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Skip EVT_RIGHT_UP event in wxHtmlWindow if it wasn't handled.
[wxWidgets.git] / samples / grid / griddemo.cpp
diff --git a/samples/grid/griddemo.cpp b/samples/grid/griddemo.cpp
index f8b6f36895fb79970f99b64880d73bdf7039924f..aa3b4d59c4e21f65f31803634275a739d20df2a6 100644 (file)
--- a/samples/grid/griddemo.cpp
+++ b/samples/grid/griddemo.cpp
@@ -5,7 +5,7 @@
 // Modified by: Santiago Palacios
 // RCS-ID:      $Id$
 // Copyright:   (c) Michael Bedward, Julian Smart, Vadim Zeitlin
 // Modified by: Santiago Palacios
 // RCS-ID:      $Id$
 // Copyright:   (c) Michael Bedward, Julian Smart, Vadim Zeitlin
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -33,10 +33,95 @@
 #include "wx/aboutdlg.h"
 
 #include "wx/grid.h"
 #include "wx/aboutdlg.h"
 
 #include "wx/grid.h"
+#include "wx/headerctrl.h"
 #include "wx/generic/gridctrl.h"
 #include "wx/generic/gridctrl.h"
+#include "wx/generic/grideditors.h"
 
 #include "griddemo.h"
 
 
 #include "griddemo.h"
 
+#ifndef __WXMSW__
+    #include "../sample.xpm"
+#endif
+
+// Custom renderer that renders column header cells without borders and in
+// italic
+class CustomColumnHeaderRenderer : public wxGridColumnHeaderRenderer
+{
+public:
+    CustomColumnHeaderRenderer(const wxColour& colFg, const wxColour& colBg)
+        : m_colFg(colFg),
+          m_colBg(colBg)
+    {
+    }
+
+    virtual void DrawLabel(const wxGrid& WXUNUSED(grid),
+                           wxDC& dc,
+                           const wxString& value,
+                           const wxRect& rect,
+                           int horizAlign,
+                           int vertAlign,
+                           int WXUNUSED(textOrientation)) const
+    {
+        dc.SetTextForeground(m_colFg);
+        dc.SetFont(wxITALIC_FONT->Bold());
+        dc.DrawLabel(value, rect, horizAlign | vertAlign);
+    }
+
+    virtual void DrawBorder(const wxGrid& WXUNUSED(grid),
+                            wxDC& dc,
+                            wxRect& rect) const
+    {
+        dc.SetPen(*wxTRANSPARENT_PEN);
+        dc.SetBrush(wxBrush(m_colBg));
+        dc.DrawRectangle(rect);
+    }
+
+private:
+    const wxColour m_colFg, m_colBg;
+
+    wxDECLARE_NO_COPY_CLASS(CustomColumnHeaderRenderer);
+};
+
+// And a custom attributes provider which uses custom column header renderer
+// defined above
+class CustomColumnHeadersProvider : public wxGridCellAttrProvider
+{
+public:
+    // by default custom column renderer is not used, call
+    // UseCustomColHeaders() to enable it
+    CustomColumnHeadersProvider()
+        : m_customOddRenderer(*wxYELLOW, *wxBLUE),
+          m_customEvenRenderer(*wxWHITE, *wxBLACK),
+          m_useCustom(false)
+    {
+    }
+
+    // enable or disable the use of custom renderer for column headers
+    void UseCustomColHeaders(bool use = true) { m_useCustom = use; }
+
+protected:
+    virtual const wxGridColumnHeaderRenderer& GetColumnHeaderRenderer(int col)
+    {
+        // if enabled, use custom renderers
+        if ( m_useCustom )
+        {
+            // and use different ones for odd and even columns -- just to show
+            // that we can
+            return col % 2 ? m_customOddRenderer : m_customEvenRenderer;
+        }
+
+        return wxGridCellAttrProvider::GetColumnHeaderRenderer(col);
+    }
+
+private:
+    CustomColumnHeaderRenderer m_customOddRenderer,
+                               m_customEvenRenderer;
+
+    bool m_useCustom;
+
+    wxDECLARE_NO_COPY_CLASS(CustomColumnHeadersProvider);
+};
+
 // ----------------------------------------------------------------------------
 // wxWin macros
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxWin macros
 // ----------------------------------------------------------------------------
@@ -72,7 +157,9 @@ BEGIN_EVENT_TABLE( GridFrame, wxFrame )
     EVT_MENU( ID_TOGGLECOLMOVING, GridFrame::ToggleColMoving )
     EVT_MENU( ID_TOGGLEGRIDSIZING, GridFrame::ToggleGridSizing )
     EVT_MENU( ID_TOGGLEGRIDDRAGCELL, GridFrame::ToggleGridDragCell )
     EVT_MENU( ID_TOGGLECOLMOVING, GridFrame::ToggleColMoving )
     EVT_MENU( ID_TOGGLEGRIDSIZING, GridFrame::ToggleGridSizing )
     EVT_MENU( ID_TOGGLEGRIDDRAGCELL, GridFrame::ToggleGridDragCell )
-    EVT_MENU( ID_TOGGLENATIVEHEADER, GridFrame::ToggleNativeHeader )
+    EVT_MENU( ID_COLNATIVEHEADER, GridFrame::SetNativeColHeader )
+    EVT_MENU( ID_COLDEFAULTHEADER, GridFrame::SetDefaultColHeader )
+    EVT_MENU( ID_COLCUSTOMHEADER, GridFrame::SetCustomColHeader )
     EVT_MENU( ID_TOGGLEGRIDLINES, GridFrame::ToggleGridLines )
     EVT_MENU( ID_AUTOSIZECOLS, GridFrame::AutoSizeCols )
     EVT_MENU( ID_CELLOVERFLOW, GridFrame::CellOverflow )
     EVT_MENU( ID_TOGGLEGRIDLINES, GridFrame::ToggleGridLines )
     EVT_MENU( ID_AUTOSIZECOLS, GridFrame::AutoSizeCols )
     EVT_MENU( ID_CELLOVERFLOW, GridFrame::CellOverflow )
@@ -113,7 +200,6 @@ BEGIN_EVENT_TABLE( GridFrame, wxFrame )
     EVT_MENU( ID_SELECT_ROW, GridFrame::SelectRow)
     EVT_MENU( ID_SELECT_ALL, GridFrame::SelectAll)
     EVT_MENU( ID_SELECT_UNSELECT, GridFrame::OnAddToSelectToggle)
     EVT_MENU( ID_SELECT_ROW, GridFrame::SelectRow)
     EVT_MENU( ID_SELECT_ALL, GridFrame::SelectAll)
     EVT_MENU( ID_SELECT_UNSELECT, GridFrame::OnAddToSelectToggle)
-    EVT_MENU( ID_SHOW_SELECTION, GridFrame::OnShowSelection)
 
     EVT_MENU( ID_SIZE_ROW, GridFrame::AutoSizeRow )
     EVT_MENU( ID_SIZE_COL, GridFrame::AutoSizeCol )
 
     EVT_MENU( ID_SIZE_ROW, GridFrame::AutoSizeRow )
     EVT_MENU( ID_SIZE_COL, GridFrame::AutoSizeCol )
@@ -132,7 +218,8 @@ BEGIN_EVENT_TABLE( GridFrame, wxFrame )
     EVT_GRID_COL_SIZE( GridFrame::OnColSize )
     EVT_GRID_SELECT_CELL( GridFrame::OnSelectCell )
     EVT_GRID_RANGE_SELECT( GridFrame::OnRangeSelected )
     EVT_GRID_COL_SIZE( GridFrame::OnColSize )
     EVT_GRID_SELECT_CELL( GridFrame::OnSelectCell )
     EVT_GRID_RANGE_SELECT( GridFrame::OnRangeSelected )
-    EVT_GRID_CELL_CHANGE( GridFrame::OnCellValueChanged )
+    EVT_GRID_CELL_CHANGING( GridFrame::OnCellValueChanging )
+    EVT_GRID_CELL_CHANGED( GridFrame::OnCellValueChanged )
     EVT_GRID_CELL_BEGIN_DRAG( GridFrame::OnCellBeginDrag )
 
     EVT_GRID_EDITOR_SHOWN( GridFrame::OnEditorShown )
     EVT_GRID_CELL_BEGIN_DRAG( GridFrame::OnCellBeginDrag )
 
     EVT_GRID_EDITOR_SHOWN( GridFrame::OnEditorShown )
@@ -141,16 +228,18 @@ END_EVENT_TABLE()
 
 
 GridFrame::GridFrame()
 
