Renaming of files in preparation for code style tools.

Signed-off-by: Michele Calgaro <[email protected]>

1 files changed, 3045 insertions, 0 deletions

diff --git a/kdesktop/lock/lockprocess.cpp b/kdesktop/lock/lockprocess.cpp
new file mode 100644
index 000000000..fdde3fc9e
--- /dev/null
+++ b/kdesktop/lock/lockprocess.cpp
@@ -0,0 +1,3045 @@
+//===========================================================================
+//
+// This file is part of the TDE project
+//
+// Copyright (c) 1999 Martin R. Jones <[email protected]>
+// Copyright (c) 2003 Oswald Buddenhagen <[email protected]>
+// Copyright (c) 2010 - 2015 Timothy Pearson <[email protected]>
+//
+
+//kdesktop keeps running and checks user inactivity
+//when it should show screensaver (and maybe lock the session),
+//it starts kdesktop_lock, who does all the locking and who
+//actually starts the screensaver
+
+//It's done this way to prevent screen unlocking when kdesktop
+//crashes (e.g. because it's set to multiple wallpapers and
+//some image will be corrupted).
+
+#include <config.h>
+
+#include "lockprocess.h"
+#include "lockdlg.h"
+#include "infodlg.h"
+#include "querydlg.h"
+#include "sakdlg.h"
+#include "securedlg.h"
+#include "autologout.h"
+#include "kdesktopsettings.h"
+
+#include <dmctl.h>
+#include <dcopref.h>
+
+#include <kstandarddirs.h>
+#include <tdeapplication.h>
+#include <kservicegroup.h>
+#include <kdebug.h>
+#include <kuser.h>
+#include <tdemessagebox.h>
+#include <tdeglobalsettings.h>
+#include <tdelocale.h>
+#include <klibloader.h>
+#include <kpushbutton.h>
+#include <kstdguiitem.h>
+#include <kpixmapeffect.h>
+#include <kpixmap.h>
+#include <twin.h>
+#include <twinmodule.h>
+#include <kdialog.h>
+
+#include <tqframe.h>
+#include <tqlabel.h>
+#include <tqlayout.h>
+#include <tqcursor.h>
+#include <tqtimer.h>
+#include <tqfile.h>
+#include <tqsocketnotifier.h>
+#include <tqvaluevector.h>
+#include <tqtooltip.h>
+#include <tqimage.h>
+#include <tqregexp.h>
+#include <tqpainter.h>
+#include <tqeventloop.h>
+
+#include <tqdatetime.h>
+
+#include <stdlib.h>
+#include <assert.h>
+#include <signal.h>
+#ifdef HAVE_SETPRIORITY
+#include <sys/time.h>
+#include <sys/resource.h>
+#endif
+#include <stdio.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <errno.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <fcntl.h>
+
+#include <kcrash.h>
+
+#include <pthread.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#include <X11/Xatom.h>
+#include <X11/Intrinsic.h>
+
+#ifdef HAVE_DPMS
+extern "C" {
+#include <X11/Xmd.h>
+#ifndef Bool
+#define Bool BOOL
+#endif
+#include <X11/extensions/dpms.h>
+
+#ifndef HAVE_DPMSINFO_PROTO
+Status DPMSInfo ( Display *, CARD16 *, BOOL * );
+#endif
+}
+#endif
+
+#ifdef HAVE_XF86MISC
+#include <X11/extensions/xf86misc.h>
+#endif
+
+#ifdef HAVE_GLXCHOOSEVISUAL
+#include <GL/glx.h>
+#endif
+
+#define KDESKTOP_DEBUG_ID 1204
+
+#define LOCK_GRACE_DEFAULT          5000
+#define AUTOLOGOUT_DEFAULT          600
+
+#define DESKTOP_WALLPAPER_OBTAIN_TIMEOUT_MS	3000
+
+// Setting this define is INSECURE
+// Use it for debugging purposes ONLY
+// #define KEEP_MOUSE_UNGRABBED 1
+
+// These lines are taken on 10/2009 from X.org (X11/XF86keysym.h), defining some special multimedia keys
+#define XF86XK_AudioMute		0x1008FF12
+#define XF86XK_AudioRaiseVolume		0x1008FF13
+#define XF86XK_AudioLowerVolume		0x1008FF11
+#define XF86XK_Display			0x1008FF59
+
+// These lines are taken on 08/2013 from X.org (X11/XF86keysym.h), defining some special ACPI power keys
+#define XF86XK_PowerOff			0x1008FF2A
+#define XF86XK_Sleep			0x1008FF2F
+#define XF86XK_Suspend			0x1008FFA7
+#define XF86XK_Hibernate		0x1008FFA8
+
+#define DPMS_MONITOR_BLANKED(x) ((x == DPMSModeStandby) || (x == DPMSModeSuspend) || (x == DPMSModeOff))
+
+static Window gVRoot = 0;
+static Window gVRootData = 0;
+static Atom   gXA_VROOT;
+static Atom   gXA_SCREENSAVER_VERSION;
+
+Atom kde_wm_system_modal_notification = 0;
+Atom kde_wm_transparent_to_desktop = 0;
+Atom kde_wm_transparent_to_black = 0;
+
+static void segv_handler(int)
+{
+	kdError(KDESKTOP_DEBUG_ID) << "A fatal exception was encountered."
+		<< " Trapping and ignoring it so as not to compromise desktop security..."
+		<< kdBacktrace() << endl;
+	sleep(1);
+}
+
+extern Atom tqt_wm_state;
+extern bool trinity_desktop_lock_use_system_modal_dialogs;
+extern bool trinity_desktop_lock_delay_screensaver_start;
+extern bool trinity_desktop_lock_use_sak;
+extern bool trinity_desktop_lock_hide_active_windows;
+extern bool trinity_desktop_lock_hide_cancel_button;
+extern bool trinity_desktop_lock_forced;
+
+extern LockProcess* trinity_desktop_lock_process;
+
+extern bool argb_visual;
+extern pid_t kdesktop_pid;
+
+extern TQXLibWindowList trinity_desktop_lock_hidden_window_list;
+
+bool trinity_desktop_lock_autohide_lockdlg = TRUE;
+
+#define ENABLE_CONTINUOUS_LOCKDLG_DISPLAY \
+if (!mForceContinualLockDisplayTimer->isActive()) mForceContinualLockDisplayTimer->start(100, FALSE); \
+trinity_desktop_lock_autohide_lockdlg = FALSE; \
+mHackDelayStartupTimer->stop();
+
+#define DISABLE_CONTINUOUS_LOCKDLG_DISPLAY \
+mForceContinualLockDisplayTimer->stop(); \
+trinity_desktop_lock_autohide_lockdlg = TRUE; \
+mHackDelayStartupTimer->stop();
+
+//===========================================================================
+//
+// Screen saver handling process.  Handles screensaver window,
+// starting screensaver hacks, and password entry.
+//
+LockProcess::LockProcess()
+	: TQWidget(0L, "saver window", ((WFlags)(WStyle_StaysOnTop|WStyle_Customize|WStyle_NoBorder))),
+	mOpenGLVisual(0),
+	mParent(0),
+	mShowLockDateTime(false),
+	mSuspended(false),
+	mVisibility(false),
+	mRestoreXF86Lock(false),
+	mForbidden(false),
+	mAutoLogout(false),
+	resizeTimer(NULL),
+	hackResumeTimer(NULL),
+	mVkbdProcess(NULL),
+	mKWinModule(NULL),
+	mPipeOpen(false),
+	mPipeOpen_out(false),
+	mInfoMessageDisplayed(false),
+	mDialogControlLock(false),
+	mForceReject(false),
+	currentDialog(NULL),
+	mEnsureScreenHiddenTimer(NULL),
+	mForceContinualLockDisplayTimer(NULL),
+	mEnsureVRootWindowSecurityTimer(NULL),
+	mHackDelayStartupTimer(NULL),
+	mHackDelayStartupTimeout(0),
+	mHackStartupEnabled(true),
+	mOverrideHackStartupEnabled(false),
+	mResizingDesktopLock(false),
+	mFullyOnlineSent(false),
+	mClosingWindows(false),
+	mInSecureDialog(false),
+	mHackActive(false),
+	m_rootPixmap(NULL),
+	mBackingStartupDelayTimer(0),
+	m_startupStatusDialog(NULL),
+	m_mouseDown(0),
+	m_mousePrevX(0),
+	m_mousePrevY(0),
+	m_dialogPrevX(0),
+	m_dialogPrevY(0),
+	m_notifyReadyRequested(false),
+	m_loginCardDevice(NULL),
+	m_maskWidget(NULL),
+	m_saverRootWindow(0)
+{
+#ifdef KEEP_MOUSE_UNGRABBED
+	setNFlags(WX11DisableMove|WX11DisableClose|WX11DisableShade|WX11DisableMinimize|WX11DisableMaximize);
+#endif
+
+	setupSignals();
+
+	// Set up atoms
+	kde_wm_system_modal_notification = XInternAtom(tqt_xdisplay(), "_TDE_WM_MODAL_SYS_NOTIFICATION", False);
+	kde_wm_transparent_to_desktop = XInternAtom(tqt_xdisplay(), "_TDE_TRANSPARENT_TO_DESKTOP", False);
+	kde_wm_transparent_to_black = XInternAtom(tqt_xdisplay(), "_TDE_TRANSPARENT_TO_BLACK", False);
+
+	kapp->installX11EventFilter(this);
+
+	mForceContinualLockDisplayTimer = new TQTimer( this );
+	mHackDelayStartupTimer = new TQTimer( this );
+	mEnsureVRootWindowSecurityTimer = new TQTimer( this );
+
+	if (!argb_visual) {
+		// Try to get the root pixmap
+		if (!m_rootPixmap) m_rootPixmap = new KRootPixmap(this);
+		connect(m_rootPixmap, TQT_SIGNAL(backgroundUpdated(const TQPixmap &)), this, TQT_SLOT(slotPaintBackground(const TQPixmap &)));
+		m_rootPixmap->setCustomPainting(true);
+		m_rootPixmap->start();
+	}
+
+	// Get root window attributes
+	XWindowAttributes rootAttr;
+	XGetWindowAttributes(tqt_xdisplay(), RootWindow(tqt_xdisplay(), tqt_xscreen()), &rootAttr);
+	{ // trigger creation of QToolTipManager, it does XSelectInput() on the root window
+		TQWidget w;
+		TQToolTip::add( &w, "foo" );
+	}
+	XSelectInput( tqt_xdisplay(), tqt_xrootwin(), SubstructureNotifyMask | rootAttr.your_event_mask );
+
+	// Add non-TDE path
+	TDEGlobal::dirs()->addResourceType("scrsav",
+					TDEGlobal::dirs()->kde_default("apps") +
+					"System/ScreenSavers/");
+
+	// Add KDE specific screensaver path
+	TQString relPath="System/ScreenSavers/";
+	KServiceGroup::Ptr servGroup = KServiceGroup::baseGroup( "screensavers");
+	if (servGroup) {
+		relPath=servGroup->relPath();
+		kdDebug(KDESKTOP_DEBUG_ID) << "relPath=" << relPath << endl;
+	}
+	TDEGlobal::dirs()->addResourceType("scrsav",
+					TDEGlobal::dirs()->kde_default("apps") +
+					relPath);
+
+	// virtual root property
+	gXA_VROOT = XInternAtom (tqt_xdisplay(), "__SWM_VROOT", False);
+	gXA_SCREENSAVER_VERSION = XInternAtom (tqt_xdisplay(), "_SCREENSAVER_VERSION", False);
+
+	TQStringList dmopt = TQStringList::split(TQChar(','),
+				TQString::fromLatin1( ::getenv( "XDM_MANAGED" )));
+	for (TQStringList::ConstIterator it = dmopt.begin(); it != dmopt.end(); ++it) {
+		if ((*it).startsWith("method=")) {
+			mMethod = (*it).mid(7);
+		}
+	}
+
+	// Initialize SmartCard readers
+	TDEGenericDevice *hwdevice;
+	TDEHardwareDevices *hwdevices = TDEGlobal::hardwareDevices();
+	TDEGenericHardwareList cardReaderList = hwdevices->listByDeviceClass(TDEGenericDeviceType::CryptographicCard);
+	for (hwdevice = cardReaderList.first(); hwdevice; hwdevice = cardReaderList.next()) {
+		TDECryptographicCardDevice* cdevice = static_cast<TDECryptographicCardDevice*>(hwdevice);
+		// connect(cdevice, SIGNAL(pinRequested(TQString,TDECryptographicCardDevice*)), this, SLOT(cryptographicCardPinRequested(TQString,TDECryptographicCardDevice*)));
+		connect(cdevice, TQT_SIGNAL(certificateListAvailable(TDECryptographicCardDevice*)), this, TQT_SLOT(cryptographicCardInserted(TDECryptographicCardDevice*)));
+		connect(cdevice, TQT_SIGNAL(cardRemoved(TDECryptographicCardDevice*)), this, TQT_SLOT(cryptographicCardRemoved(TDECryptographicCardDevice*)));
+		cdevice->enableCardMonitoring(true);
+		// cdevice->enablePINEntryCallbacks(true);
+	}
+
+#ifdef KEEP_MOUSE_UNGRABBED
+	setEnabled(false);
+#endif
+
+	greetPlugin.library = 0;
+
+	TDECrash::setCrashHandler(segv_handler);
+}
+
+//---------------------------------------------------------------------------
+//
+// Destructor - usual cleanups.
