optional cutter/laser status in HD44780 status screen.

Marlin/src/lcd/HD44780/marlinui_HD44780.cpp

   #include "../../feature/bedlevel/bedlevel.h"
 #endif
 
+#if HAS_CUTTER
+  #include "../../feature/spindle_laser.h"
+#endif
+
 //
 // Create LCD instance and chipset-specific information
 //
   _draw_heater_status(H_BED, TERN0(HAS_LEVELING, blink && planner.leveling_active) ? '_' : LCD_STR_BEDTEMP[0], blink);
 }
 
+#ifdef HAS_CUTTER
+  FORCE_INLINE void _draw_cutter_status() {
+    #if ENABLED(LASER_FEATURE)
+      lcd_put_u8str("Laser:");
+    #else
+      lcd_put_u8str("Cutter:");
+    #endif
+
+    lcd_put_u8str(" ");
+
+    #if CUTTER_UNIT_IS(PERCENT)
+      lcd_put_u8str(cutter_power2str(cutter.unitPower));
+      lcd_put_lchar('%');
+    #elif CUTTER_UNIT_IS(RPM)
+      lcd_put_u8str(ftostr61rj(float(cutter.unitPower) / 1000));
+      lcd_put_lchar('K');
+    #else
+      lcd_put_u8str(cutter_power2str(cutter.unitPower));
+    #endif
+
+    lcd_put_u8str(" ");
+
+    if (cutter.enabled()) {
+      lcd_put_u8str("On");
+    } else {
+      lcd_put_u8str("Off");
+    }
+
+    lcd_put_u8str(" ");
+
+    switch (cutter.cutter_mode) {
+      case CUTTER_MODE_STANDARD:
+        lcd_put_u8str("S");
+        break;
+
+      case CUTTER_MODE_CONTINUOUS:
+        lcd_put_u8str("C");
+        break;
+
+      case CUTTER_MODE_DYNAMIC:
+        lcd_put_u8str("D");
+        break;
+
+      case CUTTER_MODE_ERROR:
+        lcd_put_u8str("!");
+        break;
+    }
+  }
+#endif
+
 #if ENABLED(LCD_PROGRESS_BAR)
 
   void MarlinUI::draw_progress_bar(const uint8_t percent) {
           lcd_moveto(8, 0);
           _draw_bed_status(blink);
         #endif
+      #elif HAS_CUTTER
+        lcd_moveto(0, 0);
+        _draw_cutter_status();
       #endif
 
     #else // LCD_WIDTH >= 20
           lcd_moveto(10, 0);
           _draw_bed_status(blink);
         #endif
+      #elif HAS_CUTTER
+        lcd_moveto(0, 0);
+        _draw_cutter_status();
       #endif
 
       TERN_(HAS_COOLER, _draw_cooler_status('*', blink));