Merge pull request #39502 from bruvzg/kbd_layouts_3

[3.2] Add keyboard layout enumeration / set / get functions.

core/bind/core_bind.cpp

@@ -569,6 +569,26 @@ String _OS::get_latin_keyboard_variant() const {
 	}
 }
 
+int _OS::keyboard_get_layout_count() const {
+	return OS::get_singleton()->keyboard_get_layout_count();
+}
+
+int _OS::keyboard_get_current_layout() const {
+	return OS::get_singleton()->keyboard_get_current_layout();
+}
+
+void _OS::keyboard_set_current_layout(int p_index) {
+	OS::get_singleton()->keyboard_set_current_layout(p_index);
+}
+
+String _OS::keyboard_get_layout_language(int p_index) const {
+	return OS::get_singleton()->keyboard_get_layout_language(p_index);
+}
+
+String _OS::keyboard_get_layout_name(int p_index) const {
+	return OS::get_singleton()->keyboard_get_layout_name(p_index);
+}
+
 String _OS::get_model_name() const {
 
 	return OS::get_singleton()->get_model_name();
@@ -1323,6 +1343,12 @@ void _OS::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_latin_keyboard_variant"), &_OS::get_latin_keyboard_variant);
 	ClassDB::bind_method(D_METHOD("get_model_name"), &_OS::get_model_name);
 
+	ClassDB::bind_method(D_METHOD("keyboard_get_layout_count"), &_OS::keyboard_get_layout_count);
+	ClassDB::bind_method(D_METHOD("keyboard_get_current_layout"), &_OS::keyboard_get_current_layout);
+	ClassDB::bind_method(D_METHOD("keyboard_set_current_layout", "index"), &_OS::keyboard_set_current_layout);
+	ClassDB::bind_method(D_METHOD("keyboard_get_layout_language", "index"), &_OS::keyboard_get_layout_language);
+	ClassDB::bind_method(D_METHOD("keyboard_get_layout_name", "index"), &_OS::keyboard_get_layout_name);
+
 	ClassDB::bind_method(D_METHOD("can_draw"), &_OS::can_draw);
 	ClassDB::bind_method(D_METHOD("is_userfs_persistent"), &_OS::is_userfs_persistent);
 	ClassDB::bind_method(D_METHOD("is_stdout_verbose"), &_OS::is_stdout_verbose);

core/bind/core_bind.h

@@ -242,6 +242,11 @@ public:
 
 	String get_locale() const;
 	String get_latin_keyboard_variant() const;
+	int keyboard_get_layout_count() const;
+	int keyboard_get_current_layout() const;
+	void keyboard_set_current_layout(int p_index);
+	String keyboard_get_layout_language(int p_index) const;
+	String keyboard_get_layout_name(int p_index) const;
 
 	String get_model_name() const;
 

core/os/os.cpp

@@ -551,6 +551,24 @@ OS::LatinKeyboardVariant OS::get_latin_keyboard_variant() const {
 	return LATIN_KEYBOARD_QWERTY;
 }
 
+int OS::keyboard_get_layout_count() const {
+	return 0;
+}
+
+int OS::keyboard_get_current_layout() const {
+	return -1;
+}
+
+void OS::keyboard_set_current_layout(int p_index) {}
+
+String OS::keyboard_get_layout_language(int p_index) const {
+	return "";
+}
+
+String OS::keyboard_get_layout_name(int p_index) const {
+	return "";
+}
+
 bool OS::is_joy_known(int p_device) {
 	return true;
 }

core/os/os.h

@@ -493,6 +493,12 @@ public:
 
 	virtual LatinKeyboardVariant get_latin_keyboard_variant() const;
 
+	virtual int keyboard_get_layout_count() const;
+	virtual int keyboard_get_current_layout() const;
+	virtual void keyboard_set_current_layout(int p_index);
+	virtual String keyboard_get_layout_language(int p_index) const;
+	virtual String keyboard_get_layout_name(int p_index) const;
+
 	virtual bool is_joy_known(int p_device);
 	virtual String get_joy_guid(int p_device) const;
 

