🎨 Standardize G-code reporting

Marlin/src/gcode/lcd/M145.cpp

@@ -60,4 +60,23 @@ void GcodeSuite::M145() {
   }
 }
 
+void GcodeSuite::M145_report(const bool forReplay/*=true*/) {
+  report_heading(forReplay, PSTR(STR_MATERIAL_HEATUP));
+  LOOP_L_N(i, PREHEAT_COUNT) {
+    report_echo_start(forReplay);
+    SERIAL_ECHOLNPAIR_P(
+      PSTR("  M145 S"), i
+      #if HAS_HOTEND
+        , PSTR(" H"), parser.to_temp_units(ui.material_preset[i].hotend_temp)
+      #endif
+      #if HAS_HEATED_BED
+        , SP_B_STR, parser.to_temp_units(ui.material_preset[i].bed_temp)
+      #endif
+      #if HAS_FAN
+        , PSTR(" F"), ui.material_preset[i].fan_speed
+      #endif
+    );
+  }
+}
+
 #endif // PREHEAT_COUNT

Marlin/src/gcode/lcd/M250.cpp

@@ -19,7 +19,6 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
-
 #include "../../inc/MarlinConfig.h"
 
 #if HAS_LCD_CONTRAST
@@ -31,8 +30,15 @@
  * M250: Read and optionally set the LCD contrast
  */
 void GcodeSuite::M250() {
-  if (parser.seen('C')) ui.set_contrast(parser.value_int());
-  SERIAL_ECHOLNPAIR("LCD Contrast: ", ui.contrast);
+  if (parser.seenval('C'))
+    ui.set_contrast(parser.value_int());
+  else
+    M250_report();
+}
+
+void GcodeSuite::M250_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_LCD_CONTRAST));
+  SERIAL_ECHOLNPAIR("  M250 C", ui.contrast);
 }
 
 #endif // HAS_LCD_CONTRAST

Marlin/src/gcode/lcd/M256.cpp

@@ -30,8 +30,15 @@
  * M256: Set the LCD brightness
  */
 void GcodeSuite::M256() {
-  if (parser.seenval('B')) ui.set_brightness(parser.value_int());
-  SERIAL_ECHOLNPAIR("LCD Brightness: ", ui.brightness);
+  if (parser.seenval('B'))
+    ui.set_brightness(parser.value_int());
+  else
+    M256_report();
+}
+
+void GcodeSuite::M256_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_LCD_BRIGHTNESS));
+  SERIAL_ECHOLNPAIR("  M256 B", ui.brightness);
 }
 
 #endif // HAS_LCD_BRIGHTNESS

Marlin/src/gcode/lcd/M414.cpp

@@ -38,7 +38,14 @@ void GcodeSuite::M414() {
 
   if (parser.seenval('S'))
     ui.set_language(parser.value_byte());
+  else
+    M414_report();
 
 }
 
+void GcodeSuite::M414_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_UI_LANGUAGE));
+  SERIAL_ECHOLNPAIR("  M414 S", ui.language);
+}
+
 #endif // HAS_MULTI_LANGUAGE