mirror of
https://github.com/tmux/tmux.git
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293 lines
6.8 KiB
C
293 lines
6.8 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <stdlib.h>
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#include "tmux.h"
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/*
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* Swap two panes.
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*/
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int cmd_swap_pane_parse(struct cmd *, int, char **, char **);
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int cmd_swap_pane_exec(struct cmd *, struct cmd_ctx *);
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void cmd_swap_pane_send(struct cmd *, struct buffer *);
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void cmd_swap_pane_recv(struct cmd *, struct buffer *);
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void cmd_swap_pane_free(struct cmd *);
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void cmd_swap_pane_init(struct cmd *, int);
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size_t cmd_swap_pane_print(struct cmd *, char *, size_t);
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struct cmd_swap_pane_data {
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char *target;
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int src;
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int dst;
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int flag_detached;
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int flag_up;
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int flag_down;
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};
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const struct cmd_entry cmd_swap_pane_entry = {
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"swap-pane", "swapp",
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"[-dDU] [-t target-window] [-p src-index] [-q dst-index]",
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0, 0,
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cmd_swap_pane_init,
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cmd_swap_pane_parse,
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cmd_swap_pane_exec,
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cmd_swap_pane_send,
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cmd_swap_pane_recv,
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cmd_swap_pane_free,
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cmd_swap_pane_print
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};
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void
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cmd_swap_pane_init(struct cmd *self, int key)
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{
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struct cmd_swap_pane_data *data;
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self->data = data = xmalloc(sizeof *data);
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data->target = NULL;
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data->src = -1;
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data->dst = -1;
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data->flag_detached = 0;
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data->flag_up = 0;
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data->flag_down = 0;
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switch (key) {
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case '{':
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data->flag_up = 1;
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break;
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case '}':
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data->flag_down = 1;
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break;
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}
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}
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int
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cmd_swap_pane_parse(struct cmd *self, int argc, char **argv, char **cause)
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{
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struct cmd_swap_pane_data *data;
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int opt, n;
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const char *errstr;
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self->entry->init(self, 0);
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data = self->data;
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while ((opt = getopt(argc, argv, "dDt:p:q:U")) != -1) {
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switch (opt) {
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case 'd':
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data->flag_detached = 1;
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break;
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case 'D':
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data->flag_up = 0;
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data->flag_down = 1;
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data->dst = -1;
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break;
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case 't':
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if (data->target == NULL)
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data->target = xstrdup(optarg);
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break;
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case 'p':
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if (data->src == -1) {
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n = strtonum(optarg, 0, INT_MAX, &errstr);
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if (errstr != NULL) {
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xasprintf(cause, "src %s", errstr);
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goto error;
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}
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data->src = n;
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}
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break;
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case 'q':
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if (data->dst == -1) {
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n = strtonum(optarg, 0, INT_MAX, &errstr);
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if (errstr != NULL) {
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xasprintf(cause, "dst %s", errstr);
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goto error;
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}
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data->dst = n;
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}
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data->flag_up = 0;
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data->flag_down = 0;
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break;
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case 'U':
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data->flag_up = 1;
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data->flag_down = 0;
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data->dst = -1;
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break;
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default:
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goto usage;
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}
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}
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argc -= optind;
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argv += optind;
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if (argc != 0)
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goto usage;
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return (0);
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usage:
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xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
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error:
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self->entry->free(self);
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return (-1);
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}
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int
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cmd_swap_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
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{
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struct cmd_swap_pane_data *data = self->data;
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struct winlink *wl;
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struct window *w;
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struct window_pane *tmp_wp, *src_wp, *dst_wp;
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struct layout_cell *lc;
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u_int sx, sy, xoff, yoff;
