[PATCH] Cygwin: console: Fix IL/DL escape sequence on the last line.
Takashi Yano
takashi.yano@nifty.ne.jp
Thu Feb 3 12:18:18 GMT 2022
- Currently, escape sequence IL/DL (CSI Ps L, CSI Ps M) does not
work correctly at the last (bottom end) line. This patch fixes
the issue.
Addresses:
https://cygwin.com/pipermail/cygwin/2022-February/250736.html
---
winsup/cygwin/fhandler_console.cc | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/winsup/cygwin/fhandler_console.cc b/winsup/cygwin/fhandler_console.cc
index 0e4b41559..fa5d7ce9c 100644
--- a/winsup/cygwin/fhandler_console.cc
+++ b/winsup/cygwin/fhandler_console.cc
@@ -2174,6 +2174,12 @@ fhandler_console::char_command (char c)
cursor_get (&x, &y);
if (y < srTop || y > srBottom)
break;
+ if (y == con.b.srWindow.Bottom)
+ {
+ WriteConsoleW (get_output_handle (), L"\033[2K", 4, 0, 0);
+ wpbuf.empty ();
+ break;
+ }
if (y == con.b.srWindow.Top
&& srBottom == con.b.srWindow.Bottom)
{
@@ -2213,6 +2219,12 @@ fhandler_console::char_command (char c)
cursor_get (&x, &y);
if (y < srTop || y > srBottom)
break;
+ if (y == con.b.srWindow.Bottom)
+ {
+ WriteConsoleW (get_output_handle (), L"\033[2K", 4, 0, 0);
+ wpbuf.empty ();
+ break;
+ }
__small_swprintf (bufw, L"\033[%d;%dr",
y + 1 - con.b.srWindow.Top,
srBottom + 1 - con.b.srWindow.Top);
--
2.34.1
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