Move some MarlinCore and MarlinUI code (#20832)

Marlin/src/gcode/gcode.cpp

@@ -61,7 +61,7 @@ GcodeSuite gcode;
   #include "../feature/password/password.h"
 #endif
 
-#include "../MarlinCore.h" // for idle()
+#include "../MarlinCore.h" // for idle, kill
 
 // Inactivity shutdown
 millis_t GcodeSuite::previous_move_ms = 0,
@@ -209,6 +209,31 @@ void GcodeSuite::dwell(millis_t time) {
  */
 #if BOTH(HAS_LEVELING, G29_RETRY_AND_RECOVER)
 
+  void GcodeSuite::event_probe_recover() {
+    TERN_(HOST_PROMPT_SUPPORT, host_prompt_do(PROMPT_INFO, PSTR("G29 Retrying"), DISMISS_STR));
+    #ifdef ACTION_ON_G29_RECOVER
+      host_action(PSTR(ACTION_ON_G29_RECOVER));
+    #endif
+    #ifdef G29_RECOVER_COMMANDS
+      process_subcommands_now_P(PSTR(G29_RECOVER_COMMANDS));
+    #endif
+  }
+
+  void GcodeSuite::event_probe_failure() {
+    #ifdef ACTION_ON_G29_FAILURE
+      host_action(PSTR(ACTION_ON_G29_FAILURE));
+    #endif
+    #ifdef G29_FAILURE_COMMANDS
+      process_subcommands_now_P(PSTR(G29_FAILURE_COMMANDS));
+    #endif
+    #if ENABLED(G29_HALT_ON_FAILURE)
+      #ifdef ACTION_ON_CANCEL
+        host_action_cancel();
+      #endif
+      kill(GET_TEXT(MSG_LCD_PROBING_FAILED));
+    #endif
+  }
+
   #ifndef G29_MAX_RETRIES
     #define G29_MAX_RETRIES 0
   #endif
@@ -216,7 +241,10 @@ void GcodeSuite::dwell(millis_t time) {
   void GcodeSuite::G29_with_retry() {
     uint8_t retries = G29_MAX_RETRIES;
     while (G29()) { // G29 should return true for failed probes ONLY
-      if (retries--) event_probe_recover();
+      if (retries) {
+        event_probe_recover();
+        --retries;
+      }
       else {
         event_probe_failure();
         return;