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vt: handle up to two private characters

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Daniel Eklöf 2019-07-19 09:56:59 +02:00
parent a5737a63b8
commit 24e9477174
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GPG key ID: 5BBD4992C116573F
3 changed files with 24 additions and 13 deletions
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23
vt.c
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@ -573,8 +573,11 @@ esc_as_string(struct terminal *term, uint8_t final)
static char msg[1024];
int c = snprintf(msg, sizeof(msg), "\\E");
if (term->vt.private != 0)
c += snprintf(&msg[c], sizeof(msg) - c, "%c", term->vt.private);
for (size_t i = 0; i < sizeof(term->vt.private) / sizeof(term->vt.private[0]); i++) {
if (term->vt.private[i] == 0)
break;
c += snprintf(&msg[c], sizeof(msg) - c, "%c", term->vt.private[i]);
}
assert(term->vt.params.idx == 0);
@ -605,7 +608,7 @@ esc_dispatch(struct terminal *term, uint8_t final)
case 'B': {
/* Configure G0-G3 to use ASCII */
char param = term->vt.private != 0 ? term->vt.private : '(';
char param = term->vt.private[0] != 0 ? term->vt.private[0] : '(';
switch (param) {
case '(': term->charset[0] = CHARSET_ASCII; break;
@ -650,7 +653,7 @@ esc_dispatch(struct terminal *term, uint8_t final)
case '0': {
/* Configure G0-G3 to use special chars + line drawing */
char param = term->vt.private != 0 ? term->vt.private : '(';
char param = term->vt.private[0] != 0 ? term->vt.private[0] : '(';
switch (param) {
case '(': term->charset[0] = CHARSET_GRAPHIC; break;
@ -854,7 +857,8 @@ action(struct terminal *term, enum action _action, uint8_t c)
case ACTION_CLEAR:
memset(&term->vt.params, 0, sizeof(term->vt.params));
term->vt.private = 0;
term->vt.private[0] = 0;
term->vt.private[1] = 0;
term->vt.osc.idx = 0;
term->vt.utf8.idx = 0;
break;
@ -890,11 +894,14 @@ action(struct terminal *term, enum action _action, uint8_t c)
case ACTION_COLLECT:
LOG_DBG("collect");
if (term->vt.private != 0) {
LOG_ERR("only one private/intermediate characters supported");
if (term->vt.private[0] == 0)
term->vt.private[0] = c;
else if (term->vt.private[1] == 0)
term->vt.private[1] = c;
else {
LOG_ERR("only two private/intermediate characters supported");
abort();
}
term->vt.private = c;
break;
case ACTION_ESC_DISPATCH: