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cmd-new-session.c    249 lines (212 with data), 6.1 kB

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/* $Id: cmd-new-session.c,v 1.40 2009-04-01 18:21:24 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 "tmux.h"
/*
* Create a new session and attach to the current terminal unless -d is given.
*/
int cmd_new_session_parse(struct cmd *, int, char **, char **);
int cmd_new_session_exec(struct cmd *, struct cmd_ctx *);
void cmd_new_session_send(struct cmd *, struct buffer *);
void cmd_new_session_recv(struct cmd *, struct buffer *);
void cmd_new_session_free(struct cmd *);
void cmd_new_session_init(struct cmd *, int);
size_t cmd_new_session_print(struct cmd *, char *, size_t);
struct cmd_new_session_data {
char *newname;
char *winname;
char *cmd;
int flag_detached;
};
const struct cmd_entry cmd_new_session_entry = {
"new-session", "new",
"[-d] [-n window-name] [-s session-name] [command]",
CMD_STARTSERVER|CMD_CANTNEST,
cmd_new_session_init,
cmd_new_session_parse,
cmd_new_session_exec,
cmd_new_session_send,
cmd_new_session_recv,
cmd_new_session_free,
cmd_new_session_print
};
void
cmd_new_session_init(struct cmd *self, unused int arg)
{
struct cmd_new_session_data *data;
self->data = data = xmalloc(sizeof *data);
data->flag_detached = 0;
data->newname = NULL;
data->winname = NULL;
data->cmd = NULL;
}
int
cmd_new_session_parse(struct cmd *self, int argc, char **argv, char **cause)
{
struct cmd_new_session_data *data;
int opt;
self->entry->init(self, 0);
data = self->data;
while ((opt = getopt(argc, argv, "ds:n:")) != -1) {
switch (opt) {
case 'd':
data->flag_detached = 1;
break;
case 's':
if (data->newname == NULL)
data->newname = xstrdup(optarg);
break;
case 'n':
if (data->winname == NULL)
data->winname = xstrdup(optarg);
break;
default:
goto usage;
}
}
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);
self->entry->free(self);
return (-1);
}
int
cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_new_session_data *data = self->data;
struct client *c = ctx->cmdclient;
struct session *s;
char *cmd, *cwd, *cause;
u_int sx, sy;
if (ctx->curclient != NULL)
return (0);
if (!data->flag_detached) {
if (c == NULL) {
ctx->error(ctx, "no client to attach to");
return (-1);
}
if (!(c->flags & CLIENT_TERMINAL)) {
ctx->error(ctx, "not a terminal");
return (-1);
}
}
if (data->newname != NULL && session_find(data->newname) != NULL) {
ctx->error(ctx, "duplicate session: %s", data->newname);
return (-1);
}
cmd = data->cmd;
if (cmd == NULL)
cmd = options_get_string(&global_options, "default-command");
if (c == NULL || c->cwd == NULL)
cwd = options_get_string(&global_options, "default-path");
else
cwd = c->cwd;
sx = 80;
sy = 25;
if (!data->flag_detached) {
sx = c->tty.sx;
sy = c->tty.sy;
}
if (options_get_number(&global_options, "status")) {
if (sy == 0)
sy = 1;
else
sy--;
}
if (!data->flag_detached && tty_open(&c->tty, &cause) != 0) {
ctx->error(ctx, "open terminal failed: %s", cause);
xfree(cause);
return (-1);
}
s = session_create(data->newname, cmd, cwd, sx, sy, &cause);
if (s == NULL) {
ctx->error(ctx, "create session failed: %s", cause);
xfree(cause);
return (-1);
}
if (data->winname != NULL) {
xfree(s->curw->window->name);
s->curw->window->name = xstrdup(data->winname);
options_set_number(
&s->curw->window->options, "automatic-rename", 0);
}
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);
}
recalculate_sizes();
return (1);
}
void
cmd_new_session_send(struct cmd *self, struct buffer *b)
{
struct cmd_new_session_data *data = self->data;
buffer_write(b, data, sizeof *data);
cmd_send_string(b, data->newname);
cmd_send_string(b, data->winname);
cmd_send_string(b, data->cmd);
}
void
cmd_new_session_recv(struct cmd *self, struct buffer *b)
{
struct cmd_new_session_data *data;
self->data = data = xmalloc(sizeof *data);
buffer_read(b, data, sizeof *data);
data->newname = cmd_recv_string(b);
data->winname = cmd_recv_string(b);
data->cmd = cmd_recv_string(b);
}
void
cmd_new_session_free(struct cmd *self)
{
struct cmd_new_session_data *data = self->data;
if (data->newname != NULL)
xfree(data->newname);
if (data->winname != NULL)
xfree(data->winname);
if (data->cmd != NULL)
xfree(data->cmd);
xfree(data);
}
size_t
cmd_new_session_print(struct cmd *self, char *buf, size_t len)
{
struct cmd_new_session_data *data = self->data;
size_t off = 0;
off += xsnprintf(buf, len, "%s", self->entry->name);
if (data == NULL)
return (off);
if (off < len && data->flag_detached)
off += xsnprintf(buf + off, len - off, " -d");
if (off < len && data->newname != NULL)
off += cmd_prarg(buf + off, len - off, " -s ", data->newname);
if (off < len && data->winname != NULL)
off += cmd_prarg(buf + off, len - off, " -n ", data->winname);
if (off < len && data->cmd != NULL)
off += cmd_prarg(buf + off, len - off, " ", data->cmd);
return (off);
}