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 "bindings.hh"
  13 #include "otk/property.hh"
  14 #include "otk/display.hh"
  15 #include "otk/assassin.hh"
  16 #include "otk/util.hh" // TEMPORARY
  17
  18 extern "C" {
  19 #include <X11/cursorfont.h>
  20
  21 #ifdef    HAVE_STDIO_H
  22 #  include <stdio.h>
  23 #endif // HAVE_STDIO_H
  24
  25 #ifdef    HAVE_STDLIB_H
  26 #  include <stdlib.h>
  27 #endif // HAVE_STDLIB_H
  28
  29 #ifdef    HAVE_SIGNAL_H
  30 #  include <signal.h>
  31 #endif // HAVE_SIGNAL_H
  32
  33 #ifdef    HAVE_FCNTL_H
  34 #  include <fcntl.h>
  35 #endif // HAVE_FCNTL_H
  36
  37 #ifdef    HAVE_UNISTD_H
  38 #  include <sys/types.h>
  39 #  include <unistd.h>
  40 #endif // HAVE_UNISTD_H
  41
  42 #ifdef    HAVE_SYS_SELECT_H
  43 #  include <sys/select.h>
  44 #endif // HAVE_SYS_SELECT_H
  45
  46 #include <Python.h>
  47
  48 // The initializer in openbox_wrap.cc
  49 extern void init_openbox(void);
  50 // The initializer in otk_wrap.cc
  51 extern void init_otk(void);
  52
  53 #include "gettext.h"
  54 #define _(str) gettext(str)
  55 }
  56
  57 #include <algorithm>
  58
  59 namespace ob {
  60
  61 Openbox *Openbox::instance  = (Openbox *) 0;
  62
  63
  64 void Openbox::signalHandler(int signal)
  65 {
  66   switch (signal) {
  67   case SIGHUP:
  68     // XXX: Do something with HUP? Really shouldn't, we get this when X shuts
  69     //      down and hangs-up on us.
  70
  71   case SIGINT:
  72   case SIGTERM:
  73   case SIGPIPE:
  74     printf("Caught signal %d. Exiting.\n", signal);
  75     instance->shutdown();
  76
  77     break;
  78   case SIGFPE:
  79   case SIGSEGV:
  80     printf("Caught signal %d. Aborting and dumping core.\n", signal);
  81     abort();
  82   }
  83 }
  84
  85
  86 static void runPython(const char *s) {
  87   FILE *rcpyfd = fopen(s, "r");
  88   if (!rcpyfd) {
  89     printf("failed to load python file %s\n", s);
  90   } else {
  91     PyRun_SimpleFile(rcpyfd, const_cast<char*>(s));
  92     fclose(rcpyfd);
  93   }
  94 }
  95
  96
  97 Openbox::Openbox(int argc, char **argv)
  98   : otk::OtkEventDispatcher(),
  99     otk::OtkEventHandler()
 100 {
 101   struct sigaction action;
 102
 103   _state = State_Starting; // initializing everything
 104
 105   Openbox::instance = this;
 106
 107   _displayreq = (char*) 0;
 108   _argv0 = argv[0];
 109   _doshutdown = false;
 110   _rcfilepath = otk::expandTilde("~/.openbox/rc3");
 111   _scriptfilepath = otk::expandTilde("~/.openbox/user.py");
 112   _focused_client = 0;
 113   _sync = false;
 114
 115   parseCommandLine(argc, argv);
 116
 117   // TEMPORARY: using the xrdb rc3
 118   _config.setFile(_rcfilepath);
 119   if (!_config.load()) {
 120     printf("failed to load rc file %s\n", _config.file().c_str());
 121     ::exit(2);
 122   }
 123   std::string s;
 124   _config.getValue("session.styleFile", s);
 125   _config.setFile(s);
 126   if (!_config.load()) {
 127     printf("failed to load style %s\n", _config.file().c_str());
 128     ::exit(2);
 129   }
 130
 131   // open the X display (and gets some info about it, and its screens)
 132   otk::OBDisplay::initialize(_displayreq);
 133   assert(otk::OBDisplay::display);
 134
 135   XSynchronize(otk::OBDisplay::display, _sync);
 136
 137   // set up the signal handler
 138   action.sa_handler = Openbox::signalHandler;
