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
  55
  56 void Openbox::signalHandler(int signal)
  57 {
  58   switch (signal) {
  59   case SIGHUP:
  60     // XXX: Do something with HUP? Really shouldn't, we get this when X shuts
  61     //      down and hangs-up on us.
  62
  63   case SIGINT:
  64   case SIGTERM:
  65   case SIGPIPE:
  66     printf("Caught signal %d. Exiting.\n", signal);
  67     instance->shutdown();
  68
  69     break;
  70   case SIGFPE:
  71   case SIGSEGV:
  72     printf("Caught signal %d. Aborting and dumping core.\n", signal);
  73     abort();
  74   }
  75 }
  76
  77
  78 Openbox::Openbox(int argc, char **argv)
  79   : otk::OtkEventDispatcher(),
  80     otk::OtkEventHandler()
  81 {
  82   struct sigaction action;
  83
  84   _state = State_Starting; // initializing everything
  85
  86   Openbox::instance = this;
  87
  88   _displayreq = (char*) 0;
  89   _argv0 = argv[0];
  90   _doshutdown = false;
  91   _rcfilepath = otk::expandTilde("~/.openbox/rc3");
  92
  93   _clients = (PyDictObject*) PyDict_New();
  94   assert(_clients);
  95
  96   parseCommandLine(argc, argv);
  97
  98   // TEMPORARY: using the xrdb rc3
  99   _config.setFile(_rcfilepath);
 100   if (!_config.load()) {
 101     printf("failed to load rc file %s\n", _config.file().c_str());
 102     ::exit(2);
 103   }
 104   std::string s;
 105   _config.getValue("session.styleFile", s);
 106   _config.setFile(s);
 107   if (!_config.load()) {
 108     printf("failed to load style %s\n", _config.file().c_str());
 109     ::exit(2);
 110   }
 111
 112   // open the X display (and gets some info about it, and its screens)
 113   otk::OBDisplay::initialize(_displayreq);
 114   assert(otk::OBDisplay::display);
 115
 116   // set up the signal handler
 117   action.sa_handler = Openbox::signalHandler;
 118   action.sa_mask = sigset_t();
 119   action.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
 120   sigaction(SIGPIPE, &action, (struct sigaction *) 0);
 121   sigaction(SIGSEGV, &action, (struct sigaction *) 0);
 122   sigaction(SIGFPE, &action, (struct sigaction *) 0);
 123   sigaction(SIGTERM, &action, (struct sigaction *) 0);
 124   sigaction(SIGINT, &action, (struct sigaction *) 0);
 125   sigaction(SIGHUP, &action, (struct sigaction *) 0);
 126
 127   _property = new otk::OBProperty();
 128
 129   _actions = new OBActions();
 130
 131   setMasterHandler(_actions); // set as the master event handler
 132
 133   // create the mouse cursors we'll use
 134   _cursors.session = XCreateFontCursor(otk::OBDisplay::display, XC_left_ptr);
 135   _cursors.move = XCreateFontCursor(otk::OBDisplay::display, XC_fleur);
 136   _cursors.ll_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ll_angle);
 137   _cursors.lr_angle = XCreateFontCursor(otk::OBDisplay::display, XC_lr_angle);
 138   _cursors.ul_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ul_angle);
 139   _cursors.ur_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ur_angle);
 140
 141   // initialize all the screens
 142   OBScreen *screen;
 143   screen = new OBScreen(0, _config);
 144   if (screen->managed()) {
 145     _screens.push_back(screen);
 146     _screens[0]->manageExisting();
 147     // XXX: "change to" the first workspace on the screen to initialize stuff
 148   } else
 149     delete screen;
 150
 151   if (_screens.empty()) {
 152     printf(_("No screens were found without a window manager. Exiting.\n"));
 153     ::exit(1);
 154   }
 155
 156   // initialize the python interface
 157   Py_SetProgramName(argv[0]);
 158   Py_Initialize();
