Allow disabling even system proxy settings.

Fixes #4944.

Telegram/Resources/langs/lang.strings

@@ -491,7 +491,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_connection_save" = "Save";
 
 "lng_proxy_settings" = "Proxy settings";
-"lng_proxy_use" = "Use proxy";
+"lng_proxy_disable" = "Disable proxy";
+"lng_proxy_use_system_settings" = "Use system proxy settings";
+"lng_proxy_use_custom" = "Use custom proxy";
 "lng_proxy_use_for_calls" = "Use proxy for calls";
 "lng_proxy_about" = "Proxy servers may be helpful in accessing Telegram if there is no connection in a specific region.";
 "lng_proxy_add" = "Add proxy";

Telegram/SourceFiles/apiwrap.cpp

@@ -195,11 +195,8 @@ void ApiWrap::refreshProxyPromotion() {
 		getProxyPromotionDelayed(now, next);
 		return;
 	}
-	const auto proxy = Global::UseProxy()
-		? Global::SelectedProxy()
-		: ProxyData();
 	const auto key = [&]() -> std::pair<QString, uint32> {
-		if (!Global::UseProxy()) {
+		if (Global::ProxySettings() != ProxyData::Settings::Enabled) {
 			return {};
 		}
 		const auto &proxy = Global::SelectedProxy();

Telegram/SourceFiles/application.cpp

@@ -362,7 +362,7 @@ void Application::refreshGlobalProxy() {
 #ifndef TDESKTOP_DISABLE_NETWORK_PROXY
 	const auto proxy = [&] {
 		if (Global::started()) {
-			return Global::UseProxy()
+			return (Global::ProxySettings() == ProxyData::Settings::Enabled)
 				? Global::SelectedProxy()
 				: ProxyData();
 		}
@@ -372,8 +372,11 @@ void Application::refreshGlobalProxy() {
 		|| proxy.type == ProxyData::Type::Http) {
 		QNetworkProxy::setApplicationProxy(
 			ToNetworkProxy(ToDirectIpProxy(proxy)));
-	} else {
+	} else if (!Global::started()
+		|| Global::ProxySettings() == ProxyData::Settings::System) {
 		QNetworkProxyFactory::setUseSystemConfiguration(true);
+	} else {
+		QNetworkProxy::setApplicationProxy(QNetworkProxy::NoProxy);
 	}
 #endif // TDESKTOP_DISABLE_NETWORK_PROXY
 }

Telegram/SourceFiles/boxes/connection_box.cpp

@@ -110,7 +110,7 @@ private:
 
 	not_null<ProxiesBoxController*> _controller;
 	QPointer<Ui::Checkbox> _tryIPv6;
-	QPointer<Ui::Checkbox> _useProxy;
+	std::shared_ptr<Ui::RadioenumGroup<ProxyData::Settings>> _proxySettings;
 	QPointer<Ui::SlideWrap<Ui::Checkbox>> _proxyForCalls;
 	QPointer<Ui::DividerLabel> _about;
 	base::unique_qptr<Ui::RpWidget> _noRows;
@@ -504,10 +504,29 @@ void ProxiesBox::setupContent() {
 			lang(lng_connection_try_ipv6),
 			Global::TryIPv6()),
 		st::proxyTryIPv6Padding);
-	_useProxy = inner->add(
-		object_ptr<Ui::Checkbox>(
+	_proxySettings
+		= std::make_shared<Ui::RadioenumGroup<ProxyData::Settings>>(
+			Global::ProxySettings());
+	inner->add(
+		object_ptr<Ui::Radioenum<ProxyData::Settings>>(
 			inner,
-			lang(lng_proxy_use)),
+			_proxySettings,
+			ProxyData::Settings::Disabled,
+			lang(lng_proxy_disable)),
+		st::proxyUsePadding);
+	inner->add(
+		object_ptr<Ui::Radioenum<ProxyData::Settings>>(
+			inner,
+			_proxySettings,
+			ProxyData::Settings::System,
+			lang(lng_proxy_use_system_settings)),
+		st::proxyUsePadding);
+	inner->add(
+		object_ptr<Ui::Radioenum<ProxyData::Settings>>(
+			inner,
+			_proxySettings,
+			ProxyData::Settings::Enabled,
+			lang(lng_proxy_use_custom)),
 		st::proxyUsePadding);
 	_proxyForCalls = inner->add(
 		object_ptr<Ui::SlideWrap<Ui::Checkbox>>(
@@ -543,9 +562,9 @@ void ProxiesBox::setupContent() {
 		inner,
 		st::proxyRowPadding.bottom()));
 