doc/classes/OS.xml

@@ -682,6 +682,52 @@
 				[b]Note:[/b] Only implemented on desktop platforms. On other platforms, it will always return [code]true[/code].
 			</description>
 		</method>
+		<method name="keyboard_get_current_layout" qualifiers="const">
+			<return type="int">
+			</return>
+			<description>
+				Returns active keyboard layout index.
+				[b]Note:[/b] This method is implemented on Linux, macOS and Windows.
+			</description>
+		</method>
+		<method name="keyboard_get_layout_count" qualifiers="const">
+			<return type="int">
+			</return>
+			<description>
+				Returns the number of keyboard layouts.
+				[b]Note:[/b] This method is implemented on Linux, macOS and Windows.
+			</description>
+		</method>
+		<method name="keyboard_get_layout_language" qualifiers="const">
+			<return type="String">
+			</return>
+			<argument index="0" name="index" type="int">
+			</argument>
+			<description>
+				Returns the ISO-639/BCP-47 language code of the keyboard layout at position [code]index[/code].
+				[b]Note:[/b] This method is implemented on Linux, macOS and Windows.
+			</description>
+		</method>
+		<method name="keyboard_get_layout_name" qualifiers="const">
+			<return type="String">
+			</return>
+			<argument index="0" name="index" type="int">
+			</argument>
+			<description>
+				Returns the localized name of the keyboard layout at position [code]index[/code].
+				[b]Note:[/b] This method is implemented on Linux, macOS and Windows.
+			</description>
+		</method>
+		<method name="keyboard_set_current_layout">
+			<return type="void">
+			</return>
+			<argument index="0" name="index" type="int">
+			</argument>
+			<description>
+				Sets active keyboard layout.
+				[b]Note:[/b] This method is implemented on Linux, macOS and Windows.
+			</description>
+		</method>
 		<method name="kill">
 			<return type="int" enum="Error">
 			</return>

platform/osx/os_osx.h

@@ -248,6 +248,11 @@ public:
 	virtual String get_executable_path() const;
 
 	virtual LatinKeyboardVariant get_latin_keyboard_variant() const;
+	virtual int keyboard_get_layout_count() const;
+	virtual int keyboard_get_current_layout() const;
+	virtual void keyboard_set_current_layout(int p_index);
+	virtual String keyboard_get_layout_language(int p_index) const;
+	virtual String keyboard_get_layout_name(int p_index) const;
 
 	virtual void move_window_to_foreground();
 

platform/osx/os_osx.mm

@@ -1437,8 +1437,18 @@ void OS_OSX::initialize_core() {
 	SemaphoreOSX::make_default();
 }
 
+struct LayoutInfo {
+	String name;
+	String code;
+};
+
+static Vector<LayoutInfo> kbd_layouts;
+static int current_layout = 0;
 static bool keyboard_layout_dirty = true;
+static OS::LatinKeyboardVariant latin_variant = OS::LATIN_KEYBOARD_QWERTY;
 static void keyboard_layout_changed(CFNotificationCenterRef center, void *observer, CFStringRef name, const void *object, CFDictionaryRef user_info) {
+	kbd_layouts.clear();
+	current_layout = 0;
 	keyboard_layout_dirty = true;
 }
 
@@ -2787,38 +2797,146 @@ static NSString *createStringForKeys(const CGKeyCode *keyCode, int length) {
 	return (NSString *)output;
 }
 
