Key::topic() const {
+	if (const auto topic = std::get_if<not_null<Data::ForumTopic*>>(
+			&_value)) {
+		return *topic;
 	}
 	return nullptr;
 }

Telegram/SourceFiles/info/info_controller.h

@@ -7,16 +7,18 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#include <rpl/variable.h>
 #include "data/data_search_controller.h"
 #include "window/window_session_controller.h"
 
+namespace Data {
+class ForumTopic;
+} // namespace Data
+
 namespace Ui {
 class SearchFieldController;
 } // namespace Ui
 
-namespace Info {
-namespace Settings {
+namespace Info::Settings {
 
 struct Tag {
 	explicit Tag(not_null<UserData*> self) : self(self) {
@@ -25,23 +27,27 @@ struct Tag {
 	not_null<UserData*> self;
 };
 
-} // namespace Settings
+} // namespace Info::Settings
 
-namespace Downloads {
+namespace Info::Downloads {
 
 struct Tag {
 };
 
-} // namespace Downloads
+} // namespace Info::Downloads
+
+namespace Info {
 
 class Key {
 public:
-	Key(not_null<PeerData*> peer);
+	explicit Key(not_null<PeerData*> peer);
+	explicit Key(not_null<Data::ForumTopic*> topic);
 	Key(Settings::Tag settings);
 	Key(Downloads::Tag downloads);
 	Key(not_null<PollData*> poll, FullMsgId contextId);
 
 	PeerData *peer() const;
+	Data::ForumTopic *topic() const;
 	UserData *settingsSelf() const;
 	bool isDownloads() const;
 	PollData *poll() const;
@@ -54,6 +60,7 @@ private:
 	};
 	std::variant<
 		not_null<PeerData*>,
+		not_null<Data::ForumTopic*>,
 		Settings::Tag,
 		Downloads::Tag,
 		PollKey> _value;

Telegram/SourceFiles/info/info_memento.cpp

@@ -33,6 +33,14 @@ Memento::Memento(not_null<PeerData*> peer, Section section)
 : Memento(DefaultStack(peer, section)) {
 }
 
+Memento::Memento(not_null<Data::ForumTopic*> topic)
+: Memento(topic, Section::Type::Profile) {
+}
+
+Memento::Memento(not_null<Data::ForumTopic*> topic, Section section)
+: Memento(DefaultStack(topic, section)) {
+}
+
 Memento::Memento(Settings::Tag settings, Section section)
 : Memento(DefaultStack(settings, section)) {
 }
@@ -53,6 +61,14 @@ std::vector<std::shared_ptr<ContentMemento>> Memento::DefaultStack(
 	return result;
 }
 
+std::vector<std::shared_ptr<ContentMemento>> Memento::DefaultStack(
+		not_null<Data::ForumTopic*> topic,
+		Section section) {
+	auto result = std::vector<std::shared_ptr<ContentMemento>>();
+	result.push_back(DefaultContent(topic, section));
+	return result;
+}
+
 std::vector<std::shared_ptr<ContentMemento>> Memento::DefaultStack(
 		Settings::Tag settings,
 		Section section) {
@@ -111,6 +127,18 @@ std::shared_ptr<ContentMemento> Memento::DefaultContent(
 	Unexpected("Wrong section type in Info::Memento::DefaultContent()");
 }
 
+std::shared_ptr<ContentMemento> Memento::DefaultContent(
+		not_null<Data::ForumTopic*> topic,
+		Section section) {
+	switch (section.type()) {
+	case Section::Type::Profile:
+		return std::make_shared<Profile::Memento>(topic);
+	case Section::Type::Media:
+		return std::make_shared<Media::Memento>(topic, section.mediaType());
+	}
+	Unexpected("Wrong section type in Info::Memento::DefaultContent()");
+}
+
 object_ptr<Window::SectionWidget> Memento::createWidget(
 		QWidget *parent,
 		not_null<Window::SessionController*> controller,

Telegram/SourceFiles/info/info_memento.h

@@ -17,6 +17,10 @@ namespace Storage {
 enum class SharedMediaType : signed char;
 } // namespace Storage
 
