Provide a way to force the operator panel to hide...

... after completing an operation, rather than staying visible and
displaying the previous operation.

smtk/extension/qt/qtModelView.cxx

@@ -1803,11 +1803,11 @@ void qtModelView::onOperationPanelClosing()
   }
 }
 
-bool qtModelView::showPreviousOpOrHide()
+bool qtModelView::showPreviousOpOrHide(bool alwaysHide)
 {
   if (this->m_OperatorsWidget)
   {
-    if (this->m_OperatorsWidget->showPreviousOp())
+    if (this->m_OperatorsWidget->showPreviousOp() && !alwaysHide)
     {
       return true;
     }

smtk/extension/qt/qtModelView.h

@@ -90,7 +90,7 @@ public slots:
   bool requestOperation(
     const std::string& opName, const smtk::common::UUID& sessionId, bool launchOp);
   virtual void onOperationPanelClosing();
-  virtual bool showPreviousOpOrHide();
+  virtual bool showPreviousOpOrHide(bool alwaysHide = true);
 
 signals:
   void sendSelectionsFromModelViewToSelectionManager(const smtk::model::EntityRefs& selEntities,