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