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kwin/main.cpp
Luboš Luňák 989606a06c Merging from old trunk: 
r643171 | lunakl | 2007-03-16 15:04:00 +0100 (Fri, 16 Mar 2007) | 3 lines

Redo ksplash states.


svn path=/trunk/KDE/kdebase/workspace/; revision=659558
2007-04-30 12:11:32 +00:00

302 lines
8.9 KiB
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/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
//#define QT_CLEAN_NAMESPACE
#include <ksharedconfig.h>
#include "main.h"
#include <kglobal.h>
#include <klocale.h>
#include <stdlib.h>
#include <kcmdlineargs.h>
#include <kaboutdata.h>
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#include <QX11Info>
#include <stdio.h>
#include <fixx11h.h>
#include <QtDBus/QtDBus>
#include <kglobal.h>
#include "atoms.h"
#include "options.h"
#include "sm.h"
#include "utils.h"
#include "effects.h"
#define INT8 _X11INT8
#define INT32 _X11INT32
#include <X11/Xproto.h>
#undef INT8
#undef INT32
namespace KWin
{
Options* options;
Atoms* atoms;
int screen_number = -1;
static bool initting = false;
static
int x11ErrorHandler(Display *d, XErrorEvent *e)
{
char msg[80], req[80], number[80];
bool ignore_badwindow = true; //maybe temporary
if (initting &&
(
e->request_code == X_ChangeWindowAttributes
|| e->request_code == X_GrabKey
)
&& (e->error_code == BadAccess))
{
fputs(i18n("kwin: it looks like there's already a window manager running. kwin not started.\n").toLocal8Bit(), stderr);
exit(1);
}
if (ignore_badwindow && (e->error_code == BadWindow || e->error_code == BadColor))
return 0;
XGetErrorText(d, e->error_code, msg, sizeof(msg));
sprintf(number, "%d", e->request_code);
XGetErrorDatabaseText(d, "XRequest", number, "<unknown>", req, sizeof(req));
fprintf(stderr, "kwin: %s(0x%lx): %s\n", req, e->resourceid, msg);
if (initting)
{
fputs(i18n("kwin: failure during initialization; aborting").toLocal8Bit(), stderr);
exit(1);
}
return 0;
}
Application::Application( )
: KApplication( ), owner( screen_number )
{
KCmdLineArgs* args = KCmdLineArgs::parsedArgs();
KSharedConfig::Ptr config = KGlobal::config();
if (!config->isImmutable() && args->isSet("lock"))
{
#warning this shouldn not be necessary
//config->setReadOnly(true);
config->reparseConfiguration();
}
if (screen_number == -1)
screen_number = DefaultScreen(display());
if( !owner.claim( args->isSet( "replace" ), true ))
{
fputs(i18n("kwin: unable to claim manager selection, another wm running? (try using --replace)\n").toLocal8Bit(), stderr);
::exit(1);
}
connect( &owner, SIGNAL( lostOwnership()), SLOT( lostSelection()));
// if there was already kwin running, it saved its configuration after loosing the selection -> reread
config->reparseConfiguration();
initting = true; // startup....
// install X11 error handler
XSetErrorHandler( x11ErrorHandler );
// check whether another windowmanager is running
XSelectInput(display(), rootWindow(), SubstructureRedirectMask );
syncX(); // trigger error now
options = new Options;
atoms = new Atoms;
initting = false; // TODO
// create workspace.
(void) new Workspace( isSessionRestored() );
syncX(); // trigger possible errors, there's still a chance to abort
initting = false; // startup done, we are up and running now.
XEvent e;
e.xclient.type = ClientMessage;
e.xclient.message_type = XInternAtom( display(), "_KDE_SPLASH_PROGRESS", False );
e.xclient.display = display();
e.xclient.window = rootWindow();
e.xclient.format = 8;
strcpy( e.xclient.data.b, "wm" );
XSendEvent( display(), rootWindow(), False, SubstructureNotifyMask, &e );
}
Application::~Application()
{
delete Workspace::self();
if( owner.ownerWindow() != None ) // if there was no --replace (no new WM)
XSetInputFocus( display(), PointerRoot, RevertToPointerRoot, xTime() );
delete options;
delete effects;
delete atoms;
}
void Application::lostSelection()