+//
+LockProcess::~LockProcess()
+{
+	mControlPipeHandler->terminateThread();
+	mControlPipeHandlerThread->wait();
+	delete mControlPipeHandler;
+// 	delete mControlPipeHandlerThread;
+
+	if (resizeTimer != NULL) {
+		resizeTimer->stop();
+		delete resizeTimer;
+	}
+	if (hackResumeTimer != NULL) {
+		hackResumeTimer->stop();
+		delete hackResumeTimer;
+	}
+	if (mEnsureScreenHiddenTimer != NULL) {
+		mEnsureScreenHiddenTimer->stop();
+		delete mEnsureScreenHiddenTimer;
+	}
+	if (mForceContinualLockDisplayTimer != NULL) {
+		mForceContinualLockDisplayTimer->stop();
+		delete mForceContinualLockDisplayTimer;
+	}
+	if (mHackDelayStartupTimer != NULL) {
+		mHackDelayStartupTimer->stop();
+		delete mHackDelayStartupTimer;
+	}
+	if (mEnsureVRootWindowSecurityTimer != NULL) {
+		mEnsureVRootWindowSecurityTimer->stop();
+		delete mEnsureVRootWindowSecurityTimer;
+	}
+
+	if (greetPlugin.library) {
+		if (greetPlugin.info->done)
+		greetPlugin.info->done();
+		greetPlugin.library->unload();
+	}
+
+	if (m_rootPixmap) {
+		m_rootPixmap->stop();
+		delete m_rootPixmap;
+	}
+
+	mPipeOpen = false;
+	mPipeOpen_out = false;
+}
+
+//---------------------------------------------------------------------------
+//
+// Initialization for startup
+// This is where instance settings should be set--all objects should have already been created in the constructor above
+//
+void LockProcess::init(bool child, bool useBlankOnly)
+{
+	// Get root window size
+	XWindowAttributes rootAttr;
+	XGetWindowAttributes(tqt_xdisplay(), RootWindow(tqt_xdisplay(), tqt_xscreen()), &rootAttr);
+	mRootWidth = rootAttr.width;
+	mRootHeight = rootAttr.height;
+	generateBackingImages();
+
+	// Connect all signals
+	connect( mForceContinualLockDisplayTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(displayLockDialogIfNeeded()) );
+	connect( mHackDelayStartupTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(closeDialogAndStartHack()) );
+	connect( mEnsureVRootWindowSecurityTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(repaintRootWindowIfNeeded()) );
+	connect(tqApp, TQT_SIGNAL(mouseInteraction(XEvent *)), TQT_SLOT(slotMouseActivity(XEvent *)));
+	connect(&mHackProc, TQT_SIGNAL(processExited(TDEProcess *)), TQT_SLOT(hackExited(TDEProcess *)));
+	connect(&mSuspendTimer, TQT_SIGNAL(timeout()), TQT_SLOT(suspend()));
+
+#ifdef HAVE_DPMS
+	//if the user decided that the screensaver should run independent from
+	//dpms, we shouldn't check for it, aleXXX
+	if (KDesktopSettings::dpmsDependent()) {
+		BOOL on;
+		CARD16 state;
+		if (DPMSInfo(tqt_xdisplay(), &state, &on)) {
+			if (on) {
+				connect(&mCheckDPMS, TQT_SIGNAL(timeout()), TQT_SLOT(checkDPMSActive()));
+				// we can save CPU if we stop it as quickly as possible
+				// but we waste CPU if we check too often -> so take 10s
+				mCheckDPMS.start(10000);
+			}
+		}
+	}
+#endif
+
+#if (TQT_VERSION-0 >= 0x030200) // XRANDR support
+	connect( kapp->desktop(), TQT_SIGNAL( resized( int )), TQT_SLOT( desktopResized()));
+#endif
+
+	if (!trinity_desktop_lock_use_system_modal_dialogs) {
+		setWFlags((WFlags)WX11BypassWM);
+	}
+
+	child_saver = child;
+	mUseBlankOnly = useBlankOnly;
+
+	mShowLockDateTime = KDesktopSettings::showLockDateTime();
+	mlockDateTime = TQDateTime::currentDateTime();
+
+	mHackDelayStartupTimeout = trinity_desktop_lock_delay_screensaver_start?KDesktopSettings::timeout()*1000:10*1000;
+	mHackStartupEnabled = trinity_desktop_lock_use_system_modal_dialogs?KDesktopSettings::screenSaverEnabled():true;
+
+	configure();
+
+	mControlPipeHandlerThread = new TQEventLoopThread();
+	mControlPipeHandler = new ControlPipeHandlerObject();
+	mControlPipeHandler->mParent = this;
+	mControlPipeHandler->moveToThread(mControlPipeHandlerThread);
+	TQObject::connect(mControlPipeHandler, SIGNAL(processCommand(TQString)), this, SLOT(processInputPipeCommand(TQString)));
+	TQTimer::singleShot(0, mControlPipeHandler, SLOT(run()));
+	mControlPipeHandlerThread->start();
+}
+
+static int signal_pipe[2];
+
+static void sigterm_handler(int)
+{
+	if ((!trinity_desktop_lock_process) || (!trinity_desktop_lock_process->inSecureDialog())) {
+		// Exit uncleanly
+		char tmp = 'U';
+		if (::write( signal_pipe[1], &tmp, 1) == -1) {
+			// Error handler to shut up gcc warnings
+		}
+	}
+}
+
+static void sighup_handler(int)
+{
+	char tmp = 'H';
+	if (::write( signal_pipe[1], &tmp, 1) == -1) {
+		// Error handler to shut up gcc warnings
+	}
+}
+
+bool LockProcess::closeCurrentWindow()
+{
+	mClosingWindows = TRUE;
+	if (currentDialog != NULL) {
+		mForceReject = true;
+		if (dynamic_cast<SAKDlg*>(currentDialog)) {
+			dynamic_cast<SAKDlg*>(currentDialog)->closeDialogForced();
+		}
+		else if (dynamic_cast<SecureDlg*>(currentDialog)) {
+			dynamic_cast<SecureDlg*>(currentDialog)->closeDialogForced();
+		}
+		else {
+			currentDialog->close();
+		}
+	}
+
+	if( mDialogs.isEmpty() ) {
+		mClosingWindows = FALSE;
+		mForceReject = false;
+		return false;
+	}
+	else {
+		mClosingWindows = TRUE;
+		return true;
+	}
+}
+
+void LockProcess::timerEvent(TQTimerEvent *ev)
+{
+	if (mAutoLogout && ev->timerId() == mAutoLogoutTimerId) {
+		killTimer(mAutoLogoutTimerId);
+		AutoLogout autologout(this);
+		execDialog(&autologout);
+	}
+}
+
+void LockProcess::resizeEvent(TQResizeEvent *)
+{
+	//
+}
+
+void LockProcess::setupSignals()
+{
+	struct sigaction act;
+	// ignore SIGINT
+	act.sa_handler=SIG_IGN;
+	sigemptyset(&(act.sa_mask));
+	sigaddset(&(act.sa_mask), SIGINT);
+	act.sa_flags = 0;
+	sigaction(SIGINT, &act, 0L);
+	// ignore SIGQUIT
+	act.sa_handler=SIG_IGN;
+	sigemptyset(&(act.sa_mask));
+	sigaddset(&(act.sa_mask), SIGQUIT);
+	act.sa_flags = 0;
+	sigaction(SIGQUIT, &act, 0L);
+	// exit uncleanly on SIGTERM
+	act.sa_handler= sigterm_handler;
+	sigemptyset(&(act.sa_mask));
+	sigaddset(&(act.sa_mask), SIGTERM);
+	act.sa_flags = 0;
+	sigaction(SIGTERM, &act, 0L);
+	// SIGHUP forces lock
+	act.sa_handler= sighup_handler;
+	sigemptyset(&(act.sa_mask));
+	sigaddset(&(act.sa_mask), SIGHUP);
+	act.sa_flags = 0;
+	sigaction(SIGHUP, &act, 0L);
+
+	if (pipe(signal_pipe) == -1) {
+		// Error handler to shut up gcc warnings
+	}
+	TQSocketNotifier* notif = new TQSocketNotifier(signal_pipe[0], TQSocketNotifier::Read, TQT_TQOBJECT(this) );
+	connect( notif, TQT_SIGNAL(activated(int)), TQT_SLOT(signalPipeSignal()));
+}
+
+
+void LockProcess::signalPipeSignal()
+{
+	char tmp;
+	if (::read( signal_pipe[0], &tmp, 1) == -1) {
+		// Error handler to shut up gcc warnings
+	}
+	if( tmp == 'T' ) {
+		quitSaver();
+	}
+	else if( tmp == 'H' ) {
+		if( !mLocked )
+		startLock();
+	}
+	else if( tmp == 'U' ) {
+		// Exit uncleanly
+		quitSaver();
+		exit(1);
+	}
+}
+
+//---------------------------------------------------------------------------
+bool LockProcess::lock()
+{
+#ifdef USE_SECURING_DESKTOP_NOTIFICATION
+	m_startupStatusDialog = new KSMModalDialog(this);
+	m_startupStatusDialog->setStatusMessage(i18n("Securing desktop session").append("..."));
+	m_startupStatusDialog->show();
+	m_startupStatusDialog->setActiveWindow();
+	tqApp->processEvents();
+#endif
+
+	if (startSaver(true)) {
+		// In case of a forced lock we don't react to events during
+		// the dead-time to give the screensaver some time to activate.
+		// That way we don't accidentally show the password dialog before
+		// the screensaver kicks in because the user moved the mouse after
+		// selecting "lock screen", that looks really untidy.
+		mBusy = true;
+		if (startLock()) {
+			TQTimer::singleShot(1000, this, TQT_SLOT(slotDeadTimePassed()));
+			return true;
+		}
+		stopSaver();
+		mBusy = false;
+	}
+	return false;
+}
+//---------------------------------------------------------------------------
+void LockProcess::slotDeadTimePassed()
+{
+	mBusy = false;
+}
+
+//---------------------------------------------------------------------------
+bool LockProcess::defaultSave()
+{
+	mLocked = false;
+	mOverrideHackStartupEnabled = true;
+	if (startSaver()) {
+		if (mLockGrace >= 0) {
+			TQTimer::singleShot(mLockGrace, this, TQT_SLOT(startLock()));
+		}
+		return true;
+	}
+	mOverrideHackStartupEnabled = false;
+	return false;
+}
+
+//---------------------------------------------------------------------------
+bool LockProcess::dontLock()
+{
+	mLocked = false;
+	return startSaver();
+}
+
+//---------------------------------------------------------------------------
+void LockProcess::quitSaver()
+{
+	DISABLE_CONTINUOUS_LOCKDLG_DISPLAY
+	if (closeCurrentWindow()) {
+		TQTimer::singleShot( 0, this, SLOT(quitSaver()) );
+		return;
+	}
+	stopSaver();
+	kapp->quit();
+}
+
+//---------------------------------------------------------------------------
+void LockProcess::startSecureDialog()
+{
+	if ((backingPixmap.isNull()) && (mBackingStartupDelayTimer < 100)) {
+		TQTimer::singleShot(10, this, TQT_SLOT(startSecureDialog()));
+		mBackingStartupDelayTimer++;
+		return;
+	}
+
+	setGeometry(0, 0, mRootWidth, mRootHeight);
+	saverReadyIfNeeded();
+
+	int ret;
+	SecureDlg inDlg( this );
+	inDlg.setRetInt(&ret);
+	mBusy = true;
+	execDialog( &inDlg );
+	mBusy = false;
+	bool forcecontdisp = mForceContinualLockDisplayTimer->isActive();
+	if (forcecontdisp) {
+		DISABLE_CONTINUOUS_LOCKDLG_DISPLAY
+	}
+	mInSecureDialog = false;
+	if (ret == 0) {
+		mClosingWindows = 1;
+		kapp->quit();
+	}
+	if (ret == 1) {
+		// In case of a forced lock we don't react to events during
+		// the dead-time to give the screensaver some time to activate.
+		// That way we don't accidentally show the password dialog before
+		// the screensaver kicks in because the user moved the mouse after
+		// selecting "lock screen", that looks really untidy.
+		mBusy = true;
+		trinity_desktop_lock_forced = true;
+		// Make sure the cursor is not showing busy status
+		setCursor( tqarrowCursor );
+		if (startLock())
+		{
+			if (trinity_desktop_lock_delay_screensaver_start) {
+				mBusy = false;
+			}
+			else {
+				TQTimer::singleShot(1000, this, TQT_SLOT(slotDeadTimePassed()));
+			}
+			if (trinity_desktop_lock_delay_screensaver_start && trinity_desktop_lock_forced && trinity_desktop_lock_use_system_modal_dialogs) {
+				ENABLE_CONTINUOUS_LOCKDLG_DISPLAY
+				if (mHackStartupEnabled) mHackDelayStartupTimer->start(mHackDelayStartupTimeout, TRUE);
+			}
+			else {
+				if (mHackStartupEnabled == true) {
+					startHack();
+				}
+				else {
+					if (trinity_desktop_lock_use_system_modal_dialogs == true) {
+						ENABLE_CONTINUOUS_LOCKDLG_DISPLAY
+						if (mHackStartupEnabled) mHackDelayStartupTimer->start(mHackDelayStartupTimeout, TRUE);
+					}
+					else {
+						startHack();
+					}
+				}
+			}
+			return;
+		}
+		stopSaver();
+		mBusy = false;
+		return;
+	}
+	if (ret == 2) {
+		mClosingWindows = 1;
+		if (system("ksysguard &") == -1) {
+                    // Error handler to shut up gcc warnings
+                }
+		kapp->quit();
+	}
+	if (ret == 3) {
+		mClosingWindows = 1;
+		DCOPRef("ksmserver","ksmserver").send("logout", (int)TDEApplication::ShutdownConfirmYes, (int)TDEApplication::ShutdownTypeNone, (int)TDEApplication::ShutdownModeInteractive);
+		kapp->quit();
+	}
+	// FIXME
+	// Handle remaining case (switch user)
+	if (forcecontdisp) {
+		ENABLE_CONTINUOUS_LOCKDLG_DISPLAY
+		if (mHackStartupEnabled) mHackDelayStartupTimer->start(mHackDelayStartupTimeout, TRUE);
+	}
+	stopSaver();
+}
+
+bool LockProcess::runSecureDialog()
+{
+#ifdef USE_SECURING_DESKTOP_NOTIFICATION
+	m_startupStatusDialog = new KSMModalDialog(this);
+	m_startupStatusDialog->setStatusMessage(i18n("Securing desktop session").append("..."));
+	m_startupStatusDialog->show();
+	m_startupStatusDialog->setActiveWindow();
+	tqApp->processEvents();
+#endif
+
+	mInSecureDialog = true;
+	if (startSaver()) {
+		mBackingStartupDelayTimer = 0;
+		TQTimer::singleShot(0, this, TQT_SLOT(startSecureDialog()));
+		return true;
+	}
+	else {
+		mInSecureDialog = false;
+		return false;
+	}
+}
+
+bool LockProcess::inSecureDialog()
+{
+	return mInSecureDialog;
+}
+
+//---------------------------------------------------------------------------
+//
+// Read and apply configuration.
