private void deactivate() { if (fKeyListener != null) { Control control = fNavigable.getControl(); if (!control.isDisposed()) control.removeKeyListener(fKeyListener); fKeyListener = null; } }
private FocusHandler(Navigable navigable) { fIterator = new JavaWordIterator(); fNavigable = navigable; Control control = navigable.getControl(); control.addFocusListener(this); if (control.isFocusControl()) activate(); control.addDisposeListener( new DisposeListener() { public void widgetDisposed(DisposeEvent e) { deactivate(); } }); }
private void activate() { fNavigable.getControl().addKeyListener(getKeyListener()); }