- Remove several warnings about unused parameters

http://reviewboard.kde.org/r/2252/
  I didn't applied Q_UNUSED to "parent" pointers as this looks suspicious to me, and it needs more review.


svn path=/trunk/KDE/kdelibs/; revision=1058428

extenders/extenderitem.cpp

@@ -692,6 +692,7 @@ void ExtenderItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
 
 QSizeF ExtenderItem::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
 {
+    Q_UNUSED(constraint)
     switch (which) {
     case Qt::MinimumSize:
         return d->minimumSize;

widgets/scrollwidget.cpp

@@ -502,7 +502,7 @@ void ScrollWidget::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
     event->ignore();
 }
 
-void ScrollWidget::wheelEvent(QGraphicsSceneWheelEvent *event)
+void ScrollWidget::wheelEvent(QGraphicsSceneWheelEvent *)
 {
     if (d->animId) {
         Animator::self()->stopItemMovement(d->animId);

widgets/spinbox.cpp

@@ -179,7 +179,7 @@ void SpinBox::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
     update();
 }
 
-void SpinBox::resizeEvent(QGraphicsSceneResizeEvent *event)
+void SpinBox::resizeEvent(QGraphicsSceneResizeEvent *)
 {
     QStyleOptionSpinBox spinOpt;
     spinOpt.initFrom(nativeWidget());