Skip "\ESC...\STX" sequences when printing output in the terminal-sty…

…le Win32 backend.
mpilgrem · Sep 10, 2010 · f827f10 · f827f10
1 parent 25fe300
commit f827f10
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/System/Console/Haskeline/Backend/Win32.hsc b/System/Console/Haskeline/Backend/Win32.hsc
@@ -291,7 +291,9 @@ crlf :: String
 crlf = "\r\n"
 
 instance (MonadException m, MonadReader Layout m) => Term (Draw m) where
-    drawLineDiff = drawLineDiffWin
+    drawLineDiff (xs1,ys1) (xs2,ys2) = let
+        fixEsc = filter ((/= '\ESC') . baseChar)
+        in drawLineDiffWin (fixEsc xs1, fixEsc ys1) (fixEsc xs2, fixEsc ys2)
     -- TODO now that we capture resize events.
     -- first, looks like the cursor stays on the same line but jumps
     -- to the beginning if cut off.