massive refactor, also fix newline issue and google translate throw and different number formats for process id

2024-12-23 08:54:12 +08:00 · 2021-01-15 06:07:23 -07:00 · 2021-01-15 06:07:23 -07:00 · fc81b17a3c
commit fc81b17a3c
parent 3a34f989e5
28 changed files with 351 additions and 987 deletions
--- a/GUI/CMakeLists.txt
+++ b/GUI/CMakeLists.txt
@ -14,10 +14,10 @@ add_executable(Textractor WIN32
 	Textractor.ico
 )
 target_precompile_headers(Textractor REUSE_FROM pch)
-target_link_libraries(${PROJECT_NAME} Qt5::Widgets shell32 winhttp)
+target_link_libraries(Textractor Qt5::Widgets shell32 winhttp)

 if (NOT EXISTS ${CMAKE_FINAL_OUTPUT_DIRECTORY}/Qt5Core.dll)
 	if (NOT EXISTS ${CMAKE_FINAL_OUTPUT_DIRECTORY}/Qt5Cored.dll)
-		install_qt5_libs(${PROJECT_NAME})
+		install_qt5_libs(Textractor)
 	endif()
 endif()
--- a/GUI/extenwindow.cpp
+++ b/GUI/extenwindow.cpp
@ -138,8 +138,6 @@ ExtenWindow::ExtenWindow(QWidget* parent) :
 	Sync();
 }

-ExtenWindow::~ExtenWindow() = default;
-
 bool ExtenWindow::eventFilter(QObject* target, QEvent* event)
 {
 	// See https://stackoverflow.com/questions/1224432/how-do-i-respond-to-an-internal-drag-and-drop-operation-using-a-qlistwidget/1528215
--- a/GUI/extenwindow.h
+++ b/GUI/extenwindow.h
@ -20,7 +20,6 @@ class ExtenWindow : public QMainWindow
 {
 public:
 	explicit ExtenWindow(QWidget* parent = nullptr);
-	~ExtenWindow();

 private:
 	bool eventFilter(QObject* target, QEvent* event) override;
--- a/GUI/host/hookcode.cpp
+++ b/GUI/host/hookcode.cpp
@ -129,8 +129,7 @@ namespace
 		{
 			size_t size = 0;
 			int value = 0;
-			try { value = std::stoi(HCode, &size, 16); }
-			catch (std::invalid_argument) {}
+			try { value = std::stoi(HCode, &size, 16); } catch (std::invalid_argument) {}
 			HCode.erase(0, size);
 			return value;
 		};
--- a/GUI/host/host.cpp
+++ b/GUI/host/host.cpp
@ -32,8 +32,7 @@ namespace
 		{
 			if (!view) return {};
 			std::scoped_lock lock(viewMutex);
-			for (auto hook : view)
-				if (hook.address == addr) return hook;
+			for (auto hook : view) if (hook.address == addr) return hook;
 			return {};
 		}

@ -69,8 +68,7 @@ namespace
 	void RemoveThreads(std::function<bool(ThreadParam)> removeIf)
 	{
 		std::vector<TextThread*> threadsToRemove;
-		for (auto& [tp, thread] : textThreadsByParams.Acquire().contents)
-			if (removeIf(tp)) threadsToRemove.push_back(&thread);
+		for (auto& [tp, thread] : textThreadsByParams.Acquire().contents) if (removeIf(tp)) threadsToRemove.push_back(&thread);
 		for (auto thread : threadsToRemove)
 		{
 			OnDestroy(*thread);
@ -250,8 +248,7 @@ namespace Host

 	TextThread* GetThread(int64_t handle)
 	{
-		for (auto& [tp, thread] : textThreadsByParams.Acquire().contents)
-			if (thread.handle == handle) return &thread;
+		for (auto& [tp, thread] : textThreadsByParams.Acquire().contents) if (thread.handle == handle) return &thread;
 		return nullptr;	
 	}

--- a/GUI/host/textthread.cpp
+++ b/GUI/host/textthread.cpp
@ -22,7 +22,7 @@ TextThread::TextThread(ThreadParam tp, HookParam hp, std::optional<std::wstring>

 void TextThread::Start()
 {
-	CreateTimerQueueTimer(&timer, NULL, [](void* This, BOOLEAN) { ((TextThread*)This)->Flush(); }, this, 10, 10, WT_EXECUTELONGFUNCTION);
+	CreateTimerQueueTimer(&timer, NULL, [](void* This, auto) { ((TextThread*)This)->Flush(); }, this, 10, 10, WT_EXECUTELONGFUNCTION);
 }

 void TextThread::Stop()
@ -42,8 +42,21 @@ void TextThread::Push(BYTE* data, int length)

 	BYTE doubleByteChar[2];
 	if (length == 1) // doublebyte characters must be processed as pairs
-		if (leadByte) std::tie(doubleByteChar[0], doubleByteChar[1], data, length, leadByte) = std::tuple(leadByte, data[0], doubleByteChar, 2, 0);
-		else if (IsDBCSLeadByteEx(hp.codepage ? hp.codepage : Host::defaultCodepage, data[0])) std::tie(leadByte, length) = std::tuple(data[0], 0);
+	{
+		if (leadByte)
+		{
+			doubleByteChar[0] = leadByte;
+			doubleByteChar[1] = data[0];
+			data = doubleByteChar;
+			length = 2;
+			leadByte = 0;
+		}
+		else if (IsDBCSLeadByteEx(hp.codepage ? hp.codepage : Host::defaultCodepage, data[0]))
+		{
+			leadByte = data[0];
+			length = 0;
+		}
+	}

 	if (hp.type & HEX_DUMP) for (int i = 0; i < length; i += sizeof(short)) buffer.append(FormatString(L"%04hX ", *(short*)(data + i)));
 	else if (hp.type & USING_UNICODE) buffer.append((wchar_t*)data, length / sizeof(wchar_t));
--- a/GUI/mainwindow.cpp
+++ b/GUI/mainwindow.cpp
@ -17,7 +17,7 @@

 extern const char* ATTACH;
 extern const char* LAUNCH;
-extern const char* GAME_CONFIG;
+extern const char* CONFIG;
 extern const char* DETACH;
 extern const char* FORGET;
 extern const char* ADD_HOOK;
@ -198,14 +198,14 @@ namespace
 		CloseHandle(info.hThread);
 	}

-	void OpenProcessConfig()
+	void ConfigureProcess()
 	{
 		if (auto processName = GetModuleFilename(selectedProcessId)) if (int last = processName->rfind(L'\\') + 1)
 		{
 			std::wstring configFile = std::wstring(processName.value()).replace(last, std::string::npos, GAME_CONFIG_FILE);
 			if (!std::filesystem::exists(configFile)) QTextFile(S(configFile), QFile::WriteOnly).write("see https://github.com/Artikash/Textractor/wiki/Game-configuration-file");
 			if (std::filesystem::exists(configFile)) _wspawnlp(_P_DETACH, L"notepad", L"notepad", configFile.c_str(), NULL);
-			else QMessageBox::critical(This, GAME_CONFIG, QString(FAILED_TO_CREATE_CONFIG_FILE).arg(S(configFile)));
+			else QMessageBox::critical(This, CONFIG, QString(FAILED_TO_CREATE_CONFIG_FILE).arg(S(configFile)));
 		}
 	}

@ -258,8 +258,7 @@ namespace
 		hookList->setAttribute(Qt::WA_DeleteOnClose);
 		hookList->setMinimumSize({ 300, 50 });
 		hookList->setWindowTitle(DOUBLE_CLICK_TO_REMOVE_HOOK);
-		for (auto [address, hp] : hooks)
-			new QListWidgetItem(QString(hp.name) + "@" + QString::number(address, 16), hookList);
+		for (auto [address, hp] : hooks) new QListWidgetItem(QString(hp.name) + "@" + QString::number(address, 16), hookList);
 		QObject::connect(hookList, &QListWidget::itemDoubleClicked, [processId, hookList](QListWidgetItem* item)
 		{
 			try
@ -335,8 +334,7 @@ namespace
 			layout.addRow(&confirm);
 			if (!dialog.exec()) return;
 			wcsncpy_s(sp.text, S(textInput.text()).c_str(), PATTERN_SIZE - 1);
-			try { Host::FindHooks(selectedProcessId, sp); }
-			catch (std::out_of_range) {}
+			try { Host::FindHooks(selectedProcessId, sp); } catch (std::out_of_range) {}
 			return;
 		}

@ -408,8 +406,7 @@ namespace
 		catch (std::out_of_range) { return; }
 		std::thread([hooks]
 		{
-			for (int lastSize = 0; hooks->size() == 0 || hooks->size() != lastSize; Sleep(2000))
-				lastSize = hooks->size();
+			for (int lastSize = 0; hooks->size() == 0 || hooks->size() != lastSize; Sleep(2000)) lastSize = hooks->size();

 			QString saveFileName;
 			QMetaObject::invokeMethod(This, [&]
@ -562,6 +559,7 @@ namespace

 	bool SentenceReceived(TextThread& thread, std::wstring& sentence)
 	{
+		for (int i = 0; i < sentence.size(); ++i) if (sentence[i] == '\r' && sentence[i + 1] == '\n') sentence[i] = 0x200b; // for some reason \r appears as newline - no need to double
 		if (!DispatchSentenceToExtensions(sentence, GetSentenceInfo(thread).data())) return false;
 		sentence += L'\n';
 		if (&thread == current) QMetaObject::invokeMethod(This, [sentence = S(sentence)]() mutable
@ -598,7 +596,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
 	for (auto [text, slot] : Array<const char*, void(&)()>{
 		{ ATTACH, AttachProcess },
 		{ LAUNCH, LaunchProcess },
-		{ GAME_CONFIG, OpenProcessConfig },
+		{ CONFIG, ConfigureProcess },
 		{ DETACH, DetachProcess },
 		{ FORGET, ForgetProcess },
 		{ ADD_HOOK, AddHook },
@ -647,7 +645,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
 	for (int i = 0; i < argc; ++i)
 		if (std::wstring arg = argv[i]; arg[0] == L'/' || arg[0] == L'-')
 			if (arg[1] == L'p' || arg[1] == L'P')
-				if (DWORD processId = _wtoi(arg.substr(2).c_str())) Host::InjectProcess(processId);
+				if (DWORD processId = wcstoul(arg.substr(2).c_str(), nullptr, 0)) Host::InjectProcess(processId);
 				else for (auto [processId, processName] : processes)
 					if (processName.value_or(L"").find(L"\\" + arg.substr(2)) != std::string::npos) Host::InjectProcess(processId);

