/src/tmux/cmd-select-layout.c

Source
/* $OpenBSD: cmd-select-layout.c,v 1.46 2026/10/09 13:12:14 nicm Exp $ */

/*
 * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>

#include <stdlib.h>

#include "tmux.h"

/*
 * Switch window to selected layout.
 */

static enum cmd_retval  cmd_select_layout_exec(struct cmd *,
          struct cmdq_item *);

const struct cmd_entry cmd_select_layout_entry = {
  .name = "select-layout",
  .description = "Choose or apply a layout.",
  .alias = "selectl",

  .args = { "Enopt:", 0, 1, NULL },
  .usage = "[-Enop] " CMD_TARGET_PANE_USAGE " [layout-name]",

  .target = { 't', CMD_FIND_PANE, 0 },

  .flags = CMD_AFTERHOOK,
  .exec = cmd_select_layout_exec
};

const struct cmd_entry cmd_next_layout_entry = {
  .name = "next-layout",
  .description = "Select the next layout.",
  .alias = "nextl",

  .args = { "t:", 0, 0, NULL },
  .usage = CMD_TARGET_WINDOW_USAGE,

  .target = { 't', CMD_FIND_WINDOW, 0 },

  .flags = CMD_AFTERHOOK,
  .exec = cmd_select_layout_exec
};

const struct cmd_entry cmd_previous_layout_entry = {
  .name = "previous-layout",
  .description = "Select the previous layout.",
  .alias = "prevl",

  .args = { "t:", 0, 0, NULL },
  .usage = CMD_TARGET_WINDOW_USAGE,

  .target = { 't', CMD_FIND_WINDOW, 0 },

  .flags = CMD_AFTERHOOK,
  .exec = cmd_select_layout_exec
};

static enum cmd_retval
cmd_select_layout_exec(struct cmd *self, struct cmdq_item *item)
{
  struct args   *args = cmd_get_args(self);
  struct cmd_find_state *target = cmdq_get_target(item);
  struct client   *c = cmdq_get_target_client(item);
  struct winlink    *wl = target->wl;
  struct window   *w = wl->window;
  struct window_pane  *wp = target->wp;
  const char    *layoutname;
  char      *oldlayout, *cause = NULL;
  int      next, previous, layout, flags = 0;

  server_unzoom_window(w);

  next = (cmd_get_entry(self) == &cmd_next_layout_entry);
  if (args_has(args, 'n'))
    next = 1;
  previous = (cmd_get_entry(self) == &cmd_previous_layout_entry);
  if (args_has(args, 'p'))
    previous = 1;

  if (c != NULL &&
      (c->flags & CLIENT_CONTROL) &&
      (~c->flags & CLIENT_CONTROL_NEWLAYOUTS))
    flags |= LAYOUT_CUSTOM_OLD_FORMAT;
  oldlayout = w->old_layout;
  w->old_layout = layout_dump(w, w->layout_root, flags);

  if (next || previous) {
    if (next)
      layout_set_next(w);
    else
      layout_set_previous(w);
    goto changed;
  }

  if (args_has(args, 'E')) {
    layout_spread_out(wp);
    goto changed;
  }

  if (args_count(args) != 0)
    layoutname = args_string(args, 0);
  else if (args_has(args, 'o'))
    layoutname = oldlayout;
  else
    layoutname = NULL;

  if (!args_has(args, 'o')) {
    if (layoutname == NULL)
      layout = w->lastlayout;
    else
      layout = layout_set_lookup(layoutname);
    if (layout != -1) {
      layout_set_select(w, layout);
      goto changed;
    }
  }

  if (layoutname != NULL) {
    if (layout_parse(w, layoutname, &cause) == -1) {
      cmdq_error(item, "%s: %s", cause, layoutname);
      free(cause);
      goto error;
    }
    goto changed;
  }

  free(oldlayout);
  return (CMD_RETURN_NORMAL);

changed:
  free(oldlayout);
  recalculate_sizes();
  server_redraw_window(w);
  events_fire_window("window-layout-changed", w);
  return (CMD_RETURN_NORMAL);

error:
  free(w->old_layout);
  w->old_layout = oldlayout;
  return (CMD_RETURN_ERROR);
}