+//
+void LockProcess::configure()
+{
+	// the configuration is stored in kdesktop's config file
+	if( KDesktopSettings::lock() ) {
+		mLockGrace = KDesktopSettings::lockGrace();
+		if (mLockGrace < 0)
+		mLockGrace = 0;
+		else if (mLockGrace > 300000)
+		mLockGrace = 300000; // 5 minutes, keep the value sane
+	}
+	else
+		mLockGrace = -1;
+
+	if ( KDesktopSettings::autoLogout() ) {
+		mAutoLogout = true;
+		mAutoLogoutTimeout = KDesktopSettings::autoLogoutTimeout();
+		mAutoLogoutTimerId = startTimer(mAutoLogoutTimeout * 1000); // in milliseconds
+	}
+
+	mPriority = KDesktopSettings::priority();
+	if (mPriority < 0) mPriority = 0;
+	if (mPriority > 19) mPriority = 19;
+
+	mSaver = KDesktopSettings::saver();
+	if (mSaver.isEmpty() || mUseBlankOnly) {
+		mSaver = "KBlankscreen.desktop";
+	}
+	if (!trinity_desktop_lock_use_system_modal_dialogs) {
+		if (KDesktopSettings::screenSaverEnabled() == false) {
+		mSaver = "";
+		mSaverExec = "";
+		}
+	}
+
+	readSaver();
+
+	mPlugins = KDesktopSettings::pluginsUnlock();
+	if (mPlugins.isEmpty()) {
+		mPlugins = TQStringList("classic");
+	}
+	mPluginOptions = KDesktopSettings::pluginOptions();
+}
+
+//---------------------------------------------------------------------------
+//
+// Read the command line needed to run the screensaver given a .desktop file.
+//
+void LockProcess::readSaver()
+{
+	if (!mSaver.isEmpty()) {
+		TQString file = locate("scrsav", mSaver);
+
+		bool opengl = kapp->authorize("opengl_screensavers");
+		bool manipulatescreen = kapp->authorize("manipulatescreen_screensavers");
+		KDesktopFile config(file, true);
+		if (config.readEntry("X-TDE-Type").utf8() != 0) {
+			TQString saverType = config.readEntry("X-TDE-Type").utf8();
+			TQStringList saverTypes = TQStringList::split(";", saverType);
+			for (uint i = 0; i < saverTypes.count(); i++) {
+				if ((saverTypes[i] == "ManipulateScreen") && !manipulatescreen) {
+					kdDebug(KDESKTOP_DEBUG_ID) << "Screensaver is type ManipulateScreen and ManipulateScreen is forbidden" << endl;
+					mForbidden = true;
+				}
+				if ((saverTypes[i] == "OpenGL") && !opengl) {
+					kdDebug(KDESKTOP_DEBUG_ID) << "Screensaver is type OpenGL and OpenGL is forbidden" << endl;
+					mForbidden = true;
+				}
+				if (saverTypes[i] == "OpenGL") {
+					mOpenGLVisual = true;
+				}
+			}
+		}
+
+		kdDebug(KDESKTOP_DEBUG_ID) << "mForbidden: " << (mForbidden ? "true" : "false") << endl;
+
+		if (trinity_desktop_lock_use_system_modal_dialogs) {
+			if (config.hasActionGroup("InWindow")) {
+				config.setActionGroup("InWindow");
+				mSaverExec = config.readPathEntry("Exec");
+			}
+		}
+		else {
+			if (config.hasActionGroup("Root")) {
+				config.setActionGroup("Root");
+				mSaverExec = config.readPathEntry("Exec");
+			}
+		}
+	}
+}
+
+//---------------------------------------------------------------------------
+//
+// Create a window to draw our screen saver on.
+//
+void LockProcess::createSaverWindow()
+{
+	Visual* visual = CopyFromParent;
+	XSetWindowAttributes attrs;
+	XVisualInfo* info = NULL;
+	int flags = trinity_desktop_lock_use_system_modal_dialogs?0:CWOverrideRedirect;
+#ifdef HAVE_GLXCHOOSEVISUAL
+	if( mOpenGLVisual ) {
+		static int attribs[][ 15 ] = {
+			#define R GLX_RED_SIZE
+			#define G GLX_GREEN_SIZE
+			#define B GLX_BLUE_SIZE
+			{ GLX_RGBA, R, 8, G, 8, B, 8, GLX_DEPTH_SIZE, 8, GLX_DOUBLEBUFFER, GLX_STENCIL_SIZE, 1, None },
+			{ GLX_RGBA, R, 4, G, 4, B, 4, GLX_DEPTH_SIZE, 4, GLX_DOUBLEBUFFER, GLX_STENCIL_SIZE, 1, None },
+			{ GLX_RGBA, R, 8, G, 8, B, 8, GLX_DEPTH_SIZE, 8, GLX_DOUBLEBUFFER, None },
+			{ GLX_RGBA, R, 4, G, 4, B, 4, GLX_DEPTH_SIZE, 4, GLX_DOUBLEBUFFER, None },
+			{ GLX_RGBA, R, 8, G, 8, B, 8, GLX_DEPTH_SIZE, 8, GLX_STENCIL_SIZE, 1, None },
+			{ GLX_RGBA, R, 4, G, 4, B, 4, GLX_DEPTH_SIZE, 4, GLX_STENCIL_SIZE, 1, None },
+			{ GLX_RGBA, R, 8, G, 8, B, 8, GLX_DEPTH_SIZE, 8, None },
+			{ GLX_RGBA, R, 4, G, 4, B, 4, GLX_DEPTH_SIZE, 4, None },
+			{ GLX_RGBA, GLX_DEPTH_SIZE, 8, GLX_DOUBLEBUFFER, GLX_STENCIL_SIZE, 1, None },
+			{ GLX_RGBA, GLX_DEPTH_SIZE, 8, GLX_DOUBLEBUFFER, None },
+			{ GLX_RGBA, GLX_DEPTH_SIZE, 8, GLX_STENCIL_SIZE, 1, None },
+			{ GLX_RGBA, GLX_DEPTH_SIZE, 8, None }
+			#undef R
+			#undef G
+			#undef B
+		};
+		for( unsigned int i = 0; i < sizeof( attribs ) / sizeof( attribs[ 0 ] ); ++i ) {
+			int n_glxfb_configs;
+			GLXFBConfig *fbc = glXChooseFBConfig( x11Display(), x11Screen(), attribs[ i ], &n_glxfb_configs);
+			if (!fbc) {
+				n_glxfb_configs = 0;
+			}
+			for( int j = 0; j < n_glxfb_configs; j++ ) {
+				info = glXGetVisualFromFBConfig(x11Display(), fbc[j]);
+				if( info ) {
+					if (argb_visual) {
+						// Xorg can only use GPU compositing for ARGB32 8:8:8:8 visuals
+						// Ensure the selected visual is 8 bits per RGB
+						// Selecting a non-8-bit visual will result in stuttering and high
+						// CPU load, while Xorg tries to composite each frame on the CPU!
+						if ((info->depth < 32) || (info->bits_per_rgb != 8)) {
+							XFree( info );
+							info = NULL;
+							continue;
+						}
+					}
+					visual = info->visual;
+					static Colormap colormap = 0;
+					if( colormap != 0 ) {
+						XFreeColormap( x11Display(), colormap );
+					}
+					colormap = XCreateColormap( x11Display(), RootWindow( x11Display(), x11Screen()), visual, AllocNone );
+					attrs.colormap = colormap;
+					flags |= CWColormap;
+					break;
+				}
+			}
+			if (flags & CWColormap) {
+				break;
+			}
+		}
+		if ( !info ) {
+			printf("[WARNING] Unable to locate matching X11 GLX Visual; this OpenGL application may not function correctly!\n");
+		}
+	}
+#endif
+
+	attrs.override_redirect = 1;
+	hide();
+
+	if (argb_visual) {
+		// The GL visual selection can return a visual with invalid depth
+		// Check for this and use a fallback visual if needed
+		if (info && (info->depth < 32)) {
+			printf("[WARNING] Unable to locate matching X11 GLX Visual; this OpenGL application may not function correctly!\n");
+			XFree( info );
+			info = NULL;
+			flags &= ~CWColormap;
+		}
+
+		attrs.background_pixel = 0;
+		attrs.border_pixel = 0;
+		flags |= CWBackPixel;
+		flags |= CWBorderPixel;
+		if (!(flags & CWColormap)) {
+			if (!info) {
+				info = new XVisualInfo;
+				if (!XMatchVisualInfo( x11Display(), x11Screen(), 32, TrueColor, info )) {
+				printf("[ERROR] Unable to locate matching X11 Visual; this application will not function correctly!\n");
+				free(info);
+				info = NULL;
+				}
+			}
+			if (info) {
+				visual = info->visual;
+				attrs.colormap = XCreateColormap( x11Display(), RootWindow( x11Display(), x11Screen()), visual, AllocNone );
+				flags |= CWColormap;
+			}
+		}
+	}
+	if (info) {
+		XFree( info );
+	}
+
+	m_saverRootWindow = XCreateWindow( x11Display(), RootWindow( x11Display(), x11Screen()), x(), y(), width(), height(), 0, x11Depth(), InputOutput, visual, flags, &attrs );
+	create( m_saverRootWindow );
+
+	// Some xscreensaver hacks check for this property
+	const char *version = "KDE 2.0";
+	XChangeProperty (tqt_xdisplay(), winId(),
+			gXA_SCREENSAVER_VERSION, XA_STRING, 8, PropModeReplace,
+			(unsigned char *) version, strlen(version));
+
+	XSetWindowAttributes attr;
+	attr.event_mask = KeyPressMask | ButtonPressMask | PointerMotionMask | VisibilityChangeMask | ExposureMask;
+	XChangeWindowAttributes(tqt_xdisplay(), winId(), CWEventMask, &attr);
+
+	// Signal that we want to be transparent to the desktop, not to windows behind us...
+	XChangeProperty(tqt_xdisplay(), m_saverRootWindow, kde_wm_transparent_to_desktop, XA_INTEGER, 32, PropModeReplace, (unsigned char *) "TRUE", 1L);
+
+	// erase();
+
+	// set NoBackground so that the saver can capture the current
+	// screen state if necessary
+	// this is a security risk and has been deactivated--welcome to the 21st century folks!
+	// setBackgroundMode(TQWidget::NoBackground);
+
+	setGeometry(0, 0, mRootWidth, mRootHeight);
+	saverReadyIfNeeded();
+
+	// HACK
+	// Hide all tooltips and notification windows
+	{
+		Window rootWindow = RootWindow(x11Display(), x11Screen());
+		Window parent;
+		Window* children = NULL;
+		unsigned int noOfChildren = 0;
+		XWindowAttributes childAttr;
+		Window childTransient;
+
+		if (XQueryTree(x11Display(), rootWindow, &rootWindow, &parent, &children, &noOfChildren) && noOfChildren>0 ) {
+			for (unsigned int i=0; i<noOfChildren; i++) {
+				if (XGetWindowAttributes(x11Display(), children[i], &childAttr) && XGetTransientForHint(x11Display(), children[i], &childTransient)) {
+					if ((childAttr.map_state == IsViewable) && (childAttr.override_redirect) && (childTransient)) {
+						if (!trinity_desktop_lock_hidden_window_list.contains(children[i])) {
+						trinity_desktop_lock_hidden_window_list.append(children[i]);
+						}
+						XLowerWindow(x11Display(), children[i]);
+						XFlush(x11Display());
+					}
+				}
+			}
+		}
+	}
+
+	kdDebug(KDESKTOP_DEBUG_ID) << "Saver window Id: " << winId() << endl;
+}
+
+void LockProcess::desktopResized()
+{
+	// Get root window size
+	XWindowAttributes rootAttr;
+	XGetWindowAttributes(tqt_xdisplay(), RootWindow(tqt_xdisplay(), tqt_xscreen()), &rootAttr);
+	if ((rootAttr.width == mRootWidth) && (rootAttr.height == mRootHeight)) {
+		return;
+	}
+	mRootWidth = rootAttr.width;
+	mRootHeight = rootAttr.height;
+	generateBackingImages();
+
+	mBusy = true;
+	mHackDelayStartupTimer->stop();
+	stopHack();
+	DISABLE_CONTINUOUS_LOCKDLG_DISPLAY
+	mResizingDesktopLock = true;
+
+	backingPixmap = TQPixmap();
+
+	if (trinity_desktop_lock_use_system_modal_dialogs) {
+		// Temporarily hide the entire screen with a new override redirect window
+		if (m_maskWidget) {
+			m_maskWidget->setGeometry(0, 0, mRootWidth, mRootHeight);
+		}
+		else {
+			m_maskWidget = new TQWidget(0, 0, TQt::WStyle_StaysOnTop | TQt::WX11BypassWM);
+			m_maskWidget->setGeometry(0, 0, mRootWidth, mRootHeight);
+			m_maskWidget->setBackgroundColor(TQt::black);
+			m_maskWidget->erase();
+			m_maskWidget->show();
+		}
+		XSync(tqt_xdisplay(), False);
+		saverReadyIfNeeded();
+
+		if (mEnsureScreenHiddenTimer) {
+			mEnsureScreenHiddenTimer->stop();
+		}
+		else {
+			mEnsureScreenHiddenTimer = new TQTimer( this );
+			connect( mEnsureScreenHiddenTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(slotForcePaintBackground()) );
+		}
+		mEnsureScreenHiddenTimer->start(DESKTOP_WALLPAPER_OBTAIN_TIMEOUT_MS, true);
+	}
+
+	// Resize the background widget
+	setGeometry(0, 0, mRootWidth, mRootHeight);
+	XSync(tqt_xdisplay(), False);
+	saverReadyIfNeeded();
+
+	// Black out the background widget to hide ugly resize tiling artifacts
+	if (argb_visual) {
+		setTransparentBackgroundARGB();
+	}
+	else {
+		setBackgroundColor(black);
+	}
+	erase();
+
+	// This slot needs to be able to execute very rapidly so as to prevent the user's desktop from ever
+	// being displayed, so we finish the hack restarting/display prettying operations in a separate timed slot
+	if (resizeTimer == NULL) {
+		resizeTimer = new TQTimer( this );
+		connect( resizeTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(doDesktopResizeFinish()) );
+	}
+	resizeTimer->start( 100, TRUE ); // 100 millisecond single shot timer; should allow display switching operations to finish before hack is started
+}
+
+void LockProcess::doDesktopResizeFinish()
+{
+	while (mDialogControlLock == true) {
+		usleep(100000);
+	}
+	mDialogControlLock = true;
+	if (closeCurrentWindow()) {
+		TQTimer::singleShot( 0, this, SLOT(doDesktopResizeFinish()) );
+		mDialogControlLock = false;
+		return;
+	}
+	mDialogControlLock = false;
+
+	// Restart the hack as the window size is now different
+	if (trinity_desktop_lock_delay_screensaver_start && trinity_desktop_lock_use_system_modal_dialogs) {
+		ENABLE_CONTINUOUS_LOCKDLG_DISPLAY
+		if (mHackStartupEnabled) mHackDelayStartupTimer->start(mHackDelayStartupTimeout, TRUE);
+	}
+	else {
+		if (mHackStartupEnabled == true) {
+			startHack();
+		}
+		else {
+			if (trinity_desktop_lock_use_system_modal_dialogs == true) {
+				ENABLE_CONTINUOUS_LOCKDLG_DISPLAY
+				if (mHackStartupEnabled) mHackDelayStartupTimer->start(mHackDelayStartupTimeout, TRUE);
+			}
+			else {
+				startHack();
+			}
+		}
+	}
+
+        mResizingDesktopLock = false;
+	mBusy = false;
+}
+
+//---------------------------------------------------------------------------
+//
