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Annotation of src/usr.bin/tmux/cmd-swap-window.c, Revision 1.5

1.5     ! nicm        1: /* $OpenBSD: cmd-swap-window.c,v 1.4 2009/10/10 10:02:48 nicm Exp $ */
1.1       nicm        2:
                      3: /*
                      4:  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
                     15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
                     16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #include <sys/types.h>
                     20:
                     21: #include <stdlib.h>
                     22:
                     23: #include "tmux.h"
                     24:
                     25: /*
                     26:  * Swap one window with another.
                     27:  */
                     28:
                     29: int    cmd_swap_window_exec(struct cmd *, struct cmd_ctx *);
                     30:
                     31: const struct cmd_entry cmd_swap_window_entry = {
                     32:        "swap-window", "swapw",
                     33:        "[-d] " CMD_SRCDST_WINDOW_USAGE,
1.5     ! nicm       34:        0, "d",
1.1       nicm       35:        cmd_srcdst_init,
                     36:        cmd_srcdst_parse,
                     37:        cmd_swap_window_exec,
                     38:        cmd_srcdst_free,
                     39:        cmd_srcdst_print
                     40: };
                     41:
                     42: int
                     43: cmd_swap_window_exec(struct cmd *self, struct cmd_ctx *ctx)
                     44: {
                     45:        struct cmd_srcdst_data  *data = self->data;
                     46:        struct session          *src, *dst;
1.4       nicm       47:        struct session_group    *sg_src, *sg_dst;
1.1       nicm       48:        struct winlink          *wl_src, *wl_dst;
                     49:        struct window           *w;
                     50:
                     51:        if ((wl_src = cmd_find_window(ctx, data->src, &src)) == NULL)
                     52:                return (-1);
                     53:        if ((wl_dst = cmd_find_window(ctx, data->dst, &dst)) == NULL)
                     54:                return (-1);
                     55:
1.4       nicm       56:        sg_src = session_group_find(src);
                     57:        sg_dst = session_group_find(dst);
                     58:        if (src != dst &&
                     59:            sg_src != NULL && sg_dst != NULL && sg_src == sg_dst) {
                     60:                ctx->error(ctx, "can't move window, sessions are grouped");
                     61:                return (-1);
                     62:        }
                     63:
1.1       nicm       64:        if (wl_dst->window == wl_src->window)
                     65:                return (0);
                     66:
                     67:        w = wl_dst->window;
                     68:        wl_dst->window = wl_src->window;
                     69:        wl_src->window = w;
                     70:
1.5     ! nicm       71:        if (!cmd_check_flag(data->chflags, 'd')) {
1.1       nicm       72:                session_select(dst, wl_dst->idx);
                     73:                if (src != dst)
                     74:                        session_select(src, wl_src->idx);
                     75:        }
1.4       nicm       76:        session_group_synchronize_from(src);
                     77:        server_redraw_session_group(src);
                     78:        if (src != dst) {
                     79:                session_group_synchronize_from(dst);
                     80:                server_redraw_session_group(dst);
                     81:        }
1.1       nicm       82:        recalculate_sizes();
                     83:
                     84:        return (0);
                     85: }