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
  27 #include <sys/wait.h>
  28 #include <unistd.h>
  29
  30 char *NOptionValueChanged = "NOptionValueChanged";
  31
  32
  33 #define MAX_DEATHS      64
  34
  35 struct {
  36         pid_t pid;
  37         void *data;
  38         void (*handler) (void *);
  39 } DeadHandlers[MAX_DEATHS];
  40
  41 static pid_t DeadChildren[MAX_DEATHS];
  42 static int DeadChildrenCount = 0;
  43
  44 static void wAbort(Bool foo)
  45 {
  46         exit(1);
  47 }
  48
  49 static void print_help(const char *progname)
  50 {
  51         printf(_("usage: %s [options]\n"), progname);
  52         puts(_("options:"));
  53         puts(_(" -display <display>     display to be used"));
  54         puts(_(" --version              print version number and exit"));
  55         puts(_(" --help         print this message and exit"));
  56 }
  57
  58 #if 0
  59 static RETSIGTYPE handleDeadChild(int sig)
  60 {
  61         pid_t pid;
  62         int status;
  63
  64         pid = waitpid(-1, &status, WNOHANG);
  65         if (pid > 0) {
  66                 DeadChildren[DeadChildrenCount++] = pid;
  67         }
  68 }
  69 #endif
  70
  71 void AddDeadChildHandler(pid_t pid, void (*handler) (void *), void *data)
  72 {
  73         int i;
  74
  75         for (i = 0; i < MAX_DEATHS; i++) {
  76                 if (DeadHandlers[i].pid == 0) {
  77                         DeadHandlers[i].pid = pid;
  78                         DeadHandlers[i].handler = handler;
  79                         DeadHandlers[i].data = data;
  80                         break;
  81                 }
  82         }
  83         assert(i != MAX_DEATHS);
  84 }
  85
  86 int main(int argc, char **argv)
  87 {
  88         Display *dpy;
  89         WMScreen *scr;
  90         char *path;
  91         int i;
  92         char *display_name = "";
  93
  94         wsetabort(wAbort);
  95
  96         memset(DeadHandlers, 0, sizeof(DeadHandlers));
  97
  98         WMInitializeApplication("WPrefs", &argc, argv);
  99
 100         WMSetResourcePath(RESOURCE_PATH);
 101         path = WMPathForResourceOfType("WPrefs.tiff", NULL);
 102         if (!path) {
 103                 /* maybe it is run directly from the source directory */
 104                 WMSetResourcePath(".");
 105                 path = WMPathForResourceOfType("WPrefs.tiff", NULL);
 106                 if (!path) {
 107                         WMSetResourcePath("..");
 108                 }
 109         }
 110         if (path) {
 111                 wfree(path);
 112         }
 113
 114         if (argc > 1) {
 115                 for (i = 1; i < argc; i++) {
 116                         if (strcmp(argv[i], "-version") == 0 || strcmp(argv[i], "--version") == 0) {
 117                                 printf("WPrefs (Window Maker) %s\n", VERSION);
 118                                 exit(0);
 119                         } else if (strcmp(argv[i], "-display") == 0) {
 120                                 i++;
 121                                 if (i >= argc) {
 122                                         wwarning(_("too few arguments for %s"), argv[i - 1]);
 123                                         exit(0);
 124                                 }
 125                                 display_name = argv[i];
 126                         } else {
 127                                 print_help(argv[0]);
 128                                 exit(0);
 129                         }
 130                 }
 131         }
 132
 133         setlocale(LC_ALL, "");
 134
 135 #ifdef I18N
 136         if (getenv("NLSPATH"))
 137                 bindtextdomain("WPrefs", getenv("NLSPATH"));
 138         else
 139                 bindtextdomain("WPrefs", LOCALEDIR);
 140         bind_textdomain_codeset("WPrefs", "UTF-8");
 141         textdomain("WPrefs");
 142
 143         if (!XSupportsLocale()) {
 144                 wwarning(_("X server does not support locale"));
 145         }
 146         if (XSetLocaleModifiers("") == NULL) {
 147                 wwarning(_("cannot set locale modifiers"));
 148         }
 149 #endif
 150
 151         dpy = XOpenDisplay(display_name);
 152         if (!dpy) {
 153                 wfatal(_("could not open display %s"), XDisplayName(display_name));
 154                 exit(0);
 155         }
 156 #if 0
 157         XSynchronize(dpy, 1);
 158 #endif
 159         scr = WMCreateScreen(dpy, DefaultScreen(dpy));
 160         if (!scr) {
 161                 wfatal(_("could not initialize application"));
 162                 exit(0);
 163         }
 164
 165         WMPLSetCaseSensitive(False);
 166
 167         Initialize(scr);
 168
 169         while (1) {
 170                 XEvent event;
 171
 172                 WMNextEvent(dpy, &event);
 173
 174                 while (DeadChildrenCount-- > 0) {
 175                         int i;
 176
 177                         for (i = 0; i < MAX_DEATHS; i++) {
 178                                 if (DeadChildren[i] == DeadHandlers[i].pid) {
 179                                         (*DeadHandlers[i].handler) (DeadHandlers[i].data);
 180                                         DeadHandlers[i].pid = 0;
 181                                 }
 182                         }
 183                 }
 184
 185                 WMHandleEvent(&event);
 186         }
 187 }