Sat, 08 Oct 2022 14:53:31 +0200
The same calculation for boil_size in a new product.
#include <QDateEdit> class NullDateEdit : public QDateEdit { Q_OBJECT Q_PROPERTY(QDate nullDate READ nullDate WRITE setDate USER true) public: NullDateEdit(const QDate& date, QWidget* parent); NullDateEdit(QWidget* parent); ~NullDateEdit(); QDate nullDate() const; public slots: void clear(); void setDate(const QDate& date); };