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