@Override
		public void setSelected(boolean isSelected) {
			super.setSelected(isSelected);
			getToolBarData().setIcon(isSelected ? INVERTED_ICON_ON : INVERTED_ICON_OFF);
		}
The NextPrevCodeUnitPlugin generates a GoTo event based on where the cursor
is located in the program. The GoTo events provided by this plugin are:
<UL>
<LI>Next-Previous Instruction</LI>
<LI>Next-Previous Defined Data</LI>
<LI>Next-Previous Undefined Data</LI>
<LI>Next-Previous Function</LI>
<LI>Next-Previous Non-Function</LI>
<LI>Next-Previous Label</LI>
<LI>Next-Previous Bookmark</LI>
</UL>
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/navigation/NextPrevCodeUnitPlugin.java