private void updateTabColors() {
		boolean tabPanelHasFocus = hasFocus();
		for (GTab<T> tab : allTabs) {
			T value = tab.getValue();
			tab.setHighlight(shouldHighlight(value, tabPanelHasFocus));
		}
	}
Returns the value of the tab that generated the given mouse event. If the mouse event
is not from one of the tabs, then null is returned.
@param event the MouseEvent to get a value for
@return the value of the tab that generated the mouse event
Ghidra/Framework/Docking/src/main/java/docking/widgets/tab/GTabPanel.java