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Annotation of src/usr.bin/tmux/cmd-unlink-window.c, Revision 1.12

1.12    ! nicm        1: /* $OpenBSD: cmd-unlink-window.c,v 1.11 2012/07/11 07:10:15 nicm Exp $ */
1.1       nicm        2:
                      3: /*
                      4:  * Copyright (c) 2007 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 "tmux.h"
                     22:
                     23: /*
                     24:  * Unlink a window, unless it would be destroyed by doing so (only one link).
                     25:  */
                     26:
1.12    ! nicm       27: enum cmd_retval         cmd_unlink_window_exec(struct cmd *, struct cmd_q *);
1.1       nicm       28:
                     29: const struct cmd_entry cmd_unlink_window_entry = {
                     30:        "unlink-window", "unlinkw",
1.10      nicm       31:        "kt:", 0, 0,
1.3       nicm       32:        "[-k] " CMD_TARGET_WINDOW_USAGE,
1.10      nicm       33:        0,
                     34:        NULL,
                     35:        NULL,
                     36:        cmd_unlink_window_exec
1.1       nicm       37: };
                     38:
1.11      nicm       39: enum cmd_retval
1.12    ! nicm       40: cmd_unlink_window_exec(struct cmd *self, struct cmd_q *cmdq)
1.1       nicm       41: {
1.10      nicm       42:        struct args             *args = self->args;
1.1       nicm       43:        struct winlink          *wl;
1.7       nicm       44:        struct window           *w;
                     45:        struct session          *s, *s2;
                     46:        struct session_group    *sg;
                     47:        u_int                    references;
1.1       nicm       48:
1.12    ! nicm       49:        if ((wl = cmd_find_window(cmdq, args_get(args, 't'), &s)) == NULL)
1.11      nicm       50:                return (CMD_RETURN_ERROR);
1.7       nicm       51:        w = wl->window;
1.1       nicm       52:
1.7       nicm       53:        sg = session_group_find(s);
                     54:        if (sg != NULL) {
                     55:                references = 0;
                     56:                TAILQ_FOREACH(s2, &sg->sessions, gentry)
                     57:                        references++;
                     58:        } else
                     59:                references = 1;
                     60:
1.10      nicm       61:        if (!args_has(self->args, 'k') && w->references == references) {
1.12    ! nicm       62:                cmdq_error(cmdq, "window is only linked to one session");
1.11      nicm       63:                return (CMD_RETURN_ERROR);
1.1       nicm       64:        }
1.9       nicm       65:
1.5       nicm       66:        server_unlink_window(s, wl);
1.1       nicm       67:        recalculate_sizes();
                     68:
1.11      nicm       69:        return (CMD_RETURN_NORMAL);
1.1       nicm       70: }