WPrefs.app/main.c

   1 /*
   2  *  WPrefs - Window Maker Preferences Program
   3  *
   4  *  Copyright (c) 1998-2003 Alfredo K. Kojima
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License along
  17  *  with this program; if not, write to the Free Software Foundation, Inc.,
  18  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #include "WPrefs.h"
  22
  23 #include <assert.h>
  24
  25 #include <X11/Xlocale.h>
  26 #include <X11/XKBlib.h>
  27
  28 #include <sys/wait.h>
  29 #include <unistd.h>
  30
  31 char *NOptionValueChanged = "NOptionValueChanged";
  32 Bool xext_xkb_supported = False;
  33
  34
  35 #define MAX_DEATHS      64
  36
  37 struct {
  38         pid_t pid;
  39         void *data;
  40         void (*handler) (void *);
  41 } DeadHandlers[MAX_DEATHS];
  42
  43 static pid_t DeadChildren[MAX_DEATHS];
  44 static int DeadChildrenCount = 0;
  45
  46 static void wAbort(Bool foo)
  47 {
  48         exit(1);
  49 }
  50
  51 static void print_help(const char *progname)
  52 {
  53         printf(_("usage: %s [options]\n"), progname);
  54         puts(_("options:"));
  55         puts(_(" -display <display>     display to be used"));
  56         puts(_(" --version              print version number and exit"));
  57         puts(_(" --help         print this message and exit"));
  58 }
  59
  60 #if 0
  61 static RETSIGTYPE handleDeadChild(int sig)
  62 {
  63         pid_t pid;
  64         int status;
  65
  66         pid = waitpid(-1, &status, WNOHANG);
  67         if (pid > 0) {
  68                 DeadChildren[DeadChildrenCount++] = pid;
  69         }
  70 }
  71 #endif
  72
  73 void AddDeadChildHandler(pid_t pid, void (*handler) (void *), void *data)
  74 {
  75         int i;
  76
  77         for (i = 0; i < MAX_DEATHS; i++) {
  78                 if (DeadHandlers[i].pid == 0) {
  79                         DeadHandlers[i].pid = pid;
  80                         DeadHandlers[i].handler = handler;
  81                         DeadHandlers[i].data = data;
  82                         break;
  83                 }
  84         }
  85         assert(i != MAX_DEATHS);
  86 }
  87
  88 int main(int argc, char **argv)
  89 {
  90         Display *dpy;
  91         WMScreen *scr;
  92         char *path;
  93         int i;
  94         char *display_name = "";
  95
  96         wsetabort(wAbort);
  97
  98         memset(DeadHandlers, 0, sizeof(DeadHandlers));
  99
 100         WMInitializeApplication("WPrefs", &argc, argv);
 101
 102         WMSetResourcePath(RESOURCE_PATH);
 103         path = WMPathForResourceOfType("WPrefs.tiff", NULL);
 104         if (!path) {
 105                 /* maybe it is run directly from the source directory */
 106                 WMSetResourcePath(".");
 107                 path = WMPathForResourceOfType("WPrefs.tiff", NULL);
 108                 if (!path) {
 109                         WMSetResourcePath("..");
 110                 }
 111         }
 112         if (path) {
 113                 wfree(path);
 114         }
 115
 116         if (argc > 1) {
 117                 for (i = 1; i < argc; i++) {
 118                         if (strcmp(argv[i], "-version") == 0 || strcmp(argv[i], "--version") == 0) {
 119                                 printf("WPrefs (Window Maker) %s\n", VERSION);
 120                                 exit(0);
 121                         } else if (strcmp(argv[i], "-display") == 0) {
 122                                 i++;
 123                                 if (i >= argc) {
 124                                         wwarning(_("too few arguments for %s"), argv[i - 1]);
 125                                         exit(0);
 126                                 }
 127                                 display_name = argv[i];
 128                         } else {
 129                                 print_help(argv[0]);
 130                                 exit(0);
 131                         }
 132                 }
 133         }
 134
 135         setlocale(LC_ALL, "");
 136
 137 #ifdef I18N
 138         if (getenv("NLSPATH"))
 139                 bindtextdomain("WPrefs", getenv("NLSPATH"));
 140         else
 141                 bindtextdomain("WPrefs", LOCALEDIR);
 142         bind_textdomain_codeset("WPrefs", "UTF-8");
 143         textdomain("WPrefs");
 144
 145         if (!XSupportsLocale()) {
 146                 wwarning(_("X server does not support locale"));
 147         }
 148         if (XSetLocaleModifiers("") == NULL) {
 149                 wwarning(_("cannot set locale modifiers"));
 150         }
 151 #endif
 152
 153         dpy = XOpenDisplay(display_name);
 154         if (!dpy) {
 155                 wfatal(_("could not open display %s"), XDisplayName(display_name));
 156                 exit(0);
 157         }
 158 #if 0
 159         XSynchronize(dpy, 1);
 160 #endif
 161         scr = WMCreateScreen(dpy, DefaultScreen(dpy));
 162         if (!scr) {
 163                 wfatal(_("could not initialize application"));
 164                 exit(0);
 165         }
 166
 167         xext_xkb_supported = XkbQueryExtension(dpy, NULL, NULL, NULL, NULL, NULL);
 168
 169         WMPLSetCaseSensitive(False);
 170
 171         Initialize(scr);
 172
 173         while (1) {
 174                 XEvent event;
 175
 176                 WMNextEvent(dpy, &event);
 177
 178                 while (DeadChildrenCount-- > 0) {
 179                         int i;
 180
 181                         for (i = 0; i < MAX_DEATHS; i++) {
 182                                 if (DeadChildren[i] == DeadHandlers[i].pid) {
 183                                         (*DeadHandlers[i].handler) (DeadHandlers[i].data);
 184                                         DeadHandlers[i].pid = 0;
 185                                 }
 186                         }
 187                 }
 188
 189                 WMHandleEvent(&event);
 190         }
 191 }