Heads-up-display
A heads-up-display is used by ManiVault to overlay (textual) information on view plugins. The model classes below are for storing and filtering mv::util::HeadsUpDisplayItem.
Note
This API is considered a WIP. Plugin developers typically do not need to interact with the models directly as it is wrapped by the mv::gui::ViewPluginHeadsUpDisplayAction. This action is a member of the mv::plugin::ViewPlugin: mv::plugin::ViewPlugin::getHeadsUpDisplayAction().