 
 GridFrame::GridFrame()
-        : wxFrame( (wxFrame *)NULL, wxID_ANY, _T("wxWidgets grid class demo"),
+        : wxFrame( (wxFrame *)NULL, wxID_ANY, wxT("wxWidgets grid class demo"),
                    wxDefaultPosition,
                    wxDefaultSize )
 {
                    wxDefaultPosition,
                    wxDefaultSize )
 {
+    SetIcon(wxICON(sample));
+
     wxMenu *fileMenu = new wxMenu;
     wxMenu *fileMenu = new wxMenu;
-    fileMenu->Append( ID_VTABLE, _T("&Virtual table test\tCtrl-V"));
-    fileMenu->Append( ID_BUGS_TABLE, _T("&Bugs table test\tCtrl-B"));
-    fileMenu->Append( ID_TABULAR_TABLE, _T("&Tabular table test\tCtrl-T"));
+    fileMenu->Append( ID_VTABLE, wxT("&Virtual table test\tCtrl-V"));
+    fileMenu->Append( ID_BUGS_TABLE, wxT("&Bugs table test\tCtrl-B"));
+    fileMenu->Append( ID_TABULAR_TABLE, wxT("&Tabular table test\tCtrl-T"));
     fileMenu->AppendSeparator();
     fileMenu->AppendSeparator();
-    fileMenu->Append( wxID_EXIT, _T("E&xit\tAlt-X") );
+    fileMenu->Append( wxID_EXIT, wxT("E&xit\tAlt-X") );
 
     wxMenu *viewMenu = new wxMenu;
     viewMenu->AppendCheckItem(ID_TOGGLEROWLABELS, "&Row labels");
 
     wxMenu *viewMenu = new wxMenu;
     viewMenu->AppendCheckItem(ID_TOGGLEROWLABELS, "&Row labels");
@@ -161,7 +250,6 @@ GridFrame::GridFrame()
     viewMenu->AppendCheckItem(ID_TOGGLECOLMOVING, "Col drag-&move");
     viewMenu->AppendCheckItem(ID_TOGGLEGRIDSIZING, "&Grid drag-resize");
     viewMenu->AppendCheckItem(ID_TOGGLEGRIDDRAGCELL, "&Grid drag-cell");
     viewMenu->AppendCheckItem(ID_TOGGLECOLMOVING, "Col drag-&move");
     viewMenu->AppendCheckItem(ID_TOGGLEGRIDSIZING, "&Grid drag-resize");
     viewMenu->AppendCheckItem(ID_TOGGLEGRIDDRAGCELL, "&Grid drag-cell");
-    viewMenu->AppendCheckItem(ID_TOGGLENATIVEHEADER, "&Native column headers");
     viewMenu->AppendCheckItem(ID_TOGGLEGRIDLINES, "&Grid Lines");
     viewMenu->AppendCheckItem(ID_SET_HIGHLIGHT_WIDTH, "&Set Cell Highlight Width...");
     viewMenu->AppendCheckItem(ID_SET_RO_HIGHLIGHT_WIDTH, "&Set Cell RO Highlight Width...");
     viewMenu->AppendCheckItem(ID_TOGGLEGRIDLINES, "&Grid Lines");
     viewMenu->AppendCheckItem(ID_SET_HIGHLIGHT_WIDTH, "&Set Cell Highlight Width...");
     viewMenu->AppendCheckItem(ID_SET_RO_HIGHLIGHT_WIDTH, "&Set Cell RO Highlight Width...");
@@ -171,83 +259,92 @@ GridFrame::GridFrame()
 
     wxMenu *rowLabelMenu = new wxMenu;
 
 
     wxMenu *rowLabelMenu = new wxMenu;
 
-    viewMenu->Append( ID_ROWLABELALIGN, _T("R&ow label alignment"),
+    viewMenu->Append( ID_ROWLABELALIGN, wxT("R&ow label alignment"),
                       rowLabelMenu,
                       rowLabelMenu,
-                      _T("Change alignment of row labels") );
+                      wxT("Change alignment of row labels") );
 
 
-    rowLabelMenu->Append( ID_ROWLABELHORIZALIGN, _T("&Horizontal") );
-    rowLabelMenu->Append( ID_ROWLABELVERTALIGN, _T("&Vertical") );
+    rowLabelMenu->AppendRadioItem( ID_ROWLABELHORIZALIGN, wxT("&Horizontal") );
+    rowLabelMenu->AppendRadioItem( ID_ROWLABELVERTALIGN, wxT("&Vertical") );
 
     wxMenu *colLabelMenu = new wxMenu;
 
 
     wxMenu *colLabelMenu = new wxMenu;
 
-    viewMenu->Append( ID_COLLABELALIGN, _T("Col l&abel alignment"),
+    viewMenu->Append( ID_COLLABELALIGN, wxT("Col l&abel alignment"),
                       colLabelMenu,
                       colLabelMenu,
-                      _T("Change alignment of col labels") );
+                      wxT("Change alignment of col labels") );
+
+    colLabelMenu->AppendRadioItem( ID_COLLABELHORIZALIGN, wxT("&Horizontal") );
+    colLabelMenu->AppendRadioItem( ID_COLLABELVERTALIGN, wxT("&Vertical") );
+
+    wxMenu *colHeaderMenu = new wxMenu;
+
+    viewMenu->Append( ID_ROWLABELALIGN, wxT("Col header style"),
+                      colHeaderMenu,
+                      wxT("Change style of col header") );
+
+    colHeaderMenu->AppendRadioItem( ID_COLDEFAULTHEADER, wxT("&Default") );
+    colHeaderMenu->AppendRadioItem( ID_COLNATIVEHEADER, wxT("&Native") );
+    colHeaderMenu->AppendRadioItem( ID_COLCUSTOMHEADER, wxT("&Custom") );
 
 
-    colLabelMenu->Append( ID_COLLABELHORIZALIGN, _T("&Horizontal") );
-    colLabelMenu->Append( ID_COLLABELVERTALIGN, _T("&Vertical") );
 
     wxMenu *colMenu = new wxMenu;
 
     wxMenu *colMenu = new wxMenu;
-    colMenu->Append( ID_SETLABELCOLOUR, _T("Set &label colour...") );
-    colMenu->Append( ID_SETLABELTEXTCOLOUR, _T("Set label &text colour...") );
-    colMenu->Append( ID_SETLABEL_FONT, _T("Set label fo&nt...") );
-    colMenu->Append( ID_GRIDLINECOLOUR, _T("&Grid line colour...") );
-    colMenu->Append( ID_SET_CELL_FG_COLOUR, _T("Set cell &foreground colour...") );
-    colMenu->Append( ID_SET_CELL_BG_COLOUR, _T("Set cell &background colour...") );
+    colMenu->Append( ID_SETLABELCOLOUR, wxT("Set &label colour...") );
+    colMenu->Append( ID_SETLABELTEXTCOLOUR, wxT("Set label &text colour...") );
+    colMenu->Append( ID_SETLABEL_FONT, wxT("Set label fo&nt...") );
+    colMenu->Append( ID_GRIDLINECOLOUR, wxT("&Grid line colour...") );
+    colMenu->Append( ID_SET_CELL_FG_COLOUR, wxT("Set cell &foreground colour...") );
+    colMenu->Append( ID_SET_CELL_BG_COLOUR, wxT("Set cell &background colour...") );
 
     wxMenu *editMenu = new wxMenu;
 
     wxMenu *editMenu = new wxMenu;
-    editMenu->Append( ID_INSERTROW, _T("Insert &row") );
-    editMenu->Append( ID_INSERTCOL, _T("Insert &column") );
-    editMenu->Append( ID_DELETEROW, _T("Delete selected ro&ws") );
-    editMenu->Append( ID_DELETECOL, _T("Delete selected co&ls") );
-    editMenu->Append( ID_CLEARGRID, _T("Cl&ear grid cell contents") );
+    editMenu->Append( ID_INSERTROW, wxT("Insert &row") );
+    editMenu->Append( ID_INSERTCOL, wxT("Insert &column") );
+    editMenu->Append( ID_DELETEROW, wxT("Delete selected ro&ws") );
+    editMenu->Append( ID_DELETECOL, wxT("Delete selected co&ls") );
+    editMenu->Append( ID_CLEARGRID, wxT("Cl&ear grid cell contents") );
 
     wxMenu *selectMenu = new wxMenu;
 
     wxMenu *selectMenu = new wxMenu;
-    selectMenu->Append( ID_SELECT_UNSELECT, _T("Add new cells to the selection"),
-                        _T("When off, old selection is deselected before ")
-                        _T("selecting the new cells"), wxITEM_CHECK );
-    selectMenu->Append( ID_SHOW_SELECTION,
-                        _T("&Show current selection\tCtrl-Alt-S"));
+    selectMenu->Append( ID_SELECT_UNSELECT, wxT("Add new cells to the selection"),
+                        wxT("When off, old selection is deselected before ")
+                        wxT("selecting the new cells"), wxITEM_CHECK );
     selectMenu->AppendSeparator();
     selectMenu->AppendSeparator();
-    selectMenu->Append( ID_SELECT_ALL, _T("Select all"));
-    selectMenu->Append( ID_SELECT_ROW, _T("Select row 2"));
-    selectMenu->Append( ID_SELECT_COL, _T("Select col 2"));
-    selectMenu->Append( ID_SELECT_CELL, _T("Select cell (3, 1)"));
+    selectMenu->Append( ID_SELECT_ALL, wxT("Select all"));
+    selectMenu->Append( ID_SELECT_ROW, wxT("Select row 2"));
+    selectMenu->Append( ID_SELECT_COL, wxT("Select col 2"));
+    selectMenu->Append( ID_SELECT_CELL, wxT("Select cell (3, 1)"));
     selectMenu->AppendSeparator();
     selectMenu->AppendSeparator();
-    selectMenu->Append( ID_DESELECT_ALL, _T("Deselect all"));
-    selectMenu->Append( ID_DESELECT_ROW, _T("Deselect row 2"));
-    selectMenu->Append( ID_DESELECT_COL, _T("Deselect col 2"));
-    selectMenu->Append( ID_DESELECT_CELL, _T("Deselect cell (3, 1)"));
+    selectMenu->Append( ID_DESELECT_ALL, wxT("Deselect all"));
+    selectMenu->Append( ID_DESELECT_ROW, wxT("Deselect row 2"));
+    selectMenu->Append( ID_DESELECT_COL, wxT("Deselect col 2"));
+    selectMenu->Append( ID_DESELECT_CELL, wxT("Deselect cell (3, 1)"));
     wxMenu *selectionMenu = new wxMenu;
     wxMenu *selectionMenu = new wxMenu;
-    selectMenu->Append( ID_CHANGESEL, _T("Change &selection mode"),
+    selectMenu->Append( ID_CHANGESEL, wxT("Change &selection mode"),
                       selectionMenu,
                       selectionMenu,
-                      _T("Change selection mode") );
+                      wxT("Change selection mode") );
 
