text: /* $OpenBSD$ */
  
  /*
   * 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 "tmux.h"
  
  /*
   * Select window by index.
   */
  
  static enum cmd_retval	cmd_select_window_exec(struct cmd *,
  			    struct cmdq_item *);
  
  const struct cmd_entry cmd_select_window_entry = {
  	.name = "select-window",
  	.alias = "selectw",
  
  	.args = { "lnpTt:", 0, 0 },
  	.usage = "[-lnpT] " CMD_TARGET_WINDOW_USAGE,
  
  	.tflag = CMD_WINDOW,
  
  	.flags = 0,
  	.exec = cmd_select_window_exec
  };
  
  const struct cmd_entry cmd_next_window_entry = {
  	.name = "next-window",
  	.alias = "next",
  
  	.args = { "at:", 0, 0 },
  	.usage = "[-a] " CMD_TARGET_SESSION_USAGE,
  
  	.tflag = CMD_SESSION,
  
  	.flags = 0,
  	.exec = cmd_select_window_exec
  };
  
  const struct cmd_entry cmd_previous_window_entry = {
  	.name = "previous-window",
  	.alias = "prev",
  
  	.args = { "at:", 0, 0 },
  	.usage = "[-a] " CMD_TARGET_SESSION_USAGE,
  
  	.tflag = CMD_SESSION,
  
  	.flags = 0,
  	.exec = cmd_select_window_exec
  };
  
  const struct cmd_entry cmd_last_window_entry = {
  	.name = "last-window",
  	.alias = "last",
  
  	.args = { "t:", 0, 0 },
  	.usage = CMD_TARGET_SESSION_USAGE,
  
  	.tflag = CMD_SESSION,
  
  	.flags = 0,
  	.exec = cmd_select_window_exec
  };
  
  static enum cmd_retval
  cmd_select_window_exec(struct cmd *self, struct cmdq_item *item)
  {
  	struct winlink	*wl = item->state.tflag.wl;
  	struct session	*s = item->state.tflag.s;
  	int		 next, previous, last, activity;
  
  	next = self->entry == &cmd_next_window_entry;
  	if (args_has(self->args, 'n'))
  		next = 1;
  	previous = self->entry == &cmd_previous_window_entry;
  	if (args_has(self->args, 'p'))
  		previous = 1;
  	last = self->entry == &cmd_last_window_entry;
  	if (args_has(self->args, 'l'))
  		last = 1;
  
  	if (next || previous || last) {
  		activity = args_has(self->args, 'a');
  		if (next) {
  			if (session_next(s, activity) != 0) {
  				cmdq_error(item, "no next window");
  				return (CMD_RETURN_ERROR);
  			}
  		} else if (previous) {
  			if (session_previous(s, activity) != 0) {
  				cmdq_error(item, "no previous window");
  				return (CMD_RETURN_ERROR);
  			}
  		} else {
  			if (session_last(s) != 0) {
  				cmdq_error(item, "no last window");
  				return (CMD_RETURN_ERROR);
  			}
  		}
  
  		server_redraw_session(s);
  	} else {
  		/*
  		 * If -T and select-window is invoked on same window as
  		 * current, switch to previous window.
  		 */
  		if (args_has(self->args, 'T') && wl == s->curw) {
  			if (session_last(s) != 0) {
  				cmdq_error(item, "no last window");
  				return (-1);
  			}
  			server_redraw_session(s);
  		} else if (session_select(s, wl->idx) == 0)
  			server_redraw_session(s);
  	}
  	recalculate_sizes();
  
  	return (CMD_RETURN_NORMAL);
  }
  