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   setMasterHandler(_actions); // set as the master event handler
 153
 154   // create the mouse cursors we'll use
 155   _cursors.session = XCreateFontCursor(otk::OBDisplay::display, XC_left_ptr);
 156   _cursors.move = XCreateFontCursor(otk::OBDisplay::display, XC_fleur);
 157   _cursors.ll_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ll_angle);
 158   _cursors.lr_angle = XCreateFontCursor(otk::OBDisplay::display, XC_lr_angle);
 159   _cursors.ul_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ul_angle);
 160   _cursors.ur_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ur_angle);
 161
 162   // initialize all the screens
 163   OBScreen *screen;
 164   screen = new OBScreen(0, _config);
 165   if (screen->managed()) {
 166     _screens.push_back(screen);
 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   // 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
 183   runPython(SCRIPTDIR"/globals.py"); // create/set global vars
 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   ScreenList::iterator it, end = _screens.end();
 189   for (it = _screens.begin(); it != end; ++it)
 190     (*it)->manageExisting();
 191
 192   // grab any keys set up before the screens existed
 193   _bindings->grabKeys(true);
 194
 195   // set up input focus
 196   _focused_screen = _screens[0];
 197   setFocusedClient(0);
 198
 199   _state = State_Normal; // done starting
 200 }
 201
 202
 203 Openbox::~Openbox()
 204 {
 205   _state = State_Exiting; // time to kill everything
 206
 207   delete _bindings;
 208   delete _actions;
 209
 210   std::for_each(_screens.begin(), _screens.end(), otk::PointerAssassin());
 211
 212   delete _property;
 213
 214   // close the X display
 215   otk::OBDisplay::destroy();
 216 }
 217
 218
 219 void Openbox::parseCommandLine(int argc, char **argv)
 220 {
 221   bool err = false;
 222
 223   for (int i = 1; i < argc; ++i) {
 224     std::string arg(argv[i]);
 225
 226     if (arg == "-display") {
 227       if (++i >= argc)
 228         err = true;
 229       else
 230         _displayreq = argv[i];
 231     } else if (arg == "-rc") {
 232       if (++i >= argc)
 233         err = true;
 234       else
 235         _rcfilepath = argv[i];
 236     } else if (arg == "-menu") {
 237       if (++i >= argc)
 238         err = true;
 239       else
 240         _menufilepath = argv[i];
 241     } else if (arg == "-script") {
 242       if (++i >= argc)
 243         err = true;
 244       else
 245         _scriptfilepath = argv[i];
 246     } else if (arg == "-sync") {
 247       _sync = true;
 248     } else if (arg == "-version") {
 249       showVersion();
 250       ::exit(0);
 251     } else if (arg == "-help") {
 252       showHelp();
 253       ::exit(0);
 254     } else
 255       err = true;
 256
 257     if (err) {
 258       showHelp();
 259       exit(1);
 260     }
 261   }
 262 }
 263
 264
 265 void Openbox::showVersion()
 266 {
 267   printf(_("Openbox - version %s\n"), OPENBOX_VERSION);
 268   printf("    (c) 2002 - 2002 Ben Jansens\n\n");
 269 }
 270
 271
 272 void Openbox::showHelp()
 273 {
 274   showVersion(); // show the version string and copyright
 275
 276   // print program usage and command line options
 277   printf(_("Usage: %s [OPTIONS...]\n\
 278   Options:\n\
 279   -display <string>  use display connection.\n\
 280   -rc <string>       use alternate resource file.\n\
 281   -menu <string>     use alternate menu file.\n\
 282   -script <string>   use alternate startup script file.\n\
 283   -version           display version and exit.\n\
 284   -help              display this help text and exit.\n\n"), _argv0);
 285
 286   printf(_("Compile time options:\n\
 287   Debugging: %s\n\
 288   Shape:     %s\n\
 289   Xinerama:  %s\n"),
 290 #ifdef    DEBUG
 291          _("yes"),
 292 #else // !DEBUG
 293          _("no"),
 294 #endif // DEBUG
 295
 296 #ifdef    SHAPE
 297          _("yes"),
 298 #else // !SHAPE
 299          _("no"),
 300 #endif // SHAPE
 301
 302 #ifdef    XINERAMA
 303          _("yes")
 304 #else // !XINERAMA
 305          _("no")
 306 #endif // XINERAMA
 307     );
 308 }
 309
 310
 311 void Openbox::eventLoop()
 312 {
 313   while (!_doshutdown) {
 314     dispatchEvents(); // from OtkEventDispatcher
 315     XFlush(otk::OBDisplay::display); // flush here before we go wait for timers
 316     _timermanager.fire();
 317   }
 318 }
 319
 320
 321 void Openbox::addClient(Window window, OBClient *client)
 322 {
 323   _clients[window] = client;
 324 }
 325
 326
 327 void Openbox::removeClient(Window window)
 328 {
 329   _clients.erase(window);
 330 }
 331
 332
 333 OBClient *Openbox::findClient(Window window)
 334 {
 335   /*
 336     NOTE: we dont use _clients[] to find the value because that will insert
 337     a new null into the hash, which really sucks when we want to clean up the
 338     hash at shutdown!
 339   */
 340   ClientMap::iterator it = _clients.find(window);
 341   if (it != _clients.end())
 342     return it->second;
 343   else
 344     return (OBClient*) 0;
 345 }
 346
 347
 348 void Openbox::setFocusedClient(OBClient *c)
 349 {
 350   _focused_client = c;
 351   if (c) {
 352     _focused_screen = _screens[c->screen()];
 353   } else {
 354     assert(_focused_screen);
 355     XSetInputFocus(otk::OBDisplay::display, _focused_screen->focuswindow(),
 356                    RevertToNone, CurrentTime);
 357   }
 358 }
 359
 360 }
 361