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00013 #include <kconfig.h>
00014
00015 #include "main.h"
00016
00017 #include <klocale.h>
00018 #include <stdlib.h>
00019 #include <kcmdlineargs.h>
00020 #include <kaboutdata.h>
00021 #include <dcopclient.h>
00022 #include <unistd.h>
00023 #include <signal.h>
00024 #include <fcntl.h>
00025
00026 #include "atoms.h"
00027 #include "options.h"
00028 #include "sm.h"
00029
00030 #define INT8 _X11INT8
00031 #define INT32 _X11INT32
00032 #include <X11/Xproto.h>
00033 #undef INT8
00034 #undef INT32
00035
00036 namespace KWinInternal
00037 {
00038
00039 Options* options;
00040
00041 Atoms* atoms;
00042
00043 int screen_number = -1;
00044
00045 static bool initting = FALSE;
00046
00047 static
00048 int x11ErrorHandler(Display *d, XErrorEvent *e)
00049 {
00050 char msg[80], req[80], number[80];
00051 bool ignore_badwindow = TRUE;
00052
00053 if (initting &&
00054 (
00055 e->request_code == X_ChangeWindowAttributes
00056 || e->request_code == X_GrabKey
00057 )
00058 && (e->error_code == BadAccess))
00059 {
00060 fputs(i18n("kwin: it looks like there's already a window manager running. kwin not started.\n").local8Bit(), stderr);
00061 exit(1);
00062 }
00063
00064 if (ignore_badwindow && (e->error_code == BadWindow || e->error_code == BadColor))
00065 return 0;
00066
00067 XGetErrorText(d, e->error_code, msg, sizeof(msg));
00068 sprintf(number, "%d", e->request_code);
00069 XGetErrorDatabaseText(d, "XRequest", number, "<unknown>", req, sizeof(req));
00070
00071 fprintf(stderr, "kwin: %s(0x%lx): %s\n", req, e->resourceid, msg);
00072
00073 if (initting)
00074 {
00075 fputs(i18n("kwin: failure during initialization; aborting").local8Bit(), stderr);
00076 exit(1);
00077 }
00078 return 0;
00079 }
00080
00081 Application::Application( )
00082 : KApplication( ), owner( screen_number )
00083 {
00084 KCmdLineArgs* args = KCmdLineArgs::parsedArgs();
00085 if (!config()->isImmutable() && args->isSet("lock"))
00086 {
00087 config()->setReadOnly(true);
00088 config()->reparseConfiguration();
00089 }
00090
00091 if (screen_number == -1)
00092 screen_number = DefaultScreen(qt_xdisplay());
00093
00094 if( !owner.claim( args->isSet( "replace" ), true ))
00095 {
00096 fputs(i18n("kwin: unable to claim manager selection, another wm running? (try using --replace)\n").local8Bit(), stderr);
00097 ::exit(1);
00098 }
00099 connect( &owner, SIGNAL( lostOwnership()), SLOT( lostSelection()));
00100
00101 initting = TRUE;
00102
00103
00104 XSetErrorHandler( x11ErrorHandler );
00105
00106
00107 XSelectInput(qt_xdisplay(), qt_xrootwin(), SubstructureRedirectMask );
00108 syncX();
00109
00110 options = new Options;
00111 atoms = new Atoms;
00112
00113
00114 (void) new Workspace( isSessionRestored() );
00115
00116 syncX();
00117
00118 initting = FALSE;
00119 dcopClient()->send( "ksplash", "", "upAndRunning(QString)", QString("wm started"));
00120 }
00121
00122
00123 Application::~Application()
00124 {
00125 delete Workspace::self();
00126 XSetInputFocus( qt_xdisplay(), PointerRoot, RevertToPointerRoot, CurrentTime );
00127 delete options;
00128 }
00129
00130 void Application::lostSelection()
00131 {
00132 delete Workspace::self();
00133
00134 XSelectInput(qt_xdisplay(), qt_xrootwin(), PropertyChangeMask );
00135 quit();
00136 }
00137
00138 bool Application::x11EventFilter( XEvent *e )
00139 {
00140 if ( Workspace::self()->workspaceEvent( e ) )
00141 return TRUE;
00142 return KApplication::x11EventFilter( e );
00143 }
00144
