add some more control codes - lchat - A line oriented chat front end for ii.
(HTM) git clone git://git.suckless.org/lchat
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---
(DIR) commit c2233eb6bae4c356cd92d71b9173bd3c62fed00e
(DIR) parent 5ee1873a1ec3bc220efc5e1d1203b6fec97b8b71
(HTM) Author: shuall <shualloret@gmail.com>
Date: Tue, 18 Jul 2017 20:37:40 -0400
add some more control codes
Using st, and these are more for my own convenience.
I'm not sure how they translate to other terminals.
- ctrl+u sends NAK, so clear line on NAK
- home and end don't send 'home' and 'end' vt100 codes,
they send \033[7~ and \033[8~ respectively
Diffstat:
M slackline.c | 33 +++++++++++++++++++++++++++++++
M slackline.h | 3 ++-
2 files changed, 35 insertions(+), 1 deletion(-)
---
(DIR) diff --git a/slackline.c b/slackline.c
@@ -157,9 +157,39 @@ sl_keystroke(struct slackline *sl, int key)
sl->last -= ncur - sl->ptr;
*sl->last = '\0';
break;
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ sl->nummod = key;
+ sl->esc = ESC_BRACKET_NUM;
+ return 0;
}
sl->esc = ESC_NONE;
return 0;
+ case ESC_BRACKET_NUM:
+ switch(key) {
+ case '~':
+ switch(sl->nummod) {
+ case '7':
+ sl->bcur = sl->rcur = 0;
+ sl->ptr = sl->buf;
+ break;
+ case '8':
+ sl->rcur = sl->rlen;
+ sl->bcur = sl_postobyte(sl, sl->rcur);
+ sl->ptr = sl->buf + sl->bcur;
+ break;
+ }
+ sl->esc = ESC_NONE;
+ return 0;
+ }
}
/* handle ctl keys */
@@ -188,6 +218,9 @@ sl_keystroke(struct slackline *sl, int key)
sl->ptr = ncur;
return 0;
+ case 21: /* ctrl+u or clearline, weird that it's a NAK */
+ sl_reset(sl);
+ return 0;
}
/* byte-wise composing of UTF-8 runes */
(DIR) diff --git a/slackline.h b/slackline.h
@@ -3,7 +3,7 @@
#include <stdbool.h>
-enum esc_seq {ESC_NONE, ESC, ESC_BRACKET};
+enum esc_seq {ESC_NONE, ESC, ESC_BRACKET, ESC_BRACKET_NUM};
struct slackline {
/* buffer */
@@ -21,6 +21,7 @@ struct slackline {
size_t rlen; /* amount of runes */
enum esc_seq esc;
+ char nummod;
/* UTF-8 handling */
char ubuf[6]; /* UTF-8 buffer */