Support calls to ctkRangeSlider::setValues inside setValues

When ctkRangeSlider fires valuesChanged(...), an observer can set new
values or range. The next signal calls minimumValueChanged and
maximumValueChanged should fire the new values and not the old ones.

Libs/Widgets/ctkRangeSlider.cpp

@@ -322,15 +322,15 @@ void ctkRangeSlider::setValues(int l, int u)
     {
     if (emitMinPosChanged || emitMaxPosChanged)
       {
-      emit positionsChanged(minimumValue, maximumValue);
+      emit positionsChanged(d->m_MinimumPosition, d->m_MaximumPosition);
       }
     if (emitMinPosChanged)
       {
-      emit minimumPositionChanged(minimumValue);
+      emit minimumPositionChanged(d->m_MinimumPosition);
       }
     if (emitMaxPosChanged)
       {
-      emit maximumPositionChanged(maximumValue);
+      emit maximumPositionChanged(d->m_MaximumPosition);
       }
     }
   if (emitMinValChanged || emitMaxValChanged)
@@ -340,11 +340,11 @@ void ctkRangeSlider::setValues(int l, int u)
     }
   if (emitMinValChanged)
     {
-    emit minimumValueChanged(minimumValue);
+    emit minimumValueChanged(d->m_MinimumValue);
     }
   if (emitMaxValChanged)
     {
-    emit maximumValueChanged(maximumValue);
+    emit maximumValueChanged(d->m_MaximumValue);
     }
   if (emitMinPosChanged || emitMaxPosChanged || 
       emitMinValChanged || emitMaxValChanged)