Initial support of separate windows for accounts.

Telegram/SourceFiles/apiwrap.cpp

@@ -123,22 +123,18 @@ using UpdatedFileReferences = Data::UpdatedFileReferences;
 
 [[nodiscard]] std::shared_ptr<Window::Show> ShowForPeer(
 		not_null<PeerData*> peer) {
-	const auto separate = Core::App().separateWindowForPeer(peer);
+	return std::make_shared<Window::Show>(Core::App().windowFor(peer));
-	const auto window = separate ? separate : Core::App().primaryWindow();
-	return std::make_shared<Window::Show>(window);
 }
 
 void ShowChannelsLimitBox(not_null<PeerData*> peer) {
-	const auto primary = Core::App().primaryWindow();
+	if (const auto window = Core::App().windowFor(peer)) {
-	if (!primary) {
+		window->invokeForSessionController(
-		return;
+			&peer->session().account(),
+			peer,
+			[&](not_null<Window::SessionController*> controller) {
+				controller->show(Box(ChannelsLimitBox, &peer->session()));
+			});
 	}
-	primary->invokeForSessionController(
-		&peer->session().account(),
-		peer,
-		[&](not_null<Window::SessionController*> controller) {
-			controller->show(Box(ChannelsLimitBox, &peer->session()));
-		});
 }
 
 } // namespace

Telegram/SourceFiles/boxes/abstract_box.cpp

@@ -20,7 +20,7 @@ void showBox(
 		LayerOptions options,
 		anim::type animated) {
 	const auto window = Core::IsAppLaunched()
-		? Core::App().primaryWindow()
+		? Core::App().activePrimaryWindow()
 		: nullptr;
 	if (window) {
 		window->show(std::move(content), options, animated);
@@ -31,7 +31,7 @@ void showBox(
 
 void hideLayer(anim::type animated) {
 	const auto window = Core::IsAppLaunched()
-		? Core::App().primaryWindow()
+		? Core::App().activePrimaryWindow()
 		: nullptr;
 	if (window) {
 		window->hideLayer(animated);
@@ -40,7 +40,7 @@ void hideLayer(anim::type animated) {
 
 bool isLayerShown() {
 	const auto window = Core::IsAppLaunched()
-		? Core::App().primaryWindow()
+		? Core::App().activePrimaryWindow()
 		: nullptr;
 	return window && window->isLayerShown();
 }

Telegram/SourceFiles/boxes/choose_filter_box.cpp

@@ -69,10 +69,11 @@ void ChangeFilterById(
 			MTP_flags(MTPmessages_UpdateDialogFilter::Flag::f_filter),
 			MTP_int(filter.id()),
 			filter.tl()
-		)).done([=, chat = history->peer->name(), name = filter.title()]{
+		)).done([=, chat = history->peer->name(), name = filter.title()] {
 			// Since only the primary window has dialogs list,
 			// We can safely show toast there.
-			if (const auto controller = Core::App().primaryWindow()) {
+			const auto account = &history->session().account();
+			if (const auto controller = Core::App().windowFor(account)) {
 				auto text = (add
 					? tr::lng_filters_toast_add
 					: tr::lng_filters_toast_remove)(

Telegram/SourceFiles/calls/group/calls_group_members.cpp

@@ -1194,10 +1194,7 @@ base::unique_qptr<Ui::PopupMenu> Members::Controller::createRowContextMenu(
 	const auto admin = IsGroupCallAdmin(_peer, participantPeer);
 	const auto session = &_peer->session();
 	const auto getCurrentWindow = [=]() -> Window::SessionController* {
-		if (const auto window = Core::App().separateWindowForPeer(
+		if (const auto window = Core::App().windowFor(participantPeer)) {
-				participantPeer)) {
-			return window->sessionController();
-		} else if (const auto window = Core::App().primaryWindow()) {
 			if (const auto controller = window->sessionController()) {
 				if (&controller->session() == session) {
 					return controller;

Telegram/SourceFiles/core/application.cpp

@@ -186,8 +186,9 @@ Application::~Application() {
 	// Depend on primaryWindow() for now :(
 	Shortcuts::Finish();
 
+	_closingAsyncWindows.clear();
 	_secondaryWindows.clear();
-	_primaryWindow = nullptr;
+	_primaryWindows.clear();
 	_mediaView = nullptr;
 	_notifications->clearAllFast();
 
@@ -280,13 +281,15 @@ void Application::run() {
 	// Create mime database, so it won't be slow later.
 	QMimeDatabase().mimeTypeForName(u"text/plain"_q);
 
-	_primaryWindow = std::make_unique<Window::Controller>();
+	_primaryWindows.emplace(nullptr, std::make_unique<Window::Controller>());
-	_lastActiveWindow = _primaryWindow.get();
+	_lastActiveWindow
+		= _lastActivePrimaryWindow
+		= _primaryWindows.front().second.get();
 
 	_domain->activeChanges(
 	) | rpl::start_with_next([=](not_null<Main::Account*> account) {
-		_primaryWindow->showAccount(account);
+		showAccount(account);
-	}, _primaryWindow->widget()->lifetime());
+	}, _lifetime);
 
 	(
 		_domain->activeValue(
@@ -303,15 +306,15 @@ void Application::run() {
 	) | rpl::start_with_next([=](not_null<Main::Account*> account) {
 		const auto ordered = _domain->orderedAccounts();
 		const auto it = ranges::find(ordered, account);
-		if (it != end(ordered)) {
+		if (_lastActivePrimaryWindow && it != end(ordered)) {
 			const auto index = std::distance(begin(ordered), it);
 			if ((index + 1) > _domain->maxAccounts()) {
-				_primaryWindow->show(Box(
+				_lastActivePrimaryWindow->show(Box(
 					AccountsLimitBox,
 					&account->session()));
 			}
 		}
-	}, _primaryWindow->widget()->lifetime());
+	}, _lifetime);
 