--- a/extensions/CMakeLists.txt
+++ b/extensions/CMakeLists.txt
@ -1,16 +1,15 @@
 include(QtUtils)
 msvc_registry_search()
 find_qt5(Core Widgets WebSockets)
-set(CMAKE_AUTOMOC ON)
 cmake_policy(SET CMP0037 OLD)

 add_library(Bing\ Translate MODULE bingtranslate.cpp translatewrapper.cpp network.cpp extensionimpl.cpp)
 add_library(Copy\ to\ Clipboard MODULE copyclipboard.cpp extensionimpl.cpp)
 add_library(DeepL\ Translate MODULE deepltranslate.cpp translatewrapper.cpp network.cpp extensionimpl.cpp)
+add_library(DevTools\ DeepL\ Translate MODULE devtoolsdeepltranslate.cpp devtools.cpp translatewrapper.cpp network.cpp extensionimpl.cpp)
 add_library(Extra\ Newlines MODULE extranewlines.cpp extensionimpl.cpp)
 add_library(Extra\ Window MODULE extrawindow.cpp extensionimpl.cpp)
 add_library(Google\ Translate MODULE googletranslate.cpp translatewrapper.cpp network.cpp extensionimpl.cpp)
-add_library(DevTools\ DeepL\ Translate MODULE devtoolsdeepltranslate.cpp devtoolswrapper.cpp devtools.cpp network.cpp extensionimpl.cpp)
 add_library(Lua MODULE lua.cpp extensionimpl.cpp)
 add_library(Regex\ Filter MODULE regexfilter.cpp extensionimpl.cpp)
 add_library(Remove\ Repeated\ Characters MODULE removerepeatchar.cpp extensionimpl.cpp)
@ -23,10 +22,10 @@ add_library(Thread\ Linker MODULE threadlinker.cpp extensionimpl.cpp)
 target_precompile_headers(Bing\ Translate REUSE_FROM pch)
 target_precompile_headers(Copy\ to\ Clipboard REUSE_FROM pch)
 target_precompile_headers(DeepL\ Translate REUSE_FROM pch)
+target_precompile_headers(DevTools\ DeepL\ Translate REUSE_FROM pch)
 target_precompile_headers(Extra\ Newlines REUSE_FROM pch)
 target_precompile_headers(Extra\ Window REUSE_FROM pch)
 target_precompile_headers(Google\ Translate REUSE_FROM pch)
-target_precompile_headers(DevTools\ DeepL\ Translate REUSE_FROM pch)
 target_precompile_headers(Lua REUSE_FROM pch)
 target_precompile_headers(Regex\ Filter REUSE_FROM pch)
 target_precompile_headers(Remove\ Repeated\ Characters REUSE_FROM pch)
@ -38,18 +37,15 @@ target_precompile_headers(Thread\ Linker REUSE_FROM pch)

 target_link_libraries(Bing\ Translate winhttp Qt5::Widgets)
 target_link_libraries(DeepL\ Translate winhttp Qt5::Widgets)
+target_link_libraries(DevTools\ DeepL\ Translate shell32 winhttp Qt5::Widgets Qt5::WebSockets)
 target_link_libraries(Extra\ Window Qt5::Widgets)
 target_link_libraries(Google\ Translate winhttp Qt5::Widgets)
-target_link_libraries(DevTools\ DeepL\ Translate winhttp Qt5::Widgets Qt5::WebSockets)
 target_link_libraries(Lua lua53 Qt5::Widgets)
 target_link_libraries(Regex\ Filter Qt5::Widgets)
 target_link_libraries(Thread\ Linker Qt5::Widgets)

 if (NOT EXISTS ${CMAKE_FINAL_OUTPUT_DIRECTORY}/Qt5WebSockets.dll)
-    add_custom_command(TARGET DevTools\ DeepL\ Translate
-        POST_BUILD
-        COMMAND ${CMAKE_COMMAND} -E remove_directory "${CMAKE_CURRENT_BINARY_DIR}/windeployqt"
-        COMMAND set PATH=%PATH%$<SEMICOLON>${qt5_install_prefix}/bin
-        COMMAND Qt5::windeployqt --dir $<TARGET_FILE_DIR:${PROJECT_NAME}> "$<TARGET_FILE_DIR:${PROJECT_NAME}>/DevTools\ DeepL\ Translate.dll"
-    )
-endif()
+	if (NOT EXISTS ${CMAKE_FINAL_OUTPUT_DIRECTORY}/Qt5WebSocketsd.dll)
+		install_qt5_libs(DevTools\ DeepL\ Translate)
+	endif()
+endif()
--- a/extensions/bingtranslate.cpp
+++ b/extensions/bingtranslate.cpp
@ -1,5 +1,4 @@
-#include "extension.h"
-#include "network.h"
+#include "network.h"
 #include <QStringList>

 extern const wchar_t* TRANSLATION_ERROR;
@ -81,7 +80,7 @@ QStringList languages
 };

 bool translateSelectedOnly = false, rateLimitAll = true, rateLimitSelected = false, useCache = true;
-int tokenCount = 30, tokenRestoreDelay = 60000, maxSentenceSize = 500;
+int tokenCount = 30, tokenRestoreDelay = 60000, maxSentenceSize = 1000;

 std::pair<bool, std::wstring> Translate(const std::wstring& text)
 {
@ -94,10 +93,8 @@ std::pair<bool, std::wstring> Translate(const std::wstring& text)
 			FormatString(R"([{"text":"%s"}])", JSON::Escape(WideStringToString(text))),
 			FormatString(L"Content-Type: application/json; charset=UTF-8\r\nOcp-Apim-Subscription-Key:%s", apiKey.Copy()).c_str()
 		})
-		{
 			if (auto translation = Copy(JSON::Parse(httpRequest.response)[0][L"translations"][0][L"text"].String())) return { true, translation.value() };
 			else return { false, FormatString(L"%s: %s", TRANSLATION_ERROR, httpRequest.response) };
-		}
 		else return { false, FormatString(L"%s (code=%u)", TRANSLATION_ERROR, httpRequest.errorCode) };

 	if (HttpRequest httpRequest{
--- a/extensions/deepltranslate.cpp
+++ b/extensions/deepltranslate.cpp
@ -1,5 +1,4 @@
 #include "qtcommon.h"
-#include "extension.h"
 #include "network.h"
 #include <random>

@ -26,7 +25,7 @@ QStringList languages
 };

 bool translateSelectedOnly = true, rateLimitAll = true, rateLimitSelected = true, useCache = true;
-int tokenCount = 10, tokenRestoreDelay = 60000, maxSentenceSize = 500;
+int tokenCount = 10, tokenRestoreDelay = 60000, maxSentenceSize = 1000;

 enum KeyType { CAT, REST };
 int keyType = CAT;
@ -90,6 +89,7 @@ std::pair<bool, std::wstring> Translate(const std::wstring& text)
 		L"/jsonrpc",
 		body,
 		L"Host: www2.deepl.com\r\nAccept-Language: en-US,en;q=0.5\r\nContent-type: application/json; charset=utf-8\r\nOrigin: https://www.deepl.com\r\nTE: Trailers",
+		INTERNET_DEFAULT_PORT,
 		L"https://www.deepl.com/translator",
 		WINHTTP_FLAG_SECURE
 	})
--- a/extensions/devtools.cpp
+++ b/extensions/devtools.cpp
@ -1,310 +1,154 @@
 #include "devtools.h"
+#include <QWebSocket>
+#include <QMetaEnum>
+#include <ppltasks.h>

-DevTools::DevTools(QObject* parent) :
-	QObject(parent),
-	idCounter(0),
-	idMethod(0),
-	status("Stopped"),
-	session(0)
+namespace
 {
-	connect(&webSocket, &QWebSocket::stateChanged, this, &DevTools::stateChanged);
-	connect(&webSocket, &QWebSocket::textMessageReceived, this, &DevTools::onTextMessageReceived);
+	std::function<void(QString)> OnStatusChanged = Swallow;
+	PROCESS_INFORMATION processInfo = {};
+	std::atomic<int> idCounter = 0, idMethod = 0;
+	std::mutex devToolsMutex;
+	QWebSocket webSocket;
+	std::unordered_map<int, concurrency::task_completion_event<JSON::Value<wchar_t>>> mapQueue;
+	std::unordered_map<std::wstring, std::vector<JSON::Value<wchar_t>>> mapMethod;
+	auto _ = ([]
+	{
+		QObject::connect(&webSocket, &QWebSocket::stateChanged,
+			[](QAbstractSocket::SocketState state) { OnStatusChanged(QMetaEnum::fromType<QAbstractSocket::SocketState>().valueToKey(state)); }
+		);
+		QObject::connect(&webSocket, &QWebSocket::textMessageReceived, [](QString message)
+		{
+			auto result = JSON::Parse(S(message));
+			std::scoped_lock lock(devToolsMutex);
+			if (auto method = result[L"method"].String())
+				for (auto& [listenTo, results] : mapMethod) if (*method == listenTo) results.push_back(result[L"params"]);
+			if (auto id = result[L"id"].Number())
+				if (auto request = mapQueue.find((int)*id); request != mapQueue.end())
+					request->second.set(result), mapQueue.erase(request);
+		});
+	}(), 0);
 }

