ACE3/addons/ui/CfgInGameUI.hpp

class CfgInGameUI {
    class DefaultAction {
        size = QUOTE(profileNamespace getVariable [ARR_2('GVAR(hideDefaultActionIcon)',(((((safezoneW / safezoneH) min 1.2) / 1.2) / 25) * 0.8))]);
    };
};