tmux/cmd-join-pane.c

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/* $OpenBSD$ */
/*
* Copyright (c) 2011 George Nachman <tmux@georgester.com>
* 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 <paths.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "tmux.h"
/*
* Join or move a pane into another (like split/swap/kill).
*/
static enum cmd_retval cmd_join_pane_exec(struct cmd *, struct cmdq_item *);
const struct cmd_entry cmd_join_pane_entry = {
.name = "join-pane",
.alias = "joinp",
.args = { "bdfhvp:l:s:t:", 0, 0 },
.usage = "[-bdfhv] [-l size] " CMD_SRCDST_PANE_USAGE,
.source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
.target = { 't', CMD_FIND_PANE, 0 },
.flags = 0,
.exec = cmd_join_pane_exec
};
const struct cmd_entry cmd_move_pane_entry = {
.name = "move-pane",
.alias = "movep",
.args = { "bdhvp:l:s:t:", 0, 0 },
.usage = "[-bdhv] [-p percentage|-l size] " CMD_SRCDST_PANE_USAGE,
.source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
.target = { 't', CMD_FIND_PANE, 0 },
.flags = 0,
.exec = cmd_join_pane_exec
};
static enum cmd_retval
cmd_join_pane_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
struct cmd_find_state *current = &item->shared->current;
struct session *dst_s;
struct winlink *src_wl, *dst_wl;
struct window *src_w, *dst_w;
struct window_pane *src_wp, *dst_wp;
char *cause, *copy;
const char *errstr, *p;
size_t plen;
int size, percentage, dst_idx, not_same_window;
int flags;
enum layout_type type;
struct layout_cell *lc;
if (self->entry == &cmd_join_pane_entry)
not_same_window = 1;
else
not_same_window = 0;
dst_s = item->target.s;
dst_wl = item->target.wl;
dst_wp = item->target.wp;
dst_w = dst_wl->window;
dst_idx = dst_wl->idx;
server_unzoom_window(dst_w);
src_wl = item->source.wl;
src_wp = item->source.wp;
src_w = src_wl->window;
server_unzoom_window(src_w);
if (not_same_window && src_w == dst_w) {
cmdq_error(item, "can't join a pane to its own window");
return (CMD_RETURN_ERROR);
}
if (!not_same_window && src_wp == dst_wp) {
cmdq_error(item, "source and target panes must be different");
return (CMD_RETURN_ERROR);
}
type = LAYOUT_TOPBOTTOM;
if (args_has(args, 'h'))
type = LAYOUT_LEFTRIGHT;
size = -1;
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 = (dst_wp->sy * percentage) / 100;
else
size = (dst_wp->sx * percentage) / 100;
} else {
size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
if (cause != NULL) {
cmdq_error(item, "size %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
}
} else if (args_has(args, 'p')) {
percentage = args_strtonum(args, 'p', 0, 100, &cause);
if (cause != NULL) {
cmdq_error(item, "percentage %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
if (type == LAYOUT_TOPBOTTOM)
size = (dst_wp->sy * percentage) / 100;
else
size = (dst_wp->sx * percentage) / 100;
}
flags = 0;
if (args_has(args, 'b'))
flags |= SPAWN_BEFORE;
if (args_has(args, 'f'))
flags |= SPAWN_FULLSIZE;
lc = layout_split_pane(dst_wp, type, size, flags);
if (lc == NULL) {
cmdq_error(item, "create pane failed: pane too small");
return (CMD_RETURN_ERROR);
}
layout_close_pane(src_wp);
window_lost_pane(src_w, src_wp);
TAILQ_REMOVE(&src_w->panes, src_wp, entry);
src_wp->window = dst_w;
options_set_parent(src_wp->options, dst_w->options);
src_wp->flags |= PANE_STYLECHANGED;
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 (!args_has(args, 'd')) {
window_set_active_pane(dst_w, src_wp, 1);
session_select(dst_s, dst_idx);
cmd_find_from_session(current, dst_s, 0);
server_redraw_session(dst_s);
} else
server_status_session(dst_s);
if (window_count_panes(src_w) == 0)
server_kill_window(src_w);
else
notify_window("window-layout-changed", src_w);
notify_window("window-layout-changed", dst_w);
return (CMD_RETURN_NORMAL);
}