* fixes Issue #99

* fixed (de)initialization of DataContainerInspectorWidget and its canvas

application/gui/datacontainerinspectorcanvas.cpp

@@ -188,7 +188,9 @@ namespace campvis {
     }
 
     void DataContainerInspectorCanvas::invalidate() {
-        GLJobProc.enqueueJob(this, makeJobOnHeap(this, &DataContainerInspectorCanvas::paint), OpenGLJobProcessor::PaintJob);
+        // only if inited
+        if (_quad != 0 && _paintShader != 0)
+            GLJobProc.enqueueJob(this, makeJobOnHeap(this, &DataContainerInspectorCanvas::paint), OpenGLJobProcessor::PaintJob);
     }
 
     void DataContainerInspectorCanvas::createQuad() {

application/gui/datacontainerinspectorwidget.cpp

@@ -236,7 +236,6 @@ namespace campvis {
         }
 
         _dataContainer = 0;
-        _dctWidget->update(0);
     }
 
     void DataContainerInspectorWidget::onDCTWidgetSelectionModelSelectionChanged(const QItemSelection& selected, const QItemSelection& deselected) {

application/gui/properties/datanamepropertywidget.cpp

@@ -80,10 +80,20 @@ namespace campvis {
     void DataNamePropertyWidget::updateWidgetFromProperty() {
         DataNameProperty* prop = static_cast<DataNameProperty*>(_property);
         QString qs = QString::fromStdString(prop->getValue());
-        if (_lineEdit->text() != qs) {
-            _lineEdit->blockSignals(true);
-            _lineEdit->setText(qs);
-            _lineEdit->blockSignals(false);
+
+        if (prop->getAccessInfo() == DataNameProperty::READ) {
+            int idx = _combobox->findText(qs);
+            if (idx != -1)
+                _combobox->setCurrentIndex(idx);
+            else
+                _combobox->setEditText(qs);
+        }
+        else {
+            if (_lineEdit->text() != qs) {
+                _lineEdit->blockSignals(true);
+                _lineEdit->setText(qs);
+                _lineEdit->blockSignals(false);
+            }
         }
     }