1 /* $OpenBSD: cmd-respawn-window.c,v 1.9 2009/09/16 12:35:04 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 <unistd.h> 22 23 #include "tmux.h" 24 25 /* 26 * Respawn a window (restart the command). Kill existing if -k given. 27 */ 28 29 int cmd_respawn_window_exec(struct cmd *, struct cmd_ctx *); 30 31 const struct cmd_entry cmd_respawn_window_entry = { 32 "respawn-window", "respawnw", 33 "[-k] " CMD_TARGET_WINDOW_USAGE " [command]", 34 CMD_ARG01, CMD_CHFLAG('k'), 35 cmd_target_init, 36 cmd_target_parse, 37 cmd_respawn_window_exec, 38 cmd_target_free, 39 cmd_target_print 40 }; 41 42 int 43 cmd_respawn_window_exec(struct cmd *self, struct cmd_ctx *ctx) 44 { 45 struct cmd_target_data *data = self->data; 46 struct winlink *wl; 47 struct window *w; 48 struct window_pane *wp; 49 struct session *s; 50 struct environ env; 51 char *cause; 52 53 if ((wl = cmd_find_window(ctx, data->target, &s)) == NULL) 54 return (-1); 55 w = wl->window; 56 57 if (!(data->chflags & CMD_CHFLAG('k'))) { 58 TAILQ_FOREACH(wp, &w->panes, entry) { 59 if (wp->fd == -1) 60 continue; 61 ctx->error(ctx, 62 "window still active: %s:%d", s->name, wl->idx); 63 return (-1); 64 } 65 } 66 67 environ_init(&env); 68 environ_copy(&global_environ, &env); 69 environ_copy(&s->environ, &env); 70 server_fill_environ(s, &env); 71 72 wp = TAILQ_FIRST(&w->panes); 73 TAILQ_REMOVE(&w->panes, wp, entry); 74 layout_free(w); 75 window_destroy_panes(w); 76 TAILQ_INSERT_HEAD(&w->panes, wp, entry); 77 window_pane_resize(wp, w->sx, w->sy); 78 if (window_pane_spawn( 79 wp, data->arg, NULL, NULL, &env, s->tio, &cause) != 0) { 80 ctx->error(ctx, "respawn window failed: %s", cause); 81 xfree(cause); 82 environ_free(&env); 83 return (-1); 84 } 85 layout_init(w); 86 screen_reinit(&wp->base); 87 window_set_active_pane(w, wp); 88 89 recalculate_sizes(); 90 server_redraw_window(w); 91 92 environ_free(&env); 93 return (0); 94 } 95