update preview title on changed referenceableID (preview for references only)

apps/opencs/view/render/previewwidget.cpp

@@ -149,7 +149,7 @@ void CSVRender::PreviewWidget::ReferenceDataChanged (const QModelIndex& topLeft,
         if (index.column()>=topLeft.column() && index.column()<=bottomRight.row())
         {
             mReferenceableId = references.data (index).toString().toUtf8().constData();
-            /// \todo update title
+            emit referenceableIdChanged (mReferenceableId);
             setModel();
         }
 

apps/opencs/view/render/previewwidget.hpp

@@ -46,6 +46,8 @@ namespace CSVRender
 
             void closeRequest();
 
+            void referenceableIdChanged (const std::string& id);
+
         private slots:
 
             void ReferenceableDataChanged (const QModelIndex& topLeft,

apps/opencs/view/world/previewsubview.cpp

@@ -21,10 +21,7 @@ CSVWorld::PreviewSubView::PreviewSubView (const CSMWorld::UniversalId& id, CSMDo
         std::string referenceableId =
             document.getData().getReferences().getRecord (id.getId()).get().mRefID;
 
-        if (referenceableId.empty())
-            setWindowTitle ("Preview: Reference to <nothing>");
-        else
-            setWindowTitle (("Preview: Reference to " + referenceableId).c_str());
+        referenceableIdChanged (referenceableId);
 
         mScene =
             new CSVRender::PreviewWidget (document.getData(), referenceableId, id.getId(), this);
@@ -45,6 +42,8 @@ CSVWorld::PreviewSubView::PreviewSubView (const CSMWorld::UniversalId& id, CSMDo
     setWidget (widget);
 
     connect (mScene, SIGNAL (closeRequest()), this, SLOT (closeRequest()));
+    connect (mScene, SIGNAL (referenceableIdChanged (const std::string&)),
+        this, SLOT (referenceableIdChanged (const std::string&)));
 }
 
 void CSVWorld::PreviewSubView::setEditLock (bool locked) {}
@@ -52,4 +51,12 @@ void CSVWorld::PreviewSubView::setEditLock (bool locked) {}
 void CSVWorld::PreviewSubView::closeRequest()
 {
     deleteLater();
+}
+
+void CSVWorld::PreviewSubView::referenceableIdChanged (const std::string& id)
+{
+    if (id.empty())
+        setWindowTitle ("Preview: Reference to <nothing>");
+    else
+        setWindowTitle (("Preview: Reference to " + id).c_str());
 }

apps/opencs/view/world/previewsubview.hpp

@@ -30,6 +30,8 @@ namespace CSVWorld
         private slots:
 
             void closeRequest();
+
+            void referenceableIdChanged (const std::string& id);
     };
 }