mdw@git.distorted.org.uk Git - xtoys/blob - xshutdown.c

   1 /* -*-c-*-
   2  *
   3  * $Id: xshutdown.c,v 1.3 1998/11/30 22:36:49 mdw Exp $
   4  *
   5  * Pretty GTK interface to waking up an xwait
   6  *
   7  * (c) 1998 Straylight/Edgeware
   8  */
   9
  10 /*----- Licensing notice --------------------------------------------------*
  11  *
  12  * This file is part of the Edgeware X tools collection.
  13  *
  14  * X tools is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * X tools is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with X tools; if not, write to the Free Software Foundation,
  26  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  27  */
  28
  29 /*----- Revision history --------------------------------------------------*
  30  *
  31  * $Log: xshutdown.c,v $
  32  * Revision 1.3  1998/11/30 22:36:49  mdw
  33  * Tidy up tabbing in help texts very slightly.
  34  *
  35  * Revision 1.2  1998/11/21 22:30:23  mdw
  36  * Support GNU-style long options throughout, and introduce proper help
  37  * text to all programs.  Update manual pages to match.
  38  *
  39  * Revision 1.1  1998/11/16 23:00:49  mdw
  40  * Initial versions.
  41  *
  42  */
  43
  44 /*----- Header files ------------------------------------------------------*/
  45
  46 #include <stdio.h>
  47 #include <stdlib.h>
  48 #include <string.h>
  49
  50 #include <X11/Xlib.h>
  51 #include <X11/Xutil.h>
  52
  53 #include <gtk/gtk.h>
  54 #include <gdk/gdkprivate.h>
  55
  56 #include "mdwopt.h"
  57 #include "quis.h"
  58 #include "xwait.h"
  59
  60 /*----- Static variables --------------------------------------------------*/
  61
  62 static char *atom = XWAIT_DIE;
  63 static char *msg = XWAIT_DIE_MSG;
  64
  65 static Atom xwait_die;
  66
  67 /*----- Main code ---------------------------------------------------------*/
  68
  69 /* --- @cancel@ --- *
  70  *
  71  * Just end the main loop.
  72  */
  73
  74 static void cancel(GtkWidget *w, gpointer *p)
  75 {
  76   gtk_main_quit();
  77 }
  78
  79 /* --- @ok@ --- *
  80  *
  81  * Send the xwait process a message.
  82  */
  83
  84 static void ok(GtkWidget *w, gpointer *p)
  85 {
  86   XTextProperty prop;
  87   XStringListToTextProperty(&msg, 1, &prop);
  88   XSetTextProperty(gdk_display, DefaultRootWindow(gdk_display),
  89                    &prop, xwait_die);
  90   gtk_main_quit();
  91 }
  92
  93 /* --- @version@ --- */
  94
  95 static void version(FILE *fp)
  96 {
  97   fprintf(fp, "%s (xtoys version " VERSION ")\n", QUIS);
  98 }
  99
 100 /* --- @usage@ --- */
 101
 102 static void usage(FILE *fp)
 103 {
 104   fprintf(fp, "Usage: %s [-a ATOM] [-m MSG] [-p PROMPT] [-t TITLE]\n", QUIS);
 105 }
 106
 107 /* --- @main@ --- *
 108  *
 109  * Main program.
 110  */
 111
 112 int main(int argc, char *argv[])
 113 {
 114   char *prompt = "Are you sure you want to shut down this session?";
 115   char *title = "xshutdown";
 116   ego(argv[0]);
 117   gtk_init(&argc, &argv);
 118
 119   /* --- Parse options --- */
 120
 121   for (;;) {
 122     static struct option opt[] = {
 123       { "help", 0,                      0,      'h' },
 124       { "usage", 0,                     0,      'u' },
 125       { "version", 0,                   0,      'v' },
 126       { "atom", required_argument,      0,      'a' },
 127       { "msg",  required_argument,      0,      'm' },
 128       { "prompt", required_argument,    0,      'p' },
 129       { "title", required_argument,     0,      't' },
 130       { 0,      0,                      0,      0 }
 131     };
 132     int i;
 133
 134     i = getopt_long(argc, argv, "huv a:m:p:t:", opt, 0);
 135
 136     if (i < 0)
 137       break;
 138
 139     switch (i) {
 140       case 'h':
 141         version(stdout);
 142         fputs("\n", stdout);
 143         usage(stdout);
 144         fputs(
 145 "\n"
 146 "Kills a waiting `xwait' process.  Pops up a confirmation window first.\n"
 147 "\n"
 148 "Options available are:\n"
 149 "\n"
 150 "-h, --help             Display this help text\n"
 151 "-u, --usage            Display a short usage summary\n"
 152 "-v, --version          Display the program's version number\n"
 153 "\n"
 154 "-a, --atom=ATOM\t      Select the atom that `xwait' is waiting for\n"
 155 "-m, --msg=MSG          Select the message to send to `xwait'\n"
 156 "-p, --prompt=PROMPT    Select the prompt string in the confirmation box\n"
 157 "-t, --title=TITLE      Select the title string in the confirmation box\n",
 158           stdout);
 159         exit(0);
 160         break;
 161       case 'u':
 162         usage(stdout);
 163         exit(0);
 164         break;
 165       case 'v':
 166         version(stdout);
 167         exit(0);
 168         break;
 169
 170       case 'a':
 171         atom = optarg;
 172         break;
 173       case 'm':
 174         msg = optarg;
 175         break;
 176       case 'p':
 177         prompt = optarg;
 178         break;
 179       case 't':
 180         title = optarg;
 181         break;
 182       default:
 183         usage(stderr);
 184         exit(EXIT_FAILURE);
 185     }
 186   }
 187
 188   xwait_die = XInternAtom(gdk_display, atom, False);
 189
 190   /* --- Decide whether there's an xwait listening --- *
 191    *
 192    * If not, pop up an error box and quit.
