#define WXGRID_DEFAULT_SCROLLBAR_WIDTH 16
// type names for grid table values
-#define wxGRID_VALUE_STRING _T("string")
-#define wxGRID_VALUE_BOOL _T("bool")
-#define wxGRID_VALUE_NUMBER _T("long")
-#define wxGRID_VALUE_FLOAT _T("double")
-#define wxGRID_VALUE_CHOICE _T("choice")
+#define wxGRID_VALUE_STRING wxT("string")
+#define wxGRID_VALUE_BOOL wxT("bool")
+#define wxGRID_VALUE_NUMBER wxT("long")
+#define wxGRID_VALUE_FLOAT wxT("double")
+#define wxGRID_VALUE_CHOICE wxT("choice")
#define wxGRID_VALUE_TEXT wxGRID_VALUE_STRING
#define wxGRID_VALUE_LONG wxGRID_VALUE_NUMBER
// class is not documented and is not public at all
// ----------------------------------------------------------------------------
-class WXDLLIMPEXP_ADV wxGridCellWorker : public wxClientDataContainer
+class WXDLLIMPEXP_ADV wxGridCellWorker : public wxClientDataContainer, public wxRefCounter
{
public:
- wxGridCellWorker() { m_nRef = 1; }
-
- // 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 == 0 ) delete this; }
+ wxGridCellWorker() { }
// interpret renderer parameters: arbitrary string whose interpretatin is
// left to the derived classes
virtual ~wxGridCellWorker();
private:
- size_t m_nRef;
-
// suppress the stupid gcc warning about the class having private dtor and
// no friends
friend class wxGridCellWorkerDummyFriend;
wxDECLARE_NO_COPY_CLASS(wxGridCellEditor);
};
+// ----------------------------------------------------------------------------
+// wxGridHeaderRenderer and company: like wxGridCellRenderer but for headers
+// ----------------------------------------------------------------------------
+
+// Base class for corner window renderer: it is the simplest of all renderers
+// and only has a single function
+class WXDLLIMPEXP_ADV wxGridCornerHeaderRenderer
+{
+public:
+ // Draw the border around the corner window.
+ virtual void DrawBorder(const wxGrid& grid,
+ wxDC& dc,
+ wxRect& rect) const = 0;
+
+ // make the dtor of a class with virtual functions virtual to avoid g++
+ // warnings, even though this class is not supposed to be used
+ // polymorphically
+ virtual ~wxGridCornerHeaderRenderer() { }
+};
+
+
+// Base class for the row/column header cells renderers
+class WXDLLIMPEXP_ADV wxGridHeaderLabelsRenderer
+ : public wxGridCornerHeaderRenderer
+{
+public:
+ // Draw header cell label
+ virtual void DrawLabel(const wxGrid& grid,
+ wxDC& dc,
+ const wxString& value,
+ const wxRect& rect,
+ int horizAlign,
+ int vertAlign,
+ int textOrientation) const;
+};
+
+// Currently the row/column/corner renders don't need any methods other than
+// those already in wxGridHeaderLabelsRenderer but still define separate classes
+// for them for future extensions and also for better type safety (i.e. to
+// avoid inadvertently using a column header renderer for the row headers)
+class WXDLLIMPEXP_ADV wxGridRowHeaderRenderer
+ : public wxGridHeaderLabelsRenderer
+{
+};
+
+class WXDLLIMPEXP_ADV wxGridColumnHeaderRenderer
+ : public wxGridHeaderLabelsRenderer
+{
+};
+
+// Also define the default renderers which are used by wxGridCellAttrProvider
+// by default
+class WXDLLIMPEXP_ADV wxGridRowHeaderRendererDefault
+ : public wxGridRowHeaderRenderer
+{
+public:
+ virtual void DrawBorder(const wxGrid& grid,
+ wxDC& dc,
+ wxRect& rect) const;
+};
+
+// Column header cells renderers
+class WXDLLIMPEXP_ADV wxGridColumnHeaderRendererDefault
+ : public wxGridColumnHeaderRenderer
+{
+public:
+ virtual void DrawBorder(const wxGrid& grid,
+ wxDC& dc,
+ wxRect& rect) const;
+};
+
+// Header corner renderer
+class WXDLLIMPEXP_ADV wxGridCornerHeaderRendererDefault
+ : public wxGridCornerHeaderRenderer
+{
+public:
+ virtual void DrawBorder(const wxGrid& grid,
+ wxDC& dc,
+ wxRect& rect) const;
+};
+
// ----------------------------------------------------------------------------
// wxGridCellAttr: this class can be used to alter the cells appearance in
// class may be returned by wxGridTable::GetAttr().
