Bug 12329 [Cell Editors] Request:ComboBoxCellEditor READ_ONLY style
Although CCombo accepts SWT.READ_ONLY style, there is no way to specify style when it is used in ComboBoxCellEditor. How about adding createControl(Composite parent, int style) method to ComboBoxCellEditor class?
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/CellEditor.java
propertyChangeListeners.add(listener);
}
/**
 * Creates the control for this cell editor under the given parent control.
 * <p>
 * This framework method must be implemented by concrete
 * subclasses.
 * </p>
 *
 * @param parent the parent control
 * @return the new control, or <code>null</code> if this cell editor has no control
 */
protected abstract Control createControl(Composite parent);
/**
 * Hides this cell editor's control. Does nothing if this 
 * cell editor is not visible.
 */
public void deactivate() {
	if (control != null && !control.isDisposed())
		control.setVisible(false);
}
/**
 * Disposes of this cell editor and frees any associated SWT resources.
 */
public void dispose() {
	
	
	if (control != null && !control.isDisposed()) {
		control.dispose();
	}