X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e0a050e347b1ece07ad5f165ba1b1d16edbeae77..4e15d1caa03346c126015019c1fdf093033ef40b:/src/generic/gridctrl.cpp

diff --git a/src/generic/gridctrl.cpp b/src/generic/gridctrl.cpp
index e8da62f564..65b7edd192 100644
--- a/src/generic/gridctrl.cpp
+++ b/src/generic/gridctrl.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////
-// Name:        generic/gridctrl.cpp
+// Name:        src/generic/gridctrl.cpp
 // Purpose:     wxGrid controls
 // Author:      Paul Gammans, Roger Gammans
 // Modified by:
@@ -18,14 +18,59 @@
 #if wxUSE_GRID
 
 #include "wx/generic/gridctrl.h"
+#include "wx/generic/grideditors.h"
 
 #ifndef WX_PRECOMP
     #include "wx/textctrl.h"
     #include "wx/dc.h"
     #include "wx/combobox.h"
+    #include "wx/settings.h"
+    #include "wx/log.h"
+    #include "wx/checkbox.h"
 #endif // WX_PRECOMP
 
 #include "wx/tokenzr.h"
+#include "wx/renderer.h"
+
+
+// ----------------------------------------------------------------------------
+// wxGridCellRenderer
+// ----------------------------------------------------------------------------
+
+void wxGridCellRenderer::Draw(wxGrid& grid,
+                              wxGridCellAttr& attr,
+                              wxDC& dc,
+                              const wxRect& rect,
+                              int WXUNUSED(row), int WXUNUSED(col),
+                              bool isSelected)
+{
+    dc.SetBackgroundMode( wxBRUSHSTYLE_SOLID );
+
+    wxColour clr;
+    if ( grid.IsThisEnabled() )
+    {
+        if ( isSelected )
+        {
+            if ( grid.HasFocus() )
+                clr = grid.GetSelectionBackground();
+            else
+                clr = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW);
+        }
+        else
+        {
+            clr = attr.GetBackgroundColour();
+        }
+    }
+    else // grey out fields if the grid is disabled
+    {
+        clr = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
+    }
+
+    dc.SetBrush(clr);
+    dc.SetPen( *wxTRANSPARENT_PEN );
+    dc.DrawRectangle(rect);
+}
+
 
 // ----------------------------------------------------------------------------
 // wxGridCellDateTimeRenderer
@@ -65,7 +110,8 @@ wxString wxGridCellDateTimeRenderer::GetString(const wxGrid& grid, int row, int
     {
         void * tempval = table->GetValueAsCustom(row, col,wxGRID_VALUE_DATETIME);
 
-        if (tempval){
+        if (tempval)
+        {
             val = *((wxDateTime *)tempval);
             hasDatetime = true;
             delete (wxDateTime *)tempval;
@@ -76,13 +122,14 @@ wxString wxGridCellDateTimeRenderer::GetString(const wxGrid& grid, int row, int
     if (!hasDatetime )
     {
         text = table->GetValue(row, col);
-        hasDatetime = (val.ParseFormat(text.c_str(), m_iformat, m_dateDef) != (wxChar *)NULL) ;
+        const char * const end = val.ParseFormat(text, m_iformat, m_dateDef);
+        hasDatetime = end && !*end;
     }
 
     if ( hasDatetime )
         text = val.Format(m_oformat, m_tz );
 
-    //If we faild to parse string just show what we where given?
+    // If we failed to parse string just show what we where given?
     return text;
 }
 
@@ -98,9 +145,9 @@ void wxGridCellDateTimeRenderer::Draw(wxGrid& grid,
     SetTextColoursAndFont(grid, attr, dc, isSelected);
 
     // draw the text right aligned by default
-    int hAlign, vAlign;
-    attr.GetAlignment(&hAlign, &vAlign);
-    hAlign = wxRIGHT;
+    int hAlign = wxALIGN_RIGHT,
+        vAlign = wxALIGN_INVALID;
+    attr.GetNonDefaultAlignment(&hAlign, &vAlign);
 
     wxRect rect = rectCell;
     rect.Inflate(-1);
@@ -125,7 +172,7 @@ void wxGridCellDateTimeRenderer::SetParameters(const wxString& params)
 #endif // wxUSE_DATETIME
 
