public void setColumns(int columns) {
		JTextField textField = getTextField();
		textField.setColumns(columns);
	}
Sets the number of column's in the editor's component (JTextField).
@param columns the number of columns to show
@see JTextField#setColumns(int)
Ghidra/Framework/Docking/src/main/java/docking/widgets/combobox/GhidraComboBox.java