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