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/* $Id: cmd-join-pane.c,v 1.5 2010/08/11 22:17:32 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"
/*
* Join a pane into another (like split/swap/kill).
*/
int cmd_join_pane_parse(struct cmd *, int, char **, char **);
int cmd_join_pane_exec(struct cmd *, struct cmd_ctx *);
void cmd_join_pane_free(struct cmd *);
void cmd_join_pane_init(struct cmd *, int);
size_t cmd_join_pane_print(struct cmd *, char *, size_t);
struct cmd_join_pane_data {
char *src;
char *dst;
int flag_detached;
int flag_horizontal;
int percentage;
int size;
};
const struct cmd_entry cmd_join_pane_entry = {
"join-pane", "joinp",
"[-dhv] [-p percentage|-l size] [-s src-pane] [-t dst-pane]",
0, "",
cmd_join_pane_init,
cmd_join_pane_parse,
cmd_join_pane_exec,
cmd_join_pane_free,
cmd_join_pane_print
};
void
cmd_join_pane_init(struct cmd *self, int key)
{
struct cmd_join_pane_data *data;
self->data = data = xmalloc(sizeof *data);
data->src = NULL;
data->dst = 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_join_pane_parse(struct cmd *self, int argc, char **argv, char **cause)
{
struct cmd_join_pane_data *data;
int opt;
const char *errstr;
self->entry->init(self, KEYC_NONE);
data = self->data;
while ((opt = getopt(argc, argv, "dhl:p:s:t:v")) != -1) {
switch (opt) {
case 'd':
data->flag_detached = 1;
break;
case 'h':
data->flag_horizontal = 1;
break;
case 's':
if (data->src == NULL)
data->src = xstrdup(optarg);
break;
case 't':
if (data->dst == NULL)
data->dst = 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)
goto usage;
return (0);
usage:
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
error:
self->entry->free(self);
return (-1);
}
int
cmd_join_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_join_pane_data *data = self->data;
struct session *dst_s;
struct winlink *src_wl, *dst_wl;
struct window *src_w, *dst_w;
struct window_pane *src_wp, *dst_wp;
int size, dst_idx;
enum layout_type type;
struct layout_cell *lc;
if ((dst_wl = cmd_find_pane(ctx, data->dst, &dst_s, &dst_wp)) == NULL)
return (-1);
dst_w = dst_wl->window;
dst_idx = dst_wl->idx;
if ((src_wl = cmd_find_pane(ctx, data->src, NULL, &src_wp)) == NULL)
return (-1);
src_w = src_wl->window;
if (src_w == dst_w) {
ctx->error(ctx, "can't join a pane to its own window");
return (-1);
}
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 = (dst_wp->sy * data->percentage) / 100;
else
size = (dst_wp->sx * data->percentage) / 100;
}
if ((lc = layout_split_pane(dst_wp, type, size)) == NULL) {
ctx->error(ctx, "create pane failed: pane too small");
return (-1);
}
layout_close_pane(src_wp);
if (src_w->active == src_wp) {
src_w->active = TAILQ_PREV(src_wp, window_panes, entry);
if (src_w->active == NULL)
src_w->active = TAILQ_NEXT(src_wp, entry);
}
TAILQ_REMOVE(&src_w->panes, src_wp, entry);
if (window_count_panes(src_w) == 0)
server_kill_window(src_w);
src_wp->window = dst_w;
TAILQ_INSERT_AFTER(&dst_w->panes, dst_wp, src_wp, entry);
layout_assign_pane(lc, src_wp);
recalculate_sizes();
server_redraw_window(src_w);
server_redraw_window(dst_w);
if (!data->flag_detached) {
window_set_active_pane(dst_w, src_wp);
session_select(dst_s, dst_idx);
server_redraw_session(dst_s);
} else
server_status_session(dst_s);
return (0);
}
void
cmd_join_pane_free(struct cmd *self)
{
struct cmd_join_pane_data *data = self->data;
if (data->src != NULL)
xfree(data->src);
if (data->dst != NULL)
xfree(data->dst);
xfree(data);
}
size_t
cmd_join_pane_print(struct cmd *self, char *buf, size_t len)
{
struct cmd_join_pane_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->src != NULL)
off += cmd_prarg(buf + off, len - off, " -s ", data->src);
if (off < len && data->dst != NULL)
off += cmd_prarg(buf + off, len - off, " -t ", data->dst);
return (off);
}