Implemented OS get_latin_keyboard_variant on x11

platform/x11/os_x11.cpp

@@ -2253,6 +2253,38 @@ Error OS_X11::move_to_trash(const String &p_path) {
 	return err;
 }
 
+OS::LatinKeyboardVariant OS_X11::get_latin_keyboard_variant() const {
+
+	XkbDescRec *xkbdesc = XkbAllocKeyboard();
+	ERR_FAIL_COND_V(!xkbdesc, LATIN_KEYBOARD_QWERTY);
+
+	XkbGetNames(x11_display, XkbSymbolsNameMask, xkbdesc);
+	ERR_FAIL_COND_V(!xkbdesc->names, LATIN_KEYBOARD_QWERTY);
+	ERR_FAIL_COND_V(!xkbdesc->names->symbols, LATIN_KEYBOARD_QWERTY);
+
+	char *layout = XGetAtomName(x11_display, xkbdesc->names->symbols);
+	ERR_FAIL_COND_V(!layout, LATIN_KEYBOARD_QWERTY);
+
+	Vector<String> info = String(layout).split("+");
+	ERR_FAIL_INDEX_V(1, info.size(), LATIN_KEYBOARD_QWERTY);
+
+	/*if (info[1].find("colemak") != -1) {
+		return LATIN_KEYBOARD_COLEMAK;
+	} else*/ if (info[1].find("qwertz") != -1) {
+		return LATIN_KEYBOARD_QWERTZ;
+	} else if (info[1].find("azerty") != -1) {
+		return LATIN_KEYBOARD_AZERTY;
+	} else if (info[1].find("qzerty") != -1) {
+		return LATIN_KEYBOARD_QZERTY;
+	} else if (info[1].find("dvorak") != -1) {
+		return LATIN_KEYBOARD_DVORAK;
+	} else if (info[1].find("neo") != -1) {
+		return LATIN_KEYBOARD_NEO;
+	}
+
+	return LATIN_KEYBOARD_QWERTY;
+}
+
 OS_X11::OS_X11() {
 
 #ifdef PULSEAUDIO_ENABLED

platform/x11/os_x11.h

@@ -275,6 +275,8 @@ public:
 
 	virtual Error move_to_trash(const String &p_path);
 
+	virtual LatinKeyboardVariant get_latin_keyboard_variant() const;
+
 	OS_X11();
 };