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      1 /* $OpenBSD$ */
      2 
      3 /*
      4  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott (at) 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 }
    149