ExtUI parity with SPI LCDs (#14172)

Marlin/src/lcd/extensible_ui/ui_api.cpp

   }
 
   void pausePrint() {
-    #if ENABLED(SDSUPPORT)
-      card.pauseSDPrint();
-      print_job_timer.pause();
-      #if ENABLED(PARK_HEAD_ON_PAUSE)
-        enqueue_and_echo_commands_P(PSTR("M125"));
-      #endif
-      ui.set_status_P(PSTR(MSG_PRINT_PAUSED));
-    #endif
+    ui.pause_print();
   }
 
   void resumePrint() {
-    #if ENABLED(SDSUPPORT)
-      ui.set_status_P(PSTR(MSG_FILAMENT_CHANGE_RESUME_1));
-      #if ENABLED(PARK_HEAD_ON_PAUSE)
-        wait_for_heatup = wait_for_user = false;
-        enqueue_and_echo_commands_P(PSTR("M24"));
-      #else
-        card.startFileprint();
-        print_job_timer.start();
-      #endif
-    #endif
+    ui.resume_print();
   }
 
   void stopPrint() {
-    #if ENABLED(SDSUPPORT)
-      wait_for_heatup = wait_for_user = false;
-      card.flag.abort_sd_printing = true;
-      ui.set_status_P(PSTR(MSG_PRINT_ABORTED));
-    #endif
+    ui.stop_print();
   }
 
   FileList::FileList() { refresh(); }

Marlin/src/lcd/menu/menu_main.cpp

   #include "../../feature/power_loss_recovery.h"
 #endif
 
-#if ENABLED(HOST_ACTION_COMMANDS)
-  #include "../../feature/host_actions.h"
-#endif
-
 #if HAS_GAMES
   #include "game/game.h"
 #endif
 #define MACHINE_CAN_STOP (EITHER(SDSUPPORT, HOST_PROMPT_SUPPORT) || defined(ACTION_ON_CANCEL))
 #define MACHINE_CAN_PAUSE (ANY(SDSUPPORT, HOST_PROMPT_SUPPORT, PARK_HEAD_ON_PAUSE) || defined(ACTION_ON_PAUSE))
 
-#if MACHINE_CAN_PAUSE
-
-  void lcd_pause_job() {
-    ui.synchronize(PSTR(MSG_PAUSE_PRINT));
-
-    #if ENABLED(POWER_LOSS_RECOVERY)
-      if (recovery.enabled) recovery.save(true, false);
-    #endif
-
-    #if ENABLED(HOST_PROMPT_SUPPORT)
-      host_prompt_open(PROMPT_PAUSE_RESUME, PSTR("UI Pause"), PSTR("Resume"));
-    #endif
-
-    #if ENABLED(PARK_HEAD_ON_PAUSE)
-      lcd_pause_show_message(PAUSE_MESSAGE_PAUSING, PAUSE_MODE_PAUSE_PRINT);  // Show message immediately to let user know about pause in progress
-      enqueue_and_echo_commands_P(PSTR("M25 P\nM24"));
-    #elif ENABLED(SDSUPPORT)
-      enqueue_and_echo_commands_P(PSTR("M25"));
-    #elif defined(ACTION_ON_PAUSE)
-      host_action_pause();
-    #endif
-  }
-
-  void lcd_resume() {
-    #if ENABLED(SDSUPPORT)
-      if (card.isPaused()) enqueue_and_echo_commands_P(PSTR("M24"));
-    #endif
-    #ifdef ACTION_ON_RESUME
-      host_action_resume();
-    #endif
-  }
-
-#endif // MACHINE_CAN_PAUSE
-
 #if MACHINE_CAN_STOP
-
-  void lcd_abort_job() {
-    #if ENABLED(SDSUPPORT)
-      wait_for_heatup = wait_for_user = false;
-      card.flag.abort_sd_printing = true;
-    #endif
-    #ifdef ACTION_ON_CANCEL
-      host_action_cancel();
-    #endif
-    #if ENABLED(HOST_PROMPT_SUPPORT)
-      host_prompt_open(PROMPT_INFO, PSTR("UI Abort"));
-    #endif
-    ui.set_status_P(PSTR(MSG_PRINT_ABORTED), -1);
-    ui.return_to_status();
-  }
-
   void menu_abort_confirm() {
-    do_select_screen(PSTR(MSG_BUTTON_STOP), PSTR(MSG_BACK), lcd_abort_job, ui.goto_previous_screen, PSTR(MSG_STOP_PRINT), nullptr, PSTR("?"));
+    do_select_screen(PSTR(MSG_BUTTON_STOP), PSTR(MSG_BACK), ui.abort_print, ui.goto_previous_screen, PSTR(MSG_STOP_PRINT), nullptr, PSTR("?"));
   }
-
 #endif // MACHINE_CAN_STOP
 
