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   parseCommandLine(argc, argv);
  94
  95   // TEMPORARY: using the xrdb rc3
  96   _config.setFile(_rcfilepath);
  97   if (!_config.load()) {
  98     printf("failed to load rc file %s\n", _config.file().c_str());
  99     ::exit(2);
 100   }
 101   std::string s;
 102   _config.getValue("session.styleFile", s);
 103   _config.setFile(s);
 104   if (!_config.load()) {
 105     printf("failed to load style %s\n", _config.file().c_str());
 106     ::exit(2);
 107   }
 108
 109   // open the X display (and gets some info about it, and its screens)
 110   otk::OBDisplay::initialize(_displayreq);
 111   assert(otk::OBDisplay::display);
 112
 113   // set up the signal handler
 114   action.sa_handler = Openbox::signalHandler;
 115   action.sa_mask = sigset_t();
 116   action.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
 117   sigaction(SIGPIPE, &action, (struct sigaction *) 0);
 118   sigaction(SIGSEGV, &action, (struct sigaction *) 0);
 119   sigaction(SIGFPE, &action, (struct sigaction *) 0);
 120   sigaction(SIGTERM, &action, (struct sigaction *) 0);
 121   sigaction(SIGINT, &action, (struct sigaction *) 0);
 122   sigaction(SIGHUP, &action, (struct sigaction *) 0);
 123
 124   _property = new otk::OBProperty();
 125
 126   _actions = new OBActions();
 127
 128   setMasterHandler(_actions); // set as the master event handler
 129
 130   // create the mouse cursors we'll use
 131   _cursors.session = XCreateFontCursor(otk::OBDisplay::display, XC_left_ptr);
 132   _cursors.move = XCreateFontCursor(otk::OBDisplay::display, XC_fleur);
 133   _cursors.ll_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ll_angle);
 134   _cursors.lr_angle = XCreateFontCursor(otk::OBDisplay::display, XC_lr_angle);
 135   _cursors.ul_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ul_angle);
 136   _cursors.ur_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ur_angle);
 137
 138   // initialize all the screens
 139   OBScreen *screen;
 140   screen = new OBScreen(0, _config);
 141   if (screen->managed()) {
 142     _screens.push_back(screen);
 143     _screens[0]->manageExisting();
 144     // XXX: "change to" the first workspace on the screen to initialize stuff
 145   } else
 146     delete screen;
 147
 148   if (_screens.empty()) {
 149     printf(_("No screens were found without a window manager. Exiting.\n"));
 150     ::exit(1);
 151   }
 152
 153   _state = State_Normal; // done starting
 154 }
 155
 156
 157 Openbox::~Openbox()
 158 {
 159   _state = State_Exiting; // time to kill everything
 160
 161   std::for_each(_screens.begin(), _screens.end(), otk::PointerAssassin());
 162
 163   // close the X display
 164   otk::OBDisplay::destroy();
 165 }
 166
 167
 168 void Openbox::parseCommandLine(int argc, char **argv)
 169 {
 170   bool err = false;
 171
 172   for (int i = 1; i < argc; ++i) {
 173     std::string arg(argv[i]);
 174
 175     if (arg == "-display") {
 176       if (++i >= argc)
 177         err = true;
 178       else
 179         _displayreq = argv[i];
 180     } else if (arg == "-rc") {
 181       if (++i >= argc)
 182         err = true;
 183       else
 184         _rcfilepath = argv[i];
 185     } else if (arg == "-menu") {
 186       if (++i >= argc)
 187         err = true;
 188       else
 189         _menufilepath = argv[i];
 190     } else if (arg == "-version") {
 191       showVersion();
 192       ::exit(0);
 193     } else if (arg == "-help") {
 194       showHelp();
 195       ::exit(0);
 196     } else
 197       err = true;
 198
 199     if (err) {
 200       showHelp();
 201       exit(1);
 202     }
 203   }
 204 }
 205
 206
 207 void Openbox::showVersion()
 208 {
 209   printf(_("Openbox - version %s\n"), OPENBOX_VERSION);
 210   printf("    (c) 2002 - 2002 Ben Jansens\n\n");
 211 }
 212
 213
 214 void Openbox::showHelp()
 215 {
 216   showVersion(); // show the version string and copyright
 217
 218   // print program usage and command line options
 219   printf(_("Usage: %s [OPTIONS...]\n\
 220   Options:\n\
 221   -display <string>  use display connection.\n\
 222   -rc <string>       use alternate resource file.\n\
 223   -menu <string>     use alternate menu file.\n\
 224   -version           display version and exit.\n\
 225   -help              display this help text and exit.\n\n"), _argv0);
 226
 227   printf(_("Compile time options:\n\
 228   Debugging: %s\n\
 229   Shape:     %s\n\
 230   Xinerama:  %s\n"),
 231 #ifdef    DEBUG
 232          _("yes"),
 233 #else // !DEBUG
 234          _("no"),
 235 #endif // DEBUG
 236
 237 #ifdef    SHAPE
 238          _("yes"),
 239 #else // !SHAPE
 240          _("no"),
 241 #endif // SHAPE
 242
 243 #ifdef    XINERAMA
 244          _("yes")
 245 #else // !XINERAMA
 246          _("no")
 247 #endif // XINERAMA
 248     );
 249 }
 250
 251
 252 void Openbox::eventLoop()
 253 {
 254   while (!_doshutdown) {
 255     dispatchEvents(); // from OtkEventDispatcher
 256     _timermanager.fire();
 257   }
 258 }
 259
 260
 261 void Openbox::addClient(Window window, OBClient *client)
 262 {
 263   _clients[window] = client;
 264 }
 265
 266
 267 void Openbox::removeClient(Window window)
 268 {
 269   _clients.erase(window);
 270 }
 271
 272
 273 OBClient *Openbox::findClient(Window window)
 274 {
 275   /*
 276     NOTE: we dont use _clients[] to find the value because that will insert
 277     a new null into the hash, which really sucks when we want to clean up the
 278     hash at shutdown!
 279   */
 280   ClientMap::iterator it = _clients.find(window);
 281   if (it != _clients.end())
 282     return it->second;
 283   else
 284     return (OBClient*) 0;
 285 }
 286
 287 }
 288