-	subscribe(_useProxy->checkedChanged, [=](bool checked) {
-		if (!_controller->setProxyEnabled(checked)) {
-			_useProxy->setChecked(false);
+	_proxySettings->setChangedCallback([=](ProxyData::Settings value) {
+		if (!_controller->setProxySettings(value)) {
+			_proxySettings->setValue(Global::ProxySettings());
 			addNewProxy();
 		}
 		refreshProxyForCalls();
@@ -553,11 +572,11 @@ void ProxiesBox::setupContent() {
 	subscribe(_tryIPv6->checkedChanged, [=](bool checked) {
 		_controller->setTryIPv6(checked);
 	});
-	_controller->proxyEnabledValue(
-	) | rpl::start_with_next([=](bool enabled) {
-		_useProxy->setChecked(enabled);
-	}, _useProxy->lifetime());
-	_useProxy->finishAnimating();
+	_controller->proxySettingsValue(
+	) | rpl::start_with_next([=](ProxyData::Settings value) {
+		_proxySettings->setValue(value);
+	}, inner->lifetime());
+
 	subscribe(_proxyForCalls->entity()->checkedChanged, [=](bool checked) {
 		_controller->setProxyForCalls(checked);
 	});
@@ -588,7 +607,8 @@ void ProxiesBox::refreshProxyForCalls() {
 		return;
 	}
 	_proxyForCalls->toggle(
-		_useProxy->checked() && _currentProxySupportsCallsId != 0,
+		(_proxySettings->value() == ProxyData::Settings::Enabled
+			&& _currentProxySupportsCallsId != 0),
 		anim::type::normal);
 }
 
@@ -1032,7 +1052,7 @@ ProxiesBoxController::ProxiesBoxController()
 	}) | ranges::to_vector;
 
 	subscribe(Global::RefConnectionTypeChanged(), [=] {
-		_proxyEnabledChanges.fire_copy(Global::UseProxy());
+		_proxySettingsChanges.fire_copy(Global::ProxySettings());
 		const auto i = findByProxy(Global::SelectedProxy());
 		if (i != end(_list)) {
 			updateView(*i);
@@ -1074,7 +1094,9 @@ void ProxiesBoxController::ShowApplyConfirmation(
 			if (ranges::find(proxies, proxy) == end(proxies)) {
 				proxies.push_back(proxy);
 			}
-			Messenger::Instance().setCurrentProxy(proxy, true);
+			Messenger::Instance().setCurrentProxy(
+				proxy,
+				ProxyData::Settings::Enabled);
 			Local::writeSettings();
 			if (const auto strong = box->data()) {
 				strong->closeBox();
@@ -1083,9 +1105,10 @@ void ProxiesBoxController::ShowApplyConfirmation(
 	}
 }
 
-rpl::producer<bool> ProxiesBoxController::proxyEnabledValue() const {
-	return _proxyEnabledChanges.events_starting_with_copy(
-		Global::UseProxy()
+auto ProxiesBoxController::proxySettingsValue() const
+-> rpl::producer<ProxyData::Settings> {
+	return _proxySettingsChanges.events_starting_with_copy(
+		Global::ProxySettings()
 	) | rpl::distinct_until_changed();
 }
 
@@ -1227,7 +1250,8 @@ void ProxiesBoxController::shareItem(int id) {
 
 void ProxiesBoxController::applyItem(int id) {
 	auto item = findById(id);
-	if (Global::UseProxy() && Global::SelectedProxy() == item->data) {
+	if ((Global::ProxySettings() == ProxyData::Settings::Enabled)
+		&& Global::SelectedProxy() == item->data) {
 		return;
 	} else if (item->deleted) {
 		return;
@@ -1235,7 +1259,9 @@ void ProxiesBoxController::applyItem(int id) {
 
 	auto j = findByProxy(Global::SelectedProxy());
 
