Dogcows Code - chaz/openbox/blob - src/openbox.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #ifdef HAVE_CONFIG_H
   4 # include "../config.h"
   5 #endif
   6
   7 #include "../version.h"
   8 #include "openbox.hh"
   9 #include "client.hh"
  10 #include "screen.hh"
  11 #include "actions.hh"
  12 #include "otk/property.hh"
  13 #include "otk/display.hh"
  14 #include "otk/assassin.hh"
  15 #include "otk/util.hh" // TEMPORARY
  16
  17 extern "C" {
  18 #include <X11/cursorfont.h>
  19
  20 #ifdef    HAVE_STDIO_H
  21 #  include <stdio.h>
  22 #endif // HAVE_STDIO_H
  23
  24 #ifdef    HAVE_STDLIB_H
  25 #  include <stdlib.h>
  26 #endif // HAVE_STDLIB_H
  27
  28 #ifdef    HAVE_SIGNAL_H
  29 #  include <signal.h>
  30 #endif // HAVE_SIGNAL_H
  31
  32 #ifdef    HAVE_FCNTL_H
  33 #  include <fcntl.h>
  34 #endif // HAVE_FCNTL_H
  35
  36 #ifdef    HAVE_UNISTD_H
  37 #  include <sys/types.h>
  38 #  include <unistd.h>
  39 #endif // HAVE_UNISTD_H
  40
  41 #ifdef    HAVE_SYS_SELECT_H
  42 #  include <sys/select.h>
  43 #endif // HAVE_SYS_SELECT_H
  44
  45 #include <Python.h>
  46
  47 // The initializer in openbox_wrap.cc
  48 extern void init_openbox(void);
  49 // The initializer in otk_wrap.cc
  50 extern void init_otk(void);
  51
  52 #include "gettext.h"
  53 #define _(str) gettext(str)
  54 }
  55
  56 #include <algorithm>
  57
  58 namespace ob {
  59
  60 Openbox *Openbox::instance  = (Openbox *) 0;
  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.\n", signal);
  74     instance->shutdown();
  75
  76     break;
  77   case SIGFPE:
  78   case SIGSEGV:
  79     printf("Caught signal %d. Aborting and dumping core.\n", signal);
  80     abort();
  81   }
  82 }
  83
  84
  85 Openbox::Openbox(int argc, char **argv)
  86   : otk::OtkEventDispatcher(),
  87     otk::OtkEventHandler()
  88 {
  89   struct sigaction action;
  90
  91   _state = State_Starting; // initializing everything
  92
  93   Openbox::instance = this;
  94
  95   _displayreq = (char*) 0;
  96   _argv0 = argv[0];
  97   _doshutdown = false;
  98   _rcfilepath = otk::expandTilde("~/.openbox/rc3");
  99   _scriptfilepath = otk::expandTilde("~/.openbox/user.py");
 100
 101   parseCommandLine(argc, argv);
 102
 103   // TEMPORARY: using the xrdb rc3
 104   _config.setFile(_rcfilepath);
 105   if (!_config.load()) {
 106     printf("failed to load rc file %s\n", _config.file().c_str());
 107     ::exit(2);
 108   }
 109   std::string s;
 110   _config.getValue("session.styleFile", s);
 111   _config.setFile(s);
 112   if (!_config.load()) {
 113     printf("failed to load style %s\n", _config.file().c_str());
 114     ::exit(2);
 115   }
 116
 117   // open the X display (and gets some info about it, and its screens)
 118   otk::OBDisplay::initialize(_displayreq);
 119   assert(otk::OBDisplay::display);
 120
 121   // set up the signal handler
 122   action.sa_handler = Openbox::signalHandler;
 123   action.sa_mask = sigset_t();
 124   action.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
 125   sigaction(SIGPIPE, &action, (struct sigaction *) 0);
 126   sigaction(SIGSEGV, &action, (struct sigaction *) 0);
 127   sigaction(SIGFPE, &action, (struct sigaction *) 0);
 128   sigaction(SIGTERM, &action, (struct sigaction *) 0);
 129   sigaction(SIGINT, &action, (struct sigaction *) 0);
 130   sigaction(SIGHUP, &action, (struct sigaction *) 0);
 131
 132   _property = new otk::OBProperty();
 133
 134   _actions = new OBActions();
 135
 136   setMasterHandler(_actions); // set as the master event handler
 137
 138   // create the mouse cursors we'll use
 139   _cursors.session = XCreateFontCursor(otk::OBDisplay::display, XC_left_ptr);
 140   _cursors.move = XCreateFontCursor(otk::OBDisplay::display, XC_fleur);
 141   _cursors.ll_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ll_angle);
 142   _cursors.lr_angle = XCreateFontCursor(otk::OBDisplay::display, XC_lr_angle);
 143   _cursors.ul_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ul_angle);
 144   _cursors.ur_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ur_angle);
 145
 146   // start up python and run the user's startup script
 147   Py_SetProgramName(argv[0]);
 148   Py_Initialize();
 149   init_otk();
 150   init_openbox();
 151   PyRun_SimpleString("from _otk import *; from _openbox import *;");
