From f0d092f1267688491fcf297c6aea20b66cd400b3 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Wed, 5 Sep 2018 22:05:49 +0300
Subject: [PATCH] Section dummies for new Settings.

---
 Telegram/SourceFiles/core/update_checker.cpp  |  1 +
 .../SourceFiles/info/info_content_widget.cpp  | 18 +++-
 .../SourceFiles/info/info_content_widget.h    | 13 ++-
 Telegram/SourceFiles/info/info_controller.cpp | 17 +++-
 Telegram/SourceFiles/info/info_controller.h   | 38 +++++++-
 Telegram/SourceFiles/info/info_memento.cpp    | 15 +++
 Telegram/SourceFiles/info/info_memento.h      | 12 ++-
 Telegram/SourceFiles/info/info_top_bar.cpp    | 16 ++++
 .../SourceFiles/info/info_wrap_widget.cpp     |  6 ++
 .../info/media/info_media_widget.cpp          |  2 +-
 .../info/settings/info_settings_widget.cpp    | 91 +++++++++++++++++++
 .../info/settings/info_settings_widget.h      | 74 +++++++++++++++
 Telegram/SourceFiles/mainwindow.cpp           |  7 +-
 Telegram/SourceFiles/settings/settings.style  | 12 +++
 .../SourceFiles/settings/settings_chat.cpp    | 32 +++++++
 Telegram/SourceFiles/settings/settings_chat.h | 25 +++++
 .../SourceFiles/settings/settings_common.cpp  | 40 ++++++++
 .../SourceFiles/settings/settings_common.h    | 46 ++++++++++
 .../SourceFiles/settings/settings_general.cpp | 32 +++++++
 .../SourceFiles/settings/settings_general.h   | 25 +++++
 .../settings/settings_information.cpp         | 32 +++++++
 .../settings/settings_information.h           | 25 +++++
 .../SourceFiles/settings/settings_main.cpp    | 52 +++++++++++
 Telegram/SourceFiles/settings/settings_main.h | 28 ++++++
 .../settings/settings_notifications.cpp       | 32 +++++++
 .../settings/settings_notifications.h         | 25 +++++
 .../settings/settings_privacy_security.cpp    | 32 +++++++
 .../settings/settings_privacy_security.h      | 25 +++++
 Telegram/SourceFiles/ui/rp_widget.cpp         | 14 +++
 Telegram/SourceFiles/ui/rp_widget.h           |  6 ++
 .../SourceFiles/window/window_controller.cpp  | 22 +++++
 .../SourceFiles/window/window_controller.h    |  9 ++
 Telegram/gyp/Telegram.gyp                     |  1 +
 Telegram/gyp/telegram_sources.txt             | 16 ++++
 34 files changed, 823 insertions(+), 18 deletions(-)
 create mode 100644 Telegram/SourceFiles/info/settings/info_settings_widget.cpp
 create mode 100644 Telegram/SourceFiles/info/settings/info_settings_widget.h
 create mode 100644 Telegram/SourceFiles/settings/settings.style
 create mode 100644 Telegram/SourceFiles/settings/settings_chat.cpp
 create mode 100644 Telegram/SourceFiles/settings/settings_chat.h
 create mode 100644 Telegram/SourceFiles/settings/settings_common.cpp
 create mode 100644 Telegram/SourceFiles/settings/settings_common.h
 create mode 100644 Telegram/SourceFiles/settings/settings_general.cpp
 create mode 100644 Telegram/SourceFiles/settings/settings_general.h
 create mode 100644 Telegram/SourceFiles/settings/settings_information.cpp
 create mode 100644 Telegram/SourceFiles/settings/settings_information.h
 create mode 100644 Telegram/SourceFiles/settings/settings_main.cpp
 create mode 100644 Telegram/SourceFiles/settings/settings_main.h
 create mode 100644 Telegram/SourceFiles/settings/settings_notifications.cpp
 create mode 100644 Telegram/SourceFiles/settings/settings_notifications.h
 create mode 100644 Telegram/SourceFiles/settings/settings_privacy_security.cpp
 create mode 100644 Telegram/SourceFiles/settings/settings_privacy_security.h

diff --git a/Telegram/SourceFiles/core/update_checker.cpp b/Telegram/SourceFiles/core/update_checker.cpp
index e0a2483c68..c72383f2e6 100644
--- a/Telegram/SourceFiles/core/update_checker.cpp
+++ b/Telegram/SourceFiles/core/update_checker.cpp
@@ -2127,6 +2127,7 @@ void UpdateApplication() {
 		cSetLastUpdateCheck(0);
 		Core::UpdateChecker().start();
 		if (const auto window = App::wnd()) {
+			// #TODO settings
 			auto settings = Box<OldSettings::Widget>();
 			const auto weak = make_weak(settings.data());
 			window->showSpecialLayer(std::move(settings), anim::type::normal);
diff --git a/Telegram/SourceFiles/info/info_content_widget.cpp b/Telegram/SourceFiles/info/info_content_widget.cpp
index 585543b07c..f0f5d808df 100644
--- a/Telegram/SourceFiles/info/info_content_widget.cpp
+++ b/Telegram/SourceFiles/info/info_content_widget.cpp
@@ -160,10 +160,6 @@ void ContentWidget::setScrollTopSkip(int scrollTopSkip) {
 	_scrollTopSkip = scrollTopSkip;
 }
 
-rpl::producer<Section> ContentWidget::sectionRequest() const {
-	return rpl::never<Section>();
-}
-
 rpl::producer<int> ContentWidget::scrollHeightValue() const {
 	return _scroll->heightValue();
 }
@@ -253,4 +249,18 @@ void ContentWidget::refreshSearchField(bool shown) {
 	}
 }
 
