cmd-list-windows.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 <unistd.h>
  23
  24 #include "tmux.h"
  25
  26 /*
  27  * List windows on given session.
  28  */
  29
  30 #define LIST_WINDOWS_TEMPLATE                                   \
  31         "#{window_index}: #{window_name}#{window_raw_flags} "   \
  32         "(#{window_panes} panes) "                              \
  33         "[#{window_width}x#{window_height}] "                   \
  34         "[layout #{window_layout}] #{window_id}"                \
  35         "#{?window_active, (active),}";
  36 #define LIST_WINDOWS_WITH_SESSION_TEMPLATE                      \
  37         "#{session_name}:"                                      \
  38         "#{window_index}: #{window_name}#{window_raw_flags} "   \
  39         "(#{window_panes} panes) "                              \
  40         "[#{window_width}x#{window_height}] "
  41
  42 static enum cmd_retval  cmd_list_windows_exec(struct cmd *, struct cmdq_item *);
  43
  44 static void     cmd_list_windows_server(struct cmd *, struct cmdq_item *);
  45 static void     cmd_list_windows_session(struct cmd *, struct session *,
  46                     struct cmdq_item *, int);
  47
  48 const struct cmd_entry cmd_list_windows_entry = {
  49         .name = "list-windows",
  50         .alias = "lsw",
  51
  52         .args = { "F:f:at:", 0, 0, NULL },
  53         .usage = "[-a] [-F format] [-f filter] " CMD_TARGET_SESSION_USAGE,
  54
  55         .target = { 't', CMD_FIND_SESSION, 0 },
  56
  57         .flags = CMD_AFTERHOOK,
  58         .exec = cmd_list_windows_exec
  59 };
  60
  61 static enum cmd_retval
  62 cmd_list_windows_exec(struct cmd *self, struct cmdq_item *item)
  63 {
  64         struct args             *args = cmd_get_args(self);
  65         struct cmd_find_state   *target = cmdq_get_target(item);
  66
  67         if (args_has(args, 'a'))
  68                 cmd_list_windows_server(self, item);
  69         else
  70                 cmd_list_windows_session(self, target->s, item, 0);
  71
  72         return (CMD_RETURN_NORMAL);
  73 }
  74
  75 static void
  76 cmd_list_windows_server(struct cmd *self, struct cmdq_item *item)
  77 {
  78         struct session  *s;
  79
  80         RB_FOREACH(s, sessions, &sessions)
  81                 cmd_list_windows_session(self, s, item, 1);
  82 }
  83
  84 static void
  85 cmd_list_windows_session(struct cmd *self, struct session *s,
  86     struct cmdq_item *item, int type)
  87 {
  88         struct args             *args = cmd_get_args(self);
  89         struct winlink          *wl;
  90         u_int                    n;
  91         struct format_tree      *ft;
  92         const char              *template, *filter;
  93         char                    *line, *expanded;
  94         int                      flag;
  95
  96         template = args_get(args, 'F');
  97         if (template == NULL) {
  98                 switch (type) {
  99                 case 0:
 100                         template = LIST_WINDOWS_TEMPLATE;
 101                         break;
 102                 case 1:
 103                         template = LIST_WINDOWS_WITH_SESSION_TEMPLATE;
 104                         break;
 105                 }
 106         }
 107         filter = args_get(args, 'f');
 108
 109         n = 0;
 110         RB_FOREACH(wl, winlinks, &s->windows) {
 111                 ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
 112                 format_add(ft, "line", "%u", n);
 113                 format_defaults(ft, NULL, s, wl, NULL);
 114
 115                 if (filter != NULL) {
 116                         expanded = format_expand(ft, filter);
 117                         flag = format_true(expanded);
 118                         free(expanded);
 119                 } else
 120                         flag = 1;
 121                 if (flag) {
 122                         line = format_expand(ft, template);
 123                         cmdq_print(item, "%s", line);
 124                         free(line);
 125                 }
 126
 127                 format_free(ft);
 128                 n++;
 129         }
 130 }