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NetBSD/sys/arch/atari/dev/ite.c

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/* $NetBSD: ite.c,v 1.15 1996/09/16 06:43:39 leo Exp $ */
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Utah Hdr: ite.c 1.1 90/07/09
* from: @(#)ite.c 7.6 (Berkeley) 5/16/91
*/
/*
* ite - bitmapped terminal.
* Supports VT200, a few terminal features will be unavailable until
* the system actually probes the device (i.e. not after consinit())
*/
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/ioctl.h>
#include <sys/tty.h>
#include <sys/termios.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <dev/cons.h>
#include <machine/cpu.h>
#include <atari/atari/device.h>
#include <atari/atari/kdassert.h>
#include <atari/dev/event_var.h>
#include <atari/dev/kbdmap.h>
#include <atari/dev/kbdvar.h>
#include <atari/dev/iteioctl.h>
#include <atari/dev/itevar.h>
#include <atari/dev/grfioctl.h>
#include <atari/dev/grfabs_reg.h>
#include <atari/dev/grfvar.h>
#include <atari/dev/viewioctl.h>
#include <atari/dev/viewvar.h>
#define ITEUNIT(dev) (minor(dev))
#define SUBR_INIT(ip) (ip)->grf->g_iteinit(ip)
#define SUBR_DEINIT(ip) (ip)->grf->g_itedeinit(ip)
#define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
#define SUBR_CURSOR(ip,flg) (ip)->grf->g_itecursor(ip,flg)
#define SUBR_CLEAR(ip,sy,sx,h,w) (ip)->grf->g_iteclear(ip,sy,sx,h,w)
#define SUBR_SCROLL(ip,sy,sx,cnt,dir) (ip)->grf->g_itescroll(ip,sy,sx,cnt,dir)
u_int ite_confunits; /* configured units */
int start_repeat_timeo = 30; /* first repeat after x s/100 */
int next_repeat_timeo = 10; /* next repeat after x s/100 */
int ite_default_wrap = 1; /* you want vtxxx-nam, binpatch */
struct ite_softc con_itesoftc;
u_char cons_tabs[MAX_TABS];
struct ite_softc *kbd_ite;
int kbd_init;
static __inline__ int atoi __P((const char *));
static __inline__ int ite_argnum __P((struct ite_softc *));
static __inline__ int ite_zargnum __P((struct ite_softc *));
static __inline__ void ite_cr __P((struct ite_softc *));
static __inline__ void ite_crlf __P((struct ite_softc *));
static __inline__ void ite_clrline __P((struct ite_softc *));
static __inline__ void ite_clrscreen __P((struct ite_softc *));
static __inline__ void ite_clrtobos __P((struct ite_softc *));
static __inline__ void ite_clrtobol __P((struct ite_softc *));
static __inline__ void ite_clrtoeol __P((struct ite_softc *));
static __inline__ void ite_clrtoeos __P((struct ite_softc *));
static __inline__ void ite_dnchar __P((struct ite_softc *, int));
static __inline__ void ite_inchar __P((struct ite_softc *, int));
static __inline__ void ite_inline __P((struct ite_softc *, int));
static __inline__ void ite_lf __P((struct ite_softc *));
static __inline__ void ite_dnline __P((struct ite_softc *, int));
static __inline__ void ite_rlf __P((struct ite_softc *));
static __inline__ void ite_sendstr __P((char *));
static __inline__ void snap_cury __P((struct ite_softc *));
static void alignment_display __P((struct ite_softc *));
static char *index __P((const char *, int));
static struct ite_softc *getitesp __P((dev_t));
static void itecheckwrap __P((struct ite_softc *));
static void iteprecheckwrap __P((struct ite_softc *));
static void itestart __P((struct tty *));
static void ite_switch __P((int));
static void repeat_handler __P((void *));
void iteputchar __P((int c, struct ite_softc *ip));
void ite_putstr __P((const u_char * s, int len, dev_t dev));
void iteattach __P((struct device *, struct device *, void *));
int itematch __P((struct device *, void *, void *));
/*
* Console specific types.
*/
dev_type_cnprobe(itecnprobe);
dev_type_cninit(itecninit);
dev_type_cngetc(itecngetc);
dev_type_cnputc(itecnputc);
struct cfattach ite_ca = {
sizeof(struct ite_softc), itematch, iteattach
};
struct cfdriver ite_cd = {
NULL, "ite", DV_DULL, NULL, 0
};
int
itematch(pdp, match, auxp)
struct device *pdp;
void *match, *auxp;
{
struct cfdata *cdp = match;
struct grf_softc *gp = auxp;
dev_t itedev;
int maj;
/*
* all that our mask allows (more than enough no one
* has > 32 monitors for text consoles on one machine)
*/
if (cdp->cf_unit >= sizeof(ite_confunits) * NBBY)
return(0);
/*
* XXX
* normally this would be done in attach, however
* during early init we do not have a device pointer
* and thus no unit number.
*/
for(maj = 0; maj < nchrdev; maj++)
if (cdevsw[maj].d_open == iteopen)
break;
itedev = makedev(maj, cdp->cf_unit);
/*
* Try to make sure that a single ite will not be attached to
* multiple grf's.
* Note that the console grf is the only grf that will ever enter
* here with itedev != (dev_t)-1.
*/
if (gp->g_itedev == (dev_t)-1) {
if (ite_confunits & (1 << ITEUNIT(itedev)))
return (0);
}
gp->g_itedev = itedev;
return(1);
}
void
iteattach(pdp, dp, auxp)
struct device *pdp, *dp;
void *auxp;
{
struct grf_softc *gp;
struct ite_softc *ip;
int s;
gp = (struct grf_softc *)auxp;
/*
* mark unit as attached (XXX see itematch)
*/
ite_confunits |= 1 << ITEUNIT(gp->g_itedev);
if(dp) {
ip = (struct ite_softc *)dp;
s = spltty();
if(con_itesoftc.grf != NULL
&& con_itesoftc.grf->g_unit == gp->g_unit) {
/*
* console reinit copy params over.
* and console always gets keyboard
*/
bcopy(&con_itesoftc.grf, &ip->grf,
(char *)&ip[1] - (char *)&ip->grf);
con_itesoftc.grf = NULL;
kbd_ite = ip;
}
ip->grf = gp;
splx(s);
iteinit(gp->g_itedev);
printf(": rows %d cols %d", ip->rows, ip->cols);
printf(" repeat at (%d/100)s next at (%d/100)s",
start_repeat_timeo, next_repeat_timeo);
if (kbd_ite == NULL)
kbd_ite = ip;
if (kbd_ite == ip)
printf(" has keyboard");
printf("\n");
} else {
if (con_itesoftc.grf != NULL &&
con_itesoftc.grf->g_conpri > gp->g_conpri)
return;
con_itesoftc.grf = gp;
con_itesoftc.tabs = cons_tabs;
}
}
static struct ite_softc *
getitesp(dev)
dev_t dev;
{
if(atari_realconfig && (con_itesoftc.grf == NULL))
return(ite_cd.cd_devs[ITEUNIT(dev)]);
if(con_itesoftc.grf == NULL)
panic("no ite_softc for console");
return(&con_itesoftc);
}
/*
* cons.c entry points into ite device.
