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