{
delete Workspace::self();
// remove windowmanager privileges
XSelectInput(display(), rootWindow(), PropertyChangeMask );
quit();
}
bool Application::x11EventFilter( XEvent *e )
{
if ( Workspace::self()->workspaceEvent( e ) )
return true;
return KApplication::x11EventFilter( e );
}
bool Application::notify( QObject* o, QEvent* e )
{
if( Workspace::self()->workspaceEvent( e ))
return true;
return KApplication::notify( o, e );
}
static void sighandler(int)
{
QApplication::exit();
}
} // namespace
static const char version[] = "3.0";
static const char description[] = I18N_NOOP( "KDE window manager" );
static KCmdLineOptions args[] =
{
{ "lock", I18N_NOOP("Disable configuration options"), 0 },
{ "replace", I18N_NOOP("Replace already-running ICCCM2.0-compliant window manager"), 0 },
KCmdLineLastOption
};
extern "C"
KDE_EXPORT int kdemain( int argc, char * argv[] )
{
bool restored = false;
for (int arg = 1; arg < argc; arg++)
{
if (! qstrcmp(argv[arg], "-session"))
{
restored = true;
break;
}
}
if (! restored)
{
// we only do the multihead fork if we are not restored by the session
// manager, since the session manager will register multiple kwins,
// one for each screen...
QByteArray multiHead = getenv("KDE_MULTIHEAD");
if (multiHead.toLower() == "true")
{
Display* dpy = XOpenDisplay( NULL );
if ( !dpy )
{
fprintf(stderr, "%s: FATAL ERROR while trying to open display %s\n",
argv[0], XDisplayName(NULL ) );
exit (1);
}
int number_of_screens = ScreenCount( dpy );
KWin::screen_number = DefaultScreen( dpy );
int pos; // temporarily needed to reconstruct DISPLAY var if multi-head
QByteArray display_name = XDisplayString( dpy );
XCloseDisplay( dpy );
dpy = 0;
if ((pos = display_name.lastIndexOf('.')) != -1 )
display_name.remove(pos,10); // 10 is enough to be sure we removed ".s"
QString envir;
if (number_of_screens != 1)
{
for (int i = 0; i < number_of_screens; i++ )
{
// if execution doesn't pass by here, then kwin
// acts exactly as previously
if ( i != KWin::screen_number && fork() == 0 )
{
KWin::screen_number = i;
// break here because we are the child process, we don't
// want to fork() anymore
break;
}
}
// in the next statement, display_name shouldn't contain a screen
// number. If it had it, it was removed at the "pos" check
envir.sprintf("DISPLAY=%s.%d", display_name.data(), KWin::screen_number);
if (putenv( strdup(envir.toAscii())) )
{
fprintf(stderr,
"%s: WARNING: unable to set DISPLAY environment variable\n",
argv[0]);
perror("putenv()");
}
}
}
}
KAboutData aboutData( "kwin", I18N_NOOP("KWin"),
version, description, KAboutData::License_GPL,
I18N_NOOP("(c) 1999-2005, The KDE Developers"));
aboutData.addAuthor("Matthias Ettrich",0, "ettrich@kde.org");
aboutData.addAuthor("Cristian Tibirna",0, "tibirna@kde.org");
aboutData.addAuthor("Daniel M. Duley",0, "mosfet@kde.org");
aboutData.addAuthor("Luboš Luňák", I18N_NOOP( "Maintainer" ), "l.lunak@kde.org");
KCmdLineArgs::init(argc, argv, &aboutData);
KCmdLineArgs::addCmdLineOptions( args );
if (signal(SIGTERM, KWin::sighandler) == SIG_IGN)
signal(SIGTERM, SIG_IGN);
if (signal(SIGINT, KWin::sighandler) == SIG_IGN)
signal(SIGINT, SIG_IGN);
if (signal(SIGHUP, KWin::sighandler) == SIG_IGN)
signal(SIGHUP, SIG_IGN);
#ifdef __GNUC__
#warning D-BUS TODO
// KApplication::disableAutoDcopRegistration();
#endif
KWin::Application a;
KWin::SessionManager weAreIndeed;
KWin::SessionSaveDoneHelper helper;
fcntl(XConnectionNumber(KWin::display()), F_SETFD, 1);
QString appname;
if (KWin::screen_number == 0)
appname = "org.kde.kwin";
else
appname.sprintf("org.kde.kwin-screen-%d", KWin::screen_number);
QDBusConnection::sessionBus().interface()->registerService( appname, QDBusConnectionInterface::DontQueueService );
return a.exec();
}
#include "main.moc"
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