+Key ContentMemento::key() const {
+	if (const auto peerId = this->peerId()) {
+		return Key(App::peer(peerId));
+	} else if (const auto feed = this->feed()) {
+		return Key(feed);
+	} else {
+		return Settings::Tag{ settingsSelf() };
+	}
+}
+
+ContentMemento::ContentMemento(Settings::Tag settings)
+: _settingsSelf(settings.self.get()) {
+}
+
 } // namespace Info
diff --git a/Telegram/SourceFiles/info/info_content_widget.h b/Telegram/SourceFiles/info/info_content_widget.h
index f0053ca20f..7b97a8b994 100644
--- a/Telegram/SourceFiles/info/info_content_widget.h
+++ b/Telegram/SourceFiles/info/info_content_widget.h
@@ -28,6 +28,9 @@ class Feed;
 } // namespace Data
 
 namespace Info {
+namespace Settings {
+struct Tag;
+} // namespace Settings
 
 class ContentMemento;
 class Controller;
@@ -42,7 +45,6 @@ public:
 		not_null<ContentMemento*> memento) = 0;
 	std::unique_ptr<ContentMemento> createMemento();
 
-	virtual rpl::producer<Section> sectionRequest() const;
 	virtual void setIsStackBottom(bool isStackBottom) {
 	}
 
@@ -119,9 +121,9 @@ public:
 	: _peerId(peerId)
 	, _migratedPeerId(migratedPeerId) {
 	}
-	explicit ContentMemento(not_null<Data::Feed*> feed)
-	: _feed(feed) {
+	explicit ContentMemento(not_null<Data::Feed*> feed) : _feed(feed) {
 	}
+	explicit ContentMemento(Settings::Tag settings);
 
 	virtual object_ptr<ContentWidget> createWidget(
 		QWidget *parent,
@@ -137,6 +139,10 @@ public:
 	Data::Feed *feed() const {
 		return _feed;
 	}
+	UserData *settingsSelf() const {
+		return _settingsSelf;
+	}
+	Key key() const;
 
 	virtual Section section() const = 0;
 
@@ -171,6 +177,7 @@ private:
 	const PeerId _peerId = 0;
 	const PeerId _migratedPeerId = 0;
 	Data::Feed * const _feed = nullptr;
+	UserData * const _settingsSelf = nullptr;
 	int _scrollTop = 0;
 	QString _searchFieldQuery;
 	bool _searchEnabledByContent = false;
diff --git a/Telegram/SourceFiles/info/info_controller.cpp b/Telegram/SourceFiles/info/info_controller.cpp
index 8c169840ab..4a8835486a 100644
--- a/Telegram/SourceFiles/info/info_controller.cpp
+++ b/Telegram/SourceFiles/info/info_controller.cpp
@@ -38,6 +38,9 @@ Key::Key(not_null<PeerData*> peer) : _value(peer) {
 Key::Key(not_null<Data::Feed*> feed) : _value(feed) {
 }
 
+Key::Key(Settings::Tag settings) : _value(settings) {
+}
+
 PeerData *Key::peer() const {
 	if (const auto peer = base::get_if<not_null<PeerData*>>(&_value)) {
 		return *peer;
@@ -52,6 +55,13 @@ Data::Feed *Key::feed() const {
 	return nullptr;
 }
 
+UserData *Key::settingsSelf() const {
+	if (const auto tag = base::get_if<Settings::Tag>(&_value)) {
+		return tag->self;
+	}
+	return nullptr;
+}
+
 rpl::producer<SparseIdsMergedSlice> AbstractController::mediaSource(
 		SparseIdsMergedSlice::UniversalMsgId aroundId,
 		int limitBefore,
@@ -88,9 +98,7 @@ Controller::Controller(
 	not_null<ContentMemento*> memento)
 : AbstractController(window)
 , _widget(widget)
-, _key(memento->peerId()
-	? Key(App::peer(memento->peerId()))
-	: Key(memento->feed()))
+, _key(memento->key())
 , _migrated(memento->migratedPeerId()
 	? App::peer(memento->migratedPeerId())
 	: nullptr)
@@ -135,7 +143,8 @@ bool Controller::validateMementoPeer(
 		not_null<ContentMemento*> memento) const {
 	return memento->peerId() == peerId()
 		&& memento->migratedPeerId() == migratedPeerId()
-		&& memento->feed() == feed();
+		&& memento->feed() == feed()
+		&& memento->settingsSelf() == settingsSelf();
 }
 
 void Controller::setSection(not_null<ContentMemento*> memento) {
diff --git a/Telegram/SourceFiles/info/info_controller.h b/Telegram/SourceFiles/info/info_controller.h
index d4ed642ab0..e6094b2b3b 100644
--- a/Telegram/SourceFiles/info/info_controller.h
+++ b/Telegram/SourceFiles/info/info_controller.h
@@ -10,23 +10,39 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include <rpl/variable.h>
 #include "data/data_search_controller.h"
 #include "window/window_controller.h"
+#include "settings/settings_common.h"
 
 namespace Ui {
 class SearchFieldController;
 } // namespace Ui
 
 namespace Info {
+namespace Settings {
+
+struct Tag {
+	explicit Tag(not_null<UserData*> self) : self(self) {
+	}
+
+	not_null<UserData*> self;
+};
+
+} // namespace Settings
 
 class Key {
 public:
 	Key(not_null<PeerData*> peer);
 	Key(not_null<Data::Feed*> feed);
+	Key(Settings::Tag settings);
 