 152   PyRun_SimpleString("openbox = Openbox_instance()");
 153   FILE *rcpyfd = fopen(_scriptfilepath.c_str(), "r");
 154   if (!rcpyfd) {
 155     printf("failed to load python file %s\n", _scriptfilepath.c_str());
 156   } else {
 157     PyRun_SimpleFile(rcpyfd, const_cast<char*>(_scriptfilepath.c_str()));
 158     fclose(rcpyfd);
 159   }
 160
 161   // initialize all the screens
 162   OBScreen *screen;
 163   screen = new OBScreen(0, _config);
 164   if (screen->managed()) {
 165     _screens.push_back(screen);
 166     _screens[0]->manageExisting();
 167     // XXX: "change to" the first workspace on the screen to initialize stuff
 168   } else
 169     delete screen;
 170
 171   if (_screens.empty()) {
 172     printf(_("No screens were found without a window manager. Exiting.\n"));
 173     ::exit(1);
 174   }
 175
 176   _state = State_Normal; // done starting
 177 }
 178
 179
 180 Openbox::~Openbox()
 181 {
 182   _state = State_Exiting; // time to kill everything
 183
 184   std::for_each(_screens.begin(), _screens.end(), otk::PointerAssassin());
 185
 186   // close the X display
 187   otk::OBDisplay::destroy();
 188 }
 189
 190
 191 void Openbox::parseCommandLine(int argc, char **argv)
 192 {
 193   bool err = false;
 194
 195   for (int i = 1; i < argc; ++i) {
 196     std::string arg(argv[i]);
 197
 198     if (arg == "-display") {
 199       if (++i >= argc)
 200         err = true;
 201       else
 202         _displayreq = argv[i];
 203     } else if (arg == "-rc") {
 204       if (++i >= argc)
 205         err = true;
 206       else
 207         _rcfilepath = argv[i];
 208     } else if (arg == "-menu") {
 209       if (++i >= argc)
 210         err = true;
 211       else
 212         _menufilepath = argv[i];
 213     } else if (arg == "-script") {
 214       if (++i >= argc)
 215         err = true;
 216       else
 217         _scriptfilepath = argv[i];
 218     } else if (arg == "-version") {
 219       showVersion();
 220       ::exit(0);
 221     } else if (arg == "-help") {
 222       showHelp();
 223       ::exit(0);
 224     } else
 225       err = true;
 226
 227     if (err) {
 228       showHelp();
 229       exit(1);
 230     }
 231   }
 232 }
 233
 234
 235 void Openbox::showVersion()
 236 {
 237   printf(_("Openbox - version %s\n"), OPENBOX_VERSION);
 238   printf("    (c) 2002 - 2002 Ben Jansens\n\n");
 239 }
 240
 241
 242 void Openbox::showHelp()
 243 {
 244   showVersion(); // show the version string and copyright
 245
 246   // print program usage and command line options
 247   printf(_("Usage: %s [OPTIONS...]\n\
 248   Options:\n\
 249   -display <string>  use display connection.\n\
 250   -rc <string>       use alternate resource file.\n\
 251   -menu <string>     use alternate menu file.\n\
 252   -script <string>   use alternate startup script file.\n\
 253   -version           display version and exit.\n\
 254   -help              display this help text and exit.\n\n"), _argv0);
 255
 256   printf(_("Compile time options:\n\
 257   Debugging: %s\n\
 258   Shape:     %s\n\
 259   Xinerama:  %s\n"),
 260 #ifdef    DEBUG
 261          _("yes"),
 262 #else // !DEBUG
 263          _("no"),
 264 #endif // DEBUG
 265
 266 #ifdef    SHAPE
 267          _("yes"),
 268 #else // !SHAPE
 269          _("no"),
 270 #endif // SHAPE
 271
 272 #ifdef    XINERAMA
 273          _("yes")
 274 #else // !XINERAMA
 275          _("no")
 276 #endif // XINERAMA
 277     );
 278 }
 279
 280
 281 void Openbox::eventLoop()
 282 {
 283   while (!_doshutdown) {
 284     dispatchEvents(); // from OtkEventDispatcher
 285     _timermanager.fire();
 286   }
 287 }
 288
 289
 290 void Openbox::addClient(Window window, OBClient *client)
 291 {
 292   _clients[window] = client;
 293 }
 294
 295
 296 void Openbox::removeClient(Window window)
 297 {
 298   _clients.erase(window);
 299 }
 300
 301
 302 OBClient *Openbox::findClient(Window window)
 303 {
 304   /*
 305     NOTE: we dont use _clients[] to find the value because that will insert
 306     a new null into the hash, which really sucks when we want to clean up the
 307     hash at shutdown!
 308   */
 309   ClientMap::iterator it = _clients.find(window);
 310   if (it != _clients.end())
 311     return it->second;
 312   else
 313     return (OBClient*) 0;
 314 }
 315
 316 }
 317