/*
* Find the special key with the given name (the given string does not have to
* end with NUL, the name is assumed to end before the first non-idchar).
* If the name starts with "t_" the next two characters are interpreted as a
* termcap name.
* Return the key code, or 0 if not found.
*/
int get_special_key_code(char_u *name)
{
char_u *table_name;
char_u string[3];
int i, j;
/*
* If it's <t_xx> we get the code for xx from the termcap
*/
if (name[0] == 't' && name[1] == '_' && name[2] != NUL && name[3] != NUL) {
string[0] = name[2];
string[1] = name[3];
string[2] = NUL;
if (add_termcap_entry(string, FALSE) == OK)
return TERMCAP2KEY(name[2], name[3]);
} else
for (i = 0; key_names_table[i].name != NULL; i++) {
table_name = key_names_table[i].name;
for (j = 0; vim_isIDc(name[j]) && table_name[j] != NUL; j++)
if (TOLOWER_ASC(table_name[j]) != TOLOWER_ASC(name[j]))
break;
if (!vim_isIDc(name[j]) && table_name[j] == NUL)
return key_names_table[i].key;
}
return 0;
}
/*
* Find the special key with the given name (the given string does not have to
* end with NUL, the name is assumed to end before the first non-idchar).
* If the name starts with "t_" the next two characters are interpreted as a
* termcap name.
* Return the key code, or 0 if not found.
*/
int get_special_key_code(char_u *name)
{
char_u *table_name;
int i, j;
for (i = 0; key_names_table[i].name != NULL; i++) {
table_name = key_names_table[i].name;
for (j = 0; vim_isIDc(name[j]) && table_name[j] != NUL; j++)
if (TOLOWER_ASC(table_name[j]) != TOLOWER_ASC(name[j]))
break;
if (!vim_isIDc(name[j]) && table_name[j] == NUL)
return key_names_table[i].key;
}
return 0;
}
/*
* Try translating a <> name at (*srcp)[], return the key and modifiers.
* srcp is advanced to after the <> name.
* returns 0 if there is no match.
*/
int
find_special_key (
char_u **srcp,
int *modp,
int keycode, /* prefer key code, e.g. K_DEL instead of DEL */
int keep_x_key /* don't translate xHome to Home key */
)
{
char_u *last_dash;
char_u *end_of_name;
char_u *src;
char_u *bp;
int modifiers;
int bit;
int key;
unsigned long n;
int l;
src = *srcp;
if (src[0] != '<')
return 0;
/* Find end of modifier list */
last_dash = src;
for (bp = src + 1; *bp == '-' || vim_isIDc(*bp); bp++) {
if (*bp == '-') {
last_dash = bp;
if (bp[1] != NUL) {
if (has_mbyte)
l = mb_ptr2len(bp + 1);
else
l = 1;
if (bp[l + 1] == '>')
bp += l; /* anything accepted, like <C-?> */
}
}
if (bp[0] == 't' && bp[1] == '_' && bp[2] && bp[3])
bp += 3; /* skip t_xx, xx may be '-' or '>' */
else if (STRNICMP(bp, "char-", 5) == 0) {
vim_str2nr(bp + 5, NULL, &l, TRUE, TRUE, NULL, NULL);
bp += l + 5;
break;
}
}
if (*bp == '>') { /* found matching '>' */
end_of_name = bp + 1;
/* Which modifiers are given? */
modifiers = 0x0;
for (bp = src + 1; bp < last_dash; bp++) {
if (*bp != '-') {
bit = name_to_mod_mask(*bp);
if (bit == 0x0)
break; /* Illegal modifier name */
modifiers |= bit;
}
}
/*
* Legal modifier name.
*/
if (bp >= last_dash) {
if (STRNICMP(last_dash + 1, "char-", 5) == 0
&& VIM_ISDIGIT(last_dash[6])) {
/* <Char-123> or <Char-033> or <Char-0x33> */
vim_str2nr(last_dash + 6, NULL, NULL, TRUE, TRUE, NULL, &n);
key = (int)n;
} else {
/*
* Modifier with single letter, or special key name.
*/
if (has_mbyte)
l = mb_ptr2len(last_dash + 1);
else
l = 1;
if (modifiers != 0 && last_dash[l + 1] == '>')
key = PTR2CHAR(last_dash + 1);
else {
key = get_special_key_code(last_dash + 1);
if (!keep_x_key)
key = handle_x_keys(key);
}
}
/*
* get_special_key_code() may return NUL for invalid
* special key name.
*/
if (key != NUL) {
/*
* Only use a modifier when there is no special key code that
* includes the modifier.
*/
key = simplify_key(key, &modifiers);
if (!keycode) {
/* don't want keycode, use single byte code */
if (key == K_BS)
key = BS;
else if (key == K_DEL || key == K_KDEL)
key = DEL;
}
/*
* Normal Key with modifier: Try to make a single byte code.
*/
if (!IS_SPECIAL(key))
key = extract_modifiers(key, &modifiers);
*modp = modifiers;
*srcp = end_of_name;
return key;
}
}
}
return 0;
}
