nano

commit 2cf28f9db7566d2415d2679d0d4c3ffb8bee5411
parent 36ffb5f0ac6e8eeaa8ab085445d572aa6d87b0ad
Author: Benno Schulenberg <bensberg@telfort.nl>
Date:   Mon, 10 May 2021 12:17:35 +0200

statusbar: suppress the cursor when the terminal has just one row

When showing a message on the status bar, the cursor should be off.

This fixes https://savannah.gnu.org/bugs/?60510.

Bug existed since version 2.7.0, since nano allows very flat terminals.

Diffstat:
M
src/winio.c
 | 
11
++++++++++-

1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/src/winio.c b/src/winio.c
@@ -182,10 +182,14 @@ void read_keys_from(WINDOW *win)
 	bool timed = FALSE;
 #endif
 
+	/* On a one-row terminal, overwrite an unimportant message. */
+	if (LINES == 1 && currmenu == MMAIN && lastmessage == HUSH)
+		edit_refresh();
+
 	/* Before reading the first keycode, display any pending screen updates. */
 	doupdate();
 
-	if (reveal_cursor && !hide_cursor)
+	if (reveal_cursor && !hide_cursor && (LINES > 1 || lastmessage <= HUSH))
 		curs_set(1);
 
 #ifndef NANO_TINY
@@ -2245,6 +2249,11 @@ void statusline(message_type importance, const char *msg, ...)
 	if (importance < lastmessage && lastmessage > NOTICE)
 		return;
 
+	/* On a one-row terminal, ensure that any changes in the edit window are
+	 * written out first, to prevent them from overwriting the message. */
+	if (LINES == 1 && importance < INFO)
+		wnoutrefresh(edit);
+
 	/* Construct the message out of all the arguments. */
 	compound = nmalloc(MAXCHARLEN * COLS + 1);
 	va_start(ap, msg);