-void DevTools::startDevTools(QString path, bool headless, int port)
+namespace DevTools
 {
-	if (startChrome(path, headless, port))
+	void Start(const std::wstring& path, std::function<void(QString)> statusChanged, bool headless, int port)
 	{
-		QJsonDocument doc;
-		QString webSocketDebuggerUrl;
-		if (GetJsonfromHTTP(doc, "/json/list", port))
+		OnStatusChanged = statusChanged;
+		DWORD exitCode = 0;
+		auto args = FormatString(
+			L"%s --proxy-server=direct:// --disable-extensions --disable-gpu --user-data-dir=%s\\devtoolscache --remote-debugging-port=%d",
+			path,
+			std::filesystem::current_path().wstring(),
+			port
+		);
+		if (headless) args += L"--headless";
+		STARTUPINFOW DUMMY = { sizeof(DUMMY) };
+		if ((GetExitCodeProcess(processInfo.hProcess, &exitCode) && exitCode == STILL_ACTIVE) ||
+			CreateProcessW(NULL, args.data(), nullptr, nullptr, FALSE, 0, nullptr, nullptr, &DUMMY, &processInfo)
+		)
 		{
-			for (const auto obj : doc.array())
-				if (obj.toObject().value("type") == "page")
+			if (HttpRequest httpRequest{
+				L"Mozilla/5.0 Textractor",
+				L"127.0.0.1",
+				L"POST",
+				L"/json/list",
+				"",
+				NULL,
+				(DWORD)port,
+				NULL,
+				WINHTTP_FLAG_ESCAPE_DISABLE
+			})
+			{
+				if (auto list = Copy(JSON::Parse(httpRequest.response).Array())) if (auto it = std::find_if(
+					list->begin(),
+					list->end(),
+					[](const JSON::Value<wchar_t>& object) { return object[L"type"].String() && *object[L"type"].String() == L"page" && object[L"webSocketDebuggerUrl"].String(); }
+				); it != list->end())
 				{
-					webSocketDebuggerUrl.append(obj.toObject().value("webSocketDebuggerUrl").toString());
-					break;
+					std::scoped_lock lock(devToolsMutex);
+					webSocket.open(S(*(*it)[L"webSocketDebuggerUrl"].String()));
+					if (HttpRequest httpRequest{
+						L"Mozilla/5.0 Textractor",
+						L"127.0.0.1",
+						L"POST",
+						L"/json/version",
+						"",
+						NULL,
+						(DWORD)port,
+						NULL,
+						WINHTTP_FLAG_ESCAPE_DISABLE
+					})
+						if (auto userAgent = Copy(JSON::Parse(httpRequest.response)[L"User-Agent"].String()))
+							if (userAgent->find(L"Headless") != std::string::npos)
+								SendRequest(L"Network.setUserAgentOverride", FormatString(LR"({"userAgent":"%s"})", userAgent->replace(userAgent->find(L"Headless"), 8, L"")));
+					return;
 				}
-			if (!webSocketDebuggerUrl.isEmpty())
-			{
-				if (GetJsonfromHTTP(doc, "/json/version", port))
-				{
-					userAgent = doc.object().value("User-Agent").toString();
-				}	
-				webSocket.open(webSocketDebuggerUrl);
-				session += 1;
-				return;
 			}
+			OnStatusChanged("Failed Connection");
 		}
-		status = "Failed to find Chrome debug port!";
-		emit statusChanged(status);
-	}
-	else
-	{
-		status = "Failed to start Chrome!";
-		emit statusChanged(status);
-	}
-}
-
-int DevTools::getSession()
-{
-	return session;
-}
-
-QString DevTools::getStatus()
-{
-	return status;
-}
-
-QString DevTools::getUserAgent()
-{
-	return userAgent;
-}
-
-DevTools::~DevTools()
-{
-	closeDevTools();
-}
-
-bool DevTools::startChrome(QString path, bool headless, int port)
-{
-	if (!std::filesystem::exists(path.toStdWString()))
-		return false;
-	DWORD exitCode = 0;
-	if (GetExitCodeProcess(processInfo.hProcess, &exitCode) != FALSE && exitCode == STILL_ACTIVE)
-		return false;
-	QString args = "--proxy-server=direct:// --disable-extensions --disable-gpu --user-data-dir="
-					+ QString::fromStdWString(std::filesystem::current_path())
-					+ "\\devtoolscache --remote-debugging-port="
-					+ QString::number(port);
-	if (headless)
-		args += " --headless";
-	STARTUPINFOW dummy = { sizeof(dummy) };
-	if (!CreateProcessW(NULL, (wchar_t*)(path + " " + args).utf16(), nullptr, nullptr,
-		FALSE, 0, nullptr, nullptr, &dummy, &processInfo))
-		return false;
-	else
-		return true;
-}
-
-bool DevTools::GetJsonfromHTTP(QJsonDocument& doc, QString object, int port)
-{
-	if (HttpRequest httpRequest{
-		L"Mozilla/5.0 Textractor",
-		L"127.0.0.1",
-		L"POST",
-		object.toStdWString().c_str(),
-		"",
-		NULL,
-		NULL,
-		WINHTTP_FLAG_ESCAPE_DISABLE,
-		NULL,
-		NULL,
-		DWORD(port)
-		})
-	{
-		QString qtString = QString::fromStdWString(httpRequest.response);
-		doc = QJsonDocument::fromJson(qtString.toUtf8());
-		if (!doc.isEmpty())
-			return true;
 		else
-			return false;
-	}
-	else
-		return false;
-
-}
-
-void DevTools::stateChanged(QAbstractSocket::SocketState state)
-{
-	QMetaEnum metaenum = QMetaEnum::fromType<QAbstractSocket::SocketState>();
-	status = metaenum.valueToKey(state);
-	emit statusChanged(status);
-}
-
-bool DevTools::SendRequest(QString method, QJsonObject params, QJsonObject& root)
-{
-	if (!isConnected())
-		return false;
-	root = QJsonObject();
-	QJsonObject json;
-	task_completion_event<QJsonObject> response;
-	long id = idIncrement();
-	json.insert("id", id);
-	json.insert("method", method);
-	json.insert("params", params);
-	QJsonDocument doc(json);
-	QString message(doc.toJson(QJsonDocument::Compact));
-	mutex.lock();
-	mapQueue.insert(std::make_pair(id, response));
-	mutex.unlock();
-	webSocket.sendTextMessage(message);
-	webSocket.flush();
-	try
-	{
-		root = create_task(response).get();
-	}
-	catch (const std::exception& ex)
-	{
-		response.set_exception(ex);
-		return false;
-	}
-	if (!root.isEmpty())
-	{
-		if (root.contains("error"))
 		{
-			return false;
-		}
-		else if (root.contains("result"))
-			return true;
-		else
-			return false;
-	}
-	else
-		return false;
-}
-
-long DevTools::methodToReceive(QString method, QJsonObject params)
-{
-	QJsonObject json;
-	long id = idmIncrement();
-	json.insert("method", method);
-	json.insert("params", params);
-	mutex.lock();
-	mapMethod.insert(std::make_pair(id, json));
-	mutex.unlock();
-	return id;
-}
-
-long DevTools::idIncrement()
-{
-	return ++idCounter;
-}
-
-long DevTools::idmIncrement()
-{
-	return ++idMethod;
-}
-
-bool DevTools::isConnected()
-{
-	if (webSocket.state() == QAbstractSocket::ConnectedState)
-		return true;
-	else
-		return false;
-}
-
-bool DevTools::compareJson(QJsonValue stored, QJsonValue params)
-{
-	if (stored.isObject())
-	{
-		foreach(const QString & key, stored.toObject().keys())
-		{
-			QJsonValue storedvalue = stored.toObject().value(key);
-			QJsonValue value = params.toObject().value(key);
-			if (!compareJson(storedvalue, value))
-				return false;
+			OnStatusChanged("Failed Startup");
 		}
 	}
-	else if (stored.isArray())
-	{
-		for (int i = 0; i < stored.toArray().size(); i++)
-			if (!compareJson(stored.toArray()[i], params.toArray()[i]))
-				return false;
-	}
-	else if (stored.isString())
-	{
-		if (!stored.toString().contains(params.toString()))
-			return false;
-	}
-	else if (stored.toVariant() != params.toVariant())
-		return false;

-	return true;
-}
-
-bool DevTools::checkMethod(long id)
-{
-	MapMethod::iterator iter = mapMethod.find(id);
-	if (iter == mapMethod.end())
-		return true;
-	else
-		return false;
-}
-
-void DevTools::onTextMessageReceived(QString message)
-{
-	QJsonDocument doc = QJsonDocument::fromJson(message.toUtf8());
-	if (doc.isObject())
+	void Close()
 	{
-		QJsonObject root = doc.object();
-		if (root.contains("method"))
-		{
-			for (auto iter = mapMethod.cbegin(); iter != mapMethod.cend();)
-			{
-				if (iter->second.value("method") == root.value("method")
-					&& compareJson(iter->second.value("params"), root.value("params")))
-				{
-					mutex.lock();
-					mapMethod.erase(iter++);
-					mutex.unlock();
-				}
-				++iter;
-			}
-			return;
-		}
-		if (root.contains("id"))
-		{
-			long id = root.value("id").toInt();
-			MapResponse::iterator request = mapQueue.find(id);
-			if (request != mapQueue.end())
-			{
-				request->second.set(root);
-				mutex.lock();
-				mapQueue.erase(request);
-				mutex.unlock();
-			}
-			return;
-		}
-	}
-}
-
-void DevTools::closeDevTools()
-{
-	if (this->mapQueue.size() > 0)
-	{
-		MapResponse::iterator iter = mapQueue.begin();
-		MapResponse::iterator iend = mapQueue.end();
-		for (; iter != iend; iter++)
-		{
-			iter->second.set_exception("exception");
-		}
-	}
-	webSocket.close();
-	mapMethod.clear();
-	mapQueue.clear();
-	idCounter = 0;
-	idMethod = 0;
-	DWORD exitCode = 0;
-	if (GetExitCodeProcess(processInfo.hProcess, &exitCode) != FALSE)
-	{
-		if (exitCode == STILL_ACTIVE)
+		std::scoped_lock lock(devToolsMutex);
+		for (const auto& [_, task] : mapQueue) task.set_exception(std::runtime_error("closed"));
+		webSocket.close();
+		mapMethod.clear();
+		mapQueue.clear();
+		DWORD exitCode = 0;
+		if (GetExitCodeProcess(processInfo.hProcess, &exitCode) && exitCode == STILL_ACTIVE)
 		{
 			TerminateProcess(processInfo.hProcess, 0);
 			WaitForSingleObject(processInfo.hProcess, 100);
 			CloseHandle(processInfo.hProcess);
 			CloseHandle(processInfo.hThread);
 		}
-		std::this_thread::sleep_for(std::chrono::milliseconds(200));
-		try
-		{
-			std::filesystem::remove_all(L"devtoolscache");
-		}
-		catch (const std::exception&)
-		{
-
-		}
+		try { std::filesystem::remove_all(L"devtoolscache"); } catch (std::filesystem::filesystem_error) {}
+		OnStatusChanged("Stopped");
 	}
-	status = "Stopped";
-	emit statusChanged(status);
-}
+
+	bool Connected()
+	{
+		std::scoped_lock lock(devToolsMutex);
+		return webSocket.state() == QAbstractSocket::ConnectedState;
+	}
+
+	JSON::Value<wchar_t> SendRequest(const std::wstring& method, const std::wstring& params)
+	{
+		if (webSocket.state() != QAbstractSocket::ConnectedState) return {};
+		concurrency::task_completion_event<JSON::Value<wchar_t>> response;
+		int id = idCounter +=1;
+		auto message = FormatString(LR"({"id":%d,"method":"%s","params":%s})", id, method, params);
+		{
+			std::scoped_lock lock(devToolsMutex);
+			mapQueue.try_emplace(id, response);
+			webSocket.sendTextMessage(S(message));
+			webSocket.flush();
+		}
+		try { if (auto result = create_task(response).get()[L"result"]) return result; } catch (...) {}
+		return {};
+	}
+
+	void StartListening(const std::wstring& method)
+	{
+		std::scoped_lock lock(devToolsMutex);
+		mapMethod.try_emplace(method);
+	}
+
+	std::vector<JSON::Value<wchar_t>> ListenResults(const std::wstring& method)
+	{
+		std::scoped_lock lock(devToolsMutex);
+		return mapMethod[method];
+	}
+
+	void StopListening(const std::wstring& method)
+	{
+		std::scoped_lock lock(devToolsMutex);
+		mapMethod.erase(method);
+	}
+}
--- a/extensions/devtools.h
+++ b/extensions/devtools.h
@ -1,51 +1,13 @@
-#include <QtCore>
-#include <QtWebSockets/QWebSocket>
-#include <ppltasks.h>
+#include "qtcommon.h"
 #include "network.h"

