Dogcows Code - chaz/openbox/blob - src/openbox.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; -*-
   2
   3 #ifdef HAVE_CONFIG_H
   4 # include "../config.h"
   5 #endif
   6
   7 #include "../version.h"
   8 #include "openbox.hh"
   9 #include "otk/property.hh"
  10 #include "otk/display.hh"
  11
  12 extern "C" {
  13 #ifdef    HAVE_STDIO_H
  14 #  include <stdio.h>
  15 #endif // HAVE_STDIO_H
  16
  17 #ifdef    HAVE_STDLIB_H
  18 #  include <stdlib.h>
  19 #endif // HAVE_STDLIB_H
  20
  21 #ifdef    HAVE_SIGNAL_H
  22 #  include <signal.h>
  23 #endif // HAVE_SIGNAL_H
  24
  25 #ifdef    HAVE_FCNTL_H
  26 #  include <fcntl.h>
  27 #endif // HAVE_FCNTL_H
  28
  29 #ifdef    HAVE_UNISTD_H
  30 #  include <sys/types.h>
  31 #  include <unistd.h>
  32 #endif // HAVE_UNISTD_H
  33
  34 #ifdef    HAVE_SYS_SELECT_H
  35 #  include <sys/select.h>
  36 #endif // HAVE_SYS_SELECT_H
  37
  38 #include "gettext.h"
  39 #define _(str) gettext(str)
  40 }
  41
  42 namespace ob {
  43
  44 Openbox *Openbox::instance = (Openbox *) 0;
  45
  46
  47 void Openbox::signalHandler(int signal)
  48 {
  49   switch (signal) {
  50   case SIGHUP:
  51     // XXX: Do something with HUP? Really shouldn't, we get this when X shuts
  52     //      down and hangs-up on us.
  53
  54   case SIGINT:
  55   case SIGTERM:
  56   case SIGPIPE:
  57     printf("Caught signal %d. Exiting.", signal);
  58     instance->shutdown();
  59
  60     break;
  61   case SIGFPE:
  62   case SIGSEGV:
  63     printf("Caught signal %d. Aborting and dumping core.", signal);
  64     abort();
  65   }
  66 }
  67
  68
  69 Openbox::Openbox(int argc, char **argv)
  70 {
  71   struct sigaction action;
  72
  73   _state = State_Starting; // initializing everything
  74
  75   Openbox::instance = this;
  76
  77   _displayreq = (char*) 0;
  78   _argv0 = argv[0];
  79   _doshutdown = false;
  80
  81   parseCommandLine(argc, argv);
  82
  83   // open the X display (and gets some info about it, and its screens)
  84   otk::OBDisplay::initialize(_displayreq);
  85   assert(otk::OBDisplay::display);
  86
  87   // set up the signal handler
  88   action.sa_handler = Openbox::signalHandler;
  89   action.sa_mask = sigset_t();
  90   action.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
  91   sigaction(SIGPIPE, &action, (struct sigaction *) 0);
  92   sigaction(SIGSEGV, &action, (struct sigaction *) 0);
  93   sigaction(SIGFPE, &action, (struct sigaction *) 0);
  94   sigaction(SIGTERM, &action, (struct sigaction *) 0);
  95   sigaction(SIGINT, &action, (struct sigaction *) 0);
  96   sigaction(SIGHUP, &action, (struct sigaction *) 0);
  97
  98   _property = new otk::OBProperty();
  99
 100
 101   _state = State_Normal; // done starting
 102 }
 103
 104
 105 Openbox::~Openbox()
 106 {
 107   _state = State_Exiting; // time to kill everything
 108
 109   // unmanage all windows
 110   ClientMap::iterator it, end;
 111   for (it = _clients.begin(), end = _clients.end(); it != end; ++it) {
 112     _xeventhandler.unmanageWindow(it->second);
 113   }
 114
 115   // close the X display
 116   otk::OBDisplay::destroy();
 117 }
 118
 119
 120 void Openbox::parseCommandLine(int argc, char **argv)
 121 {
 122   bool err = false;
 123
 124   for (int i = 1; i < argc; ++i) {
 125     std::string arg(argv[i]);
 126
 127     if (arg == "-display") {
 128       if (++i >= argc)
 129         err = true;
 130       else
 131         _displayreq = argv[i];
 132     } else if (arg == "-rc") {
 133       if (++i >= argc)
 134         err = true;
 135       else
 136         _rcfilepath = argv[i];
 137     } else if (arg == "-menu") {
 138       if (++i >= argc)
 139         err = true;
 140       else
 141         _menufilepath = argv[i];
 142     } else if (arg == "-version") {
 143       showVersion();
 144       ::exit(0);
 145     } else if (arg == "-help") {
 146       showHelp();
 147       ::exit(0);
 148     } else
 149       err = true;
 150
 151     if (err) {
 152       showHelp();
 153       exit(1);
 154     }
 155   }
 156 }
 157
 158
 159 void Openbox::showVersion()
 160 {
 161   printf(_("Openbox - version %s\n"), OPENBOX_VERSION);
 162   printf("    (c) 2002 - 2002 Ben Jansens\n\n");
 163 }
 164
 165
 166 void Openbox::showHelp()
 167 {
 168   showVersion(); // show the version string and copyright
 169
 170   // print program usage and command line options
 171   printf(_("Usage: %s [OPTIONS...]\n\
 172   Options:\n\
 173   -display <string>  use display connection.\n\
 174   -rc <string>       use alternate resource file.\n\
 175   -menu <string>     use alternate menu file.\n\
 176   -version           display version and exit.\n\
 177   -help              display this help text and exit.\n\n"), _argv0);
 178
 179   printf(_("Compile time options:\n\
 180   Debugging: %s\n\
 181   Shape:     %s\n\
 182   Xinerama:  %s\n"),
 183 #ifdef    DEBUG
 184          _("yes"),
 185 #else // !DEBUG
 186          _("no"),
 187 #endif // DEBUG
 188
 189 #ifdef    SHAPE
 190          _("yes"),
 191 #else // !SHAPE
 192          _("no"),
 193 #endif // SHAPE
 194
 195 #ifdef    XINERAMA
 196          _("yes")
 197 #else // !XINERAMA
 198          _("no")
 199 #endif // XINERAMA
 200     );
 201 }
 202
 203
 204 void Openbox::eventLoop()
 205 {
 206   while (!_doshutdown) {
 207     if (XPending(otk::OBDisplay::display)) {
 208       XEvent e;
 209       XNextEvent(otk::OBDisplay::display, &e);
 210       //process_event(&e);
 211       _xeventhandler.handle(e);
 212     } else {
 213       _timermanager.fire();
 214     }
 215   }
 216 }
 217
 218
 219 void Openbox::addClient(Window window, OBClient *client)
 220 {
 221   _clients[window] = client;
 222 }
 223
 224
 225 void Openbox::removeClient(Window window)
 226 {
 227   _clients[window] = (OBClient *) 0;
 228 }
 229
 230
 231 OBClient *Openbox::findClient(Window window)
 232 {
 233   return _clients[window];
 234 }
 235
 236 }
 237