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 "python_client.hh"
  13 #include "otk/property.hh"
  14 #include "otk/display.hh"
  15 #include "otk/assassin.hh"
  16 #include "otk/util.hh" // TEMPORARY
  17
  18 extern "C" {
  19 #include <X11/cursorfont.h>
  20
  21 #ifdef    HAVE_STDIO_H
  22 #  include <stdio.h>
  23 #endif // HAVE_STDIO_H
  24
  25 #ifdef    HAVE_STDLIB_H
  26 #  include <stdlib.h>
  27 #endif // HAVE_STDLIB_H
  28
  29 #ifdef    HAVE_SIGNAL_H
  30 #  include <signal.h>
  31 #endif // HAVE_SIGNAL_H
  32
  33 #ifdef    HAVE_FCNTL_H
  34 #  include <fcntl.h>
  35 #endif // HAVE_FCNTL_H
  36
  37 #ifdef    HAVE_UNISTD_H
  38 #  include <sys/types.h>
  39 #  include <unistd.h>
  40 #endif // HAVE_UNISTD_H
  41
  42 #ifdef    HAVE_SYS_SELECT_H
  43 #  include <sys/select.h>
  44 #endif // HAVE_SYS_SELECT_H
  45
  46 #include "gettext.h"
  47 #define _(str) gettext(str)
  48 }
  49
  50 #include <algorithm>
  51
  52 namespace ob {
  53
  54 Openbox *Openbox::instance  = (Openbox *) 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   _pyclients = PyDict_New();
  95   assert(_pyclients);
  96
  97   parseCommandLine(argc, argv);
  98
  99   // TEMPORARY: using the xrdb rc3
 100   _config.setFile(_rcfilepath);
 101   if (!_config.load()) {
 102     printf("failed to load rc file %s\n", _config.file().c_str());
 103     ::exit(2);
 104   }
 105   std::string s;
 106   _config.getValue("session.styleFile", s);
 107   _config.setFile(s);
 108   if (!_config.load()) {
 109     printf("failed to load style %s\n", _config.file().c_str());
 110     ::exit(2);
 111   }
 112
 113   // open the X display (and gets some info about it, and its screens)
 114   otk::OBDisplay::initialize(_displayreq);
 115   assert(otk::OBDisplay::display);
 116
 117   // set up the signal handler
 118   action.sa_handler = Openbox::signalHandler;
 119   action.sa_mask = sigset_t();
 120   action.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
 121   sigaction(SIGPIPE, &action, (struct sigaction *) 0);
 122   sigaction(SIGSEGV, &action, (struct sigaction *) 0);
 123   sigaction(SIGFPE, &action, (struct sigaction *) 0);
 124   sigaction(SIGTERM, &action, (struct sigaction *) 0);
 125   sigaction(SIGINT, &action, (struct sigaction *) 0);
 126   sigaction(SIGHUP, &action, (struct sigaction *) 0);
 127
 128   _property = new otk::OBProperty();
 129
 130   _actions = new OBActions();
 131
 132   setMasterHandler(_actions); // set as the master event handler
 133
 134   // create the mouse cursors we'll use
 135   _cursors.session = XCreateFontCursor(otk::OBDisplay::display, XC_left_ptr);
 136   _cursors.move = XCreateFontCursor(otk::OBDisplay::display, XC_fleur);
 137   _cursors.ll_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ll_angle);
 138   _cursors.lr_angle = XCreateFontCursor(otk::OBDisplay::display, XC_lr_angle);
 139   _cursors.ul_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ul_angle);
 140   _cursors.ur_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ur_angle);
 141
 142   // initialize all the screens
 143   OBScreen *screen;
 144   screen = new OBScreen(0, _config);
 145   if (screen->managed()) {
 146     _screens.push_back(screen);
 147     _screens[0]->manageExisting();
 148     // XXX: "change to" the first workspace on the screen to initialize stuff
 149   } else
 150     delete screen;
 151
 152   if (_screens.empty()) {
 153     printf(_("No screens were found without a window manager. Exiting.\n"));
 154     ::exit(1);
 155   }
 156
 157   // initialize the python interface
 158   Py_SetProgramName(argv[0]);
 159   Py_Initialize();
 160   initopenbox(); // initialize the static 'openbox' module
 161   FILE *rcpyfd = fopen("/home/natas/.openbox/user.py", "r");