-	Messenger::Instance().setCurrentProxy(item->data, true);
+	Messenger::Instance().setCurrentProxy(
+		item->data,
+		ProxyData::Settings::Enabled);
 	saveDelayed();
 
 	if (j != end(_list)) {
@@ -1254,11 +1280,11 @@ void ProxiesBoxController::setDeleted(int id, bool deleted) {
 
 		if (item->data == Global::SelectedProxy()) {
 			_lastSelectedProxy = base::take(Global::RefSelectedProxy());
-			if (Global::UseProxy()) {
+			if (Global::ProxySettings() == ProxyData::Settings::Enabled) {
 				_lastSelectedProxyUsed = true;
 				Messenger::Instance().setCurrentProxy(
 					ProxyData(),
-					false);
+					ProxyData::Settings::System);
 				saveDelayed();
 			} else {
 				_lastSelectedProxyUsed = false;
@@ -1278,12 +1304,12 @@ void ProxiesBoxController::setDeleted(int id, bool deleted) {
 		}
 
 		if (!Global::SelectedProxy() && _lastSelectedProxy == item->data) {
-			Assert(!Global::UseProxy());
+			Assert(Global::ProxySettings() != ProxyData::Settings::Enabled);
 
 			if (base::take(_lastSelectedProxyUsed)) {
 				Messenger::Instance().setCurrentProxy(
 					base::take(_lastSelectedProxy),
-					true);
+					ProxyData::Settings::Enabled);
 			} else {
 				Global::SetSelectedProxy(base::take(_lastSelectedProxy));
 			}
@@ -1372,10 +1398,10 @@ void ProxiesBoxController::addNewItem(const ProxyData &proxy) {
 	applyItem(_list.back().id);
 }
 
-bool ProxiesBoxController::setProxyEnabled(bool enabled) {
-	if (Global::UseProxy() == enabled) {
+bool ProxiesBoxController::setProxySettings(ProxyData::Settings value) {
+	if (Global::ProxySettings() == value) {
 		return true;
-	} else if (enabled) {
+	} else if (value == ProxyData::Settings::Enabled) {
 		if (Global::ProxiesList().empty()) {
 			return false;
 		} else if (!Global::SelectedProxy()) {
@@ -1388,7 +1414,7 @@ bool ProxiesBoxController::setProxyEnabled(bool enabled) {
 	}
 	Messenger::Instance().setCurrentProxy(
 		Global::SelectedProxy(),
-		enabled);
+		value);
 	saveDelayed();
 	return true;
 }
@@ -1398,7 +1424,8 @@ void ProxiesBoxController::setProxyForCalls(bool enabled) {
 		return;
 	}
 	Global::SetUseProxyForCalls(enabled);
-	if (Global::UseProxy() && Global::SelectedProxy().supportsCalls()) {
+	if ((Global::ProxySettings() == ProxyData::Settings::Enabled)
+		&& Global::SelectedProxy().supportsCalls()) {
 		Global::RefConnectionTypeChanged().notify();
 	}
 	saveDelayed();
@@ -1438,7 +1465,8 @@ void ProxiesBoxController::updateView(const Item &item) {
 		Unexpected("Proxy type in ProxiesBoxController::updateView.");
 	}();
 	const auto state = [&] {
-		if (!selected || !Global::UseProxy()) {
+		if (!selected
+			|| (Global::ProxySettings() != ProxyData::Settings::Enabled)) {
 			return item.state;
 		} else if (MTP::dcstate() == MTP::ConnectedState) {
 			return ItemState::Online;

Telegram/SourceFiles/boxes/connection_box.h

@@ -74,10 +74,10 @@ public:
 	void applyItem(int id);
 	object_ptr<BoxContent> editItemBox(int id);
 	object_ptr<BoxContent> addNewItemBox();
-	bool setProxyEnabled(bool enabled);
+	bool setProxySettings(ProxyData::Settings value);
 	void setProxyForCalls(bool enabled);
 	void setTryIPv6(bool enabled);
-	rpl::producer<bool> proxyEnabledValue() const;
+	rpl::producer<ProxyData::Settings> proxySettingsValue() const;
 
 	rpl::producer<ItemView> views() const;
 
@@ -117,7 +117,7 @@ private:
 	std::vector<Item> _list;
 	rpl::event_stream<ItemView> _views;
 	base::Timer _saveTimer;
-	rpl::event_stream<bool> _proxyEnabledChanges;
+	rpl::event_stream<ProxyData::Settings> _proxySettingsChanges;
 
 	ProxyData _lastSelectedProxy;
 	bool _lastSelectedProxyUsed = false;

Telegram/SourceFiles/calls/calls_call.cpp

@@ -597,7 +597,8 @@ void Call::createAndStartController(const MTPDphoneCall &call) {
 	_controller->SetConfig(config);
 	_controller->SetEncryptionKey(reinterpret_cast<char*>(_authKey.data()), (_type == Type::Outgoing));
 	_controller->SetCallbacks(callbacks);
-	if (Global::UseProxy() && Global::UseProxyForCalls()) {
+	if (Global::UseProxyForCalls()
+		&& (Global::ProxySettings() == ProxyData::Settings::Enabled)) {
 		const auto proxy = Global::SelectedProxy();
 		if (proxy.supportsCalls()) {
 			Assert(proxy.type == ProxyData::Type::Socks5);