 
-    selectionMenu->Append( ID_SELCELLS, _T("Select &cells") );
-    selectionMenu->Append( ID_SELROWS, _T("Select &rows") );
-    selectionMenu->Append( ID_SELCOLS, _T("Select col&umns") );
-    selectionMenu->Append( ID_SELROWSORCOLS, _T("Select rows &or columns") );
+    selectionMenu->Append( ID_SELCELLS, wxT("Select &cells") );
+    selectionMenu->Append( ID_SELROWS, wxT("Select &rows") );
+    selectionMenu->Append( ID_SELCOLS, wxT("Select col&umns") );
+    selectionMenu->Append( ID_SELROWSORCOLS, wxT("Select rows &or columns") );
 
     wxMenu *autosizeMenu = new wxMenu;
 
     wxMenu *autosizeMenu = new wxMenu;
-    autosizeMenu->Append( ID_SIZE_ROW, _T("Selected &row data") );
-    autosizeMenu->Append( ID_SIZE_COL, _T("Selected &column data") );
-    autosizeMenu->Append( ID_SIZE_ROW_LABEL, _T("Selected row la&bel") );
-    autosizeMenu->Append( ID_SIZE_COL_LABEL, _T("Selected column &label") );
-    autosizeMenu->Append( ID_SIZE_LABELS_COL, _T("Column la&bels") );
-    autosizeMenu->Append( ID_SIZE_LABELS_ROW, _T("Row label&s") );
-    autosizeMenu->Append( ID_SIZE_GRID, _T("Entire &grid") );
+    autosizeMenu->Append( ID_SIZE_ROW, wxT("Selected &row data") );
+    autosizeMenu->Append( ID_SIZE_COL, wxT("Selected &column data") );
+    autosizeMenu->Append( ID_SIZE_ROW_LABEL, wxT("Selected row la&bel") );
+    autosizeMenu->Append( ID_SIZE_COL_LABEL, wxT("Selected column &label") );
+    autosizeMenu->Append( ID_SIZE_LABELS_COL, wxT("Column la&bels") );
+    autosizeMenu->Append( ID_SIZE_LABELS_ROW, wxT("Row label&s") );
+    autosizeMenu->Append( ID_SIZE_GRID, wxT("Entire &grid") );
 
     wxMenu *helpMenu = new wxMenu;
 
     wxMenu *helpMenu = new wxMenu;
-    helpMenu->Append( wxID_ABOUT, _T("&About wxGrid demo") );
+    helpMenu->Append( wxID_ABOUT, wxT("&About wxGrid demo") );
 
     wxMenuBar *menuBar = new wxMenuBar;
 
     wxMenuBar *menuBar = new wxMenuBar;
-    menuBar->Append( fileMenu, _T("&File") );
-    menuBar->Append( viewMenu, _T("&Grid") );
-    menuBar->Append( colMenu,  _T("&Colours") );
-    menuBar->Append( editMenu, _T("&Edit") );
-    menuBar->Append( selectMenu, _T("&Select") );
-    menuBar->Append( autosizeMenu, _T("&Autosize") );
-    menuBar->Append( helpMenu, _T("&Help") );
+    menuBar->Append( fileMenu, wxT("&File") );
+    menuBar->Append( viewMenu, wxT("&Grid") );
+    menuBar->Append( colMenu,  wxT("&Colours") );
+    menuBar->Append( editMenu, wxT("&Edit") );
+    menuBar->Append( selectMenu, wxT("&Select") );
+    menuBar->Append( autosizeMenu, wxT("&Autosize") );
+    menuBar->Append( helpMenu, wxT("&Help") );
 
     SetMenuBar( menuBar );
 
 
     SetMenuBar( menuBar );
 
@@ -258,6 +355,7 @@ GridFrame::GridFrame()
                        wxPoint( 0, 0 ),
                        wxSize( 400, 300 ) );
 
                        wxPoint( 0, 0 ),
                        wxSize( 400, 300 ) );
 
+
 #if wxUSE_LOG
     int gridW = 600, gridH = 300;
     int logW = gridW, logH = 100;
 #if wxUSE_LOG
     int gridW = 600, gridH = 300;
     int logW = gridW, logH = 100;
@@ -277,6 +375,9 @@ GridFrame::GridFrame()
     // this will create a grid and, by default, an associated grid
     // table for strings
     grid->CreateGrid( 0, 0 );
     // this will create a grid and, by default, an associated grid
     // table for strings
     grid->CreateGrid( 0, 0 );
+
+    grid->GetTable()->SetAttrProvider(new CustomColumnHeadersProvider());
+
     grid->AppendRows(100);
     grid->AppendCols(100);
 
     grid->AppendRows(100);
     grid->AppendCols(100);
 
@@ -285,37 +386,37 @@ GridFrame::GridFrame()
     grid->AppendRows(ir);
 
     grid->SetRowSize( 0, 60 );
     grid->AppendRows(ir);
 
     grid->SetRowSize( 0, 60 );
-    grid->SetCellValue( 0, 0, _T("Ctrl+Home\nwill go to\nthis cell") );
+    grid->SetCellValue( 0, 0, wxT("Ctrl+Home\nwill go to\nthis cell") );
 
 
-    grid->SetCellValue( 0, 1, _T("A long piece of text to demonstrate wrapping.") );
+    grid->SetCellValue( 0, 1, wxT("A long piece of text to demonstrate wrapping.") );
     grid->SetCellRenderer(0 , 1, new wxGridCellAutoWrapStringRenderer);
     grid->SetCellEditor( 0,  1 , new wxGridCellAutoWrapStringEditor);
 
     grid->SetCellRenderer(0 , 1, new wxGridCellAutoWrapStringRenderer);
     grid->SetCellEditor( 0,  1 , new wxGridCellAutoWrapStringEditor);
 
-    grid->SetCellValue( 0, 2, _T("Blah") );
-    grid->SetCellValue( 0, 3, _T("Read only") );
+    grid->SetCellValue( 0, 2, wxT("Blah") );
+    grid->SetCellValue( 0, 3, wxT("Read only") );
     grid->SetReadOnly( 0, 3 );
 
     grid->SetReadOnly( 0, 3 );
 
-    grid->SetCellValue( 0, 4, _T("Can veto edit this cell") );
+    grid->SetCellValue( 0, 4, wxT("Can veto edit this cell") );
 
 
-    grid->SetCellValue( 0, 5, _T("Press\nCtrl+arrow\nto skip over\ncells") );
+    grid->SetCellValue( 0, 5, wxT("Press\nCtrl+arrow\nto skip over\ncells") );
 
     grid->SetRowSize( 99, 60 );
 
     grid->SetRowSize( 99, 60 );
-    grid->SetCellValue( 99, 99, _T("Ctrl+End\nwill go to\nthis cell") );
-    grid->SetCellValue( 1, 0, _T("This default cell will overflow into neighboring cells, but not if you turn overflow off."));
+    grid->SetCellValue( 99, 99, wxT("Ctrl+End\nwill go to\nthis cell") );
+    grid->SetCellValue( 1, 0, wxT("This default cell will overflow into neighboring cells, but not if you turn overflow off."));
 
     grid->SetCellTextColour(1, 2, *wxRED);
     grid->SetCellBackgroundColour(1, 2, *wxGREEN);
 
 
     grid->SetCellTextColour(1, 2, *wxRED);
     grid->SetCellBackgroundColour(1, 2, *wxGREEN);
 
-    grid->SetCellValue( 1, 4, _T("I'm in the middle"));
+    grid->SetCellValue( 1, 4, wxT("I'm in the middle"));
 
 
-    grid->SetCellValue(2, 2, _T("red"));
+    grid->SetCellValue(2, 2, wxT("red"));
 
     grid->SetCellTextColour(2, 2, *wxRED);
 
     grid->SetCellTextColour(2, 2, *wxRED);
-    grid->SetCellValue(3, 3, _T("green on grey"));
+    grid->SetCellValue(3, 3, wxT("green on grey"));
     grid->SetCellTextColour(3, 3, *wxGREEN);
     grid->SetCellBackgroundColour(3, 3, *wxLIGHT_GREY);
 
     grid->SetCellTextColour(3, 3, *wxGREEN);
     grid->SetCellBackgroundColour(3, 3, *wxLIGHT_GREY);
 
-    grid->SetCellValue(4, 4, _T("a weird looking cell"));
+    grid->SetCellValue(4, 4, wxT("a weird looking cell"));
     grid->SetCellAlignment(4, 4, wxALIGN_CENTRE, wxALIGN_CENTRE);
     grid->SetCellRenderer(4, 4, new MyGridCellRenderer);
 
     grid->SetCellAlignment(4, 4, wxALIGN_CENTRE, wxALIGN_CENTRE);
     grid->SetCellRenderer(4, 4, new MyGridCellRenderer);
 
@@ -330,34 +431,47 @@ GridFrame::GridFrame()
     attr->SetBackgroundColour(*wxRED);
     grid->SetRowAttr(5, attr);
 
     attr->SetBackgroundColour(*wxRED);
     grid->SetRowAttr(5, attr);
 