Line	Count	Source
1		/* $OpenBSD: cmd-select-layout.c,v 1.46 2026/10/09 13:12:14 nicm Exp $ */
2
3		/*
4		* Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
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		* Switch window to selected layout.
27		*/
28
29		static enum cmd_retval cmd_select_layout_exec(struct cmd *,
30		struct cmdq_item *);
31
32		const struct cmd_entry cmd_select_layout_entry = {
33		.name = "select-layout",
34		.description = "Choose or apply a layout.",
35		.alias = "selectl",
36
37		.args = { "Enopt:", 0, 1, NULL },
38		.usage = "[-Enop] " CMD_TARGET_PANE_USAGE " [layout-name]",
39
40		.target = { 't', CMD_FIND_PANE, 0 },
41
42		.flags = CMD_AFTERHOOK,
43		.exec = cmd_select_layout_exec
44		};
45
46		const struct cmd_entry cmd_next_layout_entry = {
47		.name = "next-layout",
48		.description = "Select the next layout.",
49		.alias = "nextl",
50
51		.args = { "t:", 0, 0, NULL },
52		.usage = CMD_TARGET_WINDOW_USAGE,
53
54		.target = { 't', CMD_FIND_WINDOW, 0 },
55
56		.flags = CMD_AFTERHOOK,
57		.exec = cmd_select_layout_exec
58		};
59
60		const struct cmd_entry cmd_previous_layout_entry = {
61		.name = "previous-layout",
62		.description = "Select the previous layout.",
63		.alias = "prevl",
64
65		.args = { "t:", 0, 0, NULL },
66		.usage = CMD_TARGET_WINDOW_USAGE,
67
68		.target = { 't', CMD_FIND_WINDOW, 0 },
69
70		.flags = CMD_AFTERHOOK,
71		.exec = cmd_select_layout_exec
72		};
73
74		static enum cmd_retval
75		cmd_select_layout_exec(struct cmd self, struct cmdq_item item)
76	0	{
77	0	struct args *args = cmd_get_args(self);
78	0	struct cmd_find_state *target = cmdq_get_target(item);
79	0	struct client *c = cmdq_get_target_client(item);
80	0	struct winlink *wl = target->wl;
81	0	struct window *w = wl->window;
82	0	struct window_pane *wp = target->wp;
83	0	const char *layoutname;
84	0	char oldlayout, cause = NULL;
85	0	int next, previous, layout, flags = 0;
86
87	0	server_unzoom_window(w);
88
89	0	next = (cmd_get_entry(self) == &cmd_next_layout_entry);
90	0	if (args_has(args, 'n'))
91	0	next = 1;
92	0	previous = (cmd_get_entry(self) == &cmd_previous_layout_entry);
93	0	if (args_has(args, 'p'))
94	0	previous = 1;
95
96	0	if (c != NULL &&
97	0	(c->flags & CLIENT_CONTROL) &&
98	0	(~c->flags & CLIENT_CONTROL_NEWLAYOUTS))
99	0	flags \|= LAYOUT_CUSTOM_OLD_FORMAT;
100	0	oldlayout = w->old_layout;
101	0	w->old_layout = layout_dump(w, w->layout_root, flags);
102
103	0	if (next \|\| previous) {
104	0	if (next)
105	0	layout_set_next(w);
106	0	else
107	0	layout_set_previous(w);
108	0	goto changed;
109	0	}
110
111	0	if (args_has(args, 'E')) {
112	0	layout_spread_out(wp);
113	0	goto changed;
114	0	}
115
116	0	if (args_count(args) != 0)
117	0	layoutname = args_string(args, 0);
118	0	else if (args_has(args, 'o'))
119	0	layoutname = oldlayout;
120	0	else
121	0	layoutname = NULL;
122
123	0	if (!args_has(args, 'o')) {
124	0	if (layoutname == NULL)
125	0	layout = w->lastlayout;
126	0	else
127	0	layout = layout_set_lookup(layoutname);
128	0	if (layout != -1) {
129	0	layout_set_select(w, layout);
130	0	goto changed;
131	0	}
132	0	}
133
134	0	if (layoutname != NULL) {
135	0	if (layout_parse(w, layoutname, &cause) == -1) {
136	0	cmdq_error(item, "%s: %s", cause, layoutname);
137	0	free(cause);
138	0	goto error;
139	0	}
140	0	goto changed;
141	0	}
142
143	0	free(oldlayout);
144	0	return (CMD_RETURN_NORMAL);
145
146	0	changed:
147	0	free(oldlayout);
148	0	recalculate_sizes();
149	0	server_redraw_window(w);
150	0	events_fire_window("window-layout-changed", w);
151	0	return (CMD_RETURN_NORMAL);
152
153	0	error:
154	0	free(w->old_layout);
155	0	w->old_layout = oldlayout;
156	0	return (CMD_RETURN_ERROR);
157	0	}

Coverage Report

Created: 2026-10-28 06:08