]> git.saurik.com Git - wxWidgets.git/blobdiff - samples/ownerdrw/ownerdrw.cpp
Use template class instead of template function in wxVectorSort().
[wxWidgets.git] / samples / ownerdrw / ownerdrw.cpp
index 741ddec001375e4759ec9d8f4d48f423058855e4..52b6c84518a5feccfe4dc063cc23cb39dd2fd32f 100644 (file)
@@ -2,7 +2,7 @@
 // Name:        ownerdrw.cpp
 // Purpose:     Owner-draw sample, for Windows
 // Author:      Vadim Zeitlin
-// Modified by: 
+// Modified by:
 // Created:     13.11.97
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-  #pragma hdrstop
+    #pragma hdrstop
 #endif
 
 #ifndef WX_PRECOMP
-  #include "wx/wx.h"
+    #include "wx/wx.h"
 #endif
 
 #include  "wx/ownerdrw.h"
 #include  "wx/menuitem.h"
-#include  "wx/msw/checklst.h"
+#include  "wx/checklst.h"
 
 // Define a new application type
 class OwnerDrawnApp: public wxApp
 {
 public:
-  bool OnInit();
+    bool OnInit();
 };
 
 // Define a new frame type
 class OwnerDrawnFrame : public wxFrame
 {
 public:
-  // ctor & dtor
-  OwnerDrawnFrame(wxFrame *frame, char *title, int x, int y, int w, int h);
-  ~OwnerDrawnFrame();
+    // ctor & dtor
+    OwnerDrawnFrame(wxFrame *frame, const wxChar *title, int x, int y, int w, int h);
+    ~OwnerDrawnFrame(){};
 
-  // notifications
-  void OnQuit             (wxCommandEvent& event);
-  void OnAbout            (wxCommandEvent& event);
-  void OnListboxSelect    (wxCommandEvent& event);
-  void OnCheckboxToggle   (wxCommandEvent& event);
-  void OnListboxDblClick  (wxCommandEvent& event);
-  bool OnClose            ()                        { return TRUE; }
+    // notifications
+    void OnQuit             (wxCommandEvent& event);
+    void OnMenuToggle       (wxCommandEvent& event);
+    void OnAbout            (wxCommandEvent& event);
+    void OnListboxSelect    (wxCommandEvent& event);
+    void OnCheckboxToggle   (wxCommandEvent& event);
+    void OnListboxDblClick  (wxCommandEvent& event);
+    bool OnClose            ()                        { return true; }
 
-  DECLARE_EVENT_TABLE()
+    DECLARE_EVENT_TABLE()
 
 private:
-  void InitMenu();
+    void InitMenu();
 
-  wxCheckListBox *m_pListBox;
+    wxCheckListBox *m_pListBox;
+    wxMenuItem *pAboutItem;
 };
 
-enum 
-{ 
-  Menu_Quit = 1, 
-  Menu_First = 100,
-  Menu_Test1, Menu_Test2, Menu_Test3, 
-  Menu_Bitmap, Menu_Bitmap2, 
-  Menu_Submenu, Menu_Sub1, Menu_Sub2, Menu_Sub3,
-  Control_First = 1000,
-  Control_Listbox, Control_Listbox2,
+enum
+{
+    Menu_Quit = 1,
+    Menu_First = 100,
+    Menu_Test1, Menu_Test2, Menu_Test3,
+    Menu_Bitmap, Menu_Bitmap2,
+    Menu_Submenu, Menu_Sub1, Menu_Sub2, Menu_Sub3,
+    Menu_Toggle, Menu_About,
+    Menu_Drawn1, Menu_Drawn2, Menu_Drawn3, Menu_Drawn4, Menu_Drawn5,
+    Menu_Native1, Menu_Native2, Menu_Native3, Menu_Native4, Menu_Native5,
+    Control_First = 1000,
+    Control_Listbox, Control_Listbox2
 };
 
