Add language selection menu.

bin/assets/i18n/en.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<resources language="en">
+<resources language="en" title="English">
 	<string name="about_ecode">About Ecode</string>
 	<string name="add_branch">Add Branch</string>
 	<string name="add_build">Add Build</string>
@@ -195,7 +195,8 @@ is hover a word that represents a color.</string>
 	<string name="error_copying_file">Error copying file.</string>
 	<string name="error_renaming_file">Error renaming file.</string>
 	<string name="escape_sequence_tooltip">Replace \, 	,
-, ␍ and (Unicode characters</string>
+,
+ and (Unicode characters</string>
 	<string name="exclusive_mode">Exclusive Mode</string>
 	<string name="execute_dir_in_terminal">Open directory in terminal</string>
 	<string name="execute_in_terminal">Execute in terminal</string>
@@ -387,6 +388,8 @@ Restart ecode to see the changes.</string>
 	<string name="new_terminal">New Terminal</string>
 	<string name="new_terminal_behavior">New Terminal Behavior</string>
 	<string name="new_terminal_name">New terminal name:</string>
+	<string name="new_ui_language">New language assigned.
+Please restart the application to see the complete changes.</string>
 	<string name="new_ui_scale_factor">New UI scale factor assigned.
 Please restart the application.</string>
 	<string name="new_value">New Value</string>
@@ -615,6 +618,7 @@ file in the directory tree.</string>
 	<string name="type">Type</string>
 	<string name="type_to_locate">Type to Locate</string>
 	<string name="ui_font_size">Ui Font Size</string>
+	<string name="ui_language">UI Language</string>
 	<string name="ui_multisamples_level">Multisample Anti-Aliasing Level</string>
 	<string name="ui_panel_font_size">Ui Panel Font Size</string>
 	<string name="ui_prefes_color_scheme">UI Prefers Color Scheme</string>

include/eepp/system/translator.hpp

@@ -61,10 +61,15 @@ class EE_API Translator {
 
 	StringLocaleDictionary& getDictionary() { return mDictionary; }
 
+	void setLanguageName( const std::string& id, const std::string& name );
+
+	std::unordered_map<std::string, std::string> getLanguageNames() const;
+
   protected:
 	std::string mDefaultLanguage;
 	std::string mCurrentLanguage;
 	StringLocaleDictionary mDictionary;
+	std::unordered_map<std::string, std::string> mLangNames;
 	bool mSetDefaultValues{ false };
 
 	bool loadNodes( pugi::xml_node node, std::string lang = "" );

src/eepp/system/translator.cpp

@@ -278,6 +278,11 @@ void Translator::saveToStream( IOStream& stream, std::string lang ) {
 		auto r = resources.append_child( "string" );
 		auto d = r.append_child( pugi::node_pcdata );
 		r.append_attribute( "name" ).set_value( str.first.c_str() );
+
+		auto langNameIt = mLangNames.find( lang );
+		if ( langNameIt != mLangNames.end() )
+			r.append_attribute( "title" ).set_name( langNameIt->second.c_str() );
+
 		d.set_value( str.second.toUtf8().c_str() );
 	}
 
@@ -285,4 +290,12 @@ void Translator::saveToStream( IOStream& stream, std::string lang ) {
 	doc.save( writer );
 }
 
+void Translator::setLanguageName( const std::string& id, const std::string& name ) {
+	mLangNames[id] = name;
+}
+
+std::unordered_map<std::string, std::string> Translator::getLanguageNames() const {
+	return mLangNames;
+}
+
 }} // namespace EE::System

src/tools/ecode/ecode.cpp

@@ -732,17 +732,6 @@ App::~App() {
 		mFileSystemListener = nullptr;
 	}
 	mDirTree.reset();
-
-#ifdef EE_DEBUG
-	if ( !mUISceneNode->getTranslator().isSetDefaultValues() )
-		return;
-	std::string langsPath( mConfigPath + "i18n" + FileSystem::getOSSlash() );
-	if ( !FileSystem::fileExists( langsPath ) && !FileSystem::makeDir( langsPath ) )
-		return;
-	std::string lang( mUISceneNode->getTranslator().getCurrentLanguage() );
-	IOStreamFile file( langsPath + lang + ".xml", "wb" );
-	mUISceneNode->getTranslator().saveToStream( file, lang );
-#endif
 }
 
 void App::updateRecentFiles() {
@@ -1838,6 +1827,10 @@ const std::string& App::getThemesPath() const {
 	return mThemesPath;
 }
 
