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

   1 /* -*-c-*-
   2  *
   3  * $Id: xshutdown.c,v 1.5 1998/12/03 01:00:19 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 1.5  1998/12/03 01:00:19  mdw
  33  * Honour escape presses in the dialogue boxes.
  34  *
  35  * Revision 1.4  1998/12/03 00:39:45  mdw
  36  * Force focus when starting up.
  37  *
  38  * Revision 1.3  1998/11/30 22:36:49  mdw
  39  * Tidy up tabbing in help texts very slightly.
  40  *
  41  * Revision 1.2  1998/11/21 22:30:23  mdw
  42  * Support GNU-style long options throughout, and introduce proper help
  43  * text to all programs.  Update manual pages to match.
  44  *
  45  * Revision 1.1  1998/11/16 23:00:49  mdw
  46  * Initial versions.
  47  *
  48  */
  49
  50 /*----- Header files ------------------------------------------------------*/
  51
  52 #include <stdio.h>
  53 #include <stdlib.h>
  54 #include <string.h>
  55
  56 #include <X11/Xlib.h>
  57 #include <X11/Xutil.h>
  58
  59 #include <gtk/gtk.h>
  60 #include <gdk/gdkprivate.h>
  61 #include <gdk/gdkkeysyms.h>
  62
  63 #include "mdwfocus.h"
  64 #include "mdwopt.h"
  65 #include "quis.h"
  66 #include "xwait.h"
  67
  68 /*----- Static variables --------------------------------------------------*/
  69
  70 static char *atom = XWAIT_DIE;
  71 static char *msg = XWAIT_DIE_MSG;
  72
  73 static Atom xwait_die;
  74
  75 /*----- Main code ---------------------------------------------------------*/
  76
  77 /* --- @check_escape@ --- *
  78  *
  79  * Arguments:   @GtkWidget *w@ = widget raising the signal
  80  *              @GdkEventKey *ev@ = pointer to event data
  81  *              @gpointer *p@ = widget to activate in response
  82  *
  83  * Returns:     ---
  84  *
  85  * Use:         Activates a widget when an escape keypress is detected.
  86  */
  87
  88 static gboolean check_escape(GtkWidget *w, GdkEventKey *ev, gpointer *p)
  89 {
  90   if (ev->keyval == GDK_Escape) {
  91     if (p)
  92       gtk_widget_activate(GTK_WIDGET(p));
  93     else
  94       gtk_object_destroy(GTK_OBJECT(w));
  95     return (1);
  96   }
  97   return (0);
  98 }
  99
 100 /* --- @cancel@ --- *
 101  *
 102  * Just end the main loop.
 103  */
 104
 105 static void cancel(GtkWidget *w, gpointer *p)
 106 {
 107   gtk_main_quit();
 108 }
 109
 110 /* --- @ok@ --- *
 111  *
 112  * Send the xwait process a message.
 113  */
 114
 115 static void ok(GtkWidget *w, gpointer *p)
 116 {
 117   XTextProperty prop;
 118   XStringListToTextProperty(&msg, 1, &prop);
 119   XSetTextProperty(gdk_display, DefaultRootWindow(gdk_display),
 120                    &prop, xwait_die);
 121   gtk_main_quit();
 122 }
 123
 124 /* --- @version@ --- */
 125
 126 static void version(FILE *fp)
 127 {
 128   fprintf(fp, "%s (xtoys version " VERSION ")\n", QUIS);
 129 }
 130
 131 /* --- @usage@ --- */
 132
 133 static void usage(FILE *fp)
 134 {
 135   fprintf(fp, "Usage: %s [-a ATOM] [-m MSG] [-p PROMPT] [-t TITLE]\n", QUIS);
 136 }
 137
 138 /* --- @main@ --- *
 139  *
 140  * Main program.
 141  */
 142
 143 int main(int argc, char *argv[])
 144 {
 145   char *prompt = "Are you sure you want to shut down this session?";
 146   char *title = "xshutdown";
 147   ego(argv[0]);
 148   gtk_init(&argc, &argv);
 149
 150   /* --- Parse options --- */
 151
 152   for (;;) {
 153     static struct option opt[] = {
 154       { "help", 0,                      0,      'h' },
 155       { "usage", 0,                     0,      'u' },
 156       { "version", 0,                   0,      'v' },
 157       { "atom", required_argument,      0,      'a' },
 158       { "msg",  required_argument,      0,      'm' },
 159       { "prompt", required_argument,    0,      'p' },
 160       { "title", required_argument,     0,      't' },
 161       { 0,      0,                      0,      0 }
 162     };
 163     int i;
 164
 165     i = getopt_long(argc, argv, "huv a:m:p:t:", opt, 0);
 166
 167     if (i < 0)
 168       break;
 169
 170     switch (i) {
 171       case 'h':
 172         version(stdout);
 173         fputs("\n", stdout);
 174         usage(stdout);
 175         fputs(
 176 "\n"
 177 "Kills a waiting `xwait' process.  Pops up a confirmation window first.\n"
 178 "\n"
 179 "Options available are:\n"
 180 "\n"
 181 "-h, --help             Display this help text\n"
 182 "-u, --usage            Display a short usage summary\n"
 183 "-v, --version          Display the program's version number\n"
 184 "\n"
 185 "-a, --atom=ATOM\t      Select the atom that `xwait' is waiting for\n"
 186 "-m, --msg=MSG          Select the message to send to `xwait'\n"
 187 "-p, --prompt=PROMPT    Select the prompt string in the confirmation box\n"
 188 "-t, --title=TITLE      Select the title string in the confirmation box\n",
 189           stdout);
 190         exit(0);
 191         break;
 192       case 'u':
 193         usage(stdout);
 194         exit(0);
 195         break;
 196       case 'v':
 197         version(stdout);
 198         exit(0);
 199         break;
 200
 201       case 'a':
 202         atom = optarg;
 203         break;
 204       case 'm':
 205         msg = optarg;
 206         break;
 207       case 'p':
 208         prompt = optarg;
 209         break;
 210       case 't':
 211         title = optarg;
 212         break;
 213       default:
 214         usage(stderr);
 215         exit(EXIT_FAILURE);
 216     }
 217   }
 218
 219   xwait_die = XInternAtom(gdk_display, atom, False);
 220
 221   /* --- Decide whether there's an xwait listening --- *
 222    *
 223    * If not, pop up an error box and quit.
