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   _focused_client = 0;
 112   _sync = false;
 113
 114   parseCommandLine(argc, argv);
 115
 116   // TEMPORARY: using the xrdb rc3
 117   _config.setFile(_rcfilepath);
 118   if (!_config.load()) {
 119     printf("failed to load rc file %s\n", _config.file().c_str());
 120     ::exit(2);
 121   }
 122   std::string s;
 123   _config.getValue("session.styleFile", s);
 124   _config.setFile(s);
 125   if (!_config.load()) {
 126     printf("failed to load style %s\n", _config.file().c_str());
 127     ::exit(2);
 128   }
 129
 130   // open the X display (and gets some info about it, and its screens)
 131   otk::OBDisplay::initialize(_displayreq);
 132   assert(otk::OBDisplay::display);
 133
 134   XSynchronize(otk::OBDisplay::display, _sync);
 135
 136   // set up the signal handler
 137   action.sa_handler = Openbox::signalHandler;
 138   action.sa_mask = sigset_t();
 139   action.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
 140   sigaction(SIGPIPE, &action, (struct sigaction *) 0);
 141   sigaction(SIGSEGV, &action, (struct sigaction *) 0);
 142   sigaction(SIGFPE, &action, (struct sigaction *) 0);
 143   sigaction(SIGTERM, &action, (struct sigaction *) 0);
 144   sigaction(SIGINT, &action, (struct sigaction *) 0);
 145   sigaction(SIGHUP, &action, (struct sigaction *) 0);
 146
 147   _property = new otk::OBProperty();
 148
 149   _actions = new OBActions();
 150
 151   setMasterHandler(_actions); // set as the master event handler
 152
 153   // create the mouse cursors we'll use
 154   _cursors.session = XCreateFontCursor(otk::OBDisplay::display, XC_left_ptr);
 155   _cursors.move = XCreateFontCursor(otk::OBDisplay::display, XC_fleur);
 156   _cursors.ll_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ll_angle);
 157   _cursors.lr_angle = XCreateFontCursor(otk::OBDisplay::display, XC_lr_angle);
 158   _cursors.ul_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ul_angle);
 159   _cursors.ur_angle = XCreateFontCursor(otk::OBDisplay::display, XC_ur_angle);
 160
 161   // start up python and run the user's startup script
 162   Py_SetProgramName(argv[0]);
 163   Py_Initialize();
 164   init_otk();
 165   init_openbox();
 166   PyRun_SimpleString("from _otk import *; from _openbox import *;");
 167   PyRun_SimpleString("openbox = Openbox_instance()");
 168
 169   runPython(SCRIPTDIR"/clientmotion.py"); // moving and resizing clients
 170   runPython(SCRIPTDIR"/clicks.py"); // titlebar/root clicks and dblclicks
 171   runPython(_scriptfilepath.c_str());
 172
 173   // initialize all the screens
 174   OBScreen *screen;
 175   screen = new OBScreen(0, _config);
 176   if (screen->managed()) {
 177     _screens.push_back(screen);
 178     _screens[0]->manageExisting();
 179     // XXX: "change to" the first workspace on the screen to initialize stuff
 180   } else
 181     delete screen;
 182
 183   if (_screens.empty()) {
 184     printf(_("No screens were found without a window manager. Exiting.\n"));
 185     ::exit(1);
 186   }
 187
 188   // set up input focus
 189   _focused_screen = _screens[0];
 190   setFocusedClient(0);
 191
 192   _state = State_Normal; // done starting
 193 }
 194
 195
 196 Openbox::~Openbox()
 197 {
 198   _state = State_Exiting; // time to kill everything
 199
 200   std::for_each(_screens.begin(), _screens.end(), otk::PointerAssassin());
 201
 202   // close the X display
 203   otk::OBDisplay::destroy();
 204 }
 205
 206
 207 void Openbox::parseCommandLine(int argc, char **argv)
 208 {
 209   bool err = false;
