1 /* $OpenBSD: cmd-new-window.c,v 1.43 2014/10/20 23:35:28 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 #define NEW_WINDOW_TEMPLATE "#{session_name}:#{window_index}.#{pane_index}" 34 35 enum cmd_retval cmd_new_window_exec(struct cmd *, struct cmd_q *); 36 37 const struct cmd_entry cmd_new_window_entry = { 38 "new-window", "neww", 39 "ac:dF:kn:Pt:", 0, -1, 40 "[-adkP] [-c start-directory] [-F format] [-n window-name] " 41 CMD_TARGET_WINDOW_USAGE " [command]", 42 0, 43 cmd_new_window_exec 44 }; 45 46 enum cmd_retval 47 cmd_new_window_exec(struct cmd *self, struct cmd_q *cmdq) 48 { 49 struct args *args = self->args; 50 struct session *s; 51 struct winlink *wl; 52 struct client *c; 53 const char *cmd, *path, *template; 54 char **argv, *cause, *cp; 55 int argc, idx, last, detached, cwd, fd = -1; 56 struct format_tree *ft; 57 struct environ_entry *envent; 58 59 if (args_has(args, 'a')) { 60 wl = cmd_find_window(cmdq, args_get(args, 't'), &s); 61 if (wl == NULL) 62 return (CMD_RETURN_ERROR); 63 idx = wl->idx + 1; 64 65 /* Find the next free index. */ 66 for (last = idx; last < INT_MAX; last++) { 67 if (winlink_find_by_index(&s->windows, last) == NULL) 68 break; 69 } 70 if (last == INT_MAX) { 71 cmdq_error(cmdq, "no free window indexes"); 72 return (CMD_RETURN_ERROR); 73 } 74 75 /* Move everything from last - 1 to idx up a bit. */ 76 for (; last > idx; last--) { 77 wl = winlink_find_by_index(&s->windows, last - 1); 78 server_link_window(s, wl, s, last, 0, 0, NULL); 79 server_unlink_window(s, wl); 80 } 81 } else { 82 idx = cmd_find_index(cmdq, args_get(args, 't'), &s); 83 if (idx == -2) 84 return (CMD_RETURN_ERROR); 85 } 86 detached = args_has(args, 'd'); 87 88 if (args->argc == 0) { 89 cmd = options_get_string(&s->options, "default-command"); 90 if (cmd != NULL && *cmd != '\0') { 91 argc = 1; 92 argv = (char **)&cmd; 93 } else { 94 argc = 0; 95 argv = NULL; 96 } 97 } else { 98 argc = args->argc; 99 argv = args->argv; 100 } 101 102 path = NULL; 103 if (cmdq->client != NULL && cmdq->client->session == NULL) 104 envent = environ_find(&cmdq->client->environ, "PATH"); 105 else 106 envent = environ_find(&s->environ, "PATH"); 107 if (envent != NULL) 108 path = envent->value; 109 110 if (args_has(args, 'c')) { 111 ft = format_create(); 112 if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL) 113 format_client(ft, c); 114 format_session(ft, s); 115 format_winlink(ft, s, s->curw); 116 format_window_pane(ft, s->curw->window->active); 117 cp = format_expand(ft, args_get(args, 'c')); 118 format_free(ft); 119 120 if (cp != NULL && *cp != '\0') { 121 fd = open(cp, O_RDONLY|O_DIRECTORY); 122 free(cp); 123 if (fd == -1) { 124 cmdq_error(cmdq, "bad working directory: %s", 125 strerror(errno)); 126 return (CMD_RETURN_ERROR); 127 } 128 } else if (cp != NULL) 129 free(cp); 130 cwd = fd; 131 } else if (cmdq->client != NULL && cmdq->client->session == NULL) 132 cwd = cmdq->client->cwd; 133 else 134 cwd = s->cwd; 135 136 wl = NULL; 137 if (idx != -1) 138 wl = winlink_find_by_index(&s->windows, idx); 139 if (wl != NULL && args_has(args, 'k')) { 140 /* 141 * Can't use session_detach as it will destroy session if this 142 * makes it empty. 143 */ 144 notify_window_unlinked(s, wl->window); 145 wl->flags &= ~WINLINK_ALERTFLAGS; 146 winlink_stack_remove(&s->lastw, wl); 147 winlink_remove(&s->windows, wl); 148 149 /* Force select/redraw if current. */ 150 if (wl == s->curw) { 151 detached = 0; 152 s->curw = NULL; 153 } 154 } 155 156 if (idx == -1) 157 idx = -1 - options_get_number(&s->options, "base-index"); 158 wl = session_new(s, args_get(args, 'n'), argc, argv, path, cwd, idx, 159 &cause); 160 if (wl == NULL) { 161 cmdq_error(cmdq, "create window failed: %s", cause); 162 free(cause); 163 goto error; 164 } 165 if (!detached) { 166 session_select(s, wl->idx); 167 server_redraw_session_group(s); 168 } else 169 server_status_session_group(s); 170 171 if (args_has(args, 'P')) { 172 if ((template = args_get(args, 'F')) == NULL) 173 template = NEW_WINDOW_TEMPLATE; 174 175 ft = format_create(); 176 if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL) 177 format_client(ft, c); 178 format_session(ft, s); 179 format_winlink(ft, s, wl); 180 format_window_pane(ft, wl->window->active); 181 182 cp = format_expand(ft, template); 183 cmdq_print(cmdq, "%s", cp); 184 free(cp); 185 186 format_free(ft); 187 } 188 189 if (fd != -1) 190 close(fd); 191 return (CMD_RETURN_NORMAL); 192 193 error: 194 if (fd != -1) 195 close(fd); 196 return (CMD_RETURN_ERROR); 197 } 198