www.pudn.com > chap03.rar > spreadsheet.h

#ifndef SPREADSHEET_H 
#define SPREADSHEET_H 
 
#include  
 
class Cell; 
class SpreadsheetCompare; 
 
class Spreadsheet : public QTableWidget 
{ 
    Q_OBJECT 
 
public: 
    Spreadsheet(QWidget *parent = 0); 
 
    bool autoRecalculate() const { return autoRecalc; } 
    QString currentLocation() const; 
    QString currentFormula() const; 
    QTableWidgetSelectionRange selectedRange() const; 
    void clear(); 
    bool readFile(const QString &fileName); 
    bool writeFile(const QString &fileName); 
    void sort(const SpreadsheetCompare &compare); 
 
public slots: 
    void cut(); 
    void copy(); 
    void paste(); 
    void del(); 
    void selectCurrentRow(); 
    void selectCurrentColumn(); 
    void recalculate(); 
    void setAutoRecalculate(bool recalc); 
    void findNext(const QString &str, Qt::CaseSensitivity cs); 
    void findPrevious(const QString &str, Qt::CaseSensitivity cs); 
 
signals: 
    void modified(); 
 
private slots: 
    void somethingChanged(); 
 
private: 
    enum { MagicNumber = 0x7F51C883, RowCount = 999, ColumnCount = 26 }; 
 
    Cell *cell(int row, int column) const; 
    QString text(int row, int column) const; 
    QString formula(int row, int column) const; 
    void setFormula(int row, int column, const QString &formula); 
 
    bool autoRecalc; 
}; 
 
class SpreadsheetCompare 
{ 
public: 
    bool operator()(const QStringList &row1, 
                    const QStringList &row2) const; 
 
    enum { KeyCount = 3 }; 
    int keys[KeyCount]; 
    bool ascending[KeyCount]; 
}; 
 
#endif