Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 215 insertions, 0 deletions

diff --git a/kdesktop/main.cc b/kdesktop/main.cc
new file mode 100644
index 000000000..dd058c498
--- /dev/null
+++ b/kdesktop/main.cc
@@ -0,0 +1,215 @@
+/* This file is part of the KDE project
+   Copyright (C) 1999 David Faure (maintainer)
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+#include <config.h>
+#include <kuniqueapplication.h>
+#include <klocale.h>
+#include <dcopclient.h>
+#include <kaboutdata.h>
+#include <kcmdlineargs.h>
+#include <kopenwith.h>
+#include <kcrash.h>
+#include <kdebug.h>
+#include <kglobalsettings.h>
+#include <kglobal.h>
+#include <kconfig.h>
+#include <kmanagerselection.h>
+
+#include "desktop.h"
+#include "lockeng.h"
+#include "init.h"
+#include "krootwm.h"
+#include "kdesktopsettings.h"
+
+#include <signal.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdlib.h>
+
+static const char description[] =
+        I18N_NOOP("The KDE desktop");
+
+static const char version[] = VERSION;
+
+static KCmdLineOptions options[] =
+{
+   { "x-root", I18N_NOOP("Use this if the desktop window appears as a real window"), 0 },
+   { "noautostart", I18N_NOOP("Obsolete"), 0 },
+   { "waitforkded", I18N_NOOP("Wait for kded to finish building database"), 0 },
+   KCmdLineLastOption
+};
+
+// -----------------------------------------------------------------------------
+
+int kdesktop_screen_number = 0;
+QCString kdesktop_name, kicker_name, kwin_name;
+
+static void crashHandler(int sigId)
+{
+    DCOPClient::emergencyClose(); // unregister DCOP
+    sleep( 1 );
+    system("kdesktop &"); // try to restart
+    fprintf(stderr, "*** kdesktop (%ld) got signal %d\n", (long) getpid(), sigId);
+    ::exit(1);
+}
+
+static void signalHandler(int sigId)
+{
+    fprintf(stderr, "*** kdesktop got signal %d (Exiting)\n", sigId);
+    KCrash::setEmergencySaveFunction(0); // No restarts any more
+    // try to cleanup all windows
+    signal(SIGTERM, SIG_DFL); // next one kills
+    signal(SIGHUP,  SIG_DFL); // next one kills
+    if (kapp)
+        kapp->quit(); // turn catchable signals into clean shutdown
+}
+
+void KDesktop::slotUpAndRunning()
+{
+    // Activate crash recovery
+    if (getenv("KDE_DEBUG") == NULL)
+        KCrash::setEmergencySaveFunction(crashHandler); // Try to restart on crash
+}
+
+extern "C" KDE_EXPORT int kdemain( int argc, char **argv )
+{
+    //setup signal handling
+    signal(SIGTERM, signalHandler);
+    signal(SIGHUP,  signalHandler);
+
+    {
+        if (KGlobalSettings::isMultiHead())
+        {
+       	    Display *dpy = XOpenDisplay(NULL);
+	    if (! dpy) {
+		fprintf(stderr,
+			"%s: FATAL ERROR: couldn't open display '%s'\n",
+			argv[0], XDisplayName(NULL));
+		exit(1);
+	    }
+
+	    int number_of_screens = ScreenCount(dpy);
+	    kdesktop_screen_number = DefaultScreen(dpy);
+	    int pos;
+	    QCString display_name = XDisplayString(dpy);
+	    XCloseDisplay(dpy);
+	    dpy = 0;
+
+	    if ((pos = display_name.findRev('.')) != -1)
+		display_name.remove(pos, 10);
+
+            QCString env;
+	    if (number_of_screens != 1) {
+		for (int i = 0; i < number_of_screens; i++) {
+		    if (i != kdesktop_screen_number && fork() == 0) {
