Use mgLib's `msg' box rather than doing things the hard way.

[xtoys] / xshutdown.c

/* -*-c-*-
 *
 * $Id: xshutdown.c,v 1.6 1998/12/11 09:51:51 mdw Exp $
 *
 * Pretty GTK interface to waking up an xwait
 *
 * (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: xshutdown.c,v $
 * Revision 1.6  1998/12/11 09:51:51  mdw
 * Use mgLib's `msg' box rather than doing things the hard way.
 *
 * Revision 1.5  1998/12/03 01:00:19  mdw
 * Honour escape presses in the dialogue boxes.
 *
 * Revision 1.4  1998/12/03 00:39:45  mdw
 * Force focus when starting up.
 *
 * Revision 1.3  1998/11/30 22:36:49  mdw
 * Tidy up tabbing in help texts very slightly.
 *
 * Revision 1.2  1998/11/21 22:30:23  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 <gtk/gtk.h>
#include <gdk/gdkprivate.h>
#include <gdk/gdkkeysyms.h>

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

#include <mgLib/msg.h>

#include "xwait.h"

/*----- Static variables --------------------------------------------------*/

static char *atom = XWAIT_DIE;
static char *xmsg = XWAIT_DIE_MSG;

static Atom xwait_die;

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

/* --- @version@ --- */

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

/* --- @usage@ --- */

static void usage(FILE *fp)
{
  fprintf(fp, "Usage: %s [-a ATOM] [-m MSG] [-p PROMPT] [-t TITLE]\n", QUIS);
}

/* --- @main@ --- *
 *
 * Main program.
 */

int main(int argc, char *argv[])
{
  char *prompt = "Are you sure you want to shut down this session?";
  char *title = "xshutdown";
  ego(argv[0]);
  gtk_init(&argc, &argv);

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

  for (;;) {
    static struct option opt[] = {
      { "help", 0,			0,	'h' },
      { "usage", 0,			0,	'u' },
      { "version", 0,			0,	'v' },
      { "atom",	required_argument,	0,	'a' },
      { "msg",	required_argument,	0,	'm' },
      { "prompt", required_argument,	0,	'p' },
      { "title", required_argument,	0,	't' },
      { 0,	0,			0,	0 }
    };
    int i;

    i = getopt_long(argc, argv, "huv a:m:p:t:", opt, 0);

    if (i < 0)
      break;

    switch (i) {
      case 'h':
	version(stdout);
	fputs("\n", stdout);
	usage(stdout);
	fputs(
"\n"
"Kills a waiting `xwait' process.  Pops up a confirmation window first.\n"
"\n"
"Options available are:\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"
"-a, --atom=ATOM\t	Select the atom that `xwait' is waiting for\n"
"-m, --msg=MSG		Select the message to send to `xwait'\n"
"-p, --prompt=PROMPT	Select the prompt string in the confirmation box\n"
"-t, --title=TITLE	Select the title string in the confirmation box\n",
          stdout);
	exit(0);
	break;
      case 'u':
	usage(stdout);
	exit(0);
	break;
      case 'v':
	version(stdout);
	exit(0);
	break;
	
      case 'a':
	atom = optarg;
	break;
      case 'm':
	xmsg = optarg;
	break;
      case 'p':
	prompt = optarg;
	break;
      case 't':
	title = optarg;
	break;
      default:
	usage(stderr);
	exit(EXIT_FAILURE);
    }
  }

  xwait_die = XInternAtom(gdk_display, atom, False);

  /* --- Decide whether there's an xwait listening --- *
   *
   * If not, pop up an error box and quit.
   */

  {
    XTextProperty prop;

    if (!XGetTextProperty(gdk_display, DefaultRootWindow(gdk_display),
			  &prop, xwait_die)) {
      msg("!:~OK", "no xwait listening for `%s'", atom);
      exit(EXIT_FAILURE);
    }
  }

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

  if (msg("!:OK,~Cancel", "%s", prompt) == 0) {
    XTextProperty prop;
    XStringListToTextProperty(&xmsg, 1, &prop);
    XSetTextProperty(gdk_display, DefaultRootWindow(gdk_display),
		     &prop, xwait_die);
  }

  return (0);
}

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