-    grid->SetCellValue(2, 4, _T("a wider column"));
+    grid->SetCellValue(2, 4, wxT("a wider column"));
     grid->SetColSize(4, 120);
     grid->SetColMinimalWidth(4, 120);
 
     grid->SetCellTextColour(5, 8, *wxGREEN);
     grid->SetColSize(4, 120);
     grid->SetColMinimalWidth(4, 120);
 
     grid->SetCellTextColour(5, 8, *wxGREEN);
-    grid->SetCellValue(5, 8, _T("Bg from row attr\nText col from cell attr"));
-    grid->SetCellValue(5, 5, _T("Bg from row attr Text col from col attr and this text is so long that it covers over many many empty cells but is broken by one that isn't"));
+    grid->SetCellValue(5, 8, wxT("Bg from row attr\nText col from cell attr"));
+    grid->SetCellValue(5, 5, wxT("Bg from row attr Text col from col attr and this text is so long that it covers over many many empty cells but is broken by one that isn't"));
 
 
+    // Some numeric columns with different formatting.
     grid->SetColFormatFloat(6);
     grid->SetColFormatFloat(6);
-    grid->SetCellValue(0, 6, wxString::Format(wxT("%g"), 3.1415));
-    grid->SetCellValue(1, 6, wxString::Format(wxT("%g"), 1415.0));
-    grid->SetCellValue(2, 6, wxString::Format(wxT("%g"), 12345.67890));
+    grid->SetCellValue(0, 6, "Default\nfloat format");
+    grid->SetCellValue(1, 6, wxString::Format(wxT("%g"), 3.1415));
+    grid->SetCellValue(2, 6, wxString::Format(wxT("%g"), 1415.0));
+    grid->SetCellValue(3, 6, wxString::Format(wxT("%g"), 12345.67890));
 
     grid->SetColFormatFloat(7, 6, 2);
 
     grid->SetColFormatFloat(7, 6, 2);
-    grid->SetCellValue(0, 7, wxString::Format(wxT("%g"), 3.1415));
-    grid->SetCellValue(1, 7, wxString::Format(wxT("%g"), 1415.0));
-    grid->SetCellValue(2, 7, wxString::Format(wxT("%g"), 12345.67890));
-
-    grid->SetColFormatNumber(8);
-    grid->SetCellValue(0, 8, "17");
-    grid->SetCellValue(1, 8, "0");
-    grid->SetCellValue(2, 8, "-666");
+    grid->SetCellValue(0, 7, "Width 6\nprecision 2");
+    grid->SetCellValue(1, 7, wxString::Format(wxT("%g"), 3.1415));
+    grid->SetCellValue(2, 7, wxString::Format(wxT("%g"), 1415.0));
+    grid->SetCellValue(3, 7, wxString::Format(wxT("%g"), 12345.67890));
+
+    grid->SetColFormatCustom(8,
+            wxString::Format("%s:%i,%i,%s", wxGRID_VALUE_FLOAT, -1, 4, "g"));
+    grid->SetCellValue(0, 8, "Compact\nformat");
+    grid->SetCellValue(1, 8, wxT("31415e-4"));
+    grid->SetCellValue(2, 8, wxT("1415"));
+    grid->SetCellValue(3, 8, wxT("123456789e-4"));
+
+    grid->SetColFormatNumber(9);
+    grid->SetCellValue(0, 9, "Integer\ncolumn");
+    grid->SetCellValue(1, 9, "17");
+    grid->SetCellValue(2, 9, "0");
+    grid->SetCellValue(3, 9, "-666");
+    grid->SetCellAlignment(3, 9, wxALIGN_CENTRE, wxALIGN_TOP);
+    grid->SetCellValue(3, 10, "<- This numeric cell should be centred");
 
     const wxString choices[] =
     {
 
     const wxString choices[] =
     {
-        _T("Please select a choice"),
-        _T("This takes two cells"),
-        _T("Another choice"),
+        wxT("Please select a choice"),
+        wxT("This takes two cells"),
+        wxT("Another choice"),
     };
     grid->SetCellEditor(4, 0, new wxGridCellChoiceEditor(WXSIZEOF(choices), choices));
     grid->SetCellSize(4, 0, 1, 2);
     };
     grid->SetCellEditor(4, 0, new wxGridCellChoiceEditor(WXSIZEOF(choices), choices));
     grid->SetCellSize(4, 0, 1, 2);
@@ -366,7 +480,15 @@ GridFrame::GridFrame()
 
     grid->SetCellSize(7, 1, 3, 4);
     grid->SetCellAlignment(7, 1, wxALIGN_CENTRE, wxALIGN_CENTRE);
 
     grid->SetCellSize(7, 1, 3, 4);
     grid->SetCellAlignment(7, 1, wxALIGN_CENTRE, wxALIGN_CENTRE);
-    grid->SetCellValue(7, 1, _T("Big box!"));
+    grid->SetCellValue(7, 1, wxT("Big box!"));
+
+    // create a separator-like row: it's grey and it's non-resizable
+    grid->DisableRowResize(10);
+    grid->SetRowSize(10, 30);
+    attr = new wxGridCellAttr;
+    attr->SetBackgroundColour(*wxLIGHT_GREY);
+    grid->SetRowAttr(10, attr);
+    grid->SetCellValue(10, 0, "You can't resize this row interactively -- try it");
 
     // this does exactly nothing except testing that SetAttr() handles NULL
     // attributes and does reference counting correctly
 
     // this does exactly nothing except testing that SetAttr() handles NULL
     // attributes and does reference counting correctly
@@ -410,7 +532,6 @@ void GridFrame::SetDefaults()
     GetMenuBar()->Check( ID_TOGGLECOLMOVING, false );
     GetMenuBar()->Check( ID_TOGGLEGRIDSIZING, true );
     GetMenuBar()->Check( ID_TOGGLEGRIDDRAGCELL, false );
     GetMenuBar()->Check( ID_TOGGLECOLMOVING, false );
     GetMenuBar()->Check( ID_TOGGLEGRIDSIZING, true );
     GetMenuBar()->Check( ID_TOGGLEGRIDDRAGCELL, false );
-    GetMenuBar()->Check( ID_TOGGLENATIVEHEADER, false );
     GetMenuBar()->Check( ID_TOGGLEGRIDLINES, true );
     GetMenuBar()->Check( ID_CELLOVERFLOW, true );
 }
     GetMenuBar()->Check( ID_TOGGLEGRIDLINES, true );
     GetMenuBar()->Check( ID_CELLOVERFLOW, true );
 }
@@ -480,12 +601,31 @@ void GridFrame::ToggleGridDragCell( wxCommandEvent& WXUNUSED(ev) )
         GetMenuBar()->IsChecked( ID_TOGGLEGRIDDRAGCELL ) );
 }
 
         GetMenuBar()->IsChecked( ID_TOGGLEGRIDDRAGCELL ) );
 }
 
-void GridFrame::ToggleNativeHeader( wxCommandEvent& WXUNUSED(ev) )
+void GridFrame::SetNativeColHeader( wxCommandEvent& WXUNUSED(ev) )
+{
+    CustomColumnHeadersProvider* provider =
+        static_cast<CustomColumnHeadersProvider*>(grid->GetTable()->GetAttrProvider());
+    provider->UseCustomColHeaders(false);
+    grid->SetUseNativeColLabels(true);
+}
+
+void GridFrame::SetCustomColHeader( wxCommandEvent& WXUNUSED(ev) )
+{
+    CustomColumnHeadersProvider* provider =
+        static_cast<CustomColumnHeadersProvider*>(grid->GetTable()->GetAttrProvider());
+    provider->UseCustomColHeaders(true);
+    grid->SetUseNativeColLabels(false);
+}
+
+void GridFrame::SetDefaultColHeader( wxCommandEvent& WXUNUSED(ev) )
 {
 {
-    grid->SetUseNativeColLabels(
-        GetMenuBar()->IsChecked( ID_TOGGLENATIVEHEADER ) );
+    CustomColumnHeadersProvider* provider =
+        static_cast<CustomColumnHeadersProvider*>(grid->GetTable()->GetAttrProvider());
+    provider->UseCustomColHeaders(false);
+    grid->SetUseNativeColLabels(false);
 }
 
 }
 
+
 void GridFrame::ToggleGridLines( wxCommandEvent& WXUNUSED(ev) )
 {
     grid->EnableGridLines(
 void GridFrame::ToggleGridLines( wxCommandEvent& WXUNUSED(ev) )
 {
     grid->EnableGridLines(
@@ -494,10 +634,10 @@ void GridFrame::ToggleGridLines( wxCommandEvent& WXUNUSED(ev) )
 
 void GridFrame::OnSetHighlightWidth( wxCommandEvent& WXUNUSED(ev) )
 {
 
 void GridFrame::OnSetHighlightWidth( wxCommandEvent& WXUNUSED(ev) )
 {
-    wxString choices[] = { _T("0"), _T("1"), _T("2"), _T("3"), _T("4"), _T("5"), _T("6"), _T("7"), _T("8"), _T("9"), _T("10")};
+    wxString choices[] = { wxT("0"), wxT("1"), wxT("2"), wxT("3"), wxT("4"), wxT("5"), wxT("6"), wxT("7"), wxT("8"), wxT("9"), wxT("10")};
 
 
-    wxSingleChoiceDialog dlg(this, _T("Choose the thickness of the highlight pen:"),
-                             _T("Pen Width"), 11, choices);
+    wxSingleChoiceDialog dlg(this, wxT("Choose the thickness of the highlight pen:"),
+                             wxT("Pen Width"), 11, choices);
 
     int current = grid->GetCellHighlightPenWidth();
     dlg.SetSelection(current);
 
     int current = grid->GetCellHighlightPenWidth();
     dlg.SetSelection(current);
@@ -508,10 +648,10 @@ void GridFrame::OnSetHighlightWidth( wxCommandEvent& WXUNUSED(ev) )
 
 void GridFrame::OnSetROHighlightWidth( wxCommandEvent& WXUNUSED(ev) )
 {
 
 void GridFrame::OnSetROHighlightWidth( wxCommandEvent& WXUNUSED(ev) )
 {
-    wxString choices[] = { _T("0"), _T("1"), _T("2"), _T("3"), _T("4"), _T("5"), _T("6"), _T("7"), _T("8"), _T("9"), _T("10")};
+    wxString choices[] = { wxT("0"), wxT("1"), wxT("2"), wxT("3"), wxT("4"), wxT("5"), wxT("6"), wxT("7"), wxT("8"), wxT("9"), wxT("10")};
 
