WPrefs.app/main.c

   1 /*
   2  *  WPrefs - Window Maker Preferences Program
   3  *
   4  *  Copyright (c) 1998 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
  25 #include <assert.h>
  26
  27 #include <X11/Xlocale.h>
  28
  29 #include <sys/wait.h>
  30 #include <unistd.h>
  31
  32 extern void Initialize(WMScreen *scr);
  33
  34 #define MAX_DEATHS      64
  35
  36 struct {
  37     pid_t pid;
  38     void *data;
  39     void (*handler)(void*);
  40 } DeadHandlers[MAX_DEATHS];
  41
  42
  43 static pid_t DeadChildren[MAX_DEATHS];
  44 static int DeadChildrenCount = 0;
  45
  46 void
  47 wAbort(Bool foo)
  48 {
  49     exit(1);
  50 }
  51
  52
  53 static BOOL
  54 stringCompareHook(proplist_t pl1, proplist_t pl2)
  55 {
  56     char *str1, *str2;
  57
  58     str1 = PLGetString(pl1);
  59     str2 = PLGetString(pl2);
  60
  61     if (strcasecmp(str1, str2)==0)
  62       return YES;
  63     else
  64       return NO;
  65 }
  66
  67
  68 static void
  69 print_help(char *progname)
  70 {
  71     printf(_("usage: %s [options]\n"), progname);
  72     puts(_("options:"));
  73     puts(_(" -display <display> display to be used"));
  74     puts(_(" --version          print version number and exit"));
  75     puts(_(" --help             print this message and exit"));
  76 }
  77
  78
  79 #if 0
  80 static RETSIGTYPE
  81 handleDeadChild(int sig)
  82 {
  83     pid_t pid;
  84     int status;
  85
  86     pid = waitpid(-1, &status, WNOHANG);
  87     if (pid > 0) {
  88         DeadChildren[DeadChildrenCount++] = pid;
  89     }
  90 }
  91 #endif
  92
  93 void
  94 AddDeadChildHandler(pid_t pid, void (*handler)(void*), void *data)
  95 {
  96     int i;
  97
  98     for (i = 0; i < MAX_DEATHS; i++) {
  99         if (DeadHandlers[i].pid == 0) {
 100             DeadHandlers[i].pid = pid;
 101             DeadHandlers[i].handler = handler;
 102             DeadHandlers[i].data = data;
 103             break;
 104         }
 105     }
 106     assert(i!=MAX_DEATHS);
 107 }
 108
 109
 110 int
 111 main(int argc, char **argv)
 112 {
 113     Display *dpy;
 114     WMScreen *scr;
 115     char *locale;
 116     int i;
 117     char *display_name="";
 118
 119     wsetabort(wAbort);
 120
 121     memset(DeadHandlers, 0, sizeof(DeadHandlers));
 122
 123     WMInitializeApplication("WPrefs", &argc, argv);
 124
 125     if (argc>1) {
 126         for (i=1; i<argc; i++) {
 127             if (strcmp(argv[i], "-version")==0
 128                 || strcmp(argv[i], "--version")==0) {
 129                 printf("WPrefs (Window Maker) %s\n", WVERSION);
 130                 exit(0);
 131             } else if (strcmp(argv[i], "-display")==0) {
 132                 i++;
 133                 if (i>=argc) {
 134                     wwarning(_("too few arguments for %s"), argv[i-1]);
 135                     exit(0);
 136                 }
 137                 display_name = argv[i];
 138             } else {
 139                 print_help(argv[0]);
 140                 exit(0);
 141             }
 142         }
 143     }
 144
 145     locale = getenv("LANG");
 146     setlocale(LC_ALL, "");
 147
 148 #ifdef I18N
 149     if (getenv("NLSPATH"))
 150         bindtextdomain("WPrefs", getenv("NLSPATH"));
 151     else
 152         bindtextdomain("WPrefs", LOCALEDIR);
 153     textdomain("WPrefs");
 154
 155     if (!XSupportsLocale()) {
 156         wwarning(_("X server does not support locale"));
 157     }
 158     if (XSetLocaleModifiers("") == NULL) {
 159         wwarning(_("cannot set locale modifiers"));
 160     }
 161 #endif
 162
 163     dpy = XOpenDisplay(display_name);
 164     if (!dpy) {
 165         wfatal(_("could not open display %s"), XDisplayName(display_name));
 166         exit(0);
 167     }
 168 #if 1
 169     XSynchronize(dpy, 1);
 170 #endif
 171     scr = WMCreateScreen(dpy, DefaultScreen(dpy));
 172     if (!scr) {
 173         wfatal(_("could not initialize application"));
 174         exit(0);
 175     }
 176
 177     PLSetStringCmpHook(stringCompareHook);
 178
 179     Initialize(scr);
 180
 181     while (1) {
 182         XEvent event;
 183
 184         WMNextEvent(dpy, &event);
 185
 186         while (DeadChildrenCount-- > 0) {
 187             int i;
 188
 189             for (i=0; i<MAX_DEATHS; i++) {
 190                 if (DeadChildren[i] == DeadHandlers[i].pid) {
 191                     (*DeadHandlers[i].handler)(DeadHandlers[i].data);
 192                     DeadHandlers[i].pid = 0;
 193                 }
 194             }
 195         }
 196
 197         WMHandleEvent(&event);
 198     }
 199 }