| 51 | private: |
| 52 | template <typename T> |
| 53 | T* get(T*& member, const char* name) { |
| 54 | if (member == nullptr) { |
| 55 | member = findChild<T*>(name); |
| 56 | if (member == nullptr) |
| 57 | throw std::runtime_error("unable to find child: " + std::string(name)); |
| 58 | } |
| 59 | return member; |
| 60 | } |
| 61 | |
| 62 | inline QLineEdit* input() { |
| 63 | return get(input_, "input"); |