cmd-list-clients.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
   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 <string.h>
  23 #include <time.h>
  24
  25 #include "tmux.h"
  26
  27 /*
  28  * List all clients.
  29  */
  30
  31 #define LIST_CLIENTS_TEMPLATE                                           \
  32         "#{client_name}: #{session_name} "                              \
  33         "[#{client_width}x#{client_height} #{client_termname}] "        \
  34         "#{?#{!=:#{client_uid},#{uid}},"                                \
  35         "[user #{?client_user,#{client_user},#{client_uid},}] ,}"       \
  36         "#{?client_flags,(,}#{client_flags}#{?client_flags,),}"
  37
  38 static enum cmd_retval  cmd_list_clients_exec(struct cmd *, struct cmdq_item *);
  39
  40 const struct cmd_entry cmd_list_clients_entry = {
  41         .name = "list-clients",
  42         .alias = "lsc",
  43
  44         .args = { "F:f:t:", 0, 0, NULL },
  45         .usage = "[-F format] [-f filter] " CMD_TARGET_SESSION_USAGE,
  46
  47         .target = { 't', CMD_FIND_SESSION, 0 },
  48
  49         .flags = CMD_READONLY|CMD_AFTERHOOK,
  50         .exec = cmd_list_clients_exec
  51 };
  52
  53 static enum cmd_retval
  54 cmd_list_clients_exec(struct cmd *self, struct cmdq_item *item)
  55 {
  56         struct args             *args = cmd_get_args(self);
  57         struct cmd_find_state   *target = cmdq_get_target(item);
  58         struct client           *c;
  59         struct session          *s;
  60         struct format_tree      *ft;
  61         const char              *template, *filter;
  62         u_int                    idx;
  63         char                    *line, *expanded;
  64         int                      flag;
  65
  66         if (args_has(args, 't'))
  67                 s = target->s;
  68         else
  69                 s = NULL;
  70
  71         if ((template = args_get(args, 'F')) == NULL)
  72                 template = LIST_CLIENTS_TEMPLATE;
  73         filter = args_get(args, 'f');
  74
  75         idx = 0;
  76         TAILQ_FOREACH(c, &clients, entry) {
  77                 if (c->session == NULL || (s != NULL && s != c->session))
  78                         continue;
  79
  80                 ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
  81                 format_add(ft, "line", "%u", idx);
  82                 format_defaults(ft, c, NULL, NULL, NULL);
  83
  84                 if (filter != NULL) {
  85                         expanded = format_expand(ft, filter);
  86                         flag = format_true(expanded);
  87                         free(expanded);
  88                 } else
  89                         flag = 1;
  90                 if (flag) {
  91                         line = format_expand(ft, template);
  92                         cmdq_print(item, "%s", line);
  93                         free(line);
  94                 }
  95
  96                 format_free(ft);
  97
  98                 idx++;
  99         }
 100
 101         return (CMD_RETURN_NORMAL);
 102 }