Minor edits.

[xtoys] / xtell.c

/* -*-c-*-
 *
 * $Id: xtell.c,v 1.5 1999/08/20 07:29:19 mdw Exp $
 *
 * Wake up a waiting xwait process
 *
 * (c) 1998 Straylight/Edgeware
 */

/*----- Licensing notice --------------------------------------------------* 
 *
 * This file is part of the Edgeware X tools collection.
 *
 * X tools 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; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * X tools 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 X tools; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

/*----- Revision history --------------------------------------------------* 
 *
 * $Log: xtell.c,v $
 * Revision 1.5  1999/08/20 07:29:19  mdw
 * New command line syntax, and new atom protocol.
 *
 * Revision 1.4  1998/12/11 09:50:06  mdw
 * Minor modifications to work with mLib and mgLib.
 *
 * Revision 1.3  1998/11/30 22:36:51  mdw
 * Tidy up tabbing in help texts very slightly.
 *
 * Revision 1.2  1998/11/21 22:30:25  mdw
 * Support GNU-style long options throughout, and introduce proper help
 * text to all programs.  Update manual pages to match.
 *
 * Revision 1.1  1998/11/16 23:00:49  mdw
 * Initial versions.
 *
 */

/*----- Header files ------------------------------------------------------*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <X11/Xlib.h>
#include <X11/Xutil.h>

#include <mLib/mdwopt.h>
#include <mLib/quis.h>
#include <mLib/report.h>

#include "xatom.h"
#include "xwait.h"

/*----- Main code ---------------------------------------------------------*/

static void version(FILE *fp)
{
  fprintf(fp, "%s (xtoys version " VERSION ")\n", QUIS);
}

static void usage(FILE *fp)
{
  fprintf(fp, "Usage: %s [-d DISPLAY] [ATOM:MSG]\n", QUIS);
}

int main(int argc, char *argv[])
{
  char *display = 0;
  Display *dpy;
  Atom a, m;
  char *atom = XWAIT_DIE;
  char *msg = XWAIT_DIE_MSG;

  /* --- Parse options --- */

  ego(argv[0]);

  for (;;) {
    static struct option opt[] = {
      { "help", 	0,		0,	'h' },
      { "usage", 	0,		0,	'u' },
      { "version", 	0,		0,	'v' },
      { "display", 	OPTF_ARGREQ,	0,	'd' },
      { "atom",		OPTF_ARGREQ,	0,	'a' },
      { "msg",		OPTF_ARGREQ,	0,	'm' },
      {	0,		0,		0,	0 }
    };

    int i = mdwopt(argc, argv, "d:a:m:", opt, 0, 0, 0);
    if (i < 0)
      break;
    switch (i) {
      case 'h':
	version(stdout);
	fputs("\n", stdout);
	usage(stdout);
	fputs(
"\n"
"Signals a waiting `xwait' process.  Specifically, writes a property\n"
"named ATOM to the X root window, with value MSG.\n"
"\n"
"Options:\n"
"\n"
"-h, --help		Display this help text\n"
"-u, --usage		Display a short usage summary\n"
"-v, --version		Display the program's version number\n"
"\n"
"-d, --display=DISPLAY	Choose X display to connect to\n"
"-a, --atom=ATOM\t	Choose property name to set [deprecated]\n"
"-m, --msg=MSG		Choose value of property to set [deprecated]\n",
          stdout);
	exit(0);
	break;
      case 'u':
	usage(stdout);
	exit(0);
	break;
      case 'v':
	version(stdout);
	exit(0);
	break;
	
      case 'd':
	display = optarg;
	break;
      case 'a':
	atom = optarg;
	break;
      case 'm':
	msg = optarg;
	break;
      default:
	usage(stderr);
	exit(EXIT_FAILURE);
	break;
    }
  }

  if (optind < argc) {
    char *p;
    if ((atom = strtok(argv[optind++], ":")) == 0)
      die(EXIT_FAILURE, "missing atom name");
    if ((p = strtok(0, ",")) != 0)
      msg = p;
  }

  if (optind < argc) {
    usage(stderr);
    exit(EXIT_FAILURE);
  }

  /* --- Set the property value and exit --- */

  if ((dpy = XOpenDisplay(display)) == 0)
    die(EXIT_FAILURE, "couldn't open display");

  a = XInternAtom(dpy, atom, False);
  m = XInternAtom(dpy, msg, False);
  xatom_set(dpy, DefaultRootWindow(dpy), a, m);

  XCloseDisplay(dpy);
  return (0);
}

/*----- That's all, folks -------------------------------------------------*/