+// Hide the screensaver window
+//
+void LockProcess::hideSaverWindow()
+{
+	hide();
+	lower();
+	removeVRoot(winId());
+	XDeleteProperty(tqt_xdisplay(), winId(), gXA_SCREENSAVER_VERSION);
+	if ( gVRoot ) {
+		unsigned long vroot_data[1] = { gVRootData };
+		XChangeProperty(tqt_xdisplay(), gVRoot, gXA_VROOT, XA_WINDOW, 32,
+				PropModeReplace, (unsigned char *)vroot_data, 1);
+		gVRoot = 0;
+	}
+	XSync(tqt_xdisplay(), False);
+}
+
+//---------------------------------------------------------------------------
+static int ignoreXError(Display *, XErrorEvent *)
+{
+	return 0;
+}
+
+//---------------------------------------------------------------------------
+//
+// Save the current virtual root window
+//
+void LockProcess::saveVRoot()
+{
+	Window rootReturn, parentReturn, *children;
+	unsigned int numChildren;
+	Window root = RootWindowOfScreen(ScreenOfDisplay(tqt_xdisplay(), tqt_xscreen()));
+
+	gVRoot = 0;
+	gVRootData = 0;
+
+	int (*oldHandler)(Display *, XErrorEvent *);
+	oldHandler = XSetErrorHandler(ignoreXError);
+
+	if (XQueryTree(tqt_xdisplay(), root, &rootReturn, &parentReturn, &children, &numChildren)) {
+		for (unsigned int i = 0; i < numChildren; i++) {
+			Atom actual_type;
+			int actual_format;
+			unsigned long nitems, bytesafter;
+			unsigned char *newRoot = 0;
+
+			if ((XGetWindowProperty(tqt_xdisplay(), children[i], gXA_VROOT, 0, 1,
+				False, XA_WINDOW, &actual_type, &actual_format, &nitems, &bytesafter,
+				&newRoot) == Success) && newRoot) {
+				gVRoot = children[i];
+				Window *dummy = (Window*)newRoot;
+				gVRootData = *dummy;
+				XFree ((char*) newRoot);
+				break;
+			}
+		}
+		if (children) {
+			XFree((char *)children);
+		}
+	}
+
+	XSetErrorHandler(oldHandler);
+}
+
+//---------------------------------------------------------------------------
+//
+// Set the virtual root property
+//
+void LockProcess::setVRoot(Window win, Window vr)
+{
+	if (gVRoot) {
+		removeVRoot(gVRoot);
+	}
+
+	unsigned long rw = RootWindowOfScreen(ScreenOfDisplay(tqt_xdisplay(), tqt_xscreen()));
+	unsigned long vroot_data[1] = { vr };
+
+	Window rootReturn;
+	Window parentReturn;
+	Window *children = NULL;
+	unsigned int numChildren;
+	Window top = win;
+	while (1) {
+		if (XQueryTree(tqt_xdisplay(), top, &rootReturn, &parentReturn, &children, &numChildren) == 0) {
+			printf("[WARNING] XQueryTree() failed!\n"); fflush(stdout);
+			break;
+		}
+		if (children) {
+			XFree((char *)children);
+		}
+		if (parentReturn == rw) {
+			break;
+		}
+		else {
+			top = parentReturn;
+		}
+	}
+
+	XChangeProperty(tqt_xdisplay(), top, gXA_VROOT, XA_WINDOW, 32, PropModeReplace, (unsigned char *)vroot_data, 1);
+}
+
+//---------------------------------------------------------------------------
+//
+// Remove the virtual root property
+//
+void LockProcess::removeVRoot(Window win)
+{
+	XDeleteProperty (tqt_xdisplay(), win, gXA_VROOT);
+}
+
+//---------------------------------------------------------------------------
+//
+// Grab the keyboard. Returns true on success
+//
+bool LockProcess::grabKeyboard()
+{
+	int rv = XGrabKeyboard( tqt_xdisplay(), TQApplication::desktop()->winId(),
+		True, GrabModeAsync, GrabModeAsync, CurrentTime );
+
+	if (rv != GrabSuccess) {
+		kdWarning(1204) << "LockProcess::grabKeyboard() failed: " << rv << endl;
+	}
+	return (rv == GrabSuccess);
+}
+
+#define GRABEVENTS ButtonPressMask | ButtonReleaseMask | PointerMotionMask | \
+		   EnterWindowMask | LeaveWindowMask
+
+//---------------------------------------------------------------------------
+//
+// Grab the mouse.  Returns true on success
+//
+bool LockProcess::grabMouse()
+{
+	HANDLE cursorHandle;
+	if (mHackActive) {
+		cursorHandle = TQCursor(tqblankCursor).handle();
+	}
+	else {
+		cursorHandle = TQCursor(tqbusyCursor).handle();
+	}
+	int rv = XGrabPointer( tqt_xdisplay(), TQApplication::desktop()->winId(),
+		True, GRABEVENTS, GrabModeAsync, GrabModeAsync, None,
+		cursorHandle, CurrentTime );
+
+	if (rv != GrabSuccess) {
+		kdWarning(1204) << "LockProcess::grabMouse() failed: " << rv << endl;
+	}
+	return (rv == GrabSuccess);
+}
+
+//---------------------------------------------------------------------------
+//
+// Grab keyboard and mouse.  Returns true on success.
+//
+bool LockProcess::grabInput()
+{
+	XSync(tqt_xdisplay(), False);
+
+	if (!grabKeyboard()) {
+		usleep(100000);
+		if (!grabKeyboard()) {
+			return false;
+		}
+	}
+
+#ifndef KEEP_MOUSE_UNGRABBED
+	if (!grabMouse()) {
+		usleep(100000);
+		if (!grabMouse()) {
+			XUngrabKeyboard(tqt_xdisplay(), CurrentTime);
+			return false;
+		}
+	}
+#endif
+
+	lockXF86();
+
+	return true;
+}
+
+//---------------------------------------------------------------------------
+//
+// Release mouse an keyboard grab.
+//
+void LockProcess::ungrabInput()
+{
+	XUngrabKeyboard(tqt_xdisplay(), CurrentTime);
+	XUngrabPointer(tqt_xdisplay(), CurrentTime);
+	unlockXF86();
+}
+
+//---------------------------------------------------------------------------
+//
+// Generate requisite backing images for ARGB mode
+//
+void LockProcess::generateBackingImages()
+{
+	if (argb_visual) {
+		mArgbTransparentBackgroundPixmap.resize(mRootWidth, mRootHeight);
+		TQPainter p;
+		p.begin( &mArgbTransparentBackgroundPixmap );
+		p.fillRect( 0, 0, mArgbTransparentBackgroundPixmap.width(), mArgbTransparentBackgroundPixmap.height(), TQBrush(tqRgba(0, 0, 0, 0)) );
+		p.end();
+	}
+}
+
+//---------------------------------------------------------------------------
+//
+// Set a fully transparent ARGB background image.
+//
+void LockProcess::setTransparentBackgroundARGB()
+{
+	// eliminate nasty flicker on first show
+	setBackgroundPixmap( mArgbTransparentBackgroundPixmap );
+}
+
+void LockProcess::saverReadyIfNeeded()
+{
+	if (m_notifyReadyRequested) {
+		// Make sure the desktop is hidden before notifying the desktop that the saver is running
+		m_notifyReadyRequested = false;
+		saverReady();
+		fullyOnline();
+	}
+}
+
+//---------------------------------------------------------------------------
+//
+// Start the screen saver.
+//
+bool LockProcess::startSaver(bool notify_ready)
+{
+	if (!child_saver && !grabInput())
+	{
+		kdWarning(KDESKTOP_DEBUG_ID) << "LockProcess::startSaver() grabInput() failed!!!!" << endl;
+		return false;
+	}
+	mBusy = false;
+
+	// eliminate nasty flicker on first show
+	setTransparentBackgroundARGB();
+
+	saveVRoot();
+
+	if (mParent) {
+		TQSocketNotifier *notifier = new TQSocketNotifier(mParent, TQSocketNotifier::Read, TQT_TQOBJECT(this), "notifier");
+		connect(notifier, TQT_SIGNAL( activated (int)), TQT_SLOT( quitSaver()));
+	}
+	createSaverWindow();
+	move(0, 0);
+	show();
+
+	raise();
+	XSync(tqt_xdisplay(), False);
+	setVRoot( winId(), winId() );
+
+	if (!trinity_desktop_lock_hide_active_windows) {
+		if (m_rootPixmap) m_rootPixmap->stop();
+		TQPixmap rootWinSnapShot = TQPixmap::grabWindow(TQApplication::desktop()->winId());
+		slotPaintBackground(rootWinSnapShot);
+	}
+
+	if (((!(trinity_desktop_lock_delay_screensaver_start && trinity_desktop_lock_forced)) && (!mInSecureDialog)) && (mHackStartupEnabled || mOverrideHackStartupEnabled)) {
+		if (argb_visual) {
+			setTransparentBackgroundARGB();
+		}
+		else {
+			if (backingPixmap.isNull()) {
+				setBackgroundColor(black);
+			}
+			else {
+				setBackgroundPixmap(backingPixmap);
+			}
+		}
+		setGeometry(0, 0, mRootWidth, mRootHeight);
+		erase();
+
+		if (notify_ready) {
+			m_notifyReadyRequested = false;
+			saverReady();
+			fullyOnline();
+		}
+	}
+	else {
+		if (notify_ready) {
+			m_notifyReadyRequested = true;
+		}
+	}
+
+	if (mInSecureDialog == FALSE) {
+		if (trinity_desktop_lock_delay_screensaver_start && trinity_desktop_lock_forced && trinity_desktop_lock_use_system_modal_dialogs) {
+			ENABLE_CONTINUOUS_LOCKDLG_DISPLAY
+			if (mHackStartupEnabled) mHackDelayStartupTimer->start(mHackDelayStartupTimeout, TRUE);
+		}
+		else {
+			if (mHackStartupEnabled || mOverrideHackStartupEnabled) {
+				mOverrideHackStartupEnabled = false;
+				startHack();
+			}
+			else {
+				if (trinity_desktop_lock_use_system_modal_dialogs == true) {
+					ENABLE_CONTINUOUS_LOCKDLG_DISPLAY
+					if (mHackStartupEnabled) mHackDelayStartupTimer->start(mHackDelayStartupTimeout, TRUE);
+				}
+				else {
+					startHack();
+				}
+			}
+		}
+	}
+
+	return true;
+}
+
+//---------------------------------------------------------------------------
+//
+// Stop the screen saver.
+//
+void LockProcess::stopSaver()
+{
+	kdDebug(KDESKTOP_DEBUG_ID) << "LockProcess: stopping saver" << endl;
+	mHackProc.kill(SIGCONT);
+	stopHack();
+	mSuspended = false;
+	hideSaverWindow();
+	mVisibility = false;
+	if (!child_saver) {
+		if (mLocked) {
+			DM().setLock( false );
+		}
+		ungrabInput();
+		const char *out = "GOAWAY!";
+		for (TQValueList<int>::ConstIterator it = child_sockets.begin(); it != child_sockets.end(); ++it) {
+			if (write(*it, out, sizeof(out)) == -1) {
+				// Error handler to shut up gcc warnings
+			}
+		}
+	}
+}
+
+// private static
+TQVariant LockProcess::getConf(void *ctx, const char *key, const TQVariant &dflt)
+{
+	LockProcess *that = (LockProcess *)ctx;
+	TQString fkey = TQString::fromLatin1( key ) + '=';
+	for (TQStringList::ConstIterator it = that->mPluginOptions.begin(); it != that->mPluginOptions.end(); ++it) {
+		if ((*it).startsWith( fkey )) {
+			return (*it).mid( fkey.length() );
+		}
+	}
+	return dflt;
+}
+
+void LockProcess::cantLock( const TQString &txt)
+{
+	msgBox( TQMessageBox::Critical, i18n("Will not lock the session, as unlocking would be impossible:\n") + txt );
+}
+
+#if 0 // placeholders for later
+i18n("Cannot start <i>kcheckpass</i>.");
+i18n("<i>kcheckpass</i> is unable to operate. Possibly it is not SetUID root.");
+#endif
+
+//---------------------------------------------------------------------------
+//
+// Make the screen saver password protected.
+//
+bool LockProcess::startLock()
+{
+	for (TQStringList::ConstIterator it = mPlugins.begin(); it != mPlugins.end(); ++it) {
+		GreeterPluginHandle plugin;
+		TQString path = KLibLoader::self()->findLibrary( ((*it)[0] == '/' ? *it : "kgreet_" + *it ).latin1() );
+		if (path.isEmpty()) {
+			kdWarning(KDESKTOP_DEBUG_ID) << "GreeterPlugin " << *it << " does not exist" << endl;
+			continue;
+		}
+		if (!(plugin.library = KLibLoader::self()->library( path.latin1() ))) {
+			kdWarning(KDESKTOP_DEBUG_ID) << "Cannot load GreeterPlugin " << *it << " (" << path << ")" << endl;
+			continue;
+		}
+		if (!plugin.library->hasSymbol( "kgreeterplugin_info" )) {
+			kdWarning(KDESKTOP_DEBUG_ID) << "GreeterPlugin " << *it << " (" << path << ") is no valid greet widget plugin" << endl;
+			plugin.library->unload();
+			continue;
+		}
+		plugin.info = (kgreeterplugin_info*)plugin.library->symbol( "kgreeterplugin_info" );
+		if (plugin.info->method && !mMethod.isEmpty() && mMethod != plugin.info->method) {
+			kdDebug(KDESKTOP_DEBUG_ID) << "GreeterPlugin " << *it << " (" << path << ") serves " << plugin.info->method << ", not " << mMethod << endl;
+			plugin.library->unload();
+			continue;
+		}
+		if (!plugin.info->init( mMethod, getConf, this )) {
+			kdDebug(KDESKTOP_DEBUG_ID) << "GreeterPlugin " << *it << " (" << path << ") refuses to serve " << mMethod << endl;
+			plugin.library->unload();
+			continue;
+		}
+		kdDebug(KDESKTOP_DEBUG_ID) << "GreeterPlugin " << *it << " (" << plugin.info->method << ", " << plugin.info->name << ") loaded" << endl;
+		greetPlugin = plugin;
+		mLocked = true;
+		DM().setLock( true );
+		return true;
+	}
+	cantLock( i18n("No appropriate greeter plugin configured.") );
+	return false;
+}
+
+//---------------------------------------------------------------------------
+//
+
+void LockProcess::closeDialogAndStartHack()
+{
+#ifdef HAVE_DPMS
+	if (KDesktopSettings::dpmsDependent()) {
+		BOOL on;
+		CARD16 state;
+		if (DPMSInfo(tqt_xdisplay(), &state, &on)) {
+			//kdDebug() << "checkDPMSActive " << on << " " << state << endl;
+			if (DPMS_MONITOR_BLANKED(state)) {
+				// Make sure saver will attempt to start again after DPMS wakeup
+				// This is related to Bug 1475
+				ENABLE_CONTINUOUS_LOCKDLG_DISPLAY
+				if (mHackStartupEnabled) mHackDelayStartupTimer->start(mHackDelayStartupTimeout, TRUE);
+				// Should not start saver here, because the DPMS check method below would turn it right back off!