+const std::string& App::geti18nPath() const {
+	return mi18nPath;
+}
+
 std::string App::getThemePath() const {
 	if ( mConfig.ui.theme.empty() || "default_theme" == mConfig.ui.theme )
 		return getDefaultThemePath();
@@ -3562,8 +3555,8 @@ void App::init( const LogLevel& logLevel, std::string file, const Float& pidelDe
 		if ( !language.empty() )
 			mUISceneNode->getTranslator().setCurrentLanguage( language );
 		std::string currentLanguage( mUISceneNode->getTranslator().getCurrentLanguage() );
-		std::string langPath( mResPath + "i18n" + FileSystem::getOSSlash() + currentLanguage +
+		mi18nPath = mResPath + "i18n" + FileSystem::getOSSlash();
-							  ".xml" );
+		std::string langPath( mi18nPath + currentLanguage + ".xml" );
 		if ( currentLanguage != "en" && FileSystem::fileExists( langPath ) )
 			mUISceneNode->getTranslator().loadFromFile( langPath );
 

src/tools/ecode/ecode.hpp

@@ -387,6 +387,8 @@ class App : public UICodeEditorSplitter::Client {
 
 	const std::string& getThemesPath() const;
 
+	const std::string& geti18nPath() const;
+
 	std::string getThemePath() const;
 
 	std::string getDefaultThemePath() const;
@@ -468,6 +470,7 @@ class App : public UICodeEditorSplitter::Client {
 	std::string mLanguagesPath;
 	std::string mThemesPath;
 	std::string mLogsPath;
+	std::string mi18nPath;
 	Float mDisplayDPI{ 96 };
 	std::shared_ptr<ThreadPool> mThreadPool;
 	std::shared_ptr<ProjectDirectoryTree> mDirTree;

src/tools/ecode/iconmanager.cpp

@@ -219,7 +219,8 @@ void IconManager::init( UISceneNode* sceneNode, FontTrueType* iconFont, FontTrue
 			{ "git-merge", 0xeafe },
 			{ "diff-single", 0xec22 },
 			{ "remove", 0xeb3b },
-			{ "tag", 0xea66 } };
+			{ "tag", 0xea66 },
+			{ "globe", 0xeb01 } };
 
 		for ( const auto& icon : codIcons )
 			iconTheme->add( UIGlyphIcon::New( icon.first, codIconFont, icon.second ) );

src/tools/ecode/plugins/git/git.cpp

@@ -460,7 +460,8 @@ std::vector<Git::Branch> Git::getAllBranchesAndTags( RefType ref, std::string_vi
 
 	if ( ( ref & RefType::Stash ) && EXIT_SUCCESS == git( "stash list", projectDir, buf ) ) {
 		branches.reserve( branches.size() + countLines( buf ) );
-		LuaPattern pattern( "(stash@{%d+}):%s(.*)" );
+		std::string ptrn( "(stash@{%d+}):%s(.*)" );
+		LuaPattern pattern( ptrn );
 		readAllLines( buf, [&]( const std::string_view& line ) {
 			LuaPattern::Range matches[3];
 			if ( pattern.matches( line.data(), 0, matches, line.size() ) ) {
@@ -484,7 +485,8 @@ std::vector<std::string> Git::fetchSubModules( const std::string& projectDir ) {
 	std::vector<std::string> submodules;
 	std::string buf;
 	FileSystem::fileGet( ( !projectDir.empty() ? projectDir : mProjectPath ) + ".gitmodules", buf );
-	LuaPattern pattern( "^%s*path%s*=%s*(.+)" );
+	std::string ptrn( "^%s*path%s*=%s*(.+)" );
+	LuaPattern pattern( ptrn );
 	readAllLines( buf, [&pattern, &submodules]( const std::string_view& line ) {
 		LuaPattern::Range matches[2];
 		if ( pattern.matches( line.data(), 0, matches, line.size() ) ) {
@@ -549,7 +551,8 @@ Git::Status Git::status( bool recurseSubmodules, const std::string& projectDir )
 	getSubModules( projectDir );
 	bool submodules = hasSubmodules( projectDir );
 
-	LuaPattern subModulePattern( "^Entering '(.*)'" );
+	std::string enteringPtrn( "^Entering '(.*)'" );
+	LuaPattern subModulePattern( enteringPtrn );
 
 	bool modifiedSubmodule = false;
 
@@ -567,7 +570,8 @@ Git::Status Git::status( bool recurseSubmodules, const std::string& projectDir )
 	auto parseStatus = [&s, &buf, &modifiedSubmodule, &projectDir, this, &subModulePattern,
 						submodules, &isSubmodule]() {
 		std::string subModulePath = "";
-		LuaPattern pattern( "^([mMARTUD?%s][mMARTUD?%s])%s(.*)" );
+		std::string ptrn = "^([mMARTUD?%s][mMARTUD?%s])%s(.*)";
+		LuaPattern pattern( ptrn );
 		size_t changesCount = countLines( buf );
 