*/
/*
* Return a priority in consdev->cn_pri field highest wins. This function
* is called before any devices have been probed.
*/
void
itecnprobe(cd)
struct consdev *cd;
{
/*
* bring graphics layer up.
*/
config_console();
/*
* return priority of the best ite (already picked from attach)
* or CN_DEAD.
*/
if (con_itesoftc.grf == NULL)
cd->cn_pri = CN_DEAD;
else {
cd->cn_pri = con_itesoftc.grf->g_conpri;
cd->cn_dev = con_itesoftc.grf->g_itedev;
}
}
void
itecninit(cd)
struct consdev *cd;
{
struct ite_softc *ip;
ip = getitesp(cd->cn_dev);
ip->flags |= ITE_ISCONS;
iteinit(cd->cn_dev);
ip->flags |= ITE_ACTIVE | ITE_ISCONS;
}
/*
* ite_cnfinish() is called in ite_init() when the device is
* being probed in the normal fasion, thus we can finish setting
* up this ite now that the system is more functional.
*/
void
ite_cnfinish(ip)
struct ite_softc *ip;
{
static int done;
if (done)
return;
done = 1;
}
int
itecngetc(dev)
dev_t dev;
{
int c;
/* XXX this should be moved */
if (!kbd_init) {
kbd_init = 1;
kbdenable();
}
do {
c = kbdgetcn();
c = ite_cnfilter(c, ITEFILT_CONSOLE);
} while (c == -1);
return (c);
}
void
itecnputc(dev, c)
dev_t dev;
int c;
{
static int paniced;
struct ite_softc *ip;
char ch;
ip = getitesp(dev);
ch = c;
if (panicstr && !paniced &&
(ip->flags & (ITE_ACTIVE | ITE_INGRF)) != ITE_ACTIVE) {
(void)ite_on(dev, 3);
paniced = 1;
}
iteputchar(ch, ip);
}
/*
* standard entry points to the device.
*/
/*
* iteinit() is the standard entry point for initialization of
* an ite device, it is also called from itecninit().
*
*/
void
iteinit(dev)
dev_t dev;
{
struct ite_softc *ip;
ip = getitesp(dev);
if (ip->flags & ITE_INITED)
return;
if (atari_realconfig) {
if (ip->kbdmap && ip->kbdmap != &ascii_kbdmap)
free(ip->kbdmap, M_DEVBUF);
ip->kbdmap = malloc(sizeof(struct kbdmap), M_DEVBUF, M_WAITOK);
bcopy(&ascii_kbdmap, ip->kbdmap, sizeof(struct kbdmap));
}
else ip->kbdmap = &ascii_kbdmap;
ip->cursorx = 0;
ip->cursory = 0;
SUBR_INIT(ip);
SUBR_CURSOR(ip, DRAW_CURSOR);
if (ip->tabs == NULL)
ip->tabs = malloc(MAX_TABS * sizeof(u_char),M_DEVBUF,M_WAITOK);
ite_reset(ip);
ip->flags |= ITE_INITED;
}
int
iteopen(dev, mode, devtype, p)
dev_t dev;
int mode, devtype;
struct proc *p;
{
struct ite_softc *ip;
struct tty *tp;
int error, first, unit;
unit = ITEUNIT(dev);
first = 0;
if (((1 << unit) & ite_confunits) == 0)
return (ENXIO);
ip = getitesp(dev);
if (ip->tp == NULL) {
tp = ip->tp = ttymalloc();
tty_attach(tp);
}
else tp = ip->tp;
if ((tp->t_state & (TS_ISOPEN | TS_XCLUDE)) == (TS_ISOPEN | TS_XCLUDE)
&& p->p_ucred->cr_uid != 0)
return (EBUSY);
if ((ip->flags & ITE_ACTIVE) == 0) {
error = ite_on(dev, 0);
if (error)
return (error);
first = 1;
}
tp->t_oproc = itestart;
tp->t_param = ite_param;
tp->t_dev = dev;
if ((tp->t_state & TS_ISOPEN) == 0) {
ttychars(tp);
tp->t_iflag = TTYDEF_IFLAG;
tp->t_oflag = TTYDEF_OFLAG;
tp->t_cflag = TTYDEF_CFLAG;
tp->t_lflag = TTYDEF_LFLAG;
tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
tp->t_state = TS_WOPEN | TS_CARR_ON;
ttsetwater(tp);
}
error = (*linesw[tp->t_line].l_open) (dev, tp);
if (error == 0) {
tp->t_winsize.ws_row = ip->rows;
tp->t_winsize.ws_col = ip->cols;
if (!kbd_init) {
kbd_init = 1;
kbdenable();
}
} else if (first)
ite_off(dev, 0);
return (error);
}
int
iteclose(dev, flag, mode, p)
dev_t dev;
int flag, mode;
struct proc *p;
{
struct tty *tp;
tp = getitesp(dev)->tp;
KDASSERT(tp);
(*linesw[tp->t_line].l_close) (tp, flag);
ttyclose(tp);
ite_off(dev, 0);
return (0);
}
int
iteread(dev, uio, flag)
dev_t dev;
struct uio *uio;
int flag;
{
struct tty *tp;
tp = getitesp(dev)->tp;
KDASSERT(tp);
return ((*linesw[tp->t_line].l_read) (tp, uio, flag));
}
int
itewrite(dev, uio, flag)
dev_t dev;
struct uio *uio;
int flag;
{
struct tty *tp;
tp = getitesp(dev)->tp;
KDASSERT(tp);
return ((*linesw[tp->t_line].l_write) (tp, uio, flag));
}
void
itestop(tp, flag)
struct tty *tp;
int flag;
{
}
struct tty *
itetty(dev)
dev_t dev;
{
return(getitesp(dev)->tp);
}
int
iteioctl(dev, cmd, addr, flag, p)
dev_t dev;
u_long cmd;
int flag;
caddr_t addr;
struct proc *p;
{
struct iterepeat *irp;
struct ite_softc *ip;
struct tty *tp;
int error;
ip = getitesp(dev);
tp = ip->tp;
KDASSERT(tp);
error = (*linesw[tp->t_line].l_ioctl) (tp, cmd, addr, flag, p);
if(error >= 0)
return (error);
error = ttioctl(tp, cmd, addr, flag, p);
if (error >= 0)
return (error);
switch (cmd) {
case ITEIOCSKMAP:
if (addr == 0)
return(EFAULT);
bcopy(addr, ip->kbdmap, sizeof(struct kbdmap));
return(0);
case ITEIOCSSKMAP:
if (addr == 0)
return(EFAULT);
bcopy(addr, &ascii_kbdmap, sizeof(struct kbdmap));
return(0);
case ITEIOCGKMAP:
if (addr == NULL)
return(EFAULT);
bcopy(ip->kbdmap, addr, sizeof(struct kbdmap));
return(0);
case ITEIOCGREPT:
irp = (struct iterepeat *)addr;
irp->start = start_repeat_timeo;
irp->next = next_repeat_timeo;
return(0);
case ITEIOCSREPT:
irp = (struct iterepeat *)addr;
if (irp->start < ITEMINREPEAT || irp->next < ITEMINREPEAT)
return(EINVAL);
start_repeat_timeo = irp->start;
next_repeat_timeo = irp->next;
return(0);
}
error = ite_grf_ioctl(ip, cmd, addr, flag, p);
