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
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19  *  USA.
  20  */
  21
  22 #include "WPrefs.h"
  23
  24 #include <assert.h>
  25
  26 #include <X11/Xlocale.h>
  27
  28 #include <sys/wait.h>
  29 #include <unistd.h>
  30
  31 char *NOptionValueChanged = "NOptionValueChanged";
  32
  33 extern void Initialize(WMScreen * scr);
  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 void wAbort(Bool foo)
  47 {
  48         exit(1);
  49 }
  50
  51 static void print_help(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 *locale, *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         locale = getenv("LANG");
 136         setlocale(LC_ALL, "");
 137
 138 #ifdef I18N
 139         if (getenv("NLSPATH"))
 140                 bindtextdomain("WPrefs", getenv("NLSPATH"));
 141         else
 142                 bindtextdomain("WPrefs", LOCALEDIR);
 143         bind_textdomain_codeset("WPrefs", "UTF-8");
 144         textdomain("WPrefs");
 145
 146         if (!XSupportsLocale()) {
 147                 wwarning(_("X server does not support locale"));
 148         }
 149         if (XSetLocaleModifiers("") == NULL) {
 150                 wwarning(_("cannot set locale modifiers"));
 151         }
 152 #endif
 153
 154         dpy = XOpenDisplay(display_name);
 155         if (!dpy) {
 156                 wfatal(_("could not open display %s"), XDisplayName(display_name));
 157                 exit(0);
 158         }
 159 #if 0
 160         XSynchronize(dpy, 1);
 161 #endif
 162         scr = WMCreateScreen(dpy, DefaultScreen(dpy));
 163         if (!scr) {
 164                 wfatal(_("could not initialize application"));
 165                 exit(0);
 166         }
 167
 168         WMPLSetCaseSensitive(False);
 169
 170         Initialize(scr);
 171
 172         while (1) {
 173                 XEvent event;
 174
 175                 WMNextEvent(dpy, &event);
 176
 177                 while (DeadChildrenCount-- > 0) {
 178                         int i;
 179
 180                         for (i = 0; i < MAX_DEATHS; i++) {
 181                                 if (DeadChildren[i] == DeadHandlers[i].pid) {
 182                                         (*DeadHandlers[i].handler) (DeadHandlers[i].data);
 183                                         DeadHandlers[i].pid = 0;
 184                                 }
 185                         }
 186                 }
 187
 188                 WMHandleEvent(&event);
 189         }
 190 }