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Annotation of embedaddon/tmux/cmd-display-message.c, revision 1.1.1.1

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: }