 
-    wxSingleChoiceDialog dlg(this, _T("Choose the thickness of the highlight pen:"),
-                             _T("Pen Width"), 11, choices);
+    wxSingleChoiceDialog dlg(this, wxT("Choose the thickness of the highlight pen:"),
+                             wxT("Pen Width"), 11, choices);
 
     int current = grid->GetCellHighlightROPenWidth();
     dlg.SetSelection(current);
 
     int current = grid->GetCellHighlightROPenWidth();
     dlg.SetSelection(current);
@@ -573,7 +713,7 @@ void GridFrame::SetLabelTextColour( wxCommandEvent& WXUNUSED(ev) )
 void GridFrame::SetLabelFont( wxCommandEvent& WXUNUSED(ev) )
 {
     wxFont font = wxGetFontFromUser(this);
 void GridFrame::SetLabelFont( wxCommandEvent& WXUNUSED(ev) )
 {
     wxFont font = wxGetFontFromUser(this);
-    if ( font.Ok() )
+    if ( font.IsOk() )
     {
         grid->SetLabelFont(font);
     }
     {
         grid->SetLabelFont(font);
     }
@@ -816,7 +956,7 @@ void GridFrame::SelectRowsOrCols( wxCommandEvent& WXUNUSED(ev) )
 void GridFrame::SetCellFgColour( wxCommandEvent& WXUNUSED(ev) )
 {
     wxColour col = wxGetColourFromUser(this);
 void GridFrame::SetCellFgColour( wxCommandEvent& WXUNUSED(ev) )
 {
     wxColour col = wxGetColourFromUser(this);
-    if ( col.Ok() )
+    if ( col.IsOk() )
     {
         grid->SetDefaultCellTextColour(col);
         grid->Refresh();
     {
         grid->SetDefaultCellTextColour(col);
         grid->Refresh();
@@ -826,7 +966,7 @@ void GridFrame::SetCellFgColour( wxCommandEvent& WXUNUSED(ev) )
 void GridFrame::SetCellBgColour( wxCommandEvent& WXUNUSED(ev) )
 {
     wxColour col = wxGetColourFromUser(this);
 void GridFrame::SetCellBgColour( wxCommandEvent& WXUNUSED(ev) )
 {
     wxColour col = wxGetColourFromUser(this);
-    if ( col.Ok() )
+    if ( col.IsOk() )
     {
         // Check the new Refresh function by passing it a rectangle
         // which exactly fits the grid.
     {
         // Check the new Refresh function by passing it a rectangle
         // which exactly fits the grid.
@@ -887,21 +1027,21 @@ void GridFrame::OnLabelLeftClick( wxGridEvent& ev )
     wxString logBuf;
     if ( ev.GetRow() != -1 )
     {
     wxString logBuf;
     if ( ev.GetRow() != -1 )
     {
-        logBuf << _T("Left click on row label ") << ev.GetRow();
+        logBuf << wxT("Left click on row label ") << ev.GetRow();
     }
     else if ( ev.GetCol() != -1 )
     {
     }
     else if ( ev.GetCol() != -1 )
     {
-        logBuf << _T("Left click on col label ") << ev.GetCol();
+        logBuf << wxT("Left click on col label ") << ev.GetCol();
     }
     else
     {
     }
     else
     {
-        logBuf << _T("Left click on corner label");
+        logBuf << wxT("Left click on corner label");
     }
 
     if ( ev.ShiftDown() )
     }
 
     if ( ev.ShiftDown() )
-        logBuf << _T(" (shift down)");
+        logBuf << wxT(" (shift down)");
     if ( ev.ControlDown() )
     if ( ev.ControlDown() )
-        logBuf << _T(" (control down)");
+        logBuf << wxT(" (control down)");
     wxLogMessage( wxT("%s"), logBuf.c_str() );
 
     // you must call event skip if you want default grid processing
     wxLogMessage( wxT("%s"), logBuf.c_str() );
 
     // you must call event skip if you want default grid processing
@@ -912,7 +1052,7 @@ void GridFrame::OnLabelLeftClick( wxGridEvent& ev )
 
 void GridFrame::OnCellLeftClick( wxGridEvent& ev )
 {
 
 void GridFrame::OnCellLeftClick( wxGridEvent& ev )
 {
-    wxLogMessage(_T("Left click at row %d, col %d"), ev.GetRow(), ev.GetCol());
+    wxLogMessage(wxT("Left click at row %d, col %d"), ev.GetRow(), ev.GetCol());
 
     // you must call event skip if you want default grid processing
     // (cell highlighting etc.)
 
     // you must call event skip if you want default grid processing
     // (cell highlighting etc.)
@@ -923,7 +1063,10 @@ void GridFrame::OnCellLeftClick( wxGridEvent& ev )
 
 void GridFrame::OnRowSize( wxGridSizeEvent& ev )
 {
 
 void GridFrame::OnRowSize( wxGridSizeEvent& ev )
 {
-    wxLogMessage(_T("Resized row %d"), ev.GetRowOrCol());
+    const int row = ev.GetRowOrCol();
+
+    wxLogMessage("Resized row %d, new height = %d",
+                 row, grid->GetRowSize(row));
 
     ev.Skip();
 }
 
     ev.Skip();
 }
@@ -931,105 +1074,32 @@ void GridFrame::OnRowSize( wxGridSizeEvent& ev )
 
 void GridFrame::OnColSize( wxGridSizeEvent& ev )
 {
 
 void GridFrame::OnColSize( wxGridSizeEvent& ev )
 {
-    wxLogMessage(_T("Resized col %d"), ev.GetRowOrCol());
+    const int col = ev.GetRowOrCol();
+
+    wxLogMessage("Resized column %d, new width = %d",
+                 col, grid->GetColSize(col));
 
     ev.Skip();
 }
 
 
 
     ev.Skip();
 }
 
 
-void GridFrame::OnShowSelection(wxCommandEvent& WXUNUSED(event))
-{
-    // max number of elements to dump -- otherwise it can take too much time
-    static const size_t countMax = 100;
-
-    bool rows = false;
-
-    switch ( grid->GetSelectionMode() )
-    {
-        case wxGrid::wxGridSelectCells:
-            {
-                const wxGridCellCoordsArray cells(grid->GetSelectedCells());
-                size_t count = cells.size();
-                wxLogMessage(_T("%lu cells selected:"), (unsigned long)count);
-                if ( count > countMax )
-                {
-                    wxLogMessage(_T("[too many selected cells, ")
-                                 _T("showing only the first %lu]"),
-                                 (unsigned long)countMax);
-                    count = countMax;
-                }
-
-                for ( size_t n = 0; n < count; n++ )
-                {
-                    const wxGridCellCoords& c = cells[n];
-                    wxLogMessage(_T("  selected cell %lu: (%d, %d)"),
-                                 (unsigned long)n, c.GetCol(), c.GetRow());
-                }
-            }
-            break;
-
-        case wxGrid::wxGridSelectRows:
-            rows = true;
-            // fall through
-
-        case wxGrid::wxGridSelectColumns:
-            {
-                const wxChar *plural, *single;
-                if ( rows )
-                {
-                    plural = _T("rows");
-                    single = _T("row");
-                }
-                else // columns
-                {
-                    plural = _T("columns");
-                    single = _T("column");
-                }
-
-                const wxArrayInt sels((const wxArrayInt)(rows ? grid->GetSelectedRows()
-                                           : grid->GetSelectedCols()));
-                size_t count = sels.size();
-                wxLogMessage(_T("%lu %s selected:"),
-                             (unsigned long)count, plural);
-                if ( count > countMax )
-                {
-                    wxLogMessage(_T("[too many selected %s, ")
-                                 _T("showing only the first %lu]"),
-                                 plural, (unsigned long)countMax);
-                    count = countMax;
-                }
-
-                for ( size_t n = 0; n < count; n++ )
-                {
-                    wxLogMessage(_T("  selected %s %lu: %d"),
-                                 single, (unsigned long)n, sels[n]);
-                }
-            }
-            break;
-
-        default:
-            wxFAIL_MSG( _T("unknown wxGrid selection mode") );
-            break;
-    }
-}
-
 void GridFrame::OnSelectCell( wxGridEvent& ev )
 {
     wxString logBuf;
     if ( ev.Selecting() )
 void GridFrame::OnSelectCell( wxGridEvent& ev )
 {
     wxString logBuf;
     if ( ev.Selecting() )
-        logBuf << _T("Selected ");
+        logBuf << wxT("Selected ");
     else
     else
-        logBuf << _T("Deselected ");
-    logBuf << _T("cell at row ") << ev.GetRow()
-           << _T(" col ") << ev.GetCol()
-           << _T(" ( ControlDown: ")<< (ev.ControlDown() ? 'T':'F')
-           << _T(", ShiftDown: ")<< (ev.ShiftDown() ? 'T':'F')
-           << _T(", AltDown: ")<< (ev.AltDown() ? 'T':'F')
-           << _T(", MetaDown: ")<< (ev.MetaDown() ? 'T':'F') << _T(" )");
+        logBuf << wxT("Deselected ");
+    logBuf << wxT("cell at row ") << ev.GetRow()
+           << wxT(" col ") << ev.GetCol()
+           << wxT(" ( ControlDown: ")<< (ev.ControlDown() ? 'T':'F')
+           << wxT(", ShiftDown: ")<< (ev.ShiftDown() ? 'T':'F')
+           << wxT(", AltDown: ")<< (ev.AltDown() ? 'T':'F')
+           << wxT(", MetaDown: ")<< (ev.MetaDown() ? 'T':'F') << wxT(" )");
 