 	PeerData *peer() const;
 	Data::Feed *feed() const;
+	UserData *settingsSelf() const;
 
 private:
-	base::variant<not_null<PeerData*>, not_null<Data::Feed*>> _value;
+	base::variant<
+		not_null<PeerData*>,
+		not_null<Data::Feed*>,
+		Settings::Tag> _value;
 
 };
 
@@ -43,28 +59,41 @@ public:
 		CommonGroups,
 		Members,
 		Channels,
+		Settings,
 	};
+	using SettingsType = ::Settings::Type;
 	using MediaType = Storage::SharedMediaType;
 
 	Section(Type type) : _type(type) {
-		Expects(type != Type::Media);
+		Expects(type != Type::Media && type != Type::Settings);
 	}
 	Section(MediaType mediaType)
 	: _type(Type::Media)
 	, _mediaType(mediaType) {
 	}
+	Section(SettingsType settingsType)
+	: _type(Type::Settings)
+	, _settingsType(settingsType) {
+	}
 
 	Type type() const {
 		return _type;
 	}
 	MediaType mediaType() const {
 		Expects(_type == Type::Media);
+
 		return _mediaType;
 	}
+	SettingsType settingsType() const {
+		Expects(_type == Type::Settings);
+
+		return _settingsType;
+	}
 
 private:
 	Type _type;
-	Storage::SharedMediaType _mediaType;
+	MediaType _mediaType = MediaType();
+	SettingsType _settingsType = SettingsType();
 
 };
 
@@ -93,6 +122,9 @@ public:
 	Data::Feed *feed() const {
 		return key().feed();
 	}
+	UserData *settingsSelf() const {
+		return key().settingsSelf();
+	}
 
 	virtual void setSearchEnabledByContent(bool enabled) {
 	}
diff --git a/Telegram/SourceFiles/info/info_memento.cpp b/Telegram/SourceFiles/info/info_memento.cpp
index 57206bf09d..2427fb4478 100644
--- a/Telegram/SourceFiles/info/info_memento.cpp
+++ b/Telegram/SourceFiles/info/info_memento.cpp
@@ -13,6 +13,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "info/channels/info_channels_widget.h"
 #include "info/common_groups/info_common_groups_widget.h"
 #include "info/feed/info_feed_profile_widget.h"
+#include "info/settings/info_settings_widget.h"
 #include "info/info_section_widget.h"
 #include "info/info_layer_widget.h"
 #include "info/info_controller.h"
@@ -32,6 +33,10 @@ Memento::Memento(not_null<Data::Feed*> feed, Section section)
 : Memento(DefaultStack(feed, section)) {
 }
 
+Memento::Memento(Settings::Tag settings, Section section)
+: Memento(DefaultStack(settings, section)) {
+}
+
 Memento::Memento(std::vector<std::unique_ptr<ContentMemento>> stack)
 : _stack(std::move(stack)) {
 }
@@ -52,6 +57,16 @@ std::vector<std::unique_ptr<ContentMemento>> Memento::DefaultStack(
 	return result;
 }
 
+std::vector<std::unique_ptr<ContentMemento>> Memento::DefaultStack(
+		Settings::Tag settings,
+		Section section) {
+	auto result = std::vector<std::unique_ptr<ContentMemento>>();
+	result.push_back(std::make_unique<Settings::Memento>(
+		settings.self,
+		section.settingsType()));
+	return result;
+}
+
 Section Memento::DefaultSection(Dialogs::Key key) {
 	if (const auto peer = key.peer()) {
 		if (peer->isSelf()) {
diff --git a/Telegram/SourceFiles/info/info_memento.h b/Telegram/SourceFiles/info/info_memento.h
index 29b0c12b37..5dd4849912 100644
--- a/Telegram/SourceFiles/info/info_memento.h
+++ b/Telegram/SourceFiles/info/info_memento.h
@@ -26,16 +26,20 @@ struct ScrollToRequest;
 } // namespace Ui
 
 namespace Info {
+namespace Settings {
+struct Tag;
+} // namespace Settings
 
 class ContentMemento;
 class WrapWidget;
 
 class Memento final : public Window::SectionMemento {
 public:
-	Memento(PeerId peerId);
+	explicit Memento(PeerId peerId);
 	Memento(PeerId peerId, Section section);
 	Memento(not_null<Data::Feed*> feed, Section section);
-	Memento(std::vector<std::unique_ptr<ContentMemento>> stack);
+	Memento(Settings::Tag settings, Section section);
+	explicit Memento(std::vector<std::unique_ptr<ContentMemento>> stack);
 
 	object_ptr<Window::SectionWidget> createWidget(
 		QWidget *parent,
@@ -54,6 +58,7 @@ public:
 
 	not_null<ContentMemento*> content() {
 		Expects(!_stack.empty());
+
 		return _stack.back().get();
 	}
 
@@ -69,6 +74,9 @@ private:
 	static std::vector<std::unique_ptr<ContentMemento>> DefaultStack(
 		not_null<Data::Feed*> feed,
 		Section section);
+	static std::vector<std::unique_ptr<ContentMemento>> DefaultStack(
+		Settings::Tag settings,
+		Section section);
 	static std::unique_ptr<ContentMemento> DefaultContent(
 		not_null<Data::Feed*> feed,
 		Section section);
diff --git a/Telegram/SourceFiles/info/info_top_bar.cpp b/Telegram/SourceFiles/info/info_top_bar.cpp
index cc81e2e1b4..2aa23e5775 100644
--- a/Telegram/SourceFiles/info/info_top_bar.cpp
+++ b/Telegram/SourceFiles/info/info_top_bar.cpp
@@ -587,6 +587,22 @@ rpl::producer<QString> TitleValue(
 		case Section::Type::Channels:
 			return lng_info_feed_channels;
 