+namespace Data {
+class ForumTopic;
+} // namespace Data
+
 namespace Ui {
 class ScrollArea;
 struct ScrollToRequest;
@@ -38,6 +42,8 @@ class Memento final : public Window::SectionMemento {
 public:
 	explicit Memento(not_null<PeerData*> peer);
 	Memento(not_null<PeerData*> peer, Section section);
+	explicit Memento(not_null<Data::ForumTopic*> topic);
+	Memento(not_null<Data::ForumTopic*> topic, Section section);
 	Memento(Settings::Tag settings, Section section);
 	Memento(not_null<PollData*> poll, FullMsgId contextId);
 	explicit Memento(std::vector<std::shared_ptr<ContentMemento>> stack);
@@ -72,6 +78,9 @@ private:
 	static std::vector<std::shared_ptr<ContentMemento>> DefaultStack(
 		not_null<PeerData*> peer,
 		Section section);
+	static std::vector<std::shared_ptr<ContentMemento>> DefaultStack(
+		not_null<Data::ForumTopic*> topic,
+		Section section);
 	static std::vector<std::shared_ptr<ContentMemento>> DefaultStack(
 		Settings::Tag settings,
 		Section section);
@@ -82,6 +91,9 @@ private:
 	static std::shared_ptr<ContentMemento> DefaultContent(
 		not_null<PeerData*> peer,
 		Section section);
+	static std::shared_ptr<ContentMemento> DefaultContent(
+		not_null<Data::ForumTopic*> topic,
+		Section section);
 
 	std::vector<std::shared_ptr<ContentMemento>> _stack;
 

Telegram/SourceFiles/info/info_wrap_widget.cpp

@@ -541,10 +541,13 @@ void WrapWidget::showTopBarMenu(bool check) {
 			[=] { deleteAllDownloads(); },
 			&st::menuIconDelete);
 	} else if (const auto peer = key().peer()) {
+		const auto topic = key().topic();
 		Window::FillDialogsEntryMenu(
 			_controller->parentController(),
 			Dialogs::EntryState{
-				.key = peer->owner().history(peer),
+				.key = (topic
+					? Dialogs::Key{ topic }
+					: Dialogs::Key{ peer->owner().history(peer) }),
 				.section = Dialogs::EntryState::Section::Profile,
 			},
 			addAction);

Telegram/SourceFiles/info/media/info_media_widget.cpp

@@ -18,8 +18,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lang/lang_keys.h"
 #include "styles/style_info.h"
 
-namespace Info {
-namespace Media {
+namespace Info::Media {
 
 std::optional<int> TypeToTabIndex(Type type) {
 	switch (type) {
@@ -61,6 +60,17 @@ Memento::Memento(not_null<PeerData*> peer, PeerId migratedPeerId, Type type)
 	}
 }
 
+Memento::Memento(not_null<Data::ForumTopic*> topic, Type type)
+: ContentMemento(topic)
+, _type(type) {
+	_searchState.query.type = type; // #TODO forum search
+	_searchState.query.peerId = peer()->id;
+	_searchState.query.migratedPeerId = migratedPeerId();
+	if (migratedPeerId()) {
+		_searchState.migratedList = Storage::SparseIdsList();
+	}
+}
+
 Section Memento::section() const {
 	return Section(_type);
 }
@@ -162,5 +172,4 @@ void Widget::restoreState(not_null<Memento*> memento) {
 	_inner->restoreState(memento);
 }
 
-} // namespace Media
-} // namespace Info
+} // namespace Info::Media

Telegram/SourceFiles/info/media/info_media_widget.h

@@ -7,13 +7,15 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#include <rpl/producer.h>
 #include "info/info_content_widget.h"
 #include "storage/storage_shared_media.h"
 #include "data/data_search_controller.h"
 
-namespace Info {
-namespace Media {
+namespace Data {
+class ForumTopic;
+} // namespace Data
+
+namespace Info::Media {
 
 using Type = Storage::SharedMediaType;
 
