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 static void runPython(const char *s) {
  86   FILE *rcpyfd = fopen(s, "r");
  87   if (!rcpyfd) {
  88     printf("failed to load python file %s\n", s);
  89   } else {
  90     PyRun_SimpleFile(rcpyfd, const_cast<char*>(s));
  91     fclose(rcpyfd);
  92   }
  93 }
  94
  95
  96 Openbox::Openbox(int argc, char **argv)
  97   : otk::OtkEventDispatcher(),
  98     otk::OtkEventHandler()
  99 {
 100   struct sigaction action;
 101
 102   _state = State_Starting; // initializing everything
 103
 104   Openbox::instance = this;
 105
 106   _displayreq = (char*) 0;
 107   _argv0 = argv[0];
 108   _doshutdown = false;
 109   _rcfilepath = otk::expandTilde("~/.openbox/rc3");
 110   _scriptfilepath = otk::expandTilde("~/.openbox/user.py");
 111
 112   parseCommandLine(argc, argv);
 113
 114   // TEMPORARY: using the xrdb rc3
 115   _config.setFile(_rcfilepath);
 116   if (!_config.load()) {
 117     printf("failed to load rc file %s\n", _config.file().c_str());
 118     ::exit(2);
 119   }
 120   std::string s;
 121   _config.getValue("session.styleFile", s);
 122   _config.setFile(s);
 123   if (!_config.load()) {
 124     printf("failed to load style %s\n", _config.file().c_str());
 125     ::exit(2);
 126   }
 127
 128   // open the X display (and gets some info about it, and its screens)
 129   otk::OBDisplay::initialize(_displayreq);
 130   assert(otk::OBDisplay::display);
 131
 132   // set up the signal handler
 133   action.sa_handler = Openbox::signalHandler;
 134   action.sa_mask = sigset_t();
 135   action.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
 136   sigaction(SIGPIPE, &action, (struct sigaction *) 0);
 137   sigaction(SIGSEGV, &action, (struct sigaction *) 0);
 138   sigaction(SIGFPE, &action, (struct sigaction *) 0);
 139   sigaction(SIGTERM, &action, (struct sigaction *) 0);
 140   sigaction(SIGINT, &action, (struct sigaction *) 0);
 141   sigaction(SIGHUP, &action, (struct sigaction *) 0);
 142
 143   _property = new otk::OBProperty();
 144
 145   _actions = new OBActions();
 146
 147   setMasterHandler(_actions); // set as the master event handler
 148
 149   // create the mouse cursors we'll use
 150   _cursors.session = XCreateFontCursor(otk::OBDisplay::display, XC_left_ptr);
 151   _cursors.move = XCreateFontCursor(otk::OBDisplay::display, XC_fleur);
 152   _cursors.ll_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ll_angle);
 153   _cursors.lr_angle = XCreateFontCursor(otk::OBDisplay::display, XC_lr_angle);
 154   _cursors.ul_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ul_angle);
 155   _cursors.ur_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ur_angle);
 156
 157   // start up python and run the user's startup script
 158   Py_SetProgramName(argv[0]);
 159   Py_Initialize();
 160   init_otk();
 161   init_openbox();
 162   PyRun_SimpleString("from _otk import *; from _openbox import *;");
 163   PyRun_SimpleString("openbox = Openbox_instance()");
 164
 165   runPython(SCRIPTDIR"/clientmotion.py"); // moving and resizing clients
 166   runPython(_scriptfilepath.c_str());
 167
 168   // initialize all the screens
 169   OBScreen *screen;
 170   screen = new OBScreen(0, _config);
 171   if (screen->managed()) {
 172     _screens.push_back(screen);
 173     _screens[0]->manageExisting();
 174     // XXX: "change to" the first workspace on the screen to initialize stuff
 175   } else
 176     delete screen;
 177
 178   if (_screens.empty()) {
 179     printf(_("No screens were found without a window manager. Exiting.\n"));
