Method LoadControl

engine/Poseidon/UI/Controls/UIControlsBase.cpp:811–838

            if (ctrl->IsVisible() && ctrl->IsEnabled() && (!def || ctrl->CanBeDefault()))
            {
                ctrl->OnSetFocus();
                _indexFocused = i;
                return true;
            }
        }
        _indexFocused = -1;
        return true;
    }
}

Control* ControlObjectContainer::LoadControl(const ParamEntry& ctrlCls)
{
    int type = ResolveLegacyControlInt(ctrlCls >> "type");
    int idc = ResolveLegacyControlInt(ctrlCls >> "idc");
    Control* ctrl = _parent->OnCreateCtrl(type, idc, ctrlCls);
    if (ctrl != nullptr)
    {
        int index = _controls.Add();
        ControlInObject& info = _controls[index];
        info._control = ctrl;
        info.x = ctrl->X();
        info.y = ctrl->Y();
        info.w = ctrl->W();
        info.h = ctrl->H();
        info.selection = ctrlCls >> "selection";
        info.posTL = _shape->MemoryPoint(info.selection + RString(" TL"));
        info.posTR = _shape->MemoryPoint(info.selection + RString(" TR"));
        info.posBL = _shape->MemoryPoint(info.selection + RString(" BL"));
        info.posBR = _shape->MemoryPoint(info.selection + RString(" BR"));
        // Compute screen rect now so a control mounted after the notebook's
        // initial SetPosition is visible immediately.  Without this the