Telegram/SourceFiles/core/utils.h

@@ -334,6 +334,11 @@ enum DBIWorkMode {
 };
 
 struct ProxyData {
+	enum class Settings {
+		System,
+		Enabled,
+		Disabled,
+	};
 	enum class Type {
 		None,
 		Socks5,

Telegram/SourceFiles/facades.cpp

@@ -662,7 +662,7 @@ struct Data {
 	bool TryIPv6 = (cPlatform() == dbipWindows) ? false : true;
 	std::vector<ProxyData> ProxiesList;
 	ProxyData SelectedProxy;
-	bool UseProxy = false;
+	ProxyData::Settings ProxySettings = ProxyData::Settings::System;
 	bool UseProxyForCalls = false;
 	base::Observable<void> ConnectionTypeChanged;
 
@@ -791,7 +791,7 @@ DefineVar(Global, bool, NotificationsDemoIsShown);
 DefineVar(Global, bool, TryIPv6);
 DefineVar(Global, std::vector<ProxyData>, ProxiesList);
 DefineVar(Global, ProxyData, SelectedProxy);
-DefineVar(Global, bool, UseProxy);
+DefineVar(Global, ProxyData::Settings, ProxySettings);
 DefineVar(Global, bool, UseProxyForCalls);
 DefineRefVar(Global, base::Observable<void>, ConnectionTypeChanged);
 

Telegram/SourceFiles/facades.h

@@ -317,7 +317,7 @@ DeclareVar(bool, NotificationsDemoIsShown);
 DeclareVar(bool, TryIPv6);
 DeclareVar(std::vector<ProxyData>, ProxiesList);
 DeclareVar(ProxyData, SelectedProxy);
-DeclareVar(bool, UseProxy);
+DeclareVar(ProxyData::Settings, ProxySettings);
 DeclareVar(bool, UseProxyForCalls);
 DeclareRefVar(base::Observable<void>, ConnectionTypeChanged);
 

Telegram/SourceFiles/messenger.cpp

@@ -283,18 +283,19 @@ bool Messenger::eventFilter(QObject *object, QEvent *e) {
 
 void Messenger::setCurrentProxy(
 		const ProxyData &proxy,
-		bool enabled) {
+		ProxyData::Settings settings) {
 	const auto key = [&](const ProxyData &proxy) {
 		if (proxy.type == ProxyData::Type::Mtproto) {
 			return std::make_pair(proxy.host, proxy.port);
 		}
 		return std::make_pair(QString(), uint32(0));
 	};
-	const auto previousKey = key(Global::UseProxy()
-		? Global::SelectedProxy()
-		: ProxyData());
+	const auto previousKey = key(
+		(Global::ProxySettings() == ProxyData::Settings::Enabled
+			? Global::SelectedProxy()
+			: ProxyData()));
 	Global::SetSelectedProxy(proxy);
-	Global::SetUseProxy(enabled);
+	Global::SetProxySettings(settings);
 	Sandbox::refreshGlobalProxy();
 	if (_mtproto) {
 		_mtproto->restart();
@@ -309,10 +310,16 @@ void Messenger::setCurrentProxy(
 }
 
 void Messenger::badMtprotoConfigurationError() {
-	if (Global::UseProxy() && !_badProxyDisableBox) {
+	if (Global::ProxySettings() == ProxyData::Settings::Enabled
+		&& !_badProxyDisableBox) {
+		const auto disableCallback = [=] {
+			setCurrentProxy(
+				Global::SelectedProxy(),
+				ProxyData::Settings::System);
+		};
 		_badProxyDisableBox = Ui::show(Box<InformBox>(
 			Lang::Hard::ProxyConfigError(),
-			[=] { setCurrentProxy(Global::SelectedProxy(), false); }));
+			disableCallback));
 	}
 }
 

Telegram/SourceFiles/messenger.h

@@ -107,7 +107,9 @@ public:
 	MTP::DcOptions *dcOptions() {
 		return _dcOptions.get();
 	}
-	void setCurrentProxy(const ProxyData &proxy, bool enabled);
+	void setCurrentProxy(
+		const ProxyData &proxy,
+		ProxyData::Settings settings);
 	void badMtprotoConfigurationError();
 
 	// Set from legacy storage.