@@ -24,8 +26,9 @@ class InnerWidget;
 
 class Memento final : public ContentMemento {
 public:
-	Memento(not_null<Controller*> controller);
+	explicit Memento(not_null<Controller*> controller);
 	Memento(not_null<PeerData*> peer, PeerId migratedPeerId, Type type);
+	Memento(not_null<Data::ForumTopic*> peer, Type type);
 
 	using SearchState = Api::DelayedSearchController::SavedState;
 
@@ -120,5 +123,4 @@ private:
 
 };
 
-} // namespace Media
-} // namespace Info
+} // namespace Info::Media

Telegram/SourceFiles/info/profile/info_profile_cover.cpp

@@ -70,11 +70,7 @@ Cover::Cover(
 	QWidget *parent,
 	not_null<PeerData*> peer,
 	not_null<Window::SessionController*> controller)
-: Cover(parent, peer, controller, NameValue(
-	peer
-) | rpl::map([=](const TextWithEntities &name) {
-	return name.text;
-})) {
+: Cover(parent, peer, controller, NameValue(peer)) {
 }
 
 Cover::Cover(

Telegram/SourceFiles/info/profile/info_profile_emoji_status_panel.cpp

@@ -171,6 +171,14 @@ EmojiStatusPanel::EmojiStatusPanel() = default;
 
 EmojiStatusPanel::~EmojiStatusPanel() = default;
 
+void EmojiStatusPanel::setChooseFilter(Fn<bool(DocumentId)> filter) {
+	_chooseFilter = std::move(filter);
+}
+
+void EmojiStatusPanel::setChooseCallback(Fn<void(DocumentId)> callback) {
+	_chooseCallback = std::move(callback);
+}
+
 void EmojiStatusPanel::show(
 		not_null<Window::SessionController*> controller,
 		not_null<QWidget*> button,
@@ -278,32 +286,48 @@ void EmojiStatusPanel::create(
 		return Chosen{ .animation = data.messageSendingFrom };
 	});
 
-	const auto set = [=](Chosen chosen) {
+	const auto accept = [=](Chosen chosen) {
 		Expects(chosen.until != Selector::kPickCustomTimeId);
 
 		const auto owner = &controller->session().data();
 		startAnimation(owner, body, chosen.id, chosen.animation);
-		owner->emojiStatuses().set(chosen.id, chosen.until);
+		if (_chooseCallback) {
+			_chooseCallback(chosen.id);
+		} else {
+			owner->emojiStatuses().set(chosen.id, chosen.until);
+		}
 	};
 
 	rpl::merge(
 		std::move(statusChosen),
 		std::move(emojiChosen)
-	) | rpl::start_with_next([=](const Chosen chosen) {
-		if (chosen.id && !controller->session().premium()) {
-			ShowPremiumPreviewBox(controller, PremiumPreview::EmojiStatus);
-		} else if (chosen.until == Selector::kPickCustomTimeId) {
+	) | rpl::filter([=](const Chosen &chosen) {
+		return filter(controller, chosen.id);
+	}) | rpl::start_with_next([=](const Chosen &chosen) {
+		if (chosen.until == Selector::kPickCustomTimeId) {
 			_panel->hideAnimated();
 			controller->show(Box(PickUntilBox, [=](TimeId seconds) {
-				set({ chosen.id, base::unixtime::now() + seconds });
+				accept({ chosen.id, base::unixtime::now() + seconds });
 			}));
 		} else {
-			set(chosen);
+			accept(chosen);
 			_panel->hideAnimated();
 		}
 	}, _panel->lifetime());
 }
 
+bool EmojiStatusPanel::filter(
+		not_null<Window::SessionController*> controller,
+		DocumentId chosenId) const {
+	if (_chooseFilter) {
+		return _chooseFilter(chosenId);
+	} else if (chosenId && !controller->session().premium()) {
+		ShowPremiumPreviewBox(controller, PremiumPreview::EmojiStatus);
+		return false;
+	}
+	return true;
+}
+
 void EmojiStatusPanel::startAnimation(
 		not_null<Data::Session*> owner,
 		not_null<Ui::RpWidget*> body,

