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[wxWidgets.git] / src / generic / grid.cpp

diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
index 43e4e40dc28a2a8775fe496ed5ced1bd658d87f5..74de24b9f7a24a16e21e8955aab49ef780ae27eb 100644 (file)
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "grid.h"
 #endif
 
     #pragma implementation "grid.h"
 #endif
 


@@ -41,6 +41,7 @@
     #include "wx/checkbox.h"
     #include "wx/combobox.h"
     #include "wx/valtext.h"
     #include "wx/checkbox.h"
     #include "wx/combobox.h"
     #include "wx/valtext.h"

+    #include "wx/intl.h"

 #endif
 
 #include "wx/textfile.h"
 #endif
 
 #include "wx/textfile.h"


@@ -69,7 +70,7 @@
 // array classes
 // ----------------------------------------------------------------------------
 
 // array classes
 // ----------------------------------------------------------------------------
 

-WX_DEFINE_ARRAY_WITH_DECL_NO_PTR(wxGridCellAttr *, wxArrayAttrs,
+WX_DEFINE_ARRAY_WITH_DECL_PTR(wxGridCellAttr *, wxArrayAttrs,

                                  class WXDLLIMPEXP_ADV);
 
 struct wxGridCellWithAttr
                                  class WXDLLIMPEXP_ADV);
 
 struct wxGridCellWithAttr


@@ -221,7 +222,7 @@ private:
     void OnKeyDown( wxKeyEvent& );
     void OnKeyUp( wxKeyEvent& );
     void OnEraseBackground( wxEraseEvent& );
     void OnKeyDown( wxKeyEvent& );
     void OnKeyUp( wxKeyEvent& );
     void OnEraseBackground( wxEraseEvent& );

-
+    void OnFocus( wxFocusEvent& );

 
     DECLARE_DYNAMIC_CLASS(wxGridWindow)
     DECLARE_EVENT_TABLE()
 
     DECLARE_DYNAMIC_CLASS(wxGridWindow)
     DECLARE_EVENT_TABLE()


@@ -334,7 +335,7 @@ struct wxGridDataTypeInfo
 };
 
 
 };
 
 

-WX_DEFINE_ARRAY_WITH_DECL_NO_PTR(wxGridDataTypeInfo*, wxGridDataTypeInfoArray,
+WX_DEFINE_ARRAY_WITH_DECL_PTR(wxGridDataTypeInfo*, wxGridDataTypeInfoArray,

                                  class WXDLLIMPEXP_ADV);
 
 
                                  class WXDLLIMPEXP_ADV);
 
 


@@ -573,8 +574,7 @@ void wxGridCellTextEditor::Create(wxWindow* parent,
     m_control = new wxTextCtrl(parent, id, wxEmptyString,
                                wxDefaultPosition, wxDefaultSize
 #if defined(__WXMSW__)
     m_control = new wxTextCtrl(parent, id, wxEmptyString,
                                wxDefaultPosition, wxDefaultSize
 #if defined(__WXMSW__)

-                               , wxTE_PROCESS_TAB | wxTE_MULTILINE |
-                                 wxTE_NO_VSCROLL | wxTE_AUTO_SCROLL
+                               , wxTE_PROCESS_TAB | wxTE_AUTO_SCROLL

 #endif
                               );
 
 #endif
                               );
 


@@ -669,7 +669,8 @@ bool wxGridCellTextEditor::EndEdit(int row, int col,
         grid->GetTable()->SetValue(row, col, value);
 
     m_startValue = wxEmptyString;
         grid->GetTable()->SetValue(row, col, value);
 
     m_startValue = wxEmptyString;

-    Text()->SetValue(m_startValue);
+    // No point in setting the text of the hidden control
+    //Text()->SetValue(m_startValue);

 
     return changed;
 }
 
     return changed;
 }


@@ -1067,7 +1068,13 @@ void wxGridCellFloatEditor::Reset()
 void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
 {
     int keycode = event.GetKeyCode();
 void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
 {
     int keycode = event.GetKeyCode();