 139   action.sa_mask = sigset_t();
 140   action.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
 141   sigaction(SIGPIPE, &action, (struct sigaction *) 0);
 142   sigaction(SIGSEGV, &action, (struct sigaction *) 0);
 143   sigaction(SIGFPE, &action, (struct sigaction *) 0);
 144   sigaction(SIGTERM, &action, (struct sigaction *) 0);
 145   sigaction(SIGINT, &action, (struct sigaction *) 0);
 146   sigaction(SIGHUP, &action, (struct sigaction *) 0);
 147
 148   _property = new otk::OBProperty();
 149   _actions = new OBActions();
 150   _bindings = new OBBindings();
 151
 152   OBBindings::StringVect v;
 153 //  v.push_back("C-x");
 154 //  v.push_back("C-y");
 155   v.push_back("v");
 156   _bindings->add(v, 1);
 157   v.clear();
 158 //  v.push_back("C-x");
 159 //  v.push_back("C-z");
 160   v.push_back("a");
 161   _bindings->add(v, 2);
 162
 163   _bindings->display();
 164   ::exit(0);
 165
 166   setMasterHandler(_actions); // set as the master event handler
 167
 168   // create the mouse cursors we'll use
 169   _cursors.session = XCreateFontCursor(otk::OBDisplay::display, XC_left_ptr);
 170   _cursors.move = XCreateFontCursor(otk::OBDisplay::display, XC_fleur);
 171   _cursors.ll_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ll_angle);
 172   _cursors.lr_angle = XCreateFontCursor(otk::OBDisplay::display, XC_lr_angle);
 173   _cursors.ul_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ul_angle);
 174   _cursors.ur_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ur_angle);
 175
 176   // start up python and run the user's startup script
 177   Py_SetProgramName(argv[0]);
 178   Py_Initialize();
 179   init_otk();
 180   init_openbox();
 181   PyRun_SimpleString("from _otk import *; from _openbox import *;");
 182   PyRun_SimpleString("openbox = Openbox_instance()");
 183
 184   runPython(SCRIPTDIR"/clientmotion.py"); // moving and resizing clients
 185   runPython(SCRIPTDIR"/clicks.py"); // titlebar/root clicks and dblclicks
 186   runPython(_scriptfilepath.c_str());
 187
 188   // initialize all the screens
 189   OBScreen *screen;
 190   screen = new OBScreen(0, _config);
 191   if (screen->managed()) {
 192     _screens.push_back(screen);
 193     _screens[0]->manageExisting();
 194     // XXX: "change to" the first workspace on the screen to initialize stuff
 195   } else
 196     delete screen;
 197
 198   if (_screens.empty()) {
 199     printf(_("No screens were found without a window manager. Exiting.\n"));
 200     ::exit(1);
 201   }
 202
 203   // set up input focus
 204   _focused_screen = _screens[0];
 205   setFocusedClient(0);
 206
 207   _state = State_Normal; // done starting
 208 }
 209
 210
 211 Openbox::~Openbox()
 212 {
 213   _state = State_Exiting; // time to kill everything
 214
 215   std::for_each(_screens.begin(), _screens.end(), otk::PointerAssassin());
 216
 217   delete _bindings;
 218   delete _actions;
 219   delete _property;
 220
 221   // close the X display
 222   otk::OBDisplay::destroy();
 223 }
 224
 225
 226 void Openbox::parseCommandLine(int argc, char **argv)
 227 {
 228   bool err = false;
 229
 230   for (int i = 1; i < argc; ++i) {
 231     std::string arg(argv[i]);
 232
 233     if (arg == "-display") {
 234       if (++i >= argc)
 235         err = true;
 236       else
 237         _displayreq = argv[i];
