1 /* $OpenBSD: cmd-respawn-window.c,v 1.16 2012/07/11 07:10:15 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_ctx *); 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 NULL, 39 cmd_respawn_window_exec 40 }; 41 42 enum cmd_retval 43 cmd_respawn_window_exec(struct cmd *self, struct cmd_ctx *ctx) 44 { 45 struct args *args = self->args; 46 struct winlink *wl; 47 struct window *w; 48 struct window_pane *wp; 49 struct session *s; 50 struct environ env; 51 const char *cmd; 52 char *cause; 53 54 if ((wl = cmd_find_window(ctx, 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 ctx->error(ctx, 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 if (args->argc != 0) 80 cmd = args->argv[0]; 81 else 82 cmd = NULL; 83 if (window_pane_spawn(wp, cmd, NULL, NULL, &env, s->tio, &cause) != 0) { 84 ctx->error(ctx, "respawn window failed: %s", cause); 85 free(cause); 86 environ_free(&env); 87 server_destroy_pane(wp); 88 return (CMD_RETURN_ERROR); 89 } 90 layout_init(w); 91 window_pane_reset_mode(wp); 92 screen_reinit(&wp->base); 93 input_init(wp); 94 window_set_active_pane(w, wp); 95 96 recalculate_sizes(); 97 server_redraw_window(w); 98 99 environ_free(&env); 100 return (CMD_RETURN_NORMAL); 101 } 102