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 "otk/property.hh"
  10 #include "otk/display.hh"
  11
  12 extern "C" {
  13 #include <X11/cursorfont.h>
  14
  15 #ifdef    HAVE_STDIO_H
  16 #  include <stdio.h>
  17 #endif // HAVE_STDIO_H
  18
  19 #ifdef    HAVE_STDLIB_H
  20 #  include <stdlib.h>
  21 #endif // HAVE_STDLIB_H
  22
  23 #ifdef    HAVE_SIGNAL_H
  24 #  include <signal.h>
  25 #endif // HAVE_SIGNAL_H
  26
  27 #ifdef    HAVE_FCNTL_H
  28 #  include <fcntl.h>
  29 #endif // HAVE_FCNTL_H
  30
  31 #ifdef    HAVE_UNISTD_H
  32 #  include <sys/types.h>
  33 #  include <unistd.h>
  34 #endif // HAVE_UNISTD_H
  35
  36 #ifdef    HAVE_SYS_SELECT_H
  37 #  include <sys/select.h>
  38 #endif // HAVE_SYS_SELECT_H
  39
  40 #include "gettext.h"
  41 #define _(str) gettext(str)
  42 }
  43
  44 namespace ob {
  45
  46 Openbox *Openbox::instance = (Openbox *) 0;
  47
  48
  49 void Openbox::signalHandler(int signal)
  50 {
  51   switch (signal) {
  52   case SIGHUP:
  53     // XXX: Do something with HUP? Really shouldn't, we get this when X shuts
  54     //      down and hangs-up on us.
  55
  56   case SIGINT:
  57   case SIGTERM:
  58   case SIGPIPE:
  59     printf("Caught signal %d. Exiting.\n", signal);
  60     instance->shutdown();
  61
  62     break;
  63   case SIGFPE:
  64   case SIGSEGV:
  65     printf("Caught signal %d. Aborting and dumping core.\n", signal);
  66     abort();
  67   }
  68 }
  69
  70
  71 Openbox::Openbox(int argc, char **argv)
  72 {
  73   struct sigaction action;
  74
  75   _state = State_Starting; // initializing everything
  76
  77   Openbox::instance = this;
  78
  79   _displayreq = (char*) 0;
  80   _argv0 = argv[0];
  81   _doshutdown = false;
  82
  83   parseCommandLine(argc, argv);
  84
  85   // open the X display (and gets some info about it, and its screens)
  86   otk::OBDisplay::initialize(_displayreq);
  87   assert(otk::OBDisplay::display);
  88
  89   // set up the signal handler
  90   action.sa_handler = Openbox::signalHandler;
  91   action.sa_mask = sigset_t();
  92   action.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
  93   sigaction(SIGPIPE, &action, (struct sigaction *) 0);
  94   sigaction(SIGSEGV, &action, (struct sigaction *) 0);
  95   sigaction(SIGFPE, &action, (struct sigaction *) 0);
  96   sigaction(SIGTERM, &action, (struct sigaction *) 0);
  97   sigaction(SIGINT, &action, (struct sigaction *) 0);
  98   sigaction(SIGHUP, &action, (struct sigaction *) 0);
  99
 100   _property = new otk::OBProperty();
 101
 102   // create the mouse cursors we'll use
 103   _cursors.session = XCreateFontCursor(otk::OBDisplay::display, XC_left_ptr);
 104   _cursors.move = XCreateFontCursor(otk::OBDisplay::display, XC_fleur);
 105   _cursors.ll_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ll_angle);
 106   _cursors.lr_angle = XCreateFontCursor(otk::OBDisplay::display, XC_lr_angle);
 107   _cursors.ul_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ul_angle);
 108   _cursors.ur_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ur_angle);
 109
 110   _state = State_Normal; // done starting
 111 }
 112
 113
 114 Openbox::~Openbox()
 115 {
 116   _state = State_Exiting; // time to kill everything
 117
 118   // unmanage all windows
 119   while (!_clients.empty())