 BEGIN_EVENT_TABLE(OwnerDrawnFrame, wxFrame)
-  EVT_MENU(Menu_Quit, OwnerDrawnFrame::OnQuit)
-  EVT_LISTBOX(Control_Listbox, OwnerDrawnFrame::OnListboxSelect)
-  EVT_CHECKLISTBOX(Control_Listbox, OwnerDrawnFrame::OnCheckboxToggle)
-  EVT_COMMAND(Control_Listbox, wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, 
-              OwnerDrawnFrame::OnListboxDblClick)
+    EVT_MENU(Menu_Toggle, OwnerDrawnFrame::OnMenuToggle)
+    EVT_MENU(Menu_About, OwnerDrawnFrame::OnAbout)
+    EVT_MENU(Menu_Quit, OwnerDrawnFrame::OnQuit)
+    EVT_LISTBOX(Control_Listbox, OwnerDrawnFrame::OnListboxSelect)
+    EVT_CHECKLISTBOX(Control_Listbox, OwnerDrawnFrame::OnCheckboxToggle)
+    EVT_COMMAND(Control_Listbox, wxEVT_COMMAND_LISTBOX_DOUBLECLICKED,
+                OwnerDrawnFrame::OnListboxDblClick)
 END_EVENT_TABLE()
 
-IMPLEMENT_APP(OwnerDrawnApp);
+IMPLEMENT_APP(OwnerDrawnApp)
 
 // init our app: create windows
 bool OwnerDrawnApp::OnInit(void)
 {
-  OwnerDrawnFrame *pFrame = new OwnerDrawnFrame(NULL, "wxWindows Ownerdraw Sample",
-                                                50, 50, 450, 340);
-  SetTopWindow(pFrame);
+    if ( !wxApp::OnInit() )
+        return false;
+
+    OwnerDrawnFrame *pFrame
+        = new OwnerDrawnFrame(NULL, wxT("wxWidgets Ownerdraw Sample"),
+                              50, 50, 450, 340);
 
