tmux/cmd-split-window.c

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/* $OpenBSD$ */
/*
* 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:dfF:l:hp:Pt:v", 0, -1 },
.usage = "[-bdfhvP] [-c start-directory] [-F format] "
"[-p percentage|-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 = self->args;
struct cmd_find_state *current = &item->shared->current;
struct spawn_context sc;
struct client *c = cmd_find_client(item, NULL, 1);
struct session *s = item->target.s;
struct winlink *wl = item->target.wl;
struct window_pane *wp = item->target.wp, *new_wp;
enum layout_type type;
struct layout_cell *lc;
struct cmd_find_state fs;
int size, percentage, flags;
const char *template;
char *cause, *cp;
if (args_has(args, 'h'))
type = LAYOUT_LEFTRIGHT;
else
type = LAYOUT_TOPBOTTOM;
if (args_has(args, 'l')) {
size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
if (cause != NULL) {
cmdq_error(item, "create pane failed: -l %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);
flags = 0;
if (args_has(args, 'b'))
flags |= SPAWN_BEFORE;
if (args_has(args, 'f'))
flags |= SPAWN_FULLSIZE;
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.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 (!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, c, s, wl, new_wp);
cmdq_print(item, "%s", cp);
free(cp);
}
cmd_find_from_winlink_pane(&fs, wl, new_wp, 0);
hooks_insert(s->hooks, item, &fs, "after-split-window");
return (CMD_RETURN_NORMAL);
}