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Modify escape of ^ key so it can be used as well as Ctrl+^

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Fixes FS#721

This makes Ctrl+^ and ^ bindable again as different keys. We do this
by escaping single `^` as `^-`, which is not a valid control character
(unlike `^^`)

The original approach suggested in FS#721 is insufficient, it will
break bindings such as `meta-^` because Irssi is convinced that `^`
introduces a Control-key ("key combo") so it is waiting for what may
follow.
This commit is contained in:
Ailin Nemui 2014-07-28 13:58:13 +02:00
commit 09f23d06b5
2 changed files with 11 additions and 5 deletions
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16
src/fe-common/core/keyboard.c
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@ -292,12 +292,18 @@ static int expand_key(const char *key, GSList **out)
}
last_hyphen = !last_hyphen;
} else if (*key == '^') {
/* ctrl-code */
if (key[1] != '\0')
key++;
expand_out_char(*out, '^');
expand_out_char(*out, *key);
/* ctrl-code */
if (key[1] != '\0' && key[1] != '-') {
key++;
expand_out_char(*out, *key);
}
else {
/* escaped syntax for ^, see gui-readline.c */
expand_out_char(*out, '-');
}
expand_out_char(*out, '-');
last_hyphen = FALSE; /* optional */
} else if (last_hyphen && i_isalpha(*key)) {