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if (data == NULL)
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return (0);
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if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
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return (-1);
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w = wl->window;
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if (data->src == -1)
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src_wp = w->active;
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else {
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src_wp = window_pane_at_index(w, data->src);
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if (src_wp == NULL) {
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ctx->error(ctx, "no pane: %d", data->src);
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return (-1);
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}
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}
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if (data->dst == -1)
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dst_wp = w->active;
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else {
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dst_wp = window_pane_at_index(w, data->dst);
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if (dst_wp == NULL) {
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ctx->error(ctx, "no pane: %d", data->dst);
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return (-1);
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}
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}
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if (data->dst == -1 && data->flag_up) {
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if ((dst_wp = TAILQ_PREV(src_wp, window_panes, entry)) == NULL)
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dst_wp = TAILQ_LAST(&w->panes, window_panes);
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}
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if (data->dst == -1 && data->flag_down) {
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if ((dst_wp = TAILQ_NEXT(src_wp, entry)) == NULL)
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dst_wp = TAILQ_FIRST(&w->panes);
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}
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if (src_wp == dst_wp)
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return (0);
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tmp_wp = TAILQ_PREV(dst_wp, window_panes, entry);
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TAILQ_REMOVE(&w->panes, dst_wp, entry);
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TAILQ_REPLACE(&w->panes, src_wp, dst_wp, entry);
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if (tmp_wp == src_wp)
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tmp_wp = dst_wp;
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if (tmp_wp == NULL)
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TAILQ_INSERT_HEAD(&w->panes, src_wp, entry);
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else
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TAILQ_INSERT_AFTER(&w->panes, tmp_wp, src_wp, entry);
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lc = src_wp->layout_cell;
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src_wp->layout_cell = dst_wp->layout_cell;
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if (src_wp->layout_cell != NULL)
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src_wp->layout_cell->wp = src_wp;
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dst_wp->layout_cell = lc;
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if (dst_wp->layout_cell != NULL)
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dst_wp->layout_cell->wp = dst_wp;
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sx = src_wp->sx; sy = src_wp->sy;
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xoff = src_wp->xoff; yoff = src_wp->yoff;
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src_wp->xoff = dst_wp->xoff; src_wp->yoff = dst_wp->yoff;
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window_pane_resize(src_wp, dst_wp->sx, dst_wp->sy);
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dst_wp->xoff = xoff; dst_wp->yoff = yoff;
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window_pane_resize(dst_wp, sx, sy);
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if (!data->flag_detached) {
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tmp_wp = dst_wp;
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if (!window_pane_visible(tmp_wp))
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tmp_wp = src_wp;
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window_set_active_pane(w, tmp_wp);
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}
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server_redraw_window(w);
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return (0);
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}
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void
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cmd_swap_pane_send(struct cmd *self, struct buffer *b)
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{
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struct cmd_swap_pane_data *data = self->data;
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buffer_write(b, data, sizeof *data);
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cmd_send_string(b, data->target);
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}
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void
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cmd_swap_pane_recv(struct cmd *self, struct buffer *b)
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{
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struct cmd_swap_pane_data *data;
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self->data = data = xmalloc(sizeof *data);
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buffer_read(b, data, sizeof *data);
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data->target = cmd_recv_string(b);
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}
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void
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cmd_swap_pane_free(struct cmd *self)
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{
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struct cmd_swap_pane_data *data = self->data;
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if (data->target != NULL)
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xfree(data->target);
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xfree(data);
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}
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size_t
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cmd_swap_pane_print(struct cmd *self, char *buf, size_t len)
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{
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struct cmd_swap_pane_data *data = self->data;
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size_t off = 0;
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off += xsnprintf(buf, len, "%s", self->entry->name);
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if (data == NULL)
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return (off);
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if (off < len &&
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(data->flag_down || data->flag_up || data->flag_detached)) {
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off += xsnprintf(buf + off, len - off, " -");
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if (off < len && data->flag_detached)
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off += xsnprintf(buf + off, len - off, "d");
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if (off < len && data->flag_up)
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off += xsnprintf(buf + off, len - off, "D");
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if (off < len && data->flag_down)
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off += xsnprintf(buf + off, len - off, "U");
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}
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if (off < len && data->target != NULL)
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off += cmd_prarg(buf + off, len - off, " -t ", data->target);
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if (off < len && data->src != -1)
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off += xsnprintf(buf + off, len - off, " -p %d", data->src);
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if (off < len && data->dst != -1)
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off += xsnprintf(buf + off, len - off, " -q %d", data->dst);
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return (off);
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}
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