 	QCoreApplication::instance()->installEventFilter(this);
 
@@ -332,20 +335,20 @@ void Application::run() {
 
 	startTray();
 
-	_primaryWindow->widget()->show();
+	_lastActivePrimaryWindow->widget()->show();
 
-	const auto currentGeometry = _primaryWindow->widget()->geometry();
+	const auto current = _lastActivePrimaryWindow->widget()->geometry();
 	_mediaView = std::make_unique<Media::View::OverlayWidget>();
-	_primaryWindow->widget()->Ui::RpWidget::setGeometry(currentGeometry);
+	_lastActivePrimaryWindow->widget()->Ui::RpWidget::setGeometry(current);
 
 	DEBUG_LOG(("Application Info: showing."));
-	_primaryWindow->finishFirstShow();
+	_lastActivePrimaryWindow->finishFirstShow();
 
-	if (!_primaryWindow->locked() && cStartToSettings()) {
+	if (!_lastActivePrimaryWindow->locked() && cStartToSettings()) {
-		_primaryWindow->showSettings();
+		_lastActivePrimaryWindow->showSettings();
 	}
 
-	_primaryWindow->updateIsActiveFocus();
+	_lastActivePrimaryWindow->updateIsActiveFocus();
 
 	for (const auto &error : Shortcuts::Errors()) {
 		LOG(("Shortcuts Error: %1").arg(error));
@@ -362,11 +365,6 @@ void Application::run() {
 			_mediaView->show(std::move(request));
 		}
 	}, _lifetime);
-	_primaryWindow->openInMediaViewRequests(
-	) | rpl::start_to_stream(
-		_openInMediaViewRequests,
-		_primaryWindow->lifetime());
-
 	{
 		const auto countries = std::make_shared<Countries::Manager>(
 			_domain.get());
@@ -374,6 +372,25 @@ void Application::run() {
 			[[maybe_unused]] const auto countriesCopy = countries;
 		});
 	}
+
+	processCreatedWindow(_lastActivePrimaryWindow);
+}
+
+void Application::showAccount(not_null<Main::Account*> account) {
+	if (const auto separate = separateWindowForAccount(account)) {
+		_lastActivePrimaryWindow = separate;
+		separate->activate();
+	} else if (const auto last = activePrimaryWindow()) {
+		for (auto &[key, window] : _primaryWindows) {
+			if (window.get() == last && key != account.get()) {
+				auto found = std::move(window);
+				_primaryWindows.remove(key);
+				_primaryWindows.emplace(account, std::move(found));
+				break;
+			}
+		}
+		last->showAccount(account);
+	}
 }
 
 void Application::showOpenGLCrashNotification() {
@@ -390,7 +407,7 @@ void Application::showOpenGLCrashNotification() {
 		Core::App().settings().setDisableOpenGL(true);
 		Local::writeSettings();
 	};
-	_primaryWindow->show(Ui::MakeConfirmBox({
+	_lastActivePrimaryWindow->show(Ui::MakeConfirmBox({
 		.text = ""
 		"There may be a problem with your graphics drivers and OpenGL. "
 		"Try updating your drivers.\n\n"
@@ -447,15 +464,15 @@ void Application::startSystemDarkModeViewer() {
 
 void Application::enumerateWindows(Fn<void(
 		not_null<Window::Controller*>)> callback) const {
-	if (_primaryWindow) {
+	for (const auto &window : ranges::views::values(_primaryWindows)) {
-		callback(_primaryWindow.get());
+		callback(window.get());
 	}
 	for (const auto &window : ranges::views::values(_secondaryWindows)) {
 		callback(window.get());
 	}
 }
 
-void Application::processSecondaryWindow(
+void Application::processCreatedWindow(
 		not_null<Window::Controller*> window) {
 	window->openInMediaViewRequests(
 	) | rpl::start_to_stream(_openInMediaViewRequests, window->lifetime());
@@ -468,21 +485,29 @@ void Application::startTray() {
 	) | rpl::start_with_next([=] {
 		enumerateWindows([&](WindowRaw w) { w->updateIsActive(); });
 		_tray->updateMenuText();
-	}, _primaryWindow->widget()->lifetime());
+	}, _lifetime);
 
 	_tray->showFromTrayRequests(
 	) | rpl::start_with_next([=] {
 		const auto last = _lastActiveWindow;
-		enumerateWindows([&](WindowRaw w) { w->widget()->showFromTray(); });
+		const auto primary = _lastActivePrimaryWindow;
-		if (last) {
+		enumerateWindows([&](WindowRaw w) {
+			if (w != last && w != primary) {
+				w->widget()->showFromTray();
+			}
+		});
+		if (primary) {
+			primary->widget()->showFromTray();
+		}
+		if (last && last != primary) {
 			last->widget()->showFromTray();
 		}
-	}, _primaryWindow->widget()->lifetime());
+	}, _lifetime);
 
