--- a/src/mainwindow.cpp Mon Mar 19 12:24:59 2018 +0200 +++ b/src/mainwindow.cpp Mon Mar 19 12:44:27 2018 +0200 @@ -915,8 +915,9 @@ { document->setFrozen(false); print ("Opened %1", document->name()); - getRendererForDocument(document); + Canvas* canvas = getRendererForDocument(document); updateDocumentList(); + connect(document, &LDDocument::windingChanged, canvas, &Canvas::fullUpdate); } } @@ -948,7 +949,7 @@ updateTitle(); print ("Changed document to %1", document->getDisplayName()); ui.objectList->setModel(document); - ui.header->setHeader(&document->header); + ui.header->setDocument(document); QItemSelectionModel* selection = m_selections.value(document); if (selection == nullptr)