public void setShowMatchingListOnEmptyText(boolean show) {
		this.showMachingListOnEmptyText = show;
	}
Allows this text field to show all potential matches when the text of the field is empty.
The default is false.
@param show true to allow the list to be shown
Ghidra/Framework/Docking/src/main/java/docking/widgets/DropDownTextField.java