1 /* $OpenBSD: cmd-respawn-window.c,v 1.22 2014/05/13 08:08:32 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2008 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 <stdlib.h> 22 #include <unistd.h> 23 24 #include "tmux.h" 25 26 /* 27 * Respawn a window (restart the command). Kill existing if -k given. 28 */ 29 30 enum cmd_retval cmd_respawn_window_exec(struct cmd *, struct cmd_q *); 31 32 const struct cmd_entry cmd_respawn_window_entry = { 33 "respawn-window", "respawnw", 34 "kt:", 0, -1, 35 "[-k] " CMD_TARGET_WINDOW_USAGE " [command]", 36 0, 37 NULL, 38 cmd_respawn_window_exec 39 }; 40 41 enum cmd_retval 42 cmd_respawn_window_exec(struct cmd *self, struct cmd_q *cmdq) 43 { 44 struct args *args = self->args; 45 struct winlink *wl; 46 struct window *w; 47 struct window_pane *wp; 48 struct session *s; 49 struct environ env; 50 const char *path; 51 char *cause; 52 struct environ_entry *envent; 53 54 if ((wl = cmd_find_window(cmdq, args_get(args, 't'), &s)) == NULL) 55 return (CMD_RETURN_ERROR); 56 w = wl->window; 57 58 if (!args_has(self->args, 'k')) { 59 TAILQ_FOREACH(wp, &w->panes, entry) { 60 if (wp->fd == -1) 61 continue; 62 cmdq_error(cmdq, 63 "window still active: %s:%d", s->name, wl->idx); 64 return (CMD_RETURN_ERROR); 65 } 66 } 67 68 environ_init(&env); 69 environ_copy(&global_environ, &env); 70 environ_copy(&s->environ, &env); 71 server_fill_environ(s, &env); 72 73 wp = TAILQ_FIRST(&w->panes); 74 TAILQ_REMOVE(&w->panes, wp, entry); 75 layout_free(w); 76 window_destroy_panes(w); 77 TAILQ_INSERT_HEAD(&w->panes, wp, entry); 78 window_pane_resize(wp, w->sx, w->sy); 79 80 path = NULL; 81 if (cmdq->client != NULL && cmdq->client->session == NULL) 82 envent = environ_find(&cmdq->client->environ, "PATH"); 83 else 84 envent = environ_find(&s->environ, "PATH"); 85 if (envent != NULL) 86 path = envent->value; 87 88 if (window_pane_spawn(wp, args->argc, args->argv, path, NULL, -1, &env, 89 s->tio, &cause) != 0) { 90 cmdq_error(cmdq, "respawn window failed: %s", cause); 91 free(cause); 92 environ_free(&env); 93 server_destroy_pane(wp); 94 return (CMD_RETURN_ERROR); 95 } 96 layout_init(w, wp); 97 window_pane_reset_mode(wp); 98 screen_reinit(&wp->base); 99 input_init(wp); 100 window_set_active_pane(w, wp); 101 102 recalculate_sizes(); 103 server_redraw_window(w); 104 105 environ_free(&env); 106 return (CMD_RETURN_NORMAL); 107 } 108