/* $OpenBSD$ */

/*

 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>

 *

 * Permission to use, copy, modify, and distribute this software for any

 * purpose with or without fee is hereby granted, provided that the above

 * copyright notice and this permission notice appear in all copies.

 *

 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER

 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING

 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

 */

#include <sys/types.h>

#include <stdlib.h>

#include <unistd.h>

#include "tmux.h"

/*

 * List windows on given session.

 */

#define LIST_WINDOWS_TEMPLATE         \

  "#{window_index}: #{window_name}#{window_raw_flags} " \

  "(#{window_panes} panes) "        \

  "[#{window_width}x#{window_height}] "     \

  "[layout #{window_layout}] #{window_id}"    \

  "#{?window_active, (active),}";

#define LIST_WINDOWS_WITH_SESSION_TEMPLATE      \

  "#{session_name}:"          \

  "#{window_index}: #{window_name}#{window_raw_flags} " \

  "(#{window_panes} panes) "        \

  "[#{window_width}x#{window_height}] "

static enum cmd_retval  cmd_list_windows_exec(struct cmd *, struct cmdq_item *);

static void cmd_list_windows_server(struct cmd *, struct cmdq_item *);

static void cmd_list_windows_session(struct cmd *, struct session *,

        struct cmdq_item *, int);

const struct cmd_entry cmd_list_windows_entry = {

  .name = "list-windows",

  .alias = "lsw",

  .args = { "F:f:at:", 0, 0, NULL },

  .usage = "[-a] [-F format] [-f filter] " CMD_TARGET_SESSION_USAGE,

  .target = { 't', CMD_FIND_SESSION, 0 },

  .flags = CMD_AFTERHOOK,

  .exec = cmd_list_windows_exec

};

static enum cmd_retval

cmd_list_windows_exec(struct cmd *self, struct cmdq_item *item)

{

  struct args   *args = cmd_get_args(self);

  struct cmd_find_state *target = cmdq_get_target(item);

  if (args_has(args, 'a'))

    cmd_list_windows_server(self, item);

  else

    cmd_list_windows_session(self, target->s, item, 0);

  return (CMD_RETURN_NORMAL);

}

static void

cmd_list_windows_server(struct cmd *self, struct cmdq_item *item)

{

  struct session  *s;

  RB_FOREACH(s, sessions, &sessions)

    cmd_list_windows_session(self, s, item, 1);

}

static void

cmd_list_windows_session(struct cmd *self, struct session *s,

    struct cmdq_item *item, int type)

{

  struct args   *args = cmd_get_args(self);

  struct winlink    *wl;

  u_int      n;

  struct format_tree  *ft;

  const char    *template, *filter;

  char      *line, *expanded;

  int      flag;

  template = args_get(args, 'F');

  if (template == NULL) {

    switch (type) {

    case 0:

      template = LIST_WINDOWS_TEMPLATE;

      break;

    case 1:

      template = LIST_WINDOWS_WITH_SESSION_TEMPLATE;

      break;

    }

  }

  filter = args_get(args, 'f');

  n = 0;

  RB_FOREACH(wl, winlinks, &s->windows) {

    ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);

    format_add(ft, "line", "%u", n);

    format_defaults(ft, NULL, s, wl, NULL);

    if (filter != NULL) {

      expanded = format_expand(ft, filter);

      flag = format_true(expanded);

      free(expanded);

    } else

      flag = 1;

    if (flag) {

      line = format_expand(ft, template);

      cmdq_print(item, "%s", line);

      free(line);

    }

    format_free(ft);

    n++;

  }

}