1 /* $OpenBSD: cmd-join-pane.c,v 1.51 2023/01/17 06:50:55 nicm Exp $ */
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 <paths.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <unistd.h>
26
27 #include "tmux.h"
28
29 /*
30 * Join or move a pane into another (like split/swap/kill).
31 */
32
33 static enum cmd_retval cmd_join_pane_exec(struct cmd *, struct cmdq_item *);
34
35 const struct cmd_entry cmd_join_pane_entry = {
36 .name = "join-pane",
37 .alias = "joinp",
38
39 .args = { "bdfhvp:l:s:t:", 0, 0, NULL },
40 .usage = "[-bdfhv] [-l size] " CMD_SRCDST_PANE_USAGE,
41
42 .source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
43 .target = { 't', CMD_FIND_PANE, 0 },
44
45 .flags = 0,
46 .exec = cmd_join_pane_exec
47 };
48
49 const struct cmd_entry cmd_move_pane_entry = {
50 .name = "move-pane",
51 .alias = "movep",
52
53 .args = { "bdfhvp:l:s:t:", 0, 0, NULL },
54 .usage = "[-bdfhv] [-l size] " CMD_SRCDST_PANE_USAGE,
55
56 .source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
57 .target = { 't', CMD_FIND_PANE, 0 },
58
59 .flags = 0,
60 .exec = cmd_join_pane_exec
61 };
62
63 static enum cmd_retval
cmd_join_pane_exec(struct cmd * self,struct cmdq_item * item)64 cmd_join_pane_exec(struct cmd *self, struct cmdq_item *item)
65 {
66 struct args *args = cmd_get_args(self);
67 struct cmd_find_state *current = cmdq_get_current(item);
68 struct cmd_find_state *target = cmdq_get_target(item);
69 struct cmd_find_state *source = cmdq_get_source(item);
70 struct session *dst_s;
71 struct winlink *src_wl, *dst_wl;
72 struct window *src_w, *dst_w;
73 struct window_pane *src_wp, *dst_wp;
74 char *cause = NULL;
75 int size, dst_idx;
76 int flags;
77 enum layout_type type;
78 struct layout_cell *lc;
79 u_int curval = 0;
80
81 dst_s = target->s;
82 dst_wl = target->wl;
83 dst_wp = target->wp;
84 dst_w = dst_wl->window;
85 dst_idx = dst_wl->idx;
86 server_unzoom_window(dst_w);
87
88 src_wl = source->wl;
89 src_wp = source->wp;
90 src_w = src_wl->window;
91 server_unzoom_window(src_w);
92
93 if (src_wp == dst_wp) {
94 cmdq_error(item, "source and target panes must be different");
95 return (CMD_RETURN_ERROR);
96 }
97
98 type = LAYOUT_TOPBOTTOM;
99 if (args_has(args, 'h'))
100 type = LAYOUT_LEFTRIGHT;
101
102 /* If the 'p' flag is dropped then this bit can be moved into 'l'. */
103 if (args_has(args, 'l') || args_has(args, 'p')) {
104 if (args_has(args, 'f')) {
105 if (type == LAYOUT_TOPBOTTOM)
106 curval = dst_w->sy;
107 else
108 curval = dst_w->sx;
109 } else {
110 if (type == LAYOUT_TOPBOTTOM)
111 curval = dst_wp->sy;
112 else
113 curval = dst_wp->sx;
114 }
115 }
116
117 size = -1;
118 if (args_has(args, 'l')) {
119 size = args_percentage_and_expand(args, 'l', 0, INT_MAX, curval,
120 item, &cause);
121 } else if (args_has(args, 'p')) {
122 size = args_strtonum_and_expand(args, 'l', 0, 100, item,
123 &cause);
124 if (cause == NULL)
125 size = curval * size / 100;
126 }
127 if (cause != NULL) {
128 cmdq_error(item, "size %s", cause);
129 free(cause);
130 return (CMD_RETURN_ERROR);
131 }
132
133 flags = 0;
134 if (args_has(args, 'b'))
135 flags |= SPAWN_BEFORE;
136 if (args_has(args, 'f'))
137 flags |= SPAWN_FULLSIZE;
138
139 lc = layout_split_pane(dst_wp, type, size, flags);
140 if (lc == NULL) {
141 cmdq_error(item, "create pane failed: pane too small");
142 return (CMD_RETURN_ERROR);
143 }
144
145 layout_close_pane(src_wp);
146
147 server_client_remove_pane(src_wp);
148 window_lost_pane(src_w, src_wp);
149 TAILQ_REMOVE(&src_w->panes, src_wp, entry);
150
151 src_wp->window = dst_w;
152 options_set_parent(src_wp->options, dst_w->options);
153 src_wp->flags |= PANE_STYLECHANGED;
154 if (flags & SPAWN_BEFORE)
155 TAILQ_INSERT_BEFORE(dst_wp, src_wp, entry);
156 else
157 TAILQ_INSERT_AFTER(&dst_w->panes, dst_wp, src_wp, entry);
158 layout_assign_pane(lc, src_wp, 0);
159 colour_palette_from_option(&src_wp->palette, src_wp->options);
160
161 recalculate_sizes();
162
163 server_redraw_window(src_w);
164 server_redraw_window(dst_w);
165
166 if (!args_has(args, 'd')) {
167 window_set_active_pane(dst_w, src_wp, 1);
168 session_select(dst_s, dst_idx);
169 cmd_find_from_session(current, dst_s, 0);
170 server_redraw_session(dst_s);
171 } else
172 server_status_session(dst_s);
173
174 if (window_count_panes(src_w) == 0)
175 server_kill_window(src_w, 1);
176 else
177 notify_window("window-layout-changed", src_w);
178 notify_window("window-layout-changed", dst_w);
179
180 return (CMD_RETURN_NORMAL);
181 }
182