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Add Kitty keyboard protocol support

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This commit is contained in:
Michael Grant
2026-09-14 14:14:28 +01:00
parent 3a5df8780f
commit 5e5cc3e5bc
17 changed files with 1256 additions and 25 deletions
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35
input-keys.c
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@@ -395,7 +395,8 @@ input_key_build(void)
/* Translate a key code into an output key sequence for a pane. */
int
input_key_pane(struct window_pane *wp, key_code key, struct mouse_event *m)
input_key_pane(struct window_pane *wp, key_code key, struct mouse_event *m,
int extended_encoding)
{
if (log_get_level() != 0) {
log_debug("writing key 0x%llx (%s) to %%%u", key,
@@ -407,7 +408,21 @@ input_key_pane(struct window_pane *wp, key_code key, struct mouse_event *m)
input_key_mouse(wp, m);
return (0);
}
return (input_key(wp->screen, wp->event, key));
return (input_key(wp->screen, wp->event, key, extended_encoding));
}
/* Return whether a key may use the configured extended encoding. */
int
input_key_client_supports_extended(struct client *c, key_code key)
{
if (c == NULL || (key & KEYC_SENT))
return (1);
if (options_get_number(global_options, "extended-keys") == 0)
return (0);
if (options_get_number(global_options, "extended-keys-format") ==
EXTENDED_KEYS_KITTY)
return ((c->tty.flags & TTY_KKBPUSHED) != 0);
return (tty_term_has(c->tty.term, TTYC_ENEKS));
}
static void
@@ -464,7 +479,8 @@ input_key_extended(struct bufferevent *bev, key_code key)
} else
key &= KEYC_MASK_KEY;
if (options_get_number(global_options, "extended-keys-format") == 1)
if (options_get_number(global_options, "extended-keys-format") ==
EXTENDED_KEYS_XTERM)
xsnprintf(tmp, sizeof tmp, "\033[27;%c;%llu~", modifier, key);
else
xsnprintf(tmp, sizeof tmp, "\033[%llu;%cu", key, modifier);
@@ -571,7 +587,8 @@ input_key_mode1(struct bufferevent *bev, key_code key)
/* Translate a key code into an output key sequence. */
int
input_key(struct screen *s, struct bufferevent *bev, key_code key)
input_key(struct screen *s, struct bufferevent *bev, key_code key,
int extended_encoding)
{
struct input_key_entry *ike = NULL;
key_code newkey;
@@ -588,6 +605,11 @@ input_key(struct screen *s, struct bufferevent *bev, key_code key)
return (0);
}
if (extended_encoding &&
options_get_number(global_options, "extended-keys-format") ==
EXTENDED_KEYS_KITTY && input_key_kitty(s, bev, key) == 0)
return (0);
/* Is this backspace? */
if ((key & KEYC_MASK_KEY) == KEYC_BSPACE) {
newkey = options_get_number(global_options, "backspace");
@@ -677,6 +699,11 @@ input_key(struct screen *s, struct bufferevent *bev, key_code key)
log_debug("%s: ignoring key 0x%llx", __func__, key);
return (0);
}
if (key & (KEYC_SUPER|KEYC_HYPER))
return (input_key_vt10x(bev, key));
if (options_get_number(global_options, "extended-keys-format") ==
EXTENDED_KEYS_KITTY)
return (input_key_vt10x(bev, key));
/*
* No builtin key sequence; construct an extended key sequence