std::string make_window_hierarchy_id_string(const window& w) {
if (!w.has_parent()) {
return w.get_id();
}
else {
std::string s = w.get_id();
const window* cw = &w;
while (cw->has_parent()) {
cw = &cw->get_parent();
s.insert(0, ".");
s.insert(0, cw->get_id());
}
return s;
}
}