 180     ::exit(1);
 181   }
 182
 183   _state = State_Normal; // done starting
 184 }
 185
 186
 187 Openbox::~Openbox()
 188 {
 189   _state = State_Exiting; // time to kill everything
 190
 191   std::for_each(_screens.begin(), _screens.end(), otk::PointerAssassin());
 192
 193   // close the X display
 194   otk::OBDisplay::destroy();
 195 }
 196
 197
 198 void Openbox::parseCommandLine(int argc, char **argv)
 199 {
 200   bool err = false;
 201
 202   for (int i = 1; i < argc; ++i) {
 203     std::string arg(argv[i]);
 204
 205     if (arg == "-display") {
 206       if (++i >= argc)
 207         err = true;
 208       else
 209         _displayreq = argv[i];
 210     } else if (arg == "-rc") {
 211       if (++i >= argc)
 212         err = true;
 213       else
 214         _rcfilepath = argv[i];
 215     } else if (arg == "-menu") {
 216       if (++i >= argc)
 217         err = true;
 218       else
 219         _menufilepath = argv[i];
 220     } else if (arg == "-script") {
 221       if (++i >= argc)
 222         err = true;
 223       else
 224         _scriptfilepath = argv[i];
 225     } else if (arg == "-version") {
 226       showVersion();
 227       ::exit(0);
 228     } else if (arg == "-help") {
 229       showHelp();
 230       ::exit(0);
 231     } else
 232       err = true;
 233
 234     if (err) {
 235       showHelp();
 236       exit(1);
 237     }
 238   }
 239 }
 240
 241
 242 void Openbox::showVersion()
 243 {
 244   printf(_("Openbox - version %s\n"), OPENBOX_VERSION);
 245   printf("    (c) 2002 - 2002 Ben Jansens\n\n");
 246 }
 247
 248
 249 void Openbox::showHelp()
 250 {
 251   showVersion(); // show the version string and copyright
 252
 253   // print program usage and command line options
 254   printf(_("Usage: %s [OPTIONS...]\n\
 255   Options:\n\
 256   -display <string>  use display connection.\n\
 257   -rc <string>       use alternate resource file.\n\
 258   -menu <string>     use alternate menu file.\n\
 259   -script <string>   use alternate startup script file.\n\
 260   -version           display version and exit.\n\
 261   -help              display this help text and exit.\n\n"), _argv0);
 262
 263   printf(_("Compile time options:\n\
 264   Debugging: %s\n\
 265   Shape:     %s\n\
 266   Xinerama:  %s\n"),
 267 #ifdef    DEBUG
 268          _("yes"),
 269 #else // !DEBUG
 270          _("no"),
 271 #endif // DEBUG
 272
 273 #ifdef    SHAPE
 274          _("yes"),
 275 #else // !SHAPE
 276          _("no"),
 277 #endif // SHAPE
 278
 279 #ifdef    XINERAMA
 280          _("yes")
 281 #else // !XINERAMA
 282          _("no")
 283 #endif // XINERAMA
 284     );
 285 }
 286
 287
 288 void Openbox::eventLoop()
 289 {
 290   while (!_doshutdown) {
 291     dispatchEvents(); // from OtkEventDispatcher
 292     _timermanager.fire();
 293   }
 294 }
 295
 296
 297 void Openbox::addClient(Window window, OBClient *client)
 298 {
 299   _clients[window] = client;
 300 }
 301
 302
 303 void Openbox::removeClient(Window window)
 304 {
 305   _clients.erase(window);
 306 }
 307
 308
 309 OBClient *Openbox::findClient(Window window)
 310 {
 311   /*
 312     NOTE: we dont use _clients[] to find the value because that will insert
 313     a new null into the hash, which really sucks when we want to clean up the
 314     hash at shutdown!
 315   */
 316   ClientMap::iterator it = _clients.find(window);
 317   if (it != _clients.end())
 318     return it->second;
 319   else
 320     return (OBClient*) 0;
 321 }
 322
 323 }
 324