 // ----------------------------------------------------------------------------
-// wxGridCellChoiceNumberRenderer
+// wxGridCellEnumRenderer
 // ----------------------------------------------------------------------------
 // Renders a number as a textual equivalent.
 // eg data in cell is 0,1,2 ... n the cell could be rendered as "John","Fred"..."Bob"
@@ -151,7 +198,7 @@ wxString wxGridCellEnumRenderer::GetString(const wxGrid& grid, int row, int col)
     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
     {
         int choiceno = table->GetValueAsLong(row, col);
-        text.Printf(_T("%s"), m_choices[ choiceno ].c_str() );
+        text.Printf(wxT("%s"), m_choices[ choiceno ].c_str() );
     }
     else
     {
@@ -175,9 +222,9 @@ void wxGridCellEnumRenderer::Draw(wxGrid& grid,
     SetTextColoursAndFont(grid, attr, dc, isSelected);
 
     // draw the text right aligned by default
-    int hAlign, vAlign;
-    attr.GetAlignment(&hAlign, &vAlign);
-    hAlign = wxRIGHT;
+    int hAlign = wxALIGN_RIGHT,
+        vAlign = wxALIGN_INVALID;
+    attr.GetNonDefaultAlignment(&hAlign, &vAlign);
 
     wxRect rect = rectCell;
     rect.Inflate(-1);
@@ -203,98 +250,18 @@ void wxGridCellEnumRenderer::SetParameters(const wxString& params)
 
     m_choices.Empty();
 
-    wxStringTokenizer tk(params, _T(','));
+    wxStringTokenizer tk(params, wxT(','));
     while ( tk.HasMoreTokens() )
     {
         m_choices.Add(tk.GetNextToken());
     }
 }
 
-#if wxUSE_COMBOBOX
 
 // ----------------------------------------------------------------------------
-// wxGridCellEnumEditor
+// wxGridCellAutoWrapStringRenderer
 // ----------------------------------------------------------------------------
 
-// A cell editor which displays an enum number as a textual equivalent. eg
-// data in cell is 0,1,2 ... n the cell could be displayed as
-// "John","Fred"..."Bob" in the combo choice box
-
-wxGridCellEnumEditor::wxGridCellEnumEditor(const wxString& choices)
-                     :wxGridCellChoiceEditor()
-{
-    m_startint = -1;
-
-    if (!choices.empty())
-        SetParameters(choices);
-}
-
-wxGridCellEditor *wxGridCellEnumEditor::Clone() const
-{
-    wxGridCellEnumEditor *editor = new wxGridCellEnumEditor();
-    editor->m_startint = m_startint;
-    return editor;
-}
-
-void wxGridCellEnumEditor::BeginEdit(int row, int col, wxGrid* grid)
-{
-    wxASSERT_MSG(m_control,
-                 wxT("The wxGridCellEnumEditor must be Created first!"));
-
-    wxGridTableBase *table = grid->GetTable();
-
-    if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
-    {
-        m_startint = table->GetValueAsLong(row, col);
-    }
-    else
-    {
-        wxString startValue = table->GetValue(row, col);
-        if (startValue.IsNumber() && !startValue.empty())
-        {
-            startValue.ToLong(&m_startint);
-        }
-        else
-        {
-            m_startint=-1;
-        }
-    }
-
-    Combo()->SetSelection(m_startint);
-    Combo()->SetInsertionPointEnd();
-    Combo()->SetFocus();
-
-}
-
-bool wxGridCellEnumEditor::EndEdit(int row, int col, wxGrid* grid)
-{
-    int pos = Combo()->GetSelection();
-    bool changed = (pos != m_startint);
-    if (changed)
-    {
-        if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER))
-            grid->GetTable()->SetValueAsLong(row, col, pos);
-        else
-            grid->GetTable()->SetValue(row, col,wxString::Format(wxT("%i"),pos));
-    }
-
-    return changed;
-}
-
-#endif // wxUSE_COMBOBOX
-
-// ----------------------------------------------------------------------------
-// wxGridCellAutoWrapStringEditor
-// ----------------------------------------------------------------------------
-
-void
-wxGridCellAutoWrapStringEditor::Create(wxWindow* parent,
-                                       wxWindowID id,
-                                       wxEvtHandler* evtHandler)
-{
-  wxGridCellTextEditor::DoCreate(parent, id, evtHandler,
-                                 wxTE_MULTILINE | wxTE_RICH);
-}
 
 void
 wxGridCellAutoWrapStringRenderer::Draw(wxGrid& grid,
@@ -338,24 +305,34 @@ wxGridCellAutoWrapStringRenderer::GetTextLines(wxGrid& grid,
     wxCoord max_x = rect.GetWidth();
 
