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authorP. J. McDermott <pj@pehjota.net>2015-10-28 23:49:42 (EDT)
committer P. J. McDermott <pj@pehjota.net>2015-10-28 23:55:07 (EDT)
commitabed96862ae06b59d07876b469586795860a3504 (patch)
tree2272978e09d2b6ed563244f644acba8f54f00b0d /src
parent89332994eb38982a8bd04ccc008bc5aba0c58908 (diff)
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term_getch(): Handle KEY_BACKSPACE and KEY_DEL
Also simplify invalid key code handling.
Diffstat (limited to 'src')
-rw-r--r--src/term.sh35
1 files changed, 26 insertions, 9 deletions
diff --git a/src/term.sh b/src/term.sh
index 99487eb..daf2647 100644
--- a/src/term.sh
+++ b/src/term.sh
@@ -270,29 +270,46 @@ _term_get_byte()
return 0
}
+_term_get_escseq()
+{
+ local key=KEY_INVALID
+
+ _term_get_byte
+ case "${term_byte}" in
+ 'A') key=KEY_UP;;
+ 'B') key=KEY_DOWN;;
+ 'C') key=KEY_RIGHT;;
+ 'D') key=KEY_LEFT;;
+ '3')
+ _term_get_byte
+ case "${term_byte}" in
+ '~') key=KEY_DEL;;
+ esac
+ ;;
+ esac
+
+ printf '%s' "${key}"
+ return 0
+}
+
term_getch()
{
+ local key=KEY_INVALID
+
_term_get_byte
case "${term_byte}" in
"$(printf '\033')")
_term_get_byte
case "${term_byte}" in
'[')
- _term_get_byte
- case "${term_byte}" in
- 'A') key=KEY_UP;;
- 'B') key=KEY_DOWN;;
- 'C') key=KEY_RIGHT;;
- 'D') key=KEY_LEFT;;
- *) key=KEY_INV;;
- esac
+ key="$(_term_get_escseq)"
;;
- *) key=KEY_INV;;
esac
;;
' ') key=KEY_SPACE;;
"${HT}") key=KEY_TAB;;
"$(printf '\015')") key=KEY_ENTER;;
+ "$(printf '\177')") key=KEY_BACKSPACE;;
*) key="${term_byte}";;
esac