 210
 211   for (int i = 1; i < argc; ++i) {
 212     std::string arg(argv[i]);
 213
 214     if (arg == "-display") {
 215       if (++i >= argc)
 216         err = true;
 217       else
 218         _displayreq = argv[i];
 219     } else if (arg == "-rc") {
 220       if (++i >= argc)
 221         err = true;
 222       else
 223         _rcfilepath = argv[i];
 224     } else if (arg == "-menu") {
 225       if (++i >= argc)
 226         err = true;
 227       else
 228         _menufilepath = argv[i];
 229     } else if (arg == "-script") {
 230       if (++i >= argc)
 231         err = true;
 232       else
 233         _scriptfilepath = argv[i];
 234     } else if (arg == "-sync") {
 235       _sync = true;
 236     } else if (arg == "-version") {
 237       showVersion();
 238       ::exit(0);
 239     } else if (arg == "-help") {
 240       showHelp();
 241       ::exit(0);
 242     } else
 243       err = true;
 244
 245     if (err) {
 246       showHelp();
 247       exit(1);
 248     }
 249   }
 250 }
 251
 252
 253 void Openbox::showVersion()
 254 {
 255   printf(_("Openbox - version %s\n"), OPENBOX_VERSION);
 256   printf("    (c) 2002 - 2002 Ben Jansens\n\n");
 257 }
 258
 259
 260 void Openbox::showHelp()
 261 {
 262   showVersion(); // show the version string and copyright
 263
 264   // print program usage and command line options
 265   printf(_("Usage: %s [OPTIONS...]\n\
 266   Options:\n\
 267   -display <string>  use display connection.\n\
 268   -rc <string>       use alternate resource file.\n\
 269   -menu <string>     use alternate menu file.\n\
 270   -script <string>   use alternate startup script file.\n\
 271   -version           display version and exit.\n\
 272   -help              display this help text and exit.\n\n"), _argv0);
 273
 274   printf(_("Compile time options:\n\
 275   Debugging: %s\n\
 276   Shape:     %s\n\
 277   Xinerama:  %s\n"),
 278 #ifdef    DEBUG
 279          _("yes"),
 280 #else // !DEBUG
 281          _("no"),
 282 #endif // DEBUG
 283
 284 #ifdef    SHAPE
 285          _("yes"),
 286 #else // !SHAPE
 287          _("no"),
 288 #endif // SHAPE
 289
 290 #ifdef    XINERAMA
 291          _("yes")
 292 #else // !XINERAMA
 293          _("no")
 294 #endif // XINERAMA
 295     );
 296 }
 297
 298
 299 void Openbox::eventLoop()
 300 {
 301   while (!_doshutdown) {
 302     dispatchEvents(); // from OtkEventDispatcher
 303     XFlush(otk::OBDisplay::display); // flush here before we go wait for timers
 304     _timermanager.fire();
 305   }
 306 }
 307
 308
 309 void Openbox::addClient(Window window, OBClient *client)
 310 {
 311   _clients[window] = client;
 312 }
 313
 314
 315 void Openbox::removeClient(Window window)
 316 {
 317   _clients.erase(window);
 318 }
 319
 320
 321 OBClient *Openbox::findClient(Window window)
 322 {
 323   /*
 324     NOTE: we dont use _clients[] to find the value because that will insert
 325     a new null into the hash, which really sucks when we want to clean up the
 326     hash at shutdown!
 327   */
 328   ClientMap::iterator it = _clients.find(window);
 329   if (it != _clients.end())
 330     return it->second;
 331   else
 332     return (OBClient*) 0;
 333 }
 334
 335
 336 void Openbox::setFocusedClient(OBClient *c)
 337 {
 338   _focused_client = c;
 339   if (c) {
 340     _focused_screen = _screens[c->screen()];
 341   } else {
 342     assert(_focused_screen);
 343     XSetInputFocus(otk::OBDisplay::display, _focused_screen->focuswindow(),
 344                    RevertToNone, CurrentTime);
 345   }
 346 }
 347
 348 }
 349