     dc.SetFont(attr.GetFont());
-    wxStringTokenizer tk(data , _T(" \n\t\r"));
+    wxStringTokenizer tk(data , wxT(" \n\t\r"));
     wxString thisline = wxEmptyString;
 
     while ( tk.HasMoreTokens() )
     {
         wxString tok = tk.GetNextToken();
-        //FIXME: this causes us to print an extra unnecesary
+        //FIXME: this causes us to print an extra unnecessary
         //       space at the end of the line. But it
         //       is invisible , simplifies the size calculation
         //       and ensures tokens are separated in the display
-        tok += _T(" ");
+        tok += wxT(" ");
 
         dc.GetTextExtent(tok, &x, &y);
         if ( curr_x + x > max_x)
         {
-            lines.Add( wxString(thisline) );
-            thisline = tok;
-            curr_x=x;
+            if ( curr_x == 0 )
+            {
+                // this means that a single token is wider than the maximal
+                // width -- still use it as is as we need to show at least the
+                // part of it which fits
+                lines.Add(tok);
+            }
+            else
+            {
+                lines.Add(thisline);
+                thisline = tok;
+                curr_x = x;
+            }
         }
         else
         {
@@ -376,7 +353,10 @@ wxGridCellAutoWrapStringRenderer::GetBestSize(wxGrid& grid,
                                               wxDC& dc,
                                               int row, int col)
 {
-    wxCoord x,y, height , width = grid.GetColSize(col) -10;
+    wxCoord x,y, height , width = grid.GetColSize(col) -20;
+    // for width, subtract 20 because ColSize includes a magin of 10 pixels
+    // that we do not want here and because we always start with an increment
+    // by 10 in the loop below.
     int count = 250; //Limit iterations..
 
     wxRect rect(0,0,width,10);
@@ -397,5 +377,502 @@ wxGridCellAutoWrapStringRenderer::GetBestSize(wxGrid& grid,
     return wxSize(width,height);
 }
 
