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 {
  78   struct sigaction action;
  79
  80   _state = State_Starting; // initializing everything
  81
  82   Openbox::instance = this;
  83
  84   _displayreq = (char*) 0;
  85   _argv0 = argv[0];
  86   _doshutdown = false;
  87   _rcfilepath = otk::expandTilde("~/.openbox/rc3");
  88
  89   parseCommandLine(argc, argv);
  90
  91   // TEMPORARY: using the xrdb rc3
  92   _config.setFile(_rcfilepath);
  93   if (!_config.load()) {
  94     printf("failed to load rc file %s\n", _config.file().c_str());
  95     ::exit(2);
  96   }
  97   std::string s;
  98   _config.getValue("session.styleFile", s);
  99   _config.setFile(s);
 100   if (!_config.load()) {
 101     printf("failed to load style %s\n", _config.file().c_str());
 102     ::exit(2);
 103   }
 104
 105   // open the X display (and gets some info about it, and its screens)
 106   otk::OBDisplay::initialize(_displayreq);
 107   assert(otk::OBDisplay::display);
 108
 109   // set up the signal handler
 110   action.sa_handler = Openbox::signalHandler;
 111   action.sa_mask = sigset_t();
 112   action.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
 113   sigaction(SIGPIPE, &action, (struct sigaction *) 0);
 114   sigaction(SIGSEGV, &action, (struct sigaction *) 0);
 115   sigaction(SIGFPE, &action, (struct sigaction *) 0);
 116   sigaction(SIGTERM, &action, (struct sigaction *) 0);
 117   sigaction(SIGINT, &action, (struct sigaction *) 0);
 118   sigaction(SIGHUP, &action, (struct sigaction *) 0);
 119
 120   _property = new otk::OBProperty();
 121
 122   // create the mouse cursors we'll use
 123   _cursors.session = XCreateFontCursor(otk::OBDisplay::display, XC_left_ptr);
 124   _cursors.move = XCreateFontCursor(otk::OBDisplay::display, XC_fleur);
 125   _cursors.ll_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ll_angle);
 126   _cursors.lr_angle = XCreateFontCursor(otk::OBDisplay::display, XC_lr_angle);
 127   _cursors.ul_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ul_angle);
 128   _cursors.ur_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ur_angle);
 129
 130   // initialize all the screens
 131   OBScreen *screen;
 132   screen = new OBScreen(0, _config);
 133   if (screen->managed()) {
 134     _screens.push_back(screen);
 135     _screens[0]->manageExisting();
 136     // XXX: "change to" the first workspace on the screen to initialize stuff
 137   } else
 138     delete screen;
 139
 140   if (_screens.empty()) {
 141     printf(_("No screens were found without a window manager. Exiting.\n"));
 142     ::exit(1);
 143   }
 144
 145   _state = State_Normal; // done starting
 146 }
 147
 148
 149 Openbox::~Openbox()
 150 {
 151   _state = State_Exiting; // time to kill everything
 152
 153   std::for_each(_screens.begin(), _screens.end(), otk::PointerAssassin());
 154
 155   // close the X display
 156   otk::OBDisplay::destroy();
 157 }
 158
 159
 160 void Openbox::parseCommandLine(int argc, char **argv)
 161 {
 162   bool err = false;
 163
 164   for (int i = 1; i < argc; ++i) {
 165     std::string arg(argv[i]);
 166
 167     if (arg == "-display") {
 168       if (++i >= argc)
 169         err = true;
 170       else
 171         _displayreq = argv[i];
 172     } else if (arg == "-rc") {
 173       if (++i >= argc)
 174         err = true;
 175       else
 176         _rcfilepath = argv[i];
 177     } else if (arg == "-menu") {
 178       if (++i >= argc)
 179         err = true;
 180       else
 181         _menufilepath = argv[i];
 182     } else if (arg == "-version") {
 183       showVersion();
 184       ::exit(0);
 185     } else if (arg == "-help") {
 186       showHelp();
 187       ::exit(0);
 188     } else
 189       err = true;
 190
 191     if (err) {
 192       showHelp();
 193       exit(1);
 194     }
 195   }
 196 }
 197
 198
 199 void Openbox::showVersion()
 200 {
 201   printf(_("Openbox - version %s\n"), OPENBOX_VERSION);
 202   printf("    (c) 2002 - 2002 Ben Jansens\n\n");
 203 }
 204
 205
 206 void Openbox::showHelp()
 207 {
 208   showVersion(); // show the version string and copyright
 209
 210   // print program usage and command line options
 211   printf(_("Usage: %s [OPTIONS...]\n\
 212   Options:\n\
 213   -display <string>  use display connection.\n\
 214   -rc <string>       use alternate resource file.\n\
 215   -menu <string>     use alternate menu file.\n\
 216   -version           display version and exit.\n\
 217   -help              display this help text and exit.\n\n"), _argv0);
 218
 219   printf(_("Compile time options:\n\
 220   Debugging: %s\n\
 221   Shape:     %s\n\
 222   Xinerama:  %s\n"),
 223 #ifdef    DEBUG
 224          _("yes"),
 225 #else // !DEBUG
 226          _("no"),
 227 #endif // DEBUG
 228
 229 #ifdef    SHAPE
 230          _("yes"),
 231 #else // !SHAPE
 232          _("no"),
 233 #endif // SHAPE
 234
 235 #ifdef    XINERAMA
 236          _("yes")
 237 #else // !XINERAMA
 238          _("no")
 239 #endif // XINERAMA
 240     );
 241 }
 242
 243
 244 void Openbox::eventLoop()
 245 {
 246   while (!_doshutdown) {
 247     if (XPending(otk::OBDisplay::display)) {
 248       XEvent e;
 249       XNextEvent(otk::OBDisplay::display, &e);
 250       //process_event(&e);
 251       _xeventhandler.handle(e);
 252     } else {
 253       _timermanager.fire();
 254     }
 255   }
 256 }
 257
 258
 259 void Openbox::addClient(Window window, OBClient *client)
 260 {
 261   _clients[window] = client;
 262 }
 263
 264
 265 void Openbox::removeClient(Window window)
 266 {
 267   ClientMap::iterator it = _clients.find(window);
 268   if (it != _clients.end())
 269     _clients.erase(it);
 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