+void _update_keyboard_layouts() {
+	@autoreleasepool {
+		TISInputSourceRef cur_source = TISCopyCurrentKeyboardInputSource();
+		NSString *cur_name = (NSString *)TISGetInputSourceProperty(cur_source, kTISPropertyLocalizedName);
+		CFRelease(cur_source);
+
+		// Enum IME layouts
+		NSDictionary *filter_ime = @{ (NSString *)kTISPropertyInputSourceType : (NSString *)kTISTypeKeyboardInputMode };
+		NSArray *list_ime = (NSArray *)TISCreateInputSourceList((CFDictionaryRef)filter_ime, false);
+		for (NSUInteger i = 0; i < [list_ime count]; i++) {
+			LayoutInfo ly;
+			NSString *name = (NSString *)TISGetInputSourceProperty((TISInputSourceRef)[list_ime objectAtIndex:i], kTISPropertyLocalizedName);
+			ly.name.parse_utf8([name UTF8String]);
+
+			NSArray *langs = (NSArray *)TISGetInputSourceProperty((TISInputSourceRef)[list_ime objectAtIndex:i], kTISPropertyInputSourceLanguages);
+			ly.code.parse_utf8([(NSString *)[langs objectAtIndex:0] UTF8String]);
+			kbd_layouts.push_back(ly);
+
+			if ([name isEqualToString:cur_name]) {
+				current_layout = kbd_layouts.size() - 1;
+			}
+		}
+		[list_ime release];
+
+		// Enum plain keyboard layouts
+		NSDictionary *filter_kbd = @{ (NSString *)kTISPropertyInputSourceType : (NSString *)kTISTypeKeyboardLayout };
+		NSArray *list_kbd = (NSArray *)TISCreateInputSourceList((CFDictionaryRef)filter_kbd, false);
+		for (NSUInteger i = 0; i < [list_kbd count]; i++) {
+			LayoutInfo ly;
+			NSString *name = (NSString *)TISGetInputSourceProperty((TISInputSourceRef)[list_kbd objectAtIndex:i], kTISPropertyLocalizedName);
+			ly.name.parse_utf8([name UTF8String]);
+
+			NSArray *langs = (NSArray *)TISGetInputSourceProperty((TISInputSourceRef)[list_kbd objectAtIndex:i], kTISPropertyInputSourceLanguages);
+			ly.code.parse_utf8([(NSString *)[langs objectAtIndex:0] UTF8String]);
+			kbd_layouts.push_back(ly);
+
+			if ([name isEqualToString:cur_name]) {
+				current_layout = kbd_layouts.size() - 1;
+			}
+		}
+		[list_kbd release];
+	}
+
+	// Update latin variant
+	latin_variant = OS::LATIN_KEYBOARD_QWERTY;
+
+	CGKeyCode keys[] = { kVK_ANSI_Q, kVK_ANSI_W, kVK_ANSI_E, kVK_ANSI_R, kVK_ANSI_T, kVK_ANSI_Y };
+	NSString *test = createStringForKeys(keys, 6);
+
+	if ([test isEqualToString:@"qwertz"]) {
+		latin_variant = OS::LATIN_KEYBOARD_QWERTZ;
+	} else if ([test isEqualToString:@"azerty"]) {
+		latin_variant = OS::LATIN_KEYBOARD_AZERTY;
+	} else if ([test isEqualToString:@"qzerty"]) {
+		latin_variant = OS::LATIN_KEYBOARD_QZERTY;
+	} else if ([test isEqualToString:@"',.pyf"]) {
+		latin_variant = OS::LATIN_KEYBOARD_DVORAK;
+	} else if ([test isEqualToString:@"xvlcwk"]) {
+		latin_variant = OS::LATIN_KEYBOARD_NEO;
+	} else if ([test isEqualToString:@"qwfpgj"]) {
+		latin_variant = OS::LATIN_KEYBOARD_COLEMAK;
+	}
+
+	[test release];
+
+	keyboard_layout_dirty = false;
+}
+
 OS::LatinKeyboardVariant OS_OSX::get_latin_keyboard_variant() const {
 
-	static LatinKeyboardVariant layout = LATIN_KEYBOARD_QWERTY;
+	if (keyboard_layout_dirty) {
+		_update_keyboard_layouts();
+	}
+
+	return latin_variant;
+}
+
+int OS_OSX::keyboard_get_layout_count() const {
+	if (keyboard_layout_dirty) {
+		_update_keyboard_layouts();
+	}
+	return kbd_layouts.size();
+}
 
+void OS_OSX::keyboard_set_current_layout(int p_index) {
 	if (keyboard_layout_dirty) {
+		_update_keyboard_layouts();
+	}
+
+	ERR_FAIL_INDEX(p_index, kbd_layouts.size());
+
+	NSString *cur_name = [NSString stringWithUTF8String:kbd_layouts[p_index].name.utf8().get_data()];
 
