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/display.hh"
  10
  11 extern "C" {
  12 #ifdef    HAVE_STDIO_H
  13 #  include <stdio.h>
  14 #endif // HAVE_STDIO_H
  15
  16 #ifdef    HAVE_STDLIB_H
  17 #  include <stdlib.h>
  18 #endif // HAVE_STDLIB_H
  19
  20 #ifdef    HAVE_SIGNAL_H
  21 #  include <signal.h>
  22 #endif // HAVE_SIGNAL_H
  23
  24 #ifdef    HAVE_FCNTL_H
  25 #  include <fcntl.h>
  26 #endif // HAVE_FCNTL_H
  27
  28 #ifdef    HAVE_UNISTD_H
  29 #  include <sys/types.h>
  30 #  include <unistd.h>
  31 #endif // HAVE_UNISTD_H
  32
  33 #ifdef    HAVE_SYS_SELECT_H
  34 #  include <sys/select.h>
  35 #endif // HAVE_SYS_SELECT_H
  36
  37 #include "gettext.h"
  38 #define _(str) gettext(str)
  39 }
  40
  41 namespace ob {
  42
  43
  44 Openbox *Openbox::instance = (Openbox *) 0;
  45
  46
  47 void Openbox::signalHandler(int signal)
  48 {
  49   switch (signal) {
  50   case SIGHUP:
  51     // XXX: Do something with HUP? Really shouldn't, we get this when X shuts
  52     //      down and hangs-up on us.
  53
  54   case SIGINT:
  55   case SIGTERM:
  56   case SIGPIPE:
  57     printf("Caught signal %d. Exiting.", signal);
  58     instance->shutdown();
  59
  60     break;
  61   case SIGFPE:
  62   case SIGSEGV:
  63     printf("Caught signal %d. Aborting and dumping core.", signal);
  64     abort();
  65   }
  66 }
  67
  68
  69 Openbox::Openbox(int argc, char **argv)
  70 {
  71   struct sigaction action;
  72
  73   _state = State_Starting; // initializing everything
  74
  75   Openbox::instance = this;
  76
  77   _displayreq = (char*) 0;
  78   _argv0 = argv[0];
  79
  80   parseCommandLine(argc, argv);
  81
  82   // open the X display (and gets some info about it, and its screens)
  83   otk::OBDisplay::initialize(_displayreq);
  84   assert(otk::OBDisplay::display);
  85
  86   // set up the signal handler
  87   action.sa_handler = Openbox::signalHandler;
  88   action.sa_mask = sigset_t();
  89   action.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
  90   sigaction(SIGPIPE, &action, (struct sigaction *) 0);
  91   sigaction(SIGSEGV, &action, (struct sigaction *) 0);
  92   sigaction(SIGFPE, &action, (struct sigaction *) 0);
  93   sigaction(SIGTERM, &action, (struct sigaction *) 0);
  94   sigaction(SIGINT, &action, (struct sigaction *) 0);
  95   sigaction(SIGHUP, &action, (struct sigaction *) 0);
  96
  97
  98
  99   _state = State_Normal; // done starting
 100 }
 101
 102
 103 Openbox::~Openbox()
 104 {
 105   _state = State_Exiting; // time to kill everything
 106
 107   // close the X display
 108   otk::OBDisplay::destroy();
 109 }
 110
 111
 112 void Openbox::parseCommandLine(int argc, char **argv)
 113 {
 114   bool err = false;
 115
 116   for (int i = 1; i < argc; ++i) {
 117     std::string arg(argv[i]);
 118
 119     if (arg == "-display") {
 120       if (++i >= argc)
 121         err = true;
 122       else
 123         _displayreq = argv[i];
 124     } else if (arg == "-rc") {
 125       if (++i >= argc)
 126         err = true;
 127       else
 128         _rcfilepath = argv[i];
 129     } else if (arg == "-menu") {
 130       if (++i >= argc)
 131         err = true;
 132       else
 133         _menufilepath = argv[i];
 134     } else if (arg == "-version") {
 135       showVersion();
 136       ::exit(0);
 137     } else if (arg == "-help") {
 138       showHelp();
 139       ::exit(0);
 140     } else
 141       err = true;
 142
 143     if (err) {
 144       showHelp();
 145       exit(1);
 146     }
 147   }
 148 }
 149
 150
 151 void Openbox::showVersion()
 152 {
 153   printf(_("Openbox - version %s\n"), OPENBOX_VERSION);
 154   printf("    (c) 2002 - 2002 Ben Jansens\n\n");
 155 }
 156
 157
 158 void Openbox::showHelp()
 159 {
 160   showVersion(); // show the version string and copyright
 161
 162   // print program usage and command line options
 163   printf(_("Usage: %s [OPTIONS...]\n\
 164   Options:\n\
 165   -display <string>  use display connection.\n\
 166   -rc <string>       use alternate resource file.\n\
 167   -menu <string>     use alternate menu file.\n\
 168   -version           display version and exit.\n\
 169   -help              display this help text and exit.\n\n"), _argv0);
 170
 171   printf(_("Compile time options:\n\
 172   Debugging: %s\n\
 173   Shape:     %s\n\
 174   Xinerama:  %s\n"),
 175 #ifdef    DEBUG
 176          _("yes"),
 177 #else // !DEBUG
 178          _("no"),
 179 #endif // DEBUG
 180
 181 #ifdef    SHAPE
 182          _("yes"),
 183 #else // !SHAPE
 184          _("no"),
 185 #endif // SHAPE
 186
 187 #ifdef    XINERAMA
 188          _("yes")
 189 #else // !XINERAMA
 190          _("no")
 191 #endif // XINERAMA
 192     );
 193 }
 194
 195
 196 void Openbox::eventLoop()
 197 {
 198   while (!_doshutdown) {
 199     if (XPending(otk::OBDisplay::display)) {
 200       XEvent e;
 201       XNextEvent(otk::OBDisplay::display, &e);
 202       process_event(&e);
 203     } else {
 204       _timermanager.fire();
 205     }
 206   }
 207 }
 208
 209
 210 }
 211