/* $OpenBSD: wskbd.c,v 1.74 2013/10/18 22:06:42 miod Exp $ */ /* $NetBSD: wskbd.c,v 1.80 2005/05/04 01:52:16 augustss Exp $ */ /* * Copyright (c) 1996, 1997 Christopher G. Demetriou. All rights reserved. * * Keysym translator: * Contributed to The NetBSD Foundation by Juergen Hannken-Illjes. * * 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 Christopher G. Demetriou * for the NetBSD Project. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ /* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This software was developed by the Computer Systems Engineering group * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and * contributed to Berkeley. * * 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, Lawrence Berkeley Laboratory. * * 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. 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. * * @(#)kbd.c 8.2 (Berkeley) 10/30/93 */ /* * Keyboard driver (/dev/wskbd*). Translates incoming bytes to ASCII or * to `wscons_events' and passes them up to the appropriate reader. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "audio.h" /* NAUDIO (mixer tuning) */ #include "wsdisplay.h" #include "wskbd.h" #include "wsmux.h" #ifdef WSKBD_DEBUG #define DPRINTF(x) if (wskbddebug) printf x int wskbddebug = 0; #else #define DPRINTF(x) #endif #include struct wskbd_internal { const struct wskbd_mapdata *t_keymap; const struct wskbd_consops *t_consops; void *t_consaccesscookie; int t_modifiers; int t_composelen; /* remaining entries in t_composebuf */ keysym_t t_composebuf[2]; int t_flags; #define WSKFL_METAESC 1 #define MAXKEYSYMSPERKEY 2 /* ESC at max */ keysym_t t_symbols[MAXKEYSYMSPERKEY]; struct wskbd_softc *t_sc; /* back pointer */ }; struct wskbd_softc { struct wsevsrc sc_base; struct wskbd_internal *id; const struct wskbd_accessops *sc_accessops; void *sc_accesscookie; int sc_ledstate; int sc_isconsole; struct wskbd_bell_data sc_bell_data; struct wskbd_keyrepeat_data sc_keyrepeat_data; int sc_repeating; /* we've called timeout() */ int sc_repkey; struct timeout sc_repeat_ch; u_int sc_repeat_type; int sc_repeat_value; int sc_translating; /* xlate to chars for emulation */ int sc_maplen; /* number of entries in sc_map */ struct wscons_keymap *sc_map; /* current translation map */ kbd_t sc_layout; /* current layout */ int sc_refcnt; u_char sc_dying; /* device is being detached */ }; #define MOD_SHIFT_L (1 << 0) #define MOD_SHIFT_R (1 << 1) #define MOD_SHIFTLOCK (1 << 2) #define MOD_CAPSLOCK (1 << 3) #define MOD_CONTROL_L (1 << 4) #define MOD_CONTROL_R (1 << 5) #define MOD_META_L (1 << 6) #define MOD_META_R (1 << 7) #define MOD_MODESHIFT (1 << 8) #define MOD_NUMLOCK (1 << 9) #define MOD_COMPOSE (1 << 10) #define MOD_HOLDSCREEN (1 << 11) #define MOD_COMMAND (1 << 12) #define MOD_COMMAND1 (1 << 13) #define MOD_COMMAND2 (1 << 14) #define MOD_MODELOCK (1 << 15) #define MOD_ANYSHIFT (MOD_SHIFT_L | MOD_SHIFT_R | MOD_SHIFTLOCK) #define MOD_ANYCONTROL (MOD_CONTROL_L | MOD_CONTROL_R) #define MOD_ANYMETA (MOD_META_L | MOD_META_R) #define MOD_ANYLED (MOD_SHIFTLOCK | MOD_CAPSLOCK | MOD_NUMLOCK | \ MOD_COMPOSE | MOD_HOLDSCREEN) #define MOD_ONESET(id, mask) (((id)->t_modifiers & (mask)) != 0) #define MOD_ALLSET(id, mask) (((id)->t_modifiers & (mask)) == (mask)) keysym_t ksym_upcase(keysym_t); int wskbd_match(struct device *, void *, void *); void wskbd_attach(struct device *, struct device *, void *); int wskbd_detach(struct device *, int); int wskbd_activate(struct device *, int); int wskbd_displayioctl(struct device *, u_long, caddr_t, int, struct proc *); void update_leds(struct wskbd_internal *); void update_modifier(struct wskbd_internal *, u_int, int, int); int internal_command(struct wskbd_softc *, u_int *, keysym_t, keysym_t); int wskbd_translate(struct wskbd_internal *, u_int, int); int wskbd_enable(struct wskbd_softc *, int); #if NWSDISPLAY > 0 void change_displayparam(struct wskbd_softc *, int, int, int); #endif int wskbd_do_ioctl_sc(struct wskbd_softc *, u_long, caddr_t, int, struct proc *); void wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value); #if NWSMUX > 0 int wskbd_mux_open(struct wsevsrc *, struct wseventvar *); int wskbd_mux_close(struct wsevsrc *); #else #define wskbd_mux_open NULL #define wskbd_mux_close NULL #endif int wskbd_do_open(struct wskbd_softc *, struct wseventvar *); int wskbd_do_ioctl(struct device *, u_long, caddr_t, int, struct proc *); struct cfdriver wskbd_cd = { NULL, "wskbd", DV_TTY }; struct cfattach wskbd_ca = { sizeof (struct wskbd_softc), wskbd_match, wskbd_attach, wskbd_detach, wskbd_activate }; #if defined(__i386__) || defined(__amd64__) extern int kbd_reset; #endif #ifndef WSKBD_DEFAULT_BELL_PITCH #define WSKBD_DEFAULT_BELL_PITCH 400 /* 400Hz */ #endif #ifndef WSKBD_DEFAULT_BELL_PERIOD #define WSKBD_DEFAULT_BELL_PERIOD 100 /* 100ms */ #endif #ifndef WSKBD_DEFAULT_BELL_VOLUME #define WSKBD_DEFAULT_BELL_VOLUME 50 /* 50% volume */ #endif struct wskbd_bell_data wskbd_default_bell_data = { WSKBD_BELL_DOALL, WSKBD_DEFAULT_BELL_PITCH, WSKBD_DEFAULT_BELL_PERIOD, WSKBD_DEFAULT_BELL_VOLUME, }; #ifndef WSKBD_DEFAULT_KEYREPEAT_DEL1 #define WSKBD_DEFAULT_KEYREPEAT_DEL1 400 /* 400ms to start repeating */ #endif #ifndef WSKBD_DEFAULT_KEYREPEAT_DELN #define WSKBD_DEFAULT_KEYREPEAT_DELN 100 /* 100ms to between repeats */ #endif struct wskbd_keyrepeat_data wskbd_default_keyrepeat_data = { WSKBD_KEYREPEAT_DOALL, WSKBD_DEFAULT_KEYREPEAT_DEL1, WSKBD_DEFAULT_KEYREPEAT_DELN, }; #if NWSMUX > 0 || NWSDISPLAY > 0 struct wssrcops wskbd_srcops = { WSMUX_KBD, wskbd_mux_open, wskbd_mux_close, wskbd_do_ioctl, wskbd_displayioctl, #if NWSDISPLAY > 0 wskbd_set_display #else NULL #endif }; #endif #if NWSDISPLAY > 0 void wskbd_repeat(void *v); #endif static int wskbd_console_initted; static struct wskbd_softc *wskbd_console_device; static struct wskbd_internal wskbd_console_data; void wskbd_update_layout(struct wskbd_internal *, kbd_t); #if NAUDIO > 0 extern int wskbd_set_mixervolume(long dir, int out); #endif void wskbd_update_layout(struct wskbd_internal *id, kbd_t enc) { if (enc & KB_METAESC) id->t_flags |= WSKFL_METAESC; else id->t_flags &= ~WSKFL_METAESC; } /* * Print function (for parent devices). */ int wskbddevprint(void *aux, const char *pnp) { #if 0 struct wskbddev_attach_args *ap = aux; #endif if (pnp) printf("wskbd at %s", pnp); #if 0 printf(" console %d", ap->console); #endif return (UNCONF); } int wskbd_match(struct device *parent, void *match, void *aux) { struct cfdata *cf = match; struct wskbddev_attach_args *ap = aux; if (cf->wskbddevcf_console != WSKBDDEVCF_CONSOLE_UNK) { /* * If console-ness of device specified, either match * exactly (at high priority), or fail. */ if (cf->wskbddevcf_console != 0 && ap->console != 0) return (10); else return (0); } /* If console-ness unspecified, it wins. */ return (1); } void wskbd_attach(struct device *parent, struct device *self, void *aux) { struct wskbd_softc *sc = (struct wskbd_softc *)self; struct wskbddev_attach_args *ap = aux; #if NWSMUX > 0 int mux, error; #endif sc->sc_isconsole = ap->console; #if NWSMUX > 0 || NWSDISPLAY > 0 sc->sc_base.me_ops = &wskbd_srcops; #endif #if NWSMUX > 0 mux = sc->sc_base.me_dv.dv_cfdata->wskbddevcf_mux; if (ap->console) { /* Ignore mux for console; it always goes to the console mux. */ /* printf(" (mux %d ignored for console)", mux); */ mux = -1; } if (mux >= 0) printf(" mux %d", mux); #else #if 0 /* not worth keeping, especially since the default value is not -1... */ if (sc->sc_base.me_dv.dv_cfdata->wskbddevcf_mux >= 0) printf(" (mux ignored)"); #endif #endif /* NWSMUX > 0 */ if (ap->console) { sc->id = &wskbd_console_data; } else { sc->id = malloc(sizeof(struct wskbd_internal), M_DEVBUF, M_WAITOK | M_ZERO); sc->id->t_keymap = ap->keymap; wskbd_update_layout(sc->id, ap->keymap->layout); } #if NWSDISPLAY > 0 timeout_set(&sc->sc_repeat_ch, wskbd_repeat, sc); #endif sc->id->t_sc = sc; sc->sc_accessops = ap->accessops; sc->sc_accesscookie = ap->accesscookie; sc->sc_repeating = 0; sc->sc_translating = 1; sc->sc_ledstate = -1; /* force update */ if (wskbd_load_keymap(sc->id->t_keymap, &sc->sc_map, &sc->sc_maplen) != 0) panic("cannot load keymap"); sc->sc_layout = sc->id->t_keymap->layout; /* set default bell and key repeat data */ sc->sc_bell_data = wskbd_default_bell_data; sc->sc_keyrepeat_data = wskbd_default_keyrepeat_data; if (ap->console) { KASSERT(wskbd_console_initted); KASSERT(wskbd_console_device == NULL); wskbd_console_device = sc; printf(": console keyboard"); #if NWSDISPLAY > 0 wsdisplay_set_console_kbd(&sc->sc_base); /* sets sc_displaydv */ if (sc->sc_displaydv != NULL) printf(", using %s", sc->sc_displaydv->dv_xname); #endif } printf("\n"); #if NWSMUX > 0 if (mux >= 0) { error = wsmux_attach_sc(wsmux_getmux(mux), &sc->sc_base); if (error) printf("%s: attach error=%d\n", sc->sc_base.me_dv.dv_xname, error); } #endif #if NWSDISPLAY > 0 && NWSMUX == 0 if (ap->console == 0) { /* * In the non-wsmux world, always connect wskbd0 and wsdisplay0 * together. */ extern struct cfdriver wsdisplay_cd; if (wsdisplay_cd.cd_ndevs != 0 && self->dv_unit == 0) { if (wskbd_set_display(self, wsdisplay_cd.cd_devs[0]) == 0) wsdisplay_set_kbd(wsdisplay_cd.cd_devs[0], (struct wsevsrc *)sc); } } #endif } void wskbd_cnattach(const struct wskbd_consops *consops, void *conscookie, const struct wskbd_mapdata *mapdata) { KASSERT(!wskbd_console_initted); wskbd_console_data.t_keymap = mapdata; wskbd_update_layout(&wskbd_console_data, mapdata->layout); wskbd_console_data.t_consops = consops; wskbd_console_data.t_consaccesscookie = conscookie; #if NWSDISPLAY > 0 wsdisplay_set_cons_kbd(wskbd_cngetc, wskbd_cnpollc, wskbd_cnbell); #endif wskbd_console_initted = 1; } void wskbd_cndetach(void) { KASSERT(wskbd_console_initted); wskbd_console_data.t_keymap = 0; wskbd_console_data.t_consops = 0; wskbd_console_data.t_consaccesscookie = 0; #if NWSDISPLAY > 0 wsdisplay_unset_cons_kbd(); #endif wskbd_console_initted = 0; } #if NWSDISPLAY > 0 void wskbd_repeat(void *v) { struct wskbd_softc *sc = (struct wskbd_softc *)v; int s = spltty(); if (sc->sc_repeating == 0) { /* * race condition: a "key up" event came in when wskbd_repeat() * was already called but not yet spltty()'d */ splx(s); return; } if (sc->sc_translating) { /* deliver keys */ if (sc->sc_displaydv != NULL) wsdisplay_kbdinput(sc->sc_displaydv, sc->id->t_keymap->layout, sc->id->t_symbols, sc->sc_repeating); } else { /* queue event */ wskbd_deliver_event(sc, sc->sc_repeat_type, sc->sc_repeat_value); } if (sc->sc_keyrepeat_data.delN != 0) timeout_add_msec(&sc->sc_repeat_ch, sc->sc_keyrepeat_data.delN); splx(s); } #endif int wskbd_activate(struct device *self, int act) { struct wskbd_softc *sc = (struct wskbd_softc *)self; if (act == DVACT_DEACTIVATE) sc->sc_dying = 1; return (0); } /* * Detach a keyboard. To keep track of users of the softc we keep * a reference count that's incremented while inside, e.g., read. * If the keyboard is active and the reference count is > 0 (0 is the * normal state) we post an event and then wait for the process * that had the reference to wake us up again. Then we blow away the * vnode and return (which will deallocate the softc). */ int wskbd_detach(struct device *self, int flags) { struct wskbd_softc *sc = (struct wskbd_softc *)self; struct wseventvar *evar; int maj, mn; int s; #if NWSMUX > 0 /* Tell parent mux we're leaving. */ if (sc->sc_base.me_parent != NULL) wsmux_detach_sc(&sc->sc_base); #endif #if NWSDISPLAY > 0 if (sc->sc_repeating) { sc->sc_repeating = 0; timeout_del(&sc->sc_repeat_ch); } #endif if (sc->sc_isconsole) { KASSERT(wskbd_console_device == sc); wskbd_console_device = NULL; } evar = sc->sc_base.me_evp; if (evar != NULL && evar->io != NULL) { s = spltty(); if (--sc->sc_refcnt >= 0) { /* Wake everyone by generating a dummy event. */ if (++evar->put >= WSEVENT_QSIZE) evar->put = 0; WSEVENT_WAKEUP(evar); /* Wait for processes to go away. */ if (tsleep(sc, PZERO, "wskdet", hz * 60)) printf("wskbd_detach: %s didn't detach\n", sc->sc_base.me_dv.dv_xname); } splx(s); } /* locate the major number */ for (maj = 0; maj < nchrdev; maj++) if (cdevsw[maj].d_open == wskbdopen) break; /* Nuke the vnodes for any open instances. */ mn = self->dv_unit; vdevgone(maj, mn, mn, VCHR); return (0); } void wskbd_input(struct device *dev, u_int type, int value) { struct wskbd_softc *sc = (struct wskbd_softc *)dev; #if NWSDISPLAY > 0 int num; #endif #if NWSDISPLAY > 0 if (sc->sc_repeating) { sc->sc_repeating = 0; timeout_del(&sc->sc_repeat_ch); } /* * If /dev/wskbdN is not connected in event mode translate and * send upstream. */ if (sc->sc_translating) { #ifdef HAVE_BURNER_SUPPORT if (type == WSCONS_EVENT_KEY_DOWN && sc->sc_displaydv != NULL) wsdisplay_burn(sc->sc_displaydv, WSDISPLAY_BURN_KBD); #endif num = wskbd_translate(sc->id, type, value); if (num > 0) { if (sc->sc_displaydv != NULL) { #ifdef HAVE_SCROLLBACK_SUPPORT /* XXX - Shift_R+PGUP(release) emits PrtSc */ if (sc->id->t_symbols[0] != KS_Print_Screen) { wsscrollback(sc->sc_displaydv, WSDISPLAY_SCROLL_RESET); } #endif wsdisplay_kbdinput(sc->sc_displaydv, sc->id->t_keymap->layout, sc->id->t_symbols, num); } if (sc->sc_keyrepeat_data.del1 != 0) { sc->sc_repeating = num; timeout_add_msec(&sc->sc_repeat_ch, sc->sc_keyrepeat_data.del1); } } return; } #endif wskbd_deliver_event(sc, type, value); #if NWSDISPLAY > 0 /* Repeat key presses if enabled. */ if (type == WSCONS_EVENT_KEY_DOWN && sc->sc_keyrepeat_data.del1 != 0) { sc->sc_repeat_type = type; sc->sc_repeat_value = value; sc->sc_repeating = 1; timeout_add_msec(&sc->sc_repeat_ch, sc->sc_keyrepeat_data.del1); } #endif } /* * Keyboard is generating events. Turn this keystroke into an * event and put it in the queue. If the queue is full, the * keystroke is lost (sorry!). */ void wskbd_deliver_event(struct wskbd_softc *sc, u_int type, int value) { struct wseventvar *evar; struct wscons_event *ev; int put; evar = sc->sc_base.me_evp; if (evar == NULL) { DPRINTF(("wskbd_input: not open\n")); return; } #ifdef DIAGNOSTIC if (evar->q == NULL) { printf("wskbd_input: evar->q=NULL\n"); return; } #endif put = evar->put; ev = &evar->q[put]; put = (put + 1) % WSEVENT_QSIZE; if (put == evar->get) { log(LOG_WARNING, "%s: event queue overflow\n", sc->sc_base.me_dv.dv_xname); return; } ev->type = type; ev->value = value; nanotime(&ev->time); evar->put = put; WSEVENT_WAKEUP(evar); } #ifdef WSDISPLAY_COMPAT_RAWKBD void wskbd_rawinput(struct device *dev, u_char *buf, int len) { #if NWSDISPLAY > 0 struct wskbd_softc *sc = (struct wskbd_softc *)dev; if (sc->sc_displaydv != NULL) wsdisplay_rawkbdinput(sc->sc_displaydv, buf, len); #endif } #endif /* WSDISPLAY_COMPAT_RAWKBD */ int wskbd_enable(struct wskbd_softc *sc, int on) { int error; #if NWSDISPLAY > 0 if (sc->sc_displaydv != NULL) return (0); /* Always cancel auto repeat when fiddling with the kbd. */ if (sc->sc_repeating) { sc->sc_repeating = 0; timeout_del(&sc->sc_repeat_ch); } #endif error = (*sc->sc_accessops->enable)(sc->sc_accesscookie, on); DPRINTF(("wskbd_enable: sc=%p on=%d res=%d\n", sc, on, error)); return (error); } #if NWSMUX > 0 int wskbd_mux_open(struct wsevsrc *me, struct wseventvar *evp) { struct wskbd_softc *sc = (struct wskbd_softc *)me; if (sc->sc_dying) return (EIO); if (sc->sc_base.me_evp != NULL) return (EBUSY); return (wskbd_do_open(sc, evp)); } #endif int wskbdopen(dev_t dev, int flags, int mode, struct proc *p) { struct wskbd_softc *sc; struct wseventvar *evar; int unit, error; unit = minor(dev); if (unit >= wskbd_cd.cd_ndevs || /* make sure it was attached */ (sc = wskbd_cd.cd_devs[unit]) == NULL) return (ENXIO); #if NWSMUX > 0 DPRINTF(("wskbdopen: %s mux=%p p=%p\n", sc->sc_base.me_dv.dv_xname, sc->sc_base.me_parent, p)); #endif if (sc->sc_dying) return (EIO); if ((flags & (FREAD | FWRITE)) == FWRITE) { /* Not opening for read, only ioctl is available. */ return (0); } #if NWSMUX > 0 if (sc->sc_base.me_parent != NULL) { /* Grab the keyboard out of the greedy hands of the mux. */ DPRINTF(("wskbdopen: detach\n")); wsmux_detach_sc(&sc->sc_base); } #endif if (sc->sc_base.me_evp != NULL) return (EBUSY); evar = &sc->sc_base.me_evar; wsevent_init(evar); evar->io = p->p_p; error = wskbd_do_open(sc, evar); if (error) { DPRINTF(("wskbdopen: %s open failed\n", sc->sc_base.me_dv.dv_xname)); sc->sc_base.me_evp = NULL; wsevent_fini(evar); } return (error); } int wskbd_do_open(struct wskbd_softc *sc, struct wseventvar *evp) { sc->sc_base.me_evp = evp; sc->sc_translating = 0; return (wskbd_enable(sc, 1)); } int wskbdclose(dev_t dev, int flags, int mode, struct proc *p) { struct wskbd_softc *sc = (struct wskbd_softc *)wskbd_cd.cd_devs[minor(dev)]; struct wseventvar *evar = sc->sc_base.me_evp; if (evar == NULL) /* not open for read */ return (0); sc->sc_base.me_evp = NULL; sc->sc_translating = 1; (void)wskbd_enable(sc, 0); wsevent_fini(evar); #if NWSMUX > 0 if (sc->sc_base.me_parent == NULL) { int mux, error; DPRINTF(("wskbdclose: attach\n")); mux = sc->sc_base.me_dv.dv_cfdata->wskbddevcf_mux; if (mux >= 0) { error = wsmux_attach_sc(wsmux_getmux(mux), &sc->sc_base); if (error) printf("%s: can't attach mux (error=%d)\n", sc->sc_base.me_dv.dv_xname, error); } } #endif return (0); } #if NWSMUX > 0 int wskbd_mux_close(struct wsevsrc *me) { struct wskbd_softc *sc = (struct wskbd_softc *)me; sc->sc_base.me_evp = NULL; sc->sc_translating = 1; (void)wskbd_enable(sc, 0); return (0); } #endif int wskbdread(dev_t dev, struct uio *uio, int flags) { struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)]; int error; if (sc->sc_dying) return (EIO); #ifdef DIAGNOSTIC if (sc->sc_base.me_evp == NULL) { printf("wskbdread: evp == NULL\n"); return (EINVAL); } #endif sc->sc_refcnt++; error = wsevent_read(&sc->sc_base.me_evar, uio, flags); if (--sc->sc_refcnt < 0) { wakeup(sc); error = EIO; } return (error); } int wskbdioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) { return (wskbd_do_ioctl(wskbd_cd.cd_devs[minor(dev)], cmd, data, flag,p)); } /* A wrapper around the ioctl() workhorse to make reference counting easy. */ int wskbd_do_ioctl(struct device *dv, u_long cmd, caddr_t data, int flag, struct proc *p) { struct wskbd_softc *sc = (struct wskbd_softc *)dv; int error; sc->sc_refcnt++; error = wskbd_do_ioctl_sc(sc, cmd, data, flag, p); if (--sc->sc_refcnt < 0) wakeup(sc); return (error); } int wskbd_do_ioctl_sc(struct wskbd_softc *sc, u_long cmd, caddr_t data, int flag, struct proc *p) { int error; /* * Try the generic ioctls that the wskbd interface supports. */ switch (cmd) { case FIONBIO: /* we will remove this someday (soon???) */ return (0); case FIOASYNC: if (sc->sc_base.me_evp == NULL) return (EINVAL); sc->sc_base.me_evp->async = *(int *)data != 0; return (0); case FIOSETOWN: if (sc->sc_base.me_evp == NULL) return (EINVAL); if (-*(int *)data != sc->sc_base.me_evp->io->ps_pgid && *(int *)data != sc->sc_base.me_evp->io->ps_pid) return (EPERM); return (0); case TIOCSPGRP: if (sc->sc_base.me_evp == NULL) return (EINVAL); if (*(int *)data != sc->sc_base.me_evp->io->ps_pgid) return (EPERM); return (0); } /* * Try the keyboard driver for WSKBDIO ioctls. It returns -1 * if it didn't recognize the request. */ error = wskbd_displayioctl(&sc->sc_base.me_dv, cmd, data, flag, p); return (error != -1 ? error : ENOTTY); } /* * WSKBDIO ioctls, handled in both emulation mode and in ``raw'' mode. * Some of these have no real effect in raw mode, however. */ int wskbd_displayioctl(struct device *dev, u_long cmd, caddr_t data, int flag, struct proc *p) { struct wskbd_softc *sc = (struct wskbd_softc *)dev; struct wskbd_bell_data *ubdp, *kbdp; struct wskbd_keyrepeat_data *ukdp, *kkdp; struct wskbd_map_data *umdp; struct wskbd_mapdata md; kbd_t enc; void *buf; int len, error; switch (cmd) { case WSKBDIO_BELL: case WSKBDIO_COMPLEXBELL: case WSKBDIO_SETBELL: case WSKBDIO_SETKEYREPEAT: case WSKBDIO_SETDEFAULTKEYREPEAT: case WSKBDIO_SETMAP: case WSKBDIO_SETENCODING: if ((flag & FWRITE) == 0) return (EACCES); } switch (cmd) { #define SETBELL(dstp, srcp, dfltp) \ do { \ (dstp)->pitch = ((srcp)->which & WSKBD_BELL_DOPITCH) ? \ (srcp)->pitch : (dfltp)->pitch; \ (dstp)->period = ((srcp)->which & WSKBD_BELL_DOPERIOD) ? \ (srcp)->period : (dfltp)->period; \ (dstp)->volume = ((srcp)->which & WSKBD_BELL_DOVOLUME) ? \ (srcp)->volume : (dfltp)->volume; \ (dstp)->which = WSKBD_BELL_DOALL; \ } while (0) case WSKBDIO_BELL: return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, WSKBDIO_COMPLEXBELL, (caddr_t)&sc->sc_bell_data, flag, p)); case WSKBDIO_COMPLEXBELL: ubdp = (struct wskbd_bell_data *)data; SETBELL(ubdp, ubdp, &sc->sc_bell_data); return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, WSKBDIO_COMPLEXBELL, (caddr_t)ubdp, flag, p)); case WSKBDIO_SETBELL: kbdp = &sc->sc_bell_data; setbell: ubdp = (struct wskbd_bell_data *)data; SETBELL(kbdp, ubdp, kbdp); return (0); case WSKBDIO_GETBELL: kbdp = &sc->sc_bell_data; getbell: ubdp = (struct wskbd_bell_data *)data; SETBELL(ubdp, kbdp, kbdp); return (0); case WSKBDIO_SETDEFAULTBELL: if ((error = suser(p, 0)) != 0) return (error); kbdp = &wskbd_default_bell_data; goto setbell; case WSKBDIO_GETDEFAULTBELL: kbdp = &wskbd_default_bell_data; goto getbell; #undef SETBELL #define SETKEYREPEAT(dstp, srcp, dfltp) \ do { \ (dstp)->del1 = ((srcp)->which & WSKBD_KEYREPEAT_DODEL1) ? \ (srcp)->del1 : (dfltp)->del1; \ (dstp)->delN = ((srcp)->which & WSKBD_KEYREPEAT_DODELN) ? \ (srcp)->delN : (dfltp)->delN; \ (dstp)->which = WSKBD_KEYREPEAT_DOALL; \ } while (0) case WSKBDIO_SETKEYREPEAT: kkdp = &sc->sc_keyrepeat_data; setkeyrepeat: ukdp = (struct wskbd_keyrepeat_data *)data; SETKEYREPEAT(kkdp, ukdp, kkdp); return (0); case WSKBDIO_GETKEYREPEAT: kkdp = &sc->sc_keyrepeat_data; getkeyrepeat: ukdp = (struct wskbd_keyrepeat_data *)data; SETKEYREPEAT(ukdp, kkdp, kkdp); return (0); case WSKBDIO_SETDEFAULTKEYREPEAT: if ((error = suser(p, 0)) != 0) return (error); kkdp = &wskbd_default_keyrepeat_data; goto setkeyrepeat; case WSKBDIO_GETDEFAULTKEYREPEAT: kkdp = &wskbd_default_keyrepeat_data; goto getkeyrepeat; #undef SETKEYREPEAT case WSKBDIO_SETMAP: umdp = (struct wskbd_map_data *)data; if (umdp->maplen > WSKBDIO_MAXMAPLEN) return (EINVAL); len = umdp->maplen * sizeof(struct wscons_keymap); buf = malloc(len, M_TEMP, M_WAITOK); error = copyin(umdp->map, buf, len); if (error == 0) { wskbd_init_keymap(umdp->maplen, &sc->sc_map, &sc->sc_maplen); memcpy(sc->sc_map, buf, len); /* drop the variant bits handled by the map */ sc->sc_layout = KB_USER | (KB_VARIANT(sc->sc_layout) & KB_HANDLEDBYWSKBD); wskbd_update_layout(sc->id, sc->sc_layout); } free(buf, M_TEMP); return(error); case WSKBDIO_GETMAP: umdp = (struct wskbd_map_data *)data; if (umdp->maplen > sc->sc_maplen) umdp->maplen = sc->sc_maplen; error = copyout(sc->sc_map, umdp->map, umdp->maplen*sizeof(struct wscons_keymap)); return(error); case WSKBDIO_GETENCODING: *((kbd_t *) data) = sc->sc_layout; return(0); case WSKBDIO_SETENCODING: enc = *((kbd_t *)data); if (KB_ENCODING(enc) == KB_USER) { /* user map must already be loaded */ if (KB_ENCODING(sc->sc_layout) != KB_USER) return (EINVAL); /* map variants make no sense */ if (KB_VARIANT(enc) & ~KB_HANDLEDBYWSKBD) return (EINVAL); } else { md = *(sc->id->t_keymap); /* structure assignment */ md.layout = enc; error = wskbd_load_keymap(&md, &sc->sc_map, &sc->sc_maplen); if (error) return(error); } sc->sc_layout = enc; wskbd_update_layout(sc->id, enc); return (0); } /* * Try the keyboard driver for WSKBDIO ioctls. It returns -1 * if it didn't recognize the request, and in turn we return * -1 if we didn't recognize the request. */ /* printf("kbdaccess\n"); */ error = (*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data, flag, p); #ifdef WSDISPLAY_COMPAT_RAWKBD if (!error && cmd == WSKBDIO_SETMODE && *(int *)data == WSKBD_RAW) { int s = spltty(); sc->id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R | MOD_CONTROL_L | MOD_CONTROL_R | MOD_META_L | MOD_META_R | MOD_COMMAND | MOD_COMMAND1 | MOD_COMMAND2); #if NWSDISPLAY > 0 if (sc->sc_repeating) { sc->sc_repeating = 0; timeout_del(&sc->sc_repeat_ch); } #endif splx(s); } #endif return (error); } int wskbdpoll(dev_t dev, int events, struct proc *p) { struct wskbd_softc *sc = wskbd_cd.cd_devs[minor(dev)]; if (sc->sc_base.me_evp == NULL) return (POLLERR); return (wsevent_poll(sc->sc_base.me_evp, events, p)); } #if NWSDISPLAY > 0 int wskbd_pickfree(void) { int i; struct wskbd_softc *sc; for (i = 0; i < wskbd_cd.cd_ndevs; i++) { if ((sc = wskbd_cd.cd_devs[i]) == NULL) continue; if (sc->sc_displaydv == NULL) return (i); } return (-1); } struct wsevsrc * wskbd_set_console_display(struct device *displaydv, struct wsevsrc *me) { struct wskbd_softc *sc = wskbd_console_device; if (sc == NULL) return (NULL); sc->sc_displaydv = displaydv; #if NWSMUX > 0 (void)wsmux_attach_sc((struct wsmux_softc *)me, &sc->sc_base); #endif return (&sc->sc_base); } int wskbd_set_display(struct device *dv, struct device *displaydv) { struct wskbd_softc *sc = (struct wskbd_softc *)dv; struct device *odisplaydv; int error; DPRINTF(("wskbd_set_display: %s odisp=%p disp=%p cons=%d\n", dv->dv_xname, sc->sc_displaydv, displaydv, sc->sc_isconsole)); if (sc->sc_isconsole) return (EBUSY); if (displaydv != NULL) { if (sc->sc_displaydv != NULL) return (EBUSY); } else { if (sc->sc_displaydv == NULL) return (ENXIO); } odisplaydv = sc->sc_displaydv; sc->sc_displaydv = NULL; error = wskbd_enable(sc, displaydv != NULL); sc->sc_displaydv = displaydv; if (error) { sc->sc_displaydv = odisplaydv; return (error); } if (displaydv) printf("%s: connecting to %s\n", sc->sc_base.me_dv.dv_xname, displaydv->dv_xname); else printf("%s: disconnecting from %s\n", sc->sc_base.me_dv.dv_xname, odisplaydv->dv_xname); return (0); } #endif /* NWSDISPLAY > 0 */ #if NWSMUX > 0 int wskbd_add_mux(int unit, struct wsmux_softc *muxsc) { struct wskbd_softc *sc; if (unit < 0 || unit >= wskbd_cd.cd_ndevs || (sc = wskbd_cd.cd_devs[unit]) == NULL) return (ENXIO); if (sc->sc_base.me_parent != NULL || sc->sc_base.me_evp != NULL) return (EBUSY); return (wsmux_attach_sc(muxsc, &sc->sc_base)); } #endif /* * Console interface. */ int wskbd_cngetc(dev_t dev) { static int num = 0; static int pos; u_int type; int data; keysym_t ks; if (!wskbd_console_initted) return 0; if (wskbd_console_device != NULL && !wskbd_console_device->sc_translating) return 0; for(;;) { if (num-- > 0) { ks = wskbd_console_data.t_symbols[pos++]; if (KS_GROUP(ks) == KS_GROUP_Ascii) return (KS_VALUE(ks)); } else { (*wskbd_console_data.t_consops->getc) (wskbd_console_data.t_consaccesscookie, &type, &data); num = wskbd_translate(&wskbd_console_data, type, data); pos = 0; } } } void wskbd_cnpollc(dev_t dev, int poll) { if (!wskbd_console_initted) return; if (wskbd_console_device != NULL && !wskbd_console_device->sc_translating) return; (*wskbd_console_data.t_consops->pollc) (wskbd_console_data.t_consaccesscookie, poll); } void wskbd_cnbell(dev_t dev, u_int pitch, u_int period, u_int volume) { if (!wskbd_console_initted) return; if (wskbd_console_data.t_consops->bell != NULL) (*wskbd_console_data.t_consops->bell) (wskbd_console_data.t_consaccesscookie, pitch, period, volume); } void update_leds(struct wskbd_internal *id) { int new_state; new_state = 0; if (id->t_modifiers & (MOD_SHIFTLOCK | MOD_CAPSLOCK)) new_state |= WSKBD_LED_CAPS; if (id->t_modifiers & MOD_NUMLOCK) new_state |= WSKBD_LED_NUM; if (id->t_modifiers & MOD_COMPOSE) new_state |= WSKBD_LED_COMPOSE; if (id->t_modifiers & MOD_HOLDSCREEN) new_state |= WSKBD_LED_SCROLL; if (id->t_sc && new_state != id->t_sc->sc_ledstate) { (*id->t_sc->sc_accessops->set_leds) (id->t_sc->sc_accesscookie, new_state); id->t_sc->sc_ledstate = new_state; } } void update_modifier(struct wskbd_internal *id, u_int type, int toggle, int mask) { if (toggle) { if (type == WSCONS_EVENT_KEY_DOWN) id->t_modifiers ^= mask; } else { if (type == WSCONS_EVENT_KEY_DOWN) id->t_modifiers |= mask; else id->t_modifiers &= ~mask; } if (mask & MOD_ANYLED) update_leds(id); } #if NWSDISPLAY > 0 void change_displayparam(struct wskbd_softc *sc, int param, int updown, int wraparound) { int res; struct wsdisplay_param dp; dp.param = param; res = wsdisplay_param(sc->sc_displaydv, WSDISPLAYIO_GETPARAM, &dp); if (res == EINVAL) return; /* no such parameter */ dp.curval += updown; if (dp.max < dp.curval) dp.curval = wraparound ? dp.min : dp.max; else if (dp.curval < dp.min) dp.curval = wraparound ? dp.max : dp.min; wsdisplay_param(sc->sc_displaydv, WSDISPLAYIO_SETPARAM, &dp); } #endif int internal_command(struct wskbd_softc *sc, u_int *type, keysym_t ksym, keysym_t ksym2) { switch (ksym) { case KS_Cmd: update_modifier(sc->id, *type, 0, MOD_COMMAND); ksym = ksym2; break; case KS_Cmd1: update_modifier(sc->id, *type, 0, MOD_COMMAND1); break; case KS_Cmd2: update_modifier(sc->id, *type, 0, MOD_COMMAND2); break; } if (*type != WSCONS_EVENT_KEY_DOWN) return (0); #ifdef HAVE_SCROLLBACK_SUPPORT #if NWSDISPLAY > 0 switch (ksym) { case KS_Cmd_ScrollBack: if (MOD_ONESET(sc->id, MOD_ANYSHIFT)) { if (sc->sc_displaydv != NULL) wsscrollback(sc->sc_displaydv, WSDISPLAY_SCROLL_BACKWARD); return (1); } break; case KS_Cmd_ScrollFwd: if (MOD_ONESET(sc->id, MOD_ANYSHIFT)) { if (sc->sc_displaydv != NULL) wsscrollback(sc->sc_displaydv, WSDISPLAY_SCROLL_FORWARD); return (1); } break; } #endif #endif if (!MOD_ONESET(sc->id, MOD_COMMAND) && !MOD_ALLSET(sc->id, MOD_COMMAND1 | MOD_COMMAND2)) return (0); #ifdef DDB if (ksym == KS_Cmd_Debugger) { if (sc->sc_isconsole && db_console) Debugger(); /* discard this key (ddb discarded command modifiers) */ *type = WSCONS_EVENT_KEY_UP; return (1); } #endif #if NWSDISPLAY > 0 if (sc->sc_displaydv == NULL) return (0); switch (ksym) { case KS_Cmd_Screen0: case KS_Cmd_Screen1: case KS_Cmd_Screen2: case KS_Cmd_Screen3: case KS_Cmd_Screen4: case KS_Cmd_Screen5: case KS_Cmd_Screen6: case KS_Cmd_Screen7: case KS_Cmd_Screen8: case KS_Cmd_Screen9: case KS_Cmd_Screen10: case KS_Cmd_Screen11: wsdisplay_switch(sc->sc_displaydv, ksym - KS_Cmd_Screen0, 0); return (1); case KS_Cmd_ResetEmul: wsdisplay_reset(sc->sc_displaydv, WSDISPLAY_RESETEMUL); return (1); case KS_Cmd_ResetClose: wsdisplay_reset(sc->sc_displaydv, WSDISPLAY_RESETCLOSE); return (1); #if defined(__i386__) || defined(__amd64__) case KS_Cmd_KbdReset: switch (kbd_reset) { #ifdef DDB case 2: if (sc->sc_isconsole && db_console) Debugger(); /* discard this key (ddb discarded command modifiers) */ *type = WSCONS_EVENT_KEY_UP; break; #endif case 1: kbd_reset = 0; psignal(initproc, SIGUSR1); break; default: break; } return (1); #endif case KS_Cmd_BacklightOn: case KS_Cmd_BacklightOff: case KS_Cmd_BacklightToggle: change_displayparam(sc, WSDISPLAYIO_PARAM_BACKLIGHT, ksym == KS_Cmd_BacklightOff ? -1 : 1, ksym == KS_Cmd_BacklightToggle ? 1 : 0); return (1); case KS_Cmd_BrightnessUp: case KS_Cmd_BrightnessDown: case KS_Cmd_BrightnessRotate: change_displayparam(sc, WSDISPLAYIO_PARAM_BRIGHTNESS, ksym == KS_Cmd_BrightnessDown ? -1 : 1, ksym == KS_Cmd_BrightnessRotate ? 1 : 0); return (1); case KS_Cmd_ContrastUp: case KS_Cmd_ContrastDown: case KS_Cmd_ContrastRotate: change_displayparam(sc, WSDISPLAYIO_PARAM_CONTRAST, ksym == KS_Cmd_ContrastDown ? -1 : 1, ksym == KS_Cmd_ContrastRotate ? 1 : 0); return (1); } #endif return (0); } int wskbd_translate(struct wskbd_internal *id, u_int type, int value) { struct wskbd_softc *sc = id->t_sc; keysym_t ksym, res, *group; struct wscons_keymap kpbuf, *kp; int gindex, iscommand = 0; if (type == WSCONS_EVENT_ALL_KEYS_UP) { #if NWSDISPLAY > 0 if (sc != NULL && sc->sc_repeating) { sc->sc_repeating = 0; timeout_del(&sc->sc_repeat_ch); } #endif id->t_modifiers &= ~(MOD_SHIFT_L | MOD_SHIFT_R | MOD_CONTROL_L | MOD_CONTROL_R | MOD_META_L | MOD_META_R | MOD_MODESHIFT | MOD_MODELOCK | MOD_COMMAND | MOD_COMMAND1 | MOD_COMMAND2); return (0); } if (sc != NULL) { if (value < 0 || value >= sc->sc_maplen) { #ifdef DEBUG printf("wskbd_translate: keycode %d out of range\n", value); #endif return (0); } kp = sc->sc_map + value; } else { kp = &kpbuf; wskbd_get_mapentry(id->t_keymap, value, kp); } /* if this key has a command, process it first */ if (sc != NULL && kp->command != KS_voidSymbol) iscommand = internal_command(sc, &type, kp->command, kp->group1[0]); /* Now update modifiers */ switch (kp->group1[0]) { case KS_Shift_L: update_modifier(id, type, 0, MOD_SHIFT_L); break; case KS_Shift_R: update_modifier(id, type, 0, MOD_SHIFT_R); break; case KS_Shift_Lock: update_modifier(id, type, 1, MOD_SHIFTLOCK); break; case KS_Caps_Lock: update_modifier(id, type, 1, MOD_CAPSLOCK); break; case KS_Control_L: update_modifier(id, type, 0, MOD_CONTROL_L); break; case KS_Control_R: update_modifier(id, type, 0, MOD_CONTROL_R); break; case KS_Alt_L: update_modifier(id, type, 0, MOD_META_L); break; case KS_Alt_R: update_modifier(id, type, 0, MOD_META_R); break; case KS_Mode_switch: update_modifier(id, type, 0, MOD_MODESHIFT); break; case KS_Mode_Lock: update_modifier(id, type, 1, MOD_MODELOCK); break; case KS_Num_Lock: update_modifier(id, type, 1, MOD_NUMLOCK); break; #if NWSDISPLAY > 0 case KS_Hold_Screen: if (sc != NULL) { update_modifier(id, type, 1, MOD_HOLDSCREEN); if (sc->sc_displaydv != NULL) wsdisplay_kbdholdscreen(sc->sc_displaydv, id->t_modifiers & MOD_HOLDSCREEN); } break; default: if (sc != NULL && sc->sc_repeating && ((type == WSCONS_EVENT_KEY_UP && value != sc->sc_repkey) || (type == WSCONS_EVENT_KEY_DOWN && value == sc->sc_repkey))) return (0); break; #endif } #if NWSDISPLAY > 0 if (sc != NULL) { if (sc->sc_repeating) { sc->sc_repeating = 0; timeout_del(&sc->sc_repeat_ch); } sc->sc_repkey = value; } #endif /* If this is a key release or we are in command mode, we are done */ if (type != WSCONS_EVENT_KEY_DOWN || iscommand) return (0); /* Get the keysym */ if (id->t_modifiers & (MOD_MODESHIFT|MOD_MODELOCK) && !MOD_ONESET(id, MOD_ANYCONTROL)) group = & kp->group2[0]; else group = & kp->group1[0]; if ((id->t_modifiers & MOD_NUMLOCK) && KS_GROUP(group[1]) == KS_GROUP_Keypad) { gindex = !MOD_ONESET(id, MOD_ANYSHIFT); ksym = group[gindex]; } else { /* CAPS alone should only affect letter keys */ if ((id->t_modifiers & (MOD_CAPSLOCK | MOD_ANYSHIFT)) == MOD_CAPSLOCK) { gindex = 0; ksym = ksym_upcase(group[0]); } else { gindex = MOD_ONESET(id, MOD_ANYSHIFT); ksym = group[gindex]; } } /* Submit Audio keys for hotkey processing */ if (KS_GROUP(ksym) == KS_GROUP_Function) { switch (ksym) { #if NAUDIO > 0 case KS_AudioMute: workq_add_task(NULL, 0, (workq_fn)wskbd_set_mixervolume, (void *)(long)0, (void *)(int)1); return (0); case KS_AudioLower: workq_add_task(NULL, 0, (workq_fn)wskbd_set_mixervolume, (void *)(long)-1, (void*)(int)1); return (0); case KS_AudioRaise: workq_add_task(NULL, 0, (workq_fn)wskbd_set_mixervolume, (void *)(long)1, (void*)(int)1); return (0); #endif default: break; } } /* Process compose sequence and dead accents */ res = KS_voidSymbol; switch (KS_GROUP(ksym)) { case KS_GROUP_Ascii: case KS_GROUP_Keypad: case KS_GROUP_Function: res = ksym; break; case KS_GROUP_Mod: if (ksym == KS_Multi_key) { update_modifier(id, 1, 0, MOD_COMPOSE); id->t_composelen = 2; } break; case KS_GROUP_Dead: if (id->t_composelen == 0) { update_modifier(id, 1, 0, MOD_COMPOSE); id->t_composelen = 1; id->t_composebuf[0] = ksym; } else res = ksym; break; } if (res == KS_voidSymbol) return (0); if (id->t_composelen > 0) { /* * If the compose key also serves as AltGr (i.e. set to both * KS_Multi_key and KS_Mode_switch), and would provide a valid, * distinct combination as AltGr, leave compose mode. */ if (id->t_composelen == 2 && group == &kp->group2[0]) { if (kp->group1[gindex] != kp->group2[gindex]) id->t_composelen = 0; } if (id->t_composelen != 0) { id->t_composebuf[2 - id->t_composelen] = res; if (--id->t_composelen == 0) { res = wskbd_compose_value(id->t_composebuf); update_modifier(id, 0, 0, MOD_COMPOSE); } else { return (0); } } } /* We are done, return the symbol */ if (KS_GROUP(res) == KS_GROUP_Ascii) { if (MOD_ONESET(id, MOD_ANYCONTROL)) { if ((res >= KS_at && res <= KS_z) || res == KS_space) res = res & 0x1f; else if (res == KS_2) res = 0x00; else if (res >= KS_3 && res <= KS_7) res = KS_Escape + (res - KS_3); else if (res == KS_8) res = KS_Delete; } if (MOD_ONESET(id, MOD_ANYMETA)) { if (id->t_flags & WSKFL_METAESC) { id->t_symbols[0] = KS_Escape; id->t_symbols[1] = res; return (2); } else res |= 0x80; } } id->t_symbols[0] = res; return (1); }