From ff88387916798c50392e4042138d500e15258573 Mon Sep 17 00:00:00 2001
From: Knutwurst <36196269+knutwurst@users.noreply.github.com>
Date: Fri, 4 Feb 2022 23:36:04 +0100
Subject: [PATCH] Remove 8+3 filename crap when usind longer files on Anycubic
 0.0.2 Display. It's now cut off at 26 characters but still displayed.

---
 Marlin/src/lcd/anycubic_touchscreen.cpp | 38 ++++++++++++++++---------
 Marlin/src/lcd/anycubic_touchscreen.h   |  2 +-
 2 files changed, 26 insertions(+), 14 deletions(-)

diff --git a/Marlin/src/lcd/anycubic_touchscreen.cpp b/Marlin/src/lcd/anycubic_touchscreen.cpp
index 38c4c518..b554819b 100755
--- a/Marlin/src/lcd/anycubic_touchscreen.cpp
+++ b/Marlin/src/lcd/anycubic_touchscreen.cpp
@@ -1177,17 +1177,22 @@ void AnycubicTouchscreenClass::PrintList() {
       else {
         card.selectFileByIndex(count - 1);
 
-        // Bugfix for non-printable special characters
-        // which are now replaced by underscores.
         int fileNameLen = strlen(card.longFilename);
+        bool fileNameWasCut = false;
 
         // Cut off too long filenames.
-        // They don't fit on the screen anyways.
-        //if (fileNameLen > MAX_PRINTABLE_FILENAME_LEN)
-        //  fileNameLen = MAX_PRINTABLE_FILENAME_LEN;
+        // They don't fit on the screen anyway.
+        #if ENABLED(KNUTWURST_DGUS2_TFT)
+          if (fileNameLen >= MAX_PRINTABLE_FILENAME_LEN) {
+            fileNameWasCut = true;
+            fileNameLen = MAX_PRINTABLE_FILENAME_LEN;
+          } 
+        #endif
 
         char outputString[fileNameLen];
 
+        // Bugfix for non-printable special characters
+        // which are now replaced by underscores.
         for (unsigned char i = 0; i <= fileNameLen; i++) {
           if (i >= fileNameLen) {
             outputString[i] = ' ';
@@ -1200,6 +1205,17 @@ void AnycubicTouchscreenClass::PrintList() {
           }
         }
 
+        // I know, it's ugly, but it's faster than a string lib
+        if(fileNameWasCut) {
+            outputString[fileNameLen-7] = '~';
+            outputString[fileNameLen-6] = '.';
+            outputString[fileNameLen-5] = 'g';
+            outputString[fileNameLen-4] = 'c';
+            outputString[fileNameLen-3] = 'o';
+            outputString[fileNameLen-2] = 'd';
+            outputString[fileNameLen-1] = 'e';
+        }
+
         outputString[fileNameLen] = '\0';
 
         if (card.flag.filenameIsDir) {
@@ -1210,20 +1226,16 @@ void AnycubicTouchscreenClass::PrintList() {
             HARDWARE_SERIAL_PROTOCOLPGM("/");
             HARDWARE_SERIAL_PROTOCOL(outputString);
             HARDWARE_SERIAL_PROTOCOLLNPGM(".gcode");
-            SERIAL_ECHO(count);
-            SERIAL_ECHOPGM(": /");
-            SERIAL_ECHOLN(outputString);
           #else
             HARDWARE_SERIAL_PROTOCOL("/");
             HARDWARE_SERIAL_PROTOCOLLN(card.filename);
             HARDWARE_SERIAL_PROTOCOL("/");
             HARDWARE_SERIAL_PROTOCOLLN(outputString);
-            SERIAL_ECHO(count);
-            SERIAL_ECHOPGM(": /");
-            SERIAL_ECHOLN(outputString);
           #endif
-        }
-        else {
+          SERIAL_ECHO(count);
+          SERIAL_ECHOPGM(": /");
+          SERIAL_ECHOLN(outputString);
+        } else {
           HARDWARE_SERIAL_PROTOCOLLN(card.filename);
           HARDWARE_SERIAL_PROTOCOLLN(outputString);
           SERIAL_ECHO(count);
diff --git a/Marlin/src/lcd/anycubic_touchscreen.h b/Marlin/src/lcd/anycubic_touchscreen.h
index 961ce981..acb9ad0c 100755
--- a/Marlin/src/lcd/anycubic_touchscreen.h
+++ b/Marlin/src/lcd/anycubic_touchscreen.h
@@ -46,7 +46,7 @@ char *ftostr32(const float &);
 #define TFTBUFSIZE 4
 #define TFT_MAX_CMD_SIZE 96
 #define MSG_MY_VERSION CUSTOM_BUILD_VERSION
-#define MAX_PRINTABLE_FILENAME_LEN 30
+#define MAX_PRINTABLE_FILENAME_LEN 26
 
 #if ENABLED(KNUTWURST_CHIRON)
   #define FILAMENT_RUNOUT_PIN 33