if(error >= 0)
return(error);
return (ENOTTY);
}
void
itestart(tp)
struct tty *tp;
{
struct clist *rbp;
struct ite_softc *ip;
u_char buf[ITEBURST];
int s, len;
ip = getitesp(tp->t_dev);
KDASSERT(tp);
s = spltty(); {
if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))
goto out;
tp->t_state |= TS_BUSY;
rbp = &tp->t_outq;
len = q_to_b(rbp, buf, ITEBURST);
} splx(s);
/* Here is a really good place to implement pre/jumpscroll() */
ite_putstr((char *)buf, len, tp->t_dev);
s = spltty(); {
tp->t_state &= ~TS_BUSY;
/* we have characters remaining. */
if (rbp->c_cc) {
tp->t_state |= TS_TIMEOUT;
timeout(ttrstrt, tp, 1);
}
/* wakeup we are below */
if (rbp->c_cc <= tp->t_lowat) {
if (tp->t_state & TS_ASLEEP) {
tp->t_state &= ~TS_ASLEEP;
wakeup((caddr_t) rbp);
}
selwakeup(&tp->t_wsel);
}
out: ;
} splx(s);
}
int
ite_on(dev, flag)
dev_t dev;
int flag;
{
struct ite_softc *ip;
int unit;
unit = ITEUNIT(dev);
if (((1 << unit) & ite_confunits) == 0)
return (ENXIO);
ip = getitesp(dev);
/* force ite active, overriding graphics mode */
if (flag & 1) {
ip->flags |= ITE_ACTIVE;
ip->flags &= ~(ITE_INGRF | ITE_INITED);
}
/* leave graphics mode */
if (flag & 2) {
ip->flags &= ~ITE_INGRF;
if ((ip->flags & ITE_ACTIVE) == 0)
return (0);
}
ip->flags |= ITE_ACTIVE;
if (ip->flags & ITE_INGRF)
return (0);
iteinit(dev);
return (0);
}
void
ite_off(dev, flag)
dev_t dev;
int flag;
{
struct ite_softc *ip;
ip = getitesp(dev);
if (flag & 2)
ip->flags |= ITE_INGRF;
if ((ip->flags & ITE_ACTIVE) == 0)
return;
if ((flag & 1) ||
(ip->flags & (ITE_INGRF | ITE_ISCONS | ITE_INITED)) == ITE_INITED)
SUBR_DEINIT(ip);
if ((flag & 2) == 0) /* XXX hmm grfon() I think wants this to go inactive. */
ip->flags &= ~ITE_ACTIVE;
}
static void
ite_switch(unit)
int unit;
{
struct ite_softc *ip;
if(!(ite_confunits & (1 << unit)))
return; /* Don't try unconfigured units */
ip = getitesp(unit);
if(!(ip->flags & ITE_INITED))
return;
/*
* If switching to an active ite, also switch the keyboard.
*/
if(ip->flags & ITE_ACTIVE)
kbd_ite = ip;
/*
* Now make it visible
*/
viewioctl(ip->grf->g_viewdev, VIOCDISPLAY, NULL, 0, NOPROC);
/*
* Make sure the cursor's there too....
*/
SUBR_CURSOR(ip, DRAW_CURSOR);
}
/* XXX called after changes made in underlying grf layer. */
/* I want to nuke this */
void
ite_reinit(dev)
dev_t dev;
{
struct ite_softc *ip;
ip = getitesp(dev);
ip->flags &= ~ITE_INITED;
iteinit(dev);
}
int
ite_param(tp, t)
struct tty *tp;
struct termios *t;
{
tp->t_ispeed = t->c_ispeed;
tp->t_ospeed = t->c_ospeed;
tp->t_cflag = t->c_cflag;
return (0);
}
void
ite_reset(ip)
struct ite_softc *ip;
{
int i;
ip->curx = 0;
ip->cury = 0;
ip->attribute = ATTR_NOR;
ip->save_curx = 0;
ip->save_cury = 0;
ip->save_attribute = ATTR_NOR;
ip->ap = ip->argbuf;
ip->emul_level = 0;
ip->eightbit_C1 = 0;
ip->top_margin = 0;
ip->bottom_margin = ip->rows - 1;
ip->inside_margins = 0;
ip->linefeed_newline = 0;
ip->auto_wrap = ite_default_wrap;
ip->cursor_appmode = 0;
ip->keypad_appmode = 0;
ip->imode = 0;
ip->key_repeat = 1;
bzero(ip->tabs, ip->cols);
for (i = 0; i < ip->cols; i++)
ip->tabs[i] = ((i & 7) == 0);
}
/*
* has to be global becuase of the shared filters.
*/
static u_char key_mod;
static u_char last_dead;
/* Used in console at startup only */
int
ite_cnfilter(c, caller)
u_int c;
enum caller caller;
{
struct key key;
struct kbdmap *kbdmap;
u_char code, up, mask;
int s;
up = KBD_RELEASED(c);
c = KBD_SCANCODE(c);
code = 0;
mask = 0;
kbdmap = (kbd_ite == NULL) ? &ascii_kbdmap : kbd_ite->kbdmap;
s = spltty();
/*
* Handle special keys
*/
switch(c) {
case KBD_LEFT_SHIFT:
mask = KBD_MOD_LSHIFT;
break;
case KBD_RIGHT_SHIFT:
mask = KBD_MOD_RSHIFT;
break;
case KBD_CTRL:
mask = KBD_MOD_CTRL;
break;
case KBD_ALT:
mask = KBD_MOD_ALT;
break;
case KBD_CAPS_LOCK:
/* CAPSLOCK is a toggle */
if(!up)
key_mod ^= KBD_MOD_CAPS;
splx(s);
return -1;
break;
}
if(mask) {
if(up)
key_mod &= ~mask;
else
key_mod |= mask;
splx(s);
return -1;
}
/*
* No special action if key released
*/
if(up) {
splx(s);
return -1;
}
/* translate modifiers */
if(key_mod & KBD_MOD_SHIFT) {
if(key_mod & KBD_MOD_ALT)
key = kbdmap->alt_shift_keys[c];
else key = kbdmap->shift_keys[c];
}
else if(key_mod & KBD_MOD_ALT)
key = kbdmap->alt_keys[c];
else {
key = kbdmap->keys[c];
/*
* If CAPS and key is CAPable (no pun intended)
*/
if((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
key = kbdmap->shift_keys[c];
}
code = key.code;
#ifdef notyet /* LWP: Didn't have time to look at this yet */
/*
* If string return simple console filter
*/
if(key->mode & (KBD_MODE_STRING | KBD_MODE_KPAD)) {
splx(s);
return -1;
}
/* handle dead keys */
if(key->mode & KBD_MODE_DEAD) {
/* if entered twice, send accent itself */
if (last_dead == key->mode & KBD_MODE_ACCMASK)
last_dead = 0;
else {
last_dead = key->mode & KBD_MODE_ACCMASK;
splx(s);
return -1;
}
}
if(last_dead) {
/* can't apply dead flag to string-keys */
if (code >= '@' && code < 0x7f)
code =
acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
last_dead = 0;
}
#endif
if(key_mod & KBD_MOD_CTRL)
code &= 0x1f;
/*
* Do console mapping.
