public static boolean isParent(Control parent, Control child) {
for (Control c = child; c != null; c = c.getParent()) {
if (c == parent) {
return true;
}
}
return false;
}
/**
* Determine whether this control or any of it's child has focus
*
* @param control control to check
* @return true if it has focus
*/
public static boolean hasFocus(Control control) {
Control focusControl = control.getDisplay().getFocusControl();
if (focusControl == null) {
return false;
}
for (Control fc = focusControl; fc != null; fc = fc.getParent()) {
if (fc == control) {
return true;
}
}
return false;
}