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 <stdlib.h>
  22 #include <time.h>
  23
  24 #include "tmux.h"
  25
  26 /*
  27  * Displays a message in the status line.
  28  */
  29
  30 enum cmd_retval  cmd_display_message_exec(struct cmd *, struct cmd_q *);
  31
  32 const struct cmd_entry cmd_display_message_entry = {
  33         "display-message", "display",
  34         "c:pt:F:", 0, 1,
  35         "[-p] [-c target-client] [-F format] " CMD_TARGET_PANE_USAGE
  36         " [message]",
  37         0,
  38         NULL,
  39         cmd_display_message_exec
  40 };
  41
  42 enum cmd_retval
  43 cmd_display_message_exec(struct cmd *self, struct cmd_q *cmdq)
  44 {
  45         struct args             *args = self->args;
  46         struct client           *c;
  47         struct session          *s;
  48         struct winlink          *wl;
  49         struct window_pane      *wp;
  50         const char              *template;
  51         char                    *msg;
  52         struct format_tree      *ft;
  53         char                     out[BUFSIZ];
  54         time_t                   t;
  55         size_t                   len;
  56
  57         if (args_has(args, 't')) {
  58                 wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp);
  59                 if (wl == NULL)
  60                         return (CMD_RETURN_ERROR);
  61         } else {
  62                 wl = cmd_find_pane(cmdq, NULL, &s, &wp);
  63                 if (wl == NULL)
  64                         return (CMD_RETURN_ERROR);
  65         }
  66
  67         if (args_has(args, 'F') && args->argc != 0) {
  68                 cmdq_error(cmdq, "only one of -F or argument must be given");
  69                 return (CMD_RETURN_ERROR);
  70         }
  71
  72         if (args_has(args, 'c')) {
  73                 c = cmd_find_client(cmdq, args_get(args, 'c'), 0);
  74                 if (c == NULL)
  75                         return (CMD_RETURN_ERROR);
  76         } else {
  77                 c = cmd_current_client(cmdq);
  78                 if (c == NULL && !args_has(self->args, 'p')) {
  79                         cmdq_error(cmdq, "no client available");
  80                         return (CMD_RETURN_ERROR);
  81                 }
  82         }
  83
  84         template = args_get(args, 'F');
  85         if (args->argc != 0)
  86                 template = args->argv[0];
  87         if (template == NULL)
  88                 template = DISPLAY_MESSAGE_TEMPLATE;
  89
  90         ft = format_create();
  91         if (c != NULL)
  92                 format_client(ft, c);
  93         format_session(ft, s);
  94         format_winlink(ft, s, wl);
  95         format_window_pane(ft, wp);
  96
  97         t = time(NULL);
  98         len = strftime(out, sizeof out, template, localtime(&t));
  99         out[len] = '\0';
 100
 101         msg = format_expand(ft, out);
 102         if (args_has(self->args, 'p'))
 103                 cmdq_print(cmdq, "%s", msg);
 104         else
 105                 status_message_set(c, "%s", msg);
 106         free(msg);
 107         format_free(ft);
 108
 109         return (CMD_RETURN_NORMAL);
 110 }