*/
code = code == '\r' ? '\n' : code;
splx(s);
return (code);
}
/* And now the old stuff. */
/* these are used to implement repeating keys.. */
static u_int last_char;
static u_char tout_pending;
/*ARGSUSED*/
static void
repeat_handler(arg)
void *arg;
{
tout_pending = 0;
if(last_char)
add_sicallback((si_farg)ite_filter, (void *)last_char,
(void *)ITEFILT_REPEATER);
}
void
ite_filter(c, caller)
u_int c;
enum caller caller;
{
struct tty *kbd_tty;
struct kbdmap *kbdmap;
u_char code, *str, up, mask;
struct key key;
int s, i;
if(kbd_ite == NULL)
return;
kbd_tty = kbd_ite->tp;
kbdmap = kbd_ite->kbdmap;
up = KBD_RELEASED(c);
c = KBD_SCANCODE(c);
code = 0;
mask = 0;
/* have to make sure we're at spltty in here */
s = spltty();
/*
* keyboard interrupts come at priority 2, while softint
* generated keyboard-repeat interrupts come at level 1. So,
* to not allow a key-up event to get thru before a repeat for
* the key-down, we remove any outstanding callout requests..
*/
rem_sicallback((si_farg)ite_filter);
/*
* Handle special keys
*/
switch(c) {
case KBD_LEFT_SHIFT:
mask = KBD_MOD_LSHIFT;
break;
case KBD_RIGHT_SHIFT:
mask = KBD_MOD_RSHIFT;
break;
case KBD_CTRL:
mask = KBD_MOD_CTRL;
break;
case KBD_ALT:
mask = KBD_MOD_ALT;
break;
case KBD_CAPS_LOCK:
/* CAPSLOCK is a toggle */
if(!up)
key_mod ^= KBD_MOD_CAPS;
splx(s);
return;
break;
}
if(mask) {
if(up)
key_mod &= ~mask;
else
key_mod |= mask;
splx(s);
return;
}
/*
* Stop repeating on up event
*/
if (up) {
if(tout_pending) {
untimeout(repeat_handler, 0);
tout_pending = 0;
last_char = 0;
}
splx(s);
return;
}
else if(tout_pending && last_char != c) {
/*
* Different character, stop also
*/
untimeout(repeat_handler, 0);
tout_pending = 0;
last_char = 0;
}
/*
* Handle ite-switching ALT + Fx
*/
if((key_mod == KBD_MOD_ALT) && (c >= 0x3b) && (c <= 0x44)) {
ite_switch(c - 0x3b);
splx(s);
return;
}
/*
* Safety button, switch back to ascii keymap.
*/
if(key_mod == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x3b) {
/* ALT + LSHIFT + F1 */
bcopy(&ascii_kbdmap, kbdmap, sizeof(struct kbdmap));
splx(s);
return;
#ifdef DDB
}
else if(key_mod == (KBD_MOD_ALT | KBD_MOD_LSHIFT) && c == 0x43) {
/* ALT + LSHIFT + F9 */
Debugger();
splx(s);
return;
#endif
}
/*
* The rest of the code is senseless when the device is not open.
*/
if(kbd_tty == NULL) {
splx(s);
return;
}
/*
* Translate modifiers
*/
if(key_mod & KBD_MOD_SHIFT) {
if(key_mod & KBD_MOD_ALT)
key = kbdmap->alt_shift_keys[c];
else key = kbdmap->shift_keys[c];
}
else if(key_mod & KBD_MOD_ALT)
key = kbdmap->alt_keys[c];
else {
key = kbdmap->keys[c];
/*
* If CAPS and key is CAPable (no pun intended)
*/
if((key_mod & KBD_MOD_CAPS) && (key.mode & KBD_MODE_CAPS))
key = kbdmap->shift_keys[c];
}
code = key.code;
/*
* Arrange to repeat the keystroke. By doing this at the level
* of scan-codes, we can have function keys, and keys that
* send strings, repeat too. This also entitles an additional
* overhead, since we have to do the conversion each time, but
* I guess that's ok.
*/
if(!tout_pending && caller == ITEFILT_TTY && kbd_ite->key_repeat) {
tout_pending = 1;
last_char = c;
timeout(repeat_handler, 0, start_repeat_timeo * hz / 100);
}
else if(!tout_pending && caller==ITEFILT_REPEATER
&& kbd_ite->key_repeat) {
tout_pending = 1;
last_char = c;
timeout(repeat_handler, 0, next_repeat_timeo * hz / 100);
}
/* handle dead keys */
if (key.mode & KBD_MODE_DEAD) {
/* if entered twice, send accent itself */
if (last_dead == (key.mode & KBD_MODE_ACCMASK))
last_dead = 0;
else {
last_dead = key.mode & KBD_MODE_ACCMASK;
splx(s);
return;
}
}
if (last_dead) {
/* can't apply dead flag to string-keys */
if (!(key.mode & KBD_MODE_STRING) && code >= '@' &&
code < 0x7f)
code = acctable[KBD_MODE_ACCENT(last_dead)][code - '@'];
last_dead = 0;
}
/*
* If not string, apply CTRL modifiers
*/
if(!(key.mode & KBD_MODE_STRING)
&& (!(key.mode & KBD_MODE_KPAD)
|| (kbd_ite && !kbd_ite->keypad_appmode))) {
if(key_mod & KBD_MOD_CTRL)
code &= 0x1f;
}
else if((key.mode & KBD_MODE_KPAD)
&& (kbd_ite && kbd_ite->keypad_appmode)) {
static char *in = "0123456789-+.\r()/*";
static char *out = "pqrstuvwxymlnMPQRS";
char *cp = index(in, code);
/*
* keypad-appmode sends SS3 followed by the above
* translated character
*/
(*linesw[kbd_tty->t_line].l_rint) (27, kbd_tty);
(*linesw[kbd_tty->t_line].l_rint) ('O', kbd_tty);
(*linesw[kbd_tty->t_line].l_rint) (out[cp - in], kbd_tty);
splx(s);
return;
} else {
/* *NO* I don't like this.... */
static u_char app_cursor[] =
{
3, 27, 'O', 'A',
3, 27, 'O', 'B',
3, 27, 'O', 'C',
3, 27, 'O', 'D'};
str = kbdmap->strings + code;
/*
* if this is a cursor key, AND it has the default
* keymap setting, AND we're in app-cursor mode, switch
* to the above table. This is *nasty* !
