@ -22,6 +22,8 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
# include <config.h>
# include "kdm_greet.h"
# include "kdmshutdown.h"
# include "kdmconfig.h"
@ -52,6 +54,15 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# include <X11/keysym.h>
# include <X11/cursorfont.h>
# ifdef HAVE_XCOMPOSITE
# include <X11/extensions/Xrender.h>
# include <X11/extensions/Xcomposite.h>
# endif
# include <pwd.h>
bool argb_visual_available = false ;
static int
ignoreXError ( Display * dpy ATTR_UNUSED , XErrorEvent * event ATTR_UNUSED )
{
@ -82,6 +93,20 @@ GreeterApp::GreeterApp()
}
}
GreeterApp : : GreeterApp ( Display * dpy ) : KApplication ( dpy )
{
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 ( TQTimerEvent * )
{
@ -145,13 +170,65 @@ kg_main( const char *argv0 )
kde_have_kipc = false ;
KApplication : : disableAutoDcopRegistration ( ) ;
KCrash : : setSafer ( true ) ;
GreeterApp app ;
# ifdef HAVE_XCOMPOSITE
// Begin ARGB initialization
XSetErrorHandler ( ignoreXError ) ;
argb_visual_available = false ;
char * display = 0 ;
Display * dpyi = XOpenDisplay ( display ) ;
if ( ! dpyi ) {
kdError ( ) < < " cannot connect to X server " < < display < < endl ;
exit ( 1 ) ;
}
int screen = DefaultScreen ( dpyi ) ;
Colormap colormap = 0 ;
Visual * visual = 0 ;
int event_base , error_base ;
if ( XRenderQueryExtension ( dpyi , & event_base , & error_base ) ) {
int nvi ;
XVisualInfo templ ;
templ . screen = screen ;
templ . depth = 32 ;
templ . c_class = TrueColor ;
XVisualInfo * xvi = XGetVisualInfo ( dpyi , VisualScreenMask | VisualDepthMask
| VisualClassMask , & templ , & nvi ) ;
for ( int i = 0 ; i < nvi ; i + + ) {
XRenderPictFormat * format = XRenderFindVisualFormat ( dpyi , xvi [ i ] . visual ) ;
if ( format - > type = = PictTypeDirect & & format - > direct . alphaMask ) {
visual = xvi [ i ] . visual ;
colormap = XCreateColormap ( dpyi , RootWindow ( dpyi , screen ) , visual , AllocNone ) ;
kdDebug ( ) < < " found visual with alpha support " < < endl ;
argb_visual_available = true ;
break ;
}
}
}
XSetErrorHandler ( ( XErrorHandler ) 0 ) ;
GreeterApp * app ;
if ( argb_visual_available ) {
app = new GreeterApp ( dpyi ) ;
}
else {
app = new GreeterApp ( ) ;
}
// End ARGB initialization
# else
GreeterApp * app = new GreeterApp ( ) ;
# endif
XSetIOErrorHandler ( xIOErr ) ;
TQString login_user ;
Display * dpy = qt_xdisplay ( ) ;
if ( ! _GUIStyle . isEmpty ( ) )
app . setStyle ( _GUIStyle ) ;
app - > setStyle ( _GUIStyle ) ;
// Load up the systemwide ICC profile
TQString iccConfigFile = TQString ( KDE_CONFDIR ) ;
@ -168,14 +245,15 @@ kg_main( const char *argv0 )
if ( ! _colorScheme . isEmpty ( ) ) {
KSimpleConfig config ( _colorScheme , true ) ;
config . setGroup ( " Color Scheme " ) ;
app . setPalette ( app . createApplicationPalette ( & config , 7 ) ) ;
app - > setPalette ( app - > createApplicationPalette ( & config , 7 ) ) ;
}
app . setFont ( _normalFont ) ;
app - > setFont ( _normalFont ) ;
setup_modifiers ( dpy , _numLockStatus ) ;
SecureDisplay ( dpy ) ;
KProcess * proc = 0 ;
KProcess * comp = 0 ;
if ( ! _grabServer ) {
if ( _useBackground ) {
proc = new KProcess ;
@ -187,10 +265,16 @@ kg_main( const char *argv0 )
GRecvInt ( ) ;
}
if ( ! _compositor . isEmpty ( ) ) {
comp = new KProcess ;
* comp < < TQCString ( argv0 , strrchr ( argv0 , ' / ' ) - argv0 + 2 ) + _compositor . ascii ( ) ;
comp - > start ( KProcess : : NotifyOnExit , KProcess : : Stdin ) ;
}
GSendInt ( G_Ready ) ;
kdDebug ( ) < < timestamp ( ) < < " main1 " < < endl ;
setCursor ( dpy , app . desktop ( ) - > winId ( ) , XC_left_ptr ) ;
setCursor ( dpy , app - > desktop ( ) - > winId ( ) , XC_left_ptr ) ;
for ( ; ; ) {
int rslt , cmd = GRecvInt ( ) ;
@ -214,7 +298,7 @@ kg_main( const char *argv0 )
}
KProcess * proc2 = 0 ;
app . setOverrideCursor ( Qt : : WaitCursor ) ;
app - > setOverrideCursor ( Qt : : WaitCursor ) ;
FDialog * dialog ;
# ifdef XDMCP
if ( cmd = = G_Choose ) {
@ -247,7 +331,7 @@ kg_main( const char *argv0 )
proc2 - > start ( ) ;
}
}
app . restoreOverrideCursor ( ) ;
app - > restoreOverrideCursor ( ) ;
Debug ( " entering event loop \n " ) ;
// Qt4 has a nasty habit of generating BadWindow errors in normal operation, so we simply ignore them
// This also prevents the user from being dropped to a console login if Xorg glitches or is buggy
@ -255,6 +339,9 @@ kg_main( const char *argv0 )
rslt = dialog - > exec ( ) ;
XSetErrorHandler ( ( XErrorHandler ) 0 ) ;
Debug ( " left event loop \n " ) ;
login_user = static_cast < KGreeter * > ( dialog ) - > curUser ;
delete dialog ;
delete proc2 ;
# ifdef XDMCP
@ -274,11 +361,30 @@ kg_main( const char *argv0 )
KGVerify : : done ( ) ;
if ( comp ) {
if ( _compositor = = " kompmgr " ) {
// Change process UID
// Get user UID
passwd * userinfo = getpwnam ( login_user . ascii ( ) ) ;
TQString newuid = TQString ( " %1 " ) . arg ( userinfo - > pw_uid ) ;
// kompmgr allows us to change its uid in this manner:
// 1.) Send SIGUSER1
// 2.) Send the new UID to it on the command line
comp - > kill ( SIGUSR1 ) ;
comp - > writeStdin ( newuid . ascii ( ) , newuid . length ( ) ) ;
usleep ( 50000 ) ; // Give the above function some time to execute. Note that on REALLY slow systems this could fail, leaving kompmgr running as root. TODO: Look into ways to make this more robust.
}
comp - > closeStdin ( ) ;
comp - > detach ( ) ;
delete comp ;
}
delete proc ;
UnsecureDisplay ( dpy ) ;
restore_modifiers ( ) ;
XSetInputFocus ( qt_xdisplay ( ) , PointerRoot , PointerRoot , CurrentTime ) ;
delete app ;
}
} // extern "C"
tpearson
13 years ago