static void
add_sequence(char *rest, char *mapname)
{
KeySym keysym;
key_translation *tr, **prev_next;
size_t chars;
char keyname[KEYMAP_MAX_LINE_LENGTH];
/* Skip over whitespace after the sequence keyword */
chars = strspn(rest, " \t");
rest += chars;
/* Fetch the keysym name */
chars = strcspn(rest, " \t\0");
STRNCPY(keyname, rest, chars + 1);
rest += chars;
keysym = XStringToKeysym(keyname);
if (keysym == NoSymbol)
{
DEBUG_KBD(("Bad keysym \"%s\" in keymap %s (ignoring line)\n", keyname, mapname));
return;
}
DEBUG_KBD(("Adding sequence for keysym (0x%lx, %s) -> ", keysym, keyname));
free_key_translation(keymap[keysym & KEYMAP_MASK]);
prev_next = &keymap[keysym & KEYMAP_MASK];
while (*rest)
{
/* Skip whitespace */
chars = strspn(rest, " \t");
rest += chars;
/* Fetch the keysym name */
chars = strcspn(rest, " \t\0");
STRNCPY(keyname, rest, chars + 1);
rest += chars;
keysym = XStringToKeysym(keyname);
if (keysym == NoSymbol)
{
DEBUG_KBD(("Bad keysym \"%s\" in keymap %s (ignoring line)\n", keyname,
mapname));
return;
}
/* Allocate space for key_translation structure */
tr = (key_translation *) xmalloc(sizeof(key_translation));
memset(tr, 0, sizeof(key_translation));
*prev_next = tr;
prev_next = &tr->next;
tr->seq_keysym = keysym;
DEBUG_KBD(("0x%x, ", (unsigned int) keysym));
}
DEBUG_KBD(("\n"));
}
static void
add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname)
{
KeySym keysym;
key_translation *tr;
keysym = XStringToKeysym(keyname);
if (keysym == NoSymbol)
{
DEBUG_KBD(("Bad keysym \"%s\" in keymap %s (ignoring)\n", keyname, mapname));
return;
}
DEBUG_KBD(("Adding translation, keysym=0x%x, scancode=0x%x, "
"modifiers=0x%x\n", (unsigned int) keysym, scancode, modifiers));
tr = (key_translation *) xmalloc(sizeof(key_translation));
memset(tr, 0, sizeof(key_translation));
tr->scancode = scancode;
tr->modifiers = modifiers;
free_key_translation(keymap[keysym & KEYMAP_MASK]);
keymap[keysym & KEYMAP_MASK] = tr;
return;
}
/* Free the key_translation_entry for a given keysym and remove from the table */
static void
delete_key_translation_entry(KeySym keysym)
{
uint32 hash;
key_translation_entry *ptr;
key_translation_entry *next;
key_translation_entry *prev;
key_translation_entry tmp;
/* Faking a prev node allows us to keep the algorithm simple */
hash = keysym & KEYMAP_MASK;
ptr = keymap[hash];
tmp.next = ptr;
prev = &tmp;
while (ptr)
{
next = ptr->next;
if (ptr->keysym == keysym)
{
free_key_translation(ptr->tr);
prev->next = next;
xfree(ptr);
}
else
{
prev = ptr;
}
ptr = next;
}
/* Copy pointer back from our fake node */
keymap[hash] = tmp.next;
}
