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Annotation of embedaddon/tmux/cmd-swap-window.c, revision 1.1

1.1     ! misho       1: /* $OpenBSD$ */
        !             2: 
        !             3: /*
        !             4:  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
        !             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: static enum cmd_retval cmd_swap_window_exec(struct cmd *, struct cmdq_item *);
        !            30: 
        !            31: const struct cmd_entry cmd_swap_window_entry = {
        !            32:        .name = "swap-window",
        !            33:        .alias = "swapw",
        !            34: 
        !            35:        .args = { "ds:t:", 0, 0 },
        !            36:        .usage = "[-d] " CMD_SRCDST_WINDOW_USAGE,
        !            37: 
        !            38:        .sflag = CMD_WINDOW_MARKED,
        !            39:        .tflag = CMD_WINDOW,
        !            40: 
        !            41:        .flags = 0,
        !            42:        .exec = cmd_swap_window_exec
        !            43: };
        !            44: 
        !            45: static enum cmd_retval
        !            46: cmd_swap_window_exec(struct cmd *self, struct cmdq_item *item)
        !            47: {
        !            48:        struct session          *src, *dst;
        !            49:        struct session_group    *sg_src, *sg_dst;
        !            50:        struct winlink          *wl_src, *wl_dst;
        !            51:        struct window           *w_src, *w_dst;
        !            52: 
        !            53:        wl_src = item->state.sflag.wl;
        !            54:        src = item->state.sflag.s;
        !            55:        sg_src = session_group_contains(src);
        !            56: 
        !            57:        wl_dst = item->state.tflag.wl;
        !            58:        dst = item->state.tflag.s;
        !            59:        sg_dst = session_group_contains(dst);
        !            60: 
        !            61:        if (src != dst && sg_src != NULL && sg_dst != NULL &&
        !            62:            sg_src == sg_dst) {
        !            63:                cmdq_error(item, "can't move window, sessions are grouped");
        !            64:                return (CMD_RETURN_ERROR);
        !            65:        }
        !            66: 
        !            67:        if (wl_dst->window == wl_src->window)
        !            68:                return (CMD_RETURN_NORMAL);
        !            69: 
        !            70:        w_dst = wl_dst->window;
        !            71:        TAILQ_REMOVE(&w_dst->winlinks, wl_dst, wentry);
        !            72:        w_src = wl_src->window;
        !            73:        TAILQ_REMOVE(&w_src->winlinks, wl_src, wentry);
        !            74: 
        !            75:        wl_dst->window = w_src;
        !            76:        TAILQ_INSERT_TAIL(&w_src->winlinks, wl_dst, wentry);
        !            77:        wl_src->window = w_dst;
        !            78:        TAILQ_INSERT_TAIL(&w_dst->winlinks, wl_src, wentry);
        !            79: 
        !            80:        if (!args_has(self->args, 'd')) {
        !            81:                session_select(dst, wl_dst->idx);
        !            82:                if (src != dst)
        !            83:                        session_select(src, wl_src->idx);
        !            84:        }
        !            85:        session_group_synchronize_from(src);
        !            86:        server_redraw_session_group(src);
        !            87:        if (src != dst) {
        !            88:                session_group_synchronize_from(dst);
        !            89:                server_redraw_session_group(dst);
        !            90:        }
        !            91:        recalculate_sizes();
        !            92: 
        !            93:        return (CMD_RETURN_NORMAL);
        !            94: }