+
+// ----------------------------------------------------------------------------
+// wxGridCellStringRenderer
+// ----------------------------------------------------------------------------
+
+void wxGridCellStringRenderer::SetTextColoursAndFont(const wxGrid& grid,
+                                                     const wxGridCellAttr& attr,
+                                                     wxDC& dc,
+                                                     bool isSelected)
+{
+    dc.SetBackgroundMode( wxBRUSHSTYLE_TRANSPARENT );
+
+    // TODO some special colours for attr.IsReadOnly() case?
+
+    // different coloured text when the grid is disabled
+    if ( grid.IsThisEnabled() )
+    {
+        if ( isSelected )
+        {
+            wxColour clr;
+            if ( grid.HasFocus() )
+                clr = grid.GetSelectionBackground();
+            else
+                clr = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW);
+            dc.SetTextBackground( clr );
+            dc.SetTextForeground( grid.GetSelectionForeground() );
+        }
+        else
+        {
+            dc.SetTextBackground( attr.GetBackgroundColour() );
+            dc.SetTextForeground( attr.GetTextColour() );
+        }
+    }
+    else
+    {
+        dc.SetTextBackground(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
+        dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT));
+    }
+
+    dc.SetFont( attr.GetFont() );
+}
+
+wxSize wxGridCellStringRenderer::DoGetBestSize(const wxGridCellAttr& attr,
+                                               wxDC& dc,
+                                               const wxString& text)
+{
+    wxCoord x = 0, y = 0, max_x = 0;
+    dc.SetFont(attr.GetFont());
+    wxStringTokenizer tk(text, wxT('\n'));
+    while ( tk.HasMoreTokens() )
+    {
+        dc.GetTextExtent(tk.GetNextToken(), &x, &y);
+        max_x = wxMax(max_x, x);
+    }
+
+    y *= 1 + text.Freq(wxT('\n')); // multiply by the number of lines.
+
+    return wxSize(max_x, y);
+}
+
+wxSize wxGridCellStringRenderer::GetBestSize(wxGrid& grid,
+                                             wxGridCellAttr& attr,
+                                             wxDC& dc,
+                                             int row, int col)
+{
+    return DoGetBestSize(attr, dc, grid.GetCellValue(row, col));
+}
+
+void wxGridCellStringRenderer::Draw(wxGrid& grid,
+                                    wxGridCellAttr& attr,
+                                    wxDC& dc,
+                                    const wxRect& rectCell,
+                                    int row, int col,
+                                    bool isSelected)
+{
+    wxRect rect = rectCell;
+    rect.Inflate(-1);
+
+    // erase only this cells background, overflow cells should have been erased
+    wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
+
+    int hAlign, vAlign;
+    attr.GetAlignment(&hAlign, &vAlign);
+
+    int overflowCols = 0;
+
+    if (attr.GetOverflow())
+    {
+        int cols = grid.GetNumberCols();
+        int best_width = GetBestSize(grid,attr,dc,row,col).GetWidth();
+        int cell_rows, cell_cols;
+        attr.GetSize( &cell_rows, &cell_cols ); // shouldn't get here if <= 0
+        if ((best_width > rectCell.width) && (col < cols) && grid.GetTable())
+        {
+            int i, c_cols, c_rows;
+            for (i = col+cell_cols; i < cols; i++)
+            {
+                bool is_empty = true;
+                for (int j=row; j < row + cell_rows; j++)
+                {
+                    // check w/ anchor cell for multicell block
+                    grid.GetCellSize(j, i, &c_rows, &c_cols);
+                    if (c_rows > 0)
+                        c_rows = 0;
+                    if (!grid.GetTable()->IsEmptyCell(j + c_rows, i))
+                    {
+                        is_empty = false;
+                        break;
+                    }
+                }
+
+                if (is_empty)
+                {
+                    rect.width += grid.GetColSize(i);
+                }
+                else
+                {
+                    i--;
+                    break;
+                }
+
+                if (rect.width >= best_width)
+                    break;
+            }
+
+            overflowCols = i - col - cell_cols + 1;
+            if (overflowCols >= cols)
+                overflowCols = cols - 1;
+        }
+
+        if (overflowCols > 0) // redraw overflow cells w/ proper hilight
+        {
+            hAlign = wxALIGN_LEFT; // if oveflowed then it's left aligned
+            wxRect clip = rect;
+            clip.x += rectCell.width;
+            // draw each overflow cell individually
+            int col_end = col + cell_cols + overflowCols;
+            if (col_end >= grid.GetNumberCols())
+                col_end = grid.GetNumberCols() - 1;
+            for (int i = col + cell_cols; i <= col_end; i++)
+            {
+                clip.width = grid.GetColSize(i) - 1;
+                dc.DestroyClippingRegion();
+                dc.SetClippingRegion(clip);
+
+                SetTextColoursAndFont(grid, attr, dc,
+                        grid.IsInSelection(row,i));
+
+                grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
+                        rect, hAlign, vAlign);
+                clip.x += grid.GetColSize(i) - 1;
+            }
+