Telegram/SourceFiles/info/profile/info_profile_emoji_status_panel.h

@@ -39,6 +39,9 @@ public:
 	EmojiStatusPanel();
 	~EmojiStatusPanel();
 
+	void setChooseFilter(Fn<bool(DocumentId)> filter);
+	void setChooseCallback(Fn<void(DocumentId)> callback);
+
 	void show(
 		not_null<Window::SessionController*> controller,
 		not_null<QWidget*> button,
@@ -50,6 +53,9 @@ private:
 	class Animation;
 
 	void create(not_null<Window::SessionController*> controller);
+	[[nodiscard]] bool filter(
+		not_null<Window::SessionController*> controller,
+		DocumentId chosenId) const;
 
 	void startAnimation(
 		not_null<Data::Session*> owner,
@@ -58,6 +64,8 @@ private:
 		Ui::MessageSendingAnimationFrom from);
 
 	base::unique_qptr<ChatHelpers::TabbedPanel> _panel;
+	Fn<bool(DocumentId)> _chooseFilter;
+	Fn<void(DocumentId)> _chooseCallback;
 	QPointer<QWidget> _panelButton;
 	std::unique_ptr<Animation> _animation;
 	Data::CustomEmojiSizeTag _animationSizeTag = {};

Telegram/SourceFiles/info/profile/info_profile_inner_widget.cpp

@@ -51,6 +51,7 @@ InnerWidget::InnerWidget(
 , _controller(controller)
 , _peer(_controller->key().peer())
 , _migrated(_controller->migrated())
+, _topic(_controller->key().topic())
 , _content(setupContent(this)) {
 	_content->heightValue(
 	) | rpl::start_with_next([this](int height) {
@@ -67,15 +68,21 @@ object_ptr<Ui::RpWidget> InnerWidget::setupContent(
 	_cover = result->add(object_ptr<Cover>(
 		result,
 		_peer,
-		_controller->parentController()));
+		_controller->parentController(),
+		_topic ? TitleValue(_topic) : NameValue(_peer)));
 	_cover->showSection(
 	) | rpl::start_with_next([=](Section section) {
 		_controller->showSection(
 			std::make_shared<Info::Memento>(_peer, section));
 	}, _cover->lifetime());
 	_cover->setOnlineCount(rpl::single(0));
-	auto details = SetupDetails(_controller, parent, _peer);
-	result->add(std::move(details));
+	if (_topic) {
+		// #TODO forum
+		//result->add(setupSharedMedia(result.data()));
+		return result;
+	}
+
+	result->add(SetupDetails(_controller, parent, _peer));
 	result->add(setupSharedMedia(result.data()));
 	if (auto members = SetupChannelMembers(_controller, result.data(), _peer)) {
 		result->add(std::move(members));

Telegram/SourceFiles/info/profile/info_profile_inner_widget.h

@@ -10,7 +10,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/rp_widget.h"
 #include "base/object_ptr.h"
 
-#include <rpl/variable.h>
+namespace Data {
+class ForumTopic;
+} // namespace Data
 
 namespace Window {
 class SessionController;
@@ -65,6 +67,7 @@ private:
 	const not_null<Controller*> _controller;
 	const not_null<PeerData*> _peer;
 	PeerData * const _migrated = nullptr;
+	Data::ForumTopic * const _topic = nullptr;
 
 	Members *_members = nullptr;
 	Cover *_cover = nullptr;

Telegram/SourceFiles/info/profile/info_profile_values.cpp

@@ -25,6 +25,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_channel.h"
 #include "data/data_chat.h"
 #include "data/data_user.h"
+#include "data/data_forum_topic.h"
 #include "data/data_session.h"
 #include "data/data_premium_limits.h"
 #include "boxes/peers/edit_peer_permissions_box.h"
@@ -74,13 +75,15 @@ void StripExternalLinks(TextWithEntities &text) {
 