-        if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-' || keycode == '.'
+    char tmpbuf[2];
+    tmpbuf[0] = (char) keycode;
+    tmpbuf[1] = '\0';
+    bool is_decimal_point = ( wxString(tmpbuf, *wxConvCurrent) == 
+      wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER) );
+        if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-'
+            || is_decimal_point

             || keycode ==  WXK_NUMPAD0
             || keycode ==  WXK_NUMPAD1
             || keycode ==  WXK_NUMPAD2
             || keycode ==  WXK_NUMPAD0
             || keycode ==  WXK_NUMPAD1
             || keycode ==  WXK_NUMPAD2


@@ -1166,11 +1173,21 @@ bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
             case WXK_NUMPAD_DECIMAL:
                 return TRUE;
 
             case WXK_NUMPAD_DECIMAL:
                 return TRUE;
 

-            default:
-                // additionally accept 'e' as in '1e+6'
+            default: 
+            {
+               // additionally accept 'e' as in '1e+6', also '-', '+', and '.'
+                char tmpbuf[2];
+                tmpbuf[0] = (char) keycode;
+                tmpbuf[1] = '\0';
+                bool is_decimal_point =
+                  ( wxString(tmpbuf, *wxConvCurrent) == 
+                    wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT,
+                                      wxLOCALE_CAT_NUMBER) );

                 if ( (keycode < 128) &&
                 if ( (keycode < 128) &&

-                     (wxIsdigit(keycode) || tolower(keycode) == 'e') )
+                     (wxIsdigit(keycode) || tolower(keycode) == 'e' ||
+                      is_decimal_point || keycode == '+' || keycode == '-') )

                     return TRUE;
                     return TRUE;

+            }

         }
     }
 
         }
     }
 


@@ -1365,6 +1382,11 @@ wxString wxGridCellBoolEditor::GetValue() const
 // wxGridCellChoiceEditor
 // ----------------------------------------------------------------------------
 
 // wxGridCellChoiceEditor
 // ----------------------------------------------------------------------------
 

+wxGridCellChoiceEditor::wxGridCellChoiceEditor(const wxArrayString& choices,
+                                               bool allowOthers)
+    : m_choices(choices),
+      m_allowOthers(allowOthers) { }
+

 wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
                                                const wxString choices[],
                                                bool allowOthers)
 wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
                                                const wxString choices[],
                                                bool allowOthers)


@@ -1393,20 +1415,11 @@ void wxGridCellChoiceEditor::Create(wxWindow* parent,
                                     wxWindowID id,
                                     wxEvtHandler* evtHandler)
 {
                                     wxWindowID id,
                                     wxEvtHandler* evtHandler)
 {

-    size_t count = m_choices.GetCount();
-    wxString *choices = new wxString[count];
-    for ( size_t n = 0; n < count; n++ )
-    {
-        choices[n] = m_choices[n];
-    }
-

     m_control = new wxComboBox(parent, id, wxEmptyString,
                                wxDefaultPosition, wxDefaultSize,
     m_control = new wxComboBox(parent, id, wxEmptyString,
                                wxDefaultPosition, wxDefaultSize,

-                               count, choices,
+                               m_choices,

                                m_allowOthers ? 0 : wxCB_READONLY);
 
                                m_allowOthers ? 0 : wxCB_READONLY);
 

-    delete [] choices;
-

     wxGridCellEditor::Create(parent, id, evtHandler);
 }
 
     wxGridCellEditor::Create(parent, id, evtHandler);
 }
 


@@ -1957,10 +1970,9 @@ wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
     if ( !ms_sizeCheckMark.x )
     {
         // get checkbox size
     if ( !ms_sizeCheckMark.x )
     {
         // get checkbox size

-        wxCoord checkSize = 0;

         wxCheckBox *checkbox = new wxCheckBox(&grid, -1, wxEmptyString);
         wxSize size = checkbox->GetBestSize();
         wxCheckBox *checkbox = new wxCheckBox(&grid, -1, wxEmptyString);
         wxSize size = checkbox->GetBestSize();