 238     } else if (arg == "-rc") {
 239       if (++i >= argc)
 240         err = true;
 241       else
 242         _rcfilepath = argv[i];
 243     } else if (arg == "-menu") {
 244       if (++i >= argc)
 245         err = true;
 246       else
 247         _menufilepath = argv[i];
 248     } else if (arg == "-script") {
 249       if (++i >= argc)
 250         err = true;
 251       else
 252         _scriptfilepath = argv[i];
 253     } else if (arg == "-sync") {
 254       _sync = true;
 255     } else if (arg == "-version") {
 256       showVersion();
 257       ::exit(0);
 258     } else if (arg == "-help") {
 259       showHelp();
 260       ::exit(0);
 261     } else
 262       err = true;
 263
 264     if (err) {
 265       showHelp();
 266       exit(1);
 267     }
 268   }
 269 }
 270
 271
 272 void Openbox::showVersion()
 273 {
 274   printf(_("Openbox - version %s\n"), OPENBOX_VERSION);
 275   printf("    (c) 2002 - 2002 Ben Jansens\n\n");
 276 }
 277
 278
 279 void Openbox::showHelp()
 280 {
 281   showVersion(); // show the version string and copyright
 282
 283   // print program usage and command line options
 284   printf(_("Usage: %s [OPTIONS...]\n\
 285   Options:\n\
 286   -display <string>  use display connection.\n\
 287   -rc <string>       use alternate resource file.\n\
 288   -menu <string>     use alternate menu file.\n\
 289   -script <string>   use alternate startup script file.\n\
 290   -version           display version and exit.\n\
 291   -help              display this help text and exit.\n\n"), _argv0);
 292
 293   printf(_("Compile time options:\n\
 294   Debugging: %s\n\
 295   Shape:     %s\n\
 296   Xinerama:  %s\n"),
 297 #ifdef    DEBUG
 298          _("yes"),
 299 #else // !DEBUG
 300          _("no"),
 301 #endif // DEBUG
 302
 303 #ifdef    SHAPE
 304          _("yes"),
 305 #else // !SHAPE
 306          _("no"),
 307 #endif // SHAPE
 308
 309 #ifdef    XINERAMA
 310          _("yes")
 311 #else // !XINERAMA
 312          _("no")
 313 #endif // XINERAMA
 314     );
 315 }
 316
 317
 318 void Openbox::eventLoop()
 319 {
 320   while (!_doshutdown) {
 321     dispatchEvents(); // from OtkEventDispatcher
 322     XFlush(otk::OBDisplay::display); // flush here before we go wait for timers
 323     _timermanager.fire();
 324   }
 325 }
 326
 327
 328 void Openbox::addClient(Window window, OBClient *client)
 329 {
 330   _clients[window] = client;
 331 }
 332
 333
 334 void Openbox::removeClient(Window window)
 335 {
 336   _clients.erase(window);
 337 }
 338
 339
 340 OBClient *Openbox::findClient(Window window)
 341 {
 342   /*
 343     NOTE: we dont use _clients[] to find the value because that will insert
 344     a new null into the hash, which really sucks when we want to clean up the
 345     hash at shutdown!
 346   */
 347   ClientMap::iterator it = _clients.find(window);
 348   if (it != _clients.end())
 349     return it->second;
 350   else
 351     return (OBClient*) 0;
 352 }
 353
 354
 355 void Openbox::setFocusedClient(OBClient *c)
 356 {
 357   _focused_client = c;
 358   if (c) {
 359     _focused_screen = _screens[c->screen()];
 360   } else {
 361     assert(_focused_screen);
 362     XSetInputFocus(otk::OBDisplay::display, _focused_screen->focuswindow(),
 363                    RevertToNone, CurrentTime);
 364   }
 365 }
 366
 367 }
 368