 		if ( changesCount > 1000 )
@@ -602,7 +606,8 @@ Git::Status Git::status( bool recurseSubmodules, const std::string& projectDir )
 					status.type == GitStatusType::Staged && statusStr[1] != ' ';
 
 				if ( status.symbol == GitStatusChar::Renamed ) {
-					LuaPattern rpattern( ".*%s%-%>%s(.*)" );
+					std::string rptrn( ".*%s%-%>%s(.*)" );
+					LuaPattern rpattern( rptrn );
 					LuaPattern::Range rranges[2];
 					if ( rpattern.matches( file.data(), 0, rranges, file.size() ) )
 						file = file.substr( rranges[1].start, rranges[1].end - rranges[1].start );
@@ -645,7 +650,8 @@ Git::Status Git::status( bool recurseSubmodules, const std::string& projectDir )
 	}
 
 	auto parseNumStat = [&s, &buf, &projectDir, this, &subModulePattern]( bool isStaged ) {
-		LuaPattern pattern( "(%d+)%s+(%d+)%s+(.+)" );
+		std::string ptrn( "(%d+)%s+(%d+)%s+(.+)" );
+		LuaPattern pattern( ptrn );
 		std::string subModulePath = "";
 		readAllLines( buf, [&]( const std::string_view& line ) {
 			LuaPattern::Range matches[4];
@@ -662,7 +668,8 @@ Git::Status Git::status( bool recurseSubmodules, const std::string& projectDir )
 				int deletes;
 				if ( String::fromString( inserts, inserted ) &&
 					 String::fromString( deletes, deleted ) && ( inserts || deletes ) ) {
-					LuaPattern pattern( "(.*)%{.*%s->%s(.*)%}" );
+					std::string rptrn( "(.*)%{.*%s->%s(.*)%}" );
+					LuaPattern pattern( rptrn );
 					if ( pattern.matches( file.data(), 0, matches, file.size() ) ) {
 						file = file.substr( matches[1].start, matches[1].end - matches[1].start ) +
 							   file.substr( matches[2].start, matches[2].end - matches[2].start );

src/tools/ecode/settingsmenu.cpp

@@ -75,7 +75,7 @@ void SettingsMenu::createSettingsMenu( App* app ) {
 	mSettingsMenu->addSeparator();
 	UIMenuSubMenu* fileTypeMenu = mSettingsMenu->addSubMenu(
 		i18n( "file_type", "File Type" ), findIcon( "file-code" ), createFileTypeMenu() );
-	fileTypeMenu->addEventListener( Event::OnMenuShow, [&, fileTypeMenu]( const Event* ) {
+	fileTypeMenu->on( Event::OnMenuShow, [&, fileTypeMenu]( const Event* ) {
 		if ( mFileTypeMenuesCreatedWithHeight != mUISceneNode->getPixelsSize().getHeight() ) {
 			for ( UIPopUpMenu* menu : mFileTypeMenues )
 				menu->close();
@@ -88,7 +88,7 @@ void SettingsMenu::createSettingsMenu( App* app ) {
 	UIMenuSubMenu* colorSchemeMenu =
 		mSettingsMenu->addSubMenu( i18n( "syntax_color_scheme", "Syntax Color Scheme" ),
 								   findIcon( "palette" ), createColorSchemeMenu() );
-	colorSchemeMenu->addEventListener( Event::OnMenuShow, [&, colorSchemeMenu]( const Event* ) {
+	colorSchemeMenu->on( Event::OnMenuShow, [&, colorSchemeMenu]( const Event* ) {
 		if ( mColorSchemeMenuesCreatedWithHeight != mUISceneNode->getPixelsSize().getHeight() ) {
 			for ( UIPopUpMenu* menu : mColorSchemeMenues )
 				menu->close();
@@ -133,9 +133,8 @@ void SettingsMenu::createSettingsMenu( App* app ) {
 	mSettingsMenu->add( i18n( "quit", "Quit" ), findIcon( "quit" ), getKeybind( "close-app" ) )
 		->setId( "close-app" );
 	mSettingsButton = mUISceneNode->find<UITextView>( "settings" );
-	mSettingsButton->addEventListener( Event::MouseClick,
+	mSettingsButton->on( Event::MouseClick, [this]( const Event* ) { toggleSettingsMenu(); } );
-									   [this]( const Event* ) { toggleSettingsMenu(); } );
+	mSettingsMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
-	mSettingsMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
 		if ( !event->getNode()->isType( UI_TYPE_MENUITEM ) )
 			return;
 		const String& id = event->getNode()->asType<UIMenuItem>()->getId();
@@ -161,7 +160,7 @@ UIMenu* SettingsMenu::createFileTypeMenu() {
 	};
 
 	UIPopUpMenu* menu = UIPopUpMenu::New();
-	menu->addEventListener( Event::OnItemClicked, cb );
+	menu->on( Event::OnItemClicked, cb );
 	mFileTypeMenues.push_back( menu );
 	size_t total = 0;
 
