Terminate pieces refresh if user called new parsing.

--HG--
branch : develop

src/app/valentina/xml/vpattern.cpp

@@ -172,6 +172,7 @@ void VPattern::Parse(const Document &parse)
             break;
     }
 
+    m_parsing = true;
     SCASSERT(sceneDraw != nullptr)
     SCASSERT(sceneDetail != nullptr)
     static const QStringList tags({TagDraw, TagIncrements, TagPreviewCalculations});
@@ -238,6 +239,7 @@ void VPattern::Parse(const Document &parse)
         RefreshPieceGeometry();
     }
     emit CheckLayout();
+    m_parsing = false;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -3576,10 +3578,25 @@ quint32 VPattern::LastToolId() const
 //---------------------------------------------------------------------------------------------------------------------
 void VPattern::RefreshPieceGeometry()
 {
+    if (qApp->IsGUIMode() && m_parsing)
+    {
+        return;
+    }
+
     for(auto piece : qAsConst(updatePieces))
     {
+        if (qApp->IsGUIMode() && m_parsing)
+        {
+            return;
+        }
+
         piece->RefreshGeometry();
         QApplication::processEvents();
+
+        if (qApp->IsGUIMode() && m_parsing)
+        {
+            return;
+        }
     }
     updatePieces.clear();
     VMainGraphicsView::NewSceneRect(sceneDetail, qApp->getSceneView());

src/app/valentina/xml/vpattern.h

@@ -138,6 +138,11 @@ private:
     VMainGraphicsScene *sceneDetail;
     QVector<VToolSeamAllowance *> updatePieces;
 
+    /**
+     * @brief m_parsing true if parsing a pattern. Helps to stop updating piece when new parsing happend before
+     * finish */
+    bool m_parsing{false};
+
     VNodeDetail    ParseDetailNode(const QDomElement &domElement) const;
 
     void           ParseDrawElement(const QDomNode& node, const Document &parse);