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.\n", signal);
  58     instance->shutdown();
  59
  60     break;
  61   case SIGFPE:
  62   case SIGSEGV:
  63     printf("Caught signal %d. Aborting and dumping core.\n", 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   while (!_clients.empty())
 111     _xeventhandler.unmanageWindow(_clients.begin()->second);
 112
 113   // close the X display
 114   otk::OBDisplay::destroy();
 115 }
 116
 117
 118 void Openbox::parseCommandLine(int argc, char **argv)
 119 {
 120   bool err = false;
 121
 122   for (int i = 1; i < argc; ++i) {
 123     std::string arg(argv[i]);
 124
 125     if (arg == "-display") {
 126       if (++i >= argc)
 127         err = true;
 128       else
 129         _displayreq = argv[i];
 130     } else if (arg == "-rc") {
 131       if (++i >= argc)
 132         err = true;
 133       else
 134         _rcfilepath = argv[i];
 135     } else if (arg == "-menu") {
 136       if (++i >= argc)
 137         err = true;
 138       else
 139         _menufilepath = argv[i];
 140     } else if (arg == "-version") {
 141       showVersion();
 142       ::exit(0);
 143     } else if (arg == "-help") {
 144       showHelp();
 145       ::exit(0);
 146     } else
 147       err = true;
 148
 149     if (err) {
 150       showHelp();
 151       exit(1);
 152     }
 153   }
 154 }
 155
 156
 157 void Openbox::showVersion()
 158 {
 159   printf(_("Openbox - version %s\n"), OPENBOX_VERSION);
 160   printf("    (c) 2002 - 2002 Ben Jansens\n\n");
 161 }
 162
 163
 164 void Openbox::showHelp()
 165 {
 166   showVersion(); // show the version string and copyright
 167
 168   // print program usage and command line options
 169   printf(_("Usage: %s [OPTIONS...]\n\
 170   Options:\n\
 171   -display <string>  use display connection.\n\
 172   -rc <string>       use alternate resource file.\n\
 173   -menu <string>     use alternate menu file.\n\
 174   -version           display version and exit.\n\
 175   -help              display this help text and exit.\n\n"), _argv0);
 176
 177   printf(_("Compile time options:\n\
 178   Debugging: %s\n\
 179   Shape:     %s\n\
 180   Xinerama:  %s\n"),
 181 #ifdef    DEBUG
 182          _("yes"),
 183 #else // !DEBUG
 184          _("no"),
 185 #endif // DEBUG
 186
 187 #ifdef    SHAPE
 188          _("yes"),
 189 #else // !SHAPE
 190          _("no"),
 191 #endif // SHAPE
 192
 193 #ifdef    XINERAMA
 194          _("yes")
 195 #else // !XINERAMA
 196          _("no")
 197 #endif // XINERAMA
 198     );
 199 }
 200
 201
 202 void Openbox::eventLoop()
 203 {
 204   while (!_doshutdown) {
 205     if (XPending(otk::OBDisplay::display)) {
 206       XEvent e;
 207       XNextEvent(otk::OBDisplay::display, &e);
 208       //process_event(&e);
 209       _xeventhandler.handle(e);
 210     } else {
 211       _timermanager.fire();
 212     }
 213   }
 214 }
 215
 216
 217 void Openbox::addClient(Window window, OBClient *client)
 218 {
 219   _clients[window] = client;
 220 }
 221
 222
 223 void Openbox::removeClient(Window window)
 224 {
 225   ClientMap::iterator it = _clients.find(window);
 226   if (it != _clients.end())
 227     _clients.erase(it);
 228 }
 229
 230
 231 OBClient *Openbox::findClient(Window window)
 232 {
 233   /*
 234     NOTE: we dont use _clients[] to find the value because that will insert
 235     a new null into the hash, which really sucks when we want to clean up the
 236     hash at shutdown!
 237   */
 238   ClientMap::iterator it = _clients.find(window);
 239   if (it != _clients.end())
 240     return it->second;
 241   else
 242     return (OBClient*) 0;
 243 }
 244
 245 }
 246