00145 static void sighandler(int)
00146 {
00147 QApplication::exit();
00148 }
00149
00150
00151 }
00152
00153 static const char version[] = "3.0";
00154 static const char description[] = I18N_NOOP( "The KDE window manager." );
00155
00156 static KCmdLineOptions args[] =
00157 {
00158 { "lock", I18N_NOOP("Disable configuration options"), 0 },
00159 { "replace", I18N_NOOP("Replace already running ICCCM2.0 compliant window manager."), 0 },
00160 KCmdLineLastOption
00161 };
00162
00163 extern "C"
00164 int kdemain( int argc, char * argv[] )
00165 {
00166 bool restored = false;
00167 for (int arg = 1; arg < argc; arg++)
00168 {
00169 if (! qstrcmp(argv[arg], "-session"))
00170 {
00171 restored = true;
00172 break;
00173 }
00174 }
00175
00176 if (! restored)
00177 {
00178
00179
00180
00181 QCString multiHead = getenv("KDE_MULTIHEAD");
00182 if (multiHead.lower() == "true")
00183 {
00184
00185 Display* dpy = XOpenDisplay( NULL );
00186 if ( !dpy )
00187 {
00188 fprintf(stderr, "%s: FATAL ERROR while trying to open display %s\n",
00189 argv[0], XDisplayName(NULL ) );
00190 exit (1);
00191 }
00192
00193 int number_of_screens = ScreenCount( dpy );
00194 KWinInternal::screen_number = DefaultScreen( dpy );
00195 int pos;
00196 QCString display_name = XDisplayString( dpy );
00197 XCloseDisplay( dpy );
00198 dpy = 0;
00199
00200 if ((pos = display_name.findRev('.')) != -1 )
00201 display_name.remove(pos,10);
00202
00203 QCString envir;
00204 if (number_of_screens != 1)
00205 {
00206 for (int i = 0; i < number_of_screens; i++ )
00207 {
00208
00209
00210 if ( i != KWinInternal::screen_number && fork() == 0 )
00211 {
00212 KWinInternal::screen_number = i;
00213
00214
00215 break;
00216 }
00217 }
00218
00219
00220 envir.sprintf("DISPLAY=%s.%d", display_name.data(), KWinInternal::screen_number);
00221
00222 if (putenv( strdup(envir.data())) )
00223 {
00224 fprintf(stderr,
00225 "%s: WARNING: unable to set DISPLAY environment variable\n",
00226 argv[0]);
00227 perror("putenv()");
00228 }
00229 }
00230 }
00231 }
00232
00233 KAboutData aboutData( "kwin", I18N_NOOP("KWin"),
00234 version, description, KAboutData::License_GPL,
00235 I18N_NOOP("(c) 1999-2003, The KDE Developers"));
00236 aboutData.addAuthor("Matthias Ettrich",0, "ettrich@kde.org");
00237 aboutData.addAuthor("Cristian Tibirna",0, "tibirna@kde.org");
00238 aboutData.addAuthor("Daniel M. Duley",0, "mosfet@kde.org");
00239 aboutData.addAuthor("Lubos Lunak", 0, "l.lunak@kde.org");
00240
00241 KCmdLineArgs::init(argc, argv, &aboutData);
00242 KCmdLineArgs::addCmdLineOptions( args );
00243
00244 if (signal(SIGTERM, KWinInternal::sighandler) == SIG_IGN)
00245 signal(SIGTERM, SIG_IGN);
00246 if (signal(SIGINT, KWinInternal::sighandler) == SIG_IGN)
00247 signal(SIGINT, SIG_IGN);
00248 if (signal(SIGHUP, KWinInternal::sighandler) == SIG_IGN)
00249 signal(SIGHUP, SIG_IGN);
00250
00251 KApplication::disableAutoDcopRegistration();
00252 KWinInternal::Application a;
00253 KWinInternal::SessionManaged weAreIndeed;
00254 KWinInternal::SessionSaveDoneHelper helper;
00255
00256 fcntl(ConnectionNumber(qt_xdisplay()), F_SETFD, 1);
00257
00258 QCString appname;
00259 if (KWinInternal::screen_number == 0)
00260 appname = "kwin";
00261 else
00262 appname.sprintf("kwin-screen-%d", KWinInternal::screen_number);
00263
00264 DCOPClient* client = a.dcopClient();
00265 client->registerAs( appname.data(), false);
00266 client->setDefaultObject( "KWinInterface" );
00267
00268 return a.exec();
00269 }
00270
00271 #include "main.moc"