Fix MKS LVGL UI Main screen / print buttons (#21468)

Marlin/src/lcd/extui/lib/mks_ui/draw_dialog.cpp

 
 void filament_sprayer_temp() {
   char buf[20] = {0};
-  sprintf(buf, preheat_menu.value_state, (int)thermalManager.degHotend(uiCfg.extruderIndex), (int)thermalManager.degTargetHotend(uiCfg.extruderIndex));
+  sprintf(buf, preheat_menu.value_state, thermalManager.degHotend(uiCfg.extruderIndex), thermalManager.degTargetHotend(uiCfg.extruderIndex));
 
   strcpy(public_buf_l, uiCfg.extruderIndex < 1 ? extrude_menu.ext1 : extrude_menu.ext2);
   strcat_P(public_buf_l, PSTR(": "));

Marlin/src/lcd/extui/lib/mks_ui/draw_extrusion.cpp

 
 void disp_hotend_temp() {
   char buf[20] = {0};
-  sprintf(buf, extrude_menu.temp_value, (int)thermalManager.degHotend(uiCfg.extruderIndex), (int)thermalManager.degTargetHotend(uiCfg.extruderIndex));
+  sprintf(buf, extrude_menu.temp_value, thermalManager.degHotend(uiCfg.extruderIndex), thermalManager.degTargetHotend(uiCfg.extruderIndex));
   strcpy(public_buf_l, extrude_menu.temper_text);
   strcat(public_buf_l, buf);
   lv_label_set_text(tempText, public_buf_l);

Marlin/src/lcd/extui/lib/mks_ui/draw_filament_change.cpp

   switch (obj->mks_obj_id) {
     case ID_FILAMNT_IN:
       uiCfg.filament_load_heat_flg = true;
-      if ((abs(thermalManager.degTargetHotend(uiCfg.extruderIndex) - thermalManager.degHotend(uiCfg.extruderIndex)) <= 1)
-          || (gCfgItems.filament_limit_temp <= thermalManager.degHotend(uiCfg.extruderIndex))) {
+      if (abs(thermalManager.degTargetHotend(uiCfg.extruderIndex) - thermalManager.degHotend(uiCfg.extruderIndex)) <= 1
+          || gCfgItems.filament_limit_temp <= thermalManager.degHotend(uiCfg.extruderIndex)) {
         lv_clear_filament_change();
         lv_draw_dialog(DIALOG_TYPE_FILAMENT_HEAT_LOAD_COMPLETED);
       }
     case ID_FILAMNT_OUT:
       uiCfg.filament_unload_heat_flg = true;
       if (thermalManager.degTargetHotend(uiCfg.extruderIndex)
-          && ((abs((int)((int)thermalManager.degTargetHotend(uiCfg.extruderIndex) - thermalManager.degHotend(uiCfg.extruderIndex))) <= 1)
-              || ((int)thermalManager.degHotend(uiCfg.extruderIndex) >= gCfgItems.filament_limit_temp))
+          && (abs((int)(thermalManager.degTargetHotend(uiCfg.extruderIndex) - thermalManager.degHotend(uiCfg.extruderIndex))) <= 1
+              || thermalManager.degHotend(uiCfg.extruderIndex) >= gCfgItems.filament_limit_temp)
       ) {
         lv_clear_filament_change();
         lv_draw_dialog(DIALOG_TYPE_FILAMENT_HEAT_UNLOAD_COMPLETED);
   public_buf_l[0] = '\0';
 
   strcat(public_buf_l, uiCfg.extruderIndex < 1 ? preheat_menu.ext1 : preheat_menu.ext2);
-  sprintf(buf, preheat_menu.value_state, (int)thermalManager.degHotend(uiCfg.extruderIndex), (int)thermalManager.degTargetHotend(uiCfg.extruderIndex));
+  sprintf(buf, preheat_menu.value_state, thermalManager.degHotend(uiCfg.extruderIndex), thermalManager.degTargetHotend(uiCfg.extruderIndex));
 
   strcat_P(public_buf_l, PSTR(": "));
   strcat(public_buf_l, buf);

