diff options
Diffstat (limited to 'kdm/kfrontend/kgapp.cpp')
| -rw-r--r-- | kdm/kfrontend/kgapp.cpp | 120 |
1 files changed, 113 insertions, 7 deletions
diff --git a/kdm/kfrontend/kgapp.cpp b/kdm/kfrontend/kgapp.cpp index 2e40d07ef..7c158bc42 100644 --- a/kdm/kfrontend/kgapp.cpp +++ b/kdm/kfrontend/kgapp.cpp @@ -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" |