-  return TRUE;
+    SetTopWindow(pFrame);
+
+    return true;
 }
 
 // create the menu bar for the main frame
 void OwnerDrawnFrame::InitMenu()
 {
-  // Make a menubar
-  wxMenu *file_menu = new wxMenu,
-         *sub_menu  = new wxMenu;
-
-  // vars used for menu construction
-  wxMenuItem *pItem;
-  wxFont fontLarge(18, wxROMAN, wxNORMAL, wxBOLD, FALSE),
-         fontUlined(12, wxDEFAULT, wxNORMAL, wxNORMAL, TRUE),
-         fontItalic(12, wxMODERN, wxITALIC, wxBOLD, FALSE),
-         // should be at least of the size of bitmaps
-         fontBmp(14, wxDEFAULT, wxNORMAL, wxNORMAL, FALSE);
-
-  // sorry for my artistic skills...
-  wxBitmap bmpBell("bell"), bmpSound("sound"), bmpNoSound("nosound");
-
-  // construct submenu
-  pItem = new wxMenuItem(sub_menu, Menu_Sub1, "Submenu &first", "large", TRUE);
-  pItem->SetFont(fontLarge);
-  sub_menu->Append(pItem);
-  
-  pItem = new wxMenuItem(sub_menu, Menu_Sub2, "Submenu &second", "italic", TRUE);
-  pItem->SetFont(fontItalic);
-  sub_menu->Append(pItem);
-  
-  pItem = new wxMenuItem(sub_menu, Menu_Sub3, "Submenu &third", "underlined", TRUE);
-  pItem->SetFont(fontUlined);
-  sub_menu->Append(pItem);
-  
-  // construct menu
-  pItem = new wxMenuItem(file_menu, Menu_Test1, "&Uncheckable", "red item");
-  pItem->SetFont(*wxITALIC_FONT);
-  pItem->SetTextColour(wxColor(255, 0, 0));
-  pItem->SetMarginWidth(23);
-  file_menu->Append(pItem);
-
-  pItem = new wxMenuItem(file_menu, Menu_Test2, "&Checkable", "checkable item", TRUE);
-  pItem->SetFont(*wxSMALL_FONT);
-  file_menu->Append(pItem);
-  file_menu->Check(Menu_Test2, TRUE);
-
-  pItem = new wxMenuItem(file_menu, Menu_Test3, "&Disabled", "disabled item");
-  pItem->SetFont(*wxNORMAL_FONT);
-  file_menu->Append(pItem);
-  file_menu->Enable(Menu_Test3, FALSE);
-
-  file_menu->AppendSeparator();
-
-  pItem = new wxMenuItem(file_menu, Menu_Bitmap, "&Bell", "check/uncheck me!", TRUE);
-  pItem->SetFont(fontBmp);
-  pItem->SetBitmaps(bmpBell);
-  file_menu->Append(pItem);
-
-  pItem = new wxMenuItem(file_menu, Menu_Bitmap2, "So&und", "icon changes!", TRUE);
-  pItem->SetFont(fontBmp);
-  pItem->SetBitmaps(bmpSound, bmpNoSound);
-  file_menu->Append(pItem);
-
-  file_menu->AppendSeparator();
-
-  pItem = new wxMenuItem(file_menu, Menu_Submenu, "&Sub menu", "", TRUE, sub_menu);
-  pItem->SetFont(*wxSWISS_FONT);
-  file_menu->Append(pItem);
-
-  file_menu->AppendSeparator();
-  file_menu->Append(Menu_Quit, "&Quit", "Normal item");
-
-  wxMenuBar *menu_bar = new wxMenuBar;
-
-  menu_bar->Append(file_menu, "&File");
-  SetMenuBar(menu_bar);
+    // Make a menubar
+    wxMenuItem *pItem;
+    wxMenu *file_menu = new wxMenu;
+
+#ifndef __WXUNIVERSAL__
+    wxMenu *sub_menu  = new wxMenu;
+
+    // vars used for menu construction
+    wxFont fontLarge(18, wxROMAN, wxNORMAL, wxBOLD, false),
+           fontUlined(12, wxDEFAULT, wxNORMAL, wxNORMAL, true),
+           fontItalic(12, wxMODERN, wxITALIC, wxBOLD, false),
+           // should be at least of the size of bitmaps
+           fontBmp(14, wxDEFAULT, wxNORMAL, wxNORMAL, false);
+
+    // sorry for my artistic skills...
+    wxBitmap bmpBell(wxT("bell")),
+             bmpSound(wxT("sound")),
+             bmpNoSound(wxT("nosound")),
+             bmpInfo(wxT("info")),
+             bmpInfo_mono(wxT("info_mono"));
+
+    // construct submenu
+    pItem = new wxMenuItem(sub_menu, Menu_Sub1, wxT("Submenu &first"), wxT("large"));
+
+    pItem->SetFont(fontLarge);
+    sub_menu->Append(pItem);
+
+    pItem = new wxMenuItem(sub_menu, Menu_Sub2, wxT("Submenu &second"), wxT("italic"),
+                           wxITEM_CHECK);
+    pItem->SetFont(fontItalic);
+    sub_menu->Append(pItem);
+
+    pItem = new wxMenuItem(sub_menu, Menu_Sub3, wxT("Submenu &third"), wxT("underlined"),
+                           wxITEM_CHECK);
+    pItem->SetFont(fontUlined);
+    sub_menu->Append(pItem);
+
+    // construct menu
+    pItem = new wxMenuItem(file_menu, Menu_Test1, wxT("&Uncheckable"), wxT("red item"));
+    pItem->SetFont(*wxITALIC_FONT);
+    pItem->SetTextColour(wxColor(255, 0, 0));
+    file_menu->Append(pItem);
+