+				// This is related to Bug 1475
+				return;
+			}
+		}
+	}
+#endif
+
+	// Close any active dialogs
+	DISABLE_CONTINUOUS_LOCKDLG_DISPLAY
+	mSuspended = true;
+	if (closeCurrentWindow()) {
+		TQTimer::singleShot( 0, this, SLOT(closeDialogAndStartHack()) );
+	}
+	else {
+		resume(true);
+	}
+}
+
+void LockProcess::repaintRootWindowIfNeeded()
+{
+	if (trinity_desktop_lock_use_system_modal_dialogs) {
+		if (!mHackProc.isRunning()) {
+			if (argb_visual) {
+				setTransparentBackgroundARGB();
+				erase();
+			}
+			else {
+				if (backingPixmap.isNull()) {
+					setBackgroundColor(black);
+					setGeometry(0, 0, mRootWidth, mRootHeight);
+					erase();
+				}
+				else {
+					bitBlt(this, 0, 0, &backingPixmap);
+				}
+			}
+		}
+		if (currentDialog == NULL) {
+			raise();
+		}
+		saverReadyIfNeeded();
+	}
+}
+
+bool LockProcess::startHack()
+{
+	mHackActive = TRUE;
+
+	if ((mEnsureVRootWindowSecurityTimer) && (!mEnsureVRootWindowSecurityTimer->isActive())) {
+		mEnsureVRootWindowSecurityTimer->start(250, FALSE);
+	}
+
+	if (currentDialog || (!mDialogs.isEmpty())) {
+		// no resuming with dialog visible or when not visible
+		if (argb_visual) {
+			setTransparentBackgroundARGB();
+		}
+		else {
+			if (backingPixmap.isNull()) {
+				setBackgroundColor(black);
+			}
+			else {
+				setBackgroundPixmap(backingPixmap);
+			}
+		}
+		setGeometry(0, 0, mRootWidth, mRootHeight);
+		erase();
+		saverReadyIfNeeded();
+		return false;
+	}
+
+	setCursor( tqblankCursor );
+	XChangeActivePointerGrab( tqt_xdisplay(), GRABEVENTS, TQCursor(tqblankCursor).handle(), CurrentTime);
+
+	if (mSaverExec.isEmpty()) {
+		return false;
+	}
+
+	if (mHackProc.isRunning()) {
+		stopHack();
+	}
+
+	mHackProc.clearArguments();
+
+	TQTextStream ts(&mSaverExec, IO_ReadOnly);
+	TQString word;
+	ts >> word;
+	TQString path = TDEStandardDirs::findExe(word);
+
+	if (!path.isEmpty()) {
+		mHackProc << path;
+
+		kdDebug(KDESKTOP_DEBUG_ID) << "Starting hack: " << path << endl;
+
+		while (!ts.atEnd()) {
+			ts >> word;
+			if (word == "%w")
+			{
+				word = word.setNum(winId());
+			}
+			mHackProc << word;
+		}
+
+		if (!mForbidden) {
+			if (trinity_desktop_lock_use_system_modal_dialogs) {
+				// Make sure we have a nice clean display to start with!
+				if (argb_visual) {
+					// Signal that we want to be transparent to a black background...
+					if (m_saverRootWindow) {
+						XChangeProperty(tqt_xdisplay(), m_saverRootWindow, kde_wm_transparent_to_black, XA_INTEGER, 32, PropModeReplace, (unsigned char *) "TRUE", 1L);
+						XClearArea(tqt_xdisplay(), m_saverRootWindow, 0, 0, 0, 0, True);
+					}
+					setTransparentBackgroundARGB();
+				}
+				else {
+					if (backingPixmap.isNull()) {
+						setBackgroundColor(black);
+					}
+					else {
+						setBackgroundPixmap(backingPixmap);
+					}
+				}
+				setGeometry(0, 0, mRootWidth, mRootHeight);
+				erase();
+				saverReadyIfNeeded();
+				mSuspended = false;
+			}
+
+			XChangeActivePointerGrab( tqt_xdisplay(), GRABEVENTS, TQCursor(tqblankCursor).handle(), CurrentTime);
+			if (mHackProc.start() == true) {
+#ifdef HAVE_SETPRIORITY
+				setpriority(PRIO_PROCESS, mHackProc.pid(), mPriority);
+#endif
+				//bitBlt(this, 0, 0, &mOriginal);
+				DISABLE_CONTINUOUS_LOCKDLG_DISPLAY
+				if (trinity_desktop_lock_delay_screensaver_start && trinity_desktop_lock_forced) {
+					// Close any active dialogs
+					if (closeCurrentWindow()) {
+						TQTimer::singleShot( 0, this, SLOT(closeCurrentWindow()) );
+					}
+				}
+				if (m_startupStatusDialog) { m_startupStatusDialog->closeSMDialog(); m_startupStatusDialog=NULL; }
+				return true;
+			}
+		}
+		else {
+			// we aren't allowed to start the specified screensaver either because it didn't run for some reason
+			// according to the kiosk restrictions forbid it
+			usleep(100);
+			TQApplication::syncX();
+			if (!trinity_desktop_lock_use_system_modal_dialogs) {
+				if (argb_visual) {
+					setTransparentBackgroundARGB();
+				}
+				else {
+					if (backingPixmap.isNull()) {
+						setBackgroundColor(black);
+					}
+					else {
+						setBackgroundPixmap(backingPixmap);
+					}
+				}
+			}
+			if (argb_visual) {
+				setTransparentBackgroundARGB();
+				erase();
+			}
+			else {
+				if (backingPixmap.isNull()) {
+					setGeometry(0, 0, mRootWidth, mRootHeight);
+					erase();
+				}
+				else {
+					bitBlt(this, 0, 0, &backingPixmap);
+				}
+			}
+			if (trinity_desktop_lock_use_system_modal_dialogs) {
+				ENABLE_CONTINUOUS_LOCKDLG_DISPLAY
+				if (mHackStartupEnabled) mHackDelayStartupTimer->start(mHackDelayStartupTimeout, TRUE);
+			}
+			saverReadyIfNeeded();
+		}
+	}
+
+	if (m_startupStatusDialog) {
+		m_startupStatusDialog->closeSMDialog();
+		m_startupStatusDialog=NULL;
+	}
+
+	return false;
+}
+
+//---------------------------------------------------------------------------
+//
+void LockProcess::stopHack()
+{
+	if (mHackProc.isRunning()) {
+		mHackProc.kill();
+		if (!mHackProc.wait(10)) {
+			mHackProc.kill(SIGKILL);
+		}
+	}
+	setCursor( tqarrowCursor );
+
+	mHackActive = FALSE;
+}
+
+//---------------------------------------------------------------------------
+//
+void LockProcess::hackExited(TDEProcess *)
+{
+	// Hack exited while we're supposed to be saving the screen.
+	// Make sure the saver window is black.
+	mHackActive = FALSE;
+	usleep(100);
+	TQApplication::syncX();
+	if (!trinity_desktop_lock_use_system_modal_dialogs) {
+		if (argb_visual) {
+			setTransparentBackgroundARGB();
+		}
+		else {
+			if (backingPixmap.isNull()) {
+				setBackgroundColor(black);
+			}
+			else {
+				setBackgroundPixmap(backingPixmap);
+			}
+		}
+	}
+	if (argb_visual) {
+		if (m_saverRootWindow) {
+			XDeleteProperty(tqt_xdisplay(), m_saverRootWindow, kde_wm_transparent_to_black);
+			XClearArea(tqt_xdisplay(), m_saverRootWindow, 0, 0, 0, 0, True);
+		}
+		setTransparentBackgroundARGB();
+	}
+	else {
+		if (backingPixmap.isNull()) {
+			setGeometry(0, 0, mRootWidth, mRootHeight);
+			erase();
+		}
+		else {
+			bitBlt(this, 0, 0, &backingPixmap);
+		}
+	}
+	if (!mSuspended) {
+		if (trinity_desktop_lock_use_system_modal_dialogs) {
+			ENABLE_CONTINUOUS_LOCKDLG_DISPLAY
+			if (mHackStartupEnabled) mHackDelayStartupTimer->start(mHackDelayStartupTimeout, TRUE);
+		}
+	}
+	saverReadyIfNeeded();
+}
+
+void LockProcess::displayLockDialogIfNeeded()
+{
+	if (m_startupStatusDialog) {
+		m_startupStatusDialog->closeSMDialog();
+		m_startupStatusDialog = NULL;
+	}
+	if (!mInSecureDialog) {
+		if (trinity_desktop_lock_use_system_modal_dialogs) {
+			if (!mBusy) {
+				mBusy = true;
+				if (mLocked) {
+					if (checkPass()) {
+						mClosingWindows = true;
+						stopSaver();
+						kapp->quit();
+					}
+				}
+				mBusy = false;
+			}
+		}
+	}
+}
+
+void LockProcess::suspend()
+{
+	if (!mSuspended) {
+		if (trinity_desktop_lock_use_system_modal_dialogs) {
+			mSuspended = true;
+			stopHack();
+			ENABLE_CONTINUOUS_LOCKDLG_DISPLAY
+			if (mHackStartupEnabled) {
+				mHackDelayStartupTimer->start(mHackDelayStartupTimeout, TRUE);
+			}
+		}
+		else {
+			TQString hackStatus;
+			mHackProc.kill(SIGSTOP);
+			mSuspended = true;
+#if 0
+			// wait for the stop signal to take effect
+			while (hackStatus != "T") {
+				char hackstat[8192];
+				FILE *fp = fopen(TQString("/proc/%1/stat").arg(mHackProc.pid()).ascii(),"r");
+				if (fp != NULL) {
+				fgets (hackstat, 8192, fp);
+				fclose (fp);
+				}
+				hackstat[8191] = 0;
+				hackStatus = hackstat;
+				hackStatus = hackStatus.remove(TQRegExp("(*) ", TRUE, TRUE));
+				TQStringList hackStatusList = TQStringList::split(" ", hackStatus);
+				hackStatus = (*(hackStatusList.at(1)));
+			}
+#endif
+			TQApplication::syncX();
+			usleep(100000);		// Allow certain bad graphics drivers (*cough* fglrx *cough*) time to actually sync up the display
+		}
+		TQApplication::syncX();
+		mSavedScreen = TQPixmap::grabWindow( winId());
+	}
+}
+
+void LockProcess::resume( bool force )
+{
+	if (trinity_desktop_lock_use_sak && (mHackDelayStartupTimer->isActive() || !mHackStartupEnabled)) {
+		return;
+	}
+	if( !force && (!mDialogs.isEmpty() || !mVisibility )) {
+		// no resuming with dialog visible or when not visible
+		if (trinity_desktop_lock_use_system_modal_dialogs) {
+			if (argb_visual) {
+				setTransparentBackgroundARGB();
+			}
+			else {
+				if (backingPixmap.isNull()) {
+					setBackgroundColor(black);
+				}
+				else {
+					setBackgroundPixmap(backingPixmap);
+				}
+			}
+			setGeometry(0, 0, mRootWidth, mRootHeight);
+			erase();
+		}
+		else {
+			setGeometry(0, 0, mRootWidth, mRootHeight);
+		}
+		saverReadyIfNeeded();
+		return;
+	}
+	if ((mSuspended) && (mHackProc.isRunning())) {
+		XForceScreenSaver(tqt_xdisplay(), ScreenSaverReset );
+		bitBlt( this, 0, 0, &mSavedScreen );
+		TQApplication::syncX();
+		mHackProc.kill(SIGCONT);
+		mSuspended = false;
+	}
+	else if (mSuspended && trinity_desktop_lock_use_system_modal_dialogs) {
+		startHack();
+	}
+}
+
+//---------------------------------------------------------------------------
+//
+// Show the password dialog
+// This is called only in the master process
+//
+bool LockProcess::checkPass()
+{
+	if (!mDialogs.isEmpty()) {
+		// Another dialog is already shown
+		// Abort!
+		return 0;
+	}
+	if (mInfoMessageDisplayed == false) {
+		if (mAutoLogout) {
+			killTimer(mAutoLogoutTimerId);
+		}
+
+		// Make sure we never launch the SAK or login dialog if windows are being closed down
+		// Otherwise we can get stuck in an irrecoverable state where any attempt to show the login screen is instantly aborted
+		if (mClosingWindows) {
+			return 0;
+		}
+
+		if (trinity_desktop_lock_use_sak) {
+			// Verify SAK operational status
+			TDEProcess* checkSAKProcess = new TDEProcess;
+			*checkSAKProcess << "tdmtsak" << "check";
+			checkSAKProcess->start(TDEProcess::Block, TDEProcess::NoCommunication);
+			int retcode = checkSAKProcess->exitStatus();
+			delete checkSAKProcess;
+			if (retcode != 0) {
+				trinity_desktop_lock_use_sak = false;
+			}
+		}
+
+		if (trinity_desktop_lock_use_sak) {
+			// Wait for SAK press before continuing...
+			SAKDlg inDlg( this );
+			execDialog( &inDlg );
+			if (mClosingWindows) {
+				return 0;
+			}
+		}
+
+		showVkbd();
+		PasswordDlg passDlg( this, &greetPlugin, (mShowLockDateTime)?mlockDateTime:TQDateTime());
+		int ret = execDialog( &passDlg );
+		hideVkbd();
+
+		if (mForceReject == true) {
+			ret = TQDialog::Rejected;
+		}
+		mForceReject = false;
+
+		XWindowAttributes rootAttr;
+		XGetWindowAttributes(tqt_xdisplay(), RootWindow(tqt_xdisplay(),
+				tqt_xscreen()), &rootAttr);
+		if(( rootAttr.your_event_mask & SubstructureNotifyMask ) == 0 ) {
+			kdWarning() << "ERROR: Something removed SubstructureNotifyMask from the root window!!!" << endl;
+			XSelectInput( tqt_xdisplay(), tqt_xrootwin(),
+			SubstructureNotifyMask | rootAttr.your_event_mask );
+		}
+
+		return ret == TQDialog::Accepted;
+	}
+	else {
+		return 0;
+	}
+}
+
+static void fakeFocusIn( WId window )
+{
+	// We have keyboard grab, so this application will
+	// get keyboard events even without having focus.