Marlin/src/lcd/extui/lib/mks_ui/draw_preHeat.cpp

 
     case ID_P_DEC:
       if (uiCfg.curTempType == 0) {
-        if ((int)thermalManager.degTargetHotend(uiCfg.extruderIndex) > uiCfg.stepHeat)
+        if (thermalManager.degTargetHotend(uiCfg.extruderIndex) > uiCfg.stepHeat)
           thermalManager.temp_hotend[uiCfg.extruderIndex].target -= uiCfg.stepHeat;
         else
           thermalManager.setTargetHotend(0, uiCfg.extruderIndex);
       }
       #if HAS_HEATED_BED
         else {
-          if ((int)thermalManager.temp_bed.target > uiCfg.stepHeat)
+          if (thermalManager.degTargetBed() > uiCfg.stepHeat)
             thermalManager.temp_bed.target -= uiCfg.stepHeat;
           else
             thermalManager.setTargetBed(0);
 
   if (uiCfg.curTempType == 0) {
     strcat(public_buf_l, uiCfg.extruderIndex < 1 ? preheat_menu.ext1 : preheat_menu.ext2);
-    sprintf(buf, preheat_menu.value_state, (int)thermalManager.degHotend(uiCfg.extruderIndex), (int)thermalManager.degTargetHotend(uiCfg.extruderIndex));
+    sprintf(buf, preheat_menu.value_state, thermalManager.degHotend(uiCfg.extruderIndex), thermalManager.degTargetHotend(uiCfg.extruderIndex));
   }
   #if HAS_HEATED_BED
     else {
       strcat(public_buf_l, preheat_menu.hotbed);
-      sprintf(buf, preheat_menu.value_state, (int)thermalManager.temp_bed.celsius, (int)thermalManager.temp_bed.target);
+      sprintf(buf, preheat_menu.value_state, thermalManager.degBed(), thermalManager.degTargetBed());
     }
   #endif
   strcat_P(public_buf_l, PSTR(": "));

Marlin/src/lcd/extui/lib/mks_ui/draw_printing.cpp

 static lv_obj_t *labelExt1, *labelFan, *labelZpos, *labelTime;
 static lv_obj_t *labelPause, *labelStop, *labelOperat;
 static lv_obj_t *bar1, *bar1ValueText;
-static lv_obj_t *buttonPause, *buttonOperat, *buttonStop;
+static lv_obj_t *buttonPause, *buttonOperat, *buttonStop, *buttonExt1, *buttonExt2, *buttonBedstate, *buttonFanstate, *buttonZpos;
 
 #if ENABLED(HAS_MULTI_EXTRUDER)
   static lv_obj_t *labelExt2;
 enum {
   ID_PAUSE = 1,
   ID_STOP,
-  ID_OPTION
+  ID_OPTION,
+  ID_TEMP_EXT,
+  ID_TEMP_BED,
+  ID_BABYSTEP,
+  ID_FAN
 };
 
 bool once_flag; // = false
         }
       #endif
       break;
-
     case ID_STOP:
       lv_clear_printing();
       lv_draw_dialog(DIALOG_TYPE_STOP);
       lv_clear_printing();
       lv_draw_operation();
       break;
+    case ID_TEMP_EXT:
+      uiCfg.curTempType = 0;
+      lv_clear_printing();
+      lv_draw_preHeat();
+      break;
+    case ID_TEMP_BED:
+      uiCfg.curTempType = 1;
+      lv_clear_printing();
+      lv_draw_preHeat();
+      break;
+    case ID_BABYSTEP:
+      lv_clear_printing();
+      lv_draw_baby_stepping();
+      break;
+    case ID_FAN:
+      lv_clear_printing();
+      lv_draw_fan();
+      break;
   }
 }
 
   scr = lv_screen_create(PRINTING_UI);
 