+    pItem = new wxMenuItem(file_menu, Menu_Test2, wxT("&Checkable"),
+                           wxT("checkable item"), wxITEM_CHECK);
+    pItem->SetFont(*wxSMALL_FONT);
+    file_menu->Append(pItem);
+    file_menu->Check(Menu_Test2, true);
+
+    pItem = new wxMenuItem(file_menu, Menu_Test3, wxT("&Disabled"), wxT("disabled item"));
+    pItem->SetFont(*wxNORMAL_FONT);
+    file_menu->Append(pItem);
+    file_menu->Enable(Menu_Test3, false);
+
+    file_menu->AppendSeparator();
+
+    pItem = new wxMenuItem(file_menu, Menu_Bitmap, wxT("&Bell"),
+                           wxT("check/uncheck me!"), wxITEM_CHECK);
+    pItem->SetFont(fontBmp);
+    pItem->SetBitmaps(bmpBell);
+    file_menu->Append(pItem);
+
+    pItem = new wxMenuItem(file_menu, Menu_Bitmap2, wxT("So&und"),
+                           wxT("icon changes!"), wxITEM_CHECK);
+    pItem->SetFont(fontBmp);
+    pItem->SetBitmaps(bmpSound, bmpNoSound);
+    file_menu->Append(pItem);
+
+    file_menu->AppendSeparator();
+
+    pItem = new wxMenuItem(file_menu, Menu_Submenu, wxT("&Sub menu"), wxT(""),
+                           wxITEM_CHECK, sub_menu);
+    pItem->SetFont(*wxSWISS_FONT);
+    file_menu->Append(pItem);
+
+    file_menu->AppendSeparator();
+    pItem = new wxMenuItem(file_menu, Menu_Toggle, wxT("&Disable/Enable\tCtrl+D"),
+                          wxT("enables/disables the About-Item"), wxITEM_NORMAL);
+    pItem->SetFont(*wxNORMAL_FONT);
+    file_menu->Append(pItem);
+
+    // Of course Ctrl+RatherLongAccel will not work in this example:
+    pAboutItem = new wxMenuItem(file_menu, Menu_About, wxT("&About\tCtrl+RatherLongAccel"),
+                                wxT("display program information"), wxITEM_NORMAL);
+    pAboutItem->SetBitmap(bmpInfo);
+    pAboutItem->SetDisabledBitmap(bmpInfo_mono);
+    file_menu->Append(pAboutItem);
+
+    file_menu->AppendSeparator();
+#endif
+
+    pItem = new wxMenuItem(file_menu, Menu_Quit, wxT("&Quit"), wxT("Normal item"),
+                           wxITEM_NORMAL);
+    file_menu->Append(pItem);
+
+    wxMenu* drawn_menu = new wxMenu;
+    pItem = new wxMenuItem(drawn_menu, Menu_Drawn1, wxT("&Menu item\tCtrl+K"));
+    drawn_menu->Append(pItem);
+
+    drawn_menu->AppendSeparator();
+
+    pItem = new wxMenuItem(drawn_menu, Menu_Drawn2, wxT("&Cheked item"),
+        wxT("check/uncheck me!"), wxITEM_CHECK);
+    drawn_menu->Append(pItem);
+    drawn_menu->Check(Menu_Drawn2, true);
+
+    pItem = new wxMenuItem(drawn_menu, Menu_Drawn3, wxT("&Radio item"),
+        wxT("check/uncheck me!"), wxITEM_RADIO);
+    drawn_menu->Append(pItem);
+
+    drawn_menu->AppendSeparator();
+
+    pItem = new wxMenuItem(drawn_menu, Menu_Drawn4, wxT("&Disabled item\tCtrl+RatherLongAccel"),
+        wxT("disabled item"));
+    pItem->Enable(false);
+    drawn_menu->Append(pItem);
+
+    pItem = new wxMenuItem(drawn_menu, Menu_Drawn5, wxT("&Other\tCtrl+O"), wxT("other item"));
+    pItem->SetTextColour(*wxRED);
+    drawn_menu->Append(pItem);
+
+    wxMenu* native_menu = new wxMenu;
+    pItem = new wxMenuItem(native_menu, Menu_Native1, wxT("&Menu item\tCtrl+K"));
+    native_menu->Append(pItem);
+
+    native_menu->AppendSeparator();
+
+    pItem = new wxMenuItem(native_menu, Menu_Native2, wxT("&Cheked item"),
+        wxT("check/uncheck me!"), wxITEM_CHECK);
+    native_menu->Append(pItem);
+    native_menu->Check(Menu_Native2, true);
+
+    pItem = new wxMenuItem(native_menu, Menu_Native3, wxT("&Radio item"),
+        wxT("check/uncheck me!"), wxITEM_RADIO);
+    native_menu->Append(pItem);
+
+    native_menu->AppendSeparator();
+
+    pItem = new wxMenuItem(native_menu, Menu_Native4, wxT("&Disabled item\tCtrl+RatherLongAccel"),
+        wxT("disabled item"));
+    pItem->Enable(false);
+    native_menu->Append(pItem);
+
+    pItem = new wxMenuItem(native_menu, Menu_Native5, wxT("&Other\tCtrl+O"), wxT("other item"));
+    native_menu->Append(pItem);
+
+    wxMenuBar *menu_bar = new wxMenuBar;
+
+    menu_bar->Append(file_menu, wxT("&File"));
+    menu_bar->Append(drawn_menu, wxT("&Drawn"));
+    menu_bar->Append(native_menu, wxT("&Native"));
+    SetMenuBar(menu_bar);
 }
 