+            rect = rectCell;
+            rect.Inflate(-1);
+            rect.width++;
+            dc.DestroyClippingRegion();
+        }
+    }
+
+    // now we only have to draw the text
+    SetTextColoursAndFont(grid, attr, dc, isSelected);
+
+    grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
+                           rect, hAlign, vAlign);
+}
+
+// ----------------------------------------------------------------------------
+// wxGridCellNumberRenderer
+// ----------------------------------------------------------------------------
+
+wxString wxGridCellNumberRenderer::GetString(const wxGrid& grid, int row, int col)
+{
+    wxGridTableBase *table = grid.GetTable();
+    wxString text;
+    if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
+    {
+        text.Printf(wxT("%ld"), table->GetValueAsLong(row, col));
+    }
+    else
+    {
+        text = table->GetValue(row, col);
+    }
+
+    return text;
+}
+
+void wxGridCellNumberRenderer::Draw(wxGrid& grid,
+                                    wxGridCellAttr& attr,
+                                    wxDC& dc,
+                                    const wxRect& rectCell,
+                                    int row, int col,
+                                    bool isSelected)
+{
+    wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
+
+    SetTextColoursAndFont(grid, attr, dc, isSelected);
+
+    // draw the text right aligned by default
+    int hAlign = wxALIGN_RIGHT,
+        vAlign = wxALIGN_INVALID;
+    attr.GetNonDefaultAlignment(&hAlign, &vAlign);
+
+    wxRect rect = rectCell;
+    rect.Inflate(-1);
+
+    grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
+}
+
+wxSize wxGridCellNumberRenderer::GetBestSize(wxGrid& grid,
+                                             wxGridCellAttr& attr,
+                                             wxDC& dc,
+                                             int row, int col)
+{
+    return DoGetBestSize(attr, dc, GetString(grid, row, col));
+}
+
+// ----------------------------------------------------------------------------
+// wxGridCellFloatRenderer
+// ----------------------------------------------------------------------------
+
+wxGridCellFloatRenderer::wxGridCellFloatRenderer(int width,
+                                                 int precision,
+                                                 int format)
+{
+    SetWidth(width);
+    SetPrecision(precision);
+    SetFormat(format);
+}
+
+wxGridCellRenderer *wxGridCellFloatRenderer::Clone() const
+{
+    wxGridCellFloatRenderer *renderer = new wxGridCellFloatRenderer;
+    renderer->m_width = m_width;
+    renderer->m_precision = m_precision;
+    renderer->m_style = m_style;
+    renderer->m_format = m_format;
+
+    return renderer;
+}
+
+wxString wxGridCellFloatRenderer::GetString(const wxGrid& grid, int row, int col)
+{
+    wxGridTableBase *table = grid.GetTable();
+
+    bool hasDouble;
+    double val;
+    wxString text;
+    if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
+    {
+        val = table->GetValueAsDouble(row, col);
+        hasDouble = true;
+    }
+    else
+    {
+        text = table->GetValue(row, col);
+        hasDouble = text.ToDouble(&val);
+    }
+
+    if ( hasDouble )
+    {
+        if ( !m_format )
+        {
+            if ( m_width == -1 )
+            {
+                if ( m_precision == -1 )
+                {
+                    // default width/precision
+                    m_format = wxT("%");
+                }
+                else
+                {
+                    m_format.Printf(wxT("%%.%d"), m_precision);
+                }
+            }
+            else if ( m_precision == -1 )
+            {
+                // default precision
+                m_format.Printf(wxT("%%%d."), m_width);
+            }
+            else
+            {
+                m_format.Printf(wxT("%%%d.%d"), m_width, m_precision);
+            }
+
+            bool isUpper = ( ( m_style & wxGRID_FLOAT_FORMAT_UPPER ) == wxGRID_FLOAT_FORMAT_UPPER);
+            if ( ( m_style & wxGRID_FLOAT_FORMAT_SCIENTIFIC ) == wxGRID_FLOAT_FORMAT_SCIENTIFIC)
+                m_format += isUpper ? wxT('E') : wxT('e');
+            else if ( ( m_style & wxGRID_FLOAT_FORMAT_COMPACT ) == wxGRID_FLOAT_FORMAT_COMPACT)
+                m_format += isUpper ? wxT('G') : wxT('g');
+            else
+                m_format += wxT('f');
+        }
+
+        text.Printf(m_format, val);
+
+    }
+    //else: text already contains the string
+
+    return text;
+}
+
+void wxGridCellFloatRenderer::Draw(wxGrid& grid,
+                                   wxGridCellAttr& attr,
+                                   wxDC& dc,
+                                   const wxRect& rectCell,
+                                   int row, int col,
+                                   bool isSelected)
+{
+    wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
+
+    SetTextColoursAndFont(grid, attr, dc, isSelected);
+
+    // draw the text right aligned by default
+    int hAlign = wxALIGN_RIGHT,
+        vAlign = wxALIGN_INVALID;
+    attr.GetNonDefaultAlignment(&hAlign, &vAlign);
+
+    wxRect rect = rectCell;
+    rect.Inflate(-1);
+
+    grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
+}
+
+wxSize wxGridCellFloatRenderer::GetBestSize(wxGrid& grid,
+                                            wxGridCellAttr& attr,
