17 class Dt3DSegmentedLineModelAgent;
18 class DtWidgetLabelAgent;
19 class DtSceneObjectAgent;
20 class DtAttachableHatUpdaterAgent;
21 class DtProjectedWidgetModelAgent;
22 class DtAttachableHatTextUpdaterAgent;
39 virtual void setHatLineVisible(
bool );
48 virtual void createModelAgents();
51 virtual void destroyModelAgents();
55 virtual void setModelDefinitionForAgents();