Annotation of embedaddon/tmux/cmd-respawn-window.c, revision 1.1
1.1 ! misho 1: /* $OpenBSD$ */
! 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: static enum cmd_retval cmd_respawn_window_exec(struct cmd *,
! 31: struct cmdq_item *);
! 32:
! 33: const struct cmd_entry cmd_respawn_window_entry = {
! 34: .name = "respawn-window",
! 35: .alias = "respawnw",
! 36:
! 37: .args = { "kt:", 0, -1 },
! 38: .usage = "[-k] " CMD_TARGET_WINDOW_USAGE " [command]",
! 39:
! 40: .tflag = CMD_WINDOW,
! 41:
! 42: .flags = 0,
! 43: .exec = cmd_respawn_window_exec
! 44: };
! 45:
! 46: static enum cmd_retval
! 47: cmd_respawn_window_exec(struct cmd *self, struct cmdq_item *item)
! 48: {
! 49: struct args *args = self->args;
! 50: struct session *s = item->state.tflag.s;
! 51: struct winlink *wl = item->state.tflag.wl;
! 52: struct window *w = wl->window;
! 53: struct window_pane *wp;
! 54: struct environ *env;
! 55: const char *path;
! 56: char *cause;
! 57: struct environ_entry *envent;
! 58:
! 59: if (!args_has(self->args, 'k')) {
! 60: TAILQ_FOREACH(wp, &w->panes, entry) {
! 61: if (wp->fd == -1)
! 62: continue;
! 63: cmdq_error(item, "window still active: %s:%d", s->name,
! 64: wl->idx);
! 65: return (CMD_RETURN_ERROR);
! 66: }
! 67: }
! 68:
! 69: wp = TAILQ_FIRST(&w->panes);
! 70: TAILQ_REMOVE(&w->panes, wp, entry);
! 71: layout_free(w);
! 72: window_destroy_panes(w);
! 73: TAILQ_INSERT_HEAD(&w->panes, wp, entry);
! 74: window_pane_resize(wp, w->sx, w->sy);
! 75:
! 76: path = NULL;
! 77: if (item->client != NULL && item->client->session == NULL)
! 78: envent = environ_find(item->client->environ, "PATH");
! 79: else
! 80: envent = environ_find(s->environ, "PATH");
! 81: if (envent != NULL)
! 82: path = envent->value;
! 83:
! 84: env = environ_for_session(s);
! 85: if (window_pane_spawn(wp, args->argc, args->argv, path, NULL, NULL, env,
! 86: s->tio, &cause) != 0) {
! 87: cmdq_error(item, "respawn window failed: %s", cause);
! 88: free(cause);
! 89: environ_free(env);
! 90: server_destroy_pane(wp, 0);
! 91: return (CMD_RETURN_ERROR);
! 92: }
! 93: environ_free(env);
! 94: layout_init(w, wp);
! 95: window_pane_reset_mode(wp);
! 96: screen_reinit(&wp->base);
! 97: input_init(wp);
! 98: window_set_active_pane(w, wp);
! 99:
! 100: recalculate_sizes();
! 101: server_redraw_window(w);
! 102:
! 103: return (CMD_RETURN_NORMAL);
! 104: }
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