lchat

commit 9778b6b675462220fa133aa7a13fe8e5d45be6d1
parent e413932d58bda64d7e9e34ca1e455d13bad17a3e
Author: Tom Schwindl <schwindl@posteo.de>
Date:   Mon,  6 Feb 2023 15:42:58 +0100

slackline: ctrl+w: stop deleting when certain characters occur

Diffstat:
M
slackline.c
 | 
7
+++++--

1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/slackline.c b/slackline.c
@@ -26,6 +26,9 @@
 #include "slackline.h"
 #include "util.h"
 
+/* CTRL+W: stop erasing if certain characters are reached. */
+#define IS_WORD_BREAK "\f\n\r\t\v (){}[]\\/#,.=-+|%$!@^&*"
+
 struct slackline *
 sl_init(void)
 {
@@ -165,9 +168,9 @@ sl_default(struct slackline *sl, int key)
 		sl_reset(sl);
 		break;
 	case CTRL_W: /* erase previous word */
-		while (sl->rcur != 0 && isspace((unsigned char) *(sl->ptr-1)))
+		while (sl->rcur != 0 && strchr(IS_WORD_BREAK, *(sl->ptr-1)) != NULL)
 			sl_backspace(sl);
-		while (sl->rcur != 0 && !isspace((unsigned char) *(sl->ptr-1)))
+		while (sl->rcur != 0 && strchr(IS_WORD_BREAK, *(sl->ptr-1)) == NULL)
 			sl_backspace(sl);
 		break;
 	case BACKSPACE: