/* $XConsortium: amigaKbd.c,v 5.44 94/04/17 20:29:41 erik Exp $ */ /*- * Copyright (c) 1987 by the Regents of the University of California * * Permission to use, copy, modify, and distribute this * software and its documentation for any purpose and without * fee is hereby granted, provided that the above copyright * notice appear in all copies. The University of California * makes no representations about the suitability of this * software for any purpose. It is provided "as is" without * express or implied warranty. */ /************************************************************ Copyright 1987 by Amiga Microsystems, Inc. Mountain View, CA. All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright no- tice appear in all copies and that both that copyright no- tice and this permission notice appear in supporting docu- mentation, and that the names of Amiga or X Consortium not be used in advertising or publicity pertaining to distribution of the software without specific prior written permission. Amiga and X Consortium make no representations about the suitability of this software for any purpose. It is provided "as is" without any express or implied warranty. AMIGA DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL AMIGA BE LI- ABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ********************************************************/ #define NEED_EVENTS #include "amiga.h" #include "keysym.h" #define X_GETTIMEOFDAY(tv) (gettimeofday((tv),0)) #define MIN_KEYCODE 8 /* necessary to avoid the mouse buttons */ #define MAX_KEYCODE 255 /* limited by the protocol */ #ifndef XKB #define AUTOREPEAT_INITIATE 200 #define AUTOREPEAT_DELAY 50 #endif #define tvminus(tv, tv1, tv2) /* tv = tv1 - tv2 */ \ if ((tv1).tv_usec < (tv2).tv_usec) { \ (tv1).tv_usec += 1000000; \ (tv1).tv_sec -= 1; \ } \ (tv).tv_usec = (tv1).tv_usec - (tv2).tv_usec; \ (tv).tv_sec = (tv1).tv_sec - (tv2).tv_sec; #define tvplus(tv, tv1, tv2) /* tv = tv1 + tv2 */ \ (tv).tv_sec = (tv1).tv_sec + (tv2).tv_sec; \ (tv).tv_usec = (tv1).tv_usec + (tv2).tv_usec; \ if ((tv).tv_usec > 1000000) { \ (tv).tv_usec -= 1000000; \ (tv).tv_sec += 1; \ } extern KeySymsRec amigaKeySyms[]; extern AmigaModmapRec* amigaModMaps[]; #ifndef XKB long amigaAutoRepeatInitiate = 1000 * AUTOREPEAT_INITIATE; long amigaAutoRepeatDelay = 1000 * AUTOREPEAT_DELAY; #endif #ifndef XKB static int autoRepeatKeyDown = 0; static int autoRepeatReady; static int autoRepeatFirst; static struct timeval autoRepeatLastKeyDownTv; static struct timeval autoRepeatDeltaTv; #endif void amigaKbdWait() { static struct timeval lastChngKbdTransTv; struct timeval tv; struct timeval lastChngKbdDeltaTv; unsigned int lastChngKbdDelta; X_GETTIMEOFDAY(&tv); if (!lastChngKbdTransTv.tv_sec) lastChngKbdTransTv = tv; tvminus(lastChngKbdDeltaTv, tv, lastChngKbdTransTv); lastChngKbdDelta = TVTOMILLI(lastChngKbdDeltaTv); if (lastChngKbdDelta < 750) { unsigned wait; /* * We need to guarantee at least 750 milliseconds between * calls to KIOCTRANS. YUCK! */ wait = (750L - lastChngKbdDelta) * 1000L; usleep (wait); X_GETTIMEOFDAY(&tv); } lastChngKbdTransTv = tv; } /*- *----------------------------------------------------------------------- * amigaBell -- * Ring the terminal/keyboard bell * * Results: * Ring the keyboard bell for an amount of time proportional to * "loudness." * * Side