   // Create image buttons
-  lv_obj_t *buttonExt1 = lv_img_create(scr, nullptr);
-  lv_img_set_src(buttonExt1, "F:/bmp_ext1_state.bin");
-  lv_obj_set_pos(buttonExt1, 205, 136);
+  buttonExt1 = lv_imgbtn_create(scr, "F:/bmp_ext1_state.bin", 206, 136, event_handler, ID_TEMP_EXT);
 
   #if HAS_MULTI_EXTRUDER
-    lv_obj_t *buttonExt2 = lv_img_create(scr, nullptr);
-    lv_img_set_src(buttonExt2, "F:/bmp_ext2_state.bin");
-    lv_obj_set_pos(buttonExt2, 350, 136);
+    buttonExt2 = lv_imgbtn_create(scr, "F:/bmp_ext2_state.bin", 350, 136, event_handler, ID_TEMP_EXT);
   #endif
 
   #if HAS_HEATED_BED
-    lv_obj_t *buttonBedstate = lv_img_create(scr, nullptr);
-    lv_img_set_src(buttonBedstate, "F:/bmp_bed_state.bin");
-    lv_obj_set_pos(buttonBedstate, 205, 186);
+    buttonBedstate = lv_imgbtn_create(scr, "F:/bmp_bed_state.bin", 206, 186, event_handler, ID_TEMP_BED);
   #endif
 
-  lv_obj_t *buttonFanstate = lv_img_create(scr, nullptr);
-  lv_img_set_src(buttonFanstate, "F:/bmp_fan_state.bin");
-  lv_obj_set_pos(buttonFanstate, 350, 186);
+  buttonFanstate = lv_imgbtn_create(scr, "F:/bmp_fan_state.bin", 350, 186, event_handler, ID_FAN);
 
   lv_obj_t *buttonTime = lv_img_create(scr, nullptr);
   lv_img_set_src(buttonTime, "F:/bmp_time_state.bin");
-  lv_obj_set_pos(buttonTime, 205, 86);
+  lv_obj_set_pos(buttonTime, 206, 86);
 
-  lv_obj_t *buttonZpos = lv_img_create(scr, nullptr);
-  lv_img_set_src(buttonZpos, "F:/bmp_zpos_state.bin");
-  lv_obj_set_pos(buttonZpos, 350, 86);
+  buttonZpos = lv_imgbtn_create(scr, "F:/bmp_zpos_state.bin", 350, 86, event_handler, ID_BABYSTEP);
 
   buttonPause = lv_imgbtn_create(scr, uiCfg.print_state == WORKING ? "F:/bmp_pause.bin" : "F:/bmp_resume.bin", 5, 240, event_handler, ID_PAUSE);
   buttonStop = lv_imgbtn_create(scr, "F:/bmp_stop.bin", 165, 240, event_handler, ID_STOP);
       lv_group_add_obj(g, buttonPause);
       lv_group_add_obj(g, buttonStop);
       lv_group_add_obj(g, buttonOperat);
+      lv_group_add_obj(g, buttonPause);
+      lv_group_add_obj(g, buttonPause);
+      lv_group_add_obj(g, buttonPause);
     }
   #endif
 
 }
 
 void disp_ext_temp() {
-  sprintf(public_buf_l, printing_menu.temp1, (int)thermalManager.degHotend(0), (int)thermalManager.degTargetHotend(0));
+  sprintf(public_buf_l, printing_menu.temp1, thermalManager.degHotend(0), thermalManager.degTargetHotend(0));
   lv_label_set_text(labelExt1, public_buf_l);
 
