void
tty_start_tty(struct tty *tty)
{
tty_init_termios(tty->fd, &tty->tio, tty->event);
tty_putcode(tty, TTYC_SMCUP);
tty_putcode(tty, TTYC_SGR0);
memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
tty_putcode(tty, TTYC_RMKX);
if (tty_use_acs(tty))
tty_putcode(tty, TTYC_ENACS);
tty_putcode(tty, TTYC_CLEAR);
tty_putcode(tty, TTYC_CNORM);
if (tty_term_has(tty->term, TTYC_KMOUS))
tty_puts(tty, "\033[?1000l");
if (tty_term_has(tty->term, TTYC_XT))
tty_puts(tty, "\033[>c");
tty->cx = UINT_MAX;
tty->cy = UINT_MAX;
tty->rlower = UINT_MAX;
tty->rupper = UINT_MAX;
tty->mode = MODE_CURSOR;
tty->flags |= TTY_STARTED;
tty_force_cursor_colour(tty, "");
}
void
tty_reset(struct tty *tty)
{
struct grid_cell *gc = &tty->cell;
if (memcmp(gc, &grid_default_cell, sizeof *gc) == 0)
return;
if ((gc->attr & GRID_ATTR_CHARSET) && tty_use_acs(tty))
tty_putcode(tty, TTYC_RMACS);
tty_putcode(tty, TTYC_SGR0);
memcpy(gc, &grid_default_cell, sizeof *gc);
}
void
tty_start_tty(struct tty *tty)
{
struct termios tio;
if (tty->fd == -1 || tcgetattr(tty->fd, &tty->tio) != 0)
return;
setblocking(tty->fd, 0);
bufferevent_enable(tty->event, EV_READ|EV_WRITE);
memcpy(&tio, &tty->tio, sizeof tio);
tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
tio.c_iflag |= IGNBRK;
tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|
ECHOPRT|ECHOKE|ECHOCTL|ISIG);
tio.c_cc[VMIN] = 1;
tio.c_cc[VTIME] = 0;
if (tcsetattr(tty->fd, TCSANOW, &tio) == 0)
tcflush(tty->fd, TCIOFLUSH);
tty_putcode(tty, TTYC_SMCUP);
tty_putcode(tty, TTYC_SGR0);
memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
tty_putcode(tty, TTYC_RMKX);
if (tty_use_acs(tty))
tty_putcode(tty, TTYC_ENACS);
tty_putcode(tty, TTYC_CLEAR);
tty_putcode(tty, TTYC_CNORM);
if (tty_term_has(tty->term, TTYC_KMOUS))
tty_puts(tty, "\033[?1000l");
tty->cx = UINT_MAX;
tty->cy = UINT_MAX;
tty->rlower = UINT_MAX;
tty->rupper = UINT_MAX;
tty->mode = MODE_CURSOR;
tty->flags |= TTY_STARTED;
tty_force_cursor_colour(tty, "");
}
void
tty_stop_tty(struct tty *tty)
{
struct winsize ws;
if (!(tty->flags & TTY_STARTED))
return;
tty->flags &= ~TTY_STARTED;
bufferevent_disable(tty->event, EV_READ|EV_WRITE);
/*
* Be flexible about error handling and try not kill the server just
* because the fd is invalid. Things like ssh -t can easily leave us
* with a dead tty.
