private static void renderFocus(Display display) {
if (!display.isDisposed()) {
IDisplayAdapter displayAdapter = getDisplayAdapter(display);
RemoteAdapter widgetAdapter = getAdapter(display);
Object oldValue = widgetAdapter.getPreserved(PROP_FOCUS_CONTROL);
if (!widgetAdapter.isInitialized()
|| oldValue != display.getFocusControl()
|| displayAdapter.isFocusInvalidated()) {
// TODO [rst] Added null check as a NPE occurred in some rare cases
Control focusControl = display.getFocusControl();
if (focusControl != null) {
getRemoteObject(display).set(PROP_FOCUS_CONTROL, getId(display.getFocusControl()));
}
}
}
}