 } // namespace
 
-rpl::producer<TextWithEntities> NameValue(not_null<PeerData*> peer) {
+rpl::producer<QString> NameValue(not_null<PeerData*> peer) {
 	return peer->session().changes().peerFlagsValue(
 		peer,
 		UpdateFlag::Name
-	) | rpl::map([=] {
-		return peer->name();
-	}) | Ui::Text::ToWithEntities();
+	) | rpl::map([=] { return peer->name(); });
+}
+
+rpl::producer<QString> TitleValue(not_null<Data::ForumTopic*> topic) {
+	return rpl::single(topic->title()); // #TODO forum title changes
 }
 
 rpl::producer<TextWithEntities> PhoneValue(not_null<UserData*> user) {

Telegram/SourceFiles/info/profile/info_profile_values.h

@@ -14,6 +14,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 struct ChannelLocation;
 
+namespace Data {
+class ForumTopic;
+} // namespace Data
+
 namespace Main {
 class Session;
 } // namespace Main
@@ -28,8 +32,7 @@ namespace Storage {
 enum class SharedMediaType : signed char;
 } // namespace Storage
 
-namespace Info {
-namespace Profile {
+namespace Info::Profile {
 
 inline auto ToSingleLine() {
 	return rpl::map([](const QString &text) {
@@ -40,8 +43,9 @@ inline auto ToSingleLine() {
 rpl::producer<not_null<PeerData*>> MigratedOrMeValue(
 	not_null<PeerData*> peer);
 
-[[nodiscard]] rpl::producer<TextWithEntities> NameValue(
-	not_null<PeerData*> peer);
+[[nodiscard]] rpl::producer<QString> NameValue(not_null<PeerData*> peer);
+[[nodiscard]] rpl::producer<QString> TitleValue(
+	not_null<Data::ForumTopic*> topic);
 [[nodiscard]] rpl::producer<TextWithEntities> PhoneValue(
 	not_null<UserData*> user);
 [[nodiscard]] rpl::producer<TextWithEntities> PhoneOrHiddenValue(
@@ -95,5 +99,4 @@ enum class BadgeType;
 [[nodiscard]] rpl::producer<DocumentId> EmojiStatusIdValue(
 	not_null<PeerData*> peer);
 
-} // namespace Profile
-} // namespace Info
+} // namespace Info::Profile

Telegram/SourceFiles/info/profile/info_profile_widget.cpp

@@ -17,8 +17,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lang/lang_keys.h"
 #include "info/info_controller.h"
 
-namespace Info {
-namespace Profile {
+namespace Info::Profile {
 
 Memento::Memento(not_null<Controller*> controller)
 : Memento(
@@ -30,6 +29,10 @@ Memento::Memento(not_null<PeerData*> peer, PeerId migratedPeerId)
 : ContentMemento(peer, migratedPeerId) {
 }
 
+Memento::Memento(not_null<Data::ForumTopic*> topic)
+: ContentMemento(topic) {
+}
+
 Section Memento::section() const {
 	return Section(Section::Type::Profile);
 }
@@ -38,9 +41,7 @@ object_ptr<ContentWidget> Memento::createWidget(
 		QWidget *parent,
 		not_null<Controller*> controller,
 		const QRect &geometry) {
-	auto result = object_ptr<Widget>(
-		parent,
-		controller);
+	auto result = object_ptr<Widget>(parent, controller);
 	result->setInternalState(geometry, this);
 	return result;
 }
@@ -55,9 +56,7 @@ std::unique_ptr<MembersState> Memento::membersState() {
 
 Memento::~Memento() = default;
 
-Widget::Widget(
-	QWidget *parent,
-	not_null<Controller*> controller)
+Widget::Widget(QWidget *parent, not_null<Controller*> controller)
 : ContentWidget(parent, controller) {
 	controller->setSearchEnabledByContent(false);
 
@@ -81,6 +80,9 @@ void Widget::setInnerFocus() {
 }
 
 rpl::producer<QString> Widget::title() {
+	if (const auto topic = controller()->key().topic()) {
+		return rpl::single(u"Topic Info"_q); // #TODO forum lang
+	}
 	const auto peer = controller()->key().peer();
 	if (const auto user = peer->asUser()) {
 		return (user->isBot() && !user->isSupport())
@@ -132,5 +134,4 @@ void Widget::restoreState(not_null<Memento*> memento) {
 	scrollTopRestore(memento->scrollTop());
 }
 