*/
if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
return;
if (tcsetattr(tty->fd, TCSANOW, &tty->tio) == -1)
return;
setblocking(tty->fd, 1);
tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
if (tty_use_acs(tty))
tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
if (tty_term_has(tty->term, TTYC_CS1) && tty->cstyle != 0) {
if (tty_term_has(tty->term, TTYC_CSR1))
tty_raw(tty, tty_term_string(tty->term, TTYC_CSR1));
else
tty_raw(tty, tty_term_string1(tty->term, TTYC_CS1, 0));
}
tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
if (tty_term_has(tty->term, TTYC_KMOUS))
tty_raw(tty, "\033[?1000l");
tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
if (tty->xterm_version > 270)
tty_raw(tty, "\033[61;1\"p");
}
void
tty_start_tty(struct tty *tty)
{
tty_init_termios(tty->fd, &tty->tio, tty->event);
tty_putcode(tty, TTYC_SMCUP);
tty_putcode(tty, TTYC_SGR0);
memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
tty_putcode(tty, TTYC_RMKX);
if (tty_use_acs(tty))
tty_putcode(tty, TTYC_ENACS);
tty_putcode(tty, TTYC_CLEAR);
tty_putcode(tty, TTYC_CNORM);
if (tty_term_has(tty->term, TTYC_KMOUS))
tty_puts(tty, "\033[?1000l\033[?1002l\033[?1006l\033[?1005l");
if (tty_term_has(tty->term, TTYC_XT)) {
if (options_get_number(&global_options, "focus-events")) {
tty->flags |= TTY_FOCUS;
tty_puts(tty, "\033[?1004h");
}
tty_puts(tty, "\033[c");
}
tty->cx = UINT_MAX;
tty->cy = UINT_MAX;
tty->rlower = UINT_MAX;
tty->rupper = UINT_MAX;
tty->mode = MODE_CURSOR;
tty->flags |= TTY_STARTED;
tty_force_cursor_colour(tty, "");
tty->mouse_drag_flag = 0;
tty->mouse_drag_update = NULL;
tty->mouse_drag_release = NULL;
}
void
tty_attributes(struct tty *tty, const struct grid_cell *gc)
{
struct grid_cell *tc = &tty->cell, gc2;
u_char changed;
memcpy(&gc2, gc, sizeof gc2);
/*
* If no setab, try to use the reverse attribute as a best-effort for a
* non-default background. This is a bit of a hack but it doesn't do
* any serious harm and makes a couple of applications happier.
*/
if (!tty_term_has(tty->term, TTYC_SETAB)) {
if (gc2.attr & GRID_ATTR_REVERSE) {
if (gc2.fg != 7 && gc2.fg != 8)
gc2.attr &= ~GRID_ATTR_REVERSE;
} else {
if (gc2.bg != 0 && gc2.bg != 8)
gc2.attr |= GRID_ATTR_REVERSE;
}
}
/* Fix up the colours if necessary. */
tty_check_fg(tty, &gc2);
tty_check_bg(tty, &gc2);
/* If any bits are being cleared, reset everything. */
if (tc->attr & ~gc2.attr)
tty_reset(tty);
/*
* Set the colours. This may call tty_reset() (so it comes next) and
* may add to (NOT remove) the desired attributes by changing new_attr.
*/
tty_colours(tty, &gc2);
/* Filter out attribute bits already set. */
changed = gc2.attr & ~tc->attr;
tc->attr = gc2.attr;
/* Set the attributes. */
if (changed & GRID_ATTR_BRIGHT)
tty_putcode(tty, TTYC_BOLD);
if (changed & GRID_ATTR_DIM)
tty_putcode(tty, TTYC_DIM);
if (changed & GRID_ATTR_ITALICS)
{
if (tty_term_has(tty->term, TTYC_SITM))
tty_putcode(tty, TTYC_SITM);
else
tty_putcode(tty, TTYC_SMSO);
}
if (changed & GRID_ATTR_UNDERSCORE)
tty_putcode(tty, TTYC_SMUL);
if (changed & GRID_ATTR_BLINK)
tty_putcode(tty, TTYC_BLINK);
if (changed & GRID_ATTR_REVERSE) {
if (tty_term_has(tty->term, TTYC_REV))
tty_putcode(tty, TTYC_REV);
else if (tty_term_has(tty->term, TTYC_SMSO))
tty_putcode(tty, TTYC_SMSO);
}
if (changed & GRID_ATTR_HIDDEN)
tty_putcode(tty, TTYC_INVIS);
if ((changed & GRID_ATTR_CHARSET) && tty_use_acs(tty))
tty_putcode(tty, TTYC_SMACS);
}