-using namespace Concurrency;
-
-typedef std::map<long, task_completion_event<QJsonObject>> MapResponse;
-typedef std::map<long, QJsonObject> MapMethod;
-
-class DevTools : public QObject {
-	Q_OBJECT
-public:
-	explicit DevTools(QObject* parent = nullptr);
-	~DevTools();
-
-Q_SIGNALS:
-	void statusChanged(const QString&);
-
-private Q_SLOTS:
-	void stateChanged(QAbstractSocket::SocketState state);
-	void onTextMessageReceived(QString message);
-
-public:
-	void startDevTools(QString path, bool headless = false, int port = 9222);
-	void closeDevTools();
-	bool checkMethod(long id);
-	int getSession();
-	bool SendRequest(QString method, QJsonObject params, QJsonObject& root);
-	long methodToReceive(QString method, QJsonObject params = {});
-	QString getStatus();
-	QString getUserAgent();
-
-private:
-	bool isConnected();
-	bool startChrome(QString path, bool headless = false, int port = 9222);
-	bool GetJsonfromHTTP(QJsonDocument& doc, QString object, int port = 9222);
-	long idIncrement();
-	long idmIncrement();
-	bool compareJson(QJsonValue stored, QJsonValue params);
-	int session;
-	QWebSocket webSocket;
-	std::mutex mutex;
-	MapResponse mapQueue;
-	MapMethod mapMethod;
-	long idCounter;
-	long idMethod;
-	PROCESS_INFORMATION processInfo;
-	QString status;
-	QString userAgent;
-};
+namespace DevTools
+{
+	void Start(const std::wstring& path, std::function<void(QString)> statusChanged, bool headless, int port);
+	void Close();
+	bool Connected();
+	JSON::Value<wchar_t> SendRequest(const std::wstring& method, const std::wstring& params = L"{}");
+	void StartListening(const std::wstring& method);
+	std::vector<JSON::Value<wchar_t>> ListenResults(const std::wstring& method);
+	void StopListening(const std::wstring& method);
+}
--- a/extensions/devtoolsdeepltranslate.cpp
+++ b/extensions/devtoolsdeepltranslate.cpp
@ -1,24 +1,26 @@
 #include "qtcommon.h"
-#include "extension.h"
 #include "devtools.h"
+#include <ShlObj.h>

 extern const wchar_t* TRANSLATION_ERROR;
-extern Synchronized<std::wstring> translateTo, translateFrom;
-
-bool useCache = true, autoStartChrome = false, headlessChrome = true;
-int maxSentenceSize = 500, chromePort = 9222;
+extern Synchronized<std::wstring> translateTo;
+extern QFormLayout* display;
+extern Settings settings;

 const char* TRANSLATION_PROVIDER = "DevTools DeepL Translate";
-const wchar_t* ERROR_CHROME = L"Error: Chrome not started";
-const wchar_t* ERROR_START_CHROME = L"Error: failed to start Chrome or to connect to it";
-const wchar_t* ERROR_GOT_TIMEOUT = L"Error: timeout (s)";
-const wchar_t* ERROR_COMMAND_FAIL = L"Error: command failed";
-const wchar_t* ERROR_LANGUAGE = L"Error: target languages do not match";
-const wchar_t* ERROR_NOTE = L"Error: notification";
-const wchar_t* ERROR_EMPTY_ANSWER = L"Error: empty translation";
+const char* GET_API_KEY_FROM = nullptr;
+bool translateSelectedOnly = true, rateLimitAll = false, rateLimitSelected = false, useCache = true;
+int tokenCount = 30, tokenRestoreDelay = 60000, maxSentenceSize = 10000;

-QString URL = "https://www.deepl.com/en/translator";
-QStringList languagesTo
+extern const char* CHROME_LOCATION;
+extern const char* START_DEVTOOLS;
+extern const char* STOP_DEVTOOLS;
+extern const char* HEADLESS_MODE;
+extern const char* DEVTOOLS_STATUS;
+extern const char* AUTO_START;
+extern const wchar_t* ERROR_START_CHROME;
+
+QStringList languages
 {
 	"Chinese (simplified): zh",
 	"Dutch: nl",
@ -33,323 +35,97 @@ QStringList languagesTo
 	"Spanish: es",
 };

-QStringList languagesFrom
+BOOL WINAPI DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
 {
-	"Any language: ",
-	"Chinese: zh",
-	"Dutch: nl",
-	"English: en",
-	"French: fr",
-	"German: de",
-	"Italian: it",
-	"Japanese: ja",
-	"Polish: pl",
-	"Portuguese: pt",
-	"Russian: ru",
-	"Spanish: es",
-};
-
-int docFound = -1, targetNodeId = -1, session = -1, pageEnabled = -1, userAgentFlag = -1, backup = -1, sourceLangId = -1, mobileShareId = -1;
-long update = -1, callNumber = 0;
-std::vector<long> callQueue;
-
-std::pair<bool, std::wstring> Translate(const std::wstring& text, DevTools* devTools)
-{
-	QString qtext = S(text);
-	qtext.remove(QString(12288)); // japanese space (no need for translator)
-	qtext.replace(QString(12289), ","); // replace the japanese comma with the latin comma for correct translation
-
-	// Remove quotes
-	bool checkQuote = false;
-	if ((qtext.front() == QString(12300) && qtext.back() == QString(12301)) // japanese quotation marks
-		|| (qtext.front() == "\"" && qtext.back() == "\""))
+	switch (ul_reason_for_call)
 	{
-		checkQuote = true;
-		qtext.remove(0, 1);
-		qtext.chop(1);
-	}
-
-	// Check specific cases (sentence has only one japanese symbol or consists of ellipsis)
-	int count = qtext.count(QString(8230)); // ellipsis
-	if (count == qtext.length()
-		|| (count == (qtext.length() - 1) && qtext.back() == QString(12290))) // japanese end of a sentence
+	case DLL_PROCESS_ATTACH:
 	{
-		return { true, text };
-	}
-	if (count == (qtext.length() - 1)) 
-	{
-		qtext.remove(QString(8230));
-		qtext += QString(12290) + QString(8230); // add the end symbol for correct translation
-	}
-
-	// Put quotes back
-	if (checkQuote)
-	{
-		qtext = "\"" + qtext + "\"";
-	}
-
-	// Check status
-	if (devTools->getStatus() == "Stopped")
-	{
-		return { false, FormatString(L"%s", ERROR_CHROME) };
-	}
-	if (devTools->getStatus().startsWith("Fail") || devTools->getStatus().startsWith("Unconnected"))
-	{
-		return { false, FormatString(L"%s", ERROR_START_CHROME) };
-	}
-	if (session != devTools->getSession())
-	{
-		session = devTools->getSession();
-		docFound = -1;
-		targetNodeId = -1;
-		sourceLangId = -1;
-		mobileShareId = -1;
-		pageEnabled = -1;
-		userAgentFlag = -1;
-		update = -1;
-		callNumber = 0;
-		backup = -1;
-	}
-
-	// Remove tags and reduce the number of ellipsis for correct translation
-	qtext.remove(QRegExp("<[^>]*>"));
-	qtext.replace(QRegExp("(" + QString(8230) + ")+"), " " + QString(8230));
-
-	// Enable page feedback
-	QJsonObject root;
-	int errorCode = 0;
-	if (pageEnabled == -1)
-	{
-		if (!devTools->SendRequest("Page.enable", {}, root))
-			errorCode = 1;
-		else
-			pageEnabled = 1;
-	}
-
-	// Change user-agent if in headless mode
-	if (userAgentFlag == -1 && errorCode == 0)
-	{
-		QString userAgent = devTools->getUserAgent();
-		if (!userAgent.isEmpty())
+		QString chromePath = settings.value(CHROME_LOCATION).toString();
+		wchar_t programFiles[MAX_PATH + 100] = {};
+		if (chromePath.isEmpty()) for (auto folder : { CSIDL_PROGRAM_FILESX86, CSIDL_PROGRAM_FILES, CSIDL_LOCAL_APPDATA })
 		{
-			userAgent.replace("HeadlessChrome", "Chrome");
-			if (!devTools->SendRequest("Network.setUserAgentOverride", { {"userAgent", userAgent} }, root))
-				errorCode = 1;
-			else
-				userAgentFlag = 1;
+			SHGetFolderPathW(NULL, folder, NULL, SHGFP_TYPE_CURRENT, programFiles);
+			wcscat_s(programFiles, L"/Google/Chrome/Application/chrome.exe");
+			if (std::filesystem::exists(programFiles)) chromePath = S(programFiles);
 		}
+		auto chromePathEdit = new QLineEdit(chromePath);
+		QObject::connect(chromePathEdit, &QLineEdit::textChanged, [chromePathEdit](QString path) { settings.setValue(CHROME_LOCATION, path); });
+		display->addRow(CHROME_LOCATION, chromePathEdit);
+		auto statusLabel = new QLabel("Stopped");
+		auto startButton = new QPushButton(START_DEVTOOLS), stopButton = new QPushButton(STOP_DEVTOOLS);
+		auto headlessCheckBox = new QCheckBox(HEADLESS_MODE);
+		headlessCheckBox->setChecked(settings.value(HEADLESS_MODE, true).toBool());
+		QObject::connect(headlessCheckBox, &QCheckBox::clicked, [](bool headless) { settings.setValue(HEADLESS_MODE, headless); });
+		QObject::connect(startButton, &QPushButton::clicked, [statusLabel, chromePathEdit, headlessCheckBox] {
+			DevTools::Start(
+				S(chromePathEdit->text()),
+				[statusLabel](QString status) { QMetaObject::invokeMethod(statusLabel, std::bind(&QLabel::setText, statusLabel, status)); },
+				headlessCheckBox->isChecked(),
+				9222
+			);
+			if (!DevTools::SendRequest(L"Network.enable")) DevTools::Close();
+		});
+		QObject::connect(stopButton, &QPushButton::clicked, &DevTools::Close);
+		auto buttons = new QHBoxLayout();
+		buttons->addWidget(startButton);
+		buttons->addWidget(stopButton);
+		display->addRow(buttons);
+		display->addRow(headlessCheckBox);
+		auto autoStartButton = new QCheckBox(AUTO_START);
+		autoStartButton->setChecked(settings.value(AUTO_START, false).toBool());
+		QObject::connect(autoStartButton, &QCheckBox::clicked, [](bool autoStart) {settings.setValue(AUTO_START, autoStart); });
+		display->addRow(autoStartButton);
+		statusLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);
+		display->addRow(DEVTOOLS_STATUS, statusLabel);
+		if (autoStartButton->isChecked()) startButton->click();
 	}
-
-	// Increase queue counter and wait until previous calls are done
-	float timer = 0;
-	int timerStop = 10;
-	long callTag = ++callNumber;
-	callQueue.insert(callQueue.begin(), callTag);
-	while (errorCode == 0 && callQueue.back() != callTag && timer < 2 * timerStop)
+	break;
+	case DLL_PROCESS_DETACH:
 	{
-		std::this_thread::sleep_for(std::chrono::milliseconds(100));
-		timer += 0.1;
+		DevTools::Close();
 	}
-	if (timer >= 2 * timerStop)
-		errorCode = 5;
+	break;
+	}
+	return TRUE;
+}

-	// Set methods to receive
-	long navigate = devTools->methodToReceive("Page.navigatedWithinDocument");
-	long target;
-	if (mobileShareId != -1 && backup == -1)
-		target = devTools->methodToReceive("DOM.attributeModified", { { "nodeId" , mobileShareId } , { "value" , "lmt__mobile_share_container lmt--mobile-hidden" } });
-	else if (mobileShareId == -1 && backup == -1)
-		target = devTools->methodToReceive("DOM.attributeModified", { { "value" , "lmt__mobile_share_container lmt--mobile-hidden" } });
-	else
-		target = devTools->methodToReceive("DOM.childNodeCountUpdated");
-	if (update == -1)
-		update = devTools->methodToReceive("DOM.documentUpdated");
+std::pair<bool, std::wstring> Translate(const std::wstring& text)
+{
+	if (!DevTools::Connected()) return { false, FormatString(L"%s: %s", TRANSLATION_ERROR, ERROR_START_CHROME) };
+
+	// DevTools can't handle concurrent translations yet
+	static std::mutex translationMutex;
+	std::scoped_lock lock(translationMutex);