-        checkSize = size.y + 2*wxGRID_CHECKMARK_MARGIN;
+        wxCoord checkSize = size.y + 2*wxGRID_CHECKMARK_MARGIN;

 
         // FIXME wxGTK::wxCheckBox::GetBestSize() gives "wrong" result
 #if defined(__WXGTK__) || defined(__WXMOTIF__)
 
         // FIXME wxGTK::wxCheckBox::GetBestSize() gives "wrong" result
 #if defined(__WXGTK__) || defined(__WXMOTIF__)


@@ -2580,13 +2592,9 @@ wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col,
                 {
                     //Basicaly implement old version.
                     //Also check merge cache, so we don't have to re-merge every time..
                 {
                     //Basicaly implement old version.
                     //Also check merge cache, so we don't have to re-merge every time..

-                    wxGridCellAttr *attrcell = (wxGridCellAttr *)NULL,
-                                   *attrrow = (wxGridCellAttr *)NULL,
-                                   *attrcol = (wxGridCellAttr *)NULL;
-
-                    attrcell = m_data->m_cellAttrs.GetAttr(row, col);
-                    attrcol = m_data->m_colAttrs.GetAttr(col);
-                    attrrow = m_data->m_rowAttrs.GetAttr(row);
+                    wxGridCellAttr *attrcell = m_data->m_cellAttrs.GetAttr(row, col);
+                    wxGridCellAttr *attrrow = m_data->m_rowAttrs.GetAttr(row);
+                    wxGridCellAttr *attrcol = m_data->m_colAttrs.GetAttr(col);

 
                     if((attrcell != attrrow) && (attrrow !=attrcol) && (attrcell != attrcol)){
                         // Two or move are non NULL
 
                     if((attrcell != attrrow) && (attrrow !=attrcol) && (attrcell != attrcol)){
                         // Two or move are non NULL


@@ -2992,7 +3000,7 @@ wxString wxGridTableBase::GetColLabelValue( int col )
     unsigned int i, n;
     for ( n = 1; ; n++ )
     {
     unsigned int i, n;
     for ( n = 1; ; n++ )
     {

-        s += (_T('A') + (wxChar)( col%26 ));
+        s += (wxChar) (_T('A') + (wxChar)( col%26 ));

         col = col/26 - 1;
         if ( col < 0 ) break;
     }
         col = col/26 - 1;
         if ( col < 0 ) break;
     }


@@ -3138,23 +3146,25 @@ int wxGridStringTable::GetNumberCols()
 
 wxString wxGridStringTable::GetValue( int row, int col )
 {
 
 wxString wxGridStringTable::GetValue( int row, int col )
 {

-    wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
-                  _T("invalid row or column index in wxGridStringTable") );
+    wxCHECK_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
+                 wxEmptyString,
+                 _T("invalid row or column index in wxGridStringTable") );

 
     return m_data[row][col];
 }
 
 void wxGridStringTable::SetValue( int row, int col, const wxString& value )
 {
 
     return m_data[row][col];
 }
 
 void wxGridStringTable::SetValue( int row, int col, const wxString& value )
 {

-    wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
-                  _T("invalid row or column index in wxGridStringTable") );
+    wxCHECK_RET( (row < GetNumberRows()) && (col < GetNumberCols()),
+                 _T("invalid row or column index in wxGridStringTable") );

 
     m_data[row][col] = value;
 }
 
 bool wxGridStringTable::IsEmptyCell( int row, int col )
 {
 
     m_data[row][col] = value;
 }
 
 bool wxGridStringTable::IsEmptyCell( int row, int col )
 {

-    wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
+    wxCHECK_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
+                 true,

                   _T("invalid row or column index in wxGridStringTable") );
 
     return (m_data[row][col] == wxEmptyString);
                   _T("invalid row or column index in wxGridStringTable") );
 
     return (m_data[row][col] == wxEmptyString);