*/
if(((c == 0x48) || (c == 0x4b) || (c == 0x4d) || (c == 0x50))
&& kbd_ite->cursor_appmode
&& !bcmp(str, "\x03\x1b[", 3) &&
index("ABCD", str[3]))
str = app_cursor + 4 * (str[3] - 'A');
/*
* using a length-byte instead of 0-termination allows
* to embed \0 into strings, although this is not used
* in the default keymap
*/
for (i = *str++; i; i--)
(*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
splx(s);
return;
}
(*linesw[kbd_tty->t_line].l_rint) (code, kbd_tty);
splx(s);
return;
}
/* helper functions, makes the code below more readable */
static __inline__ void
ite_sendstr(str)
char *str;
{
struct tty *kbd_tty;
kbd_tty = kbd_ite->tp;
KDASSERT(kbd_tty);
while (*str)
(*linesw[kbd_tty->t_line].l_rint) (*str++, kbd_tty);
}
static void
alignment_display(ip)
struct ite_softc *ip;
{
int i, j;
for (j = 0; j < ip->rows; j++)
for (i = 0; i < ip->cols; i++)
SUBR_PUTC(ip, 'E', j, i, ATTR_NOR);
attrclr(ip, 0, 0, ip->rows, ip->cols);
SUBR_CURSOR(ip, DRAW_CURSOR);
}
static __inline__ void
snap_cury(ip)
struct ite_softc *ip;
{
if (ip->inside_margins)
{
if (ip->cury < ip->top_margin)
ip->cury = ip->top_margin;
if (ip->cury > ip->bottom_margin)
ip->cury = ip->bottom_margin;
}
}
static __inline__ void
ite_dnchar(ip, n)
struct ite_softc *ip;
int n;
{
n = min(n, ip->cols - ip->curx);
if (n < ip->cols - ip->curx)
{
SUBR_SCROLL(ip, ip->cury, ip->curx + n, n, SCROLL_LEFT);
attrmov(ip, ip->cury, ip->curx + n, ip->cury, ip->curx,
1, ip->cols - ip->curx - n);
attrclr(ip, ip->cury, ip->cols - n, 1, n);
}
while (n-- > 0)
SUBR_PUTC(ip, ' ', ip->cury, ip->cols - n - 1, ATTR_NOR);
SUBR_CURSOR(ip, DRAW_CURSOR);
}
static __inline__ void
ite_inchar(ip, n)
struct ite_softc *ip;
int n;
{
n = min(n, ip->cols - ip->curx);
if (n < ip->cols - ip->curx)
{
SUBR_SCROLL(ip, ip->cury, ip->curx, n, SCROLL_RIGHT);
attrmov(ip, ip->cury, ip->curx, ip->cury, ip->curx + n,
1, ip->cols - ip->curx - n);
attrclr(ip, ip->cury, ip->curx, 1, n);
}
while (n--)
SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
SUBR_CURSOR(ip, DRAW_CURSOR);
}
static __inline__ void
ite_clrtoeol(ip)
struct ite_softc *ip;
{
int y = ip->cury, x = ip->curx;
if (ip->cols - x > 0)
{
SUBR_CLEAR(ip, y, x, 1, ip->cols - x);
attrclr(ip, y, x, 1, ip->cols - x);
SUBR_CURSOR(ip, DRAW_CURSOR);
}
}
static __inline__ void
ite_clrtobol(ip)
struct ite_softc *ip;
{
int y = ip->cury, x = min(ip->curx + 1, ip->cols);
SUBR_CLEAR(ip, y, 0, 1, x);
attrclr(ip, y, 0, 1, x);
SUBR_CURSOR(ip, DRAW_CURSOR);
}
static __inline__ void
ite_clrline(ip)
struct ite_softc *ip;
{
int y = ip->cury;
SUBR_CLEAR(ip, y, 0, 1, ip->cols);
attrclr(ip, y, 0, 1, ip->cols);
SUBR_CURSOR(ip, DRAW_CURSOR);
}
static __inline__ void
ite_clrtoeos(ip)
struct ite_softc *ip;
{
ite_clrtoeol(ip);
if (ip->cury < ip->rows - 1)
{
SUBR_CLEAR(ip, ip->cury + 1, 0, ip->rows - 1 - ip->cury, ip->cols);
attrclr(ip, ip->cury, 0, ip->rows - ip->cury, ip->cols);
SUBR_CURSOR(ip, DRAW_CURSOR);
}
}
static __inline__ void
ite_clrtobos(ip)
struct ite_softc *ip;
{
ite_clrtobol(ip);
if (ip->cury > 0)
{
SUBR_CLEAR(ip, 0, 0, ip->cury, ip->cols);
attrclr(ip, 0, 0, ip->cury, ip->cols);
SUBR_CURSOR(ip, DRAW_CURSOR);
}
}
static __inline__ void
ite_clrscreen(ip)
struct ite_softc *ip;
{
SUBR_CLEAR(ip, 0, 0, ip->rows, ip->cols);
attrclr(ip, 0, 0, ip->rows, ip->cols);
SUBR_CURSOR(ip, DRAW_CURSOR);
}
static __inline__ void
ite_dnline(ip, n)
struct ite_softc *ip;
int n;
{
/* interesting.. if the cursor is outside the scrolling
region, this command is simply ignored.. */
if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
return;
n = min(n, ip->bottom_margin + 1 - ip->cury);
if (n <= ip->bottom_margin - ip->cury)
{
SUBR_SCROLL(ip, ip->cury + n, 0, n, SCROLL_UP);
attrmov(ip, ip->cury + n, 0, ip->cury, 0,
ip->bottom_margin + 1 - ip->cury - n, ip->cols);
}
SUBR_CLEAR(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
attrclr(ip, ip->bottom_margin - n + 1, 0, n, ip->cols);
SUBR_CURSOR(ip, DRAW_CURSOR);
}
static __inline__ void
ite_inline(ip, n)
struct ite_softc *ip;
int n;
{
/* interesting.. if the cursor is outside the scrolling
region, this command is simply ignored.. */
if (ip->cury < ip->top_margin || ip->cury > ip->bottom_margin)
return;
n = min(n, ip->bottom_margin + 1 - ip->cury);
if (n <= ip->bottom_margin - ip->cury)
{
SUBR_SCROLL(ip, ip->cury, 0, n, SCROLL_DOWN);
attrmov(ip, ip->cury, 0, ip->cury + n, 0,
ip->bottom_margin + 1 - ip->cury - n, ip->cols);
}
SUBR_CLEAR(ip, ip->cury, 0, n, ip->cols);
attrclr(ip, ip->cury, 0, n, ip->cols);
SUBR_CURSOR(ip, DRAW_CURSOR);
}
static __inline__ void
ite_lf (ip)
struct ite_softc *ip;
{
++ip->cury;
if ((ip->cury == ip->bottom_margin+1) || (ip->cury == ip->rows))
{
ip->cury--;
SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
ite_clrline(ip);
}
SUBR_CURSOR(ip, MOVE_CURSOR);
clr_attr(ip, ATTR_INV);
}
static __inline__ void
ite_crlf (ip)
struct ite_softc *ip;
{
ip->curx = 0;
ite_lf (ip);
}
static __inline__ void
ite_cr (ip)
struct ite_softc *ip;
{
if (ip->curx)
{
ip->curx = 0;
SUBR_CURSOR(ip, MOVE_CURSOR);
}
}
static __inline__ void
ite_rlf (ip)
struct ite_softc *ip;
{
ip->cury--;
