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/* 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, "[email protected]");
aboutData.addAuthor("Martin Koller", 0, "[email protected]");
aboutData.addAuthor("Waldo Bastian", 0, "[email protected]");
aboutData.addAuthor("Luboš Luňák", 0, "[email protected]");
aboutData.addAuthor("Joseph Wenninger", 0, "[email protected]");
aboutData.addAuthor("Tim Jansen", 0, "[email protected]");
aboutData.addAuthor("Benoit Walter", 0, "[email protected]");
aboutData.addAuthor("Torben Weis", 0, "[email protected]");
aboutData.addAuthor("Matthias Ettrich", 0, "[email protected]");
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();
}
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