From a91c2b7552139cdd7caba9089162f4bb15edf96c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Sat, 7 Nov 2020 01:02:04 +0100
Subject: write key used to choose item to stdout

---
 lst.c | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/lst.c b/lst.c
index bbc5081..2385e59 100644
--- a/lst.c
+++ b/lst.c
@@ -105,8 +105,10 @@ int left() {}
 
 int main() {
 	char c, *line, *p, *phrase, *tmp;
-	int i, line_s, r;
+	int i, key, line_s, r;
 	struct winsize w;
+
+	key = -1;
 	phrase = NULL;
 
 	ttyfd = open("/dev/tty", O_RDWR);
@@ -173,10 +175,7 @@ int main() {
 
 	while (read(ttyfd, &c, 1) != 0) {
 		switch (c) {
-		case 'q':
-			goto quit;
-			break;
-		case '\033':
+		case '\033': /* escape */
 			read(ttyfd, &c, 1);
 			if (c != '[') break;
 			read(ttyfd, &c, 1);
@@ -185,15 +184,24 @@ int main() {
 			if (c == 'C') right();
 			if (c == 'D') left();
 			break;
-		case 13: /* enter */
-			phrase = lines[current - 1];
+		case 3: /* ctrl-c */
 			goto quit;
+			break;
+		default:
+			phrase = lines[current - 1];
+			key = c;
+			goto choose;
 		}
 	}
 quit:
+	key = -1;
+	phrase = NULL;
+choose:
 	prn("%s%d;%dH", CSI, y, x);
 	prn(CSI "J"); /* delete from cursor to end of display (ED) */
 	raw(false);
+	if (key != -1)
+		printf("%d\n", key);
 	if (phrase != NULL)
 		printf("%s\n", phrase);
 	return 0;
-- 
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