Add live editing option to LCD menu

Marlin/configuration_store.cpp

@@ -123,7 +123,7 @@
  *  490  M304 PID  thermalManager.bedKp, .bedKi, .bedKd (float x3)
  *
  * DOGLCD:                                          2 bytes
- *  502  M250 C    lcd_contrast                     (int)
+ *  502  M250 C    lcd_contrast                     (uint16_t)
  *
  * FWRETRACT:                                       29 bytes
  *  504  M209 S    autoretract_enabled              (bool)
@@ -502,7 +502,7 @@ void MarlinSettings::postprocess() {
     #endif
 
     #if !HAS_LCD_CONTRAST
-      const int lcd_contrast = 32;
+      const uint16_t lcd_contrast = 32;
     #endif
     EEPROM_WRITE(lcd_contrast);
 
@@ -883,7 +883,7 @@ void MarlinSettings::postprocess() {
       #endif
 
       #if !HAS_LCD_CONTRAST
-        int lcd_contrast;
+        uint16_t lcd_contrast;
       #endif
       EEPROM_READ(lcd_contrast);
 

Marlin/ultralcd.cpp

@@ -148,10 +148,6 @@ uint16_t max_display_update_time = 0;
     void lcd_dac_write_eeprom();
   #endif
 
-  #if HAS_LCD_CONTRAST
-    void lcd_set_contrast();
-  #endif
-
   #if ENABLED(FWRETRACT)
     void lcd_control_retract_menu();
   #endif
@@ -181,7 +177,7 @@ uint16_t max_display_update_time = 0;
     void menu_edit_callback_ ## _name(); \
     void _menu_action_setting_edit_ ## _name(const char * const pstr, _type* const ptr, const _type minValue, const _type maxValue); \
     void menu_action_setting_edit_ ## _name(const char * const pstr, _type * const ptr, const _type minValue, const _type maxValue); \
-    void menu_action_setting_edit_callback_ ## _name(const char * const pstr, _type * const ptr, const _type minValue, const _type maxValue, const screenFunc_t callback); \
+    void menu_action_setting_edit_callback_ ## _name(const char * const pstr, _type * const ptr, const _type minValue, const _type maxValue, const screenFunc_t callback, const bool live=false); \
     typedef void _name##_void
 
   DECLARE_MENU_EDIT_TYPE(int, int3);
@@ -419,6 +415,7 @@ uint16_t max_display_update_time = 0;
   void *editValue;
   int32_t minEditValue, maxEditValue;
   screenFunc_t callbackFunc;
+  bool liveEdit;
 
   // Manual Moves
   const float manual_feedrate_mm_m[] = MANUAL_FEEDRATE;
@@ -590,7 +587,7 @@ void lcd_status_screen() {
     }
 
     #if ENABLED(ULTIPANEL_FEEDMULTIPLY)
-      int new_frm = feedrate_percentage + (int32_t)encoderPosition;
+      const int new_frm = feedrate_percentage + (int32_t)encoderPosition;
       // Dead zone at 100% feedrate
       if ((feedrate_percentage < 100 && new_frm > 100) || (feedrate_percentage > 100 && new_frm < 100)) {
         feedrate_percentage = 100;
@@ -2465,6 +2462,17 @@ void kill_screen(const char* lcd_msg) {
    *
    */
 
+  /**
+   *
+   * Callback for LCD contrast
+   *
+   */
+  #if HAS_LCD_CONTRAST
+
+    void lcd_callback_set_contrast() { set_lcd_contrast(lcd_contrast); }
+
+  #endif // HAS_LCD_CONTRAST
+
   #if ENABLED(EEPROM_SETTINGS)
     static void lcd_store_settings()   { lcd_completion_feedback(settings.save()); }
     static void lcd_load_settings()    { lcd_completion_feedback(settings.load()); }
@@ -2483,8 +2491,7 @@ void kill_screen(const char* lcd_msg) {
     MENU_ITEM(submenu, MSG_FILAMENT, lcd_control_filament_menu);
 
     #if HAS_LCD_CONTRAST
-      //MENU_ITEM_EDIT(int3, MSG_CONTRAST, &lcd_contrast, 0, 63);
+      MENU_ITEM_EDIT_CALLBACK(int3, MSG_CONTRAST, &lcd_contrast, LCD_CONTRAST_MIN, LCD_CONTRAST_MAX, lcd_callback_set_contrast, true);
-      MENU_ITEM(submenu, MSG_CONTRAST, lcd_set_contrast);
     #endif
     #if ENABLED(FWRETRACT)
       MENU_ITEM(submenu, MSG_RETRACT, lcd_control_retract_menu);
@@ -2953,32 +2960,6 @@ void kill_screen(const char* lcd_msg) {
     END_MENU();
   }
 
