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 int Openbox::xerrorHandler(Display *d, XErrorEvent *e)
  48 {
  49 #ifdef DEBUG
  50   char errtxt[128];
  51
  52   XGetErrorText(d, e->error_code, errtxt, 128);
  53   printf("X Error: %s\n", errtxt);
  54 #else
  55   (void)d;
  56   (void)e;
  57 #endif
  58
  59   return false;
  60 }
  61
  62
  63 void Openbox::signalHandler(int signal)
  64 {
  65   switch (signal) {
  66   case SIGHUP:
  67     // XXX: Do something with HUP? Really shouldn't, we get this when X shuts
  68     //      down and hangs-up on us.
  69
  70   case SIGINT:
  71   case SIGTERM:
  72   case SIGPIPE:
  73     printf("Caught signal %d. Exiting.", signal);
  74     instance->shutdown();
  75
  76     break;
  77   case SIGFPE:
  78   case SIGSEGV:
  79     printf("Caught signal %d. Aborting and dumping core.", signal);
  80     abort();
  81   }
  82 }
  83
  84
  85 Openbox::Openbox(int argc, char **argv)
  86 {
  87   struct sigaction action;
  88
  89   _state = State_Starting;
  90
  91   Openbox::instance = this;
  92
  93   _displayreq = (char*) 0;
  94   _argv0 = argv[0];
  95
  96   parseCommandLine(argc, argv);
  97
  98   // open the X display (and gets some info about it, and its screens)
  99   otk::OBDisplay::initialize(_displayreq);
 100   assert(otk::OBDisplay::display);
 101
 102   // set up the signal handler
 103   action.sa_handler = Openbox::signalHandler;
 104   action.sa_mask = sigset_t();
 105   action.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
 106   sigaction(SIGPIPE, &action, (struct sigaction *) 0);
 107   sigaction(SIGSEGV, &action, (struct sigaction *) 0);
 108   sigaction(SIGFPE, &action, (struct sigaction *) 0);
 109   sigaction(SIGTERM, &action, (struct sigaction *) 0);
 110   sigaction(SIGINT, &action, (struct sigaction *) 0);
 111   sigaction(SIGHUP, &action, (struct sigaction *) 0);
 112
 113
 114
 115   _state = State_Normal; // done starting
 116 }
 117
 118
 119 Openbox::~Openbox()
 120 {
 121   // close the X display
 122   otk::OBDisplay::destroy();
 123 }
 124
 125
 126 void Openbox::parseCommandLine(int argc, char **argv)
 127 {
 128   bool err = false;
 129
 130   for (int i = 1; i < argc; ++i) {
 131     std::string arg(argv[i]);
 132
 133     if (arg == "-display") {
 134       if (++i >= argc)
 135         err = true;
 136       else
 137         _displayreq = argv[i];
 138     } else if (arg == "-rc") {
 139       if (++i >= argc)
 140         err = true;
 141       else
 142         _rcfilepath = argv[i];
 143     } else if (arg == "-menu") {
 144       if (++i >= argc)
 145         err = true;
 146       else
 147         _menufilepath = argv[i];
 148     } else if (arg == "-version") {
 149       showVersion();
 150       ::exit(0);
 151     } else if (arg == "-help") {
 152       showHelp();
 153       ::exit(0);
 154     } else
 155       err = true;
 156
 157     if (err) {
 158       showHelp();
 159       exit(1);
 160     }
 161   }
 162 }
 163
 164
 165 void Openbox::showVersion()
 166 {
 167   printf(_("Openbox - version %s\n"), OPENBOX_VERSION);
 168   printf("    (c) 2002 - 2002 Ben Jansens\n\n");
 169 }
 170
 171
 172 void Openbox::showHelp()
 173 {
 174   showVersion(); // show the version string and copyright
 175
 176   // print program usage and command line options
 177   printf(_("Usage: %s [OPTIONS...]\n\
 178   Options:\n\
 179   -display <string>  use display connection.\n\
 180   -rc <string>       use alternate resource file.\n\
 181   -menu <string>     use alternate menu file.\n\
 182   -version           display version and exit.\n\
 183   -help              display this help text and exit.\n\n"), _argv0);
 184
 185   printf(_("Compile time options:\n\
 186   Debugging: %s\n\
 187   Shape:     %s\n\
 188   Xinerama:  %s\n"),
 189 #ifdef    DEBUG
 190          _("yes"),
 191 #else // !DEBUG
 192          _("no"),
 193 #endif // DEBUG
 194
 195 #ifdef    SHAPE
 196          _("yes"),
 197 #else // !SHAPE
 198          _("no"),
 199 #endif // SHAPE
 200
 201 #ifdef    XINERAMA
 202          _("yes")
 203 #else // !XINERAMA
 204          _("no")
 205 #endif // XINERAMA
 206     );
 207 }
 208
 209
 210 void Openbox::eventLoop()
 211 {
 212   while (_state == State_Normal) {
 213     if (XPending(otk::OBDisplay::display)) {
 214       XEvent e;
 215       XNextEvent(otk::OBDisplay::display, &e);
 216       process_event(&e);
 217     } else {
 218       _timermanager.fire();
 219     }
 220   }
 221 }
 222
 223
 224 }
 225