@@ -3661,6 +3671,8 @@ BEGIN_EVENT_TABLE( wxGridWindow, wxWindow )
     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
     EVT_KEY_DOWN( wxGridWindow::OnKeyDown )
     EVT_KEY_UP( wxGridWindow::OnKeyUp )
     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
     EVT_KEY_DOWN( wxGridWindow::OnKeyDown )
     EVT_KEY_UP( wxGridWindow::OnKeyUp )

+    EVT_SET_FOCUS( wxGridWindow::OnFocus )
+    EVT_KILL_FOCUS( wxGridWindow::OnFocus )

     EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
 END_EVENT_TABLE()
 
     EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
 END_EVENT_TABLE()
 


@@ -3736,6 +3748,11 @@ void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
 {
 }
 
 {
 }
 

+void wxGridWindow::OnFocus(wxFocusEvent& event)
+{
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
+        event.Skip();
+}

 
 //////////////////////////////////////////////////////////////////////
 
 
 //////////////////////////////////////////////////////////////////////
 


@@ -3758,7 +3775,57 @@ static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
                                           m_rowBottoms, m_numRows, TRUE)
 /////////////////////////////////////////////////////////////////////
 
                                           m_rowBottoms, m_numRows, TRUE)
 /////////////////////////////////////////////////////////////////////
 

+#if wxUSE_EXTENDED_RTTI
+WX_DEFINE_FLAGS( wxGridStyle )
+
+wxBEGIN_FLAGS( wxGridStyle )
+    // new style border flags, we put them first to
+    // use them for streaming out
+    wxFLAGS_MEMBER(wxBORDER_SIMPLE)
+    wxFLAGS_MEMBER(wxBORDER_SUNKEN)
+    wxFLAGS_MEMBER(wxBORDER_DOUBLE)
+    wxFLAGS_MEMBER(wxBORDER_RAISED)
+    wxFLAGS_MEMBER(wxBORDER_STATIC)
+    wxFLAGS_MEMBER(wxBORDER_NONE)
+    
+    // old style border flags
+    wxFLAGS_MEMBER(wxSIMPLE_BORDER)
+    wxFLAGS_MEMBER(wxSUNKEN_BORDER)
+    wxFLAGS_MEMBER(wxDOUBLE_BORDER)
+    wxFLAGS_MEMBER(wxRAISED_BORDER)
+    wxFLAGS_MEMBER(wxSTATIC_BORDER)
+    wxFLAGS_MEMBER(wxBORDER)
+
+    // standard window styles
+    wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+    wxFLAGS_MEMBER(wxCLIP_CHILDREN)
+    wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
+    wxFLAGS_MEMBER(wxWANTS_CHARS)
+    wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
+    wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
+    wxFLAGS_MEMBER(wxVSCROLL)
+    wxFLAGS_MEMBER(wxHSCROLL)
+
+wxEND_FLAGS( wxGridStyle )
+
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxGrid, wxScrolledWindow,"wx/grid.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxGrid)
+    wxHIDE_PROPERTY( Children )
+    wxPROPERTY_FLAGS( WindowStyle , wxGridStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+wxEND_PROPERTIES_TABLE()
+
+wxBEGIN_HANDLERS_TABLE(wxGrid)
+wxEND_HANDLERS_TABLE()
+
+wxCONSTRUCTOR_5( wxGrid , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle ) 
+
+/*
+ TODO : Expose more information of a list's layout etc. via appropriate objects (à la NotebookPageInfo)
+*/
+#else

 IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxScrolledWindow )
 IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxScrolledWindow )

+#endif

 
 BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow )
     EVT_PAINT( wxGrid::OnPaint )
 
 BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow )
     EVT_PAINT( wxGrid::OnPaint )


@@ -3768,6 +3835,16 @@ BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow )
     EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
 END_EVENT_TABLE()
 
     EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
 END_EVENT_TABLE()
 

