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   _screens.push_back(new OBScreen(0));
 132   _screens[0]->loadStyle(_config);
 133
 134   _state = State_Normal; // done starting
 135 }
 136
 137
 138 Openbox::~Openbox()
 139 {
 140   _state = State_Exiting; // time to kill everything
 141
 142   // unmanage all windows
 143   while (!_clients.empty())
 144     _xeventhandler.unmanageWindow(_clients.begin()->second);
 145
 146   std::for_each(_screens.begin(), _screens.end(), otk::PointerAssassin());
 147
 148   // close the X display
 149   otk::OBDisplay::destroy();
 150 }
 151
 152
 153 void Openbox::parseCommandLine(int argc, char **argv)
 154 {
 155   bool err = false;
 156
 157   for (int i = 1; i < argc; ++i) {
 158     std::string arg(argv[i]);
 159
 160     if (arg == "-display") {
 161       if (++i >= argc)
 162         err = true;
 163       else
 164         _displayreq = argv[i];
 165     } else if (arg == "-rc") {
 166       if (++i >= argc)
 167         err = true;
 168       else
 169         _rcfilepath = argv[i];
 170     } else if (arg == "-menu") {
 171       if (++i >= argc)
 172         err = true;
 173       else
 174         _menufilepath = argv[i];
 175     } else if (arg == "-version") {
 176       showVersion();
 177       ::exit(0);
 178     } else if (arg == "-help") {
 179       showHelp();
 180       ::exit(0);
 181     } else
 182       err = true;
 183
 184     if (err) {
 185       showHelp();
 186       exit(1);
 187     }
 188   }
 189 }
 190
 191
 192 void Openbox::showVersion()
 193 {
 194   printf(_("Openbox - version %s\n"), OPENBOX_VERSION);
 195   printf("    (c) 2002 - 2002 Ben Jansens\n\n");
 196 }
 197
 198
 199 void Openbox::showHelp()
 200 {
 201   showVersion(); // show the version string and copyright
 202
 203   // print program usage and command line options
 204   printf(_("Usage: %s [OPTIONS...]\n\
 205   Options:\n\
 206   -display <string>  use display connection.\n\
 207   -rc <string>       use alternate resource file.\n\
 208   -menu <string>     use alternate menu file.\n\
 209   -version           display version and exit.\n\
 210   -help              display this help text and exit.\n\n"), _argv0);
 211
 212   printf(_("Compile time options:\n\
 213   Debugging: %s\n\
 214   Shape:     %s\n\
 215   Xinerama:  %s\n"),
 216 #ifdef    DEBUG
 217          _("yes"),
 218 #else // !DEBUG
 219          _("no"),
 220 #endif // DEBUG
 221
 222 #ifdef    SHAPE
 223          _("yes"),
 224 #else // !SHAPE
 225          _("no"),
 226 #endif // SHAPE
 227
 228 #ifdef    XINERAMA
 229          _("yes")
 230 #else // !XINERAMA
 231          _("no")
 232 #endif // XINERAMA
 233     );
 234 }
 235
 236
 237 void Openbox::eventLoop()
 238 {
 239   while (!_doshutdown) {
 240     if (XPending(otk::OBDisplay::display)) {
 241       XEvent e;
 242       XNextEvent(otk::OBDisplay::display, &e);
 243       //process_event(&e);
 244       _xeventhandler.handle(e);
 245     } else {
 246       _timermanager.fire();
 247     }
 248   }
 249 }
 250
 251
 252 void Openbox::addClient(Window window, OBClient *client)
 253 {
 254   _clients[window] = client;
 255 }
 256
 257
 258 void Openbox::removeClient(Window window)
 259 {
 260   ClientMap::iterator it = _clients.find(window);
 261   if (it != _clients.end())
 262     _clients.erase(it);
 263 }
 264
 265
 266 OBClient *Openbox::findClient(Window window)
 267 {
 268   /*
 269     NOTE: we dont use _clients[] to find the value because that will insert
 270     a new null into the hash, which really sucks when we want to clean up the
 271     hash at shutdown!
 272   */
 273   ClientMap::iterator it = _clients.find(window);
 274   if (it != _clients.end())
 275     return it->second;
 276   else
 277     return (OBClient*) 0;
 278 }
 279
 280 }
 281