Effects: * None, really... * *----------------------------------------------------------------------- */ #if NeedFunctionPrototypes static void amigaBell ( int percent, DeviceIntPtr device, pointer ctrl, int unused) #else static void amigaBell (percent, device, ctrl, unused) int percent; /* Percentage of full volume */ DeviceIntPtr device; /* Keyboard to ring */ pointer ctrl; int unused; #endif { int kbdCmd; /* Command to give keyboard */ KeybdCtrl* kctrl = (KeybdCtrl*) ctrl; amigaKbdPrivPtr pPriv = (amigaKbdPrivPtr) device->public.devicePrivate; if (percent == 0 || kctrl->bell == 0) return; #if 0 kbdCmd = KBD_CMD_BELL; if (ioctl (pPriv->fd, KIOCCMD, &kbdCmd) == -1) { Error("Failed to activate bell"); return; } usleep (kctrl->bell_duration * 1000); kbdCmd = KBD_CMD_NOBELL; if (ioctl (pPriv->fd, KIOCCMD, &kbdCmd) == -1) Error ("Failed to deactivate bell"); #endif } static void EnqueueEvent (xE) xEvent* xE; { sigset_t holdmask; (void) sigaddset (&holdmask, SIGIO); (void) sigprocmask (SIG_BLOCK, &holdmask, (sigset_t*)NULL); mieqEnqueue (xE); (void) sigprocmask (SIG_UNBLOCK, &holdmask, (sigset_t*)NULL); } #ifndef XKB static KeyCode LookupKeyCode (keysym, keysymsrec) KeySym keysym; KeySymsPtr keysymsrec; { KeyCode i; int ii, index = 0; for (i = keysymsrec->minKeyCode; i < keysymsrec->maxKeyCode; i++) for (ii = 0; ii < keysymsrec->mapWidth; ii++) if (keysymsrec->map[index++] == keysym) return i; } static void pseudoKey(device, down, keycode) DeviceIntPtr device; Bool down; KeyCode keycode; { int bit; CARD8 modifiers; CARD16 mask; BYTE* kptr; kptr = &device->key->down[keycode >> 3]; bit = 1 << (keycode & 7); modifiers = device->key->modifierMap[keycode]; if (down) { /* fool dix into thinking this key is now "down" */ int i; *kptr |= bit; device->key->prev_state = device->key->state; for (i = 0, mask = 1; modifiers; i++, mask <<= 1) if (mask & modifiers) { device->key->modifierKeyCount[i]++; device->key->state += mask; modifiers &= ~mask; } } else { /* fool dix into thinking this key is now "up" */ if (*kptr & bit) { int i; *kptr &= ~bit; device->key->prev_state = device->key->state; for (i = 0, mask = 1; modifiers; i++, mask <<= 1) if (mask & modifiers) { if (--device->key->modifierKeyCount[i] <= 0) { device->key->state &= ~mask; device->key->modifierKeyCount[i] = 0; } modifiers &= ~mask; } } } } #endif /*- *----------------------------------------------------------------------- * amigaKbdCtrl -- * Alter some of the keyboard control parameters * * Results: * None. * * Side Effects: * Some... * *----------------------------------------------------------------------- */ #if NeedFunctionPrototypes static void amigaKbdCtrl ( DeviceIntPtr device, KeybdCtrl* ctrl) #else static void amigaKbdCtrl (device, ctrl) DeviceIntPtr device; /* Keyboard to alter */ KeybdCtrl* ctrl; #endif { amigaKbdPrivPtr pPriv = (amigaKbdPrivPtr) device->public.devicePrivate; if (pPriv->fd < 0) return; #if 0 if (ctrl->click != pPriv->click) { int kbdClickCmd; pPriv->click = ctrl->click; kbdClickCmd = pPriv->click ? KBD_CMD_CLICK : KBD_CMD_NOCLICK; if (ioctl (pPriv->fd, KIOCCMD, &kbdClickCmd) == -1) Error("Failed to set keyclick"); } #endif } /*- *----------------------------------------------------------------------- * amigaKbdProc -- * Handle the initialization, etc. of a keyboard. * * Results: * None. * *----------------------------------------------------------------------- */ #if NeedFunctionPrototypes int amigaKbdProc ( DeviceIntPtr device, int what) #else int amigaKbdProc (device, what) DeviceIntPtr device; /* Keyboard to manipulate */ int what; /* What to do to it */ #endif { int i; DevicePtr pKeyboard = (DevicePtr) device; amigaKbdPrivPtr pPriv; KeybdCtrl* ctrl = &device->kbdfeed->ctrl; static CARD8 *workingModMap = NULL; static KeySymsRec *workingKeySyms; switch (what) { case DEVICE_INIT: if (pKeyboard != LookupKeyboardDevice()) { ErrorF ("Cannot open non-system keyboard\n"); return (!Success); } if (!workingKeySyms) { workingKeySyms = &amigaKeySyms[0]; if (workingKeySyms->minKeyCode < MIN_KEYCODE) { workingKeySyms->minKeyCode += MIN_KEYCODE; workingKeySyms->maxKeyCode += MIN_KEYCODE; } if (workingKeySyms->maxKeyCode > MAX_KEYCODE) workingKeySyms->maxKeyCode = MAX_KEYCODE; } if (!workingModMap) { workingModMap=(CARD8 *)xalloc(MAP_LENGTH); (void) memset(workingModMap, 0, MAP_LENGTH); for(i=0; amigaModMaps[0][i].key != 0; i++) workingModMap[amigaModMaps[0][i].key + MIN_KEYCODE] = amigaModMaps[0][i].modifiers; } (void) memset ((void *) defaultKeyboardControl.autoRepeats, ~0, sizeof defaultKeyboardControl.autoRepeats); #ifndef XKB autoRepeatKeyDown = 0; #endif pKeyboard->devicePrivate = (pointer)&amigaKbdPriv; pKeyboard->on = FALSE; InitKeyboardDeviceStruct(pKeyboard, workingKeySyms, workingModMap, amigaBell, amigaKbdCtrl); break; case DEVICE_ON: pPriv = (amigaKbdPrivPtr)pKeyboard->devicePrivate; /* * Set the keyboard into "direct" mode and turn on * event translation. */ if (amigaChangeKbdTranslation(pPriv->fd,TRUE) == -1) FatalError("Can't set keyboard translation\n"); (void) AddEnabledDevice(pPriv->fd); pKeyboard->on = TRUE; break; case DEVICE_CLOSE: case DEVICE_OFF: pPriv = (amigaKbdPrivPtr)pKeyboard->devicePrivate; /* * Restore original keyboard directness and translation. */ if (amigaChangeKbdTranslation(pPriv->fd,FALSE) == -1) FatalError("Can't reset keyboard translation\n"); RemoveEnabledDevice(pPriv->fd); pKeyboard->on = FALSE; break; default: FatalError("Unknown keyboard operation\n"); } return Success; } /*- *----------------------------------------------------------------------- * amigaKbdGetEvents -- * Return the events waiting in the wings for the given keyboard. * * Results: * A pointer to an array of Firm_events or (Firm_event *)0 if no events * The number of events contained in the array. * A boolean as to whether more events might be available. * * Side Effects: * None. *----------------------------------------------------------------------- */ #if NeedFunctionPrototypes Firm_event* amigaKbdGetEvents ( int fd, int* pNumEvents, Bool* pAgain) #else Firm_event* amigaKbdGetEvents (fd, pNumEvents, pAgain) int fd; int* pNumEvents; Bool* pAgain; #endif { int nBytes; /* number of bytes of events available. */ static Firm_event evBuf[MAXEVENTS]; /* Buffer for Firm_events */ if ((nBytes = read (fd, evBuf, sizeof(evBuf))) == -1) { if (errno == EWOULDBLOCK) { *pNumEvents = 0; *pAgain = FALSE; } else { Error ("Reading keyboard"); FatalError ("Could not read the keyboard"); } } else { *pNumEvents = nBytes / sizeof (Firm_event); *pAgain = (nBytes == sizeof (evBuf)); } return evBuf; } /*- *----------------------------------------------------------------------- * amigaKbdEnqueueEvent -- * *----------------------------------------------------------------------- */ #ifndef XKB static xEvent autoRepeatEvent; static int composeCount; #define AmigaXK_Compose XK_Meta_R static Bool DoSpecialKeys(device, xE, fe) DeviceIntPtr device; xEvent* xE; Firm_event* fe; { int shift_index, map_index, bit; KeySym ksym; BYTE* kptr; amigaKbdPrivPtr pPriv = (amigaKbdPrivPtr)device->public.devicePrivate; BYTE keycode = xE->u.u.detail; CARD8 keyModifiers = device->key->modifierMap[keycode]; /* look up the present idea of the keysym */ shift_index = 0; if (device->key->state & ShiftMask) shift_index ^= 1; if (device->key->state & LockMask) shift_index ^= 1; map_index = (fe->id - 1) * device->key->curKeySyms.mapWidth; ksym = device->key->curKeySyms.map[shift_index + map_index]; if (ksym == NoSymbol) ksym = device->key->curKeySyms.map[map_index]; /* * Toggle functionality is hardcoded. This is achieved by always * discarding KeyReleases on these keys, and converting every other * KeyPress into a KeyRelease. */ if (xE->u.u.type == KeyRelease && (/*ksym == XK_Num_Lock ||*/ ksym == XK_Scroll_Lock || ksym == AmigaXK_Compose /*|| (keyModifiers & LockMask)*/)) return TRUE; kptr = &device->key->down[keycode >> 3]; bit = 1 << (keycode & 7); if ((*kptr & bit) && (ksym == XK_Num_Lock || ksym == XK_Scroll_Lock || ksym == AmigaXK_Compose || (keyModifiers & LockMask))) xE->u.u.type = KeyRelease; if (ksym == AmigaXK_Compose) { if (xE->u.u.type == KeyPress) composeCount = 2; else composeCount = 0; } if (xE->u.u.type == KeyRelease) { if (composeCount > 0 && --composeCount == 0) { pseudoKey(device, FALSE, LookupKeyCode(AmigaXK_Compose, &device->key->curKeySyms)); } } if ((xE->u.u.type == KeyPress) && (keyModifiers == 0)) { /* initialize new AutoRepeater event & mark AutoRepeater on */ autoRepeatEvent = *xE; autoRepeatFirst = TRUE; autoRepeatKeyDown++; autoRepeatLastKeyDownTv = fe->time; } return FALSE; } #endif #if NeedFunctionPrototypes void amigaKbdEnqueueEvent ( DeviceIntPtr device, Firm_event *fe) #else void amigaKbdEnqueueEvent (device, fe) DeviceIntPtr device; Firm_event *fe; #endif { xEvent xE; BYTE keycode; CARD8 keyModifiers; keycode = (fe->id & 0x7f) + MIN_KEYCODE; keyModifiers = device->key->modifierMap[keycode]; #ifndef XKB if (autoRepeatKeyDown && (keyModifiers == 0) && ((fe->value == VKEY_DOWN) || (keycode == autoRepeatEvent.u.u.detail))) { /* * Kill AutoRepeater on any real non-modifier key down, or auto key up */ autoRepeatKeyDown = 0; } #endif xE.u.keyButtonPointer.time = TVTOMILLI(fe->time); xE.u.u.type = ((fe->value == VKEY_UP) ? KeyRelease : KeyPress); xE.u.u.detail = keycode; #ifndef XKB if (DoSpecialKeys(device, &xE, fe)) return; #endif /* ! XKB */ mieqEnqueue (&xE); } #ifndef XKB void amigaEnqueueAutoRepeat () { int delta; int i, mask; KeybdCtrl* ctrl = &((DeviceIntPtr)LookupKeyboardDevice())->kbdfeed->ctrl; if (ctrl->autoRepeat != AutoRepeatModeOn) { autoRepeatKeyDown = 0; return; } i=(autoRepeatEvent.u.u.detail >> 3); mask=(1 << (autoRepeatEvent.u.u.detail & 7)); if (!