 	_tray->hideToTrayRequests(
 	) | rpl::start_with_next([=] {
 		enumerateWindows([&](WindowRaw w) { w->widget()->minimizeToTray(); });
-	}, _primaryWindow->widget()->lifetime());
+	}, _lifetime);
 }
 
 auto Application::prepareEmojiSourceImages()
@@ -504,10 +529,10 @@ void Application::clearEmojiSourceImages() {
 }
 
 bool Application::isActiveForTrayMenu() const {
-	if (_primaryWindow && _primaryWindow->widget()->isActiveForTrayMenu()) {
+	return ranges::any_of(ranges::views::values(_primaryWindows), [=](
-		return true;
+			const std::unique_ptr<Window::Controller> &controller) {
-	}
+		return controller->widget()->isActiveForTrayMenu();
-	return ranges::any_of(ranges::views::values(_secondaryWindows), [=](
+	}) || ranges::any_of(ranges::views::values(_secondaryWindows), [=](
 			const std::unique_ptr<Window::Controller> &controller) {
 		return controller->widget()->isActiveForTrayMenu();
 	});
@@ -562,8 +587,8 @@ bool Application::eventFilter(QObject *object, QEvent *e) {
 				cSetStartUrl(url.mid(0, 8192));
 				checkStartUrl();
 			}
-			if (StartUrlRequiresActivate(url)) {
+			if (_lastActivePrimaryWindow && StartUrlRequiresActivate(url)) {
-				_primaryWindow->activate();
+				_lastActivePrimaryWindow->activate();
 			}
 		}
 	} break;
@@ -804,15 +829,15 @@ void Application::checkLocalTime() {
 
 void Application::handleAppActivated() {
 	checkLocalTime();
-	if (_primaryWindow) {
+	if (_lastActiveWindow) {
-		_primaryWindow->updateIsActiveFocus();
+		_lastActiveWindow->updateIsActiveFocus();
 	}
 }
 
 void Application::handleAppDeactivated() {
-	if (_primaryWindow) {
+	enumerateWindows([&](not_null<Window::Controller*> w) {
-		_primaryWindow->updateIsActiveBlur();
+		w->updateIsActiveBlur();
-	}
+	});
 	const auto session = _lastActiveWindow
 		? _lastActiveWindow->maybeSession()
 		: nullptr;
@@ -845,8 +870,8 @@ void Application::switchDebugMode() {
 		Logs::SetDebugEnabled(true);
 		_launcher->writeDebugModeSetting();
 		DEBUG_LOG(("Debug logs started."));
-		if (_primaryWindow) {
+		if (_lastActivePrimaryWindow) {
-			_primaryWindow->hideLayer();
+			_lastActivePrimaryWindow->hideLayer();
 		}
 	}
 }
@@ -959,13 +984,17 @@ bool Application::canApplyLangPackWithoutRestart() const {
 }
 
 void Application::checkSendPaths() {
-	if (!cSendPaths().isEmpty() && _primaryWindow && !_primaryWindow->locked()) {
+	if (!cSendPaths().isEmpty()
-		_primaryWindow->widget()->sendPaths();
+		&& _lastActivePrimaryWindow
+		&& !_lastActivePrimaryWindow->locked()) {
+		_lastActivePrimaryWindow->widget()->sendPaths();
 	}
 }
 
 void Application::checkStartUrl() {
-	if (!cStartUrl().isEmpty() && _primaryWindow && !_primaryWindow->locked()) {
+	if (!cStartUrl().isEmpty()
+		&& _lastActivePrimaryWindow
+		&& !_lastActivePrimaryWindow->locked()) {
 		const auto url = cStartUrl();
 		cSetStartUrl(QString());
 		if (!openLocalUrl(url, {})) {
@@ -1029,8 +1058,8 @@ bool Application::openCustomUrl(
 	const auto my = context.value<ClickHandlerContext>();
 	const auto controller = my.sessionWindow.get()
 		? my.sessionWindow.get()
-		: _primaryWindow
+		: _lastActivePrimaryWindow
-		? _primaryWindow->sessionController()
+		? _lastActivePrimaryWindow->sessionController()
 		: nullptr;
 
 	using namespace qthelp;
@@ -1042,11 +1071,10 @@ bool Application::openCustomUrl(
 		}
 	}
 	return false;
-
 }
 
 void Application::preventOrInvoke(Fn<void()> &&callback) {
-	_primaryWindow->preventOrInvoke(std::move(callback));
+	_lastActivePrimaryWindow->preventOrInvoke(std::move(callback));
 }
 
 void Application::lockByPasscode() {
@@ -1150,7 +1178,7 @@ void Application::localPasscodeChanged() {
 }
 
 bool Application::hasActiveWindow(not_null<Main::Session*> session) const {
-	if (Quitting() || !_primaryWindow) {
+	if (Quitting() || !_lastActiveWindow) {
 		return false;
 	} else if (_calls->hasActivePanel(session)) {
 		return true;
@@ -1161,8 +1189,18 @@ bool Application::hasActiveWindow(not_null<Main::Session*> session) const {
 	return false;
 }
 
-Window::Controller *Application::primaryWindow() const {
+Window::Controller *Application::activePrimaryWindow() const {
-	return _primaryWindow.get();
+	return _lastActivePrimaryWindow;
+}
+
+Window::Controller *Application::separateWindowForAccount(
+	not_null<Main::Account*> account) const {
+	for (const auto &[openedAccount, window] : _primaryWindows) {
+		if (openedAccount == account.get()) {
+			return window.get();
+		}
+	}
+	return nullptr;
 }
 
 Window::Controller *Application::separateWindowForPeer(
@@ -1194,22 +1232,98 @@ Window::Controller *Application::ensureSeparateWindowForPeer(
 		peer->owner().history(peer),
 		std::make_unique<Window::Controller>(peer, showAtMsgId)
 	).first->second.get();
-	processSecondaryWindow(result);
+	processCreatedWindow(result);
 	result->widget()->show();
 	result->finishFirstShow();
 	return activate(result);
 }
 