@@ -182,7 +181,7 @@ UIMenu* SettingsMenu::createFileTypeMenu() {
 		if ( menu->getCount() == maxItems && names.size() - total > 1 ) {
 			UIPopUpMenu* newMenu = UIPopUpMenu::New();
 			menu->addSubMenu( i18n( "more_ellipsis", "More..." ), nullptr, newMenu );
-			newMenu->addEventListener( Event::OnItemClicked, cb );
+			newMenu->on( Event::OnItemClicked, cb );
 			mFileTypeMenues.push_back( newMenu );
 			menu = newMenu;
 		}
@@ -201,7 +200,7 @@ UIMenu* SettingsMenu::createColorSchemeMenu() {
 	};
 
 	UIPopUpMenu* menu = UIPopUpMenu::New();
-	menu->addEventListener( Event::OnItemClicked, cb );
+	menu->on( Event::OnItemClicked, cb );
 	mColorSchemeMenues.push_back( menu );
 	size_t total = 0;
 	const auto& colorSchemes = mSplitter->getColorSchemes();
@@ -222,7 +221,7 @@ UIMenu* SettingsMenu::createColorSchemeMenu() {
 		if ( menu->getCount() == maxItems && colorSchemes.size() - total > 1 ) {
 			UIPopUpMenu* newMenu = UIPopUpMenu::New();
 			menu->addSubMenu( i18n( "more_ellipsis", "More..." ), nullptr, newMenu );
-			newMenu->addEventListener( Event::OnItemClicked, cb );
+			newMenu->on( Event::OnItemClicked, cb );
 			mColorSchemeMenues.push_back( newMenu );
 			menu = newMenu;
 		}
@@ -251,7 +250,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 	tabTypeMenu->addRadioButton( i18n( "spaces", "Spaces" ) )->setId( "spaces" );
 	mDocMenu->addSubMenu( i18n( "indentation_type", "Indentation Type" ), nullptr, tabTypeMenu )
 		->setId( "indent_type_cur" );
-	tabTypeMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	tabTypeMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		const String& text = event->getNode()->asType<UIMenuRadioButton>()->getId();
 		if ( mSplitter->curEditorExistsAndFocused() ) {
 			TextDocument::IndentType indentType = text == "tabs"
@@ -271,7 +270,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 			->setData( w );
 	mDocMenu->addSubMenu( i18n( "indent_width", "Indent Width" ), nullptr, indentWidthMenu )
 		->setId( "indent_width_cur" );
-	indentWidthMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	indentWidthMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		if ( mSplitter->curEditorExistsAndFocused() ) {
 			int width = event->getNode()->getData();
 			mSplitter->getCurEditor()->getDocument().setIndentWidth( width );
@@ -288,7 +287,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 			->setData( w );
 	mDocMenu->addSubMenu( i18n( "tab_width", "Tab Width" ), nullptr, tabWidthMenu )
 		->setId( "tab_width_cur" );
-	tabWidthMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	tabWidthMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		if ( mSplitter->curEditorExistsAndFocused() ) {
 			int width = event->getNode()->getData();
 			mSplitter->getCurEditor()->setTabWidth( width );
@@ -310,7 +309,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 		->setId( "CR" );
 	mDocMenu->addSubMenu( i18n( "line_endings", "Line Endings" ), nullptr, lineEndingsMenu )
 		->setId( "line_endings_cur" );
-	lineEndingsMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	lineEndingsMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		auto le =
 			TextDocument::stringToLineEnding( event->getNode()->asType<UIRadioButton>()->getId() );
 		if ( mSplitter->curEditorExistsAndFocused() ) {
@@ -337,7 +336,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 					   mApp->getConfig().doc.writeUnicodeBOM )
 		->setId( "write_bom_cur" );
 