   #if HAS_MULTI_EXTRUDER
-    sprintf(public_buf_l, printing_menu.temp1, (int)thermalManager.degHotend(1), (int)thermalManager.degTargetHotend(1));
+    sprintf(public_buf_l, printing_menu.temp1, thermalManager.degHotend(1), thermalManager.degTargetHotend(1));
     lv_label_set_text(labelExt2, public_buf_l);
   #endif
 }
 
 void disp_bed_temp() {
   #if HAS_HEATED_BED
-    sprintf(public_buf_l, printing_menu.bed_temp, (int)thermalManager.temp_bed.celsius, (int)thermalManager.temp_bed.target);
+    sprintf(public_buf_l, printing_menu.bed_temp, thermalManager.degBed(), thermalManager.degTargetBed());
     lv_label_set_text(labelBed, public_buf_l);
   #endif
 }

Marlin/src/lcd/extui/lib/mks_ui/draw_ready_print.cpp

   uint8_t curent_disp_ui = 0;
 #endif
 
-enum { ID_TOOL = 1, ID_SET, ID_PRINT };
+enum { ID_TOOL = 1, ID_SET, ID_PRINT, ID_INFO_EXT, ID_INFO_BED, ID_INFO_FAN };
 
 static void event_handler(lv_obj_t *obj, lv_event_t event) {
   if (event != LV_EVENT_RELEASED) return;
   switch (obj->mks_obj_id) {
     case ID_TOOL:   lv_draw_tool(); break;
     case ID_SET:    lv_draw_set(); break;
+    case ID_INFO_EXT:  uiCfg.curTempType = 0; lv_draw_preHeat(); break;
+    case ID_INFO_BED:  uiCfg.curTempType = 1; lv_draw_preHeat(); break;
+    case ID_INFO_FAN:  lv_draw_fan(); break;
     case ID_PRINT:  lv_draw_print_file(); break;
   }
 }
     lv_big_button_create(scr, "F:/bmp_printing.bin", main_menu.print, 340, 180, event_handler, ID_PRINT);
 
     // Monitoring
-    lv_obj_t *buttonExt1 = lv_img_create(scr, NULL);
+    lv_obj_t *buttonExt1 = lv_big_button_create(scr, "F:/bmp_ext1_state.bin", " ", 55, ICON_POS_Y, event_handler, ID_INFO_EXT);
     #if HAS_MULTI_EXTRUDER
-      lv_obj_t *buttonExt2 = lv_img_create(scr, NULL);
+        lv_obj_t *buttonExt2 = lv_big_button_create(scr, "F:/bmp_ext2_state.bin", " ", 55, ICON_POS_Y + SECOND_EXT_MOD_Y, event_handler, ID_INFO_EXT);
     #endif
     #if HAS_HEATED_BED
-      lv_obj_t *buttonBedstate = lv_img_create(scr, NULL);
+        lv_obj_t *buttonBedstate = lv_big_button_create(scr, "F:/bmp_bed_state.bin", " ", 210, ICON_POS_Y, event_handler, ID_INFO_BED);
     #endif
-    lv_obj_t *buttonFanstate = lv_img_create(scr, NULL);
-
-    lv_img_set_src(buttonExt1, "F:/bmp_ext1_state.bin");
-    #if HAS_MULTI_EXTRUDER
-      lv_img_set_src(buttonExt2, "F:/bmp_ext2_state.bin");
-    #endif
-    #if HAS_HEATED_BED
-      lv_img_set_src(buttonBedstate, "F:/bmp_bed_state.bin");
-    #endif
-    lv_img_set_src(buttonFanstate, "F:/bmp_fan_state.bin");
-
-    lv_obj_set_pos(buttonExt1, 55, ICON_POS_Y);
-    #if HAS_MULTI_EXTRUDER
-      lv_obj_set_pos(buttonExt2, 55, ICON_POS_Y + SECOND_EXT_MOD_Y);
-    #endif
-    #if HAS_HEATED_BED
-      lv_obj_set_pos(buttonBedstate, 210, ICON_POS_Y);
-    #endif
-    lv_obj_set_pos(buttonFanstate, 380, ICON_POS_Y);
+    lv_obj_t *buttonFanstate = lv_big_button_create(scr, "F:/bmp_fan_state.bin", " ", 380, ICON_POS_Y, event_handler, ID_INFO_FAN);
 
     labelExt1 = lv_label_create(scr, 55, LABEL_MOD_Y, nullptr);
     labelExt1Target = lv_label_create(scr, 55, LABEL_MOD_Y, nullptr);
   #endif
 }
 