 	// Navigate to site and wait until it is loaded
-	QString checkFrom = translateFrom.Copy().empty() ? "ja" : S(translateFrom.Copy());
-	QString fullUrl = URL + "#" + checkFrom + "/" + S(translateTo.Copy()) + "/" + qtext;
-	if (errorCode == 0 && !devTools->SendRequest("Page.navigate", { {"url", fullUrl} }, root))
-		errorCode = 1;
-	timer = 0;
-	while (errorCode == 0 && !devTools->checkMethod(navigate) && timer < timerStop)
-	{
-		std::this_thread::sleep_for(std::chrono::milliseconds(100));
-		timer += 0.1;
-	}
-	if (timer >= timerStop)
-		errorCode = 2;
+	DevTools::StartListening(L"Network.responseReceived");
+	DevTools::SendRequest(L"Page.navigate", FormatString(LR"({"url":"https://www.deepl.com/translator#any/%s/%s"})", translateTo.Copy(), Escape(text)));
+	for (int retry = 0; ++retry < 50; Sleep(100))
+		for (const auto& result : DevTools::ListenResults(L"Network.responseReceived"))
+			if (auto URL = result[L"response"][L"url"].String())
+				if (URL->find(L"deepl.com/jsonrpc") != std::string::npos) break;
+	DevTools::StopListening(L"Network.responseReceived");

