winansi: support ESC [ K (erase in line)

dscho · gitster · commit 1897713fbd96 · 2009-03-10T23:23:02.000-07:00
Signed-off-by: Johannes Schindelin &lt;johannes.schindelin@gmx.de&gt;
Signed-off-by: Johannes Sixt &lt;j6t@kdbg.org&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/compat/winansi.c b/compat/winansi.c
@@ -18,8 +18,6 @@
 
  This file is git-specific. Therefore, this file does not attempt
  to implement any codes that are not used by git.
-
- TODO: K
 */
 
 static HANDLE console;
@@ -79,6 +77,20 @@ static void set_console_attr(void)
 	SetConsoleTextAttribute(console, attributes);
 }
 
+static void erase_in_line(void)
+{
+	CONSOLE_SCREEN_BUFFER_INFO sbi;
+
+	if (!console)
+		return;
+
+	GetConsoleScreenBufferInfo(console, &sbi);
+	FillConsoleOutputCharacterA(console, ' ',
+		sbi.dwSize.X - sbi.dwCursorPosition.X, sbi.dwCursorPosition,
+		NULL);
+}
+
+
 static const char *set_attr(const char *str)
 {
 	const char *func;
@@ -218,7 +230,7 @@ static const char *set_attr(const char *str)
 		set_console_attr();
 		break;
 	case 'K':
-		/* TODO */
+		erase_in_line();
 		break;
 	default:
 		/* Unsupported code */
