diff options
Diffstat (limited to 'console-client/xkb/xkbdata.c')
| -rw-r--r-- | console-client/xkb/xkbdata.c | 464 |
1 files changed, 0 insertions, 464 deletions
diff --git a/console-client/xkb/xkbdata.c b/console-client/xkb/xkbdata.c deleted file mode 100644 index 32a1b1f2..00000000 --- a/console-client/xkb/xkbdata.c +++ /dev/null @@ -1,464 +0,0 @@ -/* xkbdata.c -- Manage XKB datastructures. - - Copyright (C) 2003 Marco Gerards - - Written by Marco Gerards <marco@student.han.nl> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. */ - -/* Generate a key for the string S. XXX: There are many more efficient - algorithms, this one should be replaced by one of those. */ - -#include <stdlib.h> -#include <string.h> -#include <hurd/ihash.h> -#include "xkb.h" - -static int -name_hash (char *s) -{ - int i = 0; - while (*s) - i += *(s++); - return i; -} - - -/* A keyname with a keycode and realmodifier bound to it. */ -struct keyname -{ - int keycode; - int rmods; -}; - -static struct hurd_ihash kn_mapping; - -/* Initialize the keyname hashtable. */ -static void -keyname_init (void) -{ - hurd_ihash_init (&kn_mapping, HURD_IHASH_NO_LOCP); - debug_printf ("Kn_mapping init"); - /* XXX: error. */ -} - -static inline int -keyname_hash(char *keyname) -{ - char tmp[4] = { 0 }; - strncpy(tmp, keyname, sizeof tmp); - return tmp[0] + (tmp[1] << 8) + (tmp[2] << 16) + (tmp[3] << 24); -} - -/* Assign the name KEYNAME to the keycode KEYCODE. */ -error_t -keyname_add (char *keyname, int keycode) -{ - struct keyname *kn; - int kn_int; - - kn = malloc (sizeof (struct keyname)); - if (!kn) - return ENOMEM; - - /* XXX: 4 characters can be mapped into a int, it is safe to assume - this will not be changed. */ - if (strlen (keyname) > 4) - { - debug_printf ("The keyname `%s' consist of more than 4 characters;" - " 4 characters is the maximum.\n", keyname); - /* XXX: Abort? */ - return 0; - } - - kn->keycode = keycode; - kn->rmods = 0; - - kn_int = keyname_hash(keyname); - debug_printf ("add key %s(%d) hash: %d\n", keyname, keycode, kn_int); - hurd_ihash_add (&kn_mapping, kn_int, kn); - - return 0; -} - -/* Find the numberic representation of the keycode with the name - KEYNAME. */ -int -keyname_find (char *keyname) -{ - struct keyname *kn; - int kn_int; - - /* XXX: 4 characters can be mapped into a int, it is safe to assume - this will not be changed. */ - if (strlen (keyname) > 4) - { - debug_printf ("The keyname `%s' consist of more than 4 characters;" - " 4 characters is the maximum.\n", keyname); - /* XXX: Abort? */ - return 0; - } - kn_int = keyname_hash(keyname); - - kn = hurd_ihash_find (&kn_mapping, kn_int); - if (kn) - return kn->keycode; -/* int h = name_hash (keyname); */ -/* struct keyname *kn; */ -/* for (kn = knhash[KNHASH(h)]; kn; kn = kn->hnext) */ -/* { */ -/* if (strcmp (kn->keyname, keyname)) */ -/* continue; */ - -/* return kn->keycode; */ -/* } */ - - /* XXX: Is 0 an invalid keycode? */ - return 0; -} - - -/* Keytypes and keytype maps. */ - -/* The dummy gets used when the original may not be overwritten. */ -static struct keytype dummy_keytype; - -#define KTHSZ 16 -#if ((KTHSZ&(KTHSZ-1)) == 0) -#define KTHASH(ktttl) ((ktttl)&(KTHSZ-1)) -#else -#define KTHASH(ktttl) (((unsigned)(kt))%KTHSZ) -#endif - -/* All keytypes. */ -struct keytype *kthash[KTHSZ]; - -/* Initialize the keytypes hashtable. */ -static void -keytype_init (void) -{ - int n; - for (n = 0; n < KTHSZ; n++) - kthash[n] = 0; -} - -/* Search the keytype with the name NAME. */ -struct keytype * -keytype_find (char *name) -{ - int nhash = name_hash (name); - struct keytype *kt; - - for (kt = kthash[KTHASH(nhash)]; kt; kt = kt->hnext) - if (!strcmp (name, kt->name)) - return kt; - return NULL; -} - -/* Remove the keytype KT. */ -void -keytype_delete (struct keytype *kt) -{ - struct typemap *map; - - - *kt->prevp = kt->hnext; - if (kt->hnext) - kt->hnext->prevp = kt->prevp; - - map = kt->maps; - while (map) - { - struct typemap *nextmap = map->next; - free (map); - map = nextmap; - } - -} - -/* Create a new keytype with the name NAME. */ -error_t -keytype_new (char *name, struct keytype **new_kt) -{ - struct keytype *kt; - struct keytype *ktlist; - int nhash; - - nhash = name_hash (name); - debug_printf ("New: %s\n", name); - - kt = keytype_find (name); - - if (kt) - { - /* If the merge mode is augement don't replace it. */ - if (merge_mode == augment) - { - *new_kt = &dummy_keytype; - return 0; - } - else /* This keytype should replace the old one, remove the old one. */ - keytype_delete (kt); - } - - ktlist = kthash[KTHASH(nhash)]; - kt = calloc (1, sizeof (struct keytype)); - if (kt == NULL) - return ENOMEM; - - kt->hnext = ktlist; - kt->name = strdup (name); - kt->prevp = &kthash[KTHASH(nhash)]; - kt->maps = NULL; - if (kthash[KTHASH(nhash)]) - kthash[KTHASH(nhash)]->prevp = &(kt->hnext); - kthash[KTHASH(nhash)] = kt; - - *new_kt = kt; - return 0; -} - -/* Add a level (LEVEL) to modifiers (MODS) mapping to the current - keytype. */ -error_t -keytype_mapadd (struct keytype *kt, modmap_t mods, int level) -{ - struct typemap *map; - modmap_t nulmap = {0, 0}; - - map = malloc (sizeof (struct typemap)); - if (!map) - return ENOMEM; - - map->level = level; - map->mods = mods; - map->preserve = nulmap; - /* By default modifiers shouldn't be preserved. */ - map->next = kt->maps; - - kt->maps = map; - - return 0; -} - -/* For the current keytype the modifiers PRESERVE should be preserved - when the modifiers MODS are pressed. */ -error_t -keytype_preserve_add (struct keytype *kt, modmap_t mods, modmap_t preserve) -{ - error_t err; - struct typemap *map; - - map = kt->maps; - while (map) - { - if (mods.rmods == map->mods.rmods && mods.vmods == map->mods.vmods) - { - map->preserve = preserve; - return 0; - } - map = map->next; - } - - /* No map has been found, add the default map. */ - err = keytype_mapadd (kt, mods, 0); - if (err) - return err; - - keytype_preserve_add (kt, mods, preserve); - - return 0; -} - - -/* Interpretations. */ - -struct xkb_interpret *last_interp; -struct xkb_interpret default_interpretation; - - -/* Add a new interpretation. */ -error_t -interpret_new (xkb_interpret_t **new_interpret, symbol ks) -{ - struct xkb_interpret *new_interp; - - new_interp = malloc (sizeof (struct xkb_interpret)); - if (!new_interp) - return ENOMEM; - - memcpy (new_interp, &default_interpretation, sizeof (struct xkb_interpret)); - new_interp->symbol = ks; - - if (ks) - { - new_interp->next = interpretations; - interpretations = new_interp; - - if (!last_interp) - last_interp = new_interp; - } - else - { - if (last_interp) - last_interp->next = new_interp; - - last_interp = new_interp; - - if (!interpretations) - interpretations = new_interp; - } - - *new_interpret = new_interp; - - return 0; -} - - -/* XXX: Dead code!? */ -/* Virtual modifiers name to number mapping. */ -/* Last number assigned to a virtual modifier. */ -static int lastvmod = 0; - -/* One virtual modifiername -> vmod number mapping. */ -struct vmodname -{ - char *name; - struct vmodname *next; -}; - -/* A list of virtualmodifier names and its numberic representation. */ -static struct vmodname *vmodnamel; - -/* Get the number assigned to the virtualmodifier with the name - VMODNAME. */ -int -vmod_find (char *vmodname) -{ - int i = 0; - struct vmodname *vmn = vmodnamel; - - while (vmn) - { - if (!strcmp (vmn->name, vmodname)) - return (lastvmod - i); - vmn = vmn->next; - i++; - } - - return 0; -} - -/* Give the virtualmodifier VMODNAME a number and add it to the - hashtable. */ -error_t -vmod_add (char *vmodname) -{ - struct vmodname *vmn; - - if (vmod_find (vmodname)) - return 0; - - vmn = malloc (sizeof (struct vmodname)); - if (vmn == NULL) - return ENOMEM; - - vmn->name = vmodname; - vmn->next = vmodnamel; - vmodnamel = vmn; - - lastvmod++; - if (lastvmod > 16) - debug_printf("warning: only sixteen virtual modifiers are supported, %s will not be functional.\n", vmodname); - - return 0; -} - - -/* XXX: Use this, no pointers. */ -struct ksrm -{ - symbol ks; - - int rmods; -}; -static struct hurd_ihash ksrm_mapping; - -/* Initialize the list for keysyms to realmodifiers mappings. */ -void -ksrm_init (void) -{ - hurd_ihash_init (&ksrm_mapping, HURD_IHASH_NO_LOCP); - debug_printf ("KSRM MAP IHASH CREATED \n"); -} - -/* Add keysym to realmodifier mapping. */ -error_t -ksrm_add (symbol ks, int rmod) -{ - hurd_ihash_add (&ksrm_mapping, ks, (void *) rmod); - - return 0; -} - -/* Apply the rkms (realmods to keysyms) table to all keysyms. */ -void -ksrm_apply (void) -{ - keycode_t kc; - for (kc = 0; kc < max_keys; kc++) - { - int group; - for (group = 0; group < 4; group++) - { - int cursym; - for (cursym = 0; cursym < keys[kc].groups[group].width; cursym++) - { - symbol ks = keys[kc].groups[group].symbols[cursym]; - int rmods = (int) hurd_ihash_find (&ksrm_mapping, ks); - - if (rmods) - { - keys[kc].mods.rmods = rmods; - } - } - } - } -} - - -/* void */ -/* indicator_new (xkb_indicator_t **, */ - - -/* Keycode to realmodifier mapping. */ - -/* Set the current rmod for the key with keyname KEYNAME. */ -/* XXX: It shouldn't be applied immediately because the key can be - replaced. */ -void -set_rmod_keycode (char *keyname, int rmod) -{ - keycode_t kc = keyname_find (keyname); - keys[kc].mods.rmods = rmod; - debug_printf ("%s (kc %d) rmod: %d\n", keyname, kc, rmod); -} - -/* Initialize XKB data structures. */ -error_t -xkb_data_init (void) -{ - keyname_init (); - keytype_init (); - ksrm_init (); - - return 0; -} |