cmd-list-panes.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2009 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
  23 #include "tmux.h"
  24
  25 /*
  26  * List panes on given window.
  27  */
  28
  29 static enum cmd_retval  cmd_list_panes_exec(struct cmd *, struct cmdq_item *);
  30
  31 static void     cmd_list_panes_server(struct cmd *, struct cmdq_item *);
  32 static void     cmd_list_panes_session(struct cmd *, struct session *,
  33                     struct cmdq_item *, int);
  34 static void     cmd_list_panes_window(struct cmd *, struct session *,
  35                     struct winlink *, struct cmdq_item *, int);
  36
  37 const struct cmd_entry cmd_list_panes_entry = {
  38         .name = "list-panes",
  39         .alias = "lsp",
  40
  41         .args = { "asF:f:t:", 0, 0, NULL },
  42         .usage = "[-as] [-F format] [-f filter] " CMD_TARGET_WINDOW_USAGE,
  43
  44         .target = { 't', CMD_FIND_WINDOW, 0 },
  45
  46         .flags = CMD_AFTERHOOK,
  47         .exec = cmd_list_panes_exec
  48 };
  49
  50 static enum cmd_retval
  51 cmd_list_panes_exec(struct cmd *self, struct cmdq_item *item)
  52 {
  53         struct args             *args = cmd_get_args(self);
  54         struct cmd_find_state   *target = cmdq_get_target(item);
  55         struct session          *s = target->s;
  56         struct winlink          *wl = target->wl;
  57
  58         if (args_has(args, 'a'))
  59                 cmd_list_panes_server(self, item);
  60         else if (args_has(args, 's'))
  61                 cmd_list_panes_session(self, s, item, 1);
  62         else
  63                 cmd_list_panes_window(self, s, wl, item, 0);
  64
  65         return (CMD_RETURN_NORMAL);
  66 }
  67
  68 static void
  69 cmd_list_panes_server(struct cmd *self, struct cmdq_item *item)
  70 {
  71         struct session  *s;
  72
  73         RB_FOREACH(s, sessions, &sessions)
  74                 cmd_list_panes_session(self, s, item, 2);
  75 }
  76
  77 static void
  78 cmd_list_panes_session(struct cmd *self, struct session *s,
  79     struct cmdq_item *item, int type)
  80 {
  81         struct winlink  *wl;
  82
  83         RB_FOREACH(wl, winlinks, &s->windows)
  84                 cmd_list_panes_window(self, s, wl, item, type);
  85 }
  86
  87 static void
  88 cmd_list_panes_window(struct cmd *self, struct session *s, struct winlink *wl,
  89     struct cmdq_item *item, int type)
  90 {
  91         struct args             *args = cmd_get_args(self);
  92         struct window_pane      *wp;
  93         u_int                    n;
  94         struct format_tree      *ft;
  95         const char              *template, *filter;
  96         char                    *line, *expanded;
  97         int                      flag;
  98
  99         template = args_get(args, 'F');
 100         if (template == NULL) {
 101                 switch (type) {
 102                 case 0:
 103                         template = "#{pane_index}: "
 104                             "[#{pane_width}x#{pane_height}] [history "
 105                             "#{history_size}/#{history_limit}, "
 106                             "#{history_bytes} bytes] #{pane_id}"
 107                             "#{?pane_active, (active),}#{?pane_dead, (dead),}";
 108                         break;
 109                 case 1:
 110                         template = "#{window_index}.#{pane_index}: "
 111                             "[#{pane_width}x#{pane_height}] [history "
 112                             "#{history_size}/#{history_limit}, "
 113                             "#{history_bytes} bytes] #{pane_id}"
 114                             "#{?pane_active, (active),}#{?pane_dead, (dead),}";
 115                         break;
 116                 case 2:
 117                         template = "#{session_name}:#{window_index}."
 118                             "#{pane_index}: [#{pane_width}x#{pane_height}] "
 119                             "[history #{history_size}/#{history_limit}, "
 120                             "#{history_bytes} bytes] #{pane_id}"
 121                             "#{?pane_active, (active),}#{?pane_dead, (dead),}";
 122                         break;
 123                 }
 124         }
 125         filter = args_get(args, 'f');
 126
 127         n = 0;
 128         TAILQ_FOREACH(wp, &wl->window->panes, entry) {
 129                 ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
 130                 format_add(ft, "line", "%u", n);
 131                 format_defaults(ft, NULL, s, wl, wp);
 132
 133                 if (filter != NULL) {
 134                         expanded = format_expand(ft, filter);
 135                         flag = format_true(expanded);
 136                         free(expanded);
 137                 } else
 138                         flag = 1;
 139                 if (flag) {
 140                         line = format_expand(ft, template);
 141                         cmdq_print(item, "%s", line);
 142                         free(line);
 143                 }
 144
 145                 format_free(ft);
 146                 n++;
 147         }
 148 }