-	// Check if document is outdated
-	if (devTools->checkMethod(update))
+	// Extract translation from site
+	auto RemoveTags = [](const std::wstring& HTML)
 	{
-		docFound = -1;
-		targetNodeId = -1;
-		update = -1;
-	}
-
-	// Get document
-	if (docFound == -1 && errorCode == 0)
-	{
-		if (!devTools->SendRequest("DOM.getDocument", {}, root))
-			errorCode = 1;
-		else
-			docFound = root.value("result").toObject().value("root").toObject().value("nodeId").toInt();
-	}
-
-	// Get target selector
-	if (targetNodeId == -1 && errorCode == 0)
-	{
-		if (!devTools->SendRequest("DOM.querySelector", { {"nodeId", docFound}, {"selector", "textarea.lmt__target_textarea"} }, root)
-			|| root.value("result").toObject().value("nodeId").toInt() == 0)
-		{
-			docFound = -1;
-			errorCode = 1;
-		}
-		else
-			targetNodeId = root.value("result").toObject().value("nodeId").toInt();
-	}
-
-	// Get source language selector
-	if (sourceLangId == -1 && errorCode == 0)
-	{
-		if (!devTools->SendRequest("DOM.querySelector", { {"nodeId", docFound}, {"selector", "div.lmt__language_select--source"} }, root)
-			|| root.value("result").toObject().value("nodeId").toInt() == 0)
-		{
-			docFound = -1;
-			errorCode = 1;
-		}
-		else
-			sourceLangId = root.value("result").toObject().value("nodeId").toInt();
-	}
-
-	// Get mobile share selector
-	if (mobileShareId == -1 && errorCode == 0)
-	{
-		if (!devTools->SendRequest("DOM.querySelector", { {"nodeId", docFound}, {"selector", "div.lmt__mobile_share_container"} }, root)
-			|| root.value("result").toObject().value("nodeId").toInt() == 0)
-		{
-			docFound = -1;
-			errorCode = 1;
-		}
-		else
-			mobileShareId = root.value("result").toObject().value("nodeId").toInt();
-	}
-
-	// Wait for the translation to appear on the web page
-	timer = 0;
-	while (errorCode == 0 && !devTools->checkMethod(target) && timer < timerStop)
-	{
-		std::this_thread::sleep_for(std::chrono::milliseconds(100));
-		timer += 0.1;
-	}
-
-	// Catch the translation
-	QString OuterHTML;
-	if (errorCode == 0)
-	{
-		if (!devTools->SendRequest("DOM.getOuterHTML", { {"nodeId", targetNodeId + 1} }, root))
-		{
-			targetNodeId = -1;
-			errorCode = 1;
-		}
-		else
-		{
-			OuterHTML = root.value("result").toObject().value("outerHTML").toString();
-		}
-	}
-	if (errorCode == 0 && OuterHTML == "<div></div>")
-	{
-		// Try to catch the notification
-		int noteNodeId = -1;
-		if (!devTools->SendRequest("DOM.querySelector", { {"nodeId", docFound}, {"selector", "div.lmt__system_notification"} }, root)
-			|| root.value("result").toObject().value("nodeId").toInt() == 0)
-		{
-			if (timer >= timerStop)
-				errorCode = 2;
-			else
-				errorCode = 6;
-		}
-		else
-		{
-			noteNodeId = root.value("result").toObject().value("nodeId").toInt();
-			if (errorCode == 0 && devTools->SendRequest("DOM.getOuterHTML", { {"nodeId", noteNodeId} }, root))
-			{
-				OuterHTML = root.value("result").toObject().value("outerHTML").toString();
-			}
-			errorCode = 3;
-		}
-	}
-	OuterHTML.remove(QRegExp("<[^>]*>"));
-	OuterHTML = OuterHTML.trimmed();
-	if (backup == -1 && errorCode == 0 && timer >= timerStop)
-		backup = 1;
-
-	// Check if the translator output language does not match the selected language
-	QString targetLang;
-	if (errorCode == 0 && devTools->SendRequest("DOM.getAttributes", { {"nodeId", targetNodeId} }, root))
-	{
-		QJsonArray attributes = root.value("result").toObject().value("attributes").toArray();
-		for (size_t i = 0; i < attributes.size(); i++)
-		{
-			if (attributes[i].toString() == "lang")
-			{
-				targetLang = attributes[i + 1].toString().mid(0, 2);
-				if (targetLang != S(translateTo.Copy()))
-				{
-					errorCode = 4;
-				}
-				break;
-			}
-		}
-	}
-
-	// Check selected source language
-	if (errorCode == 0 && devTools->SendRequest("DOM.getAttributes", { {"nodeId", sourceLangId} }, root))
-	{
-		QJsonArray attributes = root.value("result").toObject().value("attributes").toArray();
-		for (size_t i = 0; i < attributes.size(); i++)
-		{
-			if (attributes[i].toString() == "dl-selected-lang"
-				&& attributes[i + 1].toString().mid(0, 2) != S(translateFrom.Copy()))
-			{
-				QStringList::const_iterator constIter;
-				for (constIter = languagesFrom.constBegin(); constIter != languagesFrom.constEnd(); ++constIter)
-				{
-					if (constIter->contains(": " + S(translateFrom.Copy())))
-						break;
-				}
-				devTools->SendRequest("Runtime.evaluate", { {"expression",
-					"document\
-					.querySelector('div.lmt__language_select--source')\
-					.querySelector('button.lmt__language_select__active')\
-					.click();\
-					document\
-					.evaluate(\"//button[contains(text(), '"
-						+ constIter->split(": ")[0] + "')]\", \
-						document.querySelector('div.lmt__language_select__menu'),\
-						null, XPathResult.FIRST_ORDERED_NODE_TYPE, null)\
-					.singleNodeValue\
-					.click();"
-				} }, root);
-			}
-		}
-	}
-
-	callQueue.pop_back();
-	if (errorCode == 0)
-		return { true, S(OuterHTML) };
-	else if (errorCode == 1)
-		return { false, FormatString(L"%s", ERROR_COMMAND_FAIL) };
-	else if (errorCode == 2)
-		return { false, FormatString(L"%s: %d", ERROR_GOT_TIMEOUT, timerStop) };
-	else if (errorCode == 3)
-		return { false, FormatString(L"%s: %s", ERROR_NOTE, S(OuterHTML)) };
-	else if (errorCode == 4)
-		return { false, FormatString(L"%s (%s): %s", ERROR_LANGUAGE, S(targetLang), S(OuterHTML)) };
-	else if (errorCode == 5)
-		return { false, FormatString(L"%s: %d", ERROR_GOT_TIMEOUT, 2*timerStop) };
-	else if (errorCode == 6)
-		return { false, FormatString(L"%s", ERROR_EMPTY_ANSWER) };
-	else
-		return { false, FormatString(L"%s", TRANSLATION_ERROR) };
+		std::wstring result;
+		for (unsigned i = 0; i < HTML.size(); ++i)
+			if (HTML[i] == '<') i = HTML.find('>', i);
+			else result.push_back(HTML[i]);
+		return result;
+	};
+	if (auto document = Copy(DevTools::SendRequest(L"DOM.getDocument")[L"root"][L"nodeId"].Number()))
+		if (auto target = Copy(DevTools::SendRequest(
+			L"DOM.querySelector", FormatString(LR"({"nodeId":%d,"selector":"#target-dummydiv"})", (int)document.value())
+		)[L"nodeId"].Number()))
+			if (auto outerHTML = Copy(DevTools::SendRequest(L"DOM.getOuterHTML", FormatString(LR"({"nodeId":%d})", (int)target.value()))[L"outerHTML"].String()))
+				if (auto translation = RemoveTags(outerHTML.value()); !translation.empty()) return { true, translation };
+				else if (target = Copy(DevTools::SendRequest(
+					L"DOM.querySelector", FormatString(LR"({"nodeId":%d,"selector":"div.lmt__system_notification"})", (int)document.value())
+				)[L"nodeId"].Number()))
+					if (outerHTML = Copy(DevTools::SendRequest(L"DOM.getOuterHTML", FormatString(LR"({"nodeId":%d})", (int)target.value()))[L"outerHTML"].String()))
+						return { false, FormatString(L"%s: %s", TRANSLATION_ERROR, RemoveTags(outerHTML.value())) };
+	return { false, TRANSLATION_ERROR };
 }
--- a/extensions/devtoolswrapper.cpp
+++ b/extensions/devtoolswrapper.cpp
@ -1,233 +0,0 @@
-#include "qtcommon.h"
-#include "extension.h"
-#include "blockmarkup.h"
-#include "network.h"
-#include <map>
-#include <fstream>
-#include <QComboBox>
-#include "devtools.h"
-
-extern const char* NATIVE_LANGUAGE;
-extern const char* TRANSLATE_TO;
-extern const char* TRANSLATE_SELECTED_THREAD_ONLY;
-extern const char* USE_TRANS_CACHE;
-extern const char* MAX_SENTENCE_SIZE;
-extern const char* TRANSLATION_PROVIDER;
-extern QStringList languagesTo;
-extern QStringList languagesFrom;
-const char* TRANSLATE_FROM = u8"Translate from";
-const char* NATIVE_LANGUAGE_FROM = u8"Japanese";
-const char* PATH_TO_CHROME = u8"Path to Chrome";
-const char* AUTO_START_CHROME = u8"Start Chrome automatically";
-const char* HEADLESS_CHROME = u8"Start in headless mode";
-const char* CHROME_DEBUG_PORT = u8"Chrome debug port";
-const char* DEV_TOOLS_STATUS = u8"Status: ";
-const char* START_DEV_TOOLS_BUTTON = u8"Start";
-const char* START_DEV_TOOLS = u8"Start Chrome";
-const char* STOP_DEV_TOOLS_BUTTON = u8"Stop";
-const char* STOP_DEV_TOOLS = u8"Stop Chrome";
-
-extern bool useCache, autoStartChrome, headlessChrome;
-extern int maxSentenceSize, chromePort;
-
-std::pair<bool, std::wstring> Translate(const std::wstring& text, DevTools* devTools);
-
-const char* LANGUAGE_TO = u8"Language";
-const char* LANGUAGE_FROM = u8"Language from";
-const std::string TRANSLATION_CACHE_FILE = FormatString("%s Cache.txt", TRANSLATION_PROVIDER);
-
-QFormLayout* display;
-Settings settings;
-Synchronized<std::wstring> translateTo = L"en", translateFrom = L"ja";
-Synchronized<std::map<std::wstring, std::wstring>> translationCache;
-
-int savedSize;
-DevTools* devTools = nullptr;
-std::wstring pathToChrome = L"";
-
-void SaveCache()
-{
-	std::wstring allTranslations(L"\xfeff");
-	for (const auto& [sentence, translation] : translationCache.Acquire().contents)
-		allTranslations.append(L"|SENTENCE|").append(sentence).append(L"|TRANSLATION|").append(translation).append(L"|END|\r\n");
-	std::ofstream(TRANSLATION_CACHE_FILE, std::ios::binary | std::ios::trunc).write((const char*)allTranslations.c_str(), allTranslations.size() * sizeof(wchar_t));
-	savedSize = translationCache->size();
-}
-
-void EraseControlCharacters(std::wstring& text)
-{
-	for (auto it = text.begin(); it!= text.end(); ++it)
-	{
-		if ((*it == '\n') || (*it == '\r') || (*it == '\t') || (int(*it) == 4) || (int(*it) == 5))
-		{
-			text.erase(it--);
-		}
-		if (*it == '\\' && *(it + 1) == 'n')
-		{
-			text.erase((it + 1)--);
-			text.erase(it--);
-		}
-	}
-}
-
-class Window : public QDialog
-{
-public:
-	Window() :
-		QDialog(nullptr, Qt::WindowMinMaxButtonsHint)
-	{
-		localize();
-		display = new QFormLayout(this);
-		settings.beginGroup(TRANSLATION_PROVIDER);
-
-		auto languageBoxTo = new QComboBox(this);
-		languageBoxTo->addItems(languagesTo);
-		int languageTo = -1;
-		if (settings.contains(LANGUAGE_TO)) languageTo = languageBoxTo->findText(settings.value(LANGUAGE_TO).toString(), Qt::MatchEndsWith);
-		if (languageTo < 0) languageTo = languageBoxTo->findText(NATIVE_LANGUAGE, Qt::MatchStartsWith);
-		if (languageTo < 0) languageTo = languageBoxTo->findText("English", Qt::MatchStartsWith);
-		languageBoxTo->setCurrentIndex(languageTo);
-		saveLanguage(languageBoxTo->currentText());
-		display->addRow(TRANSLATE_TO, languageBoxTo);
-		connect(languageBoxTo, &QComboBox::currentTextChanged, this, &Window::saveLanguage);
-
-		auto languageBoxFrom = new QComboBox(this);
-		languageBoxFrom->addItems(languagesFrom);
-		int languageFrom = -1;
-		if (settings.contains(LANGUAGE_FROM)) languageFrom = languageBoxFrom->findText(settings.value(LANGUAGE_FROM).toString(), Qt::MatchEndsWith);
-		if (languageFrom < 0) languageFrom = languageBoxFrom->findText(NATIVE_LANGUAGE_FROM, Qt::MatchStartsWith);
-		if (languageFrom < 0) languageFrom = languageBoxFrom->findText("Japanese", Qt::MatchStartsWith);
-		languageBoxFrom->setCurrentIndex(languageFrom);
-		saveLanguageFrom(languageBoxFrom->currentText());
-		display->addRow(TRANSLATE_FROM, languageBoxFrom);
-		connect(languageBoxFrom, &QComboBox::currentTextChanged, this, &Window::saveLanguageFrom);
-		for (auto [value, label] : Array<bool&, const char*>{
-			{ useCache, USE_TRANS_CACHE },
-			{ autoStartChrome, AUTO_START_CHROME },
-			//{ headlessChrome, HEADLESS_CHROME }
-			})
-		{
-			value = settings.value(label, value).toBool();
-			auto checkBox = new QCheckBox(this);
-			checkBox->setChecked(value);
-			display->addRow(label, checkBox);
-			connect(checkBox, &QCheckBox::clicked, [label, &value](bool checked) { settings.setValue(label, value = checked); });
-		}
-		for (auto [value, label] : Array<int&, const char*>{
-			{ maxSentenceSize, MAX_SENTENCE_SIZE },
-			{ chromePort, CHROME_DEBUG_PORT },
-			})
-		{
-			value = settings.value(label, value).toInt();
-			auto spinBox = new QSpinBox(this);
-			spinBox->setRange(0, INT_MAX);
-			spinBox->setValue(value);
-			display->addRow(label, spinBox);
-			connect(spinBox, qOverload<int>(&QSpinBox::valueChanged), [label, &value](int newValue) { settings.setValue(label, value = newValue); });
-		}
-
-		auto keyInput = new QLineEdit(settings.value(PATH_TO_CHROME).toString());
-		pathToChrome = (S(keyInput->text()));
-		if (pathToChrome.empty())
-		{
-			for (auto defaultPath : Array<std::wstring>{
-				{ L"C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe" },
-				{ L"C:\\Program Files\\Google\\Chrome\\Application\\chrome.exe" },
-				})
-				if (std::filesystem::exists(defaultPath))
-				{
-					pathToChrome = defaultPath;
-					keyInput->setText(S(pathToChrome));
-				}
-		}
-		connect(keyInput, &QLineEdit::textChanged, [keyInput](QString key) { settings.setValue(PATH_TO_CHROME, S(pathToChrome = (S(key)))); });
-		display->addRow(PATH_TO_CHROME, keyInput);
-
-		connect(&startButton, &QPushButton::clicked, this, &Window::Start);
-		connect(&stopButton, &QPushButton::clicked, this, &Window::Stop);
-		display->addRow(START_DEV_TOOLS, &startButton);
-		display->addRow(STOP_DEV_TOOLS, &stopButton);
-
-		status.setFrameStyle(QFrame::Panel | QFrame::Sunken);
-		display->addRow(DEV_TOOLS_STATUS, &status);
-
-		setWindowTitle(TRANSLATION_PROVIDER);
-		QMetaObject::invokeMethod(this, &QWidget::show, Qt::QueuedConnection);
-
-		std::ifstream stream(TRANSLATION_CACHE_FILE, std::ios::binary);
-		BlockMarkupIterator savedTranslations(stream, Array<std::wstring_view>{ L"|SENTENCE|", L"|TRANSLATION|" });
-		auto translationCache = ::translationCache.Acquire();
-
-		while (auto read = savedTranslations.Next())
-		{
-			auto& [sentence, translation] = read.value();
-			translationCache->try_emplace(std::move(sentence), std::move(translation));
-		}
-		savedSize = translationCache->size();
-
-		devTools = new DevTools(this);
-		connect(devTools, &DevTools::statusChanged, [this](QString text)
-			{
-				status.setText(text);
-			});
-
-		if (autoStartChrome)
-			QMetaObject::invokeMethod(this, &Window::Start, Qt::QueuedConnection);
-	}
-
-	~Window()
-	{
-		Stop();
-		if (devTools != nullptr)
-			delete devTools;
-		SaveCache();
-	}
-
-private:
-	void Start()
-	{
-		if (devTools->getStatus() == "Stopped")
-			devTools->startDevTools(S(pathToChrome), headlessChrome, chromePort);
-	}
-	void Stop()
-	{
-		devTools->closeDevTools();
-	}
-
-	void saveLanguage(QString language)
-	{
-		settings.setValue(LANGUAGE_TO, S(translateTo->assign(S(language.split(": ")[1]))));
-	}
-	void saveLanguageFrom(QString language)
-	{
-		settings.setValue(LANGUAGE_FROM, S(translateFrom->assign(S(language.split(": ")[1]))));
-	}
-	QPushButton startButton{ START_DEV_TOOLS_BUTTON, this };
-	QPushButton stopButton{ STOP_DEV_TOOLS_BUTTON, this };
-	QLabel status{ "Stopped" };
-} window;
-
-bool ProcessSentence(std::wstring& sentence, SentenceInfo sentenceInfo)
-{
-	if (sentenceInfo["text number"] == 0 || sentence.size() > maxSentenceSize) return false;
-
-	bool cache = false;
-	std::wstring translation;
-	if (useCache)
-	{
-		auto translationCache = ::translationCache.Acquire();
-		if (auto it = translationCache->find(sentence); it != translationCache->end()) translation = it->second + L"\x200b";
-	}
-	if (translation.empty() && (sentenceInfo["current select"]))
-	{
-		EraseControlCharacters(sentence);
-		std::tie(cache, translation) = Translate(sentence, devTools);
-	}
-		
-	if (cache) translationCache->try_emplace(sentence, translation);
-	if (cache && translationCache->size() > savedSize + 50) SaveCache();
-
-	JSON::Unescape(translation);
-	sentence += L"\n" + translation;
-	return true;
-}
--- a/extensions/extrawindow.cpp
+++ b/extensions/extrawindow.cpp
@ -46,7 +46,7 @@ struct PrettyWindow : QDialog
 {
 	PrettyWindow(const char* name)
 	{
-		localize();
+		Localize();
 		ui.setupUi(this);
 		ui.display->setGraphicsEffect(&outliner);
 		setWindowFlags(Qt::FramelessWindowHint);
@ -439,8 +439,7 @@ private:
 		{
 			std::vector<LookupResult> results;
 			for (auto [it, end] = std::equal_range(dictionary.begin(), dictionary.end(), DictionaryEntry{ term.toUtf8() }); it != end; ++it)
-				if (foundDefinitions.emplace(it->definition).second)
-					results.push_back({ term, it->definition, inflectionsUsed });
+				if (foundDefinitions.emplace(it->definition).second) results.push_back({ term, it->definition, inflectionsUsed });
 			for (const auto& inflection : inflections) if (auto match = inflection.inflectsTo.match(term); match.hasMatch())
 			{
 				QStringList currentInflectionsUsed = inflectionsUsed;
--- a/extensions/googletranslate.cpp
+++ b/extensions/googletranslate.cpp
@ -1,5 +1,4 @@
 #include "qtcommon.h"
-#include "extension.h"
 #include "network.h"
 #include <ctime>