+wxGrid::wxGrid()
+{
+    // in order to make sure that a size event is not
+    // trigerred in a unfinished state
+    m_cornerLabelWin = NULL ;
+    m_rowLabelWin = NULL ;
+    m_colLabelWin = NULL ;
+    m_gridWin = NULL ;
+}
+

 wxGrid::wxGrid( wxWindow *parent,
                  wxWindowID id,
                  const wxPoint& pos,
 wxGrid::wxGrid( wxWindow *parent,
                  wxWindowID id,
                  const wxPoint& pos,


@@ -3781,6 +3858,23 @@ wxGrid::wxGrid( wxWindow *parent,
     Create();
 }
 
     Create();
 }
 

+bool wxGrid::Create(wxWindow *parent, wxWindowID id,
+                          const wxPoint& pos, const wxSize& size,
+                          long style, const wxString& name)
+{
+    if (!wxScrolledWindow::Create(parent, id, pos, size,
+                                  style | wxWANTS_CHARS , name))
+        return FALSE;
+
+    m_colMinWidths = wxLongToLongHashMap(GRID_HASH_SIZE) ;
+    m_rowMinHeights = wxLongToLongHashMap(GRID_HASH_SIZE) ;
+
+    Create() ;
+
+
+    return TRUE;
+}
+

 
 wxGrid::~wxGrid()
 {
 
 wxGrid::~wxGrid()
 {


@@ -3916,21 +4010,21 @@ bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
 {
     if ( m_created )
     {
 {
     if ( m_created )
     {

-        // stop all processing 
-        m_created = FALSE; 
+        // stop all processing
+        m_created = FALSE;

 
         if (m_ownTable)
         {
             wxGridTableBase *t=m_table;
             m_table=0;
 
         if (m_ownTable)
         {
             wxGridTableBase *t=m_table;
             m_table=0;

-            delete t; 
+            delete t;

         }
         }

-        delete m_selection; 
- 
-        m_table=0; 
-        m_selection=0; 
-        m_numRows=0; 
-        m_numCols=0; 
+        delete m_selection;
+
+        m_table=0;
+        m_selection=0;
+        m_numRows=0;
+        m_numCols=0;

     }
     if (table)
     {
     }
     if (table)
     {


@@ -4154,28 +4248,11 @@ void wxGrid::CalcDimensions()
     int x, y;
     GetViewStart( &x, &y );
 
     int x, y;
     GetViewStart( &x, &y );
 

-    // maybe we don't need scrollbars at all?
-    //
-    // also adjust the position to be valid for the new scroll rangs
-    if ( w <= cw )
-    {
-        w = x = 0;
-    }
-    else
-    {
-        if ( x >= w )
-            x = w - 1;
-    }
-
-    if ( h <= ch )
-    {
-        h = y = 0;
-    }
-    else
-    {
-        if ( y >= h )
-            y = h - 1;
-    }
+    // ensure the position is valid for the new scroll ranges
+    if ( x >= w )
+        x = wxMax( w - 1, 0 );
+    if ( y >= h )
+        y = wxMax( h - 1, 0 );

 
     // do set scrollbar parameters
     SetScrollbars( GRID_SCROLL_LINE_X, GRID_SCROLL_LINE_Y,
 
     // do set scrollbar parameters
     SetScrollbars( GRID_SCROLL_LINE_X, GRID_SCROLL_LINE_Y,


@@ -4190,6 +4267,11 @@ void wxGrid::CalcDimensions()
 
 void wxGrid::CalcWindowSizes()
 {
 
 void wxGrid::CalcWindowSizes()
 {

+    // escape if the window is has not been fully created yet
+
+    if ( m_cornerLabelWin == NULL )
+        return ;
+

     int cw, ch;
     GetClientSize( &cw, &ch );
 
     int cw, ch;
     GetClientSize( &cw, &ch );
 


@@ -5914,7 +5996,7 @@ int wxGrid::SendEvent( const wxEventType type,
                         wxMouseEvent& mouseEv )
 {
    bool claimed;
                         wxMouseEvent& mouseEv )
 {
    bool claimed;

