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/* $Id: cmd-select-layout.c 2553 2011-07-09 09:42:33Z tcunha $ */

/*
* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
*
* 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 "tmux.h"

/*
* Switch window to selected layout.
*/

void cmd_select_layout_key_binding(struct cmd *, int);
int cmd_select_layout_exec(struct cmd *, struct cmd_ctx *);

const struct cmd_entry cmd_select_layout_entry = {
"select-layout", "selectl",
"npt:", 0, 1,
"[-np] " CMD_TARGET_WINDOW_USAGE " [layout-name]",
0,
cmd_select_layout_key_binding,
NULL,
cmd_select_layout_exec
};

const struct cmd_entry cmd_next_layout_entry = {
"next-layout", "nextl",
"t:", 0, 0,
CMD_TARGET_WINDOW_USAGE,
0,
NULL,
NULL,
cmd_select_layout_exec
};

const struct cmd_entry cmd_previous_layout_entry = {
"previous-layout", "prevl",
"t:", 0, 0,
CMD_TARGET_WINDOW_USAGE,
0,
NULL,
NULL,
cmd_select_layout_exec
};

void
cmd_select_layout_key_binding(struct cmd *self, int key)
{
switch (key) {
case '1' | KEYC_ESCAPE:
self->args = args_create(1, "even-horizontal");
break;
case '2' | KEYC_ESCAPE:
self->args = args_create(1, "even-vertical");
break;
case '3' | KEYC_ESCAPE:
self->args = args_create(1, "main-horizontal");
break;
case '4' | KEYC_ESCAPE:
self->args = args_create(1, "main-vertical");
break;
case '5' | KEYC_ESCAPE:
self->args = args_create(1, "tiled");
break;
default:
self->args = args_create(0);
break;
}
}

int
cmd_select_layout_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
struct winlink *wl;
const char *layoutname;
int next, previous, layout;

if ((wl = cmd_find_window(ctx, args_get(args, 't'), NULL)) == NULL)
return (-1);

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

if (next || previous) {
if (next)
layout = layout_set_next(wl->window);
else
layout = layout_set_previous(wl->window);
ctx->info(ctx, "arranging in: %s", layout_set_name(layout));
return (0);
}

if (args->argc == 0)
layout = wl->window->lastlayout;
else
layout = layout_set_lookup(args->argv[0]);
if (layout != -1) {
layout = layout_set_select(wl->window, layout);
ctx->info(ctx, "arranging in: %s", layout_set_name(layout));
return (0);
}

if (args->argc != 0) {
layoutname = args->argv[0];
if (layout_parse(wl->window, layoutname) == -1) {
ctx->error(ctx, "can't set layout: %s", layoutname);
return (-1);
}
ctx->info(ctx, "arranging in: %s", layoutname);
return (0);
}

return (0);
}
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