 159   initopenbox(); // initialize the static 'openbox' module
 160   FILE *rcpyfd = fopen("/home/natas/.openbox/user.py", "r");
 161   if (!rcpyfd) {
 162     printf("failed to load python file /home/natas/.openbox/user.py\n");
 163   } else {
 164     PyRun_SimpleFile(rcpyfd, "/home/natas/.openbox/user.py");
 165     fclose(rcpyfd);
 166   }
 167
 168   _state = State_Normal; // done starting
 169 }
 170
 171
 172 Openbox::~Openbox()
 173 {
 174   _state = State_Exiting; // time to kill everything
 175
 176   std::for_each(_screens.begin(), _screens.end(), otk::PointerAssassin());
 177
 178   // close the X display
 179   otk::OBDisplay::destroy();
 180 }
 181
 182
 183 void Openbox::parseCommandLine(int argc, char **argv)
 184 {
 185   bool err = false;
 186
 187   for (int i = 1; i < argc; ++i) {
 188     std::string arg(argv[i]);
 189
 190     if (arg == "-display") {
 191       if (++i >= argc)
 192         err = true;
 193       else
 194         _displayreq = argv[i];
 195     } else if (arg == "-rc") {
 196       if (++i >= argc)
 197         err = true;
 198       else
 199         _rcfilepath = argv[i];
 200     } else if (arg == "-menu") {
 201       if (++i >= argc)
 202         err = true;
 203       else
 204         _menufilepath = argv[i];
 205     } else if (arg == "-version") {
 206       showVersion();
 207       ::exit(0);
 208     } else if (arg == "-help") {
 209       showHelp();
 210       ::exit(0);
 211     } else
 212       err = true;
 213
 214     if (err) {
 215       showHelp();
 216       exit(1);
 217     }
 218   }
 219 }
 220
 221
 222 void Openbox::showVersion()
 223 {
 224   printf(_("Openbox - version %s\n"), OPENBOX_VERSION);
 225   printf("    (c) 2002 - 2002 Ben Jansens\n\n");
 226 }
 227
 228
 229 void Openbox::showHelp()
 230 {
 231   showVersion(); // show the version string and copyright
 232
 233   // print program usage and command line options
 234   printf(_("Usage: %s [OPTIONS...]\n\
 235   Options:\n\
 236   -display <string>  use display connection.\n\
 237   -rc <string>       use alternate resource file.\n\
 238   -menu <string>     use alternate menu file.\n\
 239   -version           display version and exit.\n\
 240   -help              display this help text and exit.\n\n"), _argv0);
 241
 242   printf(_("Compile time options:\n\
 243   Debugging: %s\n\
 244   Shape:     %s\n\
 245   Xinerama:  %s\n"),
 246 #ifdef    DEBUG
 247          _("yes"),
 248 #else // !DEBUG
 249          _("no"),
 250 #endif // DEBUG
 251
 252 #ifdef    SHAPE
 253          _("yes"),
 254 #else // !SHAPE
 255          _("no"),
 256 #endif // SHAPE
 257
 258 #ifdef    XINERAMA
 259          _("yes")
 260 #else // !XINERAMA
 261          _("no")
 262 #endif // XINERAMA
 263     );
 264 }
 265
 266
 267 void Openbox::eventLoop()
 268 {
 269   while (!_doshutdown) {
 270     dispatchEvents(); // from OtkEventDispatcher
 271     _timermanager.fire();
 272   }
 273 }
 274
 275
 276 void Openbox::addClient(Window window, OBClient *client)
 277 {
 278   // maintain the python list here too
 279   PyDict_SetItem((PyObject*)_clients, PyLong_FromLong(window),
 280                  (PyObject*)client);
 281 }
 282
 283
 284 void Openbox::removeClient(Window window)
 285 {
 286   PyDict_DelItem((PyObject*)_clients, PyLong_FromLong(window));
 287 }
 288
 289
 290 OBClient *Openbox::findClient(Window window)
 291 {
 292   PyClientObject *client = PyDist_GetItem((PyObject*)_clients,
 293                                           PyLong_FromLong(window));
 294   if (client)
 295     return client->client;
 296   return 0;
 297 }
 298
 299 }
 300