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/* $OpenBSD: cmd-split-window.c,v 1.103 2020/04/13 20:51:57 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 <errno.h>
#include <fcntl.h>
#include <paths.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "tmux.h"
/*
* Split a window (add a new pane).
*/
#define SPLIT_WINDOW_TEMPLATE "#{session_name}:#{window_index}.#{pane_index}"
static enum cmd_retval cmd_split_window_exec(struct cmd *,
struct cmdq_item *);
const struct cmd_entry cmd_split_window_entry = {
.name = "split-window",
.alias = "splitw",
.args = { "bc:de:fF:hIl:p:Pt:v", 0, -1 },
.usage = "[-bdefhIPv] [-c start-directory] [-e environment] "
"[-F format] [-l size] " CMD_TARGET_PANE_USAGE " [command]",
.target = { 't', CMD_FIND_PANE, 0 },
.flags = 0,
.exec = cmd_split_window_exec
};
static enum cmd_retval
cmd_split_window_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = cmd_get_args(self);
struct cmd_find_state *current = cmdq_get_current(item);
struct cmd_find_state *target = cmdq_get_target(item);
struct spawn_context sc;
struct client *tc = cmdq_get_target_client(item);
struct session *s = target->s;
struct winlink *wl = target->wl;
struct window_pane *wp = target->wp, *new_wp;
enum layout_type type;
struct layout_cell *lc;
struct cmd_find_state fs;
int size, percentage, flags, input;
const char *template, *add, *errstr, *p;
char *cause, *cp, *copy;
size_t plen;
struct args_value *value;
if (args_has(args, 'h'))
type = LAYOUT_LEFTRIGHT;
else
type = LAYOUT_TOPBOTTOM;
if ((p = args_get(args, 'l')) != NULL) {
plen = strlen(p);
if (p[plen - 1] == '%') {
copy = xstrdup(p);
copy[plen - 1] = '\0';
percentage = strtonum(copy, 0, INT_MAX, &errstr);
free(copy);
if (errstr != NULL) {
cmdq_error(item, "percentage %s", errstr);
return (CMD_RETURN_ERROR);
}
if (type == LAYOUT_TOPBOTTOM)
size = (wp->sy * percentage) / 100;
else
size = (wp->sx * percentage) / 100;
} else {
size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
if (cause != NULL) {
cmdq_error(item, "lines %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
}
} else if (args_has(args, 'p')) {
percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
if (cause != NULL) {
cmdq_error(item, "create pane failed: -p %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
if (type == LAYOUT_TOPBOTTOM)
size = (wp->sy * percentage) / 100;
else
size = (wp->sx * percentage) / 100;
} else
size = -1;
server_unzoom_window(wp->window);
input = (args_has(args, 'I') && args->argc == 0);
flags = 0;
if (args_has(args, 'b'))
flags |= SPAWN_BEFORE;
if (args_has(args, 'f'))
flags |= SPAWN_FULLSIZE;
if (input || (args->argc == 1 && *args->argv[0] == '\0'))
flags |= SPAWN_EMPTY;
lc = layout_split_pane(wp, type, size, flags);
if (lc == NULL) {
cmdq_error(item, "no space for new pane");
return (CMD_RETURN_ERROR);
}
memset(&sc, 0, sizeof sc);
sc.item = item;
sc.s = s;
sc.wl = wl;
sc.wp0 = wp;
sc.lc = lc;
sc.name = NULL;
sc.argc = args->argc;
sc.argv = args->argv;
sc.environ = environ_create();
add = args_first_value(args, 'e', &value);
while (add != NULL) {
environ_put(sc.environ, add, 0);
add = args_next_value(&value);
}
sc.idx = -1;
sc.cwd = args_get(args, 'c');
sc.flags = flags;
if (args_has(args, 'd'))
sc.flags |= SPAWN_DETACHED;
if ((new_wp = spawn_pane(&sc, &cause)) == NULL) {
cmdq_error(item, "create pane failed: %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
if (input && window_pane_start_input(new_wp, item, &cause) != 0) {
layout_close_pane(new_wp);
window_remove_pane(wp->window, new_wp);
cmdq_error(item, "%s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
if (!args_has(args, 'd'))
cmd_find_from_winlink_pane(current, wl, new_wp, 0);
server_redraw_window(wp->window);
server_status_session(s);
if (args_has(args, 'P')) {
if ((template = args_get(args, 'F')) == NULL)
template = SPLIT_WINDOW_TEMPLATE;
cp = format_single(item, template, tc, s, wl, new_wp);
cmdq_print(item, "%s", cp);
free(cp);
}
cmd_find_from_winlink_pane(&fs, wl, new_wp, 0);
cmdq_insert_hook(s, item, &fs, "after-split-window");
environ_free(sc.environ);
if (input)
return (CMD_RETURN_WAIT);
return (CMD_RETURN_NORMAL);
}
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