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/* $Id: cmd-split-window.c,v 1.34 2010-01-08 16:31:35 tcunha Exp $ */
/*
* 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 <stdlib.h>
#include <unistd.h>
#include "tmux.h"
/*
* Split a window (add a new pane).
*/
int cmd_split_window_parse(struct cmd *, int, char **, char **);
int cmd_split_window_exec(struct cmd *, struct cmd_ctx *);
void cmd_split_window_free(struct cmd *);
void cmd_split_window_init(struct cmd *, int);
size_t cmd_split_window_print(struct cmd *, char *, size_t);
struct cmd_split_window_data {
char *target;
char *cmd;
int flag_detached;
int flag_horizontal;
int percentage;
int size;
};
const struct cmd_entry cmd_split_window_entry = {
"split-window", "splitw",
"[-dhv] [-p percentage|-l size] [-t target-pane] [command]",
0, "",
cmd_split_window_init,
cmd_split_window_parse,
cmd_split_window_exec,
cmd_split_window_free,
cmd_split_window_print
};
void
cmd_split_window_init(struct cmd *self, int key)
{
struct cmd_split_window_data *data;
self->data = data = xmalloc(sizeof *data);
data->target = NULL;
data->cmd = NULL;
data->flag_detached = 0;
data->flag_horizontal = 0;
data->percentage = -1;
data->size = -1;
switch (key) {
case '%':
data->flag_horizontal = 1;
break;
case '"':
data->flag_horizontal = 0;
break;
}
}
int
cmd_split_window_parse(struct cmd *self, int argc, char **argv, char **cause)
{
struct cmd_split_window_data *data;
int opt;
const char *errstr;
self->entry->init(self, KEYC_NONE);
data = self->data;
while ((opt = getopt(argc, argv, "dhl:p:t:v")) != -1) {
switch (opt) {
case 'd':
data->flag_detached = 1;
break;
case 'h':
data->flag_horizontal = 1;
break;
case 't':
if (data->target == NULL)
data->target = xstrdup(optarg);
break;
case 'l':
if (data->percentage != -1 || data->size != -1)
break;
data->size = strtonum(optarg, 1, INT_MAX, &errstr);
if (errstr != NULL) {
xasprintf(cause, "size %s", errstr);
goto error;
}
break;
case 'p':
if (data->size != -1 || data->percentage != -1)
break;
data->percentage = strtonum(optarg, 1, 100, &errstr);
if (errstr != NULL) {
xasprintf(cause, "percentage %s", errstr);
goto error;
}
break;
case 'v':
data->flag_horizontal = 0;
break;
default:
goto usage;
}
}
argc -= optind;
argv += optind;
if (argc != 0 && argc != 1)
goto usage;
if (argc == 1)
data->cmd = xstrdup(argv[0]);
return (0);
usage:
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
error:
self->entry->free(self);
return (-1);
}
int
cmd_split_window_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_split_window_data *data = self->data;
struct session *s;
struct winlink *wl;
struct window *w;
struct window_pane *wp, *new_wp = NULL;
struct environ env;
char *cmd, *cwd, *cause;
const char *shell;
u_int hlimit;
int size;
enum layout_type type;
struct layout_cell *lc;
if ((wl = cmd_find_pane(ctx, data->target, &s, &wp)) == NULL)
return (-1);
w = wl->window;
environ_init(&env);
environ_copy(&global_environ, &env);
environ_copy(&s->environ, &env);
server_fill_environ(s, &env);
cmd = data->cmd;
if (cmd == NULL)
cmd = options_get_string(&s->options, "default-command");
if (ctx->cmdclient == NULL || ctx->cmdclient->cwd == NULL)
cwd = options_get_string(&s->options, "default-path");
else
cwd = ctx->cmdclient->cwd;
type = LAYOUT_TOPBOTTOM;
if (data->flag_horizontal)
type = LAYOUT_LEFTRIGHT;
size = -1;
if (data->size != -1)
size = data->size;
else if (data->percentage != -1) {
if (type == LAYOUT_TOPBOTTOM)
size = (wp->sy * data->percentage) / 100;
else
size = (wp->sx * data->percentage) / 100;
}
hlimit = options_get_number(&s->options, "history-limit");
shell = options_get_string(&s->options, "default-shell");
if (*shell == '\0' || areshell(shell))
shell = _PATH_BSHELL;
if ((lc = layout_split_pane(wp, type, size)) == NULL) {
cause = xstrdup("pane too small");
goto error;
}
new_wp = window_add_pane(w, hlimit);
if (window_pane_spawn(
new_wp, cmd, shell, cwd, &env, s->tio, &cause) != 0)
goto error;
layout_assign_pane(lc, new_wp);
server_redraw_window(w);
if (!data->flag_detached) {
window_set_active_pane(w, new_wp);
session_select(s, wl->idx);
server_redraw_session(s);
} else
server_status_session(s);
environ_free(&env);
return (0);
error:
environ_free(&env);
if (new_wp != NULL)
window_remove_pane(w, new_wp);
ctx->error(ctx, "create pane failed: %s", cause);
xfree(cause);
return (-1);
}
void
cmd_split_window_free(struct cmd *self)
{
struct cmd_split_window_data *data = self->data;
if (data->target != NULL)
xfree(data->target);
if (data->cmd != NULL)
xfree(data->cmd);
xfree(data);
}
size_t
cmd_split_window_print(struct cmd *self, char *buf, size_t len)
{
struct cmd_split_window_data *data = self->data;
size_t off = 0;
off += xsnprintf(buf, len, "%s", self->entry->name);
if (data == NULL)
return (off);
if (off < len && data->flag_detached)
off += xsnprintf(buf + off, len - off, " -d");
if (off < len && data->flag_horizontal)
off += xsnprintf(buf + off, len - off, " -h");
if (off < len && data->size > 0)
off += xsnprintf(buf + off, len - off, " -l %d", data->size);
if (off < len && data->percentage > 0) {
off += xsnprintf(
buf + off, len - off, " -p %d", data->percentage);
}
if (off < len && data->target != NULL)
off += cmd_prarg(buf + off, len - off, " -t ", data->target);
if (off < len && data->cmd != NULL)
off += cmd_prarg(buf + off, len - off, " ", data->cmd);
return (off);
}