Annotation of embedaddon/tmux/cmd-break-pane.c, revision 1.1.1.1

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: }

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