FWRETRACT as a feature

Marlin/src/gcode/feature/fwretract/G10_G11.cpp

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+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../../../inc/MarlinConfig.h"
+
+#if ENABLED(FWRETRACT)
+
+#include "../../../feature/fwretract.h"
+#include "../../gcode.h"
+#include "../../../module/motion.h"
+
+/**
+ * G10 - Retract filament according to settings of M207
+ */
+void GcodeSuite::G10() {
+  #if EXTRUDERS > 1
+    const bool rs = parser.boolval('S');
+    fwretract.retracted_swap[active_extruder] = rs; // Use 'S' for swap, default to false
+  #endif
+  fwretract.retract(true
+    #if EXTRUDERS > 1
+      , rs
+    #endif
+  );
+}
+
+/**
+ * G11 - Recover filament according to settings of M208
+ */
+void GcodeSuite::G11() { fwretract.retract(false); }
+
+#endif // FWRETRACT