tmux/cmd-new-session.c

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/* $Id: cmd-new-session.c,v 1.21 2008-06-02 21:08:36 nicm Exp $ */
/*
* 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 <getopt.h>
#include "tmux.h"
/*
* Create a new session and attach to the current terminal unless -d is given.
*/
int cmd_new_session_parse(struct cmd *, void **, int, char **, char **);
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void cmd_new_session_exec(void *, struct cmd_ctx *);
void cmd_new_session_send(void *, struct buffer *);
void cmd_new_session_recv(void **, struct buffer *);
void cmd_new_session_free(void *);
struct cmd_new_session_data {
char *name;
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char *winname;
char *cmd;
int flag_detached;
};
const struct cmd_entry cmd_new_session_entry = {
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"new-session", "new",
"[-d] [-s session-name] [-n window-name] [command]",
CMD_STARTSERVER|CMD_CANTNEST,
cmd_new_session_parse,
cmd_new_session_exec,
cmd_new_session_send,
cmd_new_session_recv,
cmd_new_session_free
};
int
cmd_new_session_parse(
struct cmd *self, void **ptr, int argc, char **argv, char **cause)
{
struct cmd_new_session_data *data;
int opt;
*ptr = data = xmalloc(sizeof *data);
data->flag_detached = 0;
data->name = NULL;
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data->winname = NULL;
data->cmd = NULL;
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while ((opt = getopt(argc, argv, "ds:n:")) != EOF) {
switch (opt) {
case 'd':
data->flag_detached = 1;
break;
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case 's':
data->name = xstrdup(optarg);
break;
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case 'n':
data->winname = xstrdup(optarg);
break;
default:
goto usage;
}
}
argc -= optind;
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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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cmd_new_session_free(data);
return (-1);
}
void
cmd_new_session_exec(void *ptr, struct cmd_ctx *ctx)
{
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struct cmd_new_session_data *data = ptr;
struct cmd_new_session_data std = { NULL, NULL, NULL, 0 };
struct client *c = ctx->cmdclient;
struct session *s;
char *cmd, *cause;
u_int sx, sy;
if (data == NULL)
data = &std;
if (ctx->flags & CMD_KEY)
return;
if (!data->flag_detached) {
if (c == NULL) {
ctx->error(ctx, "no client to attach to");
return;
}
if (!(c->flags & CLIENT_TERMINAL)) {
ctx->error(ctx, "not a terminal");
return;
}
}
if (data->name != NULL && session_find(data->name) != NULL) {
ctx->error(ctx, "duplicate session: %s", data->name);
return;
}
cmd = data->cmd;
if (cmd == NULL)
cmd = default_command;
sx = 80;
sy = 25;
if (!data->flag_detached) {
sx = c->sx;
sy = c->sy;
}
if (sy < status_lines)
sy = status_lines + 1;
sy -= status_lines;
if (!data->flag_detached && tty_open(&c->tty, &cause) != 0) {
ctx->error(ctx, "%s", cause);
xfree(cause);
return;
}
if ((s = session_create(data->name, cmd, sx, sy)) == NULL)
fatalx("session_create failed");
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if (data->winname != NULL) {
xfree(s->curw->window->name);
s->curw->window->name = xstrdup(data->winname);
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}
if (data->flag_detached) {
if (c != NULL)
server_write_client(c, MSG_EXIT, NULL, 0);
} else {
c->session = s;
server_write_client(c, MSG_READY, NULL, 0);
server_redraw_client(c);
}
}
void
cmd_new_session_send(void *ptr, struct buffer *b)
{
struct cmd_new_session_data *data = ptr;
buffer_write(b, data, sizeof *data);
cmd_send_string(b, data->name);
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cmd_send_string(b, data->winname);
cmd_send_string(b, data->cmd);
}
void
cmd_new_session_recv(void **ptr, struct buffer *b)
{
struct cmd_new_session_data *data;
*ptr = data = xmalloc(sizeof *data);
buffer_read(b, data, sizeof *data);
data->name = cmd_recv_string(b);
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data->winname = cmd_recv_string(b);
data->cmd = cmd_recv_string(b);
}
void
cmd_new_session_free(void *ptr)
{
struct cmd_new_session_data *data = ptr;
if (data->name != NULL)
xfree(data->name);
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if (data->winname != NULL)
xfree(data->winname);
if (data->cmd != NULL)
xfree(data->cmd);
xfree(data);
}