Host Action: Start (#19398)

Marlin/src/feature/host_actions.cpp

@@ -62,6 +62,9 @@ void host_action(PGM_P const pstr, const bool eol) {
 #ifdef ACTION_ON_CANCEL
   void host_action_cancel() { host_action(PSTR(ACTION_ON_CANCEL)); }
 #endif
+#ifdef ACTION_ON_START
+  void host_action_start() { host_action(PSTR(ACTION_ON_START)); }
+#endif
 
 #if ENABLED(HOST_PROMPT_SUPPORT)
 

Marlin/src/feature/host_actions.h

@@ -44,6 +44,9 @@ void host_action(PGM_P const pstr, const bool eol=true);
 #ifdef ACTION_ON_CANCEL
   void host_action_cancel();
 #endif
+#ifdef ACTION_ON_START
+  void host_action_start();
+#endif
 
 #if ENABLED(HOST_PROMPT_SUPPORT)
 

Marlin/src/inc/Conditionals_adv.h

@@ -196,6 +196,9 @@
   #ifndef ACTION_ON_CANCEL
     #define ACTION_ON_CANCEL  "cancel"
   #endif
+  #ifndef ACTION_ON_START
+    #define ACTION_ON_START   "start"
+  #endif
   #ifndef ACTION_ON_KILL
     #define ACTION_ON_KILL    "poweroff"
   #endif

Marlin/src/lcd/language/language_en.h

@@ -366,6 +366,7 @@ namespace Language_en {
   PROGMEM Language_Str MSG_PAUSING                         = _UxGT("Pausing...");
   PROGMEM Language_Str MSG_PAUSE_PRINT                     = _UxGT("Pause Print");
   PROGMEM Language_Str MSG_RESUME_PRINT                    = _UxGT("Resume Print");
+  PROGMEM Language_Str MSG_HOST_START_PRINT                = _UxGT("Host Start");
   PROGMEM Language_Str MSG_STOP_PRINT                      = _UxGT("Stop Print");
   PROGMEM Language_Str MSG_PRINTING_OBJECT                 = _UxGT("Printing Object");
   PROGMEM Language_Str MSG_CANCEL_OBJECT                   = _UxGT("Cancel Object");

Marlin/src/lcd/menu/menu_main.cpp

@@ -54,6 +54,10 @@
   #include "../../feature/password/password.h"
 #endif
 
+#ifdef ACTION_ON_START
+  #include "../../feature/host_actions.h"
+#endif
+
 void menu_tune();
 void menu_cancelobject();
 void menu_motion();
@@ -158,6 +162,10 @@ void menu_main() {
     if (TERN0(MACHINE_CAN_PAUSE, printingIsPaused()))
       ACTION_ITEM(MSG_RESUME_PRINT, ui.resume_print);
 
+    #ifdef ACTION_ON_START
+      ACTION_ITEM(MSG_HOST_START_PRINT, host_action_start);
+    #endif
+
     SUBMENU(MSG_MOTION, menu_motion);
   }