 // main frame constructor
-OwnerDrawnFrame::OwnerDrawnFrame(wxFrame *frame, char *title, int x, int y, int w, int h)
-         : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
+OwnerDrawnFrame::OwnerDrawnFrame(wxFrame *frame, const wxChar *title,
+                                 int x, int y, int w, int h)
+         : wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
 {
-  // set the icon
-  SetIcon(wxIcon("mondrian"));
-
-  // create the menu
-  InitMenu();
-
-  // make a panel with some controls
-  wxPanel *pPanel = new wxPanel(this, -1, wxPoint(0, 0), 
-                                wxSize(400, 200), wxTAB_TRAVERSAL);
-
-  // check list box
-  static const char* aszChoices[] = { "Hello", "world", "and", 
-                                      "goodbye", "cruel", "world",
-                                      "-------", "owner-drawn", "listbox" };
-
-  wxString *astrChoices = new wxString[WXSIZEOF(aszChoices)];
-  unsigned int ui;
-  for ( ui = 0; ui < WXSIZEOF(aszChoices); ui++ )
-    astrChoices[ui] = aszChoices[ui];
-
-  m_pListBox = new wxCheckListBox
-                   (                                             
-                     pPanel,             // parent               
-                     Control_Listbox,    // control id           
-                     wxPoint(10, 10),    // listbox poistion     
-                     wxSize(200, 200),   // listbox size         
-                     WXSIZEOF(aszChoices), // number of strings    
-                     astrChoices         // array of strings
-                   );                                            
-                                                                            
-  delete [] astrChoices;
-
-  for ( ui = 0; ui < WXSIZEOF(aszChoices); ui += 2 ) {
-    m_pListBox->GetItem(ui)->SetBackgroundColour(wxColor(200, 200, 200));
-  }
-
-  m_pListBox->Check(2);
-
-  // normal (but owner-drawn) listbox
-  static const char* aszColors[] = { "Red", "Blue", "Pink",
-                                     "Green", "Yellow", 
-                                     "Black", "Violet"  };
-  struct { unsigned int r, g, b; } aColors[] = { {255,0,0}, {0,0,255}, {255,128,192},
-                                        {0,255,0}, {255,255,128}, 
-                                        {0,0,0}, {128,0,255} };
-  astrChoices = new wxString[WXSIZEOF(aszColors)];
-  for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
-    astrChoices[ui] = aszColors[ui];
-
-  wxListBox *pListBox = new wxListBox
-                           (                                             
-                             pPanel,              // parent               
-                             Control_Listbox2,    // control id           
-                             wxPoint(220, 10),    // listbox poistion     
-                             wxDefaultSize,       // listbox size         
-                             WXSIZEOF(aszColors),   // number of strings    
-                             astrChoices,         // array of strings
-                             wxLB_OWNERDRAW,      // owner-drawn
-                             wxDefaultValidator,  // 
-                             wxListBoxNameStr
-                           );
-
-  for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ ) {
-    pListBox->GetItem(ui)->SetTextColour(wxColor(aColors[ui].r,
-                                                aColors[ui].g, 
-                                                aColors[ui].b));
-    // yellow on white is horrible...
-    if ( ui == 4 )
-      pListBox->GetItem(ui)->SetBackgroundColour(wxColor(0, 0, 0));
-    
-  }
-
-  delete[] astrChoices;
-
-  // create the status line
-  const int widths[] = { -1, 60 };
-  CreateStatusBar(2);
-  SetStatusWidths(2, widths);
-  SetStatusText("no selection", 0);
-
-  Show(TRUE);
+    // set the icon
+    SetIcon(wxIcon(wxT("mondrian")));
+
+    // create the menu
+    InitMenu();
+
+#if wxUSE_STATUSBAR
+    // create the status line
+    const int widths[] = { -1, 60 };
+    CreateStatusBar(2);
+    SetStatusWidths(2, widths);
+    SetStatusText(wxT("no selection"), 0);
+#endif // wxUSE_STATUSBAR
+
+    // make a panel with some controls
+    wxPanel *pPanel = new wxPanel(this);
+
+    // check list box
+    static const wxChar* aszChoices[] = { wxT("Hello"), wxT("world"), wxT("and"),
+                                          wxT("goodbye"), wxT("cruel"), wxT("world"),
+                                          wxT("-------"), wxT("owner-drawn"), wxT("listbox") };
+
+    wxString *astrChoices = new wxString[WXSIZEOF(aszChoices)];
+    unsigned int ui;
+    for ( ui = 0; ui < WXSIZEOF(aszChoices); ui++ )
+        astrChoices[ui] = aszChoices[ui];
+
+    m_pListBox = new wxCheckListBox
+        (
+            pPanel,             // parent
+            Control_Listbox,    // control id
+            wxPoint(10, 10),    // listbox position
+            wxSize(200, 200),   // listbox size
+            WXSIZEOF(aszChoices), // number of strings
+            astrChoices         // array of strings
+        );
+
+    delete [] astrChoices;
+
+    for ( ui = 0; ui < WXSIZEOF(aszChoices); ui += 2 )
+    {
+#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
+        m_pListBox->GetItem(ui)->SetBackgroundColour(wxColor(200, 200, 200));
+#endif
+    }
+
+    m_pListBox->Check(2);
+
+    // normal (but owner-drawn) listbox
+    static const wxChar* aszColors[] = { wxT("Red"), wxT("Blue"), wxT("Pink"),
+                                         wxT("Green"), wxT("Yellow"),
+                                         wxT("Black"), wxT("Violet")  };
+
+    astrChoices = new wxString[WXSIZEOF(aszColors)];
+
+    for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
+    {
+        astrChoices[ui] = aszColors[ui];
+    }
+
+    wxListBox *pListBox = new wxListBox
+        (
+            pPanel,              // parent
+            Control_Listbox2,    // control id
+            wxPoint(220, 10),    // listbox position
+            wxSize(200, 200),    // listbox size
+            WXSIZEOF(aszColors), // number of strings
+            astrChoices,         // array of strings
+            wxLB_OWNERDRAW       // owner-drawn
+        );
+
+#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
+
+    struct { unsigned char r, g, b; } aColors[] =
+        {
+            {255,0,0}, {0,0,255}, {255,128,192},
+            {0,255,0}, {255,255,128},
+            {0,0,0}, {128,0,255}
+        };
+
+    for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
+    {
+        pListBox->GetItem(ui)->SetTextColour(wxColor(aColors[ui].r,
+                                                     aColors[ui].g,
+                                                     aColors[ui].b));
+        // yellow on white is horrible...
+        if ( ui == 4 )
+        {
+            pListBox->GetItem(ui)->SetBackgroundColour(wxColor(0, 0, 0));
+        }
+    }
+
+#else
+    wxUnusedVar( pListBox );
+#endif
+
+    delete[] astrChoices;
+
+    Show(true);
 }
 
