285 lines
8.8 KiB
C++
285 lines
8.8 KiB
C++
/*****************************************************************
|
|
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 <kconfig.h>
|
|
|
|
#include "main.h"
|
|
|
|
#include <klocale.h>
|
|
#include <stdlib.h>
|
|
#include <kcmdlineargs.h>
|
|
#include <kaboutdata.h>
|
|
#include <dcopclient.h>
|
|
#include <unistd.h>
|
|
#include <signal.h>
|
|
#include <fcntl.h>
|
|
#include <QX11Info>
|
|
#include <stdio.h>
|
|
|
|
#include "atoms.h"
|
|
#include "options.h"
|
|
#include "sm.h"
|
|
|
|
#define INT8 _X11INT8
|
|
#define INT32 _X11INT32
|
|
#include <X11/Xproto.h>
|
|
#undef INT8
|
|
#undef INT32
|
|
|
|
namespace KWinInternal
|
|
{
|
|
|
|
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").local8Bit(), 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").local8Bit(), stderr);
|
|
exit(1);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
Application::Application( )
|
|
: KApplication( ), owner( screen_number )
|
|
{
|
|
KCmdLineArgs* args = KCmdLineArgs::parsedArgs();
|
|
if (!config()->isImmutable() && args->isSet("lock"))
|
|
{
|
|
config()->setReadOnly(true);
|
|
config()->reparseConfiguration();
|
|
}
|
|
|
|
if (screen_number == -1)
|
|
screen_number = DefaultScreen(QX11Info::display());
|
|
|
|
if( !owner.claim( args->isSet( "replace" ), true ))
|
|
{
|
|
fputs(i18n("kwin: unable to claim manager selection, another wm running? (try using --replace)\n").local8Bit(), 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(QX11Info::display(), QX11Info::appRootWindow(), SubstructureRedirectMask );
|
|
syncX(); // trigger error now
|
|
|
|
options = new Options;
|
|
atoms = new Atoms;
|
|
|
|
// 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.
|
|
|
|
dcopClient()->send( "ksplash", "", "upAndRunning(QString)", QString("wm started"));
|
|
XEvent e;
|
|
e.xclient.type = ClientMessage;
|
|
e.xclient.message_type = XInternAtom( QX11Info::display(), "_KDE_SPLASH_PROGRESS", False );
|
|
e.xclient.display = QX11Info::display();
|
|
e.xclient.window = QX11Info::appRootWindow();
|
|
e.xclient.format = 8;
|
|
strcpy( e.xclient.data.b, "wm started" );
|
|
XSendEvent( QX11Info::display(), QX11Info::appRootWindow(), False, SubstructureNotifyMask, &e );
|
|
}
|
|
|
|
Application::~Application()
|
|
{
|
|
delete Workspace::self();
|
|
if( owner.ownerWindow() != None ) // if there was no --replace (no new WM)
|
|
XSetInputFocus( QX11Info::display(), PointerRoot, RevertToPointerRoot, QX11Info::appTime() );
|
|
delete options;
|
|
}
|
|
|
|
void Application::lostSelection()
|
|
{
|
|
delete Workspace::self();
|
|
// remove windowmanager privileges
|
|
XSelectInput(QX11Info::display(), QX11Info::appRootWindow(), PropertyChangeMask );
|
|
quit();
|
|
}
|
|
|
|
bool Application::x11EventFilter( XEvent *e )
|
|
{
|
|
if ( Workspace::self()->workspaceEvent( e ) )
|
|
return TRUE;
|
|
return KApplication::x11EventFilter( 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.lower() == "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 );
|
|
KWinInternal::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.findRev('.')) != -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 != KWinInternal::screen_number && fork() == 0 )
|
|
{
|
|
KWinInternal::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(), KWinInternal::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, KWinInternal::sighandler) == SIG_IGN)
|
|
signal(SIGTERM, SIG_IGN);
|
|
if (signal(SIGINT, KWinInternal::sighandler) == SIG_IGN)
|
|
signal(SIGINT, SIG_IGN);
|
|
if (signal(SIGHUP, KWinInternal::sighandler) == SIG_IGN)
|
|
signal(SIGHUP, SIG_IGN);
|
|
|
|
KApplication::disableAutoDcopRegistration();
|
|
KWinInternal::Application a;
|
|
KWinInternal::SessionManaged weAreIndeed;
|
|
KWinInternal::SessionSaveDoneHelper helper;
|
|
|
|
fcntl(ConnectionNumber(QX11Info::display()), F_SETFD, 1);
|
|
|
|
QString appname;
|
|
if (KWinInternal::screen_number == 0)
|
|
appname = "kwin";
|
|
else
|
|
appname.sprintf("kwin-screen-%d", KWinInternal::screen_number);
|
|
|
|
DCOPClient* client = a.dcopClient();
|
|
client->registerAs( DCOPCString( appname.toAscii() ) , false);
|
|
client->setDefaultObject( "KWinInterface" );
|
|
|
|
return a.exec();
|
|
}
|
|
|
|
#include "main.moc"
|