+		case Section::Type::Settings:
+			switch (section.settingsType()) {
+			case Section::SettingsType::Main:
+				return lng_menu_settings;
+			case Section::SettingsType::Information:
+				return lng_settings_section_info;
+			case Section::SettingsType::Notifications:
+				return lng_settings_section_notify;
+			case Section::SettingsType::PrivacySecurity:
+				return lng_settings_section_privacy;
+			case Section::SettingsType::General:
+				return lng_settings_section_general;
+			case Section::SettingsType::Chat:
+				return lng_settings_section_chat_settings;
+			}
+			Unexpected("Bad settings type in Info::TitleValue()");
 		}
 		Unexpected("Bad section type in Info::TitleValue()");
 	}());
diff --git a/Telegram/SourceFiles/info/info_wrap_widget.cpp b/Telegram/SourceFiles/info/info_wrap_widget.cpp
index 51a05ba052..424d9f256f 100644
--- a/Telegram/SourceFiles/info/info_wrap_widget.cpp
+++ b/Telegram/SourceFiles/info/info_wrap_widget.cpp
@@ -200,6 +200,8 @@ Dialogs::RowDescriptor WrapWidget::activeChat() const {
 		return Dialogs::RowDescriptor(App::history(peer), FullMsgId());
 	} else if (const auto feed = key().feed()) {
 		return Dialogs::RowDescriptor(feed, FullMsgId());
+	} else if (key().settingsSelf()) {
+		return Dialogs::RowDescriptor();
 	}
 	Unexpected("Owner in WrapWidget::activeChat().");
 }
@@ -512,6 +514,10 @@ void WrapWidget::showProfileMenu() {
 			feed,
 			addAction,
 			Window::PeerMenuSource::Profile);
+	} else if (const auto self = key().settingsSelf()) {
+		// #TODO settings top menu
+		_topBarMenu = nullptr;
+		return;
 	} else {
 		_topBarMenu = nullptr;
 		return;
diff --git a/Telegram/SourceFiles/info/media/info_media_widget.cpp b/Telegram/SourceFiles/info/media/info_media_widget.cpp
index 2d4d9674e5..bcfb88399c 100644
--- a/Telegram/SourceFiles/info/media/info_media_widget.cpp
+++ b/Telegram/SourceFiles/info/media/info_media_widget.cpp
@@ -97,7 +97,7 @@ bool Widget::showInternal(not_null<ContentMemento*> memento) {
 	if (!controller()->validateMementoPeer(memento)) {
 		return false;
 	}
-	if (auto mediaMemento = dynamic_cast<Memento*>(memento.get())) {
+	if (const auto mediaMemento = dynamic_cast<Memento*>(memento.get())) {
 		if (_inner->showInternal(mediaMemento)) {
 			return true;
 		}
diff --git a/Telegram/SourceFiles/info/settings/info_settings_widget.cpp b/Telegram/SourceFiles/info/settings/info_settings_widget.cpp
new file mode 100644
index 0000000000..022d4e8103
--- /dev/null
+++ b/Telegram/SourceFiles/info/settings/info_settings_widget.cpp
@@ -0,0 +1,91 @@
+/*
+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 "info/settings/info_settings_widget.h"
+
+#include "info/info_memento.h"
+#include "settings/settings_common.h"
+
+namespace Info {
+namespace Settings {
+
+Memento::Memento(not_null<UserData*> self, Type type)
+: ContentMemento(Tag{ self })
+, _type(type) {
+}
+
+Section Memento::section() const {
+	return Section(_type);
+}
+
+object_ptr<ContentWidget> Memento::createWidget(
+		QWidget *parent,
+		not_null<Controller*> controller,
+		const QRect &geometry) {
+	auto result = object_ptr<Widget>(
+		parent,
+		controller);
+	result->setInternalState(geometry, this);
+	return std::move(result);
+}
+
+Memento::~Memento() = default;
+
+Widget::Widget(
+	QWidget *parent,
+	not_null<Controller*> controller)
+: ContentWidget(parent, controller)
+, _self(controller->key().settingsSelf())
+, _type(controller->section().settingsType()) {
+	const auto inner = setInnerWidget(
+		::Settings::CreateSection(_type, this, _self));
+	inner->sectionShowOther(
+	) | rpl::start_with_next([=](Type type) {
+		this->controller()->showSettings(type);
+	}, inner->lifetime());
+}
+
+not_null<UserData*> Widget::self() const {
+	return _self;
+}
+
+bool Widget::showInternal(not_null<ContentMemento*> memento) {
+	//if (const auto myMemento = dynamic_cast<Memento*>(memento.get())) {
+	//	Assert(myMemento->self() == self());
+
+	//	if (_inner->showInternal(myMemento)) {
+	//		return true;
+	//	}
+	//}
+	return false;
+}
+
+void Widget::setInternalState(
+		const QRect &geometry,
+		not_null<Memento*> memento) {
+	setGeometry(geometry);
+	Ui::SendPendingMoveResizeEvents(this);
+	restoreState(memento);
+}
+
+std::unique_ptr<ContentMemento> Widget::doCreateMemento() {
+	auto result = std::make_unique<Memento>(self(), _type);
+	saveState(result.get());
+	return std::move(result);
+}
+
+void Widget::saveState(not_null<Memento*> memento) {
+	memento->setScrollTop(scrollTopSave());
+}
+
+void Widget::restoreState(not_null<Memento*> memento) {
+	const auto scrollTop = memento->scrollTop();
+	scrollTopRestore(memento->scrollTop());
+}
+
+} // namespace Settings
+} // namespace Info
diff --git a/Telegram/SourceFiles/info/settings/info_settings_widget.h b/Telegram/SourceFiles/info/settings/info_settings_widget.h
new file mode 100644
index 0000000000..e4eaba05c1
--- /dev/null
+++ b/Telegram/SourceFiles/info/settings/info_settings_widget.h
@@ -0,0 +1,74 @@
+/*
+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 "info/info_content_widget.h"
+#include "info/info_controller.h"
+
+namespace Info {
+namespace Settings {
+
+using Type = Section::SettingsType;
+
+struct Tag;
+class InnerWidget;
+
+class Memento final : public ContentMemento {
+public:
+	Memento(not_null<UserData*> self, Type type);
+
+	object_ptr<ContentWidget> createWidget(
+		QWidget *parent,
+		not_null<Controller*> controller,
+		const QRect &geometry) override;
+
+	Section section() const override;
+
+	Type type() const {
+		return _type;
+	}
+
+	not_null<UserData*> self() const {
+		return settingsSelf();
+	}
+
+	~Memento();
+
+private:
+	Type _type = Type();
+
+};
+
+class Widget final : public ContentWidget {
+public:
+	Widget(
+		QWidget *parent,
+		not_null<Controller*> controller);
+
+	not_null<UserData*> self() const;
+
+	bool showInternal(
+		not_null<ContentMemento*> memento) override;
+
+	void setInternalState(
+		const QRect &geometry,
+		not_null<Memento*> memento);
+
+private:
+	void saveState(not_null<Memento*> memento);
+	void restoreState(not_null<Memento*> memento);
+
+	std::unique_ptr<ContentMemento> doCreateMemento() override;
+
+	not_null<UserData*> _self;
+	Type _type = Type();
+
+};
+
+} // namespace Settings
+} // namespace Info
diff --git a/Telegram/SourceFiles/mainwindow.cpp b/Telegram/SourceFiles/mainwindow.cpp
index 213e359de6..5196dc042f 100644
--- a/Telegram/SourceFiles/mainwindow.cpp
+++ b/Telegram/SourceFiles/mainwindow.cpp
@@ -302,7 +302,12 @@ void MainWindow::setupMain(const MTPUser *self) {
 void MainWindow::showSettings() {
 	if (isHidden()) showFromTray();
 
