Ensure the button is updated on enter/leave events, as some styles may not do that.

svn path=/trunk/KDE/kdegraphics/kpdf/; revision=459781

ui/minibar.cpp

@@ -70,6 +70,8 @@ class HoverButton : public QPushButton
 
     protected:
         void paintEvent( QPaintEvent * e );
+        void enterEvent( QPaintEvent * e );
+        void leaveEvent( QPaintEvent * e );
 };
 
 
@@ -405,6 +407,18 @@ HoverButton::HoverButton( QWidget * parent )
     KAcceleratorManager::setNoAccel( this );
 }
 
+void HoverButton::enterEvent( QPaintEvent * e )
+{
+	update();
+	QPushButton::enterEvent( e );
+}
+
+void HoverButton::leaveEvent( QPaintEvent * e )
+{
+	update();
+	QPushButton::leaveEvent( e );
+}
+
 void HoverButton::paintEvent( QPaintEvent * e )
 {
     if ( hasMouse() )