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/*
Greeter module for xdm
Copyright (C) 1997, 1998 Steffen Hansen <hansen@kde.org>
Copyright (C) 2000-2003 Oswald Buddenhagen <ossi@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "kdm_greet.h"
#include "kdmshutdown.h"
#include "kdmconfig.h"
#include "kgapp.h"
#include "kgreeter.h"
#ifdef XDMCP
# include "kchooser.h"
#endif
#include <kprocess.h>
#include <kcmdlineargs.h>
#include <kcrash.h>
#include <kstandarddirs.h>
#include <ksimpleconfig.h>
#include <qtimer.h>
#include <qcursor.h>
#include <qpalette.h>
#include <stdlib.h> // free(), exit()
#include <unistd.h> // alarm()
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
#include <X11/cursorfont.h>
extern "C" {
static void
sigAlarm( int )
{
exit( EX_RESERVER_DPY );
}
}
GreeterApp::GreeterApp()
{
pingInterval = _isLocal ? 0 : _pingInterval;
if (pingInterval) {
struct sigaction sa;
sigemptyset( &sa.sa_mask );
sa.sa_flags = 0;
sa.sa_handler = sigAlarm;
sigaction( SIGALRM, &sa, 0 );
alarm( pingInterval * 70 ); // sic! give the "proper" pinger enough time
startTimer( pingInterval * 60000 );
}
}
void
GreeterApp::timerEvent( QTimerEvent * )
{
alarm( 0 );
if (!PingServer( qt_xdisplay() ))
::exit( EX_RESERVER_DPY );
alarm( pingInterval * 70 ); // sic! give the "proper" pinger enough time
}
bool
GreeterApp::x11EventFilter( XEvent * ev )
{
KeySym sym;
switch (ev->type) {
case FocusIn:
case FocusOut:
// Hack to tell dialogs to take focus when the keyboard is grabbed
ev->xfocus.mode = NotifyNormal;
break;
case KeyPress:
sym = XLookupKeysym( &ev->xkey, 0 );
if (sym != XK_Return && !IsModifierKey( sym ))
emit activity();
break;
case ButtonPress:
emit activity();
/* fall through */
case ButtonRelease:
// Hack to let the RMB work as LMB
if (ev->xbutton.button == 3)
ev->xbutton.button = 1;
/* fall through */
case MotionNotify:
if (ev->xbutton.state & Button3Mask)
ev->xbutton.state = (ev->xbutton.state & ~Button3Mask) | Button1Mask;
break;
}
return false;
}
extern bool kde_have_kipc;
extern "C" {
static int
xIOErr( Display * )
{
exit( EX_RESERVER_DPY );
}
void
kg_main( const char *argv0 )
{
static char *argv[] = { (char *)"kdmgreet", 0 };
KCmdLineArgs::init( 1, argv, *argv, 0, 0, 0, true );
kde_have_kipc = false;
KApplication::disableAutoDcopRegistration();
KCrash::setSafer( true );
GreeterApp app;
XSetIOErrorHandler( xIOErr );
Display *dpy = qt_xdisplay();
if (!_GUIStyle.isEmpty())
app.setStyle( _GUIStyle );
_colorScheme = locate( "data", "kdisplay/color-schemes/" + _colorScheme + ".kcsrc" );
if (!_colorScheme.isEmpty()) {
KSimpleConfig config( _colorScheme, true );
config.setGroup( "Color Scheme" );
app.setPalette( app.createApplicationPalette( &config, 7 ) );
}
app.setFont( _normalFont );
setup_modifiers( dpy, _numLockStatus );
SecureDisplay( dpy );
KProcess *proc = 0;
if (!_grabServer) {
if (_useBackground) {
proc = new KProcess;
*proc << QCString( argv0, strrchr( argv0, '/' ) - argv0 + 2 ) + "krootimage";
*proc << _backgroundCfg;
proc->start();
}
GSendInt( G_SetupDpy );
GRecvInt();
}
GSendInt( G_Ready );
setCursor( dpy, app.desktop()->winId(), XC_left_ptr );
for (;;) {
int rslt, cmd = GRecvInt();
if (cmd == G_ConfShutdown) {
int how = GRecvInt(), uid = GRecvInt();
char *os = GRecvStr();
KDMSlimShutdown::externShutdown( how, os, uid );
if (os)
free( os );
GSendInt( G_Ready );
_autoLoginDelay = 0;
continue;
}
if (cmd == G_ErrorGreet) {
if (KGVerify::handleFailVerify( qApp->desktop()->screen( _greeterScreen ) ))
break;
_autoLoginDelay = 0;
cmd = G_Greet;
}
KProcess *proc2 = 0;
app.setOverrideCursor( Qt::WaitCursor );
FDialog *dialog;
#ifdef XDMCP
if (cmd == G_Choose) {
dialog = new ChooserDlg;
GSendInt( G_Ready ); /* tell chooser to go into async mode */
GRecvInt(); /* ack */
} else
#endif
{
if ((cmd != G_GreetTimed && !_autoLoginAgain) ||
_autoLoginUser.isEmpty())
_autoLoginDelay = 0;
if (_useTheme && !_theme.isEmpty()) {
KThemedGreeter *tgrt;
dialog = tgrt = new KThemedGreeter;
if (!tgrt->isOK()) {
delete tgrt;
dialog = new KStdGreeter;
}
} else
dialog = new KStdGreeter;
if (*_preloader) {
proc2 = new KProcess;
*proc2 << _preloader;
proc2->start();
}
}
app.restoreOverrideCursor();
Debug( "entering event loop\n" );
rslt = dialog->exec();
Debug( "left event loop\n" );
delete dialog;
delete proc2;
#ifdef XDMCP
switch (rslt) {
case ex_greet:
GSendInt( G_DGreet );
continue;
case ex_choose:
GSendInt( G_DChoose );
continue;
default:
break;
}
#endif
break;
}
KGVerify::done();
delete proc;
UnsecureDisplay( dpy );
restore_modifiers();
XSetInputFocus( qt_xdisplay(), PointerRoot, PointerRoot, CurrentTime );
}
} // extern "C"
#include "kgapp.moc"
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