Added option for graphical overlay for Z-offset

Marlin/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/SanityCheck.h

@@ -305,6 +305,10 @@ static_assert(X_MAX_LENGTH >= X_BED_SIZE && Y_MAX_LENGTH >= Y_BED_SIZE,
     #error "MESH_BED_LEVELING and BABYSTEP_ZPROBE_OFFSET is not a valid combination"
   #elif ENABLED(BABYSTEP_ZPROBE_OFFSET) && !HAS_BED_PROBE
     #error "BABYSTEP_ZPROBE_OFFSET requires a probe."
+  #elif ENABLED(BABYSTEP_ZPROBE_GFX_OVERLAY) && !ENABLED(DOGLCD)
+    #error "BABYSTEP_ZPROBE_GFX_OVERLAY requires a DOGLCD."
+  #elif ENABLED(BABYSTEP_ZPROBE_GFX_OVERLAY) && !ENABLED(BABYSTEP_ZPROBE_OFFSET)
+    #error "BABYSTEP_ZPROBE_GFX_OVERLAY requires a BABYSTEP_ZPROBE_OFFSET."
   #endif
 #endif
 

Marlin/dogm_bitmaps.h

@@ -419,4 +419,96 @@
       0x0C, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
     };
   #endif // Extruders
+
+  #if ENABLED(BABYSTEP_ZPROBE_GFX_OVERLAY)
+    const unsigned char cw_bmp[] PROGMEM = { //AVR-GCC, WinAVR
+      0x07,0xf8,0x00, // 000001111111100000000000
+      0x0c,0x0c,0x00, // 000011000000110000000000
+      0x10,0x02,0x00, // 000100000000001000000000
+      0x20,0x01,0x00, // 001000000000000100000000
+      0x60,0x01,0x80, // 011000000000000100000000
+      0x40,0x00,0x80, // 010000000000000010000000
+      0x40,0x03,0xe0, // 010000000000000011100000
+      0x40,0x01,0xc0, // 010000000000000011000000
+      0x40,0x00,0x80, // 010000000000000010000000
+      0x40,0x00,0x00, // 010000000000000000000000
+      0x40,0x00,0x00, // 010000000000000000000000
+      0x60,0x00,0x00, // 011000000000000000000000
+      0x20,0x00,0x00, // 001000000000000000000000
+      0x10,0x00,0x00, // 000100000000000000000000
+      0x0c,0x0c,0x00, // 000011000000110000000000
+      0x07,0xf8,0x00  // 000001111111100000000000
+    };
+
+    const unsigned char ccw_bmp[] PROGMEM = { //AVR-GCC, WinAVR
+      0x01,0xfe,0x00, // 000000011111111000000000
+      0x03,0x03,0x00, // 000000110000001100000000
+      0x04,0x00,0x80, // 000001000000000010000000
+      0x08,0x00,0x40, // 000010000000000001000000
+      0x18,0x00,0x60, // 000110000000000001100000
+      0x10,0x00,0x20, // 000100000000000000100000
+      0x7c,0x00,0x20, // 011111000000000000100000
+      0x38,0x00,0x20, // 001110000000000000100000
+      0x10,0x00,0x20, // 000100000000000000100000
+      0x00,0x00,0x20, // 000000000000000000100000
+      0x00,0x00,0x20, // 000000000000000000100000
+      0x00,0x00,0x60, // 000000000000000001100000
+      0x00,0x00,0x40, // 000000000000000001000000
+      0x00,0x00,0x80, // 000000000000000010000000
+      0x03,0x03,0x00, // 000000110000001100000000
+      0x01,0xfe,0x00  // 000000011111111000000000
+    };
+
+
+    const unsigned char up_arrow_bmp[] PROGMEM = { //AVR-GCC, WinAVR
+      0x06,0x00, // 000001100000
+      0x0F,0x00, // 000011110000
+      0x1F,0x80, // 000111111000
+      0x3F,0xC0, // 001111111100
+      0x06,0x00, // 000001100000
+      0x06,0x00, // 000001100000
+      0x06,0x00, // 000001100000
+      0x06,0x00, // 000001100000
+      0x06,0x00, // 000001100000
+      0x06,0x00, // 000001100000
+      0x06,0x00, // 000001100000
+      0x06,0x00, // 000001100000
+      0x06,0x00  // 000001100000
+    };
+
+    const unsigned char down_arrow_bmp[] PROGMEM = { //AVR-GCC, WinAVR
+      0x06,0x00, // 000001100000
+      0x06,0x00, // 000001100000
+      0x06,0x00, // 000001100000
+      0x06,0x00, // 000001100000
+      0x06,0x00, // 000001100000
+      0x06,0x00, // 000001100000
+      0x06,0x00, // 000001100000
+      0x06,0x00, // 000001100000
+      0x06,0x00, // 000001100000
+      0x3F,0xC0, // 001111111100
+      0x1F,0x80, // 000111111000
+      0x0F,0x00, // 000011110000
+      0x06,0x00  // 000001100000
+    };
+
+    const unsigned char offset_bedline_bmp[] PROGMEM = { //AVR-GCC, WinAVR
+      0xFF,0xFF,0xFF // 111111111111111111111111
+    };
+
+    const unsigned char nozzle_bmp[] PROGMEM = { //AVR-GCC, WinAVR
+      0x7F,0x80, // 0111111110000000
+      0xFF,0xC0, // 1111111111000000
+      0xFF,0xC0, // 1111111111000000
+      0xFF,0xC0, // 1111111111000000
+      0x7F,0x80, // 0111111110000000
+      0x7F,0x80, // 0111111110000000
+      0xFF,0xC0, // 1111111111000000
+      0xFF,0xC0, // 1111111111000000
+      0xFF,0xC0, // 1111111111000000
+      0x3F,0x00, // 0011111100000000
+      0x1E,0x00, // 0001111000000000
+      0x0C,0x00  // 0000110000000000
+    };
+  #endif // BABYSTEP_ZPROBE_GFX_OVERLAY
 #endif // HAS_TEMP_BED

