Fix ksmserver shutdown screen in ARGB mode

Do not exit the secure dialog on DCOP screensaver quit request


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1254881 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

kdesktop/lock/lockprocess.cc

@@ -316,9 +316,11 @@ static int signal_pipe[2];
 
 static void sigterm_handler(int)
 {
-    char tmp = 'T';
-    if (::write( signal_pipe[1], &tmp, 1) == -1) {
-        // Error handler to shut up gcc warnings
+    if (!trinity_desktop_lock_in_sec_dlg) {
+        char tmp = 'T';
+        if (::write( signal_pipe[1], &tmp, 1) == -1) {
+            // Error handler to shut up gcc warnings
+        }
     }
 }
 
@@ -657,7 +659,7 @@ void LockProcess::startSecureDialog()
 		kapp->quit();
 	}
 	// FIXME
-	// Handle remaining two cases (task manager and logoff menu)
+	// Handle remaining two cases (logoff menu and switch user)
 	stopSaver();
 }
 

ksmserver/shutdowndlg.cpp

@@ -523,6 +523,16 @@ KSMShutdownIPFeedback::KSMShutdownIPFeedback()
 	m_sharedRootPixmap->setCustomPainting(true);
 	connect(m_sharedRootPixmap, TQT_SIGNAL(backgroundUpdated(const TQPixmap &)), this, TQT_SLOT(slotSetBackgroundPixmap(const TQPixmap &)));
 
+	if (TQPaintDevice::x11AppDepth() == 32) {
+		// The shared pixmap is 24 bits, but we are 32 bits
+		// Therefore our only option is to use a 24-bit Xorg application to dump the shared pixmap in a common (png) format for loading later
+		TQString filename = getenv("USER");
+		filename.prepend("/tmp/kde-");
+		filename.append("/krootbacking.png");
+		remove(filename.ascii());
+		system("krootbacking &"); 
+	}
+
 	resize(0, 0);
 	setShown(true);
 }
@@ -566,16 +576,30 @@ void KSMShutdownIPFeedback::slotPaintEffect()
 		setGeometry( TQApplication::desktop()->geometry() );
 		setBackgroundMode( TQWidget::NoBackground );
 
-		m_sharedRootPixmap->start();
+		if (TQPaintDevice::x11AppDepth() != 32) {
+			m_sharedRootPixmap->start();
+		}
+
+		TQTimer::singleShot( 100, this, SLOT(slotPaintEffect()) );
+		mPixmapTimeout++;
+		return;
+	}
+	if (TQPaintDevice::x11AppDepth() == 32) {
+		TQString filename = getenv("USER");
+		filename.prepend("/tmp/kde-");
+		filename.append("/krootbacking.png");
+		bool success = pm.load(filename, "PNG");
+		if (!success) {
+			pm = TQPixmap();
+		}
 	}
-	if ((pm.isNull()) || (pm.width() != kapp->desktop()->width())) {
+	if ((pm.isNull()) || (pm.width() != kapp->desktop()->width()) || (pm.height() != kapp->desktop()->height())) {
 		if (mPixmapTimeout < 10) {
 			TQTimer::singleShot( 100, this, SLOT(slotPaintEffect()) );
 			mPixmapTimeout++;
 			return;
 		}
 		else {
-			pm = m_rootPixmap;
 			pm = TQPixmap(kapp->desktop()->width(), kapp->desktop()->height());
 			pm.fill(Qt::black);
 		}