+			kdesktop_screen_number = i;
+			// break here because we are the child process, we don't
+			// want to fork() anymore
+			break;
+		    }
+		}
+
+		env.sprintf("DISPLAY=%s.%d", display_name.data(),
+			    kdesktop_screen_number);
+
+		if (putenv(strdup(env.data()))) {
+		    fprintf(stderr,
+			    "%s: WARNING: unable to set DISPLAY environment variable\n",
+			    argv[0]);
+		    perror("putenv()");
+		}
+	    }
+	}
+    }
+
+    KGlobal::locale()->setMainCatalogue("kdesktop");
+
+    if (kdesktop_screen_number == 0) {
+        kdesktop_name = "kdesktop";
+        kicker_name = "kicker";
+        kwin_name = "kwin";
+    } else {
+        kdesktop_name.sprintf("kdesktop-screen-%d", kdesktop_screen_number);
+        kicker_name.sprintf("kicker-screen-%d", kdesktop_screen_number);
+        kwin_name.sprintf("kwin-screen-%d", kdesktop_screen_number);
+    }
+
+    KAboutData aboutData( kdesktop_name, I18N_NOOP("KDesktop"),
+			  version, description, KAboutData::License_GPL,
+			  "(c) 1998-2000, The KDesktop Authors");
+    aboutData.addAuthor("David Faure", 0, "faure@kde.org");
+    aboutData.addAuthor("Martin Koller", 0, "m.koller@surfeu.at");
+    aboutData.addAuthor("Waldo Bastian", 0, "bastian@kde.org");
+    aboutData.addAuthor("Luboš Luňák", 0, "l.lunak@kde.org");
+    aboutData.addAuthor("Joseph Wenninger", 0, "kde@jowenn.at");
+    aboutData.addAuthor("Tim Jansen", 0, "tim@tjansen.de");
+    aboutData.addAuthor("Benoit Walter", 0, "b.walter@free.fr");
+    aboutData.addAuthor("Torben Weis", 0, "weis@kde.org");
+    aboutData.addAuthor("Matthias Ettrich", 0, "ettrich@kde.org");
+
+    KCmdLineArgs::init( argc, argv, &aboutData );
+    KCmdLineArgs::addCmdLineOptions( options );
+
+    if (!KUniqueApplication::start()) {
+        fprintf(stderr, "kdesktop is already running!\n");
+        exit(0);
+    }
+    DCOPClient* cl = new DCOPClient;
+    cl->attach();
+    DCOPRef r( "ksmserver", "ksmserver" );
+    r.setDCOPClient( cl );
+    r.send( "suspendStartup", QCString( "kdesktop" ));
+    delete cl;
+    KUniqueApplication app;
+    app.disableSessionManagement(); // Do SM, but don't restart.
+
+    KDesktopSettings::instance(kdesktop_name + "rc");
+    KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
+
+    bool x_root_hack = args->isSet("x-root");
+    bool wait_for_kded = args->isSet("waitforkded");
+
+    // This MUST be created before any widgets are created
+    SaverEngine saver;
+
+    // Do this before forking so that if a dialog box appears it won't
+    // be covered by other apps.
+    // And before creating KDesktop too, of course.
+    testLocalInstallation();
+
+    // Mark kdeskop as immutable if all of its config modules have been disabled
+    if (!app.config()->isImmutable() && 
+        kapp->authorizeControlModules(KRootWm::configModules()).isEmpty())
+    {
+       app.config()->setReadOnly(true);
+       app.config()->reparseConfiguration();
+    }
+
+    // for the KDE-already-running check in startkde
+    KSelectionOwner kde_running( "_KDE_RUNNING", 0 );
+    kde_running.claim( false );
+
+    KDesktop desktop( x_root_hack, wait_for_kded );
+
+    args->clear();
+
+    app.dcopClient()->setDefaultObject( "KDesktopIface" );
+
+    return app.exec();
+}