// ----------------------------------------------------------------------------
-class WXDLLIMPEXP_ADV wxGridCellAttr : public wxClientDataContainer
+class WXDLLIMPEXP_ADV wxGridCellAttr : public wxClientDataContainer, public wxRefCounter
{
public:
enum wxAttrKind
{
Init(attrDefault);
- // MB: args used to be 0,0 here but wxALIGN_LEFT is 0
- SetAlignment(-1, -1);
+ SetAlignment(wxALIGN_INVALID, wxALIGN_INVALID);
}
// VZ: considering the number of members wxGridCellAttr has now, this ctor
wxGridCellAttr *Clone() const;
void MergeWith(wxGridCellAttr *mergefrom);
- // 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 == 0 ) delete this; }
-
// setters
void SetTextColour(const wxColour& colText) { m_colText = colText; }
void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; }
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 != -1 || m_vAlign != -1); }
+ bool HasAlignment() const
+ {
+ return m_hAlign != wxALIGN_INVALID || m_vAlign != wxALIGN_INVALID;
+ }
bool HasRenderer() const { return m_renderer != NULL; }
bool HasEditor() const { return m_editor != NULL; }
bool HasReadWriteMode() const { return m_isReadOnly != Unset; }
const wxColour& GetBackgroundColour() const;
const wxFont& GetFont() const;
void GetAlignment(int *hAlign, int *vAlign) const;
+
+ // unlike GetAlignment() which always overwrites its output arguments with
+ // the alignment values to use, falling back on default alignment if this
+ // attribute doesn't have any, this function will preserve the values of
+ // parameters on entry if the corresponding alignment is not set in this
+ // attribute meaning that they can be initialized to default alignment (and
+ // also that they must be initialized, unlike with GetAlignment())
+ void GetNonDefaultAlignment(int *hAlign, int *vAlign) const;
+
void GetSize(int *num_rows, int *num_cols) const;
bool GetOverflow() const
{ return m_overflow != SingleCell; }
void Init(wxGridCellAttr *attrDefault = NULL);
- // the ref count - when it goes to 0, we die
- size_t m_nRef;
-
wxColour m_colText,
m_colBack;
wxFont m_font;
void UpdateAttrRows( size_t pos, int numRows );
void UpdateAttrCols( size_t pos, int numCols );
+
+ // get renderers for the given row/column header label and the corner
+ // window: unlike cell renderers, these objects are not reference counted
+ // and are never NULL so they are returned by reference
+ virtual const wxGridColumnHeaderRenderer& GetColumnHeaderRenderer(int col);
+ virtual const wxGridRowHeaderRenderer& GetRowHeaderRenderer(int row);
+ virtual const wxGridCornerHeaderRenderer& GetCornerRenderer();
+
private:
void InitData();
public:
wxGridStringTable();
wxGridStringTable( int numRows, int numCols );
- virtual ~wxGridStringTable();
// these are pure virtual in wxGridTableBase
//
- int GetNumberRows();
- int GetNumberCols();
- wxString GetValue( int row, int col );
- void SetValue( int row, int col, const wxString& s );
+ virtual int GetNumberRows() { return m_data.size(); }
+ virtual int GetNumberCols() { return m_numCols; }
+ virtual wxString GetValue( int row, int col );
+ virtual void SetValue( int row, int col, const wxString& s );
// overridden functions from wxGridTableBase
//
private:
wxGridStringArray m_data;
+ // notice that while we don't need to store the number of our rows as it's
+ // always equal to the size of m_data array, we do need to store the number
+ // of our columns as we can't retrieve it from m_data when the number of
+ // rows is 0 (see #10818)
+ int m_numCols;
+
// These only get used if you set your own labels, otherwise the
// GetRow/ColLabelValue functions return wxGridTableBase defaults
//
void DrawTextRectangle( wxDC& dc, const wxString&, const wxRect&,
int horizontalAlignment = wxALIGN_LEFT,
int verticalAlignment = wxALIGN_TOP,
- int textOrientation = wxHORIZONTAL );
+ int textOrientation = wxHORIZONTAL ) const;
void DrawTextRectangle( wxDC& dc, const wxArrayString& lines, const wxRect&,
int horizontalAlignment = wxALIGN_LEFT,
int verticalAlignment = wxALIGN_TOP,
- int textOrientation = wxHORIZONTAL );
+ int textOrientation = wxHORIZONTAL ) const;
// Split a string containing newline characters into an array of
void GetCellAlignment( int row, int col, int *horiz, int *vert ) const;
bool GetDefaultCellOverflow() const;
bool GetCellOverflow( int row, int col ) const;
- void GetCellSize( int row, int col, int *num_rows, int *num_cols ) const;
+
+ // this function returns 1 in num_rows and num_cols for normal cells,
+ // positive numbers for a cell spanning multiple columns/rows (as set with
+ // SetCellSize()) and _negative_ numbers corresponding to the offset of the
+ // top left cell of the span from this one for the other cells covered by
+ // this cell
+ //
+ // the return value is CellSpan_None, CellSpan_Main or CellSpan_Inside for
+ // each of these cases respectively
+ enum CellSpan
+ {
+ CellSpan_Inside = -1,
+ CellSpan_None = 0,
+ CellSpan_Main
+ };
+
+ CellSpan GetCellSize( int row, int col, int *num_rows, int *num_cols ) const;
+
wxSize GetCellSize(const wxGridCellCoords& coords)
{
wxSize s;
void SetLabelAlignment( int orientation, int align )
{
if ( orientation == wxHORIZONTAL )
- SetColLabelAlignment( align, -1 );
+ SetColLabelAlignment( align, wxALIGN_INVALID );
else
- SetRowLabelAlignment( align, -1 );
+ SetRowLabelAlignment( align, wxALIGN_INVALID );
}
int GetLabelAlignment( int orientation, int WXUNUSED(align) ) const
friend class wxGridColLabelWindow;
friend class wxGridRowLabelWindow;
friend class wxGridWindow;
+ friend class wxGridHeaderRenderer;
friend class wxGridHeaderCtrl;
private:
+
// implement wxScrolledWindow method to return m_gridWin size
virtual wxSize GetSizeAvailableForScrollTarget(const wxSize& size);
// more than once
void Create(wxGrid *grid)
{
- wxASSERT_MSG( !m_grid, _T("shouldn't be called more than once") );
+ wxASSERT_MSG( !m_grid, wxT("shouldn't be called more than once") );
Init(grid);
}
projects / wxWidgets.git / blobdiff