+                                            wxDC& dc,
+                                            int row, int col)
+{
+    return DoGetBestSize(attr, dc, GetString(grid, row, col));
+}
+
+void wxGridCellFloatRenderer::SetParameters(const wxString& params)
+{
+    if ( !params )
+    {
+        // reset to defaults
+        SetWidth(-1);
+        SetPrecision(-1);
+        SetFormat(wxGRID_FLOAT_FORMAT_DEFAULT);
+    }
+    else
+    {
+        wxString rest;
+        wxString tmp = params.BeforeFirst(wxT(','), &rest);
+        if ( !tmp.empty() )
+        {
+            long width;
+            if ( tmp.ToLong(&width) )
+            {
+                SetWidth((int)width);
+            }
+            else
+            {
+                wxLogDebug(wxT("Invalid wxGridCellFloatRenderer width parameter string '%s ignored"), params.c_str());
+            }
+        }
+
+        tmp = rest.BeforeFirst(wxT(','));
+        if ( !tmp.empty() )
+        {
+            long precision;
+            if ( tmp.ToLong(&precision) )
+            {
+                SetPrecision((int)precision);
+            }
+            else
+            {
+                wxLogDebug(wxT("Invalid wxGridCellFloatRenderer precision parameter string '%s ignored"), params.c_str());
+            }
+        }
+
+        tmp = rest.AfterFirst(wxT(','));
+        if ( !tmp.empty() )
+        {
+            if ( tmp[0] == wxT('f') )
+            {
+                SetFormat(wxGRID_FLOAT_FORMAT_FIXED);
+            }
+            else if ( tmp[0] == wxT('e') )
+            {
+                SetFormat(wxGRID_FLOAT_FORMAT_SCIENTIFIC);
+            }
+            else if ( tmp[0] == wxT('g') )
+            {
+                SetFormat(wxGRID_FLOAT_FORMAT_COMPACT);
+            }
+            else if ( tmp[0] == wxT('E') )
+            {
+                SetFormat(wxGRID_FLOAT_FORMAT_SCIENTIFIC |
+                          wxGRID_FLOAT_FORMAT_UPPER);
+            }
+            else if ( tmp[0] == wxT('F') )
+            {
+                SetFormat(wxGRID_FLOAT_FORMAT_FIXED |
+                          wxGRID_FLOAT_FORMAT_UPPER);
+            }
+            else if ( tmp[0] == wxT('G') )
+            {
+                SetFormat(wxGRID_FLOAT_FORMAT_COMPACT |
+                          wxGRID_FLOAT_FORMAT_UPPER);
+            }
+            else
+            {
+                wxLogDebug("Invalid wxGridCellFloatRenderer format "
+                           "parameter string '%s ignored", params);
+            }
+        }
+    }
+}
+
+// ----------------------------------------------------------------------------
+// wxGridCellBoolRenderer
+// ----------------------------------------------------------------------------
+
+wxSize wxGridCellBoolRenderer::ms_sizeCheckMark;
+
+wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
+                                           wxGridCellAttr& WXUNUSED(attr),
+                                           wxDC& WXUNUSED(dc),
+                                           int WXUNUSED(row),
+                                           int WXUNUSED(col))
+{
+    // compute it only once (no locks for MT safeness in GUI thread...)
+    if ( !ms_sizeCheckMark.x )
+    {
+        ms_sizeCheckMark = wxRendererNative::Get().GetCheckBoxSize(&grid);
+    }
+
+    return ms_sizeCheckMark;
+}
+
+void wxGridCellBoolRenderer::Draw(wxGrid& grid,
+                                  wxGridCellAttr& attr,
+                                  wxDC& dc,
+                                  const wxRect& rect,
+                                  int row, int col,
+                                  bool isSelected)
+{
+    wxGridCellRenderer::Draw(grid, attr, dc, rect, row, col, isSelected);
+
+    // draw a check mark in the centre (ignoring alignment - TODO)
+    wxSize size = GetBestSize(grid, attr, dc, row, col);
+
+    // don't draw outside the cell
+    wxCoord minSize = wxMin(rect.width, rect.height);
+    if ( size.x >= minSize || size.y >= minSize )
+    {
+        // and even leave (at least) 1 pixel margin
+        size.x = size.y = minSize;
+    }
+
+    // draw a border around checkmark
+    int vAlign, hAlign;
+    attr.GetAlignment(&hAlign, &vAlign);
+
+    wxRect rectBorder;
+    if (hAlign == wxALIGN_CENTRE)
+    {
+        rectBorder.x = rect.x + rect.width / 2 - size.x / 2;
+        rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
+        rectBorder.width = size.x;
+        rectBorder.height = size.y;
+    }
+    else if (hAlign == wxALIGN_LEFT)
+    {
+        rectBorder.x = rect.x + 2;
+        rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
+        rectBorder.width = size.x;
+        rectBorder.height = size.y;
+    }
+    else if (hAlign == wxALIGN_RIGHT)
+    {
+        rectBorder.x = rect.x + rect.width - size.x - 2;
+        rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
+        rectBorder.width = size.x;
+        rectBorder.height = size.y;
+    }
+
+    bool value;
+    if ( grid.GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL) )
+    {
+        value = grid.GetTable()->GetValueAsBool(row, col);
+    }
+    else
+    {
+        wxString cellval( grid.GetTable()->GetValue(row, col) );
+        value = wxGridCellBoolEditor::IsTrueValue(cellval);
+    }
+
+    int flags = 0;
+    if (value)
+        flags |= wxCONTROL_CHECKED;
+
+    wxRendererNative::Get().DrawCheckBox( &grid, dc, rectBorder, flags );
+}
+
 #endif // wxUSE_GRID