 162   if (!rcpyfd) {
 163     printf("failed to load python file /home/natas/.openbox/user.py\n");
 164   } else {
 165     PyRun_SimpleFile(rcpyfd, "/home/natas/.openbox/user.py");
 166     fclose(rcpyfd);
 167   }
 168
 169   _state = State_Normal; // done starting
 170 }
 171
 172
 173 Openbox::~Openbox()
 174 {
 175   _state = State_Exiting; // time to kill everything
 176
 177   std::for_each(_screens.begin(), _screens.end(), otk::PointerAssassin());
 178
 179   // close the X display
 180   otk::OBDisplay::destroy();
 181 }
 182
 183
 184 void Openbox::parseCommandLine(int argc, char **argv)
 185 {
 186   bool err = false;
 187
 188   for (int i = 1; i < argc; ++i) {
 189     std::string arg(argv[i]);
 190
 191     if (arg == "-display") {
 192       if (++i >= argc)
 193         err = true;
 194       else
 195         _displayreq = argv[i];
 196     } else if (arg == "-rc") {
 197       if (++i >= argc)
 198         err = true;
 199       else
 200         _rcfilepath = argv[i];
 201     } else if (arg == "-menu") {
 202       if (++i >= argc)
 203         err = true;
 204       else
 205         _menufilepath = argv[i];
 206     } else if (arg == "-version") {
 207       showVersion();
 208       ::exit(0);
 209     } else if (arg == "-help") {
 210       showHelp();
 211       ::exit(0);
 212     } else
 213       err = true;
 214
 215     if (err) {
 216       showHelp();
 217       exit(1);
 218     }
 219   }
 220 }
 221
 222
 223 void Openbox::showVersion()
 224 {
 225   printf(_("Openbox - version %s\n"), OPENBOX_VERSION);
 226   printf("    (c) 2002 - 2002 Ben Jansens\n\n");
 227 }
 228
 229
 230 void Openbox::showHelp()
 231 {
 232   showVersion(); // show the version string and copyright
 233
 234   // print program usage and command line options
 235   printf(_("Usage: %s [OPTIONS...]\n\
 236   Options:\n\
 237   -display <string>  use display connection.\n\
 238   -rc <string>       use alternate resource file.\n\
 239   -menu <string>     use alternate menu file.\n\
 240   -version           display version and exit.\n\
 241   -help              display this help text and exit.\n\n"), _argv0);
 242
 243   printf(_("Compile time options:\n\
 244   Debugging: %s\n\
 245   Shape:     %s\n\
 246   Xinerama:  %s\n"),
 247 #ifdef    DEBUG
 248          _("yes"),
 249 #else // !DEBUG
 250          _("no"),
 251 #endif // DEBUG
 252
 253 #ifdef    SHAPE
 254          _("yes"),
 255 #else // !SHAPE
 256          _("no"),
 257 #endif // SHAPE
 258
 259 #ifdef    XINERAMA
 260          _("yes")
 261 #else // !XINERAMA
 262          _("no")
 263 #endif // XINERAMA
 264     );
 265 }
 266
 267
 268 void Openbox::eventLoop()
 269 {
 270   while (!_doshutdown) {
 271     dispatchEvents(); // from OtkEventDispatcher
 272     _timermanager.fire();
 273   }
 274 }
 275
 276
 277 void Openbox::addClient(Window window, OBClient *client)
 278 {
 279   _clients[window] = client;
 280
 281   // maintain the python list here too
 282   PyClientObject* pyclient = PyObject_New(PyClientObject, &PyClient_Type);
 283   pyclient->window = window;
 284   pyclient->client = client;
 285   PyDict_SetItem(_pyclients, PyLong_FromLong(window), (PyObject*)pyclient);
 286 }
 287
 288
 289 void Openbox::removeClient(Window window)
 290 {
 291   _clients.erase(window);
 292 }
 293
 294
 295 OBClient *Openbox::findClient(Window window)
 296 {
 297   /*
 298     NOTE: we dont use _clients[] to find the value because that will insert
 299     a new null into the hash, which really sucks when we want to clean up the
 300     hash at shutdown!
 301   */
 302   ClientMap::iterator it = _clients.find(window);
 303   if (it != _clients.end())
 304     return it->second;
 305   else
 306     return (OBClient*) 0;
 307 }
 308
 309 }
 310