 193    */
 194
 195   {
 196     XTextProperty prop;
 197
 198     if (!XGetTextProperty(gdk_display, DefaultRootWindow(gdk_display),
 199                           &prop, xwait_die)) {
 200       char buf[64];
 201       GtkWidget *win = gtk_dialog_new();
 202       GtkWidget *w;
 203
 204       /* --- Make the main window --- */
 205
 206       gtk_window_set_title(GTK_WINDOW(win), "xshutdown");
 207       gtk_signal_connect(GTK_OBJECT(win), "destroy",
 208                        GTK_SIGNAL_FUNC(cancel), 0);
 209
 210       gtk_box_set_homogeneous(GTK_BOX(GTK_DIALOG(win)->action_area), 0);
 211
 212       /* --- Make the label --- */
 213
 214       sprintf(buf, "no xwait listening for `%s'\n", atom);
 215       w = gtk_label_new(buf);
 216       gtk_box_pack_start(GTK_BOX(GTK_DIALOG(win)->vbox), w, 1, 1, 0);
 217       gtk_misc_set_padding(GTK_MISC(w), 8, 8);
 218       gtk_widget_show(w);
 219
 220       /* --- Make the little button --- */
 221
 222       w = gtk_button_new_with_label("OK");
 223       gtk_box_pack_end(GTK_BOX(GTK_DIALOG(win)->action_area), w, 0, 0, 0);
 224       GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
 225       gtk_widget_grab_default(w);
 226       gtk_signal_connect(GTK_OBJECT(w), "clicked",
 227                          GTK_SIGNAL_FUNC(cancel), 0);
 228       gtk_widget_show(w);
 229
 230       /* --- Make everything work --- */
 231
 232       gtk_widget_show(win);
 233       gtk_main();
 234       exit(EXIT_FAILURE);
 235     }
 236   }
 237
 238   /* --- Main code --- */
 239
 240   {
 241     GtkWidget *win;
 242     GtkWidget *w;
 243
 244     /* --- Make the main dialogue box --- */
 245
 246     win = gtk_dialog_new();
 247     gtk_window_set_title(GTK_WINDOW(win), title);
 248     gtk_signal_connect(GTK_OBJECT(win), "destroy",
 249                        GTK_SIGNAL_FUNC(cancel), 0);
 250
 251     gtk_box_set_homogeneous(GTK_BOX(GTK_DIALOG(win)->action_area), 0);
 252
 253     /* --- Make the prompt label --- */
 254
 255     w = gtk_label_new(prompt);
 256     gtk_box_pack_start(GTK_BOX(GTK_DIALOG(win)->vbox), w, 1, 1, 0);
 257     gtk_misc_set_padding(GTK_MISC(w), 8, 8);
 258     gtk_widget_show(w);
 259
 260     /* --- Make the OK button --- */
 261
 262     w = gtk_button_new_with_label("OK");
 263     gtk_box_pack_end(GTK_BOX(GTK_DIALOG(win)->action_area), w, 0, 0, 0);
 264     gtk_signal_connect(GTK_OBJECT(w), "clicked", GTK_SIGNAL_FUNC(ok), 0);
 265     GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
 266     gtk_widget_show(w);
 267     gtk_widget_grab_default(w);
 268
 269     /* --- And the cancel button --- */
 270
 271     w = gtk_button_new_with_label("Cancel");
 272     gtk_box_pack_end(GTK_BOX(GTK_DIALOG(win)->action_area), w, 0, 0, 0);
 273     gtk_signal_connect(GTK_OBJECT(w), "clicked", GTK_SIGNAL_FUNC(cancel), 0);
 274     GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
 275     gtk_widget_show(w);
 276
 277     /* --- Show the completed window --- */
 278
 279     gtk_widget_show(win);
 280   }
 281
 282   /* --- Let rip --- */
 283
 284   gtk_main();
 285   return (0);
 286 }
 287
 288 /*----- That's all, folks -------------------------------------------------*/