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 "client.hh"
  10 #include "screen.hh"
  11 #include "actions.hh"
  12 #include "otk/property.hh"
  13 #include "otk/display.hh"
  14 #include "otk/assassin.hh"
  15 #include "otk/util.hh" // TEMPORARY
  16
  17 extern "C" {
  18 #include <X11/cursorfont.h>
  19
  20 #ifdef    HAVE_STDIO_H
  21 #  include <stdio.h>
  22 #endif // HAVE_STDIO_H
  23
  24 #ifdef    HAVE_STDLIB_H
  25 #  include <stdlib.h>
  26 #endif // HAVE_STDLIB_H
  27
  28 #ifdef    HAVE_SIGNAL_H
  29 #  include <signal.h>
  30 #endif // HAVE_SIGNAL_H
  31
  32 #ifdef    HAVE_FCNTL_H
  33 #  include <fcntl.h>
  34 #endif // HAVE_FCNTL_H
  35
  36 #ifdef    HAVE_UNISTD_H
  37 #  include <sys/types.h>
  38 #  include <unistd.h>
  39 #endif // HAVE_UNISTD_H
  40
  41 #ifdef    HAVE_SYS_SELECT_H
  42 #  include <sys/select.h>
  43 #endif // HAVE_SYS_SELECT_H
  44
  45 #include "gettext.h"
  46 #define _(str) gettext(str)
  47 }
  48
  49 #include <algorithm>
  50
  51 namespace ob {
  52
  53 Openbox *Openbox::instance  = (Openbox *) 0;
  54 OBActions *Openbox::actions = (OBActions *) 0;
  55
  56
  57 void Openbox::signalHandler(int signal)
  58 {
  59   switch (signal) {
  60   case SIGHUP:
  61     // XXX: Do something with HUP? Really shouldn't, we get this when X shuts
  62     //      down and hangs-up on us.
  63
  64   case SIGINT:
  65   case SIGTERM:
  66   case SIGPIPE:
  67     printf("Caught signal %d. Exiting.\n", signal);
  68     instance->shutdown();
  69
  70     break;
  71   case SIGFPE:
  72   case SIGSEGV:
  73     printf("Caught signal %d. Aborting and dumping core.\n", signal);
  74     abort();
  75   }
  76 }
  77
  78
  79 Openbox::Openbox(int argc, char **argv)
  80   : otk::OtkEventDispatcher(),
  81     otk::OtkEventHandler()
  82 {
  83   struct sigaction action;
  84
  85   _state = State_Starting; // initializing everything
  86
  87   Openbox::instance = this;
  88
  89   _displayreq = (char*) 0;
  90   _argv0 = argv[0];
  91   _doshutdown = false;
  92   _rcfilepath = otk::expandTilde("~/.openbox/rc3");
  93
  94   parseCommandLine(argc, argv);
  95
  96   // TEMPORARY: using the xrdb rc3
  97   _config.setFile(_rcfilepath);
  98   if (!_config.load()) {
  99     printf("failed to load rc file %s\n", _config.file().c_str());
 100     ::exit(2);
 101   }
 102   std::string s;
 103   _config.getValue("session.styleFile", s);
 104   _config.setFile(s);
 105   if (!_config.load()) {
 106     printf("failed to load style %s\n", _config.file().c_str());
 107     ::exit(2);
 108   }
 109
 110   // open the X display (and gets some info about it, and its screens)
 111   otk::OBDisplay::initialize(_displayreq);
 112   assert(otk::OBDisplay::display);
 113
 114   // set up the signal handler
 115   action.sa_handler = Openbox::signalHandler;
 116   action.sa_mask = sigset_t();
 117   action.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
 118   sigaction(SIGPIPE, &action, (struct sigaction *) 0);
 119   sigaction(SIGSEGV, &action, (struct sigaction *) 0);
 120   sigaction(SIGFPE, &action, (struct sigaction *) 0);
 121   sigaction(SIGTERM, &action, (struct sigaction *) 0);
 122   sigaction(SIGINT, &action, (struct sigaction *) 0);
 123   sigaction(SIGHUP, &action, (struct sigaction *) 0);
 124
 125   _property = new otk::OBProperty();
 126
 127   Openbox::actions = new OBActions();
 128
 129   setMasterHandler(Openbox::actions); // set as the master event handler
 130
 131   // create the mouse cursors we'll use
 132   _cursors.session = XCreateFontCursor(otk::OBDisplay::display, XC_left_ptr);
 133   _cursors.move = XCreateFontCursor(otk::OBDisplay::display, XC_fleur);
 134   _cursors.ll_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ll_angle);
 135   _cursors.lr_angle = XCreateFontCursor(otk::OBDisplay::display, XC_lr_angle);
 136   _cursors.ul_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ul_angle);
