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    41 

    42 #ifndef Q3GRIDVIEW_H

    43 #define Q3GRIDVIEW_H

    44 

    45 #include <Qt3Support/q3scrollview.h>

    46 

    47 QT_BEGIN_HEADER

    48 

    49 QT_BEGIN_NAMESPACE

    50 

    51 QT_MODULE(Qt3SupportLight)

    52 

    53 class Q3GridViewPrivate;

    54 

    55 class Q_COMPAT_EXPORT Q3GridView : public Q3ScrollView

    56 {

    57     Q_OBJECT

    58     Q_PROPERTY(int numRows READ numRows WRITE setNumRows)

    59     Q_PROPERTY(int numCols READ numCols WRITE setNumCols)

    60     Q_PROPERTY(int cellWidth READ cellWidth WRITE setCellWidth)

    61     Q_PROPERTY(int cellHeight READ cellHeight WRITE setCellHeight)

    62 public:

    63 

    64     Q3GridView(QWidget *parent=0, const char *name=0, Qt::WindowFlags f=0);

    65    ~Q3GridView();

    66 

    67     int numRows() const;

    68     virtual void setNumRows(int);

    69     int numCols() const;

    70     virtual void setNumCols(int);

    71 

    72     int cellWidth() const;

    73     virtual void setCellWidth(int);

    74     int cellHeight() const;

    75     virtual void setCellHeight(int);

    76 

    77     QRect cellRect() const;

    78     QRect cellGeometry(int row, int column);

    79     QSize gridSize() const;

    80 

    81     int rowAt(int y) const;

    82     int columnAt(int x) const;

    83 

    84     void repaintCell(int row, int column, bool erase=true);

    85     void updateCell(int row, int column);

    86     void ensureCellVisible(int row, int column);

    87 

    88 protected:

    89     virtual void paintCell(QPainter *, int row, int col) = 0;

    90     virtual void paintEmptyArea(QPainter *p, int cx, int cy, int cw, int ch);

    91 

    92     void drawContents(QPainter *p, int cx, int cy, int cw, int ch);

    93 

    94     virtual void dimensionChange(int, int);

    95 

    96 private:

    97     void drawContents(QPainter*);

    98     void updateGrid();

    99 

   100     int nrows;

   101     int ncols;

   102     int cellw;

   103     int cellh;

   104     Q3GridViewPrivate* d;

   105 

   106     Q_DISABLE_COPY(Q3GridView)

   107 };

   108 

   109 inline int Q3GridView::cellWidth() const

   110 { return cellw; }

   111 

   112 inline int Q3GridView::cellHeight() const

   113 { return cellh; }

   114 

   115 inline int Q3GridView::rowAt(int y) const

   116 { return y / cellh; }

   117 

   118 inline int Q3GridView::columnAt(int x) const

   119 { return x / cellw; }

   120 

   121 inline int Q3GridView::numRows() const

   122 { return nrows; }

   123 

   124 inline int Q3GridView::numCols() const

   125 {return ncols; }

   126 

   127 inline QRect Q3GridView::cellRect() const

   128 { return QRect(0, 0, cellw, cellh); }

   129 

   130 inline QSize Q3GridView::gridSize() const

   131 { return QSize(ncols * cellw, nrows * cellh); }

   132 

   133 QT_END_NAMESPACE

   134 

   135 QT_END_HEADER

   136 

   137 #endif // Q3GRIDVIEW_H