+	// Fake FocusIn to make Qt realize it has the active
+	// window, so that it will correctly show cursor in the dialog.
+	XEvent ev;
+	memset(&ev, 0, sizeof(ev));
+	ev.xfocus.display = tqt_xdisplay();
+	ev.xfocus.type = FocusIn;
+	ev.xfocus.window = window;
+	ev.xfocus.mode = NotifyNormal;
+	ev.xfocus.detail = NotifyAncestor;
+	XSendEvent( tqt_xdisplay(), window, False, NoEventMask, &ev );
+}
+
+void LockProcess::resumeUnforced()
+{
+	resume( false );
+}
+
+int LockProcess::execDialog( TQDialog *dlg )
+{
+	currentDialog=dlg;
+	dlg->adjustSize();
+
+	TQRect rect = dlg->geometry();
+	rect.moveCenter(TDEGlobalSettings::desktopGeometry(TQCursor::pos()).center());
+	dlg->move( rect.topLeft() );
+
+	if (mDialogs.isEmpty()) {
+		suspend();
+		XChangeActivePointerGrab( tqt_xdisplay(), GRABEVENTS, TQCursor(tqarrowCursor).handle(), CurrentTime);
+	}
+	mDialogs.prepend( dlg );
+	fakeFocusIn( dlg->winId());
+	if (trinity_desktop_lock_use_system_modal_dialogs) {
+		if (backingPixmap.isNull()) {
+			setGeometry(0, 0, mRootWidth, mRootHeight);
+			erase();
+		}
+		else {
+			bitBlt(this, 0, 0, &backingPixmap);
+		}
+		saverReadyIfNeeded();
+	}
+	// dlg->exec may generate BadMatch errors, so make sure they are silently ignored
+	int (*oldHandler)(Display *, XErrorEvent *);
+	oldHandler = XSetErrorHandler(ignoreXError);
+	int rt = dlg->exec();
+	XSetErrorHandler(oldHandler);
+	while (mDialogControlLock == true) {
+		usleep(100000);
+	}
+	currentDialog = NULL;
+	mDialogs.remove( dlg );
+	if( mDialogs.isEmpty() ) {
+		HANDLE cursorHandle;
+		if (mHackActive) {
+			cursorHandle = TQCursor(tqblankCursor).handle();
+		}
+		else {
+			cursorHandle = TQCursor(tqbusyCursor).handle();
+		}
+		XChangeActivePointerGrab( tqt_xdisplay(), GRABEVENTS, cursorHandle, CurrentTime);
+		if (trinity_desktop_lock_use_system_modal_dialogs) {
+			// Slight delay before screensaver resume to allow the dialog window to fully disappear
+			if (hackResumeTimer == NULL) {
+				hackResumeTimer = new TQTimer( this );
+				connect( hackResumeTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(resumeUnforced()) );
+			}
+			if (mResizingDesktopLock == false) {
+				hackResumeTimer->start( 10, TRUE );
+			}
+		}
+		else {
+			resume( false );
+		}
+	}
+	else {
+		fakeFocusIn( mDialogs.first()->winId());
+		currentDialog = dynamic_cast<TQDialog*>(mDialogs.first());
+	}
+	return rt;
+}
+
+void LockProcess::slotForcePaintBackground()
+{
+	TQPixmap blankPixmap(mRootWidth, mRootHeight);
+	blankPixmap.fill(Qt::black);
+	slotPaintBackground(blankPixmap);
+	printf("[WARNING] Unable to obtain desktop wallpaper in a timely manner.  High system load or possibly a TDE bug!\n"); fflush(stdout);
+}
+
+void LockProcess::slotPaintBackground(const TQPixmap &rpm)
+{
+	if (argb_visual) {
+		if (mEnsureScreenHiddenTimer) {
+			mEnsureScreenHiddenTimer->stop();
+		}
+		return;
+	}
+
+	if (mEnsureScreenHiddenTimer) {
+		mEnsureScreenHiddenTimer->stop();
+	}
+	else {
+		mEnsureScreenHiddenTimer = new TQTimer( this );
+		connect( mEnsureScreenHiddenTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(slotForcePaintBackground()) );
+	}
+
+	// Only remove the mask widget once the resize is 100% complete!
+	if (m_maskWidget) {
+		delete m_maskWidget;
+		m_maskWidget = NULL;
+		XSync(tqt_xdisplay(), False);
+	}
+
+	TQPixmap pm = rpm;
+
+	if (TQPaintDevice::x11AppDepth() == 32) {
+		// Remove the alpha components from the image
+		TQImage correctedImage = pm.convertToImage();
+		correctedImage = correctedImage.convertDepth(32);
+		correctedImage.setAlphaBuffer(true);
+		int w = correctedImage.width();
+		int h = correctedImage.height();
+		for (int y = 0; y < h; ++y) {
+			TQRgb *ls = (TQRgb *)correctedImage.scanLine( y );
+			for (int x = 0; x < w; ++x) {
+				TQRgb l = ls[x];
+				int r = int( tqRed( l ) );
+				int g = int( tqGreen( l ) );
+				int b = int( tqBlue( l ) );
+				int a = int( 255 );
+				ls[x] = tqRgba( r, g, b, a );
+			}
+		}
+		pm.convertFromImage(correctedImage);
+	}
+
+	backingPixmap = pm;
+	if ((trinity_desktop_lock_delay_screensaver_start && trinity_desktop_lock_forced) || (!mHackStartupEnabled)) {
+		setBackgroundPixmap(backingPixmap);
+		setGeometry(0, 0, mRootWidth, mRootHeight);
+		erase();
+	}
+}
+
+void LockProcess::preparePopup()
+{
+	TQWidget *dlg = (TQWidget *)sender();
+	mDialogs.prepend( dlg );
+	fakeFocusIn( dlg->winId() );
+}
+
+void LockProcess::cleanupPopup()
+{
+	TQWidget *dlg = (TQWidget *)sender();
+	mDialogs.remove( dlg );
+	if ( mDialogs.isEmpty() ) {
+		fakeFocusIn( mDialogs.first()->winId() );
+	}
+}
+
+void LockProcess::doFunctionKeyBroadcast() {
+	// Provide a clean, pretty display switch by hiding the password dialog here
+	// This does NOT work with the SAK or system modal dialogs!
+	if ((!trinity_desktop_lock_use_system_modal_dialogs) && (!trinity_desktop_lock_use_sak)) {
+		mBusy=true;
+		TQTimer::singleShot(1000, this, TQT_SLOT(slotDeadTimePassed()));
+		if (mkeyCode == XKeysymToKeycode(tqt_xdisplay(), XF86XK_Display)) {
+			while (mDialogControlLock == true) {
+				usleep(100000);
+			}
+			mDialogControlLock = true;
+			currentDialog->close();		// DO NOT use closeCurrentWindow() here!
+			mDialogControlLock = false;
+		}
+	}
+
+	DCOPRef ref( "*", "MainApplication-Interface");
+	ref.send("sendFakeKey", DCOPArg(mkeyCode , "unsigned int"));
+}
+
+//---------------------------------------------------------------------------
+//
+// X11 Event.
+//
+bool LockProcess::x11Event(XEvent *event)
+{
+	// Allow certain very specific keypresses through
+	// Key:			Reason:
+	// XF86Display		You need to be able to see the screen when unlocking your computer
+	// XF86AudioMute		Would be nice to be able to shut your computer up in an emergency while it is locked
+	// XF86AudioRaiseVolume	Ditto
+	// XF86AudioLowerVolume	Ditto
+	// XF86XK_PowerOff		If someone has access to the power button, they can hard power off the machine anyway
+	// XF86XK_Sleep		Ditto
+	// XF86XK_Suspend		Ditto
+	// XF86XK_Hibernate		Ditto
+
+	//if ((event->type == KeyPress) || (event->type == KeyRelease)) {
+	if (event->type == KeyPress) {
+		// Multimedia keys
+		if ((event->xkey.keycode == XKeysymToKeycode(event->xkey.display, XF86XK_Display)) || \
+			(event->xkey.keycode == XKeysymToKeycode(event->xkey.display, XF86XK_AudioMute)) || \
+			(event->xkey.keycode == XKeysymToKeycode(event->xkey.display, XF86XK_AudioRaiseVolume)) || \
+			(event->xkey.keycode == XKeysymToKeycode(event->xkey.display, XF86XK_AudioLowerVolume))) {
+			mkeyCode = event->xkey.keycode;
+			TQTimer::singleShot( 100, this, TQT_SLOT(doFunctionKeyBroadcast()) );
+			return true;
+		}
+		// ACPI power keys
+		if ((event->xkey.keycode == XKeysymToKeycode(event->xkey.display, XF86XK_PowerOff)) || \
+			(event->xkey.keycode == XKeysymToKeycode(event->xkey.display, XF86XK_Sleep)) || \
+			(event->xkey.keycode == XKeysymToKeycode(event->xkey.display, XF86XK_Suspend)) || \
+			(event->xkey.keycode == XKeysymToKeycode(event->xkey.display, XF86XK_Hibernate))) {
+			mkeyCode = event->xkey.keycode;
+			TQTimer::singleShot( 100, this, TQT_SLOT(doFunctionKeyBroadcast()) );
+			return true;
+		}
+	}
+
+	switch (event->type)
+	{
+		case ButtonPress:
+		case MotionNotify:
+		case ButtonRelease:
+			if( forwardVkbdEvent( event )) {
+				return true; // filter out
+			}
+			// fall through
+		case KeyPress:
+			if ((mHackDelayStartupTimer) && (mHackDelayStartupTimer->isActive())) {
+				if (mHackStartupEnabled) mHackDelayStartupTimer->start(mHackDelayStartupTimeout, TRUE);
+			}
+			if (mBusy || !mDialogs.isEmpty()) {
+				break;
+			}
+			mBusy = true;
+			if (trinity_desktop_lock_delay_screensaver_start) {
+				if (mLocked) {
+					ENABLE_CONTINUOUS_LOCKDLG_DISPLAY
+					if (mHackStartupEnabled) {
+						mHackDelayStartupTimer->start(mHackDelayStartupTimeout, TRUE);
+					}
+				}
+				if ((!mLocked) && (!mInSecureDialog)) {
+					stopSaver();
+					kapp->quit();
+				}
+				if (mAutoLogout) {
+					// we need to restart the auto logout countdown
+					killTimer(mAutoLogoutTimerId);
+					mAutoLogoutTimerId = startTimer(mAutoLogoutTimeout);
+				}
+			}
+			else {
+				if (!mLocked || checkPass()) {
+					mClosingWindows = true;
+					stopSaver();
+					kapp->quit();
+				}
+				else if (mAutoLogout) {
+					// we need to restart the auto logout countdown
+					killTimer(mAutoLogoutTimerId);
+					mAutoLogoutTimerId = startTimer(mAutoLogoutTimeout);
+				}
+			}
+			mBusy = false;
+			return true;
+
+		case VisibilityNotify:
+			if( event->xvisibility.window == winId()) {
+				// mVisibility == false means the screensaver is not visible at all
+				// e.g. when switched to text console
+				mVisibility = !(event->xvisibility.state == VisibilityFullyObscured);
+				if(!mVisibility) {
+					mSuspendTimer.start(2000, true);
+				}
+				else {
+					mSuspendTimer.stop();
+					if (mResizingDesktopLock == false) {
+						if (trinity_desktop_lock_delay_screensaver_start && trinity_desktop_lock_forced && trinity_desktop_lock_use_system_modal_dialogs) {
+							// Do nothing
+						}
+						else {
+							if (mHackStartupEnabled == true) {
+								resume( false );
+							}
+							else {
+								if (trinity_desktop_lock_use_system_modal_dialogs == true) {
+									ENABLE_CONTINUOUS_LOCKDLG_DISPLAY
+									if (mHackStartupEnabled) mHackDelayStartupTimer->start(mHackDelayStartupTimeout, TRUE);
+								}
+								else {
+									resume( false );
+								}
+							}
+						}
+					}
+				}
+				if (event->xvisibility.state != VisibilityUnobscured) {
+					stayOnTop();
+				}
+			}
+			break;
+
+		case ConfigureNotify: // from SubstructureNotifyMask on the root window
+			if(event->xconfigure.event == tqt_xrootwin()) {
+				stayOnTop();
+			}
+			for( TQValueList< VkbdWindow >::Iterator it = mVkbdWindows.begin();
+				it != mVkbdWindows.end();
+				++it ) {
+				if( (*it).id == event->xconfigure.window ) {
+					(*it).rect = TQRect( event->xconfigure.x, event->xconfigure.y,
+						event->xconfigure.width, event->xconfigure.height );
+					break;
+				}
+			}
+			break;
+		case MapNotify: // from SubstructureNotifyMask on the root window
+			windowAdded( event->xmap.window, false );
+			if( event->xmap.event == tqt_xrootwin()) {
+				stayOnTop();
+			}
+			break;
+		case DestroyNotify:
+			for( TQValueList< VkbdWindow >::Iterator it = mVkbdWindows.begin(); it != mVkbdWindows.end(); ++it ) {
+				if( (*it).id == event->xdestroywindow.window ) {
+					mVkbdWindows.remove( it );
+					break;
+				}
+			}
+			break;
+	}
+
+	// We have grab with the grab window being the root window.
+	// This results in key events being sent to the root window,
+	// but they should be sent to the dialog if it's visible.
+	// It could be solved by setFocus() call, but that would mess
+	// the focus after this process exits.
+	// Qt seems to be quite hard to persuade to redirect the event,
+	// so let's simply dupe it with correct destination window,
+	// and ignore the original one.