if ((ip->cury < 0) || (ip->cury == ip->top_margin - 1))
{
ip->cury++;
SUBR_SCROLL(ip, ip->top_margin, 0, 1, SCROLL_DOWN);
ite_clrline(ip);
}
SUBR_CURSOR(ip, MOVE_CURSOR);
clr_attr(ip, ATTR_INV);
}
static __inline__ int
atoi (cp)
const char *cp;
{
int n;
for (n = 0; *cp && *cp >= '0' && *cp <= '9'; cp++)
n = n * 10 + *cp - '0';
return n;
}
static char *
index (cp, ch)
const char *cp;
int ch;
{
while (*cp && *cp != ch) cp++;
return *cp ? (char *) cp : 0;
}
static __inline__ int
ite_argnum (ip)
struct ite_softc *ip;
{
char ch;
int n;
/* convert argument string into number */
if (ip->ap == ip->argbuf)
return 1;
ch = *ip->ap;
*ip->ap = 0;
n = atoi (ip->argbuf);
*ip->ap = ch;
return n;
}
static __inline__ int
ite_zargnum (ip)
struct ite_softc *ip;
{
char ch;
int n;
/* convert argument string into number */
if (ip->ap == ip->argbuf)
return 0;
ch = *ip->ap;
*ip->ap = 0;
n = atoi (ip->argbuf);
*ip->ap = ch;
return n; /* don't "n ? n : 1" here, <CSI>0m != <CSI>1m ! */
}
void
ite_putstr(s, len, dev)
const u_char *s;
int len;
dev_t dev;
{
struct ite_softc *ip;
int i;
ip = getitesp(dev);
/* XXX avoid problems */
if ((ip->flags & (ITE_ACTIVE|ITE_INGRF)) != ITE_ACTIVE)
return;
SUBR_CURSOR(ip, START_CURSOROPT);
for (i = 0; i < len; i++)
if (s[i])
iteputchar(s[i], ip);
SUBR_CURSOR(ip, END_CURSOROPT);
}
void
iteputchar(c, ip)
register int c;
struct ite_softc *ip;
{
struct tty *kbd_tty;
int n, x, y;
char *cp;
if (kbd_ite == NULL)
kbd_tty = NULL;
else
kbd_tty = kbd_ite->tp;
if (ip->escape)
{
switch (ip->escape)
{
case ESC:
switch (c)
{
/* first 7bit equivalents for the 8bit control characters */
case 'D':
c = IND;
ip->escape = 0;
break; /* and fall into the next switch below (same for all `break') */
case 'E':
c = NEL;
ip->escape = 0;
break;
case 'H':
c = HTS;
ip->escape = 0;
break;
case 'M':
c = RI;
ip->escape = 0;
break;
case 'N':
c = SS2;
ip->escape = 0;
break;
case 'O':
c = SS3;
ip->escape = 0;
break;
case 'P':
c = DCS;
ip->escape = 0;
break;
case '[':
c = CSI;
ip->escape = 0;
break;
case '\\':
c = ST;
ip->escape = 0;
break;
case ']':
c = OSC;
ip->escape = 0;
break;
case '^':
c = PM;
ip->escape = 0;
break;
case '_':
c = APC;
ip->escape = 0;
break;
/* introduces 7/8bit control */
case ' ':
/* can be followed by either F or G */
ip->escape = ' ';
break;
/* a lot of character set selections, not yet used...
94-character sets: */
case '(': /* G0 */
case ')': /* G1 */
ip->escape = c;
return;
case '*': /* G2 */
case '+': /* G3 */
case 'B': /* ASCII */
case 'A': /* ISO latin 1 */
case '<': /* user preferred suplemental */
case '0': /* dec special graphics */
/* 96-character sets: */
case '-': /* G1 */
case '.': /* G2 */
case '/': /* G3 */
/* national character sets: */
case '4': /* dutch */
case '5':
case 'C': /* finnish */
case 'R': /* french */
case 'Q': /* french canadian */
case 'K': /* german */
case 'Y': /* italian */
case '6': /* norwegian/danish */
/* note: %5 and %6 are not supported (two chars..) */
ip->escape = 0;
/* just ignore for now */
return;
/* locking shift modes (as you might guess, not yet supported..) */
case '`':
ip->GR = ip->G1;
ip->escape = 0;
return;
case 'n':
ip->GL = ip->G2;
ip->escape = 0;
return;
case '}':
ip->GR = ip->G2;
ip->escape = 0;
return;
case 'o':
ip->GL = ip->G3;
ip->escape = 0;
return;
case '|':
ip->GR = ip->G3;
ip->escape = 0;
return;
/* font width/height control */
case '#':
ip->escape = '#';
return;
/* hard terminal reset .. */
case 'c':
ite_reset (ip);
SUBR_CURSOR(ip, MOVE_CURSOR);
ip->escape = 0;
return;
case '7':
ip->save_curx = ip->curx;
ip->save_cury = ip->cury;
ip->save_attribute = ip->attribute;
ip->escape = 0;
return;
case '8':
ip->curx = ip->save_curx;
ip->cury = ip->save_cury;
ip->attribute = ip->save_attribute;
SUBR_CURSOR(ip, MOVE_CURSOR);
ip->escape = 0;
return;
case '=':
ip->keypad_appmode = 1;
ip->escape = 0;
return;
case '>':
ip->keypad_appmode = 0;
ip->escape = 0;
return;
case 'Z': /* request ID */
if (ip->emul_level == EMUL_VT100)
ite_sendstr ("\033[?61;0c"); /* XXX not clean */
else
ite_sendstr ("\033[?63;0c"); /* XXX not clean */
ip->escape = 0;
return;
/* default catch all for not recognized ESC sequences */
default:
ip->escape = 0;
return;
}
break;
case '(':
case ')':
ip->escape = 0;
return;
case ' ':
switch (c)
{
case 'F':
ip->eightbit_C1 = 0;
ip->escape = 0;
return;
case 'G':
ip->eightbit_C1 = 1;
ip->escape = 0;
return;
default:
/* not supported */
ip->escape = 0;
return;
}
break;
case '#':
switch (c)
{
case '5':
/* single height, single width */
ip->escape = 0;
return;
case '6':
/* double width, single height */
ip->escape = 0;
return;
case '3':
/* top half */
ip->escape = 0;
return;
case '4':
/* bottom half */
ip->escape = 0;
return;
case '8':
/* screen alignment pattern... */
alignment_display (ip);
ip->escape = 0;
return;
default:
ip->escape = 0;
return;
}
break;
case CSI:
/* the biggie... */
switch (c)
{
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
case ';': case '\"': case '$': case '>':
if (ip->ap < ip->argbuf + MAX_ARGSIZE)
*ip->ap++ = c;
return;
case BS:
/* you wouldn't believe such perversion is possible?