     //Indicate whether this column was moved
     if ( ((wxGrid *)ev.GetEventObject())->GetColPos( ev.GetCol() ) != ev.GetCol() )
 
     //Indicate whether this column was moved
     if ( ((wxGrid *)ev.GetEventObject())->GetColPos( ev.GetCol() ) != ev.GetCol() )
-        logBuf << _T(" *** Column moved, current position: ") << ((wxGrid *)ev.GetEventObject())->GetColPos( ev.GetCol() );
+        logBuf << wxT(" *** Column moved, current position: ") << ((wxGrid *)ev.GetEventObject())->GetColPos( ev.GetCol() );
 
     wxLogMessage( wxT("%s"), logBuf.c_str() );
 
 
     wxLogMessage( wxT("%s"), logBuf.c_str() );
 
@@ -1042,36 +1112,59 @@ void GridFrame::OnRangeSelected( wxGridRangeSelectEvent& ev )
 {
     wxString logBuf;
     if ( ev.Selecting() )
 {
     wxString logBuf;
     if ( ev.Selecting() )
-        logBuf << _T("Selected ");
+        logBuf << wxT("Selected ");
     else
     else
-        logBuf << _T("Deselected ");
-    logBuf << _T("cells from row ") << ev.GetTopRow()
-           << _T(" col ") << ev.GetLeftCol()
-           << _T(" to row ") << ev.GetBottomRow()
-           << _T(" col ") << ev.GetRightCol()
-           << _T(" ( ControlDown: ")<< (ev.ControlDown() ? 'T':'F')
-           << _T(", ShiftDown: ")<< (ev.ShiftDown() ? 'T':'F')
-           << _T(", AltDown: ")<< (ev.AltDown() ? 'T':'F')
-           << _T(", MetaDown: ")<< (ev.MetaDown() ? 'T':'F') << _T(" )");
+        logBuf << wxT("Deselected ");
+    logBuf << wxT("cells from row ") << ev.GetTopRow()
+           << wxT(" col ") << ev.GetLeftCol()
+           << wxT(" to row ") << ev.GetBottomRow()
+           << wxT(" col ") << ev.GetRightCol()
+           << wxT(" ( ControlDown: ")<< (ev.ControlDown() ? 'T':'F')
+           << wxT(", ShiftDown: ")<< (ev.ShiftDown() ? 'T':'F')
+           << wxT(", AltDown: ")<< (ev.AltDown() ? 'T':'F')
+           << wxT(", MetaDown: ")<< (ev.MetaDown() ? 'T':'F') << wxT(" )");
     wxLogMessage( wxT("%s"), logBuf.c_str() );
 
     ev.Skip();
 }
 
     wxLogMessage( wxT("%s"), logBuf.c_str() );
 
     ev.Skip();
 }
 
+void GridFrame::OnCellValueChanging( wxGridEvent& ev )
+{
+    int row = ev.GetRow(),
+        col = ev.GetCol();
+
+    wxLogMessage("Value of cell at (%d, %d): about to change "
+                 "from \"%s\" to \"%s\"",
+                 row, col,
+                 grid->GetCellValue(row, col), ev.GetString());
+
+    // test how vetoing works
+    if ( ev.GetString() == "42" )
+    {
+        wxLogMessage("Vetoing the change.");
+        ev.Veto();
+        return;
+    }
+
+    ev.Skip();
+}
+
 void GridFrame::OnCellValueChanged( wxGridEvent& ev )
 {
     int row = ev.GetRow(),
         col = ev.GetCol();
 
 void GridFrame::OnCellValueChanged( wxGridEvent& ev )
 {
     int row = ev.GetRow(),
         col = ev.GetCol();
 
-    wxLogMessage(_T("Value changed for cell at row %d, col %d: now \"%s\""),
-                 row, col, grid->GetCellValue(row, col).c_str());
+    wxLogMessage("Value of cell at (%d, %d) changed and is now \"%s\" "
+                 "(was \"%s\")",
+                 row, col,
+                 grid->GetCellValue(row, col), ev.GetString());
 
     ev.Skip();
 }
 
 void GridFrame::OnCellBeginDrag( wxGridEvent& ev )
 {
 
     ev.Skip();
 }
 
 void GridFrame::OnCellBeginDrag( wxGridEvent& ev )
 {
-    wxLogMessage(_T("Got request to drag cell at row %d, col %d"),
+    wxLogMessage(wxT("Got request to drag cell at row %d, col %d"),
                  ev.GetRow(), ev.GetCol());
 
     ev.Skip();
                  ev.GetRow(), ev.GetCol());
 
     ev.Skip();
@@ -1082,8 +1175,8 @@ void GridFrame::OnEditorShown( wxGridEvent& ev )
 
     if ( (ev.GetCol() == 4) &&
          (ev.GetRow() == 0) &&
 
     if ( (ev.GetCol() == 4) &&
          (ev.GetRow() == 0) &&
-     (wxMessageBox(_T("Are you sure you wish to edit this cell"),
-                   _T("Checking"),wxYES_NO) == wxNO ) ) {
+     (wxMessageBox(wxT("Are you sure you wish to edit this cell"),
+                   wxT("Checking"),wxYES_NO) == wxNO ) ) {
 
      ev.Veto();
      return;
 
      ev.Veto();
      return;
@@ -1099,8 +1192,8 @@ void GridFrame::OnEditorHidden( wxGridEvent& ev )
 
     if ( (ev.GetCol() == 4) &&
          (ev.GetRow() == 0) &&
 
     if ( (ev.GetCol() == 4) &&
          (ev.GetRow() == 0) &&
-     (wxMessageBox(_T("Are you sure you wish to finish editing this cell"),
-                   _T("Checking"),wxYES_NO) == wxNO ) ) {
+     (wxMessageBox(wxT("Are you sure you wish to finish editing this cell"),
+                   wxT("Checking"),wxYES_NO) == wxNO ) ) {
 
         ev.Veto();
         return;
 
         ev.Veto();
         return;
@@ -1120,6 +1213,13 @@ void GridFrame::About(  wxCommandEvent& WXUNUSED(ev) )
     aboutInfo.AddDeveloper(wxT("Julian Smart"));
     aboutInfo.AddDeveloper(wxT("Vadim Zeitlin"));
 
     aboutInfo.AddDeveloper(wxT("Julian Smart"));
     aboutInfo.AddDeveloper(wxT("Vadim Zeitlin"));
 
+    // this is just to force the generic version of the about
+    // dialog under wxMSW so that it's easy to test if the grid
+    // repaints correctly when it has lost focus and a dialog
+    // (different from the Windows standard message box -- it doesn't
+    // work with it for some reason) is moved over it.
+    aboutInfo.SetWebSite(wxT("http://www.wxwidgets.org"));
+
     wxAboutBox(aboutInfo);
 }
 
     wxAboutBox(aboutInfo);
 }
 
@@ -1181,9 +1281,9 @@ void GridFrame::OnVTable(wxCommandEvent& )
 {
     static long s_sizeGrid = 10000;
 
 {
     static long s_sizeGrid = 10000;
 
-    s_sizeGrid = wxGetNumberFromUser(_T("Size of the table to create"),
-                                     _T("Size: "),
-                                     _T("wxGridDemo question"),
+    s_sizeGrid = wxGetNumberFromUser(wxT("Size of the table to create"),
+                                     wxT("Size: "),
+                                     wxT("wxGridDemo question"),
                                      s_sizeGrid,
                                      0, 32000, this);
 
                                      s_sizeGrid,
                                      0, 32000, this);
 
@@ -1220,7 +1320,7 @@ void MyGridCellRenderer::Draw(wxGrid& grid,
 // ============================================================================
 
 BigGridFrame::BigGridFrame(long sizeGrid)
 // ============================================================================
 
 BigGridFrame::BigGridFrame(long sizeGrid)
-            : wxFrame(NULL, wxID_ANY, _T("Plugin Virtual Table"),
+            : wxFrame(NULL, wxID_ANY, wxT("Plugin Virtual Table"),
                       wxDefaultPosition, wxSize(500, 450))
 {
     m_grid = new wxGrid(this, wxID_ANY, wxDefaultPosition, wxDefaultSize);
                       wxDefaultPosition, wxSize(500, 450))
 {
     m_grid = new wxGrid(this, wxID_ANY, wxDefaultPosition, wxDefaultSize);
@@ -1271,11 +1371,11 @@ enum Severity
 
 static const wxString severities[] =
 {
 
 static const wxString severities[] =
 {
-    _T("wishlist"),
-    _T("minor"),
-    _T("normal"),
-    _T("major"),
-    _T("critical"),
+    wxT("wishlist"),
+    wxT("minor"),
+    wxT("normal"),
+    wxT("major"),
+    wxT("critical"),
 };
 
 static struct BugsGridData
 };
 
 static struct BugsGridData
@@ -1288,20 +1388,20 @@ static struct BugsGridData
     bool opened;
 } gs_dataBugsGrid [] =
 {
     bool opened;
 } gs_dataBugsGrid [] =
 {
-    { 18, _T("foo doesn't work"), Sev_Major, 1, _T("wxMSW"), true },
-    { 27, _T("bar crashes"), Sev_Critical, 1, _T("all"), false },
-    { 45, _T("printing is slow"), Sev_Minor, 3, _T("wxMSW"), true },
-    { 68, _T("Rectangle() fails"), Sev_Normal, 1, _T("wxMSW"), false },
+    { 18, wxT("foo doesn't work"), Sev_Major, 1, wxT("wxMSW"), true },
+    { 27, wxT("bar crashes"), Sev_Critical, 1, wxT("all"), false },
+    { 45, wxT("printing is slow"), Sev_Minor, 3, wxT("wxMSW"), true },
+    { 68, wxT("Rectangle() fails"), Sev_Normal, 1, wxT("wxMSW"), false },
 };
 