+	if(!mDialogs.isEmpty() && ( event->type == KeyPress || event->type == KeyRelease)
+		&& event->xkey.window != mDialogs.first()->winId()) {
+		XEvent ev2 = *event;
+		ev2.xkey.window = ev2.xkey.subwindow = mDialogs.first()->winId();
+		tqApp->x11ProcessEvent( &ev2 );
+		return true;
+	}
+
+	return false;
+}
+
+void LockProcess::stayOnTop()
+{
+	if(!mDialogs.isEmpty() || !mVkbdWindows.isEmpty()) {
+		// this restacking is written in a way so that
+		// if the stacking positions actually don't change,
+		// all restacking operations will be no-op,
+		// and no ConfigureNotify will be generated,
+		// thus avoiding possible infinite loops
+		if( !mVkbdWindows.isEmpty()) {
+			XRaiseWindow( tqt_xdisplay(), mVkbdWindows.first().id );
+		}
+		else {
+			XRaiseWindow( tqt_xdisplay(), mDialogs.first()->winId()); // raise topmost
+		}
+		// and stack others below it
+		Window* stack = new Window[ mDialogs.count() + mVkbdWindows.count() + 1 ];
+		int count = 0;
+		for( TQValueList< VkbdWindow >::ConstIterator it = mVkbdWindows.begin(); it != mVkbdWindows.end(); ++it ) {
+			stack[ count++ ] = (*it).id;
+		}
+		for( TQValueList< TQWidget* >::ConstIterator it = mDialogs.begin(); it != mDialogs.end(); ++it ) {
+			stack[ count++ ] = (*it)->winId();
+		}
+		stack[ count++ ] = winId();
+		XRestackWindows( x11Display(), stack, count );
+		delete[] stack;
+	}
+	else {
+		XRaiseWindow(tqt_xdisplay(), winId());
+	}
+}
+
+void LockProcess::checkDPMSActive()
+{
+#ifdef HAVE_DPMS
+	if (KDesktopSettings::dpmsDependent()) {
+		BOOL on;
+		CARD16 state;
+		if (DPMSInfo(tqt_xdisplay(), &state, &on)) {
+			//kdDebug() << "checkDPMSActive " << on << " " << state << endl;
+			if (DPMS_MONITOR_BLANKED(state)) {
+				suspend();
+			}
+			else if (mSuspended) {
+				if (mResizingDesktopLock == false) {
+					resume( true );
+				}
+			}
+		}
+	}
+#endif
+}
+
+#if defined(HAVE_XF86MISC) && defined(HAVE_XF86MISCSETGRABKEYSSTATE)
+// see http://cvsweb.xfree86.org/cvsweb/xc/programs/Xserver/hw/xfree86/common/xf86Events.c#rev3.113
+// This allows enabling the "Allow{Deactivate/Closedown}Grabs" options in XF86Config,
+// and kdesktop_lock will still lock the session.
+static enum { Unknown, Yes, No } can_do_xf86_lock = Unknown;
+void LockProcess::lockXF86()
+{
+	if( can_do_xf86_lock == Unknown ) {
+		int major, minor;
+		if( XF86MiscQueryVersion( tqt_xdisplay(), &major, &minor ) && major >= 0 && minor >= 5 ) {
+			can_do_xf86_lock = Yes;
+		}
+		else {
+			can_do_xf86_lock = No;
+		}
+	}
+	if( can_do_xf86_lock != Yes ) {
+		return;
+	}
+	if( mRestoreXF86Lock ) {
+		return;
+	}
+	if( XF86MiscSetGrabKeysState( tqt_xdisplay(), False ) != MiscExtGrabStateSuccess ) {
+		return;
+	}
+	// success
+	mRestoreXF86Lock = true;
+}
+
+void LockProcess::unlockXF86()
+{
+	if( can_do_xf86_lock != Yes ) {
+		return;
+	}
+	if( !mRestoreXF86Lock ) {
+		return;
+	}
+	XF86MiscSetGrabKeysState( tqt_xdisplay(), True );
+	mRestoreXF86Lock = false;
+}
+#else
+void LockProcess::lockXF86()
+{
+	//
+}
+
+void LockProcess::unlockXF86()
+{
+	//
+}
+#endif
+
+void LockProcess::msgBox( TQMessageBox::Icon type, const TQString &txt )
+{
+	TQDialog box( 0, "messagebox", true, (trinity_desktop_lock_use_system_modal_dialogs?((WFlags)WStyle_StaysOnTop):((WFlags)WX11BypassWM)) );
+	if (trinity_desktop_lock_use_system_modal_dialogs) {
+		// Signal that we do not want any window controls to be shown at all
+		XChangeProperty(tqt_xdisplay(), box.winId(), kde_wm_system_modal_notification, XA_INTEGER, 32, PropModeReplace, (unsigned char *) "TRUE", 1L);
+	}
+	box.setCaption(i18n("Authentication Subsystem Notice"));
+	TQFrame *winFrame = new TQFrame( &box );
+	if (trinity_desktop_lock_use_system_modal_dialogs) {
+		winFrame->setFrameStyle( TQFrame::NoFrame );
+	}
+	else {
+		winFrame->setFrameStyle( TQFrame::WinPanel | TQFrame::Raised );
+	}
+	winFrame->setLineWidth( 2 );
+	TQLabel *label1 = new TQLabel( winFrame );
+	label1->setPixmap( TQMessageBox::standardIcon( type ) );
+	TQLabel *label2 = new TQLabel( txt, winFrame );
+	KPushButton *button = new KPushButton( KStdGuiItem::ok(), winFrame );
+	button->setDefault( true );
+	button->setSizePolicy( TQSizePolicy( TQSizePolicy::Preferred, TQSizePolicy::Preferred ) );
+	connect( button, TQT_SIGNAL( clicked() ), &box, TQT_SLOT( accept() ) );
+
+	TQVBoxLayout *vbox = new TQVBoxLayout( &box );
+	vbox->addWidget( winFrame );
+	TQGridLayout *grid = new TQGridLayout( winFrame, 2, 2, 10 );
+	grid->addWidget( label1, 0, 0, Qt::AlignCenter );
+	grid->addWidget( label2, 0, 1, Qt::AlignCenter );
+	grid->addMultiCellWidget( button, 1,1, 0,1, Qt::AlignCenter );
+
+	execDialog( &box );
+}
+
+static int run_vkbd = -1;
+void LockProcess::showVkbd()
+{
+	if( run_vkbd == - 1 ) {
+#ifdef WITH_HAL
+		int status = system( "hal-find-by-property --key system.formfactor.subtype --string tabletpc" );
+// 		status = 0; // enable for testing
+		run_vkbd = ( WIFEXITED( status ) && WEXITSTATUS( status ) == 0 && !TDEStandardDirs::findExe( "xvkbd" ).isEmpty()) ? 1 : 0;
+#else // WITH_HAL
+		run_vkbd = (!TDEStandardDirs::findExe( "xvkbd" ).isEmpty());
+#endif // WITH_HAL
+	}
+	if( run_vkbd ) {
+		mVkbdWindows.clear();
+		mVkbdLastEventWindow = None;
+		mKWinModule = new KWinModule( NULL, KWinModule::INFO_WINDOWS );
+		connect( mKWinModule, TQT_SIGNAL( windowAdded( WId )), TQT_SLOT( windowAdded( WId )));
+		mVkbdProcess = new TDEProcess;
+		*mVkbdProcess << "xvkbd" << "-compact" << "-geometry" << "-0-0" << "-xdm";
+		mVkbdProcess->start();
+	}
+}
+
+void LockProcess::hideVkbd()
+{
+	if( mVkbdProcess != NULL ) {
+		mVkbdProcess->kill();
+		delete mVkbdProcess;
+		mVkbdProcess = NULL;
+		delete mKWinModule;
+		mKWinModule = NULL;
+		mVkbdWindows.clear();
+	}
+}
+
+void LockProcess::windowAdded( WId w )
+{
+	windowAdded( w, true );
+}
+
+void LockProcess::windowAdded( WId w, bool managed )
+{
+	// KWin::windowInfo may generate BadWindow errors, so make sure they are silently ignored
+	int (*oldHandler)(Display *, XErrorEvent *);
+	oldHandler = XSetErrorHandler(ignoreXError);
+	KWin::WindowInfo info = KWin::windowInfo( w, 0, NET::WM2WindowClass );
+	XSetErrorHandler(oldHandler);
+
+	if( info.windowClassClass().lower() != "xvkbd" ) {
+		return;
+	}
+	// Unmanaged windows (i.e. popups) don't currently work anyway, since they
+	// don't have WM_CLASS set anyway. I could perhaps try tricks with X id
+	// ranges if really needed.
+	if( managed ) {
+		// withdraw the window, wait for it to be withdrawn, reparent it directly
+		// to root at the right position
+		XWithdrawWindow( tqt_xdisplay(), w, tqt_xscreen());
+		for(;;) {
+			Atom type;
+			int format;
+			unsigned long length, after;
+			unsigned char *data;
+			int r = XGetWindowProperty( tqt_xdisplay(), w, tqt_wm_state, 0, 2,
+							false, AnyPropertyType, &type, &format,
+							&length, &after, &data );
+			bool withdrawn = true;
+			if ( r == Success && data && format == 32 ) {
+				TQ_UINT32 *wstate = (TQ_UINT32*)data;
+				withdrawn  = (*wstate == WithdrawnState );
+				XFree( (char *)data );
+			}
+			if( withdrawn ) {
+				break;
+			}
+		}
+	}
+	XSelectInput( tqt_xdisplay(), w, StructureNotifyMask );
+	XWindowAttributes attr_geom;
+	if( !XGetWindowAttributes( tqt_xdisplay(), w, &attr_geom )) {
+		return;
+	}
+	int x = XDisplayWidth( tqt_xdisplay(), tqt_xscreen()) - attr_geom.width;
+	int y = XDisplayHeight( tqt_xdisplay(), tqt_xscreen()) - attr_geom.height;
+	if( managed ) {
+		XSetWindowAttributes attr;
+		if (!trinity_desktop_lock_use_system_modal_dialogs) {
+			attr.override_redirect = True;
+			XChangeWindowAttributes( tqt_xdisplay(), w, CWOverrideRedirect, &attr );
+		}
+		XReparentWindow( tqt_xdisplay(), w, tqt_xrootwin(), x, y );
+		XMapWindow( tqt_xdisplay(), w );
+	}
+	VkbdWindow data;
+	data.id = w;
+	data.rect = TQRect( x, y, attr_geom.width, attr_geom.height );
+	mVkbdWindows.prepend( data );
+}
+
+bool LockProcess::forwardVkbdEvent( XEvent* event )
+{
+	if( mVkbdProcess == NULL ) {
+		return false;
+	}
+	TQPoint pos;
+	Time time;
+	switch( event->type )
+	{
+		case ButtonPress:
+		case ButtonRelease:
+			pos = TQPoint( event->xbutton.x, event->xbutton.y );
+			time = event->xbutton.time;
+			break;
+		case MotionNotify:
+			pos = TQPoint( event->xmotion.x, event->xmotion.y );
+			time = event->xmotion.time;
+			break;
+		default:
+			return false;
+	}
+	// vkbd windows are kept topmost, so just find the first one in the position
+	for( TQValueList< VkbdWindow >::ConstIterator it = mVkbdWindows.begin(); it != mVkbdWindows.end(); ++it ) {
+		if( TQT_TQRECT_OBJECT((*it).rect).contains( pos )) {
+			// Find the subwindow where the event should actually go.
+			// Not exactly cheap in the number of X roundtrips but oh well.
+			Window window = (*it).id;
+			Window root, child;
+			int root_x, root_y, x, y;
+			unsigned int mask;
+			for(;;) {
+				if( !XQueryPointer( tqt_xdisplay(), window, &root, &child, &root_x, &root_y, &x, &y, &mask )) {
+					return false;
+				}
+				if( child == None ) {
+					break;
+				}
+				window = child;
+			}
+			switch( event->type )
+			{
+				case ButtonPress:
+				case ButtonRelease:
+					event->xbutton.x = x;
+					event->xbutton.y = y;
+					event->xbutton.subwindow = None;
+					break;
+				case MotionNotify:
+					event->xmotion.x = x;
+					event->xmotion.y = y;
+					event->xmotion.subwindow = None;
+					break;
+			}
+			event->xany.window = window;
+			sendVkbdFocusInOut( window, time );
+			XSendEvent( tqt_xdisplay(), window, False, 0, event );
+			return true;
+		}
+	}
+	sendVkbdFocusInOut( None, time );
+	return false;
+}
+
+// Fake EnterNotify/LeaveNotify events as the mouse moves. They're not sent by X
+// because of the grab and having them makes xvkbd highlight the buttons (but
+// not needed otherwise it seems).
+void LockProcess::sendVkbdFocusInOut( WId window, Time t )
+{
+	if( mVkbdLastEventWindow == window ) {
+		return;
+	}
+	if( mVkbdLastEventWindow != None ) {
+		XEvent e;
+		e.xcrossing.type = LeaveNotify;
+		e.xcrossing.display = tqt_xdisplay();
+		e.xcrossing.window = mVkbdLastEventWindow;
+		e.xcrossing.root = tqt_xrootwin();
+		e.xcrossing.subwindow = None;
+		e.xcrossing.time = t;
+		e.xcrossing.x = 0;
+		e.xcrossing.y = 0;
+		e.xcrossing.x_root = -1;
+		e.xcrossing.y_root = -1;
+		e.xcrossing.mode = NotifyNormal;
+		e.xcrossing.detail = NotifyAncestor;
+		e.xcrossing.same_screen = True;
+		e.xcrossing.focus = False;
+		e.xcrossing.state = 0;
+		XSendEvent( tqt_xdisplay(), mVkbdLastEventWindow, False, 0, &e );
+	}
+	mVkbdLastEventWindow = window;
+	if( mVkbdLastEventWindow != None ) {
+		XEvent e;
+		e.xcrossing.type = EnterNotify;
+		e.xcrossing.display = tqt_xdisplay();
+		e.xcrossing.window = mVkbdLastEventWindow;
+		e.xcrossing.root = tqt_xrootwin();
+		e.xcrossing.subwindow = None;
+		e.xcrossing.time = t;
+		e.xcrossing.x = 0;
+		e.xcrossing.y = 0;
+		e.xcrossing.x_root = 0;
+		e.xcrossing.y_root = 0;
+		e.xcrossing.mode = NotifyNormal;
+		e.xcrossing.detail = NotifyAncestor;
+		e.xcrossing.same_screen = True;
+		e.xcrossing.focus = False;
+		e.xcrossing.state = 0;
+		XSendEvent( tqt_xdisplay(), mVkbdLastEventWindow, False, 0, &e );
+	}
+}
+
+void LockProcess::slotMouseActivity(XEvent *event)
+{
+	bool inFrame = 0;
+	bool inDialog = 0;
+	XButtonEvent *be = (XButtonEvent *) event;
+	XMotionEvent *me = (XMotionEvent *) event;
+	if ((event->type == ButtonPress) && (!mDialogs.isEmpty())) {
+		// Get geometry including window frame/titlebar
+		TQRect fgeom = mDialogs.first()->frameGeometry();
+		TQRect wgeom = mDialogs.first()->geometry();
+
+		if (((be->x_root > fgeom.x()) && (be->y_root > fgeom.y())) && ((be->x_root < (fgeom.x()+fgeom.width())) && (be->y_root < (fgeom.y()+fgeom.height())))) {
+			inFrame = 1;
+		}
+		if (((be->x_root > wgeom.x()) && (be->y_root > wgeom.y())) && ((be->x_root < (wgeom.x()+wgeom.width())) && (be->y_root < (wgeom.y()+wgeom.height())))) {
+			inDialog = 1;
+		}
+
+		// Clicked inside dialog; set focus
+		if (inFrame == TRUE) {
+			WId window = mDialogs.first()->winId();
+			XSetInputFocus(tqt_xdisplay(), window, RevertToParent, CurrentTime);
+			fakeFocusIn(window);
+			// Why this needs to be repeated I have no idea...
