Make recalculate_sizes() handle an empty window with no active
[tmux-openbsd.git] / cmd-break-pane.c
blobbac332a2e636c8a07471fa15e9a984e3f1aa0d8c
1 /* $OpenBSD$ */
3 /*
4 * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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.
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.
19 #include <sys/types.h>
21 #include <stdlib.h>
23 #include "tmux.h"
26 * Break pane off into a window.
29 enum cmd_retval cmd_break_pane_exec(struct cmd *, struct cmd_q *);
31 const struct cmd_entry cmd_break_pane_entry = {
32 "break-pane", "breakp",
33 "dPF:t:", 0, 0,
34 "[-dP] [-F format] " CMD_TARGET_PANE_USAGE,
36 NULL,
37 NULL,
38 cmd_break_pane_exec
41 enum cmd_retval
42 cmd_break_pane_exec(struct cmd *self, struct cmd_q *cmdq)
44 struct args *args = self->args;
45 struct winlink *wl;
46 struct session *s;
47 struct window_pane *wp;
48 struct window *w;
49 char *name;
50 char *cause;
51 int base_idx;
52 struct client *c;
53 struct format_tree *ft;
54 const char *template;
55 char *cp;
57 if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL)
58 return (CMD_RETURN_ERROR);
60 if (window_count_panes(wl->window) == 1) {
61 cmdq_error(cmdq, "can't break with only one pane");
62 return (CMD_RETURN_ERROR);
65 w = wl->window;
66 server_unzoom_window(w);
68 TAILQ_REMOVE(&w->panes, wp, entry);
69 if (wp == w->active) {
70 w->active = w->last;
71 w->last = NULL;
72 if (w->active == NULL) {
73 w->active = TAILQ_PREV(wp, window_panes, entry);
74 if (w->active == NULL)
75 w->active = TAILQ_NEXT(wp, entry);
77 } else if (wp == w->last)
78 w->last = NULL;
79 layout_close_pane(wp);
81 w = wp->window = window_create1(s->sx, s->sy);
82 TAILQ_INSERT_HEAD(&w->panes, wp, entry);
83 w->active = wp;
84 name = default_window_name(w);
85 window_set_name(w, name);
86 free(name);
87 layout_init(w, wp);
89 base_idx = options_get_number(&s->options, "base-index");
90 wl = session_attach(s, w, -1 - base_idx, &cause); /* can't fail */
91 if (!args_has(self->args, 'd'))
92 session_select(s, wl->idx);
94 server_redraw_session(s);
95 server_status_session_group(s);
97 if (args_has(args, 'P')) {
98 if ((template = args_get(args, 'F')) == NULL)
99 template = BREAK_PANE_TEMPLATE;
101 ft = format_create();
102 if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
103 format_client(ft, c);
104 format_session(ft, s);
105 format_winlink(ft, s, wl);
106 format_window_pane(ft, wp);
108 cp = format_expand(ft, template);
109 cmdq_print(cmdq, "%s", cp);
110 free(cp);
112 format_free(ft);
114 return (CMD_RETURN_NORMAL);