-	controller()->showSpecialLayer(Box<OldSettings::Widget>());
+	if (const auto controller = this->controller()) {
+		controller->showSettings();
+	} else {
+		// #TODO settings
+		showSpecialLayer(Box<OldSettings::Widget>(), anim::type::normal);
+	}
 }
 
 void MainWindow::showSpecialLayer(
diff --git a/Telegram/SourceFiles/settings/settings.style b/Telegram/SourceFiles/settings/settings.style
new file mode 100644
index 0000000000..1ad80c9cf3
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings.style
@@ -0,0 +1,12 @@
+/*
+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
+*/
+using "basic.style";
+using "ui/widgets/widgets.style";
+using "info/info.style";
+
+settingsSectionButton: infoProfileButton;
diff --git a/Telegram/SourceFiles/settings/settings_chat.cpp b/Telegram/SourceFiles/settings/settings_chat.cpp
new file mode 100644
index 0000000000..8eddbff240
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings_chat.cpp
@@ -0,0 +1,32 @@
+/*
+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 "settings/settings_chat.h"
+
+#include "settings/settings_common.h"
+#include "boxes/abstract_box.h"
+#include "ui/wrap/vertical_layout.h"
+#include "lang/lang_keys.h"
+#include "styles/style_settings.h"
+
+namespace Settings {
+
+Chat::Chat(QWidget *parent, not_null<UserData*> self)
+: Section(parent)
+, _self(self) {
+	setupContent();
+}
+
+void Chat::setupContent() {
+	const auto content = Ui::CreateChild<Ui::VerticalLayout>(this);
+
+	content->add(object_ptr<BoxContentDivider>(content));
+
+	Ui::ResizeFitChild(this, content);
+}
+
+} // namespace Settings
diff --git a/Telegram/SourceFiles/settings/settings_chat.h b/Telegram/SourceFiles/settings/settings_chat.h
new file mode 100644
index 0000000000..ec1f577f33
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings_chat.h
@@ -0,0 +1,25 @@
+/*
+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 "settings/settings_common.h"
+
+namespace Settings {
+
+class Chat : public Section {
+public:
+	Chat(QWidget *parent, not_null<UserData*> self);
+
+private:
+	void setupContent();
+
+	not_null<UserData*> _self;
+
+};
+
+} // namespace Settings
diff --git a/Telegram/SourceFiles/settings/settings_common.cpp b/Telegram/SourceFiles/settings/settings_common.cpp
new file mode 100644
index 0000000000..17fe2b1289
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings_common.cpp
@@ -0,0 +1,40 @@
+/*
+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 "settings/settings_common.h"
+
+#include "settings/settings_chat.h"
+#include "settings/settings_general.h"
+#include "settings/settings_information.h"
+#include "settings/settings_main.h"
+#include "settings/settings_notifications.h"
+#include "settings/settings_privacy_security.h"
+
+namespace Settings {
+
+object_ptr<Section> CreateSection(
+		Type type,
+		not_null<QWidget*> parent,
+		UserData *self) {
+	switch (type) {
+	case Type::Main:
+		return object_ptr<::Settings::Main>(parent, self);
+	case Type::Information:
+		return object_ptr<::Settings::Information>(parent, self);
+	case Type::Notifications:
+		return object_ptr<::Settings::Notifications>(parent, self);
+	case Type::PrivacySecurity:
+		return object_ptr<::Settings::PrivacySecurity>(parent, self);
+	case Type::General:
+		return object_ptr<::Settings::General>(parent, self);
+	case Type::Chat:
+		return object_ptr<::Settings::Chat>(parent, self);
+	}
+	Unexpected("Settings section type in Widget::createInnerWidget.");
+}
+
+} // namespace Settings
diff --git a/Telegram/SourceFiles/settings/settings_common.h b/Telegram/SourceFiles/settings/settings_common.h
new file mode 100644
index 0000000000..bdaa21ff2a
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings_common.h
@@ -0,0 +1,46 @@
+/*
+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/rp_widget.h"
+
+namespace Info {
+namespace Profile {
+class Button;
+} // namespace Profile
+} // namespace Info
+
+namespace Settings {
+
+enum class Type {
+	Main,
+	Information,
+	Notifications,
+	PrivacySecurity,
+	General,
+	Chat,
+};
+
+using Button = Info::Profile::Button;
+
+class Section : public Ui::RpWidget {
+public:
+	using RpWidget::RpWidget;
+
+	virtual rpl::producer<Type> sectionShowOther() {
+		return rpl::never<Type>();
+	}
+
+};
+
+object_ptr<Section> CreateSection(
+	Type type,