 static const wxChar *headers[Col_Max] =
 {
 };
 
 static const wxChar *headers[Col_Max] =
 {
-    _T("Id"),
-    _T("Summary"),
-    _T("Severity"),
-    _T("Priority"),
-    _T("Platform"),
-    _T("Opened?"),
+    wxT("Id"),
+    wxT("Summary"),
+    wxT("Severity"),
+    wxT("Priority"),
+    wxT("Platform"),
+    wxT("Opened?"),
 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------
@@ -1320,16 +1420,16 @@ wxString BugsGridTable::GetTypeName(int WXUNUSED(row), int col)
             // fall thorugh (TODO should be a list)
 
         case Col_Summary:
             // fall thorugh (TODO should be a list)
 
         case Col_Summary:
-            return wxString::Format(_T("%s:80"), wxGRID_VALUE_STRING);
+            return wxString::Format(wxT("%s:80"), wxGRID_VALUE_STRING);
 
         case Col_Platform:
 
         case Col_Platform:
-            return wxString::Format(_T("%s:all,MSW,GTK,other"), wxGRID_VALUE_CHOICE);
+            return wxString::Format(wxT("%s:all,MSW,GTK,other"), wxGRID_VALUE_CHOICE);
 
         case Col_Opened:
             return wxGRID_VALUE_BOOL;
     }
 
 
         case Col_Opened:
             return wxGRID_VALUE_BOOL;
     }
 
-    wxFAIL_MSG(_T("unknown column"));
+    wxFAIL_MSG(wxT("unknown column"));
 
     return wxEmptyString;
 }
 
     return wxEmptyString;
 }
@@ -1356,13 +1456,13 @@ wxString BugsGridTable::GetValue( int row, int col )
     switch ( col )
     {
         case Col_Id:
     switch ( col )
     {
         case Col_Id:
-            return wxString::Format(_T("%d"), gd.id);
+            return wxString::Format(wxT("%d"), gd.id);
 
         case Col_Priority:
 
         case Col_Priority:
-            return wxString::Format(_T("%d"), gd.prio);
+            return wxString::Format(wxT("%d"), gd.prio);
 
         case Col_Opened:
 
         case Col_Opened:
-            return gd.opened ? _T("1") : _T("0");
+            return gd.opened ? wxT("1") : wxT("0");
 
         case Col_Severity:
             return severities[gd.severity];
 
         case Col_Severity:
             return severities[gd.severity];
@@ -1386,7 +1486,7 @@ void BugsGridTable::SetValue( int row, int col, const wxString& value )
         case Col_Id:
         case Col_Priority:
         case Col_Opened:
         case Col_Id:
         case Col_Priority:
         case Col_Opened:
-            wxFAIL_MSG(_T("unexpected column"));
+            wxFAIL_MSG(wxT("unexpected column"));
             break;
 
         case Col_Severity:
             break;
 
         case Col_Severity:
@@ -1403,7 +1503,7 @@ void BugsGridTable::SetValue( int row, int col, const wxString& value )
 
                 if ( n == WXSIZEOF(severities) )
                 {
 
                 if ( n == WXSIZEOF(severities) )
                 {
-                    wxLogWarning(_T("Invalid severity value '%s'."),
+                    wxLogWarning(wxT("Invalid severity value '%s'."),
                                  value.c_str());
                     gd.severity = Sev_Normal;
                 }
                                  value.c_str());
                     gd.severity = Sev_Normal;
                 }
@@ -1464,7 +1564,7 @@ long BugsGridTable::GetValueAsLong( int row, int col )
             return gd.severity;
 
         default:
             return gd.severity;
 
         default:
-            wxFAIL_MSG(_T("unexpected column"));
+            wxFAIL_MSG(wxT("unexpected column"));
             return -1;
     }
 }
             return -1;
     }
 }
@@ -1477,7 +1577,7 @@ bool BugsGridTable::GetValueAsBool( int row, int col )
     }
     else
     {
     }
     else
     {
-        wxFAIL_MSG(_T("unexpected column"));
+        wxFAIL_MSG(wxT("unexpected column"));
 
         return false;
     }
 
         return false;
     }
@@ -1494,7 +1594,7 @@ void BugsGridTable::SetValueAsLong( int row, int col, long value )
             break;
 
         default:
             break;
 
         default:
-            wxFAIL_MSG(_T("unexpected column"));
+            wxFAIL_MSG(wxT("unexpected column"));
     }
 }
 
     }
 }
 
@@ -1506,7 +1606,7 @@ void BugsGridTable::SetValueAsBool( int row, int col, bool value )
     }
     else
     {
     }
     else
     {
-        wxFAIL_MSG(_T("unexpected column"));
+        wxFAIL_MSG(wxT("unexpected column"));
     }
 }
 
     }
 }
 
@@ -1520,7 +1620,7 @@ wxString BugsGridTable::GetColLabelValue( int col )
 // ----------------------------------------------------------------------------
 
 BugsGridFrame::BugsGridFrame()
 // ----------------------------------------------------------------------------
 
 BugsGridFrame::BugsGridFrame()
-             : wxFrame(NULL, wxID_ANY, _T("Bugs table"))
+             : wxFrame(NULL, wxID_ANY, wxT("Bugs table"))
 {
     wxGrid *grid = new wxGrid(this, wxID_ANY);
     wxGridTableBase *table = new BugsGridTable();
 {
     wxGrid *grid = new wxGrid(this, wxID_ANY);
     wxGridTableBase *table = new BugsGridTable();
@@ -1565,22 +1665,34 @@ public:
         ROW_MAX = 3
     };
 
         ROW_MAX = 3
     };
 
+    TabularGridTable() { m_sortOrder = NULL; }
+
     virtual int GetNumberRows() { return ROW_MAX; }
     virtual int GetNumberCols() { return COL_MAX; }
 
     virtual wxString GetValue(int row, int col)
     {
     virtual int GetNumberRows() { return ROW_MAX; }
     virtual int GetNumberCols() { return COL_MAX; }
 
     virtual wxString GetValue(int row, int col)
     {
-        // notice that column parameter here always refers to the internal
-        // column index, independently of its position on the screen
-        static const char *filedata[][COL_MAX] =
+        if ( m_sortOrder )
+            row = m_sortOrder[row];
+
+        switch ( col )
         {
         {
-            { "autoexec", "bat",    "412", "Apr 17  2004" },
-            { "boot",     "ini",    "604", "May 27  2006" },
-            { "io",       "sys",  "40774", "May 31  1994" },
-        };
-        wxCOMPILE_TIME_ASSERT( WXSIZEOF(filedata) == ROW_MAX, Mismatch );
+            case COL_NAME:
+            case COL_EXT:
+                return GetNameOrExt(row, col);
+
+            case COL_SIZE:
+                return wxString::Format("%lu", GetSize(row));
+
+            case COL_DATE:
+                return GetDate(row).FormatDate();
 
 
-        return filedata[row][col];
+            case COL_MAX:
+            default:
+                wxFAIL_MSG( "unknown column" );
+        }
+
+        return wxString();
     }
 
     virtual void SetValue(int, int, const wxString&)
     }
 
     virtual void SetValue(int, int, const wxString&)
@@ -1590,8 +1702,10 @@ public:
 
     virtual wxString GetColLabelValue(int col)
     {
 
     virtual wxString GetColLabelValue(int col)
     {
+        // notice that column parameter here always refers to the internal
+        // column index, independently of its position on the screen
         static const char *labels[] = { "Name", "Extension", "Size", "Date" };
         static const char *labels[] = { "Name", "Extension", "Size", "Date" };
-        wxCOMPILE_TIME_ASSERT( WXSIZEOF(labels) == COL_MAX, Mismatch );
+        wxCOMPILE_TIME_ASSERT( WXSIZEOF(labels) == COL_MAX, LabelsMismatch );
 
         return labels[col];
     }
 
         return labels[col];
     }
@@ -1600,6 +1714,54 @@ public:
     {
         wxFAIL_MSG( "shouldn't be called" );
     }
     {
         wxFAIL_MSG( "shouldn't be called" );
     }
+
+    void Sort(int col, bool ascending)
+    {
+        // we hardcode all sorting orders for simplicity here
+        static int sortOrders[COL_MAX][2][ROW_MAX] =
+        {
+            // descending   ascending
+            { { 2, 1, 0 }, { 0, 1, 2 } },
+            { { 2, 1, 0 }, { 0, 1, 2 } },
+            { { 2, 1, 0 }, { 0, 1, 2 } },
+            { { 1, 0, 2 }, { 2, 0, 1 } },
+        };
+
+        m_sortOrder = col == wxNOT_FOUND ? NULL : sortOrders[col][ascending];
+    }
+
+private:
+    wxString GetNameOrExt(int row, int col) const
+    {
+        static const char *
+            names[] = { "autoexec.bat", "boot.ini", "io.sys" };
+        wxCOMPILE_TIME_ASSERT( WXSIZEOF(names) == ROW_MAX, NamesMismatch );
+
+        const wxString s(names[row]);
+        return col == COL_NAME ? s.BeforeFirst('.') : s.AfterLast('.');
+    }
+
+    unsigned long GetSize(int row) const
+    {
+        static const unsigned long
+            sizes[] = { 412, 604, 40774 };
+        wxCOMPILE_TIME_ASSERT( WXSIZEOF(sizes) == ROW_MAX, SizesMismatch );
+
+        return sizes[row];
+    }
+
+    wxDateTime GetDate(int row) const
+    {
+        static const char *
+            dates[] = { "2004-04-17", "2006-05-27", "1994-05-31" };
+        wxCOMPILE_TIME_ASSERT( WXSIZEOF(dates) == ROW_MAX, DatesMismatch );
+
+        wxDateTime dt;
+        dt.ParseISODate(dates[row]);
+        return dt;
+    }
+
+    int *m_sortOrder;
 };
 
