Ensure screen is fully hidden before returning from kdestop lock dcop call

kdesktop/lock/lockprocess.cc

@@ -559,7 +559,7 @@ bool LockProcess::lock()
 	tqApp->processEvents();
 #endif
 
-	if (startSaver()) {
+	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
@@ -1322,7 +1322,7 @@ void LockProcess::setTransparentBackgroundARGB()
 //
 // Start the screen saver.
 //
-bool LockProcess::startSaver()
+bool LockProcess::startSaver(bool notify_ready)
 {
 	if (!child_saver && !grabInput())
 	{
@@ -1370,6 +1370,10 @@ bool LockProcess::startSaver()
 		erase();
 	}
 
+	if (notify_ready) {
+		saverReady();
+	}
+
 	if (trinity_desktop_lock_in_sec_dlg == FALSE) {
 		if (trinity_desktop_lock_delay_screensaver_start && trinity_desktop_lock_forced && trinity_desktop_lock_use_system_modal_dialogs) {
 			ENABLE_CONTINUOUS_LOCKDLG_DISPLAY
@@ -2777,6 +2781,11 @@ void LockProcess::fullyOnline() {
 	}
 }
 
+void LockProcess::saverReady() {
+	DCOPRef ref( "kdesktop", "KScreensaverIface");
+	ref.send( "saverLockReady" );
+}
+
 //===========================================================================
 //
 // Control pipe handler

kdesktop/lock/lockprocess.h

@@ -139,7 +139,7 @@ private:
     bool grabInput();
     void ungrabInput();
     void cantLock(const TQString &reason);
-    bool startSaver();
+    bool startSaver(bool notify_ready = false);
     void stopSaver();
     bool startHack();
     void stopHack();
@@ -150,6 +150,7 @@ private:
     void unlockXF86();
     void showVkbd();
     void hideVkbd();
+    void saverReady();
     bool forwardVkbdEvent( XEvent* event );
     void sendVkbdFocusInOut( WId window, Time t );
     void windowAdded( WId window, bool managed );

kdesktop/lock/main.cc

@@ -454,10 +454,8 @@ int main( int argc, char **argv )
         }
 
         bool rt;
-        bool sig = false;
         if( (((!child) && (args->isSet( "forcelock" ))) || (signalled_forcelock == TRUE))) {
             rt = process.lock();
-            sig = true;
         }
         else if( child || (args->isSet( "dontlock" ) || (signalled_dontlock == TRUE))) {
             rt = process.dontLock();
@@ -478,12 +476,6 @@ int main( int argc, char **argv )
             return 0;
         }
 
-        if( sig )
-        {
-            DCOPRef ref( "kdesktop", "KScreensaverIface");
-            ref.send( "saverLockReady" );
-        }
-
         if (in_internal_mode == FALSE) {
             trinity_desktop_lock_hidden_window_list.clear();
             int ret = app.exec();