+	not_null<QWidget*> parent,
+	UserData *self = nullptr);
+
+} // namespace Settings
diff --git a/Telegram/SourceFiles/settings/settings_general.cpp b/Telegram/SourceFiles/settings/settings_general.cpp
new file mode 100644
index 0000000000..8244ee5dd0
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings_general.cpp
@@ -0,0 +1,32 @@
+/*
+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 "settings/settings_general.h"
+
+#include "settings/settings_common.h"
+#include "boxes/abstract_box.h"
+#include "ui/wrap/vertical_layout.h"
+#include "lang/lang_keys.h"
+#include "styles/style_settings.h"
+
+namespace Settings {
+
+General::General(QWidget *parent, UserData *self)
+: Section(parent)
+, _self(self) {
+	setupContent();
+}
+
+void General::setupContent() {
+	const auto content = Ui::CreateChild<Ui::VerticalLayout>(this);
+
+	content->add(object_ptr<BoxContentDivider>(content));
+
+	Ui::ResizeFitChild(this, content);
+}
+
+} // namespace Settings
diff --git a/Telegram/SourceFiles/settings/settings_general.h b/Telegram/SourceFiles/settings/settings_general.h
new file mode 100644
index 0000000000..3eacd95d28
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings_general.h
@@ -0,0 +1,25 @@
+/*
+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 "settings/settings_common.h"
+
+namespace Settings {
+
+class General : public Section {
+public:
+	explicit General(QWidget *parent, UserData *self = nullptr);
+
+private:
+	void setupContent();
+
+	UserData *_self = nullptr;
+
+};
+
+} // namespace Settings
diff --git a/Telegram/SourceFiles/settings/settings_information.cpp b/Telegram/SourceFiles/settings/settings_information.cpp
new file mode 100644
index 0000000000..341314deda
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings_information.cpp
@@ -0,0 +1,32 @@
+/*
+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 "settings/settings_information.h"
+
+#include "settings/settings_common.h"
+#include "boxes/abstract_box.h"
+#include "ui/wrap/vertical_layout.h"
+#include "lang/lang_keys.h"
+#include "styles/style_settings.h"
+
+namespace Settings {
+
+Information::Information(QWidget *parent, not_null<UserData*> self)
+: Section(parent)
+, _self(self) {
+	setupContent();
+}
+
+void Information::setupContent() {
+	const auto content = Ui::CreateChild<Ui::VerticalLayout>(this);
+
+	content->add(object_ptr<BoxContentDivider>(content));
+
+	Ui::ResizeFitChild(this, content);
+}
+
+} // namespace Settings
diff --git a/Telegram/SourceFiles/settings/settings_information.h b/Telegram/SourceFiles/settings/settings_information.h
new file mode 100644
index 0000000000..c5150e2ee8
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings_information.h
@@ -0,0 +1,25 @@
+/*
+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 "settings/settings_common.h"
+
+namespace Settings {
+
+class Information : public Section {
+public:
+	Information(QWidget *parent, not_null<UserData*> self);
+
+private:
+	void setupContent();
+
+	not_null<UserData*> _self;
+
+};
+
+} // namespace Settings
diff --git a/Telegram/SourceFiles/settings/settings_main.cpp b/Telegram/SourceFiles/settings/settings_main.cpp
new file mode 100644
index 0000000000..80f817f8cb
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings_main.cpp
@@ -0,0 +1,52 @@
+/*
+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 "settings/settings_main.h"
+
+#include "settings/settings_common.h"
+#include "boxes/abstract_box.h"
+#include "ui/wrap/vertical_layout.h"
+#include "info/profile/info_profile_button.h"
+#include "lang/lang_keys.h"
+#include "styles/style_settings.h"
+
+namespace Settings {
+
+Main::Main(QWidget *parent, not_null<UserData*> self)
+: Section(parent)
+, _self(self) {
+	setupContent();
+}
+
+void Main::setupContent() {
+	const auto content = Ui::CreateChild<Ui::VerticalLayout>(this);
+
+	content->add(object_ptr<BoxContentDivider>(content));
+
+	const auto addSection = [&](LangKey label, Type type) {
+		content->add(object_ptr<Button>(
+			content,
+			Lang::Viewer(label),
+			st::settingsSectionButton)
+		)->addClickHandler([=] {
+			_showOther.fire_copy(type);
+		});
+	};
+	addSection(lng_settings_section_info, Type::Information);
+	addSection(lng_settings_section_notify, Type::Notifications);
+	addSection(lng_settings_section_privacy, Type::PrivacySecurity);