-		layout = LATIN_KEYBOARD_QWERTY;
-
-		CGKeyCode keys[] = { kVK_ANSI_Q, kVK_ANSI_W, kVK_ANSI_E, kVK_ANSI_R, kVK_ANSI_T, kVK_ANSI_Y };
-		NSString *test = createStringForKeys(keys, 6);
-
-		if ([test isEqualToString:@"qwertz"]) {
-			layout = LATIN_KEYBOARD_QWERTZ;
-		} else if ([test isEqualToString:@"azerty"]) {
-			layout = LATIN_KEYBOARD_AZERTY;
-		} else if ([test isEqualToString:@"qzerty"]) {
-			layout = LATIN_KEYBOARD_QZERTY;
-		} else if ([test isEqualToString:@"',.pyf"]) {
-			layout = LATIN_KEYBOARD_DVORAK;
-		} else if ([test isEqualToString:@"xvlcwk"]) {
-			layout = LATIN_KEYBOARD_NEO;
-		} else if ([test isEqualToString:@"qwfpgj"]) {
-			layout = LATIN_KEYBOARD_COLEMAK;
+	NSDictionary *filter_kbd = @{ (NSString *)kTISPropertyInputSourceType : (NSString *)kTISTypeKeyboardLayout };
+	NSArray *list_kbd = (NSArray *)TISCreateInputSourceList((CFDictionaryRef)filter_kbd, false);
+	for (NSUInteger i = 0; i < [list_kbd count]; i++) {
+		NSString *name = (NSString *)TISGetInputSourceProperty((TISInputSourceRef)[list_kbd objectAtIndex:i], kTISPropertyLocalizedName);
+		if ([name isEqualToString:cur_name]) {
+			TISSelectInputSource((TISInputSourceRef)[list_kbd objectAtIndex:i]);
+			break;
 		}
+	}
+	[list_kbd release];
 
-		[test release];
+	NSDictionary *filter_ime = @{ (NSString *)kTISPropertyInputSourceType : (NSString *)kTISTypeKeyboardInputMode };
+	NSArray *list_ime = (NSArray *)TISCreateInputSourceList((CFDictionaryRef)filter_ime, false);
+	for (NSUInteger i = 0; i < [list_ime count]; i++) {
+		NSString *name = (NSString *)TISGetInputSourceProperty((TISInputSourceRef)[list_ime objectAtIndex:i], kTISPropertyLocalizedName);
+		if ([name isEqualToString:cur_name]) {
+			TISSelectInputSource((TISInputSourceRef)[list_ime objectAtIndex:i]);
+			break;
+		}
+	}
+	[list_ime release];
+}
 
-		keyboard_layout_dirty = false;
-		return layout;
+int OS_OSX::keyboard_get_current_layout() const {
+	if (keyboard_layout_dirty) {
+		_update_keyboard_layouts();
+	}
+
+	return current_layout;
+}
+
+String OS_OSX::keyboard_get_layout_language(int p_index) const {
+	if (keyboard_layout_dirty) {
+		_update_keyboard_layouts();
+	}
+
+	ERR_FAIL_INDEX_V(p_index, kbd_layouts.size(), "");
+	return kbd_layouts[p_index].code;
+}
+
+String OS_OSX::keyboard_get_layout_name(int p_index) const {
+	if (keyboard_layout_dirty) {
+		_update_keyboard_layouts();
 	}
 
-	return layout;
+	ERR_FAIL_INDEX_V(p_index, kbd_layouts.size(), "");
+	return kbd_layouts[p_index].name;
 }
 
 void OS_OSX::process_events() {

platform/windows/os_windows.cpp

@@ -3258,6 +3258,101 @@ OS::LatinKeyboardVariant OS_Windows::get_latin_keyboard_variant() const {
 	return LATIN_KEYBOARD_QWERTY;
 }
 
