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/* $Id: cmd-new-window.c,v 1.47 2010/07/02 02:49:19 tcunha 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 <stdlib.h>
#include "tmux.h"
/*
* Create a new window.
*/
int cmd_new_window_parse(struct cmd *, int, char **, char **);
int cmd_new_window_exec(struct cmd *, struct cmd_ctx *);
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);
struct cmd_new_window_data {
char *target;
char *name;
char *cmd;
int flag_insert_after;
int flag_detached;
int flag_kill;
};
const struct cmd_entry cmd_new_window_entry = {
"new-window", "neww",
"[-adk] [-n window-name] [-t target-window] [command]",
0, "",
cmd_new_window_init,
cmd_new_window_parse,
cmd_new_window_exec,
cmd_new_window_free,
cmd_new_window_print
};
/* ARGSUSED */
void
cmd_new_window_init(struct cmd *self, unused int arg)
{
struct cmd_new_window_data *data;
self->data = data = xmalloc(sizeof *data);
data->target = NULL;
data->name = NULL;
data->cmd = NULL;
data->flag_insert_after = 0;
data->flag_detached = 0;
data->flag_kill = 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, KEYC_NONE);
data = self->data;
while ((opt = getopt(argc, argv, "adkt:n:")) != -1) {
switch (opt) {
case 'a':
data->flag_insert_after = 1;
break;
case 'd':
data->flag_detached = 1;
break;
case 'k':
data->flag_kill = 1;
break;
case 't':
if (data->target == NULL)
data->target = xstrdup(optarg);
break;
case 'n':
if (data->name == NULL)
data->name = 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_window_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_new_window_data *data = self->data;
struct session *s;
struct winlink *wl;
char *cmd, *cwd, *cause;
int idx, last;
if (data == NULL)
return (0);
if (data->flag_insert_after) {
if ((wl = cmd_find_window(ctx, data->target, &s)) == NULL)
return (-1);
idx = wl->idx + 1;
/* Find the next free index. */
for (last = idx; last < INT_MAX; last++) {
if (winlink_find_by_index(&s->windows, last) == NULL)
break;
}
if (last == INT_MAX) {
ctx->error(ctx, "no free window indexes");
return (-1);
}
/* Move everything from last - 1 to idx up a bit. */
for (; last > idx; last--) {
wl = winlink_find_by_index(&s->windows, last - 1);
server_link_window(s, wl, s, last, 0, 0, NULL);
server_unlink_window(s, wl);
}
} else {
if ((idx = cmd_find_index(ctx, data->target, &s)) == -2)
return (-1);
}
wl = NULL;
if (idx != -1)
wl = winlink_find_by_index(&s->windows, idx);
if (wl != NULL && data->flag_kill) {
/*
* Can't use session_detach as it will destroy session if this
* makes it empty.
*/
wl->flags &= ~WINLINK_ALERTFLAGS;
winlink_stack_remove(&s->lastw, wl);
winlink_remove(&s->windows, wl);
/* Force select/redraw if current. */
if (wl == s->curw) {
data->flag_detached = 0;
s->curw = NULL;
}
}
cmd = data->cmd;
if (cmd == NULL)
cmd = options_get_string(&s->options, "default-command");
cwd = options_get_string(&s->options, "default-path");
if (*cwd == '\0') {
if (ctx->cmdclient != NULL && ctx->cmdclient->cwd != NULL)
cwd = ctx->cmdclient->cwd;
else
cwd = s->cwd;
}
if (idx == -1)
idx = -1 - options_get_number(&s->options, "base-index");
wl = session_new(s, data->name, cmd, cwd, idx, &cause);
if (wl == NULL) {
ctx->error(ctx, "create window failed: %s", cause);
xfree(cause);
return (-1);
}
if (!data->flag_detached) {
session_select(s, wl->idx);
server_redraw_session_group(s);
} else
server_status_session_group(s);
return (0);
}
void
cmd_new_window_free(struct cmd *self)
{
struct cmd_new_window_data *data = self->data;
if (data->target != NULL)
xfree(data->target);
if (data->name != NULL)
xfree(data->name);
if (data->cmd != NULL)
xfree(data->cmd);
xfree(data);
}
size_t
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);
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);
if (off < len && data->name != NULL)
off += cmd_prarg(buf + off, len - off, " -n ", data->name);
if (off < len && data->cmd != NULL)
off += cmd_prarg(buf + off, len - off, " ", data->cmd);
return (off);
}