-OwnerDrawnFrame::~OwnerDrawnFrame()
+void OwnerDrawnFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 {
+    Close(true);
 }
 
-void OwnerDrawnFrame::OnQuit(wxCommandEvent& event)
+void OwnerDrawnFrame::OnMenuToggle(wxCommandEvent& WXUNUSED(event))
 {
-  Close(TRUE);
+    // This example shows the use of bitmaps in ownerdrawn menuitems and is not a good
+    // example on how to enable and disable menuitems - this should be done with the help of
+    // EVT_UPDATE_UI and EVT_UPDATE_UI_RANGE !
+    pAboutItem->Enable( pAboutItem->IsEnabled() ? false : true );
 }
 
-void OwnerDrawnFrame::OnAbout(wxCommandEvent& event)
+void OwnerDrawnFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {
-  wxMessageDialog dialog(this,
-                         "Demo of owner-drawn controls\n",
-                         "About wxOwnerDrawn", wxYES_NO | wxCANCEL);
-  dialog.ShowModal();
+    wxMessageDialog dialog(this,
+                           wxT("Demo of owner-drawn controls\n"),
+                           wxT("About wxOwnerDrawn"), wxYES_NO | wxCANCEL);
+    dialog.ShowModal();
 }
 
 void OwnerDrawnFrame::OnListboxSelect(wxCommandEvent& event)
 {
-  wxString strSelection;
-  unsigned int nSel = event.GetSelection();
-  strSelection.sprintf("item %d