Telegram/SourceFiles/mtproto/config_loader.cpp

@@ -102,7 +102,7 @@ void ConfigLoader::enumerate() {
 }
 
 void ConfigLoader::refreshSpecialLoader() {
-	if (Global::UseProxy()) {
+	if (Global::ProxySettings() == ProxyData::Settings::Enabled) {
 		_specialLoader.reset();
 		return;
 	}
@@ -157,7 +157,7 @@ void ConfigLoader::addSpecialEndpoint(
 
 void ConfigLoader::sendSpecialRequest() {
 	terminateSpecialRequest();
-	if (Global::UseProxy()) {
+	if (Global::ProxySettings() == ProxyData::Settings::Enabled) {
 		_specialLoader.reset();
 		return;
 	}

Telegram/SourceFiles/mtproto/mtp_instance.cpp

@@ -329,7 +329,8 @@ void Instance::Private::applyDomainIps(
 	for (auto &proxy : Global::RefProxiesList()) {
 		applyToProxy(proxy);
 	}
-	if (applyToProxy(Global::RefSelectedProxy()) && Global::UseProxy()) {
+	if (applyToProxy(Global::RefSelectedProxy())
+		&& (Global::ProxySettings() == ProxyData::Settings::Enabled)) {
 		for (auto &session : _sessions) {
 			session.second->refreshOptions();
 		}
@@ -358,7 +359,8 @@ void Instance::Private::setGoodProxyDomain(
 	for (auto &proxy : Global::RefProxiesList()) {
 		applyToProxy(proxy);
 	}
-	if (applyToProxy(Global::RefSelectedProxy()) && Global::UseProxy()) {
+	if (applyToProxy(Global::RefSelectedProxy())
+		&& (Global::ProxySettings() == ProxyData::Settings::Enabled)) {
 		Sandbox::refreshGlobalProxy();
 	}
 }

Telegram/SourceFiles/mtproto/session.cpp

@@ -171,9 +171,10 @@ void Session::restart() {
 
 void Session::refreshOptions() {
 	const auto &proxy = Global::SelectedProxy();
-	const auto proxyType = Global::UseProxy()
-		? proxy.type
-		: ProxyData::Type::None;
+	const auto proxyType =
+		(Global::ProxySettings() == ProxyData::Settings::Enabled
+			? proxy.type
+			: ProxyData::Type::None);
 	const auto useTcp = (proxyType != ProxyData::Type::Http);
 	const auto useHttp = (proxyType != ProxyData::Type::Mtproto);
 	const auto useIPv4 = true;
@@ -182,7 +183,9 @@ void Session::refreshOptions() {
 		_instance->systemLangCode(),
 		_instance->cloudLangCode(),
 		_instance->langPackName(),
-		Global::UseProxy() ? proxy : ProxyData(),
+		(Global::ProxySettings() == ProxyData::Settings::Enabled
+			? proxy
+			: ProxyData()),
 		useIPv4,
 		useIPv6,
 		useHttp,

Telegram/SourceFiles/settings/settings_advanced.cpp

@@ -43,7 +43,7 @@ void SetupConnectionType(not_null<Ui::VerticalLayout*> container) {
 #ifndef TDESKTOP_DISABLE_NETWORK_PROXY
 	const auto connectionType = [] {
 		const auto transport = MTP::dctransport();
-		if (!Global::UseProxy()) {
+		if (Global::ProxySettings() != ProxyData::Settings::Enabled) {
 			return transport.isEmpty()
 				? lang(lng_connection_auto_connecting)
 				: lng_connection_auto(lt_transport, transport);

Telegram/SourceFiles/storage/localstorage.cpp

@@ -612,7 +612,8 @@ enum {
 	dbictHttpAuto = 1, // not used
 	dbictHttpProxy = 2,
 	dbictTcpProxy = 3,
-	dbictProxiesList = 4,
+	dbictProxiesListOld = 4,
+	dbictProxiesList = 5,
 };
 
