tmux/cmd-send-keys.c

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/* $Id: cmd-send-keys.c,v 1.7 2008-06-03 16:55:09 nicm Exp $ */
/*
* 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 <getopt.h>
#include <stdlib.h>
#include "tmux.h"
/*
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* Send keys to client.
*/
int cmd_send_keys_parse(struct cmd *, void **, int, char **, char **);
void cmd_send_keys_exec(void *, struct cmd_ctx *);
void cmd_send_keys_send(void *, struct buffer *);
void cmd_send_keys_recv(void **, struct buffer *);
void cmd_send_keys_free(void *);
struct cmd_send_keys_data {
char *cname;
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char *sname;
int idx;
u_int nkeys;
int *keys;
};
const struct cmd_entry cmd_send_keys_entry = {
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"send-keys", "send",
"[-c client-tty|-s session-name] [-i index] key ...",
0,
cmd_send_keys_parse,
cmd_send_keys_exec,
cmd_send_keys_send,
cmd_send_keys_recv,
cmd_send_keys_free,
NULL
};
int
cmd_send_keys_parse(
struct cmd *self, void **ptr, int argc, char **argv, char **cause)
{
struct cmd_send_keys_data *data;
int opt, key;
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const char *errstr;
char *s;
*ptr = data = xmalloc(sizeof *data);
data->cname = NULL;
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data->sname = NULL;
data->idx = -1;
data->nkeys = 0;
data->keys = NULL;
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while ((opt = getopt(argc, argv, "c:i:s:")) != EOF) {
switch (opt) {
case 'c':
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if (data->sname != NULL)
goto usage;
if (data->cname == NULL)
data->cname = xstrdup(optarg);
break;
case 'i':
data->idx = strtonum(optarg, 0, INT_MAX, &errstr);
if (errstr != NULL) {
xasprintf(cause, "index %s", errstr);
goto error;
}
break;
case 's':
if (data->cname != NULL)
goto usage;
if (data->sname == NULL)
data->sname = 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);
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error:
cmd_send_keys_free(data);
return (-1);
}
void
cmd_send_keys_exec(void *ptr, struct cmd_ctx *ctx)
{
struct cmd_send_keys_data *data = ptr;
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struct winlink *wl;
u_int i;
if (data == NULL)
return;
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wl = cmd_find_window(ctx, data->cname, data->sname, data->idx, NULL);
if (wl == NULL)
return;
for (i = 0; i < data->nkeys; i++)
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window_key(wl->window, data->keys[i]);
if (ctx->cmdclient != NULL)
server_write_client(ctx->cmdclient, MSG_EXIT, NULL, 0);
}
void
cmd_send_keys_send(void *ptr, struct buffer *b)
{
struct cmd_send_keys_data *data = ptr;
buffer_write(b, data, sizeof *data);
cmd_send_string(b, data->cname);
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cmd_send_string(b, data->sname);
buffer_write(b, data->keys, data->nkeys * sizeof *data->keys);
}
void
cmd_send_keys_recv(void **ptr, struct buffer *b)
{
struct cmd_send_keys_data *data;
*ptr = data = xmalloc(sizeof *data);
buffer_read(b, data, sizeof *data);
data->cname = cmd_recv_string(b);
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data->sname = 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(void *ptr)
{
struct cmd_send_keys_data *data = ptr;
if (data->cname != NULL)
xfree(data->cname);
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if (data->sname != NULL)
xfree(data->sname);
xfree(data);
}