-} // namespace Profile
-} // namespace Info
+} // namespace Info::Profile

Telegram/SourceFiles/info/profile/info_profile_widget.h

@@ -7,19 +7,22 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#include <rpl/producer.h>
 #include "info/info_content_widget.h"
 
-namespace Info {
-namespace Profile {
+namespace Data {
+class ForumTopic;
+} // namespace Data
+
+namespace Info::Profile {
 
 class InnerWidget;
 struct MembersState;
 
 class Memento final : public ContentMemento {
 public:
-	Memento(not_null<Controller*> controller);
+	explicit Memento(not_null<Controller*> controller);
 	Memento(not_null<PeerData*> peer, PeerId migratedPeerId);
+	explicit Memento(not_null<Data::ForumTopic*> topic);
 
 	object_ptr<ContentWidget> createWidget(
 		QWidget *parent,
@@ -40,9 +43,7 @@ private:
 
 class Widget final : public ContentWidget {
 public:
-	Widget(
-		QWidget *parent,
-		not_null<Controller*> controller);
+	Widget(QWidget *parent, not_null<Controller*> controller);
 
 	bool showInternal(
 		not_null<ContentMemento*> memento) override;
@@ -65,5 +66,4 @@ private:
 
 };
 
-} // namespace Profile
-} // namespace Info
+} // namespace Info::Profile

Telegram/SourceFiles/inline_bots/bot_attach_web_view.cpp

@@ -818,11 +818,7 @@ void AttachWebView::show(
 		}
 		Payments::CheckoutProcess::Start(session, slug, reactivate);
 	};
-	auto title = Info::Profile::NameValue(
-		_bot
-	) | rpl::map([](const TextWithEntities &value) {
-		return value.text;
-	});
+	auto title = Info::Profile::NameValue(_bot);
 	ActiveWebViews().emplace(this);
 
 	using Button = Ui::BotWebView::MenuButton;

Telegram/SourceFiles/mainwidget.cpp

@@ -2409,6 +2409,8 @@ auto MainWidget::thirdSectionForCurrentMainSection(
 -> std::shared_ptr<Window::SectionMemento> {
 	if (_thirdSectionFromStack) {
 		return std::move(_thirdSectionFromStack);
+	} else if (const auto topic = key.topic()) {
+		return std::make_shared<Info::Memento>(topic);
 	} else if (const auto peer = key.peer()) {
 		return std::make_shared<Info::Memento>(
 			peer,

Telegram/SourceFiles/settings/settings_information.cpp

@@ -313,7 +313,7 @@ void SetupPhoto(
 	) | rpl::start_with_next([=](
 			int max,
 			int photoWidth,
-			const TextWithEntities&,
+			const QString&,
 			int statusWidth) {
 		photo->moveToLeft(
 			(max - photoWidth) / 2,
@@ -398,7 +398,7 @@ void SetupRows(
 	AddRow(
 		container,
 		tr::lng_settings_name_label(),
-		Info::Profile::NameValue(self),
+		Info::Profile::NameValue(self) | Ui::Text::ToWithEntities(),
 		tr::lng_profile_copy_fullname(tr::now),
 		[=] { controller->show(Box<EditNameBox>(self)); },
 		{ &st::settingsIconUser, kIconLightBlue });

Telegram/SourceFiles/settings/settings_main.cpp

@@ -176,8 +176,8 @@ void Cover::setupChildGeometry() {
 void Cover::initViewers() {
 	Info::Profile::NameValue(
 		_user
-	) | rpl::start_with_next([=](const TextWithEntities &value) {
-		_name->setText(value.text);
+	) | rpl::start_with_next([=](const QString &name) {
+		_name->setText(name);
 		refreshNameGeometry(width());
 	}, lifetime());
 

Telegram/SourceFiles/settings/settings_premium.cpp

@@ -671,7 +671,7 @@ TopBarUser::TopBarUser(
 		Info::Profile::NameValue(peer)
 	) | rpl::start_with_next([=](
 			DocumentData *document,
-			TextWithEntities name) {
+			const QString &name) {
 		if (document) {
 			_emojiStatus = std::make_unique<EmojiStatusTopBar>(
 				document,
@@ -713,7 +713,7 @@ TopBarUser::TopBarUser(
 			_emojiStatus = nullptr;
 		}
 
