[Kst] kdeextragear-2/kst/kst

[George Staikos]

CVS commit by staikos: 

Only update when dependencies update or when forced to update


  M +8 -2      ksthistogram.cpp   1.52


--- kdeextragear-2/kst/kst/ksthistogram.cpp  #1.51:1.52
@@ -157,4 +157,5 @@ KstObject::UpdateType KstHistogram::upda
   double y = 0.0;
   double MaxY = 0.0;
+  bool force = false;
 
   if (KstObject::checkUpdateCounter(update_counter)) {
@@ -162,6 +163,11 @@ KstObject::UpdateType KstHistogram::upda
   }
 
-  if (update_counter > 0) {
-    _inputVectors[RAWVECTOR]->update(update_counter);
+  if (update_counter <= 0) {
+    force = true;
+  }
+
+  bool xUpdated = KstObject::UPDATE == _inputVectors[RAWVECTOR]->update(update_counter);
+  if (!xUpdated && !force) {
+    return setLastUpdateResult(KstObject::NO_CHANGE);
   }