tmux/cmd-new-window.c

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/* $Id: cmd-new-window.c,v 1.28 2009-01-18 14:40:48 nicm Exp $ */
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/*
* Copyright (c) 2007 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>
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#include "tmux.h"
/*
* Create a new window.
*/
int cmd_new_window_parse(struct cmd *, int, char **, char **);
void cmd_new_window_exec(struct cmd *, struct cmd_ctx *);
void cmd_new_window_send(struct cmd *, struct buffer *);
void cmd_new_window_recv(struct cmd *, struct buffer *);
void cmd_new_window_free(struct cmd *);
void cmd_new_window_init(struct cmd *, int);
size_t cmd_new_window_print(struct cmd *, char *, size_t);
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struct cmd_new_window_data {
char *target;
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char *name;
char *cmd;
int flag_detached;
};
const struct cmd_entry cmd_new_window_entry = {
"new-window", "neww",
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"[-d] [-n window-name] [-t target-window] [command]",
0,
cmd_new_window_init,
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cmd_new_window_parse,
cmd_new_window_exec,
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cmd_new_window_send,
cmd_new_window_recv,
cmd_new_window_free,
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cmd_new_window_print
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};
void
cmd_new_window_init(struct cmd *self, unused int arg)
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{
struct cmd_new_window_data *data;
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self->data = data = xmalloc(sizeof *data);
data->target = NULL;
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data->name = NULL;
data->cmd = NULL;
data->flag_detached = 0;
}
int
cmd_new_window_parse(struct cmd *self, int argc, char **argv, char **cause)
{
struct cmd_new_window_data *data;
int opt;
self->entry->init(self, 0);
data = self->data;
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while ((opt = getopt(argc, argv, "dt:n:")) != -1) {
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switch (opt) {
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case 'd':
data->flag_detached = 1;
break;
case 't':
if (data->target == NULL)
data->target = xstrdup(optarg);
break;
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case 'n':
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if (data->name == NULL)
data->name = xstrdup(optarg);
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break;
default:
goto usage;
}
}
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argc -= optind;
argv += optind;
if (argc != 0 && argc != 1)
goto usage;
if (argc == 1)
data->cmd = xstrdup(argv[0]);
return (0);
usage:
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
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self->entry->free(self);
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return (-1);
}
void
cmd_new_window_exec(struct cmd *self, struct cmd_ctx *ctx)
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{
struct cmd_new_window_data *data = self->data;
struct session *s;
struct winlink *wl;
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char *cmd, *cwd;
int idx;
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if (data == NULL)
return;
if (arg_parse_window(data->target, &s, &idx) != 0) {
ctx->error(ctx, "bad window: %s", data->target);
return;
}
if (s == NULL)
s = ctx->cursession;
if (s == NULL)
s = cmd_current_session(ctx);
if (s == NULL) {
ctx->error(ctx, "session not found: %s", data->target);
return;
}
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cmd = data->cmd;
if (cmd == NULL)
cmd = options_get_string(&s->options, "default-command");
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if (ctx->cmdclient == NULL || ctx->cmdclient->cwd == NULL)
cwd = options_get_string(&global_options, "default-path");
else
cwd = ctx->cmdclient->cwd;
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wl = session_new(s, data->name, cmd, cwd, idx);
if (wl == NULL) {
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ctx->error(ctx, "command failed: %s", cmd);
return;
}
if (!data->flag_detached) {
session_select(s, wl->idx);
server_redraw_session(s);
} else
server_status_session(s);
if (ctx->cmdclient != NULL)
server_write_client(ctx->cmdclient, MSG_EXIT, NULL, 0);
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}
void
cmd_new_window_send(struct cmd *self, struct buffer *b)
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{
struct cmd_new_window_data *data = self->data;
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buffer_write(b, data, sizeof *data);
cmd_send_string(b, data->target);
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cmd_send_string(b, data->name);
cmd_send_string(b, data->cmd);
}
void
cmd_new_window_recv(struct cmd *self, struct buffer *b)
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{
struct cmd_new_window_data *data;
self->data = data = xmalloc(sizeof *data);
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buffer_read(b, data, sizeof *data);
data->target = cmd_recv_string(b);
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data->name = cmd_recv_string(b);
data->cmd = cmd_recv_string(b);
}
void
cmd_new_window_free(struct cmd *self)
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{
struct cmd_new_window_data *data = self->data;
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if (data->target != NULL)
xfree(data->target);
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if (data->name != NULL)
xfree(data->name);
if (data->cmd != NULL)
xfree(data->cmd);
xfree(data);
}
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size_t
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cmd_new_window_print(struct cmd *self, char *buf, size_t len)
{
struct cmd_new_window_data *data = self->data;
size_t off = 0;
off += xsnprintf(buf, len, "%s", self->entry->name);
if (data == NULL)
return (off);
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if (off < len && data->flag_detached)
off += xsnprintf(buf + off, len - off, " -d");
if (off < len && data->target != NULL)
off += cmd_prarg(buf + off, len - off, " -t ", data->target);
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if (off < len && data->name != NULL)
off += cmd_prarg(buf + off, len - off, " -n ", data->name);
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if (off < len && data->cmd != NULL)
off += cmd_prarg(buf + off, len - off, " ", data->cmd);
return (off);
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}