Fix Progress Display

Marlin/src/lcd/dogm/status_screen_DOGM.cpp

@@ -347,9 +347,16 @@ void MarlinUI::draw_status_screen() {
     static uint8_t lastElapsed = 0, elapsed_x_pos = 0;
     static char elapsed_string[16];
     #if ENABLED(SHOW_REMAINING_TIME)
-      #define SHOW_REMAINING_TIME_PREFIX 'E'
+      #define SHOW_REMAINING_TIME_PREFIX 'R'
       static uint8_t estimation_x_pos = 0;
       static char estimation_string[10];
+      #if ENABLED(DOGM_SD_PERCENT)
+        #define PROGRESS_TIME_PREFIX 'P'
+        #define ELAPSED_TIME_PREFIX 'E'
+        static uint8_t progress_x_pos = 0;
+        static uint8_t progress_state = 0;
+        static bool prev_blink = 0;
+      #endif
     #endif
   #endif
 
@@ -401,6 +408,9 @@ void MarlinUI::draw_status_screen() {
               ui8tostr3(progress / (PROGRESS_SCALE))
             #endif
           ));
+          #if ENABLED(SHOW_REMAINING_TIME) // Tristate progress display mode
+            progress_x_pos = _SD_DURATION_X(strlen(progress_string)+1);
+          #endif
         #endif
       }
 
@@ -415,7 +425,11 @@ void MarlinUI::draw_status_screen() {
             duration_t estimation = elapsed.value * (100 * (PROGRESS_SCALE) - progress) / progress;
             const bool has_days = (estimation.value >= 60*60*24L);
             const uint8_t len = estimation.toDigital(estimation_string, has_days);
-            estimation_x_pos = _SD_DURATION_X(len + 1);
+            #if ENABLED(DOGM_SD_PERCENT)
+              estimation_x_pos = _SD_DURATION_X(len);
+            #else
+              estimation_x_pos = _SD_DURATION_X(len + 2);
+            #endif
           }
         #endif
       }
@@ -563,13 +577,38 @@ void MarlinUI::draw_status_screen() {
     if (PAGE_CONTAINS(50, 51))     // 50-51 (or just 50)
       u8g.drawBox(PROGRESS_BAR_X + 1, 50, progress_bar_solid_width, 2);
 
+    if (PAGE_CONTAINS(EXTRAS_BASELINE - INFO_FONT_ASCENT, EXTRAS_BASELINE - 1)) {
+
+      #if ENABLED(DOGM_SD_PERCENT) && ENABLED(SHOW_REMAINING_TIME)
+        if (prev_blink != blink) {
+          prev_blink = blink;
+          progress_state++;
+          if (progress_state >=3) progress_state = 0;
+        }
+
+        if (progress_state == 0) {
+          if (progress_string[0] != '\0') {
+            lcd_put_wchar(PROGRESS_BAR_X, EXTRAS_BASELINE, PROGRESS_TIME_PREFIX);
+            lcd_put_u8str(progress_x_pos, EXTRAS_BASELINE, progress_string);
+            lcd_put_wchar('%');
+          }
+        }
+        else if (progress_state == 2  && estimation_string[0] != '\0') {
+          lcd_put_wchar(PROGRESS_BAR_X, EXTRAS_BASELINE, SHOW_REMAINING_TIME_PREFIX);
+          lcd_put_u8str(estimation_x_pos, EXTRAS_BASELINE, estimation_string);
+        }
+        else {
+          lcd_put_wchar(PROGRESS_BAR_X, EXTRAS_BASELINE, ELAPSED_TIME_PREFIX);
+          lcd_put_u8str(elapsed_x_pos, EXTRAS_BASELINE, elapsed_string);
+        }
+      #else
+
         //
         // SD Percent Complete
         //
 
         #if ENABLED(DOGM_SD_PERCENT)
-      if (progress_string[0] != '\0')
-        if (PAGE_CONTAINS(41, 48)) {
+          if (progress_string[0] != '\0') {
             // Percent complete
             lcd_put_u8str(55, 48, progress_string);
             lcd_put_wchar('%');
@@ -580,18 +619,18 @@ void MarlinUI::draw_status_screen() {
         // Elapsed Time
         //
 
-    if (PAGE_CONTAINS(EXTRAS_BASELINE - INFO_FONT_ASCENT, EXTRAS_BASELINE - 1)) {
-
         #if ENABLED(SHOW_REMAINING_TIME)
           if (blink && (estimation_string[0] != '\0')) {
             lcd_put_wchar(estimation_x_pos, EXTRAS_BASELINE, SHOW_REMAINING_TIME_PREFIX);
+            lcd_put_wchar(" ");
             lcd_put_u8str(estimation_string);
           }
           else
         #endif
             lcd_put_u8str(elapsed_x_pos, EXTRAS_BASELINE, elapsed_string);
-    }
 
+      #endif
+    }
   #endif // HAS_PRINT_PROGRESS
 
   //