From 4aafcebef509903a1e3e649ea40126a6c06c18fa Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Tue, 25 Jan 2022 16:25:51 +0300
Subject: [PATCH] Add empty experimental settings section.

---
 Telegram/CMakeLists.txt                       |  2 +
 Telegram/Resources/langs/lang.strings         |  3 +
 Telegram/SourceFiles/info/info_top_bar.cpp    |  2 +
 .../settings/settings_advanced.cpp            | 26 ++++++++-
 .../SourceFiles/settings/settings_advanced.h  |  4 +-
 .../SourceFiles/settings/settings_common.cpp  |  3 +
 .../SourceFiles/settings/settings_common.h    |  1 +
 .../settings/settings_experimental.cpp        | 56 +++++++++++++++++++
 .../settings/settings_experimental.h          | 25 +++++++++
 .../SourceFiles/settings/settings_intro.cpp   |  2 +-
 10 files changed, 120 insertions(+), 4 deletions(-)
 create mode 100644 Telegram/SourceFiles/settings/settings_experimental.cpp
 create mode 100644 Telegram/SourceFiles/settings/settings_experimental.h

diff --git a/Telegram/CMakeLists.txt b/Telegram/CMakeLists.txt
index 58f6c99d0f..559738afd4 100644
--- a/Telegram/CMakeLists.txt
+++ b/Telegram/CMakeLists.txt
@@ -1027,6 +1027,8 @@ PRIVATE
     settings/settings_codes.h
     settings/settings_common.cpp
     settings/settings_common.h
+    settings/settings_experimental.cpp
+    settings/settings_experimental.h
     settings/settings_folders.cpp
     settings/settings_folders.h
     settings/settings_information.cpp
diff --git a/Telegram/Resources/langs/lang.strings b/Telegram/Resources/langs/lang.strings
index bee3d0f7cd..b677abe99a 100644
--- a/Telegram/Resources/langs/lang.strings
+++ b/Telegram/Resources/langs/lang.strings
@@ -392,6 +392,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_settings_section_scale" = "Interface Scale";
 "lng_settings_scale_auto" = "Auto ({cur})";
 
+"lng_settings_experimental" = "Experimental settings";
+"lng_settings_experimental_about" = "Warning! Those are experimental settings. Some may not work. Others may break the app. Any of them may disappear in the next version without a trace. Use at your own risk.";
+
 "lng_settings_section_chat_settings" = "Chat Settings";
 "lng_settings_replace_emojis" = "Replace emoji";
 "lng_settings_suggest_emoji" = "Suggest emoji replacements";
diff --git a/Telegram/SourceFiles/info/info_top_bar.cpp b/Telegram/SourceFiles/info/info_top_bar.cpp
index 79186333ed..b57ffd69a3 100644
--- a/Telegram/SourceFiles/info/info_top_bar.cpp
+++ b/Telegram/SourceFiles/info/info_top_bar.cpp
@@ -641,6 +641,8 @@ rpl::producer<QString> TitleValue(
 			return tr::lng_filters_title();
 		case Section::SettingsType::Calls:
 			return tr::lng_settings_section_call_settings();
+		case Section::SettingsType::Experimental:
+			return tr::lng_settings_experimental();
 		}
 		Unexpected("Bad settings type in Info::TitleValue()");
 
diff --git a/Telegram/SourceFiles/settings/settings_advanced.cpp b/Telegram/SourceFiles/settings/settings_advanced.cpp
index fd148b985a..1b86816505 100644
--- a/Telegram/SourceFiles/settings/settings_advanced.cpp
+++ b/Telegram/SourceFiles/settings/settings_advanced.cpp
@@ -80,7 +80,9 @@ bool HasUpdate() {
 	return !Core::UpdaterDisabled();
 }
 
-void SetupUpdate(not_null<Ui::VerticalLayout*> container) {
+void SetupUpdate(
+		not_null<Ui::VerticalLayout*> container,
+		Fn<void(Type)> showOther) {
 	if (!HasUpdate()) {
 		return;
 	}
@@ -112,6 +114,24 @@ void SetupUpdate(not_null<Ui::VerticalLayout*> container) {
 		tr::lng_settings_install_beta(),
 		st::settingsButton).get();
 
