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Support for extended underline styles on terminals which offer them,

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enabled by adding the Smulx capability with terminal-overrides (add
something like ',vte*:Smulx=\E[4\:%p1%dm'). GitHub issue 1492.
This commit is contained in:
nicm
2018-10-18 07:57:57 +00:00
parent f7c85f3ed8
commit bc0e527f32
7 changed files with 162 additions and 43 deletions
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48
tty-term.c
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@ -253,6 +253,7 @@ static const struct tty_term_code_entry tty_term_codes[] = {
[TTYC_SMCUP] = { TTYCODE_STRING, "smcup" },
[TTYC_SMKX] = { TTYCODE_STRING, "smkx" },
[TTYC_SMSO] = { TTYCODE_STRING, "smso" },
[TTYC_SMULX] = { TTYCODE_STRING, "Smulx" },
[TTYC_SMUL] = { TTYCODE_STRING, "smul" },
[TTYC_SMXX] = { TTYCODE_STRING, "smxx" },
[TTYC_SS] = { TTYCODE_STRING, "Ss" },
@ -299,25 +300,53 @@ tty_term_strip(const char *s)
return (xstrdup(buf));
}
static char *
tty_term_override_next(const char *s, size_t *offset)
{
static char value[BUFSIZ];
size_t n = 0, at = *offset;
if (s[at] == '\0')
return (NULL);
while (s[at] != '\0') {
if (s[at] == ':') {
if (s[at + 1] == ':') {
value[n++] = ':';
at += 2;
} else
break;
} else {
value[n++] = s[at];
at++;
}
if (n == (sizeof value) - 1)
return (NULL);
}
if (s[at] != '\0')
*offset = at + 1;
else
*offset = at;
value[n] = '\0';
return (value);
}
static void
tty_term_override(struct tty_term *term, const char *override)
{
const struct tty_term_code_entry *ent;
struct tty_code *code;
char *next, *s, *copy, *cp, *value;
size_t offset = 0;
char *cp, *value, *s;
const char *errstr;
u_int i;
int n, remove;
copy = next = xstrdup(override);
s = strsep(&next, ":");
if (s == NULL || next == NULL || fnmatch(s, term->name, 0) != 0) {
free(copy);
s = tty_term_override_next(override, &offset);
if (s == NULL || fnmatch(s, term->name, 0) != 0)
return;
}
while ((s = strsep(&next, ":")) != NULL) {
while ((s = tty_term_override_next(override, &offset)) != NULL) {
if (*s == '\0')
continue;
value = NULL;
@ -338,6 +367,8 @@ tty_term_override(struct tty_term *term, const char *override)
if (remove)
log_debug("%s override: %s@", term->name, s);
else if (*value == '\0')
log_debug("%s override: %s", term->name, s);
else
log_debug("%s override: %s=%s", term->name, s, value);
@ -376,7 +407,6 @@ tty_term_override(struct tty_term *term, const char *override)
free(value);
}
free(s);
}
struct tty_term *