@ -123,7 +122,7 @@ QStringList languages
 };

 bool translateSelectedOnly = false, rateLimitAll = true, rateLimitSelected = false, useCache = true;
-int tokenCount = 30, tokenRestoreDelay = 60000, maxSentenceSize = 500;
+int tokenCount = 30, tokenRestoreDelay = 60000, maxSentenceSize = 1000;

 std::pair<bool, std::wstring> Translate(const std::wstring& text)
 {
@ -153,9 +152,11 @@ std::pair<bool, std::wstring> Translate(const std::wstring& text)
 			if (auto blob = Copy(JSON::Parse(httpRequest.response.substr(start))[0][2].String())) if (auto translations = Copy(JSON::Parse(blob.value())[1][0].Array()))
 			{
 				std::wstring translation;
-				if (translations->size() == 1 && (translations = Copy(translations.value()[0][5].Array())))
+				if (translations->size() == 1)
 				{
-					for (const auto& sentence : translations.value()) if (sentence[0].String()) (translation += *sentence[0].String()) += L" ";
+					if (translations = Copy(translations.value()[0][5].Array()))
+						for (const auto& sentence : translations.value())
+							if (sentence[0].String()) (translation += *sentence[0].String()) += L" ";
 				}
 				else
 				{
--- a/extensions/lua.cpp
+++ b/extensions/lua.cpp
@ -47,7 +47,7 @@ public:
 	Window()
 		: QDialog(nullptr, Qt::WindowMinMaxButtonsHint)
 	{
-		localize();
+		Localize();
 		connect(&loadButton, &QPushButton::clicked, this, &Window::LoadScript);

 		if (scriptEditor.toPlainText().isEmpty()) scriptEditor.setPlainText(LUA_INTRO);
--- a/extensions/network.cpp
+++ b/extensions/network.cpp
@ -7,11 +7,11 @@ HttpRequest::HttpRequest(
 	const wchar_t* objectName,
 	std::string body,
 	const wchar_t* headers,
+	DWORD port,
 	const wchar_t* referrer,
 	DWORD requestFlags,
 	const wchar_t* httpVersion,
-	const wchar_t** acceptTypes,
-	DWORD port
+	const wchar_t** acceptTypes
 )
 {
 	static std::atomic<HINTERNET> internet = NULL;
--- a/extensions/network.h
+++ b/extensions/network.h
@ -14,11 +14,11 @@ struct HttpRequest
 		const wchar_t* objectName,
 		std::string body = "",
 		const wchar_t* headers = NULL,
+		DWORD port = INTERNET_DEFAULT_PORT,
 		const wchar_t* referrer = NULL,
 		DWORD requestFlags = WINHTTP_FLAG_SECURE | WINHTTP_FLAG_ESCAPE_DISABLE,
 		const wchar_t* httpVersion = NULL,
-		const wchar_t** acceptTypes = NULL,
-		DWORD port = INTERNET_DEFAULT_PORT
+		const wchar_t** acceptTypes = NULL
 	);
 	operator bool() { return errorCode == ERROR_SUCCESS; }

@ -38,7 +38,7 @@ namespace JSON
 	std::basic_string<C> Escape(std::basic_string<C> text)
 	{
 		int oldSize = text.size();
-		text.resize(text.size() + std::count_if(text.begin(), text.end(), [](auto ch) { return ch == '\n' || ch == '\r' || ch == '\t' || ch == '\\' || ch == '"'; }));
+		text.resize(text.size() + std::count_if(text.begin(), text.end(), [](C ch) { return ch == '\n' || ch == '\r' || ch == '\t' || ch == '\\' || ch == '"'; }));
 		auto out = text.rbegin();
 		for (int i = oldSize - 1; i >= 0; --i)
 		{
@ -60,13 +60,13 @@ namespace JSON
 	template <typename C> struct UTF {};
 	template <> struct UTF<wchar_t>
 	{
-		inline static std::wstring FromCodepoint(int codepoint) { return { (wchar_t)codepoint }; } // TODO: surrogate pairs
+		inline static std::wstring FromCodepoint(unsigned codepoint) { return { (wchar_t)codepoint }; } // TODO: surrogate pairs
 	};

 	template <typename C>
-	struct Value : private std::variant<std::monostate, std::nullopt_t, bool, double, std::basic_string<C>, std::vector<Value<C>>, std::unordered_map<std::basic_string<C>, Value<C>>>
+	struct Value : private std::variant<std::monostate, std::nullptr_t, bool, double, std::basic_string<C>, std::vector<Value<C>>, std::unordered_map<std::basic_string<C>, Value<C>>>
 	{
-		using std::variant<std::monostate, std::nullopt_t, bool, double, std::basic_string<C>, std::vector<Value<C>>, std::unordered_map<std::basic_string<C>, Value<C>>>::variant;
+		using std::variant<std::monostate, std::nullptr_t, bool, double, std::basic_string<C>, std::vector<Value<C>>, std::unordered_map<std::basic_string<C>, Value<C>>>::variant;

 		explicit operator bool() const { return index(); }
 		bool IsNull() const { return index() == 1; }
@ -78,17 +78,18 @@ namespace JSON

 		const Value<C>& operator[](std::basic_string<C> key) const
 		{
-			static const Value<C> failure;
 			if (auto object = Object()) if (auto it = object->find(key); it != object->end()) return it->second;
 			return failure;
 		}
 		const Value<C>& operator[](int i) const
 		{
-			static const Value<C> failure;
 			if (auto array = Array()) if (i < array->size()) return array->at(i);
 			return failure;
 		}
+
+		static const Value<C> failure;
 	};
+	template <typename C> const Value<C> Value<C>::failure;
 	
 	template <typename C, int maxDepth = 25>
 	Value<C> Parse(const std::basic_string<C>& text, int64_t& i, int depth)
@ -116,7 +117,7 @@ namespace JSON
 					if (ch == 'u' && isxdigit(text[i + 2]) && isxdigit(text[i + 3]) && isxdigit(text[i + 4]) && isxdigit(text[i + 5]))
 					{
 						char charCode[] = { text[i + 2], text[i + 3], text[i + 4], text[i + 5], 0 };
-						unescaped += UTF<C>::FromCodepoint(strtol(charCode, nullptr, 16));
+						unescaped += UTF<C>::FromCodepoint(strtoul(charCode, nullptr, 16));
 						i += 5;
 						continue;
 					}
@ -137,7 +138,7 @@ namespace JSON

 		static C nullStr[] = { 'n', 'u', 'l', 'l' }, trueStr[] = { 't', 'r', 'u', 'e' }, falseStr[] = { 'f', 'a', 'l', 's', 'e' };
 		if (ch == nullStr[0])
-			if (std::char_traits<C>::compare(text.data() + i, nullStr, std::size(nullStr)) == 0) return i += std::size(nullStr), std::nullopt;
+			if (std::char_traits<C>::compare(text.data() + i, nullStr, std::size(nullStr)) == 0) return i += std::size(nullStr), nullptr;
 			else return {};
 		if (ch == trueStr[0])
 			if (std::char_traits<C>::compare(text.data() + i, trueStr, std::size(trueStr)) == 0) return i += std::size(trueStr), true;
--- a/extensions/regexfilter.cpp
+++ b/extensions/regexfilter.cpp
@ -21,7 +21,7 @@ public:
 	Window()
 		: QDialog(nullptr, Qt::WindowMinMaxButtonsHint)
 	{
-		localize();
+		Localize();
 		ui.setupUi(this);

 		connect(ui.input, &QLineEdit::textEdited, this, &Window::setRegex);
@ -34,7 +34,7 @@ public:
 	void setRegex(QString regex)
 	{
 		ui.input->setText(regex);
-		std::lock_guard l(m);
+		std::scoped_lock lock(m);
 		if (!regex.isEmpty()) try { ::regex = S(regex); }
 		catch (std::regex_error) { return ui.output->setText(INVALID_REGEX); }
 		else ::regex = std::nullopt;
--- a/extensions/removerepeatphrase.cpp
+++ b/extensions/removerepeatphrase.cpp
@ -59,14 +59,12 @@ bool ProcessSentence(std::wstring& sentence, SentenceInfo sentenceInfo)
 		{
 			std::wstring substring(sentence, suffixArray[i], commonPrefixLength);
 			bool substringCharMap[0x10000] = {};
-			for (auto ch : substring)
-				substringCharMap[ch] = true;
+			for (auto ch : substring) substringCharMap[ch] = true;

 			for (int regionSize = 0, j = 0; j <= sentence.size(); ++j)
 				if (substringCharMap[sentence[j]]) regionSize += 1;
 				else if (regionSize >= commonPrefixLength * 2)
-					while (regionSize > 0)
-						sentence[j - regionSize--] = ERASED;
+					while (regionSize > 0) sentence[j - regionSize--] = ERASED;
 				else regionSize = 0;

 			if (!wcsstr(sentence.c_str(), substring.c_str())) std::copy(substring.begin(), substring.end(), sentence.begin() + max(suffixArray[i], suffixArray[i + 1]));
--- a/extensions/replacer.cpp
+++ b/extensions/replacer.cpp
@ -87,7 +87,7 @@ void UpdateReplacements()
 	try
 	{
 		if (replaceFileLastWrite.exchange(std::filesystem::last_write_time(REPLACE_SAVE_FILE)) == std::filesystem::last_write_time(REPLACE_SAVE_FILE)) return;
-		std::scoped_lock l(m);
+		std::scoped_lock lock(m);
 		trie = Trie(std::ifstream(REPLACE_SAVE_FILE, std::ios::binary));
 	}
 	catch (std::filesystem::filesystem_error) { replaceFileLastWrite.store({}); }
@ -103,7 +103,8 @@ BOOL WINAPI DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved
 		if (trie.Empty())
 		{
 			auto file = std::ofstream(REPLACE_SAVE_FILE, std::ios::binary) << "\xff\xfe";
-			for (auto ch : std::wstring_view(REPLACER_INSTRUCTIONS)) file << (ch == L'\n' ? std::string_view("\r\0\n", 4) : std::string_view((char*)&ch, 2));
+			for (auto ch : std::wstring_view(REPLACER_INSTRUCTIONS))
+				file << (ch == L'\n' ? std::string_view("\r\0\n", 4) : std::string_view((char*)&ch, 2));
 			_spawnlp(_P_DETACH, "notepad", "notepad", REPLACE_SAVE_FILE, NULL); // show file to user
 		}
 	}
--- a/extensions/threadlinker.cpp
+++ b/extensions/threadlinker.cpp
@ -17,7 +17,7 @@ public:
 	Window()
 		: QDialog(nullptr, Qt::WindowMinMaxButtonsHint)
 	{
-		localize();
+		Localize();
 		connect(&linkButton, &QPushButton::clicked, this, &Window::Link);

 		layout.addWidget(&linkList);
@ -35,7 +35,7 @@ private:
 		int to = QInputDialog::getText(this, THREAD_LINK_TO, HEXADECIMAL, QLineEdit::Normal, "", &ok3, Qt::WindowCloseButtonHint).toInt(&ok4, 16);
 		if (ok1 && ok2 && ok3 && ok4)
 		{
-			std::lock_guard l(m);
+			std::scoped_lock lock(m);
 			linkedTextHandles[from].insert(to);
 			linkList.addItem(QString::number(from, 16) + "->" + QString::number(to, 16));
 		}
@ -47,7 +47,7 @@ private:
 		{
 			QStringList link = linkList.currentItem()->text().split("->");
 			linkList.takeItem(linkList.currentRow());
-			std::lock_guard l(m);
+			std::scoped_lock lock(m);
 			linkedTextHandles[link[0].toInt(nullptr, 16)].erase(link[1].toInt(nullptr, 16));
 		}
 	}
--- a/extensions/translatewrapper.cpp
+++ b/extensions/translatewrapper.cpp
@ -32,16 +32,18 @@ QFormLayout* display;
 Settings settings;
 Synchronized<std::wstring> translateTo = L"en", apiKey;

