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Annotation of src/usr.bin/tmux/cmd-move-window.c, Revision 1.1

1.1     ! nicm        1: /* $OpenBSD$ */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 2008 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:  * Move a window.
        !            27:  */
        !            28:
        !            29: int    cmd_move_window_exec(struct cmd *, struct cmd_ctx *);
        !            30:
        !            31: const struct cmd_entry cmd_move_window_entry = {
        !            32:        "move-window", "movew",
        !            33:        "[-dk] " CMD_SRCDST_WINDOW_USAGE,
        !            34:        CMD_DFLAG|CMD_KFLAG,
        !            35:        cmd_srcdst_init,
        !            36:        cmd_srcdst_parse,
        !            37:        cmd_move_window_exec,
        !            38:        cmd_srcdst_send,
        !            39:        cmd_srcdst_recv,
        !            40:        cmd_srcdst_free,
        !            41:        cmd_srcdst_print
        !            42: };
        !            43:
        !            44: int
        !            45: cmd_move_window_exec(struct cmd *self, struct cmd_ctx *ctx)
        !            46: {
        !            47:        struct cmd_srcdst_data  *data = self->data;
        !            48:        struct session          *src, *dst;
        !            49:        struct winlink          *wl_src, *wl_dst;
        !            50:        struct client           *c;
        !            51:        u_int                    i;
        !            52:        int                      destroyed, idx;
        !            53:        char                    *cause;
        !            54:
        !            55:        if ((wl_src = cmd_find_window(ctx, data->src, &src)) == NULL)
        !            56:                return (-1);
        !            57:
        !            58:        if (arg_parse_window(data->dst, &dst, &idx) != 0) {
        !            59:                ctx->error(ctx, "bad window: %s", data->dst);
        !            60:                return (-1);
        !            61:        }
        !            62:        if (dst == NULL)
        !            63:                dst = ctx->cursession;
        !            64:        if (dst == NULL)
        !            65:                dst = cmd_current_session(ctx);
        !            66:        if (dst == NULL) {
        !            67:                ctx->error(ctx, "session not found: %s", data->dst);
        !            68:                return (-1);
        !            69:        }
        !            70:
        !            71:        wl_dst = NULL;
        !            72:        if (idx != -1)
        !            73:                wl_dst = winlink_find_by_index(&dst->windows, idx);
        !            74:        if (wl_dst != NULL) {
        !            75:                if (wl_dst->window == wl_src->window)
        !            76:                        return (0);
        !            77:
        !            78:                if (data->flags & CMD_KFLAG) {
        !            79:                        /*
        !            80:                         * Can't use session_detach as it will destroy session
        !            81:                         * if this makes it empty.
        !            82:                         */
        !            83:                        session_alert_cancel(dst, wl_dst);
        !            84:                        winlink_stack_remove(&dst->lastw, wl_dst);
        !            85:                        winlink_remove(&dst->windows, wl_dst);
        !            86:
        !            87:                        /* Force select/redraw if current. */
        !            88:                        if (wl_dst == dst->curw) {
        !            89:                                data->flags &= ~CMD_DFLAG;
        !            90:                                dst->curw = NULL;
        !            91:                        }
        !            92:                }
        !            93:        }
        !            94:
        !            95:        wl_dst = session_attach(dst, wl_src->window, idx, &cause);
        !            96:        if (wl_dst == NULL) {
        !            97:                ctx->error(ctx, "attach window failed: %s", cause);
        !            98:                xfree(cause);
        !            99:                return (-1);
        !           100:        }
        !           101:
        !           102:        destroyed = session_detach(src, wl_src);
        !           103:        for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
        !           104:                c = ARRAY_ITEM(&clients, i);
        !           105:                if (c == NULL || c->session != src)
        !           106:                        continue;
        !           107:                if (destroyed) {
        !           108:                        c->session = NULL;
        !           109:                        server_write_client(c, MSG_EXIT, NULL, 0);
        !           110:                } else
        !           111:                        server_redraw_client(c);
        !           112:        }
        !           113:
        !           114:        if (data->flags & CMD_DFLAG)
        !           115:                server_status_session(dst);
        !           116:        else {
        !           117:                session_select(dst, wl_dst->idx);
        !           118:                server_redraw_session(dst);
        !           119:        }
        !           120:        recalculate_sizes();
        !           121:
        !           122:        return (0);
        !           123: }