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         /* Parameter not used, but tell the compiler that it is ok */
  49         (void) foo;
  50
  51         exit(1);
  52 }
  53
  54 static void print_help(const char *progname)
  55 {
  56         printf(_("usage: %s [options]\n"), progname);
  57         puts(_("options:"));
  58         puts(_(" -display <display>     display to be used"));
  59         puts(_(" --version              print version number and exit"));
  60         puts(_(" --help         print this message and exit"));
  61 }
  62
  63 #if 0
  64 static RETSIGTYPE handleDeadChild(int sig)
  65 {
  66         pid_t pid;
  67         int status;
  68
  69         pid = waitpid(-1, &status, WNOHANG);
  70         if (pid > 0) {
  71                 DeadChildren[DeadChildrenCount++] = pid;
  72         }
  73 }
  74 #endif
  75
  76 void AddDeadChildHandler(pid_t pid, void (*handler) (void *), void *data)
  77 {
  78         int i;
  79
  80         for (i = 0; i < MAX_DEATHS; i++) {
  81                 if (DeadHandlers[i].pid == 0) {
  82                         DeadHandlers[i].pid = pid;
  83                         DeadHandlers[i].handler = handler;
  84                         DeadHandlers[i].data = data;
  85                         break;
  86                 }
  87         }
  88         assert(i != MAX_DEATHS);
  89 }
  90
  91 int main(int argc, char **argv)
  92 {
  93         Display *dpy;
  94         WMScreen *scr;
  95         char *path;
  96         int i;
  97         char *display_name = "";
  98
  99         wsetabort(wAbort);
 100
 101         memset(DeadHandlers, 0, sizeof(DeadHandlers));
 102
 103         WMInitializeApplication("WPrefs", &argc, argv);
 104
 105         WMSetResourcePath(RESOURCE_PATH);
 106         path = WMPathForResourceOfType("WPrefs.tiff", NULL);
 107         if (!path) {
 108                 /* maybe it is run directly from the source directory */
 109                 WMSetResourcePath(".");
 110                 path = WMPathForResourceOfType("WPrefs.tiff", NULL);
 111                 if (!path) {
 112                         WMSetResourcePath("..");
 113                 }
 114         }
 115         if (path) {
 116                 wfree(path);
 117         }
 118
 119         if (argc > 1) {
 120                 for (i = 1; i < argc; i++) {
 121                         if (strcmp(argv[i], "-version") == 0 || strcmp(argv[i], "--version") == 0) {
 122                                 printf("WPrefs (Window Maker) %s\n", VERSION);
 123                                 exit(0);
 124                         } else if (strcmp(argv[i], "-display") == 0) {
 125                                 i++;
 126                                 if (i >= argc) {
 127                                         wwarning(_("too few arguments for %s"), argv[i - 1]);
 128                                         exit(0);
 129                                 }
 130                                 display_name = argv[i];
 131                         } else {
 132                                 print_help(argv[0]);
 133                                 exit(0);
 134                         }
 135                 }
 136         }
 137
 138         setlocale(LC_ALL, "");
 139
 140 #ifdef I18N
 141         if (getenv("NLSPATH"))
 142                 bindtextdomain("WPrefs", getenv("NLSPATH"));
 143         else
 144                 bindtextdomain("WPrefs", LOCALEDIR);
 145         bind_textdomain_codeset("WPrefs", "UTF-8");
 146         textdomain("WPrefs");
 147
 148         if (!XSupportsLocale()) {
 149                 wwarning(_("X server does not support locale"));
 150         }
 151         if (XSetLocaleModifiers("") == NULL) {
 152                 wwarning(_("cannot set locale modifiers"));
 153         }
 154 #endif
 155
 156         dpy = XOpenDisplay(display_name);
 157         if (!dpy) {
 158                 wfatal(_("could not open display %s"), XDisplayName(display_name));
 159                 exit(0);
 160         }
 161 #if 0
 162         XSynchronize(dpy, 1);
 163 #endif
 164         scr = WMCreateScreen(dpy, DefaultScreen(dpy));
 165         if (!scr) {
 166                 wfatal(_("could not initialize application"));
 167                 exit(0);
 168         }
 169
 170         xext_xkb_supported = XkbQueryExtension(dpy, NULL, NULL, NULL, NULL, NULL);
 171
 172         WMPLSetCaseSensitive(False);
 173
 174         Initialize(scr);
 175
 176         while (1) {
 177                 XEvent event;
 178
 179                 WMNextEvent(dpy, &event);
 180
 181                 while (DeadChildrenCount-- > 0) {
 182                         int i;
 183
 184                         for (i = 0; i < MAX_DEATHS; i++) {
 185                                 if (DeadChildren[i] == DeadHandlers[i].pid) {
 186                                         (*DeadHandlers[i].handler) (DeadHandlers[i].data);
 187                                         DeadHandlers[i].pid = 0;
 188                                 }
 189                         }
 190                 }
 191
 192                 WMHandleEvent(&event);
 193         }
 194 }