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If xterm-keys is on, use xterm(1) style keys for Home and End as well as

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modified keys.
This commit is contained in:
nicm
2017-01-25 14:24:54 +00:00
parent ffc28a7765
commit 0a63ab4f0f
4 changed files with 43 additions and 112 deletions
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45
xterm-keys.c
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@ -50,7 +50,17 @@ struct xterm_keys_entry {
const char *template;
};
static const struct xterm_keys_entry xterm_keys_table[] = {
static const struct xterm_keys_entry xterm_keys_standard[] = {
{ KEYC_HOME, "\033[H" },
{ KEYC_END, "\033[F" },
};
static const struct xterm_keys_entry xterm_keys_cursor[] = {
{ KEYC_HOME, "\033OH" },
{ KEYC_END, "\033OF" },
};
static const struct xterm_keys_entry xterm_keys_modified[] = {
{ KEYC_F1, "\033[1;_P" },
{ KEYC_F1, "\033O1;_P" },
{ KEYC_F1, "\033O_P" },
@ -189,8 +199,8 @@ xterm_keys_find(const char *buf, size_t len, size_t *size, key_code *key)
int matched;
key_code modifiers;
for (i = 0; i < nitems(xterm_keys_table); i++) {
entry = &xterm_keys_table[i];
for (i = 0; i < nitems(xterm_keys_modified); i++) {
entry = &xterm_keys_modified[i];
matched = xterm_keys_match(entry->template, buf, len, size,
&modifiers);
@ -205,10 +215,10 @@ xterm_keys_find(const char *buf, size_t len, size_t *size, key_code *key)
/* Lookup a key number from the table. */
char *
xterm_keys_lookup(key_code key)
xterm_keys_lookup(key_code key, int mode)
{
const struct xterm_keys_entry *entry;
u_int i;
const struct xterm_keys_entry *table, *entry;
u_int items, i;
key_code modifiers;
char *out;
@ -224,21 +234,32 @@ xterm_keys_lookup(key_code key)
* If the key has no modifiers, return NULL and let it fall through to
* the normal lookup.
*/
if (modifiers == 1)
return (NULL);
if (modifiers != 1) {
table = xterm_keys_modified;
items = nitems(xterm_keys_modified);
} else {
if (mode & MODE_KCURSOR) {
table = xterm_keys_cursor;
items = nitems(xterm_keys_cursor);
} else {
table = xterm_keys_standard;
items = nitems(xterm_keys_standard);
}
}
/* Otherwise, find the key in the table. */
key &= ~(KEYC_SHIFT|KEYC_ESCAPE|KEYC_CTRL);
for (i = 0; i < nitems(xterm_keys_table); i++) {
entry = &xterm_keys_table[i];
for (i = 0; i < items; i++) {
entry = &table[i];
if (key == entry->key)
break;
}
if (i == nitems(xterm_keys_table))
if (i == items)
return (NULL);
/* Copy the template and replace the modifier. */
out = xstrdup(entry->template);
out[strcspn(out, "_")] = '0' + modifiers;
if (modifiers != 1)
out[strcspn(out, "_")] = '0' + modifiers;
return (out);
}