cmd-display-message.c

   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 <time.h>
  22
  23 #include "tmux.h"
  24
  25 /*
  26  * Displays a message in the status line.
  27  */
  28
  29 int     cmd_display_message_exec(struct cmd *, struct cmd_ctx *);
  30
  31 const struct cmd_entry cmd_display_message_entry = {
  32         "display-message", "display",
  33         "c:pt:F:", 0, 1,
  34         "[-p] [-c target-client] [-t target-pane] [-F format] [message]",
  35         0,
  36         NULL,
  37         NULL,
  38         cmd_display_message_exec
  39 };
  40
  41 int
  42 cmd_display_message_exec(struct cmd *self, struct cmd_ctx *ctx)
  43 {
  44         struct args             *args = self->args;
  45         struct client           *c;
  46         struct session          *s;
  47         struct winlink          *wl;
  48         struct window_pane      *wp;
  49         const char              *template;
  50         char                    *msg;
  51         struct format_tree      *ft;
  52         char                     out[BUFSIZ];
  53         time_t                   t;
  54         size_t                   len;
  55
  56         if ((c = cmd_find_client(ctx, args_get(args, 'c'))) == NULL)
  57                 return (-1);
  58
  59         if (args_has(args, 't')) {
  60                 wl = cmd_find_pane(ctx, args_get(args, 't'), &s, &wp);
  61                 if (wl == NULL)
  62                         return (-1);
  63         } else {
  64                 wl = cmd_find_pane(ctx, NULL, &s, &wp);
  65                 if (wl == NULL)
  66                         return (-1);
  67         }
  68
  69         if (args_has(args, 'F') && args->argc != 0) {
  70                 ctx->error(ctx, "only one of -F or argument must be given");
  71                 return (-1);
  72         }
  73
  74         template = args_get(args, 'F');
  75         if (args->argc != 0)
  76                 template = args->argv[0];
  77         if (template == NULL)
  78                 template = "[#S] #I:#W, current pane #P - (%H:%M %d-%b-%y)";
  79
  80         ft = format_create();
  81         format_client(ft, c);
  82         format_session(ft, s);
  83         format_winlink(ft, s, wl);
  84         format_window_pane(ft, wp);
  85
  86         t = time(NULL);
  87         len = strftime(out, sizeof out, template, localtime(&t));
  88         out[len] = '\0';
  89
  90         msg = format_expand(ft, out);
  91         if (args_has(self->args, 'p'))
  92                 ctx->print(ctx, "%s", msg);
  93         else
  94                 status_message_set(c, "%s", msg);
  95
  96         xfree(msg);
  97         format_free(ft);
  98         return (0);
  99 }