#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
wxGRID_ROW
};
+// Flags used with wxGrid::Render() to select parts of the grid to draw.
+enum wxGridRenderStyle
+{
+ wxGRID_DRAW_ROWS_HEADER = 0x001,
+ wxGRID_DRAW_COLS_HEADER = 0x002,
+ wxGRID_DRAW_CELL_LINES = 0x004,
+ wxGRID_DRAW_BOX_RECT = 0x008,
+ wxGRID_DRAW_SELECTION = 0x010,
+ wxGRID_DRAW_DEFAULT = wxGRID_DRAW_ROWS_HEADER |
+ wxGRID_DRAW_COLS_HEADER |
+ wxGRID_DRAW_CELL_LINES |
+ wxGRID_DRAW_BOX_RECT
+};
+
// ----------------------------------------------------------------------------
// forward declarations
// ----------------------------------------------------------------------------
// 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; }
void SetKind(wxAttrKind kind) { m_attrkind = kind; }
// 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 != -1 || m_vAlign != -1); }
+ bool HasTextColour() const { return m_colText.IsOk(); }
+ bool HasBackgroundColour() const { return m_colBack.IsOk(); }
+ bool HasFont() const { return m_font.IsOk(); }
+ 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 static_cast<int>(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;
+ // ------ grid render function for printing
+ //
+ void Render( wxDC& dc,
+ const wxPoint& pos = wxDefaultPosition,
+ const wxSize& size = wxDefaultSize,
+ const wxGridCellCoords& topLeft = wxGridCellCoords(-1, -1),
+ const wxGridCellCoords& bottomRight = wxGridCellCoords(-1, -1),
+ int style = wxGRID_DRAW_DEFAULT );
// Split a string containing newline characters into an array of
// strings and return the number of lines
void SetRowAttr(int row, wxGridCellAttr *attr);
void SetColAttr(int col, wxGridCellAttr *attr);
+ // the grid can cache attributes for the recently used cells (currently it
+ // only caches one attribute for the most recently used one) and might
+ // notice that its value in the attribute provider has changed -- if this
+ // happens, call this function to force it
+ void RefreshAttr(int row, int col);
+
// returns the attribute we may modify in place: a new one if this cell
// doesn't have any yet or the existing one if it does
//
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;
// ------ row and col sizes
void SetDefaultRowSize( int height, bool resizeExistingRows = false );
void SetRowSize( int row, int height );
- void HideRow(int row) { SetRowSize(row, 0); }
- void ShowRow(int row) { SetRowSize(row, -1); }
+ void HideRow(int row) { DoSetRowSize(row, 0); }
+ void ShowRow(int row) { DoSetRowSize(row, -1); }
void SetDefaultColSize( int width, bool resizeExistingCols = false );
void SetColSize( int col, int width );
- void HideCol(int col) { SetColSize(col, 0); }
- void ShowCol(int col) { SetColSize(col, -1); }
+ void HideCol(int col) { DoSetColSize(col, 0); }
+ void ShowCol(int col) { DoSetColSize(col, -1); }
// the row and column sizes can be also set all at once using
// wxGridSizesInfo which holds all of them at once
}
// Allow adjustment of scroll increment. The default is (15, 15).
- void SetScrollLineX(int x) { m_scrollLineX = x; }
- void SetScrollLineY(int y) { m_scrollLineY = y; }
- int GetScrollLineX() const { return m_scrollLineX; }
- int GetScrollLineY() const { return m_scrollLineY; }
+ void SetScrollLineX(int x) { m_xScrollPixelsPerLine = x; }
+ void SetScrollLineY(int y) { m_yScrollPixelsPerLine = y; }
+ int GetScrollLineX() const { return m_xScrollPixelsPerLine; }
+ int GetScrollLineY() const { return m_yScrollPixelsPerLine; }
// ------- drag and drop
#if wxUSE_DRAG_AND_DROP
// unset any existing sorting column
void UnsetSortingColumn() { SetSortingColumn(wxNOT_FOUND); }
-#ifdef WXWIN_COMPATIBILITY_2_8
+#if WXWIN_COMPATIBILITY_2_8
// ------ For compatibility with previous wxGrid only...
//
// ************************************************
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
bool m_editable; // applies to whole grid
bool m_cellEditCtrlEnabled; // is in-place edit currently shown?
