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Annotation of embedaddon/tmux/cmd-display-message.c, revision 1.1

1.1     ! misho       1: /* $OpenBSD$ */
        !             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: 
        !            21: #include <stdlib.h>
        !            22: #include <time.h>
        !            23: 
        !            24: #include "tmux.h"
        !            25: 
        !            26: /*
        !            27:  * Displays a message in the status line.
        !            28:  */
        !            29: 
        !            30: #define DISPLAY_MESSAGE_TEMPLATE                       \
        !            31:        "[#{session_name}] #{window_index}:"            \
        !            32:        "#{window_name}, current pane #{pane_index} "   \
        !            33:        "- (%H:%M %d-%b-%y)"
        !            34: 
        !            35: static enum cmd_retval cmd_display_message_exec(struct cmd *,
        !            36:                            struct cmdq_item *);
        !            37: 
        !            38: const struct cmd_entry cmd_display_message_entry = {
        !            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: 
        !            46:        .cflag = CMD_CLIENT_CANFAIL,
        !            47:        .tflag = CMD_PANE,
        !            48: 
        !            49:        .flags = CMD_AFTERHOOK,
        !            50:        .exec = cmd_display_message_exec
        !            51: };
        !            52: 
        !            53: static enum cmd_retval
        !            54: cmd_display_message_exec(struct cmd *self, struct cmdq_item *item)
        !            55: {
        !            56:        struct args             *args = self->args;
        !            57:        struct client           *c = item->state.c;
        !            58:        struct session          *s = item->state.tflag.s;
        !            59:        struct winlink          *wl = item->state.tflag.wl;
        !            60:        struct window_pane      *wp = item->state.tflag.wp;
        !            61:        const char              *template;
        !            62:        char                    *msg;
        !            63:        struct format_tree      *ft;
        !            64: 
        !            65:        if (args_has(args, 'F') && args->argc != 0) {
        !            66:                cmdq_error(item, "only one of -F or argument must be given");
        !            67:                return (CMD_RETURN_ERROR);
        !            68:        }
        !            69: 
        !            70:        template = args_get(args, 'F');
        !            71:        if (args->argc != 0)
        !            72:                template = args->argv[0];
        !            73:        if (template == NULL)
        !            74:                template = DISPLAY_MESSAGE_TEMPLATE;
        !            75: 
        !            76:        ft = format_create(item, FORMAT_NONE, 0);
        !            77:        format_defaults(ft, c, s, wl, wp);
        !            78: 
        !            79:        msg = format_expand_time(ft, template, time(NULL));
        !            80:        if (args_has(self->args, 'p'))
        !            81:                cmdq_print(item, "%s", msg);
        !            82:        else if (c != NULL)
        !            83:                status_message_set(c, "%s", msg);
        !            84:        free(msg);
        !            85: 
        !            86:        format_free(ft);
        !            87: 
        !            88:        return (CMD_RETURN_NORMAL);
        !            89: }