-	mDocMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	mDocMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		if ( !mSplitter->curEditorExistsAndFocused() ||
 			 event->getNode()->isType( UI_TYPE_MENU_SEPARATOR ) ||
 			 event->getNode()->isType( UI_TYPE_MENUSUBMENU ) )
@@ -384,7 +383,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 	globalMenu
 		->addSubMenu( i18n( "indentation_type", "Indentation Type" ), nullptr, tabTypeMenuGlobal )
 		->setId( "indent_type" );
-	tabTypeMenuGlobal->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	tabTypeMenuGlobal->on( Event::OnItemClicked, [this]( const Event* event ) {
 		const String& text = event->getNode()->asType<UIMenuRadioButton>()->getId();
 		mApp->getConfig().doc.indentSpaces = text != "tabs";
 	} );
@@ -397,7 +396,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 			->setData( w );
 	globalMenu->addSubMenu( i18n( "indent_width", "Indent Width" ), nullptr, indentWidthMenuGlobal )
 		->setId( "indent_width" );
-	indentWidthMenuGlobal->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	indentWidthMenuGlobal->on( Event::OnItemClicked, [this]( const Event* event ) {
 		int width = event->getNode()->getData();
 		mApp->getConfig().doc.indentWidth = width;
 	} );
@@ -410,7 +409,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 			->setData( w );
 	globalMenu->addSubMenu( i18n( "tab_width", "Tab Width" ), nullptr, tabWidthMenuGlobal )
 		->setId( "tab_width_cur" );
-	tabWidthMenuGlobal->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	tabWidthMenuGlobal->on( Event::OnItemClicked, [this]( const Event* event ) {
 		int width = event->getNode()->getData();
 		mApp->getConfig().doc.tabWidth = width;
 	} );
@@ -430,7 +429,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 		->setId( "CR" );
 	globalMenu->addSubMenu( i18n( "line_endings", "Line Endings" ), nullptr, lineEndingsGlobalMenu )
 		->setId( "line_endings" );
-	lineEndingsGlobalMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	lineEndingsGlobalMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		mApp->getConfig().doc.lineEndings =
 			TextDocument::stringToLineEnding( event->getNode()->asType<UIRadioButton>()->getId() );
 	} );
@@ -474,7 +473,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 					   mApp->getConfig().editor.autoCloseXMLTags )
 		->setOnShouldCloseCb( shouldCloseCb )
 		->setId( "XML" );
-	bracketsMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	bracketsMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		std::string id = event->getNode()->getId();
 		if ( event->getNode()->isType( UI_TYPE_MENUCHECKBOX ) ) {
 			UIMenuCheckBox* item = event->getNode()->asType<UIMenuCheckBox>();
@@ -527,7 +526,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 	globalMenu->add( i18n( "cursor_blinking_time", "Cursor Blinking Time" ) )
 		->setId( "cursor_blinking_time" );
 
-	globalMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	globalMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		if ( !mSplitter->curEditorExistsAndFocused() ||
 			 event->getNode()->isType( UI_TYPE_MENU_SEPARATOR ) ||
 			 event->getNode()->isType( UI_TYPE_MENUSUBMENU ) )
@@ -582,7 +581,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 		->addSubMenu( i18n( "indentation_type", "Indentation Type" ), nullptr, tabTypeMenuProject )
 		->setId( "indent_type" )
 		->setEnabled( !mApp->getProjectDocConfig().useGlobalSettings );
-	tabTypeMenuProject->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	tabTypeMenuProject->on( Event::OnItemClicked, [this]( const Event* event ) {
 		const String& text = event->getNode()->asType<UIMenuRadioButton>()->getId();
 		mApp->getProjectDocConfig().doc.indentSpaces = text != "tabs";
 	} );
@@ -598,7 +597,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 		->addSubMenu( i18n( "indent_width", "Indent Width" ), nullptr, indentWidthMenuProject )
 		->setId( "indent_width" )
 		->setEnabled( !mApp->getProjectDocConfig().useGlobalSettings );
-	indentWidthMenuProject->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	indentWidthMenuProject->on( Event::OnItemClicked, [this]( const Event* event ) {
 		int width = event->getNode()->getData();
 		mApp->getProjectDocConfig().doc.indentWidth = width;
 	} );
@@ -612,7 +611,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 	mProjectDocMenu->addSubMenu( i18n( "tab_width", "Tab Width" ), nullptr, tabWidthMenuProject )
 		->setId( "tab_width" )
 		->setEnabled( !mApp->getProjectDocConfig().useGlobalSettings );
-	tabWidthMenuProject->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	tabWidthMenuProject->on( Event::OnItemClicked, [this]( const Event* event ) {
 		int width = event->getNode()->getData();
 		mApp->getProjectDocConfig().doc.tabWidth = width;
 	} );
@@ -634,7 +633,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 		->addSubMenu( i18n( "line_endings", "Line Endings" ), nullptr, lineEndingsProjectMenu )
 		->setId( "line_endings" )
 		->setEnabled( !mApp->getProjectDocConfig().useGlobalSettings );
-	lineEndingsProjectMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	lineEndingsProjectMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		mApp->getProjectDocConfig().doc.lineEndings =
 			TextDocument::stringToLineEnding( event->getNode()->asType<UIRadioButton>()->getId() );
 	} );
@@ -662,7 +661,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 	mProjectDocMenu->add( i18n( "line_breaking_column", "Line Breaking Column" ) )
 		->setId( "line_breaking_column" );
 
