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Annotation of embedaddon/tmux/cmd-break-pane.c, revision 1.1

1.1     ! misho       1: /* $OpenBSD$ */
        !             2: 
        !             3: /*
        !             4:  * Copyright (c) 2009 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:  * Break pane off into a window.
        !            27:  */
        !            28: 
        !            29: #define BREAK_PANE_TEMPLATE "#{session_name}:#{window_index}.#{pane_index}"
        !            30: 
        !            31: static enum cmd_retval cmd_break_pane_exec(struct cmd *, struct cmdq_item *);
        !            32: 
        !            33: const struct cmd_entry cmd_break_pane_entry = {
        !            34:        .name = "break-pane",
        !            35:        .alias = "breakp",
        !            36: 
        !            37:        .args = { "dPF:n:s:t:", 0, 0 },
        !            38:        .usage = "[-dP] [-F format] [-n window-name] [-s src-pane] [-t dst-window]",
        !            39: 
        !            40:        .sflag = CMD_PANE,
        !            41:        .tflag = CMD_WINDOW_INDEX,
        !            42: 
        !            43:        .flags = 0,
        !            44:        .exec = cmd_break_pane_exec
        !            45: };
        !            46: 
        !            47: static enum cmd_retval
        !            48: cmd_break_pane_exec(struct cmd *self, struct cmdq_item *item)
        !            49: {
        !            50:        struct args             *args = self->args;
        !            51:        struct client           *c = item->state.c;
        !            52:        struct winlink          *wl = item->state.sflag.wl;
        !            53:        struct session          *src_s = item->state.sflag.s;
        !            54:        struct session          *dst_s = item->state.tflag.s;
        !            55:        struct window_pane      *wp = item->state.sflag.wp;
        !            56:        struct window           *w = wl->window;
        !            57:        char                    *name, *cause;
        !            58:        int                      idx = item->state.tflag.idx;
        !            59:        const char              *template;
        !            60:        char                    *cp;
        !            61: 
        !            62:        if (idx != -1 && winlink_find_by_index(&dst_s->windows, idx) != NULL) {
        !            63:                cmdq_error(item, "index %d already in use", idx);
        !            64:                return (CMD_RETURN_ERROR);
        !            65:        }
        !            66: 
        !            67:        if (window_count_panes(w) == 1) {
        !            68:                cmdq_error(item, "can't break with only one pane");
        !            69:                return (CMD_RETURN_ERROR);
        !            70:        }
        !            71:        server_unzoom_window(w);
        !            72: 
        !            73:        TAILQ_REMOVE(&w->panes, wp, entry);
        !            74:        window_lost_pane(w, wp);
        !            75:        layout_close_pane(wp);
        !            76: 
        !            77:        w = wp->window = window_create(dst_s->sx, dst_s->sy);
        !            78:        TAILQ_INSERT_HEAD(&w->panes, wp, entry);
        !            79:        w->active = wp;
        !            80: 
        !            81:        if (!args_has(args, 'n')) {
        !            82:                name = default_window_name(w);
        !            83:                window_set_name(w, name);
        !            84:                free(name);
        !            85:        } else {
        !            86:                window_set_name(w, args_get(args, 'n'));
        !            87:                options_set_number(w->options, "automatic-rename", 0);
        !            88:        }
        !            89: 
        !            90:        layout_init(w, wp);
        !            91:        wp->flags |= PANE_CHANGED;
        !            92: 
        !            93:        if (idx == -1)
        !            94:                idx = -1 - options_get_number(dst_s->options, "base-index");
        !            95:        wl = session_attach(dst_s, w, idx, &cause); /* can't fail */
        !            96:        if (!args_has(self->args, 'd'))
        !            97:                session_select(dst_s, wl->idx);
        !            98: 
        !            99:        server_redraw_session(src_s);
        !           100:        if (src_s != dst_s)
        !           101:                server_redraw_session(dst_s);
        !           102:        server_status_session_group(src_s);
        !           103:        if (src_s != dst_s)
        !           104:                server_status_session_group(dst_s);
        !           105: 
        !           106:        if (args_has(args, 'P')) {
        !           107:                if ((template = args_get(args, 'F')) == NULL)
        !           108:                        template = BREAK_PANE_TEMPLATE;
        !           109:                cp = format_single(item, template, c, dst_s, wl, wp);
        !           110:                cmdq_print(item, "%s", cp);
        !           111:                free(cp);
        !           112:        }
        !           113:        return (CMD_RETURN_NORMAL);
        !           114: }