tmux/cmd-send-keys.c

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/* $OpenBSD$ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
*
* 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 "tmux.h"
/*
* Send keys to client.
*/
int cmd_send_keys_parse(struct cmd *, int, char **, char **);
int cmd_send_keys_exec(struct cmd *, struct cmd_ctx *);
void cmd_send_keys_send(struct cmd *, struct buffer *);
void cmd_send_keys_recv(struct cmd *, struct buffer *);
void cmd_send_keys_free(struct cmd *);
size_t cmd_send_keys_print(struct cmd *, char *, size_t);
struct cmd_send_keys_data {
char *target;
int idx;
u_int nkeys;
int *keys;
};
const struct cmd_entry cmd_send_keys_entry = {
"send-keys", "send",
"[-t target-window] key ...",
0, 0,
NULL,
cmd_send_keys_parse,
cmd_send_keys_exec,
cmd_send_keys_send,
cmd_send_keys_recv,
cmd_send_keys_free,
cmd_send_keys_print
};
int
cmd_send_keys_parse(struct cmd *self, int argc, char **argv, char **cause)
{
struct cmd_send_keys_data *data;
int opt, key;
char *s;
self->data = data = xmalloc(sizeof *data);
data->target = NULL;
data->idx = -1;
data->nkeys = 0;
data->keys = NULL;
while ((opt = getopt(argc, argv, "t:")) != -1) {
switch (opt) {
case 't':
if (data->target == NULL)
data->target = xstrdup(optarg);
break;
default:
goto usage;
}
}
argc -= optind;
argv += optind;
if (argc == 0)
goto usage;
while (argc-- != 0) {
if ((key = key_string_lookup_string(*argv)) != KEYC_NONE) {
data->keys = xrealloc(
data->keys, data->nkeys + 1, sizeof *data->keys);
data->keys[data->nkeys++] = key;
} else {
for (s = *argv; *s != '\0'; s++) {
data->keys = xrealloc(data->keys,
data->nkeys + 1, sizeof *data->keys);
data->keys[data->nkeys++] = *s;
}
}
argv++;
}
return (0);
usage:
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
self->entry->free(self);
return (-1);
}
int
cmd_send_keys_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_send_keys_data *data = self->data;
struct winlink *wl;
u_int i;
if (data == NULL)
return (-1);
if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
return (-1);
for (i = 0; i < data->nkeys; i++) {
window_pane_key(
wl->window->active, ctx->curclient, data->keys[i]);
}
return (0);
}
void
cmd_send_keys_send(struct cmd *self, struct buffer *b)
{
struct cmd_send_keys_data *data = self->data;
buffer_write(b, data, sizeof *data);
cmd_send_string(b, data->target);
buffer_write(b, data->keys, data->nkeys * sizeof *data->keys);
}
void
cmd_send_keys_recv(struct cmd *self, struct buffer *b)
{
struct cmd_send_keys_data *data;
self->data = data = xmalloc(sizeof *data);
buffer_read(b, data, sizeof *data);
data->target = cmd_recv_string(b);
data->keys = xcalloc(data->nkeys, sizeof *data->keys);
buffer_read(b, data->keys, data->nkeys * sizeof *data->keys);
}
void
cmd_send_keys_free(struct cmd *self)
{
struct cmd_send_keys_data *data = self->data;
if (data->target != NULL)
xfree(data->target);
xfree(data);
}
size_t
cmd_send_keys_print(struct cmd *self, char *buf, size_t len)
{
struct cmd_send_keys_data *data = self->data;
size_t off = 0;
u_int i;
off += xsnprintf(buf, len, "%s", self->entry->name);
if (data == NULL)
return (off);
if (off < len && data->target != NULL)
off += cmd_prarg(buf + off, len - off, " -t ", data->target);
if (off < len && data->idx != -1)
off += xsnprintf(buf + off, len - off, " -i %d", data->idx);
for (i = 0; i < data->nkeys; i++) {
if (off >= len)
break;
off += xsnprintf(buf + off,
len - off, " %s", key_string_lookup_key(data->keys[i]));
}
return (off);
}