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tmux 2.4

    1: /* $OpenBSD$ */
    2: 
    3: /*
    4:  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
    5:  *
    6:  * Permission to use, copy, modify, and distribute this software for any
    7:  * purpose with or without fee is hereby granted, provided that the above
    8:  * copyright notice and this permission notice appear in all copies.
    9:  *
   10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
   15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
   16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   17:  */
   18: 
   19: #include <sys/types.h>
   20: 
   21: #include <errno.h>
   22: #include <fcntl.h>
   23: #include <stdlib.h>
   24: #include <string.h>
   25: #include <unistd.h>
   26: 
   27: #include "tmux.h"
   28: 
   29: /*
   30:  * Create a new window.
   31:  */
   32: 
   33: #define NEW_WINDOW_TEMPLATE "#{session_name}:#{window_index}.#{pane_index}"
   34: 
   35: static enum cmd_retval	cmd_new_window_exec(struct cmd *, struct cmdq_item *);
   36: 
   37: const struct cmd_entry cmd_new_window_entry = {
   38: 	.name = "new-window",
   39: 	.alias = "neww",
   40: 
   41: 	.args = { "ac:dF:kn:Pt:", 0, -1 },
   42: 	.usage = "[-adkP] [-c start-directory] [-F format] [-n window-name] "
   43: 		 CMD_TARGET_WINDOW_USAGE " [command]",
   44: 
   45: 	.tflag = CMD_WINDOW_INDEX,
   46: 
   47: 	.flags = 0,
   48: 	.exec = cmd_new_window_exec
   49: };
   50: 
   51: static enum cmd_retval
   52: cmd_new_window_exec(struct cmd *self, struct cmdq_item *item)
   53: {
   54: 	struct args		*args = self->args;
   55: 	struct session		*s = item->state.tflag.s;
   56: 	struct winlink		*wl = item->state.tflag.wl;
   57: 	struct client		*c = item->state.c;
   58: 	int			 idx = item->state.tflag.idx;
   59: 	const char		*cmd, *path, *template, *cwd, *to_free;
   60: 	char		       **argv, *cause, *cp;
   61: 	int			 argc, detached;
   62: 	struct environ_entry	*envent;
   63: 	struct cmd_find_state	 fs;
   64: 
   65: 	if (args_has(args, 'a')) {
   66: 		if ((idx = winlink_shuffle_up(s, wl)) == -1) {
   67: 			cmdq_error(item, "no free window indexes");
   68: 			return (CMD_RETURN_ERROR);
   69: 		}
   70: 	}
   71: 	detached = args_has(args, 'd');
   72: 
   73: 	if (args->argc == 0) {
   74: 		cmd = options_get_string(s->options, "default-command");
   75: 		if (cmd != NULL && *cmd != '\0') {
   76: 			argc = 1;
   77: 			argv = (char **)&cmd;
   78: 		} else {
   79: 			argc = 0;
   80: 			argv = NULL;
   81: 		}
   82: 	} else {
   83: 		argc = args->argc;
   84: 		argv = args->argv;
   85: 	}
   86: 
   87: 	path = NULL;
   88: 	if (item->client != NULL && item->client->session == NULL)
   89: 		envent = environ_find(item->client->environ, "PATH");
   90: 	else
   91: 		envent = environ_find(s->environ, "PATH");
   92: 	if (envent != NULL)
   93: 		path = envent->value;
   94: 
   95: 	to_free = NULL;
   96: 	if (args_has(args, 'c')) {
   97: 		cwd = args_get(args, 'c');
   98: 		to_free = cwd = format_single(item, cwd, c, s, NULL, NULL);
   99: 	} else if (item->client != NULL && item->client->session == NULL)
  100: 		cwd = item->client->cwd;
  101: 	else
  102: 		cwd = s->cwd;
  103: 
  104: 	wl = NULL;
  105: 	if (idx != -1)
  106: 		wl = winlink_find_by_index(&s->windows, idx);
  107: 	if (wl != NULL && args_has(args, 'k')) {
  108: 		/*
  109: 		 * Can't use session_detach as it will destroy session if this
  110: 		 * makes it empty.
  111: 		 */
  112: 		notify_session_window("window-unlinked", s, wl->window);
  113: 		wl->flags &= ~WINLINK_ALERTFLAGS;
  114: 		winlink_stack_remove(&s->lastw, wl);
  115: 		winlink_remove(&s->windows, wl);
  116: 
  117: 		/* Force select/redraw if current. */
  118: 		if (wl == s->curw) {
  119: 			detached = 0;
  120: 			s->curw = NULL;
  121: 		}
  122: 	}
  123: 
  124: 	if (idx == -1)
  125: 		idx = -1 - options_get_number(s->options, "base-index");
  126: 	wl = session_new(s, args_get(args, 'n'), argc, argv, path, cwd, idx,
  127: 		&cause);
  128: 	if (wl == NULL) {
  129: 		cmdq_error(item, "create window failed: %s", cause);
  130: 		free(cause);
  131: 		goto error;
  132: 	}
  133: 	if (!detached) {
  134: 		session_select(s, wl->idx);
  135: 		server_redraw_session_group(s);
  136: 	} else
  137: 		server_status_session_group(s);
  138: 
  139: 	if (args_has(args, 'P')) {
  140: 		if ((template = args_get(args, 'F')) == NULL)
  141: 			template = NEW_WINDOW_TEMPLATE;
  142: 		cp = format_single(item, template, c, s, wl, NULL);
  143: 		cmdq_print(item, "%s", cp);
  144: 		free(cp);
  145: 	}
  146: 
  147: 	if (to_free != NULL)
  148: 		free((void *)to_free);
  149: 
  150: 	cmd_find_from_winlink(&fs, s, wl);
  151: 	hooks_insert(s->hooks, item, &fs, "after-new-window");
  152: 
  153: 	return (CMD_RETURN_NORMAL);
  154: 
  155: error:
  156: 	if (to_free != NULL)
  157: 		free((void *)to_free);
  158: 	return (CMD_RETURN_ERROR);
  159: }