-		updateTitle(document, name, controller);
+		updateTitle(document, { name }, controller);
 		updateAbout(document);
 
 		auto event = QResizeEvent(size(), size());

Telegram/SourceFiles/window/window_peer_menu.cpp

@@ -23,6 +23,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/report_messages_box.h"
 #include "boxes/peers/add_bot_to_chat_box.h"
 #include "boxes/peers/add_participants_box.h"
+#include "boxes/peers/edit_forum_topic_box.h"
 #include "boxes/peers/edit_contact_box.h"
 #include "ui/boxes/report_box.h"
 #include "ui/toast/toast.h"
@@ -63,6 +64,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_channel.h"
 #include "data/data_chat.h"
 #include "data/data_drafts.h"
+#include "data/data_forum_topic.h"
 #include "data/data_user.h"
 #include "data/data_scheduled_messages.h"
 #include "data/data_histories.h"
@@ -188,6 +190,7 @@ private:
 	void addClearHistory();
 	void addDeleteChat();
 	void addLeaveChat();
+	void addManageTopic();
 	void addManageChat();
 	void addCreatePoll();
 	void addThemeEdit();
@@ -207,6 +210,7 @@ private:
 	not_null<SessionController*> _controller;
 	Dialogs::EntryState _request;
 	PeerData *_peer = nullptr;
+	Data::ForumTopic *_topic = nullptr;
 	Data::Folder *_folder = nullptr;
 	const PeerMenuCallback &_addAction;
 
@@ -326,12 +330,13 @@ Filler::Filler(
 : _controller(controller)
 , _request(request)
 , _peer(request.key.peer())
+, _topic(request.key.topic())
 , _folder(request.key.folder())
 , _addAction(addAction) {
 }
 
 void Filler::addHidePromotion() {
-	const auto history = _peer->owner().historyLoaded(_peer);
+	const auto history = _request.key.history();
 	if (!history
 		|| !history->useTopPromotion()
 		|| history->topPromotionType().isEmpty()) {
@@ -346,6 +351,10 @@ void Filler::addHidePromotion() {
 }
 
 void Filler::addTogglePin() {
+	if (!_peer) {
+		// #TODO forum pin
+		return;
+	}
 	const auto controller = _controller;
 	const auto filterId = _request.filterId;
 	const auto peer = _peer;
@@ -400,11 +409,12 @@ void Filler::addSupportInfo() {
 }
 
 void Filler::addInfo() {
-	if (_peer->isSelf() || _peer->isRepliesChat()) {
+	if (_peer && (_peer->isSelf() || _peer->isRepliesChat())) {
 		return;
 	} else if (_controller->adaptive().isThreeColumn()) {
-		const auto history = _controller->activeChatCurrent().history();
-		if (history && history->peer == _peer) {
+		const auto peer = _controller->activeChatCurrent().peer();
+		const auto topic = _controller->activeChatCurrent().topic();
+		if ((peer && peer == _peer) || (topic && topic == _topic)) {
 			if (Core::App().settings().thirdSectionInfoEnabled()
 				|| Core::App().settings().tabbedReplacedWithInfo()) {
 				return;
@@ -412,6 +422,7 @@ void Filler::addInfo() {
 		}
 	}
 	const auto controller = _controller;
+	const auto id = _topic ? _topic->rootId() : 0;
 	const auto peer = _peer;
 	const auto text = (peer->isChat() || peer->isMegagroup())
 		? tr::lng_context_view_group(tr::now)
@@ -468,6 +479,9 @@ void Filler::addToggleUnreadMark() {
 }
 
 void Filler::addToggleArchive() {
+	if (!_peer) {
+		return;
+	}
 	const auto peer = _peer;
 	const auto history = peer->owner().historyLoaded(peer);
 	if (history && history->useTopPromotion()) {
@@ -533,7 +547,7 @@ void Filler::addDeleteChat() {
 