-	mProjectDocMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	mProjectDocMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		if ( !mSplitter->curEditorExistsAndFocused() ||
 			 event->getNode()->isType( UI_TYPE_MENU_SEPARATOR ) ||
 			 event->getNode()->isType( UI_TYPE_MENUSUBMENU ) )
@@ -694,7 +693,7 @@ UIMenu* SettingsMenu::createDocumentMenu() {
 			msgBox->getTextInput()->setText(
 				String::toString( mApp->getProjectDocConfig().doc.lineBreakingColumn ) );
 			msgBox->showWhenReady();
-			msgBox->addEventListener( Event::OnConfirm, [&, msgBox]( const Event* ) {
+			msgBox->on( Event::OnConfirm, [&, msgBox]( const Event* ) {
 				int val;
 				if ( String::fromString( val, msgBox->getTextInput()->getText() ) && val >= 0 ) {
 					mApp->getProjectDocConfig().doc.lineBreakingColumn = val;
@@ -743,8 +742,7 @@ UIMenu* SettingsMenu::createTerminalMenu() {
 	UIMenuSubMenu* termColorSchemeMenu = mTerminalMenu->addSubMenu(
 		i18n( "terminal_color_scheme", "Terminal Color Scheme" ), findIcon( "palette" ),
 		mApp->getTerminalManager()->createColorSchemeMenu() );
-	termColorSchemeMenu->addEventListener(
+	termColorSchemeMenu->on( Event::OnMenuShow, [&, termColorSchemeMenu]( const Event* ) {
-		Event::OnMenuShow, [&, termColorSchemeMenu]( const Event* ) {
 		mApp->getTerminalManager()->updateMenuColorScheme( termColorSchemeMenu );
 	} );
 #endif
@@ -784,7 +782,7 @@ UIMenu* SettingsMenu::createTerminalMenu() {
 		mApp->getConfig().term.newTerminalOrientation = NewTerminalOrientation::fromString( id );
 	} );
 
-	mTerminalMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	mTerminalMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		const std::string& id( event->getNode()->getId() );
 		if ( mSplitter->getCurWidget() && mSplitter->getCurWidget()->isType( UI_TYPE_TERMINAL ) ) {
 			UITerminal* terminal = mSplitter->getCurWidget()->asType<UITerminal>();
@@ -839,12 +837,12 @@ UIMenu* SettingsMenu::createEditMenu() {
 	menu->add( i18n( "key_bindings", "Key Bindings" ), findIcon( "keybindings" ),
 			   getKeybind( "keybindings" ) )
 		->setId( "keybindings" );
-	menu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	menu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		if ( !event->getNode()->isType( UI_TYPE_MENUITEM ) )
 			return;
 		runCommand( event->getNode()->getId() );
 	} );
-	menu->addEventListener( Event::OnMenuShow, [this, menu, fileSep]( const Event* ) {
+	menu->on( Event::OnMenuShow, [this, menu, fileSep]( const Event* ) {
 		if ( !mSplitter->curEditorExistsAndFocused() ) {
 			menu->getItemId( "undo" )->setEnabled( false );
 			menu->getItemId( "redo" )->setEnabled( false );
@@ -882,13 +880,15 @@ UIMenu* SettingsMenu::createWindowMenu() {
 		->addRadioButton( i18n( "dark", "Dark" ),
 						  mApp->getUIColorScheme() == ColorSchemePreference::Dark )
 		->setId( "dark" );
-	colorsMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	colorsMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		if ( !event->getNode()->isType( UI_TYPE_MENUITEM ) )
 			return;
 		UIMenuItem* item = event->getNode()->asType<UIMenuItem>();
 		mApp->setUIColorScheme( item->getId() == "light" ? ColorSchemePreference::Light
 														 : ColorSchemePreference::Dark );
 	} );
+	mWindowMenu->addSubMenu( i18n( "ui_language", "UI Language" ), findIcon( "globe" ),
+							 createLanguagesMenu() );
 	mWindowMenu->addSubMenu( i18n( "ui_prefes_color_scheme", "UI Prefers Color Scheme" ),
 							 findIcon( "color-scheme" ), colorsMenu );
 	mWindowMenu->addSubMenu( i18n( "ui_thene", "UI Theme" ), findIcon( "palette" ),
@@ -999,7 +999,7 @@ UIMenu* SettingsMenu::createWindowMenu() {
 		->add( i18n( "inspect_widgets", "Inspect Widgets" ), findIcon( "package" ),
 			   getKeybind( "debug-widget-tree-view" ) )
 		->setId( "debug-widget-tree-view" );
-	mWindowMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	mWindowMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		if ( !event->getNode()->isType( UI_TYPE_MENUITEM ) )
 			return;
 		UIMenuItem* item = event->getNode()->asType<UIMenuItem>();
@@ -1027,7 +1027,7 @@ UIMenu* SettingsMenu::createRendererMenu() {
 	mRendererMenu->add( i18n( "frame_rate_limit", "Frame Rate Limit" ), findIcon( "fps" ) )
 		->setId( "frame_rate_limit" );
 
