1 files changed, 33 insertions, 0 deletions
diff --git a/Marlin/src/lcd/menu/menu_addon.h b/Marlin/src/lcd/menu/menu_addon.h
new file mode 100644
index 0000000..73e7061
--- /dev/null
+++ b/Marlin/src/lcd/menu/menu_addon.h
@@ -0,0 +1,33 @@
+/**
+ * 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/>.
+ *
+ */
+#pragma once
+
+#include "../lcdprint.h"
+
+#define _MENU_ITEM_ADDON_START(N,X) do{ \
+  if (ui.should_draw() && _menuLineNr == _thisItemNr - 1) { \
+    N(X)
+
+#define MENU_ITEM_ADDON_START(X)    _MENU_ITEM_ADDON_START(SETCURSOR_X,    X)
+#define MENU_ITEM_ADDON_START_RJ(X) _MENU_ITEM_ADDON_START(SETCURSOR_X_RJ, X)
+
+#define MENU_ITEM_ADDON_END() } }while(0)