it is.. BS is allowed in between cursor sequences
(at least), according to vttest.. */
if (--ip->curx < 0)
ip->curx = 0;
else
SUBR_CURSOR(ip, MOVE_CURSOR);
break;
case 'p':
*ip->ap = 0;
if (! strncmp (ip->argbuf, "61\"", 3))
ip->emul_level = EMUL_VT100;
else if (! strncmp (ip->argbuf, "63;1\"", 5)
|| ! strncmp (ip->argbuf, "62;1\"", 5))
ip->emul_level = EMUL_VT300_7;
else
ip->emul_level = EMUL_VT300_8;
ip->escape = 0;
return;
case '?':
*ip->ap = 0;
ip->escape = '?';
ip->ap = ip->argbuf;
return;
case 'c':
*ip->ap = 0;
if (ip->argbuf[0] == '>')
{
ite_sendstr ("\033[>24;0;0;0c");
}
else switch (ite_zargnum(ip))
{
case 0:
/* primary DA request, send primary DA response */
if (ip->emul_level == EMUL_VT100)
ite_sendstr ("\033[?1;1c");
else
ite_sendstr ("\033[?63;1c");
break;
}
ip->escape = 0;
return;
case 'n':
switch (ite_zargnum(ip))
{
case 5:
ite_sendstr ("\033[0n"); /* no malfunction */
break;
case 6:
/* cursor position report */
sprintf (ip->argbuf, "\033[%d;%dR",
ip->cury + 1, ip->curx + 1);
ite_sendstr (ip->argbuf);
break;
}
ip->escape = 0;
return;
case 'x':
switch (ite_zargnum(ip))
{
case 0:
/* Fake some terminal parameters. */
ite_sendstr ("\033[2;1;1;112;112;1;0x");
break;
case 1:
ite_sendstr ("\033[3;1;1;112;112;1;0x");
break;
}
ip->escape = 0;
return;
case 'g':
switch (ite_zargnum(ip))
{
case 0:
if (ip->curx < ip->cols)
ip->tabs[ip->curx] = 0;
break;
case 3:
for (n = 0; n < ip->cols; n++)
ip->tabs[n] = 0;
break;
}
ip->escape = 0;
return;
case 'h': case 'l':
n = ite_zargnum (ip);
switch (n)
{
case 4:
ip->imode = (c == 'h'); /* insert/replace mode */
break;
case 20:
ip->linefeed_newline = (c == 'h');
break;
}
ip->escape = 0;
return;
case 'M':
ite_dnline (ip, ite_argnum (ip));
ip->escape = 0;
return;
case 'L':
ite_inline (ip, ite_argnum (ip));
ip->escape = 0;
return;
case 'P':
ite_dnchar (ip, ite_argnum (ip));
ip->escape = 0;
return;
case '@':
ite_inchar (ip, ite_argnum (ip));
ip->escape = 0;
return;
case 'G':
/* this one was *not* in my vt320 manual but in
a vt320 termcap entry.. who is right?
It's supposed to set the horizontal cursor position. */
*ip->ap = 0;
x = atoi (ip->argbuf);
if (x) x--;
ip->curx = min(x, ip->cols - 1);
ip->escape = 0;
SUBR_CURSOR(ip, MOVE_CURSOR);
clr_attr (ip, ATTR_INV);
return;
case 'd':
/* same thing here, this one's for setting the absolute
vertical cursor position. Not documented... */
*ip->ap = 0;
y = atoi (ip->argbuf);
if (y) y--;
if (ip->inside_margins)
y += ip->top_margin;
ip->cury = min(y, ip->rows - 1);
ip->escape = 0;
snap_cury(ip);
SUBR_CURSOR(ip, MOVE_CURSOR);
clr_attr (ip, ATTR_INV);
return;
case 'H':
case 'f':
*ip->ap = 0;
y = atoi (ip->argbuf);
x = 0;
cp = index (ip->argbuf, ';');
if (cp)
x = atoi (cp + 1);
if (x) x--;
if (y) y--;
if (ip->inside_margins)
y += ip->top_margin;
ip->cury = min(y, ip->rows - 1);
ip->curx = min(x, ip->cols - 1);
ip->escape = 0;
snap_cury(ip);
SUBR_CURSOR(ip, MOVE_CURSOR);
clr_attr (ip, ATTR_INV);
return;
case 'A':
n = ite_argnum (ip);
n = ip->cury - (n ? n : 1);
if (n < 0) n = 0;
if (ip->inside_margins)
n = max(ip->top_margin, n);
else if (n == ip->top_margin - 1)
/* allow scrolling outside region, but don't scroll out
of active region without explicit CUP */
n = ip->top_margin;
ip->cury = n;
ip->escape = 0;
SUBR_CURSOR(ip, MOVE_CURSOR);
clr_attr (ip, ATTR_INV);
return;
case 'B':
n = ite_argnum (ip);
n = ip->cury + (n ? n : 1);
n = min(ip->rows - 1, n);
if (ip->inside_margins)
n = min(ip->bottom_margin, n);
else if (n == ip->bottom_margin + 1)
/* allow scrolling outside region, but don't scroll out
of active region without explicit CUP */
n = ip->bottom_margin;
ip->cury = n;
ip->escape = 0;
SUBR_CURSOR(ip, MOVE_CURSOR);
clr_attr (ip, ATTR_INV);
return;
case 'C':
n = ite_argnum (ip);
n = n ? n : 1;
ip->curx = min(ip->curx + n, ip->cols - 1);
ip->escape = 0;
SUBR_CURSOR(ip, MOVE_CURSOR);
clr_attr (ip, ATTR_INV);
return;
case 'D':
n = ite_argnum (ip);
n = n ? n : 1;
n = ip->curx - n;
ip->curx = n >= 0 ? n : 0;
ip->escape = 0;
SUBR_CURSOR(ip, MOVE_CURSOR);
clr_attr (ip, ATTR_INV);
return;
case 'J':
*ip->ap = 0;
n = ite_zargnum (ip);
if (n == 0)
ite_clrtoeos(ip);
else if (n == 1)
ite_clrtobos(ip);
else if (n == 2)
ite_clrscreen(ip);
ip->escape = 0;
return;
case 'K':
n = ite_zargnum (ip);
if (n == 0)
ite_clrtoeol(ip);
else if (n == 1)
ite_clrtobol(ip);
else if (n == 2)
ite_clrline(ip);
ip->escape = 0;
return;
case 'X':
n = ite_argnum(ip) - 1;
n = min(n, ip->cols - 1 - ip->curx);
for (; n >= 0; n--)
{
attrclr(ip, ip->cury, ip->curx + n, 1, 1);
SUBR_PUTC(ip, ' ', ip->cury, ip->curx + n, ATTR_NOR);
}
ip->escape = 0;
return;
case '}': case '`':
/* status line control */
ip->escape = 0;
return;
case 'r':
*ip->ap = 0;
x = atoi (ip->argbuf);
x = x ? x : 1;
y = ip->rows;
cp = index (ip->argbuf, ';');
if (cp)
{
y = atoi (cp + 1);
y = y ? y : ip->rows;
}
if (y - x < 2)
{
/* if illegal scrolling region, reset to defaults */
x = 1;
y = ip->rows;
}
x--;
y--;
ip->top_margin = min(x, ip->rows - 1);
ip->bottom_margin = min(y, ip->rows - 1);
if (ip->inside_margins)
{
ip->cury = ip->top_margin;
ip->curx = 0;
SUBR_CURSOR(ip, MOVE_CURSOR);
}
ip->escape = 0;
return;
case 'm':
/* big attribute setter/resetter */
