/// // XXX: I am not sure I even need 5 elements...
/// this->last_active.resize(std::min(int(this->last_active.size()), 5));
+ this->emit_activated(drawing_name);
+
// no error
return nullptr;
}
return "Cannot deactivate surface (not active)";
}
+ this->emit_deactivated(drawing_name);
+
this->last_active.erase(is);
if (! this->last_active.empty()) {