 typedef QMap<PeerId, FileKey> DraftsMap;
@@ -1214,7 +1215,9 @@ bool _readSetting(quint32 blockId, QDataStream &stream, int version, ReadSetting
 		} break;
 		};
 		Global::SetSelectedProxy(proxy ? proxy : ProxyData());
-		Global::SetUseProxy(proxy ? true : false);
+		Global::SetProxySettings(proxy
+			? ProxyData::Settings::Enabled
+			: ProxyData::Settings::System);
 		if (proxy) {
 			Global::SetProxiesList({ 1, proxy });
 		} else {
@@ -1248,14 +1251,16 @@ bool _readSetting(quint32 blockId, QDataStream &stream, int version, ReadSetting
 				: ProxyData::Type::None;
 			return proxy;
 		};
-		if (connectionType == dbictProxiesList) {
+		if (connectionType == dbictProxiesListOld
+			|| connectionType == dbictProxiesList) {
 			qint32 count = 0, index = 0;
 			stream >> count >> index;
-			if (std::abs(index) > count) {
-				Global::SetUseProxyForCalls(true);
+			qint32 settings = 0, calls = 0;
+			if (connectionType == dbictProxiesList) {
+				stream >> settings >> calls;
+			} else if (std::abs(index) > count) {
+				calls = 1;
 				index -= (index > 0 ? count : -count);
-			} else {
-				Global::SetUseProxyForCalls(false);
 			}
 
 			auto list = std::vector<ProxyData>();
@@ -1273,13 +1278,31 @@ bool _readSetting(quint32 blockId, QDataStream &stream, int version, ReadSetting
 				return false;
 			}
 			Global::SetProxiesList(list);
-			Global::SetUseProxy(index > 0 && index <= list.size());
-			index = std::abs(index);
+			if (connectionType == dbictProxiesListOld) {
+				settings = static_cast<qint32>(
+					(index > 0 && index <= list.size()
+						? ProxyData::Settings::Enabled
+						: ProxyData::Settings::System));
+				index = std::abs(index);
+			}
 			if (index > 0 && index <= list.size()) {
 				Global::SetSelectedProxy(list[index - 1]);
 			} else {
 				Global::SetSelectedProxy(ProxyData());
 			}
+
+			const auto unchecked = static_cast<ProxyData::Settings>(settings);
+			switch (unchecked) {
+			case ProxyData::Settings::Disabled:
+			case ProxyData::Settings::System:
+			case ProxyData::Settings::Enabled:
+				Global::SetProxySettings(unchecked);
+				break;
+			default:
+				Global::SetProxySettings(ProxyData::Settings::System);
+				break;
+			}
+			Global::SetUseProxyForCalls(calls == 1);
 		} else {
 			const auto proxy = readProxy();
 			if (!_checkStreamStatus(stream)) {
@@ -1290,14 +1313,14 @@ bool _readSetting(quint32 blockId, QDataStream &stream, int version, ReadSetting
 				Global::SetSelectedProxy(proxy);
 				if (connectionType == dbictTcpProxy
 					|| connectionType == dbictHttpProxy) {
-					Global::SetUseProxy(true);
+					Global::SetProxySettings(ProxyData::Settings::Enabled);
 				} else {
-					Global::SetUseProxy(false);
+					Global::SetProxySettings(ProxyData::Settings::System);
 				}
 			} else {
 				Global::SetProxiesList({});
 				Global::SetSelectedProxy(ProxyData());
-				Global::SetUseProxy(false);
+				Global::SetProxySettings(ProxyData::Settings::System);
 			}
 		}
 		Sandbox::refreshGlobalProxy();
@@ -2576,10 +2599,9 @@ void writeSettings() {
 
 	data.stream << quint32(dbiConnectionType) << qint32(dbictProxiesList);
 	data.stream << qint32(proxies.size());
-	const auto index = qint32(proxyIt - begin(proxies))
-		+ qint32(Global::UseProxyForCalls() ? proxies.size() : 0)
-		+ 1;
-	data.stream << (Global::UseProxy() ? index : -index);
+	data.stream << qint32(proxyIt - begin(proxies)) + 1;
+	data.stream << qint32(Global::ProxySettings());
+	data.stream << qint32(Global::UseProxyForCalls() ? 1 : 0);
 	for (const auto &proxy : proxies) {
 		data.stream << qint32(kProxyTypeShift + int(proxy.type));
 		data.stream << proxy.host << qint32(proxy.port) << proxy.user << proxy.password;

Telegram/SourceFiles/window/window_connecting_widget.cpp

@@ -345,7 +345,8 @@ void ConnectingWidget::refreshState() {
 	const auto state = [&]() -> State {
 		const auto under = isOver();
 		const auto mtp = MTP::dcstate();
-		const auto throughProxy = Global::UseProxy();
+		const auto throughProxy
+			= (Global::ProxySettings() == ProxyData::Settings::Enabled);
 		if (mtp == MTP::ConnectingState
 			|| mtp == MTP::DisconnectedState
 			|| (mtp < 0 && mtp > -600)) {