MarlinUI multi-language support (#20725)

Marlin/src/gcode/lcd/M414.cpp

@@ -0,0 +1,44 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../../inc/MarlinConfig.h"
+
+#if HAS_MULTI_LANGUAGE
+
+#include "../gcode.h"
+#include "../../MarlinCore.h"
+#include "../../lcd/marlinui.h"
+
+/**
+ * M414: Set the language for the UI
+ *
+ * Parameters
+ *  S<index> : The language to select
+ */
+void GcodeSuite::M414() {
+
+  if (parser.seenval('S'))
+    ui.set_language(parser.value_byte());
+
+}
+
+#endif // HAS_MULTI_LANGUAGE