-  /**
-   *
-   * "Control" > "Contrast" submenu
-   *
-   */
-  #if HAS_LCD_CONTRAST
-    void lcd_set_contrast() {
-      if (lcd_clicked) { return lcd_goto_previous_menu(); }
-      ENCODER_DIRECTION_NORMAL();
-      if (encoderPosition) {
-        set_lcd_contrast(lcd_contrast + encoderPosition);
-        encoderPosition = 0;
-        lcdDrawUpdate = LCDVIEW_REDRAW_NOW;
-      }
-      if (lcdDrawUpdate) {
-        lcd_implementation_drawedit(PSTR(MSG_CONTRAST),
-          #if LCD_CONTRAST_MAX >= 100
-            itostr3(lcd_contrast)
-          #else
-            itostr2(lcd_contrast)
-          #endif
-        );
-      }
-    }
-  #endif // HAS_LCD_CONTRAST
-
   /**
    *
    * "Control" > "Retract" submenu
@@ -3492,7 +3473,7 @@ void kill_screen(const char* lcd_msg) {
    *   void menu_edit_callback_int3(); // edit int (interactively) with callback on completion
    *   void _menu_action_setting_edit_int3(const char * const pstr, int * const ptr, const int minValue, const int maxValue);
    *   void menu_action_setting_edit_int3(const char * const pstr, int * const ptr, const int minValue, const int maxValue);
-   *   void menu_action_setting_edit_callback_int3(const char * const pstr, int * const ptr, const int minValue, const int maxValue, const screenFunc_t callback); // edit int with callback
+   *   void menu_action_setting_edit_callback_int3(const char * const pstr, int * const ptr, const int minValue, const int maxValue, const screenFunc_t callback, const bool live); // edit int with callback
    *
    * You can then use one of the menu macros to present the edit interface:
    *   MENU_ITEM_EDIT(int3, MSG_SPEED, &feedrate_percentage, 10, 999)
@@ -3500,9 +3481,7 @@ void kill_screen(const char* lcd_msg) {
    * This expands into a more primitive menu item:
    *   MENU_ITEM(setting_edit_int3, MSG_SPEED, PSTR(MSG_SPEED), &feedrate_percentage, 10, 999)
    *
-   *
+   * ...which calls:
-   * Also: MENU_MULTIPLIER_ITEM_EDIT, MENU_ITEM_EDIT_CALLBACK, and MENU_MULTIPLIER_ITEM_EDIT_CALLBACK
-   *
    *       menu_action_setting_edit_int3(PSTR(MSG_SPEED), &feedrate_percentage, 10, 999)
    */
   #define DEFINE_MENU_EDIT_TYPE(_type, _name, _strFunc, _scale) \
@@ -3512,11 +3491,11 @@ void kill_screen(const char* lcd_msg) {
       if ((int32_t)encoderPosition > maxEditValue) encoderPosition = maxEditValue; \
       if (lcdDrawUpdate) \
         lcd_implementation_drawedit(editLabel, _strFunc(((_type)((int32_t)encoderPosition + minEditValue)) * (1.0 / _scale))); \
-      if (lcd_clicked) { \
+      if (lcd_clicked || (liveEdit && lcdDrawUpdate)) { \
         _type value = ((_type)((int32_t)encoderPosition + minEditValue)) * (1.0 / _scale); \
-        if (editValue != NULL) \
+        if (editValue != NULL) *((_type*)editValue) = value; \
-          *((_type*)editValue) = value; \
+        if (liveEdit) (*callbackFunc)(); \
-        lcd_goto_previous_menu(); \
+        if (lcd_clicked) lcd_goto_previous_menu(); \
       } \
       return lcd_clicked; \
     } \
@@ -3537,10 +3516,11 @@ void kill_screen(const char* lcd_msg) {
       _menu_action_setting_edit_ ## _name(pstr, ptr, minValue, maxValue); \
       currentScreen = menu_edit_ ## _name; \
     } \
-    void menu_action_setting_edit_callback_ ## _name (const char * const pstr, _type * const ptr, const _type minValue, const _type maxValue, const screenFunc_t callback) { \
+    void menu_action_setting_edit_callback_ ## _name(const char * const pstr, _type * const ptr, const _type minValue, const _type maxValue, const screenFunc_t callback, const bool live) { \
       _menu_action_setting_edit_ ## _name(pstr, ptr, minValue, maxValue); \
       currentScreen = menu_edit_callback_ ## _name; \
       callbackFunc = callback; \
+      liveEdit = live; \
     } \
     typedef void _name
 
@@ -4071,10 +4051,12 @@ void lcd_setalertstatuspgm(const char * const message) {
 void lcd_reset_alert_level() { lcd_status_message_level = 0; }
 
 #if HAS_LCD_CONTRAST
+
   void set_lcd_contrast(const int value) {
     lcd_contrast = constrain(value, LCD_CONTRAST_MIN, LCD_CONTRAST_MAX);
     u8g.setContrast(lcd_contrast);
   }
+
 #endif
 
 #if ENABLED(ULTIPANEL)

Marlin/ultralcd.h

@@ -55,8 +55,8 @@
   #endif
 
   #if ENABLED(DOGLCD)
-    extern int lcd_contrast;
+    extern uint16_t lcd_contrast;
-    void set_lcd_contrast(int value);
+    void set_lcd_contrast(uint16_t value);
   #elif ENABLED(SHOW_BOOTSCREEN)
     void bootscreen();
   #endif

Marlin/ultralcd_impl_DOGM.h

@@ -195,7 +195,7 @@
 
 #include "utf_mapper.h"
 
-int lcd_contrast;
+uint16_t lcd_contrast;
 static char currentfont = 0;
 
 // The current graphical page being rendered