1 /* $OpenBSD: cmd-respawn-window.c,v 1.30 2016/01/19 15:59:12 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2008 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 <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 .name = "respawn-window", 34 .alias = "respawnw", 35 36 .args = { "kt:", 0, -1 }, 37 .usage = "[-k] " CMD_TARGET_WINDOW_USAGE " [command]", 38 39 .tflag = CMD_WINDOW, 40 41 .flags = 0, 42 .exec = cmd_respawn_window_exec 43 }; 44 45 enum cmd_retval 46 cmd_respawn_window_exec(struct cmd *self, struct cmd_q *cmdq) 47 { 48 struct args *args = self->args; 49 struct session *s = cmdq->state.tflag.s; 50 struct winlink *wl = cmdq->state.tflag.wl; 51 struct window *w = wl->window; 52 struct window_pane *wp; 53 struct environ *env; 54 const char *path; 55 char *cause; 56 struct environ_entry *envent; 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, "window still active: %s:%d", s->name, 63 wl->idx); 64 return (CMD_RETURN_ERROR); 65 } 66 } 67 68 env = environ_create(); 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, NULL, 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, 0); 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