+			XSetInputFocus(tqt_xdisplay(), window, RevertToParent, CurrentTime);
+			fakeFocusIn(window);
+		}
+
+		// Clicked inside window handle (or border); drag window
+		if ((inFrame == TRUE) && (inDialog == FALSE)) {
+			TQPoint oldPoint = mDialogs.first()->pos();
+			m_mouseDown = 1;
+			m_dialogPrevX = oldPoint.x();
+			m_dialogPrevY = oldPoint.y();
+			m_mousePrevX = be->x_root;
+			m_mousePrevY = be->y_root;
+			XChangeActivePointerGrab( tqt_xdisplay(), GRABEVENTS, TQCursor(tqsizeAllCursor).handle(), CurrentTime);
+		}
+	}
+
+	// Drag the window...
+	if (event->type == MotionNotify) {
+		if (m_mouseDown == TRUE) {
+			int deltaX = me->x_root - m_mousePrevX;
+			int deltaY = me->y_root - m_mousePrevY;
+			m_dialogPrevX = m_dialogPrevX + deltaX;
+			m_dialogPrevY = m_dialogPrevY + deltaY;
+			if (!mDialogs.isEmpty()) mDialogs.first()->move(m_dialogPrevX, m_dialogPrevY);
+
+			m_mousePrevX = me->x_root;
+			m_mousePrevY = me->y_root;
+		}
+	}
+
+	if (event->type == ButtonRelease) {
+		m_mouseDown = 0;
+		XChangeActivePointerGrab( tqt_xdisplay(), GRABEVENTS, TQCursor(tqarrowCursor).handle(), CurrentTime);
+	}
+}
+
+void LockProcess::processInputPipeCommand(TQString inputcommand) {
+	TQCString command(inputcommand.ascii());
+	TQString to_display;
+	TQString pin_entry;
+
+	if (command[0] == 'C') {
+		while (mDialogControlLock == true) usleep(100000);
+		mDialogControlLock = true;
+		if (mInfoMessageDisplayed || !trinity_desktop_lock_use_system_modal_dialogs) {
+			if (currentDialog != NULL) {
+				mForceReject = true;
+				closeCurrentWindow();
+			}
+		}
+		mClosingWindows = false;
+		mInfoMessageDisplayed = false;
+		mDialogControlLock = false;
+	}
+	if (command[0] == 'T') {
+		to_display = command.data();
+		to_display = to_display.remove(0,1);
+		// Lock out password dialogs and close any active dialog
+		while (mDialogControlLock == true) usleep(100000);
+		mDialogControlLock = true;
+		if (mInfoMessageDisplayed || !trinity_desktop_lock_use_system_modal_dialogs) {
+			if (currentDialog != NULL) {
+				mForceReject = true;
+				closeCurrentWindow();
+			}
+		}
+		mInfoMessageDisplayed = true;
+		mDialogControlLock = false;
+		// Display info message dialog
+		InfoDlg inDlg( this );
+		inDlg.updateLabel(to_display);
+		inDlg.setUnlockIcon();
+		execDialog( &inDlg );
+		mForceReject = false;
+		mClosingWindows = false;
+		return;
+	}
+	if ((command[0] == 'E') || (command[0] == 'W') || (command[0] == 'I') || (command[0] == 'K')) {
+		to_display = command.data();
+		to_display = to_display.remove(0,1);
+		// Lock out password dialogs and close any active dialog
+		while (mDialogControlLock == true) usleep(100000);
+		mDialogControlLock = true;
+		if (mInfoMessageDisplayed || !trinity_desktop_lock_use_system_modal_dialogs) {
+			if (currentDialog != NULL) {
+				mForceReject = true;
+				closeCurrentWindow();
+			}
+		}
+		mInfoMessageDisplayed = true;
+		mDialogControlLock = false;
+		// Display info message dialog
+		InfoDlg inDlg( this );
+		inDlg.updateLabel(to_display);
+		if (command[0] == 'K') inDlg.setKDEIcon();
+		if (command[0] == 'I') inDlg.setInfoIcon();
+		if (command[0] == 'W') inDlg.setWarningIcon();
+		if (command[0] == 'E') inDlg.setErrorIcon();
+		execDialog( &inDlg );
+		mForceReject = false;
+		mClosingWindows = false;
+		return;
+	}
+	if (command[0] == 'Q') {
+		to_display = command.data();
+		to_display = to_display.remove(0,1);
+		// Lock out password dialogs and close any active dialog
+		while (mDialogControlLock == true) usleep(100000);
+		mDialogControlLock = true;
+		if (mInfoMessageDisplayed || !trinity_desktop_lock_use_system_modal_dialogs) {
+			if (currentDialog != NULL) {
+				mForceReject = true;
+				closeCurrentWindow();
+			}
+		}
+		mInfoMessageDisplayed = true;
+		mDialogControlLock = false;
+		// Display query dialog
+		QueryDlg qryDlg( this );
+		qryDlg.updateLabel(to_display);
+		qryDlg.setUnlockIcon();
+		mForceReject = false;
+		execDialog( &qryDlg );
+		if (mForceReject == false) {
+			pin_entry = qryDlg.getEntry();
+			mInfoMessageDisplayed=false;
+			if (mPipeOpen_out == true) {
+			  TQCString pin_entry_local8 = pin_entry.local8Bit();  // local 8 bit length may differ from TQString length
+				if (write(mPipe_fd_out, pin_entry_local8.data(), pin_entry_local8.length()+1) == -1) {
+					// Error handler to shut up gcc warnings
+				}
+				if (write(mPipe_fd_out, "\n\r", 3) == -1) {
+					// Error handler to shut up gcc warnings
+				}
+			}
+		}
+		mForceReject = false;
+		mClosingWindows = false;
+		return;
+	}
+}
+
+void LockProcess::cryptographicCardInserted(TDECryptographicCardDevice* cdevice) {
+	TQString login_name = TQString::null;
+	X509CertificatePtrList certList = cdevice->cardX509Certificates();
+	if (certList.count() > 0) {
+		KSSLCertificate* card_cert = NULL;
+		card_cert = KSSLCertificate::fromX509(certList[0]);
+		TQStringList cert_subject_parts = TQStringList::split("/", card_cert->getSubject(), false);
+		for (TQStringList::Iterator it = cert_subject_parts.begin(); it != cert_subject_parts.end(); ++it ) {
+			TQString lcpart = (*it).lower();
+			if (lcpart.startsWith("cn=")) {
+				login_name = lcpart.right(lcpart.length() - strlen("cn="));
+			}
+		}
+		delete card_cert;
+	}
+
+	if (login_name != "") {
+		KUser user;
+		if (login_name == user.loginName()) {
+			// Pass login to the PAM stack...
+			m_loginCardDevice = cdevice;
+			if (dynamic_cast<SAKDlg*>(currentDialog)) {
+				dynamic_cast<SAKDlg*>(currentDialog)->closeDialogForced();
+				TQTimer::singleShot(0, this, SLOT(signalPassDlgToAttemptCardLogin()));
+			}
+			else if (dynamic_cast<SecureDlg*>(currentDialog)) {
+				dynamic_cast<SecureDlg*>(currentDialog)->closeDialogForced();
+				TQTimer::singleShot(0, this, SLOT(signalPassDlgToAttemptCardLogin()));
+			}
+			else if (dynamic_cast<PasswordDlg*>(currentDialog)) {
+				signalPassDlgToAttemptCardLogin();
+			}
+		}
+	}
+}
+
+void LockProcess::cryptographicCardRemoved(TDECryptographicCardDevice* cdevice) {
+	PasswordDlg* passDlg = dynamic_cast<PasswordDlg*>(currentDialog);
+	if (passDlg) {
+		passDlg->resetCardLogin();
+	}
+	else {
+		m_loginCardDevice = NULL;
+		TQTimer::singleShot(0, this, SLOT(signalPassDlgToAttemptCardAbort()));
+	}
+}
+
+void LockProcess::signalPassDlgToAttemptCardLogin() {
+	PasswordDlg* passDlg = dynamic_cast<PasswordDlg*>(currentDialog);
+	if (passDlg && m_loginCardDevice) {
+		passDlg->attemptCardLogin();
+	}
+	else {
+		if (currentDialog && m_loginCardDevice) {
+			// Try again later
+			TQTimer::singleShot(0, this, SLOT(signalPassDlgToAttemptCardLogin()));
+		}
+	}
+}
+
+void LockProcess::signalPassDlgToAttemptCardAbort() {
+	PasswordDlg* passDlg = dynamic_cast<PasswordDlg*>(currentDialog);
+	if (passDlg) {
+		passDlg->resetCardLogin();
+	}
+	else {
+		if (currentDialog) {
+			// Try again later
+			TQTimer::singleShot(0, this, SLOT(signalPassDlgToAttemptCardAbort()));
+		}
+	}
+}
+
+void LockProcess::cryptographicCardPinRequested(TQString prompt, TDECryptographicCardDevice* cdevice) {
+	TQCString password;
+	TQString pin_entry;
+
+	QueryDlg qryDlg(this);
+	qryDlg.updateLabel(prompt);
+	qryDlg.setUnlockIcon();
+	mForceReject = false;
+	execDialog(&qryDlg);
+	if (mForceReject == false) {
+		pin_entry = qryDlg.getEntry();
+		cdevice->setProvidedPin(pin_entry);
+	}
+	else {
+		cdevice->setProvidedPin(TQString::null);
+	}
+}
+
+TDECryptographicCardDevice* LockProcess::cryptographicCardDevice() {
+	return m_loginCardDevice;
+}
+
+void LockProcess::fullyOnline() {
+	if (!mFullyOnlineSent) {
+		if (kdesktop_pid > 0) {
+			if (kill(kdesktop_pid, SIGUSR2) < 0) {
+				// The controlling kdesktop process probably died.  Commit suicide...
+				// Exit uncleanly
+				exit(1);
+			}
+			else {
+				mFullyOnlineSent = true;
+			}
+		}
+	}
+}
+
+void LockProcess::saverReady() {
+	DCOPRef ref( "kdesktop", "KScreensaverIface");
+	ref.send( "saverLockReady" );
+}
+
+//===========================================================================
+//
+// Control pipe handler
+//
+ControlPipeHandlerObject::ControlPipeHandlerObject() : TQObject() {
+	mParent = NULL;
+	mRunning = false;
+	mTerminate = false;
+	mThreadID = 0L;
+}
+
+ControlPipeHandlerObject::~ControlPipeHandlerObject() {
+	//
+}
+
+void ControlPipeHandlerObject::run(void) {
+	mThreadID = pthread_self();
+	mRunning = true;
+
+	sigset_t new_mask;
+	sigemptyset(&new_mask);
+	sigaddset(&new_mask, SIGUSR1);
+
+	// Unblock SIGUSR1
+	pthread_sigmask(SIG_UNBLOCK, &new_mask, NULL);
+
+	int display_number = atoi(TQString(XDisplayString(tqt_xdisplay())).replace(":","").ascii());
+
+	if (display_number < 0) {
+		printf("[kdesktop_lock] Warning: unable to create control socket.  Interactive logon modules may not function properly.\n");
+		mRunning = false;
+		TQApplication::eventLoop()->exit(-1);
+		return;
+	}
+
+	char fifo_file[PATH_MAX];
+	char fifo_file_out[PATH_MAX];
+	snprintf(fifo_file, PATH_MAX, FIFO_FILE, display_number);
+	snprintf(fifo_file_out, PATH_MAX, FIFO_FILE_OUT, display_number);
+
+	/* Create the FIFOs if they do not exist */
+	umask(0);
+	mkdir(FIFO_DIR,0644);
+	mknod(fifo_file, S_IFIFO|0644, 0);
+	chmod(fifo_file, 0644);
+
+	mParent->mPipe_fd = open(fifo_file, O_RDONLY | O_NONBLOCK);
+	if (mParent->mPipe_fd > -1) {
+		mParent->mPipeOpen = true;
+	}
+
+	mknod(fifo_file_out, S_IFIFO|0600, 0);
+	chmod(fifo_file_out, 0600);
+
+	mParent->mPipe_fd_out = open(fifo_file_out, O_RDWR | O_NONBLOCK);
+	if (mParent->mPipe_fd_out > -1) {
+		mParent->mPipeOpen_out = true;
+	}
+
+	if (!mParent->mPipeOpen) {
+		printf("[kdesktop_lock] Warning: unable to create control socket '%s'.  Interactive logon modules may not function properly.\n", fifo_file);
+		mRunning = false;
+		TQApplication::eventLoop()->exit(-1);
+		return;
+	}
+
+	int numread;
+	int retval;
+	fd_set rfds;
+	FD_ZERO(&rfds);
+	FD_SET(mParent->mPipe_fd, &rfds);
+	TQByteArray readbuf(128);
+
+	while (mParent->mPipeOpen && !mTerminate) {
+		TQString inputcommand = "";
+
+		// Wait for mParent->mPipe_fd to receive input
+		retval = select(mParent->mPipe_fd + 1, &rfds, NULL, NULL, NULL);
+		if (retval < 0) {
+			// ERROR
+		}
+		else if (retval) {
+			// New data is available
+			readbuf[0]=' ';
+			numread = read(mParent->mPipe_fd, readbuf.data(), 128);
+			readbuf[numread] = 0;
+			if (numread > 0) {
+				inputcommand += readbuf;
+				emit processCommand(inputcommand);
+			}
+		}
+	}
+
+	mRunning = false;
+	TQApplication::eventLoop()->exit(0);
+	return;
+}
+
+void ControlPipeHandlerObject::terminateThread() {
+	if (mRunning) {
+		mTerminate = true;
+		pthread_kill(mThreadID, SIGUSR1);
+	}
+}
+
+#include "lockprocess.moc"