+class WXDLLEXPORT wxGridCellAttr;
+class WXDLLEXPORT wxGridCellAttrProviderData;
+class WXDLLEXPORT wxGridColLabelWindow;
+class WXDLLEXPORT wxGridCornerLabelWindow;
+class WXDLLEXPORT wxGridRowLabelWindow;
+class WXDLLEXPORT wxGridTableBase;
+class WXDLLEXPORT wxGridWindow;
+
+// ----------------------------------------------------------------------------
+// wxGridCellRenderer: this class is responsible for actually drawing the cell
+// in the grid. You may pass it to the wxGridCellAttr (below) to change the
+// format of one given cell or to wxGrid::SetDefaultRenderer() to change the
+// view of all cells. This is an ABC, you will normally use one of the
+// predefined derived classes or derive oyur own class from it.
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxGridCellRenderer
+{
+public:
+ // draw the given cell on the provided DC inside the given rectangle
+ // using the style specified by the attribute and the default or selected
+ // state corresponding to the isSelected value.
+ //
+ // this pure virtual function has a default implementation which will
+ // prepare the DC using the given attribute: it will draw the rectangle
+ // with the bg colour from attr and set the text colour and font
+ virtual void Draw(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ const wxRect& rect,
+ int row, int col,
+ bool isSelected) = 0;
+};
+
+// the default renderer for the cells containing string data
+class WXDLLEXPORT wxGridCellStringRenderer : public wxGridCellRenderer
+{
+public:
+ // draw the string
+ virtual void Draw(wxGrid& grid,
+ wxGridCellAttr& attr,
+ wxDC& dc,
+ const wxRect& rect,
+ int row, int col,
+ bool isSelected);
+};
+
+
+// ----------------------------------------------------------------------------
+// wxGridCellEditor: This class is responsible for providing and manipulating
+// the in-place edit controls for the grid. Instances of wxGridCellEditor
+// (actually, instances of derived classes since it is an ABC) can be
+// associated with the cell attributes for individual cells, rows, columns, or
+// even for the entire grid.
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxGridCellEditor
+{
+public:
+ wxGridCellEditor();
+ virtual ~wxGridCellEditor();
+
+ bool IsCreated() { return m_control != NULL; }
+
+ // Creates the actual edit control
+ virtual void Create(wxWindow* parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ wxEvtHandler* evtHandler) = 0;
+
+ // Size and position the edit control
+ virtual void SetSize(const wxRect& rect);
+
+ // Show or hide the edit control
+ virtual void Show(bool show);
+
+ // Fetch the value from the table and prepare the edit control
+ // to begin editing. Set the focus to the edit control.
+ virtual void BeginEdit(int row, int col, wxGrid* grid,
+ wxGridCellAttr* attr) = 0;
+
+ // Complete the editing of the current cell. If saveValue is
+ // true then send the new value back to the table. Returns true
+ // if the value has changed. If necessary, the control may be
+ // destroyed.
+ virtual bool EndEdit(int row, int col, bool saveValue,
+ wxGrid* grid, wxGridCellAttr* attr) = 0;
+
+ // Reset the value in the control back to its starting value
+ virtual void Reset() = 0;
+
+ // Some types of controls on some platforms may need some help
+ // with the Return key.
+ virtual void HandleReturn(wxKeyEvent& event);
+
+ // Final cleanup
+ virtual void Destroy();
+
+protected:
+ wxControl* m_control;
+};
+
+
+class WXDLLEXPORT wxGridCellTextEditor : public wxGridCellEditor
+{
+public:
+ wxGridCellTextEditor();
+
+ virtual void Create(wxWindow* parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ wxEvtHandler* evtHandler);
+
+ virtual void BeginEdit(int row, int col, wxGrid* grid,
+ wxGridCellAttr* attr);
+
+ virtual bool EndEdit(int row, int col, bool saveValue,
+ wxGrid* grid, wxGridCellAttr* attr);
+
+ virtual void Reset();
+ virtual void HandleReturn(wxKeyEvent& event);
+
+
+private:
+ wxString m_startValue;
+};
+
+// ----------------------------------------------------------------------------
+// wxGridCellAttr: this class can be used to alter the cells appearance in
+// the grid by changing their colour/font/... from default. An object of this
+// class may be returned by wxGridTable::GetAttr().
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxGridCellAttr
+{
+public:
+ // ctors
+ wxGridCellAttr()
+ {
+ Init();
+ SetAlignment(0, 0);
+ }
+
+ wxGridCellAttr(const wxColour& colText,
+ const wxColour& colBack,
+ const wxFont& font,
+ int hAlign,
+ int vAlign)
+ : m_colText(colText), m_colBack(colBack), m_font(font)
+ {
+ Init();
+ SetAlignment(hAlign, vAlign);
+ }
+
+ // default copy ctor ok
+
+ // this class is ref counted: it is created with ref count of 1, so
+ // calling DecRef() once will delete it. Calling IncRef() allows to lock
+ // it until the matching DecRef() is called
+ void IncRef() { m_nRef++; }
+ void DecRef() { if ( !--m_nRef ) delete this; }
+ void SafeIncRef() { if ( this ) IncRef(); }
+ void SafeDecRef() { if ( this ) DecRef(); }
+
+ // setters
+ void SetTextColour(const wxColour& colText) { m_colText = colText; }
+ void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; }
+ void SetFont(const wxFont& font) { m_font = font; }
+ void SetAlignment(int hAlign, int vAlign)
+ {
+ m_hAlign = hAlign;
+ m_vAlign = vAlign;
+ }
+
+ // takes ownership of the pointer
+ void SetRenderer(wxGridCellRenderer *renderer)
+ { delete m_renderer; m_renderer = renderer; }
+
+ // accessors
+ bool HasTextColour() const { return m_colText.Ok(); }
+ bool HasBackgroundColour() const { return m_colBack.Ok(); }
+ bool HasFont() const { return m_font.Ok(); }
+ bool HasAlignment() const { return m_hAlign || m_vAlign; }
+ bool HasRenderer() const { return m_renderer != NULL; }
+
+ const wxColour& GetTextColour() const;
+ const wxColour& GetBackgroundColour() const;
+ const wxFont& GetFont() const;
+ void GetAlignment(int *hAlign, int *vAlign) const;
+ wxGridCellRenderer *GetRenderer() const;
+
+ void SetDefAttr(wxGridCellAttr* defAttr) { m_defGridAttr = defAttr; }
+
+private:
+ // the common part of all ctors
+ void Init() { m_nRef = 1; m_renderer = (wxGridCellRenderer *)NULL; }