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Annotation of src/usr.bin/tmux/cmd-display-message.c, Revision 1.43

1.43    ! nicm        1: /* $OpenBSD: cmd-display-message.c,v 1.42 2017/05/01 12:20:55 nicm Exp $ */
1.1       nicm        2:
                      3: /*
                      4:  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
                      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:
1.14      nicm       21: #include <stdlib.h>
1.1       nicm       22: #include <time.h>
                     23:
                     24: #include "tmux.h"
                     25:
                     26: /*
                     27:  * Displays a message in the status line.
                     28:  */
1.26      nicm       29:
                     30: #define DISPLAY_MESSAGE_TEMPLATE                       \
                     31:        "[#{session_name}] #{window_index}:"            \
                     32:        "#{window_name}, current pane #{pane_index} "   \
                     33:        "- (%H:%M %d-%b-%y)"
1.1       nicm       34:
1.39      nicm       35: static enum cmd_retval cmd_display_message_exec(struct cmd *,
                     36:                            struct cmdq_item *);
1.1       nicm       37:
                     38: const struct cmd_entry cmd_display_message_entry = {
1.34      nicm       39:        .name = "display-message",
                     40:        .alias = "display",
                     41:
                     42:        .args = { "c:pt:F:", 0, 1 },
                     43:        .usage = "[-p] [-c target-client] [-F format] "
                     44:                 CMD_TARGET_PANE_USAGE " [message]",
                     45:
1.41      nicm       46:        .target = { 't', CMD_FIND_PANE, 0 },
1.35      nicm       47:
1.38      nicm       48:        .flags = CMD_AFTERHOOK,
1.34      nicm       49:        .exec = cmd_display_message_exec
1.1       nicm       50: };
                     51:
1.37      nicm       52: static enum cmd_retval
1.39      nicm       53: cmd_display_message_exec(struct cmd *self, struct cmdq_item *item)
1.1       nicm       54: {
1.8       nicm       55:        struct args             *args = self->args;
1.43    ! nicm       56:        struct client           *c, *target_c;
1.41      nicm       57:        struct session          *s = item->target.s;
                     58:        struct winlink          *wl = item->target.wl;
                     59:        struct window_pane      *wp = item->target.wp;
1.1       nicm       60:        const char              *template;
                     61:        char                    *msg;
1.11      nicm       62:        struct format_tree      *ft;
1.1       nicm       63:
1.11      nicm       64:        if (args_has(args, 'F') && args->argc != 0) {
1.39      nicm       65:                cmdq_error(item, "only one of -F or argument must be given");
1.15      nicm       66:                return (CMD_RETURN_ERROR);
1.22      nicm       67:        }
                     68:
1.11      nicm       69:        template = args_get(args, 'F');
                     70:        if (args->argc != 0)
                     71:                template = args->argv[0];
                     72:        if (template == NULL)
1.16      nicm       73:                template = DISPLAY_MESSAGE_TEMPLATE;
1.1       nicm       74:
1.43    ! nicm       75:        /*
        !            76:         * -c is intended to be the client where the message should be
        !            77:         * displayed if -p is not given. But it makes sense to use it for the
        !            78:         * formats too, assuming it matches the session. If it doesn't, use the
        !            79:         * best client for the session.
        !            80:         */
        !            81:        c = cmd_find_client(item, args_get(args, 'c'), 1);
        !            82:        if (c != NULL && c->session == s)
        !            83:                target_c = c;
        !            84:        else
        !            85:                target_c = cmd_find_best_client(s);
1.42      nicm       86:        ft = format_create(item->client, item, FORMAT_NONE, 0);
1.43    ! nicm       87:        format_defaults(ft, target_c, s, wl, wp);
1.11      nicm       88:
1.29      nicm       89:        msg = format_expand_time(ft, template, time(NULL));
1.8       nicm       90:        if (args_has(self->args, 'p'))
1.39      nicm       91:                cmdq_print(item, "%s", msg);
1.43    ! nicm       92:        else {
        !            93:                if (c != NULL)
        !            94:                        status_message_set(c, "%s", msg);
        !            95:        }
1.14      nicm       96:        free(msg);
1.36      nicm       97:
1.12      nicm       98:        format_free(ft);
1.20      nicm       99:
1.15      nicm      100:        return (CMD_RETURN_NORMAL);
1.1       nicm      101: }