-Synchronized<std::map<std::wstring, std::wstring>> translationCache;
-int savedSize;
-
-void SaveCache()
+namespace
 {
-	std::wstring allTranslations(L"\xfeff");
-	for (const auto& [sentence, translation] : translationCache.Acquire().contents)
-		allTranslations.append(L"|SENTENCE|").append(sentence).append(L"|TRANSLATION|").append(translation).append(L"|END|\r\n");
-	std::ofstream(TRANSLATION_CACHE_FILE, std::ios::binary | std::ios::trunc).write((const char*)allTranslations.c_str(), allTranslations.size() * sizeof(wchar_t));
-	savedSize = translationCache->size();
+	Synchronized<std::map<std::wstring, std::wstring>> translationCache;
+	int savedSize;
+	void SaveCache()
+	{
+		std::wstring allTranslations(L"\xfeff");
+		for (const auto& [sentence, translation] : translationCache.Acquire().contents)
+			allTranslations.append(L"|SENTENCE|").append(sentence).append(L"|TRANSLATION|").append(translation).append(L"|END|\r\n");
+		std::ofstream(TRANSLATION_CACHE_FILE, std::ios::binary | std::ios::trunc).write((const char*)allTranslations.c_str(), allTranslations.size() * sizeof(wchar_t));
+		savedSize = translationCache->size();
+	}
 }

 class Window : public QDialog
@ -50,7 +52,7 @@ public:
 	Window() :
 		QDialog(nullptr, Qt::WindowMinMaxButtonsHint)
 	{
-		localize();
+		Localize();
 		display = new QFormLayout(this);

 		settings.beginGroup(TRANSLATION_PROVIDER);
@ -93,7 +95,7 @@ public:
 		}
 		if (GET_API_KEY_FROM)
 		{
-			auto keyInput = new QLineEdit(settings.value(API_KEY).toString());
+			auto keyInput = new QLineEdit(settings.value(API_KEY).toString(), this);
 			apiKey->assign(S(keyInput->text()));
 			QObject::connect(keyInput, &QLineEdit::textChanged, [](QString key) { settings.setValue(API_KEY, S(apiKey->assign(S(key)))); });
 			auto keyLabel = new QLabel(QString("<a href=\"%1\">%2</a>").arg(GET_API_KEY_FROM, API_KEY), this);
@ -147,8 +149,15 @@ bool ProcessSentence(std::wstring& sentence, SentenceInfo sentenceInfo)
 		Synchronized<std::vector<DWORD>> tokens;
 	} rateLimiter;

+	auto StripWhitespace = [](std::wstring& text)
+	{
+		text.erase(text.begin(), std::find_if_not(text.begin(), text.end(), iswspace));
+		text.erase(std::find_if_not(text.rbegin(), text.rend(), iswspace).base(), text.end());
+	};
+
 	bool cache = false;
 	std::wstring translation;
+	StripWhitespace(sentence);
 	if (useCache)
 	{
 		auto translationCache = ::translationCache.Acquire();
@ -157,6 +166,7 @@ bool ProcessSentence(std::wstring& sentence, SentenceInfo sentenceInfo)
 	if (translation.empty() && (!translateSelectedOnly || sentenceInfo["current select"]))
 		if (rateLimiter.Request() || !rateLimitAll || (!rateLimitSelected && sentenceInfo["current select"])) std::tie(cache, translation) = Translate(sentence);
 		else translation = TOO_MANY_TRANS_REQUESTS;
+	StripWhitespace(translation);
 	if (cache) translationCache->try_emplace(sentence, translation);
 	if (cache && translationCache->size() > savedSize + 50) SaveCache();

--- a/include/common.h
+++ b/include/common.h
@ -82,6 +82,8 @@ static struct // should be inline but MSVC (linker) is bugged
 	template <typename T> operator T*() { static_assert(sizeof(T) < sizeof(DUMMY)); return (T*)DUMMY; }
 } DUMMY;

+inline auto Swallow = [](auto&&...) {};
+
 template <typename T> std::optional<std::remove_cv_t<T>> Copy(T* ptr) { if (ptr) return *ptr; return {}; }

 template <typename T> inline auto FormatArg(T arg) { return arg; }
@ -134,7 +136,7 @@ inline void TEXTRACTOR_MESSAGE(const wchar_t* format, const Args&... args) { Mes
 template <typename... Args>
 inline void TEXTRACTOR_DEBUG(const wchar_t* format, const Args&... args) { std::thread([=] { TEXTRACTOR_MESSAGE(format, args...); }).detach(); }

-void localize();
+void Localize();

 #ifdef _DEBUG
 #define TEST(...) static auto _ = CreateThread(nullptr, 0, [](auto) { __VA_ARGS__; return 0UL; }, NULL, 0, nullptr); 
--- a/text.cpp
+++ b/text.cpp
@ -22,7 +22,7 @@
 const char* NATIVE_LANGUAGE = "English";
 const char* ATTACH = u8"Attach to game";
 const char* LAUNCH = u8"Launch game";
-const char* GAME_CONFIG = u8"Configure game";
+const char* CONFIG = u8"Configure game";
 const char* DETACH = u8"Detach from game";
 const char* FORGET = u8"Forget game";
 const char* ADD_HOOK = u8"Add hook";
@ -144,6 +144,13 @@ const wchar_t* TOO_MANY_TRANS_REQUESTS = L"Rate limit exceeded: refuse to make m
 const wchar_t* TRANSLATION_ERROR = L"Error while translating";
 const char* USE_PREV_SENTENCE_CONTEXT = u8"Use previous sentence as context";
 const char* API_KEY = u8"API key";
+const char* CHROME_LOCATION = "Google Chrome location";
+const char* START_DEVTOOLS = u8"Start DevTools";
+const char* STOP_DEVTOOLS = u8"Stop DevTools";
+const char* HEADLESS_MODE = u8"Headless mode";
+const char* DEVTOOLS_STATUS = u8"DevTools status";
+const char* AUTO_START = u8"Start automatically";
+const wchar_t* ERROR_START_CHROME = L"failed to start Chrome or to connect to it";
 const char* EXTRA_WINDOW_INFO = u8R"(Right click to change settings
 Click and drag on window edges to move, or the bottom right corner to resize)";
 const char* SENTENCE_TOO_BIG = u8"Sentence too large to display";
@ -215,7 +222,7 @@ const char* THREAD_LINK_FROM = u8"Thread number to link from";
 const char* THREAD_LINK_TO = u8"Thread number to link to";
 const char* HEXADECIMAL = u8"Hexadecimal";

-void localize()
+void Localize()
 {
 #ifdef TURKISH
 	NATIVE_LANGUAGE = "Turkish";
@ -316,7 +323,7 @@ Clic y arrastra los bordes de la ventana para moverla, o en la esquina inferior
 	NATIVE_LANGUAGE = "Chinese (simplified)";
 	ATTACH = u8"附加到游戏";
 	LAUNCH = u8"启动游戏";
-	GAME_CONFIG = u8"配置游戏";
+	CONFIG = u8"配置游戏";
 	DETACH = u8"从游戏分离";
 	FORGET = u8"移除游戏";
 	ADD_HOOK = u8"添加钩子";
@ -469,7 +476,7 @@ end)";
 	NATIVE_LANGUAGE = "Russian";
 	ATTACH = u8"Присоединить к игре";
 	LAUNCH = u8"Запустить игру";
-	GAME_CONFIG = u8"Настройки игры";
+	CONFIG = u8"Настройки игры";
 	DETACH = u8"Отсоединить от игры";
 	FORGET = u8"Забыть игру";
 	ADD_HOOK = u8"Добавить хук";
@ -725,7 +732,7 @@ Klik dan tarik pinggiran jendela untuk memindahkan, atau sudut kanan bawah untuk
 	NATIVE_LANGUAGE = "Italian";
 	ATTACH = u8"Collega al gioco";
 	LAUNCH = u8"Avvia gioco";
-	GAME_CONFIG = u8"Configura gioco";
+	CONFIG = u8"Configura gioco";
 	DETACH = u8"Scollega dal gioco";
 	FORGET = u8"Dimentica gioco";
 	ADD_HOOK = u8"Aggiungi gancio";
@ -1145,7 +1152,7 @@ original_text의 빈공간은 무시되지만, replacement_text는 공백과 엔
 	NATIVE_LANGUAGE = "French";
 	ATTACH = u8"Attacher le jeu";
 	LAUNCH = u8"Lancer le jeu";
-	GAME_CONFIG = u8"Configure le jeu";
+	CONFIG = u8"Configure le jeu";
 	DETACH = u8"Detacher du jeu";
 	FORGET = u8"Oublier le jeu";
 	ADD_HOOK = u8"Ajouter un hook";
@ -1336,4 +1343,4 @@ Ce fichier doit être encodé en Unicode (UTF-16 Little Endian).)";
 #endif // FRENCH
 };

-static auto _ = (localize(), 0);
+static auto _ = (Localize(), 0);
--- a/texthook/engine/match.cc
+++ b/texthook/engine/match.cc
@ -35,7 +35,7 @@ namespace Engine

 	void Hijack()
 	{
-		static auto _ = []
+		static auto _ = ([]
 		{
 			GetModuleFileNameW(nullptr, processPath, MAX_PATH);
 			processName = wcsrchr(processPath, L'\\') + 1;
@ -68,8 +68,7 @@ namespace Engine
 			ConsoleOutput("Textractor: hijacking process located from 0x%p to 0x%p", processStartAddress, processStopAddress);

 			DetermineEngineType();
-			return NULL;
-		}();
+		}(), 0);
 	}

 	bool ShouldMonoHook(const char* name)
--- a/texthook/texthook.cc
+++ b/texthook/texthook.cc
@ -30,7 +30,7 @@ namespace { // unnamed
 		0xff, 0xd3, // call ebx
 		0x9d, // popfd
 		0x61, // popad
-		0x9d,  // popfd
+		0x9d, // popfd
 		0x68, 0,0,0,0, // push @original
 		0xc3  // ret ; basically absolute jmp to @original
 	};
@ -86,7 +86,7 @@ namespace { // unnamed
 		0x5b, // pop rbx
 		0x58, // pop rax
 		0x9d, // pop rflags
-		0xff, 0x25, 0x00, 0x00, 0x00, 0x00, // jmp qword ptr [0] ; relative to next instruction (i.e. jmp @original)
+		0xff, 0x25, 0x00, 0x00, 0x00, 0x00, // jmp qword ptr [rip] ; relative to next instruction (i.e. jmp @original)
 		0,0,0,0,0,0,0,0 // @original
 	};
 	int this_offset = 50, send_offset = 60, original_offset = 126;