+void lv_temp_refr() {
+  #if HAS_HEATED_BED
+    sprintf(public_buf_l, printing_menu.bed_temp, thermalManager.degBed(), thermalManager.degTargetBed());
+    lv_label_set_text(labelBed, public_buf_l);
+  #endif
+
+  sprintf(public_buf_l, printing_menu.temp1, thermalManager.degHotend(0), thermalManager.degTargetHotend(0));
+  lv_label_set_text(labelExt1, public_buf_l);
+
+  #if HAS_MULTI_EXTRUDER
+    sprintf(public_buf_l, printing_menu.temp1, thermalManager.degHotend(1), thermalManager.degTargetHotend(1));
+    lv_label_set_text(labelExt2, public_buf_l);
+  #endif
+}
+
 void lv_clear_ready_print() {
   #if HAS_ROTARY_ENCODER
     if (gCfgItems.encoder_enable) lv_group_remove_all_objs(g);

Marlin/src/lcd/extui/lib/mks_ui/draw_ready_print.h

 extern void disp_det_error();
 extern void disp_det_ok();
 extern void lv_clear_ready_print();
+extern void lv_temp_refr();
 
 #ifdef __cplusplus
   } /* C-declarations for C++ */

Marlin/src/lcd/extui/lib/mks_ui/draw_ui.cpp

       }
       break;
     case PRINT_READY_UI:
+      if (temps_update_flag) {
+        temps_update_flag = false;
+        lv_temp_refr();
+      }
       break;
 
     case PRINT_FILE_UI: break;
     #if ENABLED(MKS_WIFI_MODULE)
       case WIFI_UI:
         if (temps_update_flag) {
-          disp_wifi_state();
           temps_update_flag = false;
+          disp_wifi_state();
         }
         break;
 

Marlin/src/lcd/extui/lib/mks_ui/wifi_module.cpp

             strcpy_P(outBuf, PSTR(" B:"));
             outBuf += 3;
             #if HAS_HEATED_BED
-              strcpy(outBuf, dtostrf(thermalManager.temp_bed.celsius, 1, 1, str_1));
+              strcpy(outBuf, dtostrf(thermalManager.degBed(), 1, 1, str_1));
               strcat_P(outBuf, PSTR(" /"));
-              strcat(outBuf, dtostrf(thermalManager.temp_bed.target, 1, 1, str_1));
+              strcat(outBuf, dtostrf(thermalManager.degTargetBed(), 1, 1, str_1));
             #else
               strcpy_P(outBuf, PSTR("0 /0"));
             #endif
           }
           else {
             sprintf_P((char *)tempBuf, PSTR("T:%d /%d B:%d /%d T0:%d /%d T1:%d /%d @:0 B@:0\r\n"),
-              (int)thermalManager.degHotend(0), (int)thermalManager.degTargetHotend(0),
+              thermalManager.degHotend(0), thermalManager.degTargetHotend(0),
               #if HAS_HEATED_BED
-                (int)thermalManager.temp_bed.celsius, (int)thermalManager.temp_bed.target,
+                thermalManager.degBed(), thermalManager.degTargetBed(),
               #else
                 0, 0,
               #endif
-              (int)thermalManager.degHotend(0), (int)thermalManager.degTargetHotend(0),
+              thermalManager.degHotend(0), thermalManager.degTargetHotend(0),
               #if HAS_MULTI_HOTEND
-                (int)thermalManager.degHotend(1), (int)thermalManager.degTargetHotend(1)
+                thermalManager.degHotend(1), thermalManager.degTargetHotend(1)
               #else
                 0, 0
               #endif