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.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 <python2.2/Python.h>
  47
  48 #include "gettext.h"
  49 #define _(str) gettext(str)
  50 }
  51
  52 #include <algorithm>
  53
  54 namespace ob {
  55
  56 Openbox *Openbox::instance  = (Openbox *) 0;
  57
  58
  59 void Openbox::signalHandler(int signal)
  60 {
  61   switch (signal) {
  62   case SIGHUP:
  63     // XXX: Do something with HUP? Really shouldn't, we get this when X shuts
  64     //      down and hangs-up on us.
  65
  66   case SIGINT:
  67   case SIGTERM:
  68   case SIGPIPE:
  69     printf("Caught signal %d. Exiting.\n", signal);
  70     instance->shutdown();
  71
  72     break;
  73   case SIGFPE:
  74   case SIGSEGV:
  75     printf("Caught signal %d. Aborting and dumping core.\n", signal);
  76     abort();
  77   }
  78 }
  79
  80
  81 Openbox::Openbox(int argc, char **argv)
  82   : otk::OtkEventDispatcher(),
  83     otk::OtkEventHandler()
  84 {
  85   struct sigaction action;
  86
  87   _state = State_Starting; // initializing everything
  88
  89   Openbox::instance = this;
  90
  91   _displayreq = (char*) 0;
  92   _argv0 = argv[0];
  93   _doshutdown = false;
  94   _rcfilepath = otk::expandTilde("~/.openbox/rc3");
  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   _clients[window] = client;
 279 }
 280
 281
 282 void Openbox::removeClient(Window window)
 283 {
 284   _clients.erase(window);
 285 }
 286
 287
 288 OBClient *Openbox::findClient(Window window)
 289 {
 290   /*
 291     NOTE: we dont use _clients[] to find the value because that will insert
 292     a new null into the hash, which really sucks when we want to clean up the
 293     hash at shutdown!
 294   */
 295   ClientMap::iterator it = _clients.find(window);
 296   if (it != _clients.end())
 297     return it->second;
 298   else
 299     return (OBClient*) 0;
 300 }
 301
 302 }
 303