-	mRendererMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	mRendererMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		if ( !event->getNode()->isType( UI_TYPE_MENUITEM ) )
 			return;
 		UIMenuItem* item = event->getNode()->asType<UIMenuItem>();
@@ -1049,7 +1049,7 @@ UIMenu* SettingsMenu::createRendererMenu() {
 			msgBox->getTextInput()->setText(
 				String::toString( mApp->getConfig().context.FrameRateLimit ) );
 			msgBox->showWhenReady();
-			msgBox->addEventListener( Event::OnConfirm, [&, msgBox]( const Event* ) {
+			msgBox->on( Event::OnConfirm, [&, msgBox]( const Event* ) {
 				int val;
 				if ( String::fromString( val, msgBox->getTextInput()->getText() ) && val >= 0 ) {
 					mApp->getConfig().context.FrameRateLimit = val;
@@ -1071,7 +1071,7 @@ UIMenu* SettingsMenu::createRendererMenu() {
 			->addRadioButton( Renderer::graphicsLibraryVersionToString( ver ),
 							  GLi->version() == ver )
 			->setData( ver );
-	glVersion->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	glVersion->on( Event::OnItemClicked, [this]( const Event* event ) {
 		if ( !event->getNode()->isType( UI_TYPE_MENUITEM ) )
 			return;
 		UIMenuItem* item = event->getNode()->asType<UIMenuItem>();
@@ -1094,7 +1094,7 @@ UIMenu* SettingsMenu::createRendererMenu() {
 			->setData( val );
 	mRendererMenu->addSubMenu( i18n( "ui_multisamples_level", "Multisample Anti-Aliasing Level" ),
 							   findIcon( "multisamples" ), multisampleLvl );
-	multisampleLvl->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	multisampleLvl->on( Event::OnItemClicked, [this]( const Event* event ) {
 		if ( !event->getNode()->isType( UI_TYPE_MENUITEM ) )
 			return;
 		UIMenuItem* item = event->getNode()->asType<UIMenuItem>();
@@ -1180,7 +1180,7 @@ UIMenu* SettingsMenu::createViewMenu() {
 				  "directory tree." ) )
 		->setId( "sync-project-tree" );
 
-	mViewMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	mViewMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		if ( !event->getNode()->isType( UI_TYPE_MENUITEM ) )
 			return;
 		UIMenuItem* item = event->getNode()->asType<UIMenuItem>();
@@ -1333,7 +1333,7 @@ UIPopUpMenu* SettingsMenu::createToolsMenu() {
 		->add( i18n( "load_cur_dir_as_folder", "Load current document directory as folder" ),
 			   findIcon( "folder" ), getKeybind( "load-current-dir" ) )
 		->setId( "load-current-dir" );
-	mToolsMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	mToolsMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		if ( !event->getNode()->isType( UI_TYPE_MENUITEM ) )
 			return;
 		runCommand( event->getNode()->getId() );
@@ -1349,9 +1349,8 @@ UIMenu* SettingsMenu::createHelpMenu() {
 		->setId( "check-for-updates" );
 	helpMenu->add( i18n( "about_ecode", "About ecode..." ), findIcon( "ecode" ) )
 		->setId( "about-ecode" );
-	helpMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	helpMenu->on( Event::OnItemClicked,
-		runCommand( event->getNode()->getId() );
+				  [this]( const Event* event ) { runCommand( event->getNode()->getId() ); } );
-	} );
 	return helpMenu;
 }
 
@@ -1373,7 +1372,7 @@ UIMenu* SettingsMenu::createThemesMenu() {
 		menu->addRadioButton( name, curTheme == name )->setId( name );
 	}
 
-	menu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	menu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		auto id = event->getNode()->getId();
 		mApp->getConfig().ui.theme = "default_theme" != id ? id : "";
 		std::string path( mApp->getConfig().ui.theme.empty()
@@ -1385,6 +1384,58 @@ UIMenu* SettingsMenu::createThemesMenu() {
 	return menu;
 }
 
