Build system changed to Cmake, ORM changed to QxORM, Qt6 compatibility.

shop/shopform.h

@@ -42,7 +42,7 @@ private slots:
 
     void on_payButton_clicked();
 
-    void on_showPaiedButton_clicked();
+    void on_showPaidButton_clicked();
 
     void on_btnAddItem_clicked();
 
@@ -61,19 +61,19 @@ private:
     Ui::ShopForm *ui;
     QSharedPointer<Voucher> m_voucher;
     AutoTableModel<VoucherItem> *m_itemsModel;
-    AutoTableModel<ShopItem> *m_commodityModel;
+    AutoTableModel<IShopItem> *m_commodityModel;
     bool m_itemFound;
     QScopedPointer<QMenu> m_itemCtxMenu;
 
     void loadLast();
     void loadButtons(const ShopSettingsPtr& settings);
-    void fillRaceiptCombo();
+    void fillReceiptCombo();
     void createVoucher();
     void doTempSave(bool comboChanged);
     void changeReceipt();
     void connectItemSignals();
     void createEmptyVoucher();
-    void addItem(QSharedPointer<IShopItem> item, int count);
+    void addItem(const QSharedPointer<IShopItem>& item, int count);
     void setTotalText();
     void recalculate();
     void updateItemCount(VoucherItem *item, int oldCount);