xref: /netbsd-src/external/bsd/tmux/dist/cmd-join-pane.c (revision c23f9150cad51fdd442fa1806fac769ae26a1fdd)
1 /* $OpenBSD$ */
2 
3 /*
4  * Copyright (c) 2011 George Nachman <tmux@georgester.com>
5  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
6  *
7  * Permission to use, copy, modify, and distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
16  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
17  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 #include <sys/types.h>
21 
22 #include <stdlib.h>
23 #include <string.h>
24 #include <unistd.h>
25 
26 #include "tmux.h"
27 
28 /*
29  * Join or move a pane into another (like split/swap/kill).
30  */
31 
32 static enum cmd_retval	cmd_join_pane_exec(struct cmd *, struct cmdq_item *);
33 
34 const struct cmd_entry cmd_join_pane_entry = {
35 	.name = "join-pane",
36 	.alias = "joinp",
37 
38 	.args = { "bdfhvp:l:s:t:", 0, 0, NULL },
39 	.usage = "[-bdfhv] [-l size] " CMD_SRCDST_PANE_USAGE,
40 
41 	.source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
42 	.target = { 't', CMD_FIND_PANE, 0 },
43 
44 	.flags = 0,
45 	.exec = cmd_join_pane_exec
46 };
47 
48 const struct cmd_entry cmd_move_pane_entry = {
49 	.name = "move-pane",
50 	.alias = "movep",
51 
52 	.args = { "bdfhvp:l:s:t:", 0, 0, NULL },
53 	.usage = "[-bdfhv] [-l size] " CMD_SRCDST_PANE_USAGE,
54 
55 	.source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
56 	.target = { 't', CMD_FIND_PANE, 0 },
57 
58 	.flags = 0,
59 	.exec = cmd_join_pane_exec
60 };
61 
62 static enum cmd_retval
cmd_join_pane_exec(struct cmd * self,struct cmdq_item * item)63 cmd_join_pane_exec(struct cmd *self, struct cmdq_item *item)
64 {
65 	struct args		*args = cmd_get_args(self);
66 	struct cmd_find_state	*current = cmdq_get_current(item);
67 	struct cmd_find_state	*target = cmdq_get_target(item);
68 	struct cmd_find_state	*source = cmdq_get_source(item);
69 	struct session		*dst_s;
70 	struct winlink		*src_wl, *dst_wl;
71 	struct window		*src_w, *dst_w;
72 	struct window_pane	*src_wp, *dst_wp;
73 	char			*cause = NULL;
74 	int			 size, dst_idx;
75 	int			 flags;
76 	enum layout_type	 type;
77 	struct layout_cell	*lc;
78 	u_int			 curval = 0;
79 
80 	dst_s = target->s;
81 	dst_wl = target->wl;
82 	dst_wp = target->wp;
83 	dst_w = dst_wl->window;
84 	dst_idx = dst_wl->idx;
85 	server_unzoom_window(dst_w);
86 
87 	src_wl = source->wl;
88 	src_wp = source->wp;
89 	src_w = src_wl->window;
90 	server_unzoom_window(src_w);
91 
92 	if (src_wp == dst_wp) {
93 		cmdq_error(item, "source and target panes must be different");
94 		return (CMD_RETURN_ERROR);
95 	}
96 
97 	type = LAYOUT_TOPBOTTOM;
98 	if (args_has(args, 'h'))
99 		type = LAYOUT_LEFTRIGHT;
100 
101 	/* If the 'p' flag is dropped then this bit can be moved into 'l'. */
102 	if (args_has(args, 'l') || args_has(args, 'p')) {
103 		if (args_has(args, 'f')) {
104 			if (type == LAYOUT_TOPBOTTOM)
105 				curval = dst_w->sy;
106 			else
107 				curval = dst_w->sx;
108 		} else {
109 			if (type == LAYOUT_TOPBOTTOM)
110 				curval = dst_wp->sy;
111 			else
112 				curval = dst_wp->sx;
113 		}
114 	}
115 
116 	size = -1;
117 	if (args_has(args, 'l')) {
118 		size = args_percentage_and_expand(args, 'l', 0, INT_MAX, curval,
119 			   item, &cause);
120 	} else if (args_has(args, 'p')) {
121 		size = args_strtonum_and_expand(args, 'l', 0, 100, item,
122 			   &cause);
123 		if (cause == NULL)
124 			size = curval * size / 100;
125 	}
126 	if (cause != NULL) {
127 		cmdq_error(item, "size %s", cause);
128 		free(cause);
129 		return (CMD_RETURN_ERROR);
130 	}
131 
132 	flags = 0;
133 	if (args_has(args, 'b'))
134 		flags |= SPAWN_BEFORE;
135 	if (args_has(args, 'f'))
136 		flags |= SPAWN_FULLSIZE;
137 
138 	lc = layout_split_pane(dst_wp, type, size, flags);
139 	if (lc == NULL) {
140 		cmdq_error(item, "create pane failed: pane too small");
141 		return (CMD_RETURN_ERROR);
142 	}
143 
144 	layout_close_pane(src_wp);
145 
146 	server_client_remove_pane(src_wp);
147 	window_lost_pane(src_w, src_wp);
148 	TAILQ_REMOVE(&src_w->panes, src_wp, entry);
149 
150 	src_wp->window = dst_w;
151 	options_set_parent(src_wp->options, dst_w->options);
152 	src_wp->flags |= PANE_STYLECHANGED;
153 	if (flags & SPAWN_BEFORE)
154 		TAILQ_INSERT_BEFORE(dst_wp, src_wp, entry);
155 	else
156 		TAILQ_INSERT_AFTER(&dst_w->panes, dst_wp, src_wp, entry);
157 	layout_assign_pane(lc, src_wp, 0);
158 	colour_palette_from_option(&src_wp->palette, src_wp->options);
159 
160 	recalculate_sizes();
161 
162 	server_redraw_window(src_w);
163 	server_redraw_window(dst_w);
164 
165 	if (!args_has(args, 'd')) {
166 		window_set_active_pane(dst_w, src_wp, 1);
167 		session_select(dst_s, dst_idx);
168 		cmd_find_from_session(current, dst_s, 0);
169 		server_redraw_session(dst_s);
170 	} else
171 		server_status_session(dst_s);
172 
173 	if (window_count_panes(src_w) == 0)
174 		server_kill_window(src_w, 1);
175 	else
176 		notify_window("window-layout-changed", src_w);
177 	notify_window("window-layout-changed", dst_w);
178 
179 	return (CMD_RETURN_NORMAL);
180 }
181