void wlfPanel_AdvSettings::onRegionChanged() { LLViewerRegion* region = gAgent.getRegion(); if (region && region->simulatorFeaturesReceived()) { updateEditHoverEnabled(); } else if (region) { region->setSimulatorFeaturesReceivedCallback(boost::bind(&wlfPanel_AdvSettings::onSimulatorFeaturesReceived, this, _1)); } }