{
char *cp;
*ip->ap = 0;
/* kludge to make CSIm work (== CSI0m) */
if (ip->ap == ip->argbuf)
ip->ap++;
for (cp = ip->argbuf; cp < ip->ap; )
{
switch (*cp)
{
case 0:
case '0':
clr_attr (ip, ATTR_ALL);
cp++;
break;
case '1':
set_attr (ip, ATTR_BOLD);
cp++;
break;
case '2':
switch (cp[1])
{
case '2':
clr_attr (ip, ATTR_BOLD);
cp += 2;
break;
case '4':
clr_attr (ip, ATTR_UL);
cp += 2;
break;
case '5':
clr_attr (ip, ATTR_BLINK);
cp += 2;
break;
case '7':
clr_attr (ip, ATTR_INV);
cp += 2;
break;
default:
cp++;
break;
}
break;
case '4':
set_attr (ip, ATTR_UL);
cp++;
break;
case '5':
set_attr (ip, ATTR_BLINK);
cp++;
break;
case '7':
set_attr (ip, ATTR_INV);
cp++;
break;
default:
cp++;
break;
}
}
}
ip->escape = 0;
return;
case 'u':
/* DECRQTSR */
ite_sendstr ("\033P\033\\");
ip->escape = 0;
return;
default:
ip->escape = 0;
return;
}
break;
case '?': /* CSI ? */
switch (c)
{
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
case ';': case '\"': case '$':
/* Don't fill the last character; it's needed. */
/* XXX yeah, where ?? */
if (ip->ap < ip->argbuf + MAX_ARGSIZE - 1)
*ip->ap++ = c;
return;
case 'n':
*ip->ap = 0;
if (ip->ap == &ip->argbuf[2])
{
if (! strncmp (ip->argbuf, "15", 2))
/* printer status: no printer */
ite_sendstr ("\033[13n");
else if (! strncmp (ip->argbuf, "25", 2))
/* udk status */
ite_sendstr ("\033[20n");
else if (! strncmp (ip->argbuf, "26", 2))
/* keyboard dialect: US */
ite_sendstr ("\033[27;1n");
}
ip->escape = 0;
return;
case 'h': case 'l':
n = ite_zargnum (ip);
switch (n)
{
case 1:
ip->cursor_appmode = (c == 'h');
break;
case 3:
/* 132/80 columns (132 == 'h') */
break;
case 4: /* smooth scroll */
break;
case 5:
/* light background (=='h') /dark background(=='l') */
break;
case 6: /* origin mode */
ip->inside_margins = (c == 'h');
ip->curx = 0;
ip->cury = ip->inside_margins ? ip->top_margin : 0;
SUBR_CURSOR(ip, MOVE_CURSOR);
break;
case 7: /* auto wraparound */
ip->auto_wrap = (c == 'h');
break;
case 8: /* keyboard repeat */
ip->key_repeat = (c == 'h');
break;
case 20: /* newline mode */
ip->linefeed_newline = (c == 'h');
break;
case 25: /* cursor on/off */
SUBR_CURSOR(ip, (c == 'h') ? DRAW_CURSOR : ERASE_CURSOR);
break;
}
ip->escape = 0;
return;
default:
ip->escape = 0;
return;
}
break;
default:
ip->escape = 0;
return;
}
}
switch (c) {
case VT: /* VT is treated like LF */
case FF: /* so is FF */
case LF:
/* cr->crlf distinction is done here, on output,
not on input! */
if (ip->linefeed_newline)
ite_crlf (ip);
else
ite_lf (ip);
break;
case CR:
ite_cr (ip);
break;
case BS:
if (--ip->curx < 0)
ip->curx = 0;
else
SUBR_CURSOR(ip, MOVE_CURSOR);
break;
case HT:
for (n = ip->curx + 1; n < ip->cols; n++) {
if (ip->tabs[n]) {
ip->curx = n;
SUBR_CURSOR(ip, MOVE_CURSOR);
break;
}
}
break;
case BEL:
if(kbd_tty && kbd_ite && kbd_ite->tp == kbd_tty)
kbdbell();
break;
case SO:
ip->GL = ip->G1;
break;
case SI:
ip->GL = ip->G0;
break;
case ENQ:
/* send answer-back message !! */
break;
case CAN:
ip->escape = 0; /* cancel any escape sequence in progress */
break;
case SUB:
ip->escape = 0; /* dito, but see below */
/* should also display a reverse question mark!! */
break;
case ESC:
ip->escape = ESC;
break;
/* now it gets weird.. 8bit control sequences.. */
case IND: /* index: move cursor down, scroll */
ite_lf (ip);
break;
case NEL: /* next line. next line, first pos. */
ite_crlf (ip);
break;
case HTS: /* set horizontal tab */
if (ip->curx < ip->cols)
ip->tabs[ip->curx] = 1;
break;
case RI: /* reverse index */
ite_rlf (ip);
break;
case SS2: /* go into G2 for one character */
/* not yet supported */
break;
case SS3: /* go into G3 for one character */
break;
case DCS: /* device control string introducer */
ip->escape = DCS;
ip->ap = ip->argbuf;
break;
case CSI: /* control sequence introducer */
ip->escape = CSI;
ip->ap = ip->argbuf;
break;
case ST: /* string terminator */
/* ignore, if not used as terminator */
break;
case OSC: /* introduces OS command. Ignore everything upto ST */
ip->escape = OSC;
break;
case PM: /* privacy message, ignore everything upto ST */
ip->escape = PM;
break;
case APC: /* application program command, ignore everything upto ST */
ip->escape = APC;
break;
default:
if (c < ' ' || c == DEL)
break;
if (ip->imode)
ite_inchar(ip, 1);
iteprecheckwrap(ip);
#ifdef DO_WEIRD_ATTRIBUTES
if ((ip->attribute & ATTR_INV) || attrtest(ip, ATTR_INV)) {
attrset(ip, ATTR_INV);
SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_INV);
}
else
SUBR_PUTC(ip, c, ip->cury, ip->curx, ATTR_NOR);
#else
SUBR_PUTC(ip, c, ip->cury, ip->curx, ip->attribute);
#endif
SUBR_CURSOR(ip, DRAW_CURSOR);
itecheckwrap(ip);
break;
}
}
static void
iteprecheckwrap(ip)
struct ite_softc *ip;
{
if (ip->auto_wrap && ip->curx == ip->cols) {
ip->curx = 0;
clr_attr(ip, ATTR_INV);
if (++ip->cury >= ip->bottom_margin + 1) {
ip->cury = ip->bottom_margin;
SUBR_CURSOR(ip, MOVE_CURSOR);
SUBR_SCROLL(ip, ip->top_margin + 1, 0, 1, SCROLL_UP);
ite_clrtoeol(ip);
} else
SUBR_CURSOR(ip, MOVE_CURSOR);
}
}
static void
itecheckwrap(ip)
struct ite_softc *ip;
{
if (ip->curx < ip->cols) {
ip->curx++;
SUBR_CURSOR(ip, MOVE_CURSOR);
}
}
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