cmd-move-window.c revision 1.2 
1/* $OpenBSD: cmd-move-window.c,v 1.2 2009/07/13 17:47:46 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
23#include "tmux.h"
24
25/*
26 * Move a window.
27 */
28
29int	cmd_move_window_exec(struct cmd *, struct cmd_ctx *);
30
31const struct cmd_entry cmd_move_window_entry = {
32	"move-window", "movew",
33	"[-dk] " CMD_SRCDST_WINDOW_USAGE,
34	CMD_DFLAG|CMD_KFLAG,
35	cmd_srcdst_init,
36	cmd_srcdst_parse,
37	cmd_move_window_exec,
38	cmd_srcdst_send,
39	cmd_srcdst_recv,
40	cmd_srcdst_free,
41	cmd_srcdst_print
42};
43
44int
45cmd_move_window_exec(struct cmd *self, struct cmd_ctx *ctx)
46{
47	struct cmd_srcdst_data	*data = self->data;
48	struct session		*src, *dst;
49	struct winlink		*wl_src, *wl_dst;
50	struct client		*c;
51	u_int		 	 i;
52	int		 	 destroyed, idx;
53	char			*cause;
54
55	if ((wl_src = cmd_find_window(ctx, data->src, &src)) == NULL)
56		return (-1);
57	if ((idx = cmd_find_index(ctx, data->dst, &dst)) == -2)
58		return (-1);
59
60	wl_dst = NULL;
61	if (idx != -1)
62		wl_dst = winlink_find_by_index(&dst->windows, idx);
63	if (wl_dst != NULL) {
64		if (wl_dst->window == wl_src->window)
65			return (0);
66
67		if (data->flags & CMD_KFLAG) {
68			/*
69			 * Can't use session_detach as it will destroy session
70			 * if this makes it empty.
71			 */
72			session_alert_cancel(dst, wl_dst);
73			winlink_stack_remove(&dst->lastw, wl_dst);
74			winlink_remove(&dst->windows, wl_dst);
75
76			/* Force select/redraw if current. */
77			if (wl_dst == dst->curw) {
78				data->flags &= ~CMD_DFLAG;
79				dst->curw = NULL;
80			}
81		}
82	}
83
84	wl_dst = session_attach(dst, wl_src->window, idx, &cause);
85	if (wl_dst == NULL) {
86		ctx->error(ctx, "attach window failed: %s", cause);
87		xfree(cause);
88		return (-1);
89	}
90
91	destroyed = session_detach(src, wl_src);
92	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
93		c = ARRAY_ITEM(&clients, i);
94		if (c == NULL || c->session != src)
95			continue;
96		if (destroyed) {
97			c->session = NULL;
98			server_write_client(c, MSG_EXIT, NULL, 0);
99		} else
100			server_redraw_client(c);
101	}
102
103	if (data->flags & CMD_DFLAG)
104		server_status_session(dst);
105	else {
106		session_select(dst, wl_dst->idx);
107		server_redraw_session(dst);
108	}
109	recalculate_sizes();
110
111	return (0);
112}
113