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/* $Id: cmd-resize-pane.c,v 1.3 2009-05-04 17:58:26 nicm 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 "tmux.h"
/*
* Increase or decrease pane size.
*/
void cmd_resize_pane_init(struct cmd *, int);
int cmd_resize_pane_exec(struct cmd *, struct cmd_ctx *);
const struct cmd_entry cmd_resize_pane_entry = {
"resize-pane", "resizep",
CMD_PANE_WINDOW_USAGE "[-DU] [adjustment]",
CMD_ARG01|CMD_UPPERUFLAG|CMD_UPPERDFLAG,
cmd_resize_pane_init,
cmd_pane_parse,
cmd_resize_pane_exec,
cmd_pane_send,
cmd_pane_recv,
cmd_pane_free,
cmd_pane_print
};
void
cmd_resize_pane_init(struct cmd *self, int key)
{
struct cmd_pane_data *data;
cmd_pane_init(self, key);
data = self->data;
if (key == KEYC_ADDCTL(KEYC_DOWN))
data->flags |= CMD_UPPERDFLAG;
if (key == KEYC_ADDESC(KEYC_UP))
data->arg = xstrdup("5");
if (key == KEYC_ADDESC(KEYC_DOWN)) {
data->flags |= CMD_UPPERDFLAG;
data->arg = xstrdup("5");
}
}
int
cmd_resize_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_pane_data *data = self->data;
struct winlink *wl;
const char *errstr;
struct window_pane *wp, *wq;
u_int adjust;
if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
return (-1);
if (wl->window->layout != 0) {
ctx->error(ctx, "window not in manual layout");
return (-1);
}
if (data->pane == -1)
wp = wl->window->active;
else {
wp = window_pane_at_index(wl->window, data->pane);
if (wp == NULL) {
ctx->error(ctx, "no pane: %d", data->pane);
return (-1);
}
}
if (data->arg == NULL)
adjust = 1;
else {
adjust = strtonum(data->arg, 1, INT_MAX, &errstr);
if (errstr != NULL) {
ctx->error(ctx, "adjustment %s: %s", errstr, data->arg);
return (-1);
}
}
if (data->flags & CMD_UPPERDFLAG) {
/*
* If this is not the last window, keep trying to increase size
* and remove it from the next windows. If it is the last, do
* so on the previous window.
*/
if (TAILQ_NEXT(wp, entry) == NULL) {
if (wp == TAILQ_FIRST(&wl->window->panes)) {
/* Only one pane. */
return (0);
}
wp = TAILQ_PREV(wp, window_panes, entry);
}
while (adjust-- > 0) {
wq = wp;
while ((wq = TAILQ_NEXT(wq, entry)) != NULL) {
if (wq->sy <= PANE_MINIMUM)
continue;
window_pane_resize(wq, wq->sx, wq->sy - 1);
break;
}
if (wq == NULL)
break;
window_pane_resize(wp, wp->sx, wp->sy + 1);
}
} else {
/*
* If this is not the last window, keep trying to reduce size
* and add to the following window. If it is the last, do so on
* the previous window.
*/
wq = TAILQ_NEXT(wp, entry);
if (wq == NULL) {
if (wp == TAILQ_FIRST(&wl->window->panes)) {
/* Only one pane. */
return (0);
}
wq = wp;
wp = TAILQ_PREV(wq, window_panes, entry);
}
while (adjust-- > 0) {
if (wp->sy <= PANE_MINIMUM)
break;
window_pane_resize(wq, wq->sx, wq->sy + 1);
window_pane_resize(wp, wp->sx, wp->sy - 1);
}
}
window_update_panes(wl->window);
server_redraw_window(wl->window);
return (0);
}
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