 void Filler::addLeaveChat() {
 	const auto channel = _peer->asChannel();
-	if (!channel || !channel->amIn()) {
+	if (_topic || !channel || !channel->amIn()) {
 		return;
 	}
 	_addAction({
@@ -618,7 +632,7 @@ void Filler::addViewDiscussion() {
 }
 
 void Filler::addExportChat() {
-	if (!_peer->canExportChatHistory()) {
+	if (_topic || !_peer->canExportChatHistory()) {
 		return;
 	}
 	const auto peer = _peer;
@@ -733,6 +747,19 @@ void Filler::addDeleteContact() {
 	});
 }
 
+void Filler::addManageTopic() {
+	if (!_topic) {
+		return;
+	}
+	// #TODO forum lang
+	const auto history = _topic->forum();
+	const auto rootId = _topic->rootId();
+	const auto navigation = _controller;
+	_addAction(u"Edit topic"_q, [=] {
+		navigation->show(Box(EditForumTopicBox, navigation, history, rootId));
+	}, &st::menuIconEdit);
+}
+
 void Filler::addManageChat() {
 	if (!EditPeerInfoBox::Available(_peer)) {
 		return;
@@ -794,6 +821,9 @@ void Filler::addThemeEdit() {
 }
 
 void Filler::addTTLSubmenu(bool addSeparator) {
+	if (_topic) {
+		return; // #TODO later forum
+	}
 	const auto validator = TTLMenu::TTLValidator(
 		std::make_shared<Window::Show>(_controller),
 		_peer);
@@ -887,6 +917,7 @@ void Filler::fillProfileActions() {
 	addGiftPremium();
 	addBotToGroup();
 	addNewMembers();
+	addManageTopic();
 	addManageChat();
 	addViewDiscussion();
 	addExportChat();
@@ -897,6 +928,11 @@ void Filler::fillProfileActions() {
 }
 
 void Filler::fillRepliesActions() {
+	if (_topic) {
+		addInfo();
+		addManageTopic();
+		addManageChat();
+	}
 	addCreatePoll();
 }
 

Telegram/SourceFiles/window/window_session_controller.cpp

@@ -478,17 +478,6 @@ void SessionNavigation::showRepliesForMessage(
 	_api.request(base::take(_showingRepliesRequestId)).cancel();
 
 	const auto postPeer = history->peer;
-	//const auto item = _session->data().message(postPeer, rootId);
-	//if (!commentId && (!item || !item->repliesAreComments())) {
-	//	showSection(std::make_shared<HistoryView::RepliesMemento>(history, rootId));
-	//	return;
-	//} else if (const auto id = item ? item->commentsItemId() : FullMsgId()) {
-	//	if (const auto commentsItem = _session->data().message(id)) {
-	//		showSection(
-	//			std::make_shared<HistoryView::RepliesMemento>(commentsItem));
-	//		return;
-	//	}
-	//}
 	_showingRepliesHistory = history;
 	_showingRepliesRootId = rootId;
 	_showingRepliesRequestId = _api.request(
@@ -537,9 +526,11 @@ void SessionNavigation::showRepliesForMessage(
 					post->setRepliesOutboxReadTill(
 						data.vread_outbox_max_id().value_or_empty());
 				}
-				showSection(std::make_shared<HistoryView::RepliesMemento>(
-					item,
-					commentId));
+				showSection(
+					std::make_shared<HistoryView::RepliesMemento>(
+						item,
+						commentId),
+					params);
 			}
 		});
 	}).fail([=](const MTP::Error &error) {
@@ -1577,9 +1568,8 @@ void SessionController::cancelUploadLayer(not_null<HistoryItem*> item) {
 void SessionController::showSection(
 		std::shared_ptr<SectionMemento> memento,
 		const SectionShow &params) {
-	if (!params.thirdColumn && widget()->showSectionInExistingLayer(
-			memento.get(),
-			params)) {
+	if (!params.thirdColumn
+		&& widget()->showSectionInExistingLayer(memento.get(), params)) {
 		return;
 	}
 	content()->showSection(std::move(memento), params);