Panel
/* $Id$ */
							/* Copyright (c) 2011-2018 Pierre Pronchery <khorben@defora.org> */
							/* This file is part of DeforaOS Desktop Panel */
							/* This program is free software: you can redistribute it and/or modify
							 * it under the terms of the GNU General Public License as published by
							 * the Free Software Foundation, version 3 of the License.
							 *
							 * This program is distributed in the hope that it will be useful,
							 * but WITHOUT ANY WARRANTY; without even the implied warranty of
							 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
							 * GNU General Public License for more details.
							 *
							 * You should have received a copy of the GNU General Public License
							 * along with this program.  If not, see <http://www.gnu.org/licenses/>. */
							#include <unistd.h>
							#include <stdio.h>
							#include <string.h>
							#include <locale.h>
							#include <libintl.h>
							#include <gtk/gtk.h>
							#include <Desktop.h>
							#include "panel.h"
							#include "../config.h"
							#define _(string) gettext(string)
							/* constants */
							#ifndef PROGNAME_PANELCTL
							# define PROGNAME_PANELCTL	"panelctl"
							#endif
							#ifndef PREFIX
							# define PREFIX			"/usr/local"
							#endif
							#ifndef DATADIR
							# define DATADIR		PREFIX "/share"
							#endif
							#ifndef LOCALEDIR
							# define LOCALEDIR		DATADIR "/locale"
							#endif
							/* panelctl */
							/* private */
							/* prototypes */
							static int _panelctl(PanelMessageShow what, gboolean show);
							static int _error(char const * message, int ret);
							static int _usage(void);
							/* functions */
							static int _panelctl(PanelMessageShow what, gboolean show)
							{
								desktop_message_send(PANEL_CLIENT_MESSAGE, PANEL_MESSAGE_SHOW, what,
										show);
								return 0;
							}
							/* error */
							static int _error(char const * message, int ret)
							{
								fputs(PROGNAME_PANELCTL ": ", stderr);
								perror(message);
								return ret;
							}
							/* usage */
							static int _usage(void)
							{
								fprintf(stderr, _("Usage: %s [-B|-L|-R|-S|-T|-b|-l|-r|-t]\n"
							"  -B	Show the bottom panel\n"
							"  -L	Show the left panel\n"
							"  -R	Show the right panel\n"
							"  -S	Display or change settings\n"
							"  -T	Show the top panel\n"
							"  -b	Hide the bottom panel\n"
							"  -l	Hide the left panel\n"
							"  -r	Hide the right panel\n"
							"  -t	Hide the top panel\n"), PROGNAME_PANELCTL);
								return 1;
							}
							/* public */
							/* functions */
							/* main */
							int main(int argc, char * argv[])
							{
								int o;
								unsigned int what = 0;
								gboolean show = TRUE;
								if(setlocale(LC_ALL, "") == NULL)
									_error("setlocale", 1);
								bindtextdomain(PACKAGE, LOCALEDIR);
								textdomain(PACKAGE);
								gtk_init(&argc, &argv);
								while((o = getopt(argc, argv, "BLRSTblrt")) != -1)
									switch(o)
									{
										case 'B':
											what = show
												? what | PANEL_MESSAGE_SHOW_PANEL_BOTTOM
												: PANEL_MESSAGE_SHOW_PANEL_BOTTOM;
											show = TRUE;
											break;
										case 'L':
											what = show
												? what | PANEL_MESSAGE_SHOW_PANEL_LEFT
												: PANEL_MESSAGE_SHOW_PANEL_LEFT;
											show = TRUE;
											break;
										case 'R':
											what = show
												? what | PANEL_MESSAGE_SHOW_PANEL_RIGHT
												: PANEL_MESSAGE_SHOW_PANEL_RIGHT;
											show = TRUE;
											break;
										case 'S':
											what = show
												? what | PANEL_MESSAGE_SHOW_SETTINGS
												: PANEL_MESSAGE_SHOW_SETTINGS;
											show = TRUE;
											break;
										case 'T':
											what = show
												? what | PANEL_MESSAGE_SHOW_PANEL_TOP
												: PANEL_MESSAGE_SHOW_PANEL_TOP;
											show = TRUE;
											break;
										case 'b':
											what = show ? PANEL_MESSAGE_SHOW_PANEL_BOTTOM
												: what | PANEL_MESSAGE_SHOW_PANEL_BOTTOM;
											show = FALSE;
											break;
										case 'l':
											what = show ? PANEL_MESSAGE_SHOW_PANEL_LEFT
												: what | PANEL_MESSAGE_SHOW_PANEL_LEFT;
											show = FALSE;
											break;
										case 'r':
											what = show ? PANEL_MESSAGE_SHOW_PANEL_RIGHT
												: what | PANEL_MESSAGE_SHOW_PANEL_RIGHT;
											show = FALSE;
											break;
										case 't':
											what = show ? PANEL_MESSAGE_SHOW_PANEL_TOP
												: what | PANEL_MESSAGE_SHOW_PANEL_TOP;
											show = FALSE;
											break;
										default:
											return _usage();
									}
								if(argc != optind || what == 0)
									return _usage();
								return (_panelctl(what, show) == 0) ? 0 : 2;
							}
							