+	addSection(lng_settings_section_general, Type::General);
+	addSection(lng_settings_section_chat_settings, Type::Chat);
+
+	Ui::ResizeFitChild(this, content);
+}
+
+rpl::producer<Type> Main::sectionShowOther() {
+	return _showOther.events();
+}
+
+} // namespace Settings
diff --git a/Telegram/SourceFiles/settings/settings_main.h b/Telegram/SourceFiles/settings/settings_main.h
new file mode 100644
index 0000000000..e971728161
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings_main.h
@@ -0,0 +1,28 @@
+/*
+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 "settings/settings_common.h"
+
+namespace Settings {
+
+class Main : public Section {
+public:
+	Main(QWidget *parent, not_null<UserData*> self);
+
+	rpl::producer<Type> sectionShowOther() override;
+
+private:
+	void setupContent();
+
+	not_null<UserData*> _self;
+	rpl::event_stream<Type> _showOther;
+
+};
+
+} // namespace Settings
diff --git a/Telegram/SourceFiles/settings/settings_notifications.cpp b/Telegram/SourceFiles/settings/settings_notifications.cpp
new file mode 100644
index 0000000000..7a6e31ac18
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings_notifications.cpp
@@ -0,0 +1,32 @@
+/*
+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 "settings/settings_notifications.h"
+
+#include "settings/settings_common.h"
+#include "boxes/abstract_box.h"
+#include "ui/wrap/vertical_layout.h"
+#include "lang/lang_keys.h"
+#include "styles/style_settings.h"
+
+namespace Settings {
+
+Notifications::Notifications(QWidget *parent, not_null<UserData*> self)
+: Section(parent)
+, _self(self) {
+	setupContent();
+}
+
+void Notifications::setupContent() {
+	const auto content = Ui::CreateChild<Ui::VerticalLayout>(this);
+
+	content->add(object_ptr<BoxContentDivider>(content));
+
+	Ui::ResizeFitChild(this, content);
+}
+
+} // namespace Settings
diff --git a/Telegram/SourceFiles/settings/settings_notifications.h b/Telegram/SourceFiles/settings/settings_notifications.h
new file mode 100644
index 0000000000..4bcdaba513
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings_notifications.h
@@ -0,0 +1,25 @@
+/*
+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 "settings/settings_common.h"
+
+namespace Settings {
+
+class Notifications : public Section {
+public:
+	Notifications(QWidget *parent, not_null<UserData*> self);
+
+private:
+	void setupContent();
+
+	not_null<UserData*> _self;
+
+};
+
+} // namespace Settings
diff --git a/Telegram/SourceFiles/settings/settings_privacy_security.cpp b/Telegram/SourceFiles/settings/settings_privacy_security.cpp
new file mode 100644
index 0000000000..dd1dd41b9c
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings_privacy_security.cpp
@@ -0,0 +1,32 @@
+/*
+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 "settings/settings_privacy_security.h"
+
+#include "settings/settings_common.h"
+#include "boxes/abstract_box.h"
+#include "ui/wrap/vertical_layout.h"
+#include "lang/lang_keys.h"
+#include "styles/style_settings.h"
+
+namespace Settings {
+
+PrivacySecurity::PrivacySecurity(QWidget *parent, not_null<UserData*> self)
+: Section(parent)
+, _self(self) {
+	setupContent();
+}
+
+void PrivacySecurity::setupContent() {
+	const auto content = Ui::CreateChild<Ui::VerticalLayout>(this);
+
+	content->add(object_ptr<BoxContentDivider>(content));
+
+	Ui::ResizeFitChild(this, content);
+}
+
+} // namespace Settings
diff --git a/Telegram/SourceFiles/settings/settings_privacy_security.h b/Telegram/SourceFiles/settings/settings_privacy_security.h
new file mode 100644
index 0000000000..ea0a030366
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings_privacy_security.h
@@ -0,0 +1,25 @@
+/*
+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 "settings/settings_common.h"
+
+namespace Settings {
+
+class PrivacySecurity : public Section {
+public:
+	PrivacySecurity(QWidget *parent, not_null<UserData*> self);
+
+private:
+	void setupContent();
+
+	not_null<UserData*> _self;
+
+};
+
+} // namespace Settings
diff --git a/Telegram/SourceFiles/ui/rp_widget.cpp b/Telegram/SourceFiles/ui/rp_widget.cpp
index 9cc48ccf0c..12b5b8b4ea 100644
--- a/Telegram/SourceFiles/ui/rp_widget.cpp
+++ b/Telegram/SourceFiles/ui/rp_widget.cpp
@@ -9,6 +9,20 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 namespace Ui {
 