+Window::Controller *Application::ensureSeparateWindowForAccount(
+		not_null<Main::Account*> account) {
+	const auto activate = [&](not_null<Window::Controller*> window) {
+		window->activate();
+		return window;
+	};
+
+	if (const auto existing = separateWindowForAccount(account)) {
+		return activate(existing);
+	}
+	const auto result = _primaryWindows.emplace(
+		account,
+		std::make_unique<Window::Controller>(account)
+	).first->second.get();
+	processCreatedWindow(result);
+	result->widget()->show();
+	result->finishFirstShow();
+	return activate(result);
+}
+
+Window::Controller *Application::windowFor(not_null<PeerData*> peer) const {
+	if (const auto separate = separateWindowForPeer(peer)) {
+		return separate;
+	}
+	return windowFor(&peer->account());
+}
+
+Window::Controller *Application::windowFor(
+		not_null<Main::Account*> account) const {
+	if (const auto separate = separateWindowForAccount(account)) {
+		return separate;
+	}
+	return activePrimaryWindow();
+}
+
 Window::Controller *Application::activeWindow() const {
 	return _lastActiveWindow;
 }
 
+bool Application::closeNonLastAsync(not_null<Window::Controller*> window) {
+	const auto hasOther = [&] {
+		for (const auto &[account, primary] : _primaryWindows) {
+			if (!_closingAsyncWindows.contains(primary.get())
+				&& primary.get() != window
+				&& primary->maybeSession()) {
+				return true;
+			}
+		}
+		return false;
+	}();
+	if (!hasOther) {
+		return false;
+	}
+	_closingAsyncWindows.emplace(window);
+	crl::on_main(window, [=] { closeWindow(window); });
+	return true;
+}
+
 void Application::closeWindow(not_null<Window::Controller*> window) {
+	const auto next = (_primaryWindows.front().second.get() != window)
+		? _primaryWindows.front().second.get()
+		: (_primaryWindows.back().second.get() != window)
+		? _primaryWindows.back().second.get()
+		: nullptr;
+	if (_lastActivePrimaryWindow == window) {
+		_lastActivePrimaryWindow = next;
+	}
+	if (_lastActiveWindow == window) {
+		_lastActiveWindow = next;
+		if (_lastActiveWindow) {
+			_lastActiveWindow->activate();
+		}
+	}
+	_closingAsyncWindows.remove(window);
+	for (auto i = begin(_primaryWindows); i != end(_primaryWindows);) {
+		if (i->second.get() == window) {
+			Assert(_lastActiveWindow != window);
+			Assert(_lastActivePrimaryWindow != window);
+			i = _primaryWindows.erase(i);
+		} else {
+			++i;
+		}
+	}
 	for (auto i = begin(_secondaryWindows); i != end(_secondaryWindows);) {
 		if (i->second.get() == window) {
-			if (_lastActiveWindow == window) {
+			Assert(_lastActiveWindow != window);
-				_lastActiveWindow = _primaryWindow.get();
-			}
 			i = _secondaryWindows.erase(i);
 		} else {
 			++i;
@@ -1218,11 +1332,12 @@ void Application::closeWindow(not_null<Window::Controller*> window) {
 }
 
 void Application::closeChatFromWindows(not_null<PeerData*> peer) {
+	if (const auto window = windowFor(peer)
+		; window && !window->isPrimary()) {
+		closeWindow(window);
+	}
 	for (const auto &[history, window] : _secondaryWindows) {
-		if (history->peer == peer) {
+		if (const auto session = window->sessionController()) {
-			closeWindow(window.get());
-			break;
-		} else if (const auto session = window->sessionController()) {
 			if (session->activeChatCurrent().peer() == peer) {
 				session->showPeerHistory(
 					window->singlePeer()->id,
@@ -1230,8 +1345,8 @@ void Application::closeChatFromWindows(not_null<PeerData*> peer) {
 			}
 		}
 	}
-	if (_primaryWindow && _primaryWindow->sessionController()) {
+	if (const auto window = windowFor(&peer->account())) {
-		const auto primary = _primaryWindow->sessionController();
+		const auto primary = window->sessionController();
 		if ((primary->activeChatCurrent().peer() == peer)
 			&& (&primary->session() == &peer->session())) {
 			primary->clearSectionStack();
@@ -1249,6 +1364,10 @@ void Application::windowActivated(not_null<Window::Controller*> window) {
 	const auto now = window;
 	_lastActiveWindow = window;
 
+	if (window->isPrimary()) {
+		_lastActivePrimaryWindow = window;
+	}
+
 	const auto wasSession = was ? was->maybeSession() : nullptr;
 	const auto nowSession = now->maybeSession();
 	if (wasSession != nowSession) {
@@ -1410,8 +1529,8 @@ void Application::quitPreventFinished() {
 }
 
 void Application::quitDelayed() {
-	if (_primaryWindow) {
+	for (const auto &[account, window] : _primaryWindows) {
-		_primaryWindow->widget()->hide();
+		window->widget()->hide();
 	}
 	for (const auto &[history, window] : _secondaryWindows) {
 		window->widget()->hide();

Telegram/SourceFiles/core/application.h

@@ -152,13 +152,25 @@ public:
 