Marlin/example_configurations/AlephObjects/TAZ4/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/Anet/A6/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/Anet/A8/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/BQ/Hephestos/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/BQ/Hephestos_2/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/BQ/WITBOX/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/Cartesio/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/Felix/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/Folger Tech/i3-2020/Configuration_adv.h

@@ -608,6 +608,8 @@
   #define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/Infitary/i3-M508/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/Malyan/M150/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/RigidBot/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/SCARA/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/Sanguinololu/Configuration_adv.h

@@ -597,6 +597,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/TinyBoy2/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/Velleman/K8200/Configuration_adv.h

@@ -621,6 +621,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/Velleman/K8400/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration_adv.h

@@ -610,6 +610,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration_adv.h

@@ -610,6 +610,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/delta/generic/Configuration_adv.h

@@ -610,6 +610,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h

@@ -610,6 +610,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h

@@ -615,6 +615,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h

@@ -610,6 +610,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/gCreate/gMax1.5+/Configuration_adv.h

@@ -608,6 +608,8 @@
   #define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/makibox/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/example_configurations/wt150/Configuration_adv.h

@@ -608,6 +608,8 @@
   //#define DOUBLECLICK_FOR_Z_BABYSTEPPING // Double-click on the Status Screen for Z Babystepping.
   #define DOUBLECLICK_MAX_INTERVAL 1250 // Maximum interval between clicks, in milliseconds.
                                         // Note: Extra time may be added to mitigate controller latency.
+  //#define BABYSTEP_ZPROBE_GFX_OVERLAY // Enable graphical overlay on Z-offset editor
+  //#define BABYSTEP_ZPROBE_GFX_REVERSE // Reverses the direction of the CW/CCW indicators
 #endif
 
 // @section extruder

Marlin/ultralcd.cpp

@@ -998,6 +998,48 @@ void kill_screen(const char* lcd_msg) {
 
     #if ENABLED(BABYSTEP_ZPROBE_OFFSET)
 
+      #if ENABLED(BABYSTEP_ZPROBE_GFX_OVERLAY)
+        void _lcd_babystep_zoffset_overlay(float zprobe_zoffset) {
+          // Determine whether the user is raising or lowering the nozzle.
+          static int dir = 0;
+          static float old_zprobe_zoffset = 0;
+          if(zprobe_zoffset != old_zprobe_zoffset) {
+            dir = (zprobe_zoffset > old_zprobe_zoffset) ? 1 : -1;
+            old_zprobe_zoffset = zprobe_zoffset;
+          }
+
+          #if ENABLED(BABYSTEP_ZPROBE_GFX_REVERSE)
+            const unsigned char* rot_up   = ccw_bmp;
+            const unsigned char* rot_down = cw_bmp;
+          #else
+            const unsigned char* rot_up   = cw_bmp;
+            const unsigned char* rot_down = ccw_bmp;
+          #endif
+
+          #if ENABLED(USE_BIG_EDIT_FONT)
+            const int left   = 0;
+            const int right  = 45;
+            const int nozzle = 95;
+          #else
+            const int left   = 5;
+            const int right  = 90;
+            const int nozzle = 60;
+          #endif
+
+          // Draw a representation of the nozzle
+          if(PAGE_CONTAINS(3,16))  u8g.drawBitmapP(nozzle + 6, 4 - dir,2,12,nozzle_bmp);
+          if(PAGE_CONTAINS(20,20)) u8g.drawBitmapP(nozzle + 0,20,3,1,offset_bedline_bmp);
+
+          // Draw cw/ccw indicator and up/down arrows.
+          if(PAGE_CONTAINS(47,62)) {
+            u8g.drawBitmapP(left  + 0, 47, 3, 16, rot_down);
+            u8g.drawBitmapP(right + 0, 47, 3, 16, rot_up);
+            u8g.drawBitmapP(right + 20, 48 - dir, 2, 13, up_arrow_bmp);
+            u8g.drawBitmapP(left  + 20, 49 - dir, 2, 13, down_arrow_bmp);
+          }
+        }
+      #endif // BABYSTEP_ZPROBE_GFX_OVERLAY
+
       void lcd_babystep_zoffset() {
         if (lcd_clicked) { return lcd_goto_previous_menu_no_defer(); }
         defer_return_to_status = true;
@@ -1017,8 +1059,12 @@ void kill_screen(const char* lcd_msg) {
             lcdDrawUpdate = LCDVIEW_CALL_REDRAW_NEXT;
           }
         }
-        if (lcdDrawUpdate)
+        if (lcdDrawUpdate) {
           lcd_implementation_drawedit(PSTR(MSG_ZPROBE_ZOFFSET), ftostr43sign(zprobe_zoffset));
+          #if ENABLED(BABYSTEP_ZPROBE_GFX_OVERLAY)
+            _lcd_babystep_zoffset_overlay(zprobe_zoffset);
+          #endif
+        }
       }
 
     #else // !BABYSTEP_ZPROBE_OFFSET