+	if (showOther) {
+		const auto experimental = inner->add(
+			object_ptr<Ui::SlideWrap<Button>>(
+				inner,
+				object_ptr<Button>(
+					inner,
+					tr::lng_settings_experimental(),
+					st::settingsButton)));
+		if (!install) {
+			experimental->toggle(true, anim::type::instant);
+		} else {
+			experimental->toggleOn(install->toggledValue());
+		}
+		experimental->entity()->setClickedCallback([=] {
+			showOther(Type::Experimental);
+		});
+	}
+
 	const auto check = AddButton(
 		inner,
 		tr::lng_settings_check_now(),
@@ -708,7 +728,9 @@ void Advanced::setupContent(not_null<Window::SessionController*> controller) {
 			addDivider();
 			AddSkip(content);
 			AddSubsectionTitle(content, tr::lng_settings_version_info());
-			SetupUpdate(content);
+			SetupUpdate(content, [=](Type type) {
+				_showOther.fire_copy(type);
+			});
 			AddSkip(content);
 		}
 	};
diff --git a/Telegram/SourceFiles/settings/settings_advanced.h b/Telegram/SourceFiles/settings/settings_advanced.h
index 60924f9d32..97109e508e 100644
--- a/Telegram/SourceFiles/settings/settings_advanced.h
+++ b/Telegram/SourceFiles/settings/settings_advanced.h
@@ -24,7 +24,9 @@ void SetupConnectionType(
 	not_null<Main::Account*> account,
 	not_null<Ui::VerticalLayout*> container);
 bool HasUpdate();
-void SetupUpdate(not_null<Ui::VerticalLayout*> container);
+void SetupUpdate(
+	not_null<Ui::VerticalLayout*> container,
+	Fn<void(Type)> showOther);
 void SetupSystemIntegrationContent(
 	Window::SessionController *controller,
 	not_null<Ui::VerticalLayout*> container);
diff --git a/Telegram/SourceFiles/settings/settings_common.cpp b/Telegram/SourceFiles/settings/settings_common.cpp
index 2d3ca39480..0780809ad2 100644
--- a/Telegram/SourceFiles/settings/settings_common.cpp
+++ b/Telegram/SourceFiles/settings/settings_common.cpp
@@ -15,6 +15,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "settings/settings_privacy_security.h"
 #include "settings/settings_folders.h"
 #include "settings/settings_calls.h"
+#include "settings/settings_experimental.h"
 #include "core/application.h"
 #include "ui/wrap/padding_wrap.h"
 #include "ui/wrap/vertical_layout.h"
@@ -59,6 +60,8 @@ object_ptr<Section> CreateSection(
 		return object_ptr<Chat>(parent, controller);
 	case Type::Calls:
 		return object_ptr<Calls>(parent, controller);
+	case Type::Experimental:
+		return object_ptr<Experimental>(parent, controller);
 	}
 	Unexpected("Settings section type in Widget::createInnerWidget.");
 }
diff --git a/Telegram/SourceFiles/settings/settings_common.h b/Telegram/SourceFiles/settings/settings_common.h
index a6862bac71..c4520ad1b5 100644
--- a/Telegram/SourceFiles/settings/settings_common.h
+++ b/Telegram/SourceFiles/settings/settings_common.h
@@ -41,6 +41,7 @@ enum class Type {
 	Chat,
 	Folders,
 	Calls,
+	Experimental,
 };
 
 using Button = Ui::SettingsButton;
diff --git a/Telegram/SourceFiles/settings/settings_experimental.cpp b/Telegram/SourceFiles/settings/settings_experimental.cpp
new file mode 100644
index 0000000000..04a25b6191
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings_experimental.cpp
@@ -0,0 +1,56 @@
+/*
+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_experimental.h"
+
+#include "ui/wrap/vertical_layout.h"
+#include "ui/widgets/buttons.h"
+#include "ui/widgets/labels.h"
+#include "chat_helpers/tabbed_panel.h"
+#include "lang/lang_keys.h"
+#include "styles/style_settings.h"
+#include "styles/style_layers.h"
+
+namespace Settings {
+namespace {
+
+void SetupExperimental(
+		not_null<Window::SessionController*> controller,
+		not_null<Ui::VerticalLayout*> container) {
+	AddSkip(container, st::settingsCheckboxesSkip);
+
+	container->add(
+		object_ptr<Ui::FlatLabel>(
+			container,
+			tr::lng_settings_experimental_about(),
+			st::boxLabel),
+		st::settingsDividerLabelPadding);
+
+	AddDivider(container);
+
+	AddSkip(container, st::settingsCheckboxesSkip);
+}
+
+} // namespace
+
+Experimental::Experimental(
+	QWidget *parent,
+	not_null<Window::SessionController*> controller)
+: Section(parent) {
+	setupContent(controller);
+}
+
+void Experimental::setupContent(
+		not_null<Window::SessionController*> controller) {
+	const auto content = Ui::CreateChild<Ui::VerticalLayout>(this);
+
+	SetupExperimental(controller, content);
+
+	Ui::ResizeFitChild(this, content);
+}
+
+} // namespace Settings
diff --git a/Telegram/SourceFiles/settings/settings_experimental.h b/Telegram/SourceFiles/settings/settings_experimental.h
new file mode 100644
index 0000000000..0d0e79dc4a
--- /dev/null
+++ b/Telegram/SourceFiles/settings/settings_experimental.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 Experimental : public Section {
+public:
+	Experimental(
+		QWidget *parent,
+		not_null<Window::SessionController*> controller);
+
+private:
+	void setupContent(not_null<Window::SessionController*> controller);
+
+};
+
+} // namespace Settings
diff --git a/Telegram/SourceFiles/settings/settings_intro.cpp b/Telegram/SourceFiles/settings/settings_intro.cpp
index e214b5c3e3..4f2c3d9add 100644
--- a/Telegram/SourceFiles/settings/settings_intro.cpp
+++ b/Telegram/SourceFiles/settings/settings_intro.cpp
@@ -69,7 +69,7 @@ object_ptr<Ui::RpWidget> CreateIntroSettings(
 	if (HasUpdate()) {
 		AddDivider(result);
 		AddSkip(result);
-		SetupUpdate(result);
+		SetupUpdate(result, nullptr);
 		AddSkip(result);
 	}
 	{