 120     _xeventhandler.unmanageWindow(_clients.begin()->second);
 121
 122   // close the X display
 123   otk::OBDisplay::destroy();
 124 }
 125
 126
 127 void Openbox::parseCommandLine(int argc, char **argv)
 128 {
 129   bool err = false;
 130
 131   for (int i = 1; i < argc; ++i) {
 132     std::string arg(argv[i]);
 133
 134     if (arg == "-display") {
 135       if (++i >= argc)
 136         err = true;
 137       else
 138         _displayreq = argv[i];
 139     } else if (arg == "-rc") {
 140       if (++i >= argc)
 141         err = true;
 142       else
 143         _rcfilepath = argv[i];
 144     } else if (arg == "-menu") {
 145       if (++i >= argc)
 146         err = true;
 147       else
 148         _menufilepath = argv[i];
 149     } else if (arg == "-version") {
 150       showVersion();
 151       ::exit(0);
 152     } else if (arg == "-help") {
 153       showHelp();
 154       ::exit(0);
 155     } else
 156       err = true;
 157
 158     if (err) {
 159       showHelp();
 160       exit(1);
 161     }
 162   }
 163 }
 164
 165
 166 void Openbox::showVersion()
 167 {
 168   printf(_("Openbox - version %s\n"), OPENBOX_VERSION);
 169   printf("    (c) 2002 - 2002 Ben Jansens\n\n");
 170 }
 171
 172
 173 void Openbox::showHelp()
 174 {
 175   showVersion(); // show the version string and copyright
 176
 177   // print program usage and command line options
 178   printf(_("Usage: %s [OPTIONS...]\n\
 179   Options:\n\
 180   -display <string>  use display connection.\n\
 181   -rc <string>       use alternate resource file.\n\
 182   -menu <string>     use alternate menu file.\n\
 183   -version           display version and exit.\n\
 184   -help              display this help text and exit.\n\n"), _argv0);
 185
 186   printf(_("Compile time options:\n\
 187   Debugging: %s\n\
 188   Shape:     %s\n\
 189   Xinerama:  %s\n"),
 190 #ifdef    DEBUG
 191          _("yes"),
 192 #else // !DEBUG
 193          _("no"),
 194 #endif // DEBUG
 195
 196 #ifdef    SHAPE
 197          _("yes"),
 198 #else // !SHAPE
 199          _("no"),
 200 #endif // SHAPE
 201
 202 #ifdef    XINERAMA
 203          _("yes")
 204 #else // !XINERAMA
 205          _("no")
 206 #endif // XINERAMA
 207     );
 208 }
 209
 210
 211 void Openbox::eventLoop()
 212 {
 213   while (!_doshutdown) {
 214     if (XPending(otk::OBDisplay::display)) {
 215       XEvent e;
 216       XNextEvent(otk::OBDisplay::display, &e);
 217       //process_event(&e);
 218       _xeventhandler.handle(e);
 219     } else {
 220       _timermanager.fire();
 221     }
 222   }
 223 }
 224
 225
 226 void Openbox::addClient(Window window, OBClient *client)
 227 {
 228   _clients[window] = client;
 229 }
 230
 231
 232 void Openbox::removeClient(Window window)
 233 {
 234   ClientMap::iterator it = _clients.find(window);
 235   if (it != _clients.end())
 236     _clients.erase(it);
 237 }
 238
 239
 240 OBClient *Openbox::findClient(Window window)
 241 {
 242   /*
 243     NOTE: we dont use _clients[] to find the value because that will insert
 244     a new null into the hash, which really sucks when we want to clean up the
 245     hash at shutdown!
 246   */
 247   ClientMap::iterator it = _clients.find(window);
 248   if (it != _clients.end())
 249     return it->second;
 250   else
 251     return (OBClient*) 0;
 252 }
 253
 254 }
 255