+UIMenu* SettingsMenu::createLanguagesMenu() {
+	UIPopUpMenu* menu = UIPopUpMenu::New();
+
+	std::string curLang = mApp->getConfig().ui.language;
+	if ( curLang.empty() )
+		curLang = "en";
+
+	mApp->getThreadPool()->run( [this, menu, curLang] {
+		auto files =
+			FileSystem::filesInfoGetInPath( mApp->geti18nPath(), false, true, false, true );
+
+		std::map<std::string, std::string> languages;
+		for ( const auto& file : files ) {
+			if ( file.getExtension() != "xml" )
+				continue;
+			auto name( FileSystem::fileRemoveExtension( file.getFileName() ) );
+			std::string data;
+			FileSystem::fileGet( file.getFilepath(), data );
+			std::string lptrn( "title=\"(.-)\"" );
+			LuaPattern pattern( lptrn );
+			LuaPattern::Range matches[2];
+			if ( pattern.matches( data, matches ) ) {
+				std::string title(
+					data.substr( matches[1].start, matches[1].end - matches[1].start ) );
+				languages[title] = name;
+			} else {
+				languages[name] = name;
+			}
+		}
+		if ( languages.empty() )
+			return;
+
+		menu->runOnMainThread( [this, menu, curLang, languages] {
+			for ( const auto& lang : languages )
+				menu->addRadioButton( lang.first, curLang == lang.second )->setId( lang.second );
+
+			menu->on( Event::OnItemClicked, [this]( const Event* event ) {
+				auto id = event->getNode()->getId();
+				mApp->getConfig().ui.language = id;
+				UIMessageBox* msg = UIMessageBox::New(
+					UIMessageBox::OK,
+					i18n( "new_ui_language", "New language assigned.\nPlease restart the "
+											 "application to see the complete changes." ) );
+				msg->showWhenReady();
+				mApp->setFocusEditorOnClose( msg );
+			} );
+		} );
+	} );
+
+	return menu;
+}
+
 void SettingsMenu::toggleSettingsMenu() {
 	if ( ( !mSettingsMenu->isVisible() || mSettingsMenu->isHiding() ) &&
 		 mSettingsMenu->getInactiveTime().getElapsedTime().asMilliseconds() > 1 ) {
@@ -1599,7 +1650,7 @@ void SettingsMenu::createProjectTreeMenu() {
 			->setId( "open-folder" );
 	}
 
-	mProjectTreeMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	mProjectTreeMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		if ( !event->getNode()->isType( UI_TYPE_MENUITEM ) )
 			return;
 		UIMenuItem* item = event->getNode()->asType<UIMenuItem>();
@@ -1723,7 +1774,7 @@ void SettingsMenu::createProjectTreeMenu( const FileInfo& file ) {
 			->setId( "configure-ignore-files" );
 	}
 
-	mProjectTreeMenu->addEventListener( Event::OnItemClicked, [&, file]( const Event* event ) {
+	mProjectTreeMenu->on( Event::OnItemClicked, [&, file]( const Event* event ) {
 		if ( !event->getNode()->isType( UI_TYPE_MENUITEM ) )
 			return;
 		UIMenuItem* item = event->getNode()->asType<UIMenuItem>();
@@ -1743,7 +1794,7 @@ void SettingsMenu::createProjectTreeMenu( const FileInfo& file ) {
 								i18n( "duplicate_file", "Duplicate file" ).toUtf8().c_str(),
 								file.getFileName().c_str() ),
 				i18n( "enter_duplicate_file_name", "Enter duplicate file name:" ) );
-			msgBox->addEventListener( Event::OnConfirm, [&, file, msgBox]( const Event* ) {
+			msgBox->on( Event::OnConfirm, [&, file, msgBox]( const Event* ) {
 				auto newFilePath( mApp->getNewFilePath( file, msgBox ) );
 				if ( !FileSystem::fileExists( newFilePath ) ) {
 					if ( !FileSystem::fileCopy( file.getFilepath(), newFilePath ) )
@@ -1832,7 +1883,7 @@ void SettingsMenu::deleteFileDialog( const FileInfo& file ) {
 		String::format(
 			i18n( "confirm_remove_file", "Do you really want to remove \"%s\"?" ).toUtf8().c_str(),
 			file.getFileName().c_str() ) );
-	msgBox->addEventListener( Event::OnConfirm, [&, file, msgBox]( const Event* ) {
+	msgBox->on( Event::OnConfirm, [&, file, msgBox]( const Event* ) {
 		auto errFn = [&, file] {
 			mApp->errorMsgBox( String::format(
 				std::string( i18n( "couldnt_remove", "Couldn't remove" ).toUtf8() + "%s." ).c_str(),
@@ -1869,7 +1920,7 @@ void SettingsMenu::createProjectMenu() {
 					   mApp->getProjectDocConfig().hAsCPP )
 		->setId( "h_as_cpp" );
 
-	mProjectMenu->addEventListener( Event::OnItemClicked, [this]( const Event* event ) {
+	mProjectMenu->on( Event::OnItemClicked, [this]( const Event* event ) {
 		if ( event->getNode()->isType( UI_TYPE_MENU_SEPARATOR ) ||
 			 event->getNode()->isType( UI_TYPE_MENUSUBMENU ) )
 			return;

src/tools/ecode/settingsmenu.hpp

@@ -40,6 +40,8 @@ class SettingsMenu {
 
 	UIMenu* createThemesMenu();
 
+	UIMenu* createLanguagesMenu();
+
 	void updateTerminalMenu();
 
 	void updateProjectSettingsMenu();