Add tweaks to Line Numbers in config.txt.

- ShowLineNumbersSeparator will separate the line numbers panel from the main text are with CHR$(179);
- ShowLineNumbersUseBG will use the same color assigned to current line highlight in the line numbers panel.

source/global/IDEsettings.bas

@@ -12,6 +12,7 @@ DIM SHARED MouseButtonSwapped AS _BYTE
 DIM SHARED PasteCursorAtEnd AS _BYTE
 DIM SHARED SaveExeWithSource AS _BYTE
 DIM SHARED IDEShowErrorsImmediately AS _BYTE
+DIM SHARED ShowLineNumbersSeparator AS _BYTE, ShowLineNumbersUseBG AS _BYTE
 
 IF LoadedIDESettings = 0 THEN
     'We only want to load the file once when QB64 first starts
@@ -204,6 +205,32 @@ IF LoadedIDESettings = 0 THEN
         ShowLineNumbers = 0
     END IF
 
+    result = ReadConfigSetting("ShowLineNumbersSeparator", value$)
+    IF result THEN
+        IF value$ = "TRUE" OR VAL(value$) = -1 THEN
+            ShowLineNumbersSeparator = -1
+        ELSE
+            ShowLineNumbersSeparator = 0
+            WriteConfigSetting "'[GENERAL SETTINGS]", "ShowLineNumbersSeparator", "FALSE"
+        END IF
+    ELSE
+        WriteConfigSetting "'[GENERAL SETTINGS]", "ShowLineNumbersSeparator", "TRUE"
+        ShowLineNumbersSeparator = -1
+    END IF
+
+    result = ReadConfigSetting("ShowLineNumbersUseBG", value$)
+    IF result THEN
+        IF value$ = "TRUE" OR VAL(value$) = -1 THEN
+            ShowLineNumbersUseBG = -1
+        ELSE
+            ShowLineNumbersUseBG = 0
+            WriteConfigSetting "'[GENERAL SETTINGS]", "ShowLineNumbersUseBG", "FALSE"
+        END IF
+    ELSE
+        WriteConfigSetting "'[GENERAL SETTINGS]", "ShowLineNumbersUseBG", "TRUE"
+        ShowLineNumbersUseBG = -1
+    END IF
+
     result = ReadConfigSetting("BracketHighlight", value$)
     IF result THEN
         IF value$ = "TRUE" OR VAL(value$) = -1 THEN

source/ide/ide_methods.bas

@@ -8258,16 +8258,16 @@ SUB ideshowtext
         PRINT CHR$(179); 'clear prev bookmarks from lhs
 
         IF ShowLineNumbers THEN
-            COLOR , 6
-            'IF l = idecy THEN COLOR , 6
+            IF ShowLineNumbersUseBG THEN COLOR , 6
             PRINT SPACE$(maxLineNumberLength);
             IF l <= iden THEN
                 l2$ = STR$(l)
                 IF POS(1) - (LEN(l2$) + 1) >= 2 THEN
                     LOCATE y + 3, POS(1) - (LEN(l2$) + 1)
-                    PRINT l2$; 'CHR$(179);
+                    PRINT l2$;
                 END IF
             END IF
+            IF ShowLineNumbersSeparator THEN LOCATE y + 3, 1 + maxLineNumberLength: PRINT CHR$(179);
             COLOR , 1
         END IF