 #if ENABLED(PRUSA_MMU2)
 
   if (busy) {
     #if MACHINE_CAN_PAUSE
-      MENU_ITEM(function, MSG_PAUSE_PRINT, lcd_pause_job);
+      MENU_ITEM(function, MSG_PAUSE_PRINT, ui.pause_print);
     #endif
     #if MACHINE_CAN_STOP
       MENU_ITEM(submenu, MSG_STOP_PRINT, menu_abort_confirm);
           || card.isPaused()
         #endif
       );
-      if (paused) MENU_ITEM(function, MSG_RESUME_PRINT, lcd_resume);
+      if (paused) MENU_ITEM(function, MSG_RESUME_PRINT, ui.resume_print);
     #endif
 
     MENU_ITEM(submenu, MSG_MOTION, menu_motion);

Marlin/src/lcd/ultralcd.cpp

   #if ENABLED(EXTENSIBLE_UI)
     #define START_OF_UTF8_CHAR(C) (((C) & 0xC0u) != 0x80u)
   #endif
+  #if ENABLED(HOST_ACTION_COMMANDS)
+    #include "../feature/host_actions.h"
+  #endif
 #endif
 
 #if HAS_SPI_LCD
     set_status_P(msg, -1);
   }
 
+  void MarlinUI::abort_print() {
+    #if ENABLED(SDSUPPORT)
+      wait_for_heatup = wait_for_user = false;
+      card.flag.abort_sd_printing = true;
+    #endif
+    #ifdef ACTION_ON_CANCEL
+      host_action_cancel();
+    #endif
+    #if ENABLED(HOST_PROMPT_SUPPORT)
+      host_prompt_open(PROMPT_INFO, PSTR("UI Abort"));
+    #endif
+    print_job_timer.stop();
+    set_status_P(PSTR(MSG_PRINT_ABORTED));
+    #if HAS_SPI_LCD
+      return_to_status();
+    #endif
+  }
+
+  void MarlinUI::pause_print() {
+    synchronize(PSTR(MSG_PAUSE_PRINT));
+
+    #if ENABLED(POWER_LOSS_RECOVERY)
+      if (recovery.enabled) recovery.save(true, false);
+    #endif
+
+    #if ENABLED(HOST_PROMPT_SUPPORT)
+      host_prompt_open(PROMPT_PAUSE_RESUME, PSTR("UI Pause"), PSTR("Resume"));
+    #endif
+
+    set_status_P(PSTR(MSG_PRINT_PAUSED));
+
+    #if ENABLED(PARK_HEAD_ON_PAUSE)
+      #if HAS_SPI_LCD
+        lcd_pause_show_message(PAUSE_MESSAGE_PAUSING, PAUSE_MODE_PAUSE_PRINT);  // Show message immediately to let user know about pause in progress
+      #endif
+      enqueue_and_echo_commands_P(PSTR("M25 P\nM24"));
+    #elif ENABLED(SDSUPPORT)
+      enqueue_and_echo_commands_P(PSTR("M25"));
+    #elif defined(ACTION_ON_PAUSE)
+      host_action_pause();
+    #endif
+  }
+
+  void MarlinUI::resume_print() {
+    reset_status();
+    #if ENABLED(PARK_HEAD_ON_PAUSE)
+      wait_for_heatup = wait_for_user = false;
+    #endif
+    #if ENABLED(SDSUPPORT)
+      if (card.isPaused()) enqueue_and_echo_commands_P(PSTR("M24"));
+    #endif
+    #ifdef ACTION_ON_RESUME
+      host_action_resume();
+    #endif
+    print_job_timer.start(); // Also called by M24
+  }
+
   #if HAS_PRINT_PROGRESS
     uint8_t MarlinUI::get_progress() {
       #if ENABLED(LCD_SET_PROGRESS_MANUALLY)

Marlin/src/lcd/ultralcd.h

       static char* status_and_len(uint8_t &len);
     #endif
 
+    static void abort_print();
+    static void pause_print();
+    static void resume_print();
+    
     #if HAS_PRINT_PROGRESS
       #if ENABLED(LCD_SET_PROGRESS_MANUALLY)
         static uint8_t progress_bar_percent;