 224    */
 225
 226   {
 227     XTextProperty prop;
 228
 229     if (!XGetTextProperty(gdk_display, DefaultRootWindow(gdk_display),
 230                           &prop, xwait_die)) {
 231       char buf[64];
 232       GtkWidget *win = gtk_dialog_new();
 233       GtkWidget *w;
 234
 235       /* --- Make the main window --- */
 236
 237       gtk_window_set_title(GTK_WINDOW(win), "xshutdown");
 238       gtk_signal_connect(GTK_OBJECT(win), "destroy",
 239                        GTK_SIGNAL_FUNC(cancel), 0);
 240       gtk_signal_connect(GTK_OBJECT(win), "key_press_event",
 241                          GTK_SIGNAL_FUNC(check_escape), 0);
 242
 243       gtk_box_set_homogeneous(GTK_BOX(GTK_DIALOG(win)->action_area), 0);
 244
 245       /* --- Make the label --- */
 246
 247       sprintf(buf, "no xwait listening for `%s'\n", atom);
 248       w = gtk_label_new(buf);
 249       gtk_box_pack_start(GTK_BOX(GTK_DIALOG(win)->vbox), w, 1, 1, 0);
 250       gtk_misc_set_padding(GTK_MISC(w), 8, 8);
 251       gtk_widget_show(w);
 252
 253       /* --- Make the little button --- */
 254
 255       w = gtk_button_new_with_label("OK");
 256       gtk_box_pack_end(GTK_BOX(GTK_DIALOG(win)->action_area), w, 0, 0, 0);
 257       GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
 258       gtk_widget_grab_default(w);
 259       gtk_signal_connect(GTK_OBJECT(w), "clicked",
 260                          GTK_SIGNAL_FUNC(cancel), 0);
 261       gtk_widget_show(w);
 262
 263       /* --- Make everything work --- */
 264
 265       gtk_widget_realize(win);
 266       mdwfocus(win);
 267       gtk_widget_show(win);
 268       gtk_main();
 269       exit(EXIT_FAILURE);
 270     }
 271   }
 272
 273   /* --- Main code --- */
 274
 275   {
 276     GtkWidget *win;
 277     GtkWidget *w;
 278
 279     /* --- Make the main dialogue box --- */
 280
 281     win = gtk_dialog_new();
 282     gtk_window_set_title(GTK_WINDOW(win), title);
 283     gtk_signal_connect(GTK_OBJECT(win), "destroy",
 284                        GTK_SIGNAL_FUNC(cancel), 0);
 285
 286     gtk_box_set_homogeneous(GTK_BOX(GTK_DIALOG(win)->action_area), 0);
 287
 288     /* --- Make the prompt label --- */
 289
 290     w = gtk_label_new(prompt);
 291     gtk_box_pack_start(GTK_BOX(GTK_DIALOG(win)->vbox), w, 1, 1, 0);
 292     gtk_misc_set_padding(GTK_MISC(w), 8, 8);
 293     gtk_widget_show(w);
 294
 295     /* --- Make the OK button --- */
 296
 297     w = gtk_button_new_with_label("OK");
 298     gtk_box_pack_end(GTK_BOX(GTK_DIALOG(win)->action_area), w, 0, 0, 0);
 299     gtk_signal_connect(GTK_OBJECT(w), "clicked", GTK_SIGNAL_FUNC(ok), 0);
 300     GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
 301     gtk_widget_show(w);
 302     gtk_widget_grab_default(w);
 303
 304     /* --- And the cancel button --- */
 305
 306     w = gtk_button_new_with_label("Cancel");
 307     gtk_box_pack_end(GTK_BOX(GTK_DIALOG(win)->action_area), w, 0, 0, 0);
 308     gtk_signal_connect(GTK_OBJECT(w), "clicked", GTK_SIGNAL_FUNC(cancel), 0);
 309     GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
 310     gtk_widget_show(w);
 311
 312     /* --- Show the completed window --- */
 313
 314     gtk_signal_connect(GTK_OBJECT(win), "key_press_event",
 315                        GTK_SIGNAL_FUNC(check_escape), 0);
 316     gtk_widget_realize(win);
 317     mdwfocus(win);
 318     gtk_widget_show(win);
 319   }
 320
 321   /* --- Let rip --- */
 322
 323   gtk_main();
 324   return (0);
 325 }
 326
 327 /*----- That's all, folks -------------------------------------------------*/