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/* $OpenBSD: cmd-send-keys.c,v 1.76 2024/10/01 06:15:47 nicm Exp $ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include "tmux.h"
/*
* Send keys to client.
*/
static enum cmd_retval cmd_send_keys_exec(struct cmd *, struct cmdq_item *);
const struct cmd_entry cmd_send_keys_entry = {
.name = "send-keys",
.alias = "send",
.args = { "c:FHKlMN:Rt:X", 0, -1, NULL },
.usage = "[-FHKlMRX] [-c target-client] [-N repeat-count] "
CMD_TARGET_PANE_USAGE " key ...",
.target = { 't', CMD_FIND_PANE, 0 },
.flags = CMD_AFTERHOOK|CMD_CLIENT_CFLAG|CMD_CLIENT_CANFAIL,
.exec = cmd_send_keys_exec
};
const struct cmd_entry cmd_send_prefix_entry = {
.name = "send-prefix",
.alias = NULL,
.args = { "2t:", 0, 0, NULL },
.usage = "[-2] " CMD_TARGET_PANE_USAGE,
.target = { 't', CMD_FIND_PANE, 0 },
.flags = CMD_AFTERHOOK,
.exec = cmd_send_keys_exec
};
static struct cmdq_item *
cmd_send_keys_inject_key(struct cmdq_item *item, struct cmdq_item *after,
struct args *args, key_code key)
{
struct cmd_find_state *target = cmdq_get_target(item);
struct client *tc = cmdq_get_target_client(item);
struct session *s = target->s;
struct winlink *wl = target->wl;
struct window_pane *wp = target->wp;
struct window_mode_entry *wme;
struct key_table *table = NULL;
struct key_binding *bd;
struct key_event *event;
if (args_has(args, 'K')) {
if (tc == NULL)
return (item);
event = xcalloc(1, sizeof *event);
event->key = key|KEYC_SENT;
memset(&event->m, 0, sizeof event->m);
if (server_client_handle_key(tc, event) == 0) {
free(event->buf);
free(event);
}
return (item);
}
wme = TAILQ_FIRST(&wp->modes);
if (wme == NULL || wme->mode->key_table == NULL) {
if (window_pane_key(wp, tc, s, wl, key, NULL) != 0)
return (NULL);
return (item);
}
table = key_bindings_get_table(wme->mode->key_table(wme), 1);
bd = key_bindings_get(table, key & ~KEYC_MASK_FLAGS);
if (bd != NULL) {
table->references++;
after = key_bindings_dispatch(bd, after, tc, NULL, target);
key_bindings_unref_table(table);
}
return (after);
}
static struct cmdq_item *
cmd_send_keys_inject_string(struct cmdq_item *item, struct cmdq_item *after,
struct args *args, int i)
{
const char *s = args_string(args, i);
struct utf8_data *ud, *loop;
utf8_char uc;
key_code key;
char *endptr;
long n;
int literal;
if (args_has(args, 'H')) {
n = strtol(s, &endptr, 16);
if (*s =='\0' || n < 0 || n > 0xff || *endptr != '\0')
return (item);
return (cmd_send_keys_inject_key(item, after, args,
KEYC_LITERAL|n));
}
literal = args_has(args, 'l');
if (!literal) {
key = key_string_lookup_string(s);
if (key != KEYC_NONE && key != KEYC_UNKNOWN) {
after = cmd_send_keys_inject_key(item, after, args,
key);
if (after != NULL)
return (after);
}
literal = 1;
}
if (literal) {
ud = utf8_fromcstr(s);
for (loop = ud; loop->size != 0; loop++) {
if (loop->size == 1 && loop->data[0] <= 0x7f)
key = loop->data[0];
else {
if (utf8_from_data(loop, &uc) != UTF8_DONE)
continue;
key = uc;
}
after = cmd_send_keys_inject_key(item, after, args,
key);
}
free(ud);
}
return (after);
}
static enum cmd_retval
cmd_send_keys_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = cmd_get_args(self);
struct cmd_find_state *target = cmdq_get_target(item);
struct client *tc = cmdq_get_target_client(item);
struct session *s = target->s;
struct winlink *wl = target->wl;
struct window_pane *wp = target->wp;
struct key_event *event = cmdq_get_event(item);
struct mouse_event *m = &event->m;
struct window_mode_entry *wme = TAILQ_FIRST(&wp->modes);
struct cmdq_item *after = item;
key_code key;
u_int i, np = 1;
u_int count = args_count(args);
char *cause = NULL;
if (args_has(args, 'N')) {
np = args_strtonum_and_expand(args, 'N', 1, UINT_MAX, item,
&cause);
if (cause != NULL) {
cmdq_error(item, "repeat count %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
if (wme != NULL && (args_has(args, 'X') || count == 0)) {
if (wme->mode->command == NULL) {
cmdq_error(item, "not in a mode");
return (CMD_RETURN_ERROR);
}
wme->prefix = np;
}
}
if (args_has(args, 'X')) {
if (wme == NULL || wme->mode->command == NULL) {
cmdq_error(item, "not in a mode");
return (CMD_RETURN_ERROR);
}
if (!m->valid)
m = NULL;
wme->mode->command(wme, tc, s, wl, args, m);
return (CMD_RETURN_NORMAL);
}
if (args_has(args, 'M')) {
wp = cmd_mouse_pane(m, &s, NULL);
if (wp == NULL) {
cmdq_error(item, "no mouse target");
return (CMD_RETURN_ERROR);
}
window_pane_key(wp, tc, s, wl, m->key, m);
return (CMD_RETURN_NORMAL);
}
if (cmd_get_entry(self) == &cmd_send_prefix_entry) {
if (args_has(args, '2'))
key = options_get_number(s->options, "prefix2");
else
key = options_get_number(s->options, "prefix");
cmd_send_keys_inject_key(item, item, args, key);
return (CMD_RETURN_NORMAL);
}
if (args_has(args, 'R')) {
colour_palette_clear(&wp->palette);
input_reset(wp->ictx, 1);
wp->flags |= (PANE_STYLECHANGED|PANE_REDRAW);
}
if (count == 0) {
if (args_has(args, 'N') || args_has(args, 'R'))
return (CMD_RETURN_NORMAL);
for (; np != 0; np--)
cmd_send_keys_inject_key(item, NULL, args, event->key);
return (CMD_RETURN_NORMAL);
}
for (; np != 0; np--) {
for (i = 0; i < count; i++) {
after = cmd_send_keys_inject_string(item, after, args,
i);
}
}
return (CMD_RETURN_NORMAL);
}
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