+void ResizeFitChild(
+		not_null<RpWidget*> parent,
+		not_null<RpWidget*> child) {
+	parent->widthValue(
+	) | rpl::start_with_next([=](int width) {
+		child->resizeToWidth(width);
+	}, child->lifetime());
+
+	child->heightValue(
+	) | rpl::start_with_next([=](int height) {
+		parent->resize(parent->width(), height);
+	}, child->lifetime());
+}
+
 rpl::producer<QRect> RpWidgetMethods::geometryValue() const {
 	auto &stream = eventStreams().geometry;
 	return stream.events_starting_with_copy(callGetGeometry());
diff --git a/Telegram/SourceFiles/ui/rp_widget.h b/Telegram/SourceFiles/ui/rp_widget.h
index 87fae019b2..6e25cf1f9c 100644
--- a/Telegram/SourceFiles/ui/rp_widget.h
+++ b/Telegram/SourceFiles/ui/rp_widget.h
@@ -31,6 +31,8 @@ private:
 
 } // namespace details
 
+class RpWidget;
+
 template <typename Widget, typename ...Args>
 inline base::unique_qptr<Widget> CreateObject(Args &&...args) {
 	return base::make_unique_q<Widget>(
@@ -50,6 +52,10 @@ inline void DestroyChild(QWidget *child) {
 	delete child;
 }
 
+void ResizeFitChild(
+	not_null<RpWidget*> parent,
+	not_null<RpWidget*> child);
+
 template <typename Value>
 inline void AttachAsChild(not_null<QObject*> parent, Value &&value) {
 	using PlainValue = std::decay_t<Value>;
diff --git a/Telegram/SourceFiles/window/window_controller.cpp b/Telegram/SourceFiles/window/window_controller.cpp
index 196a70940f..a2ad73e7e1 100644
--- a/Telegram/SourceFiles/window/window_controller.cpp
+++ b/Telegram/SourceFiles/window/window_controller.cpp
@@ -8,7 +8,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "window/window_controller.h"
 
 #include "window/main_window.h"
+#include "old_settings/settings_widget.h"
 #include "info/info_memento.h"
+#include "info/info_controller.h"
 #include "history/history.h"
 #include "history/history_item.h"
 #include "history/view/history_view_element.h"
@@ -473,6 +475,26 @@ void Navigation::showPeerInfo(
 	showPeerInfo(history->peer->id, params);
 }
 
+void Navigation::showSettings(
+		Settings::Type type,
+		const SectionShow &params) {
+	const auto self = App::self();
+	if (!self) {
+		// #TODO settings
+		App::wnd()->showSpecialLayer(
+			Box<OldSettings::Widget>(),
+			params.animated);
+		return;
+	}
+	showSection(
+		Info::Memento(Info::Settings::Tag{ self }, Info::Section(type)),
+		params);
+}
+
+void Navigation::showSettings(const SectionShow &params) {
+	showSettings(Settings::Type::Main, params);
+}
+
 void Controller::showSection(
 		SectionMemento &&memento,
 		const SectionShow &params) {
diff --git a/Telegram/SourceFiles/window/window_controller.h b/Telegram/SourceFiles/window/window_controller.h
index ba8073419f..db67e3f93b 100644
--- a/Telegram/SourceFiles/window/window_controller.h
+++ b/Telegram/SourceFiles/window/window_controller.h
@@ -15,6 +15,10 @@ class MainWidget;
 class HistoryMessage;
 class HistoryService;
 
+namespace Settings {
+enum class Type;
+} // namespace Settings
+
 namespace Media {
 namespace Player {
 class RoundController;
@@ -114,6 +118,11 @@ public:
 		not_null<History*> history,
 		const SectionShow &params = SectionShow());
 
+	void showSettings(
+		Settings::Type type,
+		const SectionShow &params = SectionShow());
+	void showSettings(const SectionShow &params = SectionShow());
+
 	virtual ~Navigation() = default;
 
 };
diff --git a/Telegram/gyp/Telegram.gyp b/Telegram/gyp/Telegram.gyp
index 53eb407028..8b74a1b456 100644
--- a/Telegram/gyp/Telegram.gyp
+++ b/Telegram/gyp/Telegram.gyp
@@ -37,6 +37,7 @@
         '<(src_loc)/passport/passport.style',
         '<(src_loc)/profile/profile.style',
         '<(src_loc)/old_settings/old_settings.style',
+        '<(src_loc)/settings/settings.style',
         '<(src_loc)/chat_helpers/chat_helpers.style',
         '<(src_loc)/ui/widgets/widgets.style',
         '<(src_loc)/window/window.style',
diff --git a/Telegram/gyp/telegram_sources.txt b/Telegram/gyp/telegram_sources.txt
index 02e63f530a..60a03bce0a 100644
--- a/Telegram/gyp/telegram_sources.txt
+++ b/Telegram/gyp/telegram_sources.txt
@@ -315,6 +315,8 @@
 <(src_loc)/info/profile/info_profile_values.h
 <(src_loc)/info/profile/info_profile_widget.cpp
 <(src_loc)/info/profile/info_profile_widget.h
+<(src_loc)/info/settings/info_settings_widget.cpp
+<(src_loc)/info/settings/info_settings_widget.h
 <(src_loc)/inline_bots/inline_bot_layout_internal.cpp
 <(src_loc)/inline_bots/inline_bot_layout_internal.h
 <(src_loc)/inline_bots/inline_bot_layout_item.cpp
@@ -562,6 +564,20 @@
 <(src_loc)/old_settings/settings_scale_widget.h
 <(src_loc)/old_settings/settings_widget.cpp
 <(src_loc)/old_settings/settings_widget.h
+<(src_loc)/settings/settings_chat.cpp
+<(src_loc)/settings/settings_chat.h
+<(src_loc)/settings/settings_common.cpp
+<(src_loc)/settings/settings_common.h
+<(src_loc)/settings/settings_general.cpp
+<(src_loc)/settings/settings_general.h
+<(src_loc)/settings/settings_information.cpp
+<(src_loc)/settings/settings_information.h
+<(src_loc)/settings/settings_main.cpp
+<(src_loc)/settings/settings_main.h
+<(src_loc)/settings/settings_notifications.cpp
+<(src_loc)/settings/settings_notifications.h
+<(src_loc)/settings/settings_privacy_security.cpp
+<(src_loc)/settings/settings_privacy_security.h
 <(src_loc)/storage/file_download.cpp
 <(src_loc)/storage/file_download.h
 <(src_loc)/storage/file_upload.cpp