 	// Windows interface.
 	bool hasActiveWindow(not_null<Main::Session*> session) const;
-	[[nodiscard]] Window::Controller *primaryWindow() const;
+
+	// Don't auto-switch.
 	[[nodiscard]] Window::Controller *activeWindow() const;
+	[[nodiscard]] Window::Controller *activePrimaryWindow() const;
+	[[nodiscard]] Window::Controller *separateWindowForAccount(
+		not_null<Main::Account*> account) const;
 	[[nodiscard]] Window::Controller *separateWindowForPeer(
 		not_null<PeerData*> peer) const;
 	Window::Controller *ensureSeparateWindowForPeer(
 		not_null<PeerData*> peer,
 		MsgId showAtMsgId);
+	Window::Controller *ensureSeparateWindowForAccount(
+		not_null<Main::Account*> account);
+	[[nodiscard]] Window::Controller *windowFor( // Doesn't auto-switch.
+		not_null<PeerData*> peer) const;
+	[[nodiscard]] Window::Controller *windowFor( // Doesn't auto-switch.
+		not_null<Main::Account*> account) const;
+	[[nodiscard]] bool closeNonLastAsync(
+		not_null<Window::Controller*> window);
 	void closeWindow(not_null<Window::Controller*> window);
 	void windowActivated(not_null<Window::Controller*> window);
 	bool closeActiveWindow();
@@ -325,9 +337,10 @@ private:
 	void startSystemDarkModeViewer();
 	void startTray();
 
+	void showAccount(not_null<Main::Account*> account);
 	void enumerateWindows(
 		Fn<void(not_null<Window::Controller*>)> callback) const;
-	void processSecondaryWindow(not_null<Window::Controller*> window);
+	void processCreatedWindow(not_null<Window::Controller*> window);
 
 	friend void QuitAttempt();
 	void quitDelayed();
@@ -375,11 +388,15 @@ private:
 	const std::unique_ptr<Main::Domain> _domain;
 	const std::unique_ptr<Export::Manager> _exportManager;
 	const std::unique_ptr<Calls::Instance> _calls;
-	std::unique_ptr<Window::Controller> _primaryWindow;
+	base::flat_map<
+		Main::Account*,
+		std::unique_ptr<Window::Controller>> _primaryWindows;
+	base::flat_set<not_null<Window::Controller*>> _closingAsyncWindows;
 	base::flat_map<
 		not_null<History*>,
 		std::unique_ptr<Window::Controller>> _secondaryWindows;
 	Window::Controller *_lastActiveWindow = nullptr;
+	Window::Controller *_lastActivePrimaryWindow = nullptr;
 
 	std::unique_ptr<Media::View::OverlayWidget> _mediaView;
 	const std::unique_ptr<Lang::Instance> _langpack;

Telegram/SourceFiles/core/sandbox.cpp

@@ -661,8 +661,8 @@ void Sandbox::closeApplication() {
 uint64 Sandbox::execExternal(const QString &cmd) {
 	DEBUG_LOG(("Sandbox Info: executing external command '%1'").arg(cmd));
 	if (cmd == "show") {
-		if (Core::IsAppLaunched() && Core::App().primaryWindow()) {
+		if (Core::IsAppLaunched() && Core::App().activePrimaryWindow()) {
-			const auto window = Core::App().primaryWindow();
+			const auto window = Core::App().activePrimaryWindow();
 			window->activate();
 			return Platform::ActivationWindowId(window->widget());
 		} else if (const auto window = PreLaunchWindow::instance()) {

Telegram/SourceFiles/core/shortcuts.cpp

@@ -443,7 +443,7 @@ void Manager::set(const QString &keys, Command command, bool replace) {
 	}
 	auto shortcut = base::make_unique_q<QShortcut>(
 		result,
-		Core::App().primaryWindow()->widget().get(),
+		Core::App().activePrimaryWindow()->widget().get(), // #TODO windows
 		nullptr,
 		nullptr,
 		Qt::ApplicationShortcut);

Telegram/SourceFiles/core/ui_integration.cpp

@@ -124,7 +124,8 @@ QString UiIntegration::angleBackendFilePath() {
 }
 
 void UiIntegration::textActionsUpdated() {
-	if (const auto window = Core::App().primaryWindow()) {
+	// #TODO windows global menu
+	if (const auto window = Core::App().activePrimaryWindow()) {
 		window->widget()->updateGlobalMenu();
 	}
 }

Telegram/SourceFiles/core/update_checker.cpp

@@ -1649,7 +1649,7 @@ void UpdateApplication() {
 	} else {
 		cSetAutoUpdate(true);
 		const auto window = Core::IsAppLaunched()
-			? Core::App().primaryWindow()
+			? Core::App().activePrimaryWindow()
 			: nullptr;
 		if (window) {
 			if (const auto controller = window->sessionController()) {

Telegram/SourceFiles/data/data_download_manager.cpp

@@ -508,9 +508,13 @@ HistoryItem *DownloadManager::lookupLoadingItem(
 void DownloadManager::loadingStopWithConfirmation(
 		Fn<void()> callback,
 		Main::Session *onlyInSession) {
-	const auto window = Core::App().primaryWindow();
 	const auto item = lookupLoadingItem(onlyInSession);
-	if (!window || !item) {
+	if (!item) {
+		return;
+	}
+	const auto window = Core::App().windowFor(
+		&item->history()->session().account());
+	if (!window) {
 		return;
 	}
 	const auto weak = base::make_weak(&item->history()->session());

Telegram/SourceFiles/dialogs/dialogs_inner_widget.cpp

@@ -70,7 +70,7 @@ namespace {
 constexpr auto kHashtagResultsLimit = 5;
 constexpr auto kStartReorderThreshold = 30;
 
-base::options::toggle TabbedPanelShowOnClick({
+base::options::toggle CtrlClickChatNewWindow({
 	.id = kOptionCtrlClickChatNewWindow,
 	.name = "New chat window by Ctrl+Click",
 	.description = "Open chat in a new window by Ctrl+Click "
@@ -3310,7 +3310,7 @@ bool InnerWidget::chooseRow(
 	const auto modifyChosenRow = [](
 			ChosenRow row,
 			Qt::KeyboardModifiers modifiers) {
-		if (TabbedPanelShowOnClick.value()) {
+		if (CtrlClickChatNewWindow.value()) {
 			row.newWindow = (modifiers & Qt::ControlModifier);
 		}
 		return row;