 137   _cursors.ur_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ur_angle);
 138
 139   // initialize all the screens
 140   OBScreen *screen;
 141   screen = new OBScreen(0, _config);
 142   if (screen->managed()) {
 143     _screens.push_back(screen);
 144     _screens[0]->manageExisting();
 145     // XXX: "change to" the first workspace on the screen to initialize stuff
 146   } else
 147     delete screen;
 148
 149   if (_screens.empty()) {
 150     printf(_("No screens were found without a window manager. Exiting.\n"));
 151     ::exit(1);
 152   }
 153
 154   _state = State_Normal; // done starting
 155 }
 156
 157
 158 Openbox::~Openbox()
 159 {
 160   _state = State_Exiting; // time to kill everything
 161
 162   std::for_each(_screens.begin(), _screens.end(), otk::PointerAssassin());
 163
 164   // close the X display
 165   otk::OBDisplay::destroy();
 166 }
 167
 168
 169 void Openbox::parseCommandLine(int argc, char **argv)
 170 {
 171   bool err = false;
 172
 173   for (int i = 1; i < argc; ++i) {
 174     std::string arg(argv[i]);
 175
 176     if (arg == "-display") {
 177       if (++i >= argc)
 178         err = true;
 179       else
 180         _displayreq = argv[i];
 181     } else if (arg == "-rc") {
 182       if (++i >= argc)
 183         err = true;
 184       else
 185         _rcfilepath = argv[i];
 186     } else if (arg == "-menu") {
 187       if (++i >= argc)
 188         err = true;
 189       else
 190         _menufilepath = argv[i];
 191     } else if (arg == "-version") {
 192       showVersion();
 193       ::exit(0);
 194     } else if (arg == "-help") {
 195       showHelp();
 196       ::exit(0);
 197     } else
 198       err = true;
 199
 200     if (err) {
 201       showHelp();
 202       exit(1);
 203     }
 204   }
 205 }
 206
 207
 208 void Openbox::showVersion()
 209 {
 210   printf(_("Openbox - version %s\n"), OPENBOX_VERSION);
 211   printf("    (c) 2002 - 2002 Ben Jansens\n\n");
 212 }
 213
 214
 215 void Openbox::showHelp()
 216 {
 217   showVersion(); // show the version string and copyright
 218
 219   // print program usage and command line options
 220   printf(_("Usage: %s [OPTIONS...]\n\
 221   Options:\n\
 222   -display <string>  use display connection.\n\
 223   -rc <string>       use alternate resource file.\n\
 224   -menu <string>     use alternate menu file.\n\
 225   -version           display version and exit.\n\
 226   -help              display this help text and exit.\n\n"), _argv0);
 227
 228   printf(_("Compile time options:\n\
 229   Debugging: %s\n\
 230   Shape:     %s\n\
 231   Xinerama:  %s\n"),
 232 #ifdef    DEBUG
 233          _("yes"),
 234 #else // !DEBUG
 235          _("no"),
 236 #endif // DEBUG
 237
 238 #ifdef    SHAPE
 239          _("yes"),
 240 #else // !SHAPE
 241          _("no"),
 242 #endif // SHAPE
 243
 244 #ifdef    XINERAMA
 245          _("yes")
 246 #else // !XINERAMA
 247          _("no")
 248 #endif // XINERAMA
 249     );
 250 }
 251
 252
 253 void Openbox::eventLoop()
 254 {
 255   while (!_doshutdown) {
 256     dispatchEvents(); // from OtkEventDispatcher
 257     _timermanager.fire();
 258   }
 259 }
 260
 261
 262 void Openbox::addClient(Window window, OBClient *client)
 263 {
 264   _clients[window] = client;
 265 }
 266
 267
 268 void Openbox::removeClient(Window window)
 269 {
 270   _clients.erase(window);
 271 }
 272
 273
 274 OBClient *Openbox::findClient(Window window)
 275 {
 276   /*
 277     NOTE: we dont use _clients[] to find the value because that will insert
 278     a new null into the hash, which really sucks when we want to clean up the
 279     hash at shutdown!
 280   */
 281   ClientMap::iterator it = _clients.find(window);
 282   if (it != _clients.end())
 283     return it->second;
 284   else
 285     return (OBClient*) 0;
 286 }
 287
 288 }
 289