Allow desktop-type windows to only span one xrandr/mergedfb/xinerama-screen instead of all screens combined.

svn path=/trunk/KDE/kdebase/workspace/; revision=803349

geometry.cpp

@@ -32,6 +32,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <kapplication.h>
 #include <kglobal.h>
 #include <QPainter>
+#include <QDesktopWidget>
 #include <kwindowsystem.h>
 
 #include "placement.h"
@@ -875,6 +876,11 @@ void Client::checkWorkspacePosition()
     {
     if( isDesktop())
         {
+        if (geometry() == workspace()->clientArea( ScreenArea, this ))
+            {
+            return;
+            }
+            
         QRect area = workspace()->clientArea( FullArea, this );
         if( geometry() != area )
             setGeometry( area );

manage.cpp

@@ -33,6 +33,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "notifications.h"
 #include <QX11Info>
+#include <QDesktopWidget>
 #include "rules.h"
 #include "group.h"
 
@@ -235,8 +236,11 @@ bool Client::manage( Window w, bool isMapped )
     if ( isDesktop() ) 
         {
         // desktops are treated slightly special
-        geom = workspace()->clientArea( FullArea, geom.center(), desktop());
-        placementDone = true;
+        if (geom != workspace()->clientArea( ScreenArea, geom.center(), desktop()))
+            {
+            geom = workspace()->clientArea( FullArea, geom.center(), desktop());
+            placementDone = true;
+            }
         }
 
     bool usePosition = false;