Telegram/SourceFiles/history/history_widget.cpp

@@ -732,8 +732,9 @@ HistoryWidget::HistoryWidget(
 		if (flags & PeerUpdateFlag::UnavailableReason) {
 			const auto unavailable = _peer->computeUnavailableReason();
 			if (!unavailable.isEmpty()) {
+				const auto account = &_peer->account();
 				closeCurrent();
-				if (const auto primary = Core::App().primaryWindow()) {
+				if (const auto primary = Core::App().windowFor(account)) {
 					primary->show(Ui::MakeInformBox(unavailable));
 				}
 				return;
@@ -3017,7 +3018,7 @@ void HistoryWidget::messagesFailed(const MTP::Error &error, int requestId) {
 		|| error.type() == u"USER_BANNED_IN_CHANNEL"_q) {
 		auto was = _peer;
 		closeCurrent();
-		if (const auto primary = Core::App().primaryWindow()) {
+		if (const auto primary = Core::App().windowFor(&was->account())) {
 			Ui::ShowMultilineToast({
 				.parentOverride = Window::Show(primary).toastParent(),
 				.text = { (was && was->isMegagroup())

Telegram/SourceFiles/main/main_domain.cpp

@@ -75,7 +75,7 @@ Storage::StartResult Domain::start(const QByteArray &passcode) {
 
 void Domain::finish() {
 	_accountToActivate = -1;
-	_active = nullptr;
+	_active.reset(nullptr);
 	base::take(_accounts);
 }
 
@@ -417,9 +417,13 @@ void Domain::checkForLastProductionConfig(
 }
 
 void Domain::maybeActivate(not_null<Main::Account*> account) {
-	Core::App().preventOrInvoke(crl::guard(account, [=] {
+	if (Core::App().separateWindowForAccount(account)) {
 		activate(account);
-	}));
+	} else {
+		Core::App().preventOrInvoke(crl::guard(account, [=] {
+			activate(account);
+		}));
+	}
 }
 
 void Domain::activate(not_null<Main::Account*> account) {

Telegram/SourceFiles/main/main_session.cpp

@@ -20,6 +20,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "chat_helpers/stickers_emoji_pack.h"
 #include "chat_helpers/stickers_dice_pack.h"
 #include "chat_helpers/stickers_gift_box_pack.h"
+#include "history/history.h"
+#include "history/history_item.h"
 #include "inline_bots/bot_attach_web_view.h"
 #include "storage/file_download.h"
 #include "storage/download_manager_mtproto.h"
@@ -411,12 +413,12 @@ bool Session::uploadsInProgress() const {
 }
 
 void Session::uploadsStopWithConfirmation(Fn<void()> done) {
-	const auto window = Core::App().primaryWindow();
-	if (!window) {
-		return;
-	}
 	const auto id = _uploader->currentUploadId();
-	const auto exists = !!data().message(id);
+	const auto message = data().message(id);
+	const auto exists = (message != nullptr);
+	const auto window = message
+		? Core::App().windowFor(message->history()->peer)
+		: Core::App().activePrimaryWindow();
 	auto box = Box([=](not_null<Ui::GenericBox*> box) {
 		box->addRow(
 			object_ptr<Ui::FlatLabel>(

Telegram/SourceFiles/mainwidget.cpp

@@ -1214,10 +1214,22 @@ bool MainWidget::showHistoryInDifferentWindow(
 			showAtMsgId);
 		separate->activate();
 		return true;
-	} else if (isPrimary() || (singlePeer()->id == peerId)) {
+	} else if (isPrimary()) {
+		const auto primary = Core::App().separateWindowForAccount(
+			&peer->account());
+		if (primary != &_controller->window()) {
+			primary->sessionController()->showPeerHistory(
+				peerId,
+				params,
+				showAtMsgId);
+			primary->activate();
+			return true;
+		}
+		return false;
+	} else if (singlePeer()->id == peerId) {
 		return false;
 	}
-	const auto primary = Core::App().primaryWindow();
+	const auto primary = Core::App().activePrimaryWindow();
 	if (&primary->account() != &session().account()) {
 		primary->showAccount(&session().account());
 	}

Telegram/SourceFiles/mainwindow.cpp

@@ -666,11 +666,8 @@ void MainWindow::closeEvent(QCloseEvent *e) {
 		e->accept();
 		Core::Quit();
 		return;
-	} else if (!isPrimary()) {
+	} else if (Core::App().closeNonLastAsync(&controller())) {
 		e->accept();
-		crl::on_main(this, [=] {
-			Core::App().closeWindow(&controller());
-		});
 		return;
 	}
 	e->ignore();

Telegram/SourceFiles/media/player/media_player_instance.cpp

@@ -308,7 +308,8 @@ void Instance::clearStreamed(not_null<Data*> data, bool savePosition) {
 	data->streamed = nullptr;
 
 	_roundPlaying = false;
-	if (const auto window = Core::App().primaryWindow()) {
+	// #TODO windows
+	if (const auto window = Core::App().activePrimaryWindow()) {
 		if (const auto controller = window->sessionController()) {
 			controller->disableGifPauseReason(
 				Window::GifPauseReason::RoundPlaying);
@@ -1292,7 +1293,8 @@ void Instance::handleStreamingUpdate(
 				requestRoundVideoRepaint();
 			});
 			_roundPlaying = true;
-			if (const auto window = Core::App().primaryWindow()) {
+			// #TODO windows
+			if (const auto window = Core::App().activePrimaryWindow()) {
 				if (const auto controller = window->sessionController()) {
 					controller->enableGifPauseReason(
 						Window::GifPauseReason::RoundPlaying);

Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp

@@ -4835,7 +4835,14 @@ Window::SessionController *OverlayWidget::findWindow(bool switchTo) const {
 
 	if (switchTo) {
 		auto controllerPtr = (Window::SessionController*)nullptr;
-		const auto anyWindow = window ? window : Core::App().primaryWindow();
+		const auto account = &_session->account();
+		const auto sessionWindow = Core::App().windowFor(account);
+		const auto anyWindow = (sessionWindow
+			&& &sessionWindow->account() == account)
+			? sessionWindow
+			: window
+			? window
+			: sessionWindow;
 		if (anyWindow) {
 			anyWindow->invokeForSessionController(
 				&_session->account(),

Telegram/SourceFiles/platform/linux/specific_linux.cpp

@@ -270,7 +270,7 @@ void LaunchGApplication() {
 		app->signal_activate().connect([] {
 			Core::Sandbox::Instance().customEnterFromEventLoop([] {
 				const auto window = Core::IsAppLaunched()
-					? Core::App().primaryWindow()
+					? Core::App().activePrimaryWindow()
 					: nullptr;
 				if (window) {
 					window->activate();
@@ -298,7 +298,7 @@ void LaunchGApplication() {
 					}
 					if (Core::StartUrlRequiresActivate(url)) {
 						const auto window = Core::IsAppLaunched()
-							? Core::App().primaryWindow()
+							? Core::App().activePrimaryWindow()
 							: nullptr;
 						if (window) {
 							window->activate();

Telegram/SourceFiles/platform/linux/tray_linux.cpp

@@ -26,8 +26,9 @@ namespace Platform {
 namespace {
 
 [[nodiscard]] QWidget *Parent() {
-	Expects(Core::App().primaryWindow() != nullptr);
+	Expects(Core::App().activePrimaryWindow() != nullptr);
-	return Core::App().primaryWindow()->widget();
+
+	return Core::App().activePrimaryWindow()->widget();
 }
 
 } // namespace

Telegram/SourceFiles/platform/mac/touchbar/items/mac_pinned_chats_item.mm

@@ -767,7 +767,7 @@ TimeId CalculateOnlineTill(not_null<PeerData*> peer) {
 		return;
 	}
 
-	const auto active = Core::App().primaryWindow();
+	const auto active = Core::App().activePrimaryWindow();
 	const auto controller = active ? active->sessionController() : nullptr;
 	const auto openFolder = [=] {
 		const auto folder = _session->data().folderLoaded(Data::Folder::kId);

Telegram/SourceFiles/platform/mac/tray_mac.mm

@@ -223,8 +223,9 @@ void UpdateIcon(const NSStatusItem *status) {
 }
 
 [[nodiscard]] QWidget *Parent() {
-	Expects(Core::App().primaryWindow() != nullptr);
+	Expects(Core::App().activePrimaryWindow() != nullptr);
-	return Core::App().primaryWindow()->widget();
+
+	return Core::App().activePrimaryWindow()->widget();
 }
 
 } // namespace

Telegram/SourceFiles/platform/mac/window_title_mac.mm

@@ -22,8 +22,8 @@ namespace Platform {
 // account, with 100% scale and without "px" dimensions, because thats
 // how it will look in real launched macOS app.
 int PreviewTitleHeight() {
-	if (auto window = Core::App().primaryWindow()) {
+	if (const auto window = Core::App().activePrimaryWindow()) {
-		if (auto height = window->widget()->getCustomTitleHeight()) {
+		if (const auto height = window->widget()->getCustomTitleHeight()) {
 			return height;
 		}
 	}

Telegram/SourceFiles/platform/win/main_window_win.cpp

@@ -206,12 +206,8 @@ void MainWindow::shadowsDeactivate() {
 }
 
 void MainWindow::destroyedFromSystem() {
-	if (isPrimary()) {
+	if (!Core::App().closeNonLastAsync(&controller())) {
 		Core::Quit();
-	} else {
-		crl::on_main(this, [=] {
-			Core::App().closeWindow(&controller());
-		});
 	}
 }
 

Telegram/SourceFiles/platform/win/tray_win.cpp

@@ -90,8 +90,9 @@ constexpr auto kTooltipDelay = crl::time(10000);
 }
 
 [[nodiscard]] QWidget *Parent() {
-	Expects(Core::App().primaryWindow() != nullptr);
+	Expects(Core::App().activePrimaryWindow() != nullptr);
-	return Core::App().primaryWindow()->widget();
+
+	return Core::App().activePrimaryWindow()->widget();
 }
 
 } // namespace
@@ -135,7 +136,7 @@ void Tray::updateIcon() {
 	}
 	const auto counter = Core::App().unreadBadge();
 	const auto muted = Core::App().unreadBadgeMuted();
-	const auto controller = Core::App().primaryWindow();
+	const auto controller = Core::App().activePrimaryWindow();
 	const auto session = !controller
 		? nullptr
 		: !controller->sessionController()

Telegram/SourceFiles/settings/settings_information.cpp

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "settings/settings_information.h"
 