- int m_scrollLineX; // X scroll increment
- int m_scrollLineY; // Y scroll increment
-
void Init(); // common part of all ctors
void Create();
void CreateColumnWindow();
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);
// redraw the grid lines, should be called after changing their attributes
void RedrawGridLines();
+ // draw all grid lines in the given cell region (unlike the public
+ // DrawAllGridLines() which just draws all of them)
+ void DrawRangeGridLines(wxDC& dc, const wxRegion& reg,
+ const wxGridCellCoords& topLeft,
+ const wxGridCellCoords& bottomRight);
+
+ // draw all lines from top to bottom row and left to right column in the
+ // rectangle determined by (top, left)-(bottom, right) -- but notice that
+ // the caller must have set up the clipping correctly, this rectangle is
+ // only used here for optimization
+ void DoDrawGridLines(wxDC& dc,
+ int top, int left,
+ int bottom, int right,
+ int topRow, int leftCol,
+ int bottomRight, int rightCol);
+
// common part of Clip{Horz,Vert}GridLines
void DoClipGridLines(bool& var, bool clip);
// --------------------------------
// process mouse drag event in WXGRID_CURSOR_SELECT_CELL mode
- void DoGridCellDrag(wxMouseEvent& event,
+ bool DoGridCellDrag(wxMouseEvent& event,
const wxGridCellCoords& coords,
bool isFirstDrag);
void DoDisableLineResize(int line, wxGridFixedIndicesSet *& setFixed);
bool DoCanResizeLine(int line, const wxGridFixedIndicesSet *setFixed) const;
+ // Helper of Render(): get grid size, origin offset and fill cell arrays
+ void GetRenderSizes( const wxGridCellCoords& topLeft,
+ const wxGridCellCoords& bottomRight,
+ wxPoint& pointOffSet, wxSize& sizeGrid,
+ wxGridCellCoordsArray& renderCells,
+ wxArrayInt& arrayCols, wxArrayInt& arrayRows );
+
+ // Helper of Render(): set the scale to draw the cells at the right size.
+ void SetRenderScale( wxDC& dc, const wxPoint& pos, const wxSize& size,
+ const wxSize& sizeGrid );
+
+ // Helper of Render(): get render start position from passed parameter
+ wxPoint GetRenderPosition( wxDC& dc, const wxPoint& position );
+
+ // Helper of Render(): draws a box around the rendered area
+ void DoRenderBox( wxDC& dc, const int& style,
+ const wxPoint& pointOffSet,
+ const wxSize& sizeCellArea,
+ const wxGridCellCoords& topLeft,
+ const wxGridCellCoords& bottomRight );
+
+ // Implementation of public Set{Row,Col}Size() and {Hide,Show}{Row,Col}().
+ // They interpret their height or width parameter slightly different from
+ // the public methods where -1 in it means "auto fit to the label" for the
+ // compatibility reasons. Here it means "show a previously hidden row or
+ // column" while 0 means "hide it" just as in the public methods. And any
+ // positive values are handled naturally, i.e. they just specify the size.
+ void DoSetRowSize( int row, int height );
+ void DoSetColSize( int col, int width );
// these sets contain the indices of fixed, i.e. non-resizable
// 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);
}
extern const int wxEVT_GRID_CHANGE_LABELS;
extern const int wxEVT_GRID_CHANGE_SEL_LABEL;
-#define EVT_GRID_CREATE_CELL(fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_GRID_CREATE_CELL, wxID_ANY, wxID_ANY, (wxObjectEventFunction) (wxEventFunction) wxStaticCastEvent( wxGridEventFunction, &fn ), NULL ),
-#define EVT_GRID_CHANGE_LABELS(fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_GRID_CHANGE_LABELS, wxID_ANY, wxID_ANY, (wxObjectEventFunction) (wxEventFunction) wxStaticCastEvent( wxGridEventFunction, &fn ), NULL ),
-#define EVT_GRID_CHANGE_SEL_LABEL(fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_GRID_CHANGE_SEL_LABEL, wxID_ANY, wxID_ANY, (wxObjectEventFunction) (wxEventFunction) wxStaticCastEvent( wxGridEventFunction, &fn ), NULL ),
+#define EVT_GRID_CREATE_CELL(fn) wxDECLARE_EVENT_TABLE_ENTRY( wxEVT_GRID_CREATE_CELL, wxID_ANY, wxID_ANY, (wxObjectEventFunction) (wxEventFunction) wxStaticCastEvent( wxGridEventFunction, &fn ), NULL ),
+#define EVT_GRID_CHANGE_LABELS(fn) wxDECLARE_EVENT_TABLE_ENTRY( wxEVT_GRID_CHANGE_LABELS, wxID_ANY, wxID_ANY, (wxObjectEventFunction) (wxEventFunction) wxStaticCastEvent( wxGridEventFunction, &fn ), NULL ),
+#define EVT_GRID_CHANGE_SEL_LABEL(fn) wxDECLARE_EVENT_TABLE_ENTRY( wxEVT_GRID_CHANGE_SEL_LABEL, wxID_ANY, wxID_ANY, (wxObjectEventFunction) (wxEventFunction) wxStaticCastEvent( wxGridEventFunction, &fn ), NULL ),
#endif
projects / wxWidgets.git / blobdiff