-   bool vetoed= FALSE;
+   bool vetoed;

 
    if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
    {
 
    if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
    {


@@ -5981,7 +6063,7 @@ int wxGrid::SendEvent( const wxEventType type,
                         int row, int col )
 {
    bool claimed;
                         int row, int col )
 {
    bool claimed;

-   bool vetoed= FALSE;
+   bool vetoed;

 
     if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
     {
 
     if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
     {


@@ -7395,7 +7477,9 @@ bool wxGrid::IsCurrentCellReadOnly() const
 
 bool wxGrid::CanEnableCellControl() const
 {
 
 bool wxGrid::CanEnableCellControl() const
 {

-    return m_editable && !IsCurrentCellReadOnly();
+    return m_editable && (m_currentCellCoords != wxGridNoCellCoords) &&
+        !IsCurrentCellReadOnly();
+        

 }
 
 bool wxGrid::IsCellEditControlEnabled() const
 }
 
 bool wxGrid::IsCellEditControlEnabled() const


@@ -7658,7 +7742,10 @@ static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
         if ( coord >= BorderArray[i_max])
         {
             i_min = i_max;
         if ( coord >= BorderArray[i_max])
         {
             i_min = i_max;

-            i_max = coord / minDist;
+            if (minDist)
+                i_max = coord / minDist;
+            else
+                i_max =  BorderArray.GetCount() - 1;

         }
         if ( i_max >= BorderArray.GetCount())
             i_max = BorderArray.GetCount() - 1;
         }
         if ( i_max >= BorderArray.GetCount())
             i_max = BorderArray.GetCount() - 1;


@@ -9004,9 +9091,7 @@ void wxGrid::SetColFormatFloat(int col, int width, int precision)
 
 void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
 {
 
 void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
 {

-    wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
-
-    attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
+    wxGridCellAttr *attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );

     if(!attr)
         attr = new wxGridCellAttr;
     wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
     if(!attr)
         attr = new wxGridCellAttr;
     wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);


@@ -9339,13 +9424,13 @@ void wxGrid::SetColSize( int col, int width )
     // should we check that it's bigger than GetColMinimalWidth(col) here?
     //                                                                 (VZ)
     // No, because it is reasonable to assume the library user know's
     // should we check that it's bigger than GetColMinimalWidth(col) here?
     //                                                                 (VZ)
     // No, because it is reasonable to assume the library user know's

-    // what he is doing. However whe should test against the weaker 
+    // what he is doing. However whe should test against the weaker

     // constariant of minimalAcceptableWidth, as this breaks rendering
     // constariant of minimalAcceptableWidth, as this breaks rendering

-    // 
+    //

     // This test then fixes sf.net bug #645734
     // This test then fixes sf.net bug #645734

-    
+

     if ( width < GetColMinimalAcceptableWidth()) { return; }
     if ( width < GetColMinimalAcceptableWidth()) { return; }

-    
+

     if ( m_colWidths.IsEmpty() )
     {
         // need to really create the array
     if ( m_colWidths.IsEmpty() )
     {
         // need to really create the array


@@ -9405,14 +9490,18 @@ int wxGrid::GetRowMinimalHeight(int row) const
 
 void wxGrid::SetColMinimalAcceptableWidth( int width )
 {
 
 void wxGrid::SetColMinimalAcceptableWidth( int width )
 {

-    if ( width<1 )
+    // We do allow a width of 0 since this gives us
+    // an easy way to temporarily hidding columns.
+    if ( width<0 )

         return;
     m_minAcceptableColWidth = width;
 }
 
 void wxGrid::SetRowMinimalAcceptableHeight( int height )
 {
         return;
     m_minAcceptableColWidth = width;
 }
 
 void wxGrid::SetRowMinimalAcceptableHeight( int height )
 {

-    if ( height<1 )
+    // We do allow a height of 0 since this gives us
+    // an easy way to temporarily hidding rows.
+    if ( height<0 )

         return;
     m_minAcceptableRowHeight = height;
 };
         return;
     m_minAcceptableRowHeight = height;
 };