+int OS_Windows::keyboard_get_layout_count() const {
+	return GetKeyboardLayoutList(0, NULL);
+}
+
+int OS_Windows::keyboard_get_current_layout() const {
+	HKL cur_layout = GetKeyboardLayout(0);
+
+	int layout_count = GetKeyboardLayoutList(0, NULL);
+	HKL *layouts = (HKL *)memalloc(layout_count * sizeof(HKL));
+	GetKeyboardLayoutList(layout_count, layouts);
+
+	for (int i = 0; i < layout_count; i++) {
+		if (cur_layout == layouts[i]) {
+			memfree(layouts);
+			return i;
+		}
+	}
+	memfree(layouts);
+	return -1;
+}
+
+void OS_Windows::keyboard_set_current_layout(int p_index) {
+	int layout_count = GetKeyboardLayoutList(0, NULL);
+
+	ERR_FAIL_INDEX(p_index, layout_count);
+
+	HKL *layouts = (HKL *)memalloc(layout_count * sizeof(HKL));
+	GetKeyboardLayoutList(layout_count, layouts);
+	ActivateKeyboardLayout(layouts[p_index], KLF_SETFORPROCESS);
+	memfree(layouts);
+}
+
+String OS_Windows::keyboard_get_layout_language(int p_index) const {
+	int layout_count = GetKeyboardLayoutList(0, NULL);
+
+	ERR_FAIL_INDEX_V(p_index, layout_count, "");
+
+	HKL *layouts = (HKL *)memalloc(layout_count * sizeof(HKL));
+	GetKeyboardLayoutList(layout_count, layouts);
+
+	wchar_t buf[LOCALE_NAME_MAX_LENGTH];
+	memset(buf, 0, LOCALE_NAME_MAX_LENGTH * sizeof(wchar_t));
+	LCIDToLocaleName(MAKELCID(LOWORD(layouts[p_index]), SORT_DEFAULT), buf, LOCALE_NAME_MAX_LENGTH, 0);
+
+	memfree(layouts);
+
+	return String(buf).substr(0, 2);
+}
+
+String _get_full_layout_name_from_registry(HKL p_layout) {
+	String id = "SYSTEM\\CurrentControlSet\\Control\\Keyboard Layouts\\" + String::num_int64((int64_t)p_layout, 16, false).lpad(8, "0");
+	String ret;
+
+	HKEY hkey;
+	wchar_t layout_text[1024];
+	memset(layout_text, 0, 1024 * sizeof(wchar_t));
+
+	if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, (LPCWSTR)id.c_str(), 0, KEY_QUERY_VALUE, &hkey) != ERROR_SUCCESS) {
+		return ret;
+	}
+
+	DWORD buffer = 1024;
+	DWORD vtype = REG_SZ;
+	if (RegQueryValueExW(hkey, L"Layout Text", NULL, &vtype, (LPBYTE)layout_text, &buffer) == ERROR_SUCCESS) {
+		ret = String(layout_text);
+	}
+	RegCloseKey(hkey);
+	return ret;
+}
+
+String OS_Windows::keyboard_get_layout_name(int p_index) const {
+	int layout_count = GetKeyboardLayoutList(0, NULL);
+
+	ERR_FAIL_INDEX_V(p_index, layout_count, "");
+
+	HKL *layouts = (HKL *)memalloc(layout_count * sizeof(HKL));
+	GetKeyboardLayoutList(layout_count, layouts);
+
+	String ret = _get_full_layout_name_from_registry(layouts[p_index]); // Try reading full name from Windows registry, fallback to locale name if failed (e.g. on Wine).
+	if (ret == String()) {
+		wchar_t buf[LOCALE_NAME_MAX_LENGTH];
+		memset(buf, 0, LOCALE_NAME_MAX_LENGTH * sizeof(wchar_t));
+		LCIDToLocaleName(MAKELCID(LOWORD(layouts[p_index]), SORT_DEFAULT), buf, LOCALE_NAME_MAX_LENGTH, 0);
+
+		wchar_t name[1024];
+		memset(name, 0, 1024 * sizeof(wchar_t));
+		GetLocaleInfoEx(buf, LOCALE_SLOCALIZEDDISPLAYNAME, (LPWSTR)&name, 1024);
+
+		ret = String(name);
+	}
+	memfree(layouts);
+
+	return ret;
+}
+
 void OS_Windows::release_rendering_thread() {
 
 	gl_context->release_current();

platform/windows/os_windows.h

@@ -516,6 +516,11 @@ public:
 	virtual int get_processor_count() const;
 
 	virtual LatinKeyboardVariant get_latin_keyboard_variant() const;
+	virtual int keyboard_get_layout_count() const;
+	virtual int keyboard_get_current_layout() const;
+	virtual void keyboard_set_current_layout(int p_index);
+	virtual String keyboard_get_layout_language(int p_index) const;
+	virtual String keyboard_get_layout_name(int p_index) const;
 
 	virtual void enable_for_stealing_focus(ProcessID pid);
 	virtual void move_window_to_foreground();

platform/x11/os_x11.cpp

@@ -3474,6 +3474,108 @@ OS::LatinKeyboardVariant OS_X11::get_latin_keyboard_variant() const {
 	return LATIN_KEYBOARD_QWERTY;
 }
 
