1 /* $OpenBSD: cmd-new-window.c,v 1.38 2013/11/23 09:18:29 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> 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 enum cmd_retval cmd_new_window_exec(struct cmd *, struct cmd_q *); 34 35 const struct cmd_entry cmd_new_window_entry = { 36 "new-window", "neww", 37 "ac:dF:kn:Pt:", 0, 1, 38 "[-adkP] [-c start-directory] [-F format] [-n window-name] " 39 CMD_TARGET_WINDOW_USAGE " [command]", 40 0, 41 NULL, 42 cmd_new_window_exec 43 }; 44 45 enum cmd_retval 46 cmd_new_window_exec(struct cmd *self, struct cmd_q *cmdq) 47 { 48 struct args *args = self->args; 49 struct session *s; 50 struct winlink *wl; 51 struct client *c; 52 const char *cmd, *template; 53 char *cause, *cp; 54 int idx, last, detached, cwd, fd = -1; 55 struct format_tree *ft; 56 57 if (args_has(args, 'a')) { 58 wl = cmd_find_window(cmdq, args_get(args, 't'), &s); 59 if (wl == NULL) 60 return (CMD_RETURN_ERROR); 61 idx = wl->idx + 1; 62 63 /* Find the next free index. */ 64 for (last = idx; last < INT_MAX; last++) { 65 if (winlink_find_by_index(&s->windows, last) == NULL) 66 break; 67 } 68 if (last == INT_MAX) { 69 cmdq_error(cmdq, "no free window indexes"); 70 return (CMD_RETURN_ERROR); 71 } 72 73 /* Move everything from last - 1 to idx up a bit. */ 74 for (; last > idx; last--) { 75 wl = winlink_find_by_index(&s->windows, last - 1); 76 server_link_window(s, wl, s, last, 0, 0, NULL); 77 server_unlink_window(s, wl); 78 } 79 } else { 80 if ((idx = cmd_find_index(cmdq, args_get(args, 't'), &s)) == -2) 81 return (CMD_RETURN_ERROR); 82 } 83 detached = args_has(args, 'd'); 84 85 if (args->argc == 0) 86 cmd = options_get_string(&s->options, "default-command"); 87 else 88 cmd = args->argv[0]; 89 90 if (args_has(args, 'c')) { 91 ft = format_create(); 92 if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL) 93 format_client(ft, c); 94 format_session(ft, s); 95 format_winlink(ft, s, s->curw); 96 format_window_pane(ft, s->curw->window->active); 97 cp = format_expand(ft, args_get(args, 'c')); 98 format_free(ft); 99 100 if (cp != NULL && *cp != '\0') { 101 fd = open(cp, O_RDONLY|O_DIRECTORY); 102 free(cp); 103 if (fd == -1) { 104 cmdq_error(cmdq, "bad working directory: %s", 105 strerror(errno)); 106 return (CMD_RETURN_ERROR); 107 } 108 } else if (cp != NULL) 109 free(cp); 110 cwd = fd; 111 } else if (cmdq->client != NULL && cmdq->client->session == NULL) 112 cwd = cmdq->client->cwd; 113 else 114 cwd = s->cwd; 115 116 wl = NULL; 117 if (idx != -1) 118 wl = winlink_find_by_index(&s->windows, idx); 119 if (wl != NULL && args_has(args, 'k')) { 120 /* 121 * Can't use session_detach as it will destroy session if this 122 * makes it empty. 123 */ 124 notify_window_unlinked(s, wl->window); 125 wl->flags &= ~WINLINK_ALERTFLAGS; 126 winlink_stack_remove(&s->lastw, wl); 127 winlink_remove(&s->windows, wl); 128 129 /* Force select/redraw if current. */ 130 if (wl == s->curw) { 131 detached = 0; 132 s->curw = NULL; 133 } 134 } 135 136 if (idx == -1) 137 idx = -1 - options_get_number(&s->options, "base-index"); 138 wl = session_new(s, args_get(args, 'n'), cmd, cwd, idx, &cause); 139 if (wl == NULL) { 140 cmdq_error(cmdq, "create window failed: %s", cause); 141 free(cause); 142 goto error; 143 } 144 if (!detached) { 145 session_select(s, wl->idx); 146 server_redraw_session_group(s); 147 } else 148 server_status_session_group(s); 149 150 if (args_has(args, 'P')) { 151 if ((template = args_get(args, 'F')) == NULL) 152 template = NEW_WINDOW_TEMPLATE; 153 154 ft = format_create(); 155 if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL) 156 format_client(ft, c); 157 format_session(ft, s); 158 format_winlink(ft, s, wl); 159 format_window_pane(ft, wl->window->active); 160 161 cp = format_expand(ft, template); 162 cmdq_print(cmdq, "%s", cp); 163 free(cp); 164 165 format_free(ft); 166 } 167 168 if (fd != -1) 169 close(fd); 170 return (CMD_RETURN_NORMAL); 171 172 error: 173 if (fd != -1) 174 close(fd); 175 return (CMD_RETURN_ERROR); 176 } 177