+#include "dialogs/dialogs_inner_widget.h" // kOptionCtrlClickChatNewWindow.
 #include "editor/photo_editor_layer_widget.h"
 #include "settings/settings_common.h"
 #include "ui/wrap/vertical_layout.h"
@@ -51,6 +52,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "api/api_user_names.h"
 #include "core/file_utilities.h"
 #include "base/call_delayed.h"
+#include "base/options.h"
 #include "base/unixtime.h"
 #include "base/random.h"
 #include "styles/style_dialogs.h" // dialogsPremiumIcon
@@ -560,7 +562,7 @@ void SetupAccountsWrap(
 		QWidget *parent,
 		not_null<Window::SessionController*> window,
 		not_null<Main::Account*> account,
-		Fn<void()> callback,
+		Fn<void(Qt::KeyboardModifiers)> callback,
 		bool locked) {
 	const auto active = (account == &Core::App().activeAccount());
 	const auto session = &account->session();
@@ -642,7 +644,7 @@ void SetupAccountsWrap(
 	raw->clicks(
 	) | rpl::start_with_next([=](Qt::MouseButton which) {
 		if (which == Qt::LeftButton) {
-			callback();
+			callback(raw->clickModifiers());
 			return;
 		} else if (which != Qt::RightButton) {
 			return;
@@ -854,17 +856,24 @@ void AccountsList::rebuild() {
 			button = nullptr;
 		} else if (!button) {
 			const auto nextIsLocked = (inner->count() >= premiumLimit);
-			auto callback = [=] {
+			auto callback = [=](Qt::KeyboardModifiers modifiers) {
 				if (_reordering) {
 					return;
 				}
-				if (account == &Core::App().domain().active()) {
+				if (account == &_controller->session().account()) {
 					_currentAccountActivations.fire({});
 					return;
 				}
+				const auto newWindow = (modifiers & Qt::ControlModifier)
+					&& base::options::lookup<bool>(
+						Dialogs::kOptionCtrlClickChatNewWindow).value();
 				auto activate = [=, guard = _accountSwitchGuard.make_guard()]{
 					if (guard) {
 						_reorder->finishReordering();
+						if (newWindow) {
+							Core::App().ensureSeparateWindowForAccount(
+								account);
+						}
 						Core::App().domain().maybeActivate(account);
 					}
 				};

Telegram/SourceFiles/window/notifications_manager.cpp

@@ -565,7 +565,8 @@ void System::showNext() {
 	const auto &settings = Core::App().settings();
 	if (alertThread) {
 		if (settings.flashBounceNotify() && !_manager->skipFlashBounce()) {
-			if (const auto window = Core::App().primaryWindow()) {
+			const auto peer = alertThread->peer();
+			if (const auto window = Core::App().windowFor(peer)) {
 				if (const auto handle = window->widget()->windowHandle()) {
 					handle->alert(kSystemAlertDuration);
 					// (handle, SLOT(_q_clearAlert())); in the future.

Telegram/SourceFiles/window/notifications_manager_default.cpp

@@ -47,15 +47,17 @@ namespace Notifications {
 namespace Default {
 namespace {
 
-QPoint notificationStartPosition() {
+[[nodiscard]] QPoint notificationStartPosition() {
 	const auto corner = Core::App().settings().notificationsCorner();
-	const auto window = Core::App().primaryWindow();
+	const auto window = Core::App().activePrimaryWindow();
 	const auto r = window
 		? window->widget()->desktopRect()
 		: QGuiApplication::primaryScreen()->availableGeometry();
 	const auto isLeft = Core::Settings::IsLeftCorner(corner);
 	const auto isTop = Core::Settings::IsTopCorner(corner);
-	const auto x = (isLeft == rtl()) ? (r.x() + r.width() - st::notifyWidth - st::notifyDeltaX) : (r.x() + st::notifyDeltaX);
+	const auto x = (isLeft == rtl())
+		? (r.x() + r.width() - st::notifyWidth - st::notifyDeltaX)
+		: (r.x() + st::notifyDeltaX);
 	const auto y = isTop ? r.y() : (r.y() + r.height());
 	return QPoint(x, y);
 }

Telegram/SourceFiles/window/window_controller.cpp

@@ -43,6 +43,11 @@ namespace Window {
 Controller::Controller() : Controller(CreateArgs{}) {
 }
 
+Controller::Controller(not_null<Main::Account*> account)
+: Controller(CreateArgs{}) {
+	showAccount(account);
+}
+
 Controller::Controller(
 	not_null<PeerData*> singlePeer,
 	MsgId showAtMsgId)

Telegram/SourceFiles/window/window_controller.h

@@ -25,6 +25,7 @@ namespace Window {
 class Controller final : public base::has_weak_ptr {
 public:
 	Controller();
+	explicit Controller(not_null<Main::Account*> account);
 	Controller(
 		not_null<PeerData*> singlePeer,
 		MsgId showAtMsgId);

Telegram/SourceFiles/window/window_session_controller.cpp

@@ -71,6 +71,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/boxes/confirm_box.h"
 #include "mainwidget.h"
 #include "mainwindow.h"
+#include "main/main_account.h"
+#include "main/main_domain.h"
 #include "main/main_session.h"
 #include "main/main_session_settings.h"
 #include "apiwrap.h"
@@ -977,9 +979,10 @@ void SessionController::showForum(
 		not_null<Data::Forum*> forum,
 		const SectionShow &params) {
 	if (!isPrimary()) {
-		const auto primary = Core::App().primaryWindow();
+		auto primary = Core::App().windowFor(&session().account());
 		if (&primary->account() != &session().account()) {
-			primary->showAccount(&session().account());
+			Core::App().domain().activate(&session().account());
+			primary = Core::App().windowFor(&session().account());
 		}
 		if (&primary->account() == &session().account()) {
 			primary->sessionController()->showForum(forum, params);