+int OS_X11::keyboard_get_layout_count() const {
+	int _group_count = 0;
+	XkbDescRec *kbd = XkbAllocKeyboard();
+	if (kbd) {
+		kbd->dpy = x11_display;
+		XkbGetControls(x11_display, XkbAllControlsMask, kbd);
+		XkbGetNames(x11_display, XkbSymbolsNameMask, kbd);
+
+		const Atom *groups = kbd->names->groups;
+		if (kbd->ctrls != NULL) {
+			_group_count = kbd->ctrls->num_groups;
+		} else {
+			while (_group_count < XkbNumKbdGroups && groups[_group_count] != None) {
+				_group_count++;
+			}
+		}
+		XkbFreeKeyboard(kbd, 0, true);
+	}
+	return _group_count;
+}
+
+int OS_X11::keyboard_get_current_layout() const {
+	XkbStateRec state;
+	XkbGetState(x11_display, XkbUseCoreKbd, &state);
+	return state.group;
+}
+
+void OS_X11::keyboard_set_current_layout(int p_index) {
+	ERR_FAIL_INDEX(p_index, keyboard_get_layout_count());
+	XkbLockGroup(x11_display, XkbUseCoreKbd, p_index);
+}
+
+String OS_X11::keyboard_get_layout_language(int p_index) const {
+	String ret;
+	XkbDescRec *kbd = XkbAllocKeyboard();
+	if (kbd) {
+		kbd->dpy = x11_display;
+		XkbGetControls(x11_display, XkbAllControlsMask, kbd);
+		XkbGetNames(x11_display, XkbSymbolsNameMask, kbd);
+		XkbGetNames(x11_display, XkbGroupNamesMask, kbd);
+
+		int _group_count = 0;
+		const Atom *groups = kbd->names->groups;
+		if (kbd->ctrls != NULL) {
+			_group_count = kbd->ctrls->num_groups;
+		} else {
+			while (_group_count < XkbNumKbdGroups && groups[_group_count] != None) {
+				_group_count++;
+			}
+		}
+
+		Atom names = kbd->names->symbols;
+		if (names != None) {
+			char *name = XGetAtomName(x11_display, names);
+			Vector<String> info = String(name).split("+");
+			if (p_index >= 0 && p_index < _group_count) {
+				if (p_index + 1 < info.size()) {
+					ret = info[p_index + 1]; // Skip "pc" at the start and "inet"/"group" at the end of symbols.
+				} else {
+					ret = "en"; // No symbol for layout fallback to "en".
+				}
+			} else {
+				ERR_PRINT("Index " + itos(p_index) + "is out of bounds (" + itos(_group_count) + ").");
+			}
+			XFree(name);
+		}
+		XkbFreeKeyboard(kbd, 0, true);
+	}
+	return ret.substr(0, 2);
+}
+
+String OS_X11::keyboard_get_layout_name(int p_index) const {
+	String ret;
+	XkbDescRec *kbd = XkbAllocKeyboard();
+	if (kbd) {
+		kbd->dpy = x11_display;
+		XkbGetControls(x11_display, XkbAllControlsMask, kbd);
+		XkbGetNames(x11_display, XkbSymbolsNameMask, kbd);
+		XkbGetNames(x11_display, XkbGroupNamesMask, kbd);
+
+		int _group_count = 0;
+		const Atom *groups = kbd->names->groups;
+		if (kbd->ctrls != NULL) {
+			_group_count = kbd->ctrls->num_groups;
+		} else {
+			while (_group_count < XkbNumKbdGroups && groups[_group_count] != None) {
+				_group_count++;
+			}
+		}
+
+		if (p_index >= 0 && p_index < _group_count) {
+			char *full_name = XGetAtomName(x11_display, groups[p_index]);
+			ret.parse_utf8(full_name);
+			XFree(full_name);
+		} else {
+			ERR_PRINT("Index " + itos(p_index) + "is out of bounds (" + itos(_group_count) + ").");
+		}
+		XkbFreeKeyboard(kbd, 0, true);
+	}
+	return ret;
+}
+
 void OS_X11::update_real_mouse_position() {
 	Window root_return, child_return;
 	int root_x, root_y, win_x, win_y;

platform/x11/os_x11.h

@@ -329,6 +329,11 @@ public:
 	virtual Error move_to_trash(const String &p_path);
 
 	virtual LatinKeyboardVariant get_latin_keyboard_variant() const;
+	virtual int keyboard_get_layout_count() const;
+	virtual int keyboard_get_current_layout() const;
+	virtual void keyboard_set_current_layout(int p_index);
+	virtual String keyboard_get_layout_language(int p_index) const;
+	virtual String keyboard_get_layout_name(int p_index) const;
 
 	void update_real_mouse_position();
 	OS_X11();