(ctrl->autoRepeats[i] & mask)) { autoRepeatKeyDown = 0; return; } /* * Generate auto repeat event. XXX one for now. * Update time & pointer location of saved KeyPress event. */ delta = TVTOMILLI(autoRepeatDeltaTv); autoRepeatFirst = FALSE; /* * Fake a key up event and a key down event * for the last key pressed. */ autoRepeatEvent.u.keyButtonPointer.time += delta; autoRepeatEvent.u.u.type = KeyRelease; /* * hold off any more inputs while we get these safely queued up * further SIGIO are */ EnqueueEvent (&autoRepeatEvent); autoRepeatEvent.u.u.type = KeyPress; EnqueueEvent (&autoRepeatEvent); /* Update time of last key down */ tvplus(autoRepeatLastKeyDownTv, autoRepeatLastKeyDownTv, autoRepeatDeltaTv); } #endif /* ! XKB */ /*- *----------------------------------------------------------------------- * amigaChangeKbdTranslation * Makes operating system calls to set keyboard translation * and direction on or off. * * Results: * -1 if failure, else 0. * * Side Effects: * Changes kernel management of keyboard. * *----------------------------------------------------------------------- */ #if NeedFunctionPrototypes int amigaChangeKbdTranslation( int fd, Bool makeTranslated) #else int amigaChangeKbdTranslation(fd, makeTranslated) int fd; Bool makeTranslated; #endif { int tmp; sigset_t hold_mask, old_mask; int toread; char junk[8192]; (void) sigfillset(&hold_mask); (void) sigprocmask(SIG_BLOCK, &hold_mask, &old_mask); amigaKbdWait(); if (makeTranslated) { /* * Next set the keyboard into "direct" mode and turn on * event translation. If either of these fails, we can't go * on. */ tmp = 1; if (ioctl (fd, KIOCSDIRECT, &tmp) == -1) { Error ("Setting keyboard direct mode"); return -1; } tmp = TR_UNTRANS_EVENT; if (ioctl (fd, KIOCTRANS, &tmp) == -1) { Error ("Setting keyboard translation"); ErrorF ("amigaChangeKbdTranslation: kbdFd=%d\n", fd); return -1; } } else { /* * Next set the keyboard into "indirect" mode and turn off * event translation. */ tmp = 0; (void)ioctl (fd, KIOCSDIRECT, &tmp); #ifdef TR_ASCII tmp = TR_ASCII; (void)ioctl (fd, KIOCTRANS, &tmp); #endif } if (ioctl (fd, FIONREAD, &toread) != -1 && toread > 0) { while (toread) { tmp = toread; if (toread > sizeof (junk)) tmp = sizeof (junk); (void) read (fd, junk, tmp); toread -= tmp; } } (void) sigprocmask(SIG_SETMASK, &old_mask, (sigset_t *)NULL); return 0; } /*ARGSUSED*/ Bool LegalModifier(key, pDev) unsigned int key; DevicePtr pDev; { return TRUE; } #ifndef XKB /*ARGSUSED*/ void amigaBlockHandler(nscreen, pbdata, pptv, pReadmask) int nscreen; pointer pbdata; struct timeval **pptv; pointer pReadmask; { KeybdCtrl* ctrl = &((DeviceIntPtr)LookupKeyboardDevice())->kbdfeed->ctrl; static struct timeval artv = { 0, 0 }; /* autorepeat timeval */ if (!autoRepeatKeyDown) return; if (ctrl->autoRepeat != AutoRepeatModeOn) return; if (autoRepeatFirst == TRUE) artv.tv_usec = amigaAutoRepeatInitiate; else artv.tv_usec = amigaAutoRepeatDelay; *pptv = &artv; } /*ARGSUSED*/ void amigaWakeupHandler(nscreen, pbdata, err, pReadmask) int nscreen; pointer pbdata; unsigned long err; pointer pReadmask; { KeybdCtrl* ctrl = &((DeviceIntPtr)LookupKeyboardDevice())->kbdfeed->ctrl; struct timeval tv; if (ctrl->autoRepeat != AutoRepeatModeOn) return; if (autoRepeatKeyDown) { X_GETTIMEOFDAY(&tv); tvminus(autoRepeatDeltaTv, tv, autoRepeatLastKeyDownTv); if (autoRepeatDeltaTv.tv_sec > 0 || (!autoRepeatFirst && autoRepeatDeltaTv.tv_usec > amigaAutoRepeatDelay) || (autoRepeatDeltaTv.tv_usec > amigaAutoRepeatInitiate)) autoRepeatReady++; } if (autoRepeatReady) { amigaEnqueueAutoRepeat (); autoRepeatReady = 0; } } #endif /* ! XKB */