 // specialized text control for column indexes entry
 };
 
 // specialized text control for column indexes entry
@@ -1678,6 +1840,18 @@ private:
         m_grid->EnableDragColMove(m_chkEnableColMove->IsChecked());
     }
 
         m_grid->EnableDragColMove(m_chkEnableColMove->IsChecked());
     }
 
+    void OnShowHideColumn(wxCommandEvent& event)
+    {
+        int col = m_txtColShowHide->GetCol();
+        if ( col != -1 )
+        {
+            m_grid->SetColSize(col,
+                               event.GetId() == wxID_ADD ? wxGRID_AUTOSIZE : 0);
+
+            UpdateOrderAndVisibility();
+        }
+    }
+
     void OnMoveColumn(wxCommandEvent&)
     {
         int col = m_txtColIndex->GetCol();
     void OnMoveColumn(wxCommandEvent&)
     {
         int col = m_txtColIndex->GetCol();
@@ -1687,7 +1861,21 @@ private:
 
         m_grid->SetColPos(col, pos);
 
 
         m_grid->SetColPos(col, pos);
 
-        UpdateOrder();
+        UpdateOrderAndVisibility();
+    }
+
+    void OnResetColumnOrder(wxCommandEvent&)
+    {
+        m_grid->ResetColPos();
+
+        UpdateOrderAndVisibility();
+    }
+
+    void OnGridColSort(wxGridEvent& event)
+    {
+        const int col = event.GetCol();
+        m_table->Sort(col, !(m_grid->IsSortingBy(col) &&
+                             m_grid->IsSortOrderAscending()));
     }
 
     void OnGridColMove(wxGridEvent& event)
     }
 
     void OnGridColMove(wxGridEvent& event)
@@ -1699,42 +1887,65 @@ private:
         event.Skip();
     }
 
         event.Skip();
     }
 
+    void OnGridColSize(wxGridSizeEvent& event)
+    {
+        // we only catch this event to react to the user showing or hiding this
+        // column using the header control menu and not because we're
+        // interested in column resizing
+        UpdateOrderAndVisibility();
+
+        event.Skip();
+    }
+
     void OnIdle(wxIdleEvent& event)
     {
         if ( m_shouldUpdateOrder )
         {
             m_shouldUpdateOrder = false;
     void OnIdle(wxIdleEvent& event)
     {
         if ( m_shouldUpdateOrder )
         {
             m_shouldUpdateOrder = false;
-            UpdateOrder();
+            UpdateOrderAndVisibility();
         }
 
         event.Skip();
     }
 
         }
 
         event.Skip();
     }
 
-    void UpdateOrder()
+    void UpdateOrderAndVisibility()
     {
         wxString s;
         for ( int pos = 0; pos < TabularGridTable::COL_MAX; pos++ )
     {
         wxString s;
         for ( int pos = 0; pos < TabularGridTable::COL_MAX; pos++ )
-            s << m_grid->GetColAt(pos) << ' ';
+        {
+            const int col = m_grid->GetColAt(pos);
+            const bool isHidden = m_grid->GetColSize(col) == 0;
+
+            if ( isHidden )
+                s << '[';
+            s << col;
+            if ( isHidden )
+                s << ']';
+
+            s << ' ';
+        }
 
         m_statOrder->SetLabel(s);
     }
 
     // controls
     wxGrid *m_grid;
 
         m_statOrder->SetLabel(s);
     }
 
     // controls
     wxGrid *m_grid;
+    TabularGridTable *m_table;
     wxCheckBox *m_chkUseNative,
                *m_chkDrawNative,
                *m_chkShowRowLabels,
                *m_chkEnableColMove;
 
     ColIndexEntry *m_txtColIndex,
     wxCheckBox *m_chkUseNative,
                *m_chkDrawNative,
                *m_chkShowRowLabels,
                *m_chkEnableColMove;
 
     ColIndexEntry *m_txtColIndex,
-                  *m_txtColPos;
+                  *m_txtColPos,
+                  *m_txtColShowHide;
 
     wxStaticText *m_statOrder;
 
     // fla for EVT_IDLE handler
     bool m_shouldUpdateOrder;
 
 
     wxStaticText *m_statOrder;
 
     // fla for EVT_IDLE handler
     bool m_shouldUpdateOrder;
 
-    DECLARE_NO_COPY_CLASS(TabularGridFrame)
+    wxDECLARE_NO_COPY_CLASS(TabularGridFrame);
     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };
 
@@ -1752,8 +1963,13 @@ BEGIN_EVENT_TABLE(TabularGridFrame, wxFrame)
                   TabularGridFrame::OnUpdateDrawNativeLabelsUI)
 
     EVT_BUTTON(wxID_APPLY, TabularGridFrame::OnMoveColumn)
                   TabularGridFrame::OnUpdateDrawNativeLabelsUI)
 
     EVT_BUTTON(wxID_APPLY, TabularGridFrame::OnMoveColumn)
+    EVT_BUTTON(wxID_RESET, TabularGridFrame::OnResetColumnOrder)
+    EVT_BUTTON(wxID_ADD, TabularGridFrame::OnShowHideColumn)
+    EVT_BUTTON(wxID_DELETE, TabularGridFrame::OnShowHideColumn)
 
 
+    EVT_GRID_COL_SORT(TabularGridFrame::OnGridColSort)
     EVT_GRID_COL_MOVE(TabularGridFrame::OnGridColMove)
     EVT_GRID_COL_MOVE(TabularGridFrame::OnGridColMove)
+    EVT_GRID_COL_SIZE(TabularGridFrame::OnGridColSize)
 
     EVT_IDLE(TabularGridFrame::OnIdle)
 END_EVENT_TABLE()
 
     EVT_IDLE(TabularGridFrame::OnIdle)
 END_EVENT_TABLE()
@@ -1766,10 +1982,11 @@ TabularGridFrame::TabularGridFrame()
     wxPanel * const panel = new wxPanel(this);
 
     // create and initialize the grid with the specified data
     wxPanel * const panel = new wxPanel(this);
 
     // create and initialize the grid with the specified data
+    m_table = new TabularGridTable;
     m_grid = new wxGrid(panel, wxID_ANY,
                         wxDefaultPosition, wxDefaultSize,
                         wxBORDER_STATIC | wxWANTS_CHARS);
     m_grid = new wxGrid(panel, wxID_ANY,
                         wxDefaultPosition, wxDefaultSize,
                         wxBORDER_STATIC | wxWANTS_CHARS);
-    m_grid->SetTable(new TabularGridTable, true, wxGrid::wxGridSelectRows);
+    m_grid->SetTable(m_table, true, wxGrid::wxGridSelectRows);
 
     m_grid->EnableDragColMove();
     m_grid->UseNativeColHeader();
 
     m_grid->EnableDragColMove();
     m_grid->UseNativeColHeader();
@@ -1821,10 +2038,20 @@ TabularGridFrame::TabularGridFrame()
     wxSizer * const sizerShowCols = new wxBoxSizer(wxHORIZONTAL);
     sizerShowCols->Add(new wxStaticText(panel, wxID_ANY, "Current order:"),
                        flagsHorz);
     wxSizer * const sizerShowCols = new wxBoxSizer(wxHORIZONTAL);
     sizerShowCols->Add(new wxStaticText(panel, wxID_ANY, "Current order:"),
                        flagsHorz);
-    m_statOrder = new wxStaticText(panel, wxID_ANY, "<default>");
+    m_statOrder = new wxStaticText(panel, wxID_ANY, "<<< default >>>");
     sizerShowCols->Add(m_statOrder, flagsHorz);
     sizerShowCols->Add(m_statOrder, flagsHorz);
+    sizerShowCols->Add(new wxButton(panel, wxID_RESET, "&Reset order"));
     sizerColumns->Add(sizerShowCols, wxSizerFlags().Expand().Border(wxTOP));
 
     sizerColumns->Add(sizerShowCols, wxSizerFlags().Expand().Border(wxTOP));
 
+    wxSizer * const sizerShowHide = new wxBoxSizer(wxHORIZONTAL);
+    sizerShowHide->Add(new wxStaticText(panel, wxID_ANY, "Show/hide column:"),
+                       flagsHorz);
+    m_txtColShowHide = new ColIndexEntry(panel);
+    sizerShowHide->Add(m_txtColShowHide, flagsHorz);
+    sizerShowHide->Add(new wxButton(panel, wxID_ADD, "&Show"), flagsHorz);
+    sizerShowHide->Add(new wxButton(panel, wxID_DELETE, "&Hide"), flagsHorz);
+    sizerColumns->Add(sizerShowHide, wxSizerFlags().Expand().Border(wxTOP));
+
     sizerControls->Add(sizerColumns, wxSizerFlags(1).Expand().Border());
 
     sizerTop->Add(sizerControls, wxSizerFlags().Expand().Border());
     sizerControls->Add(sizerColumns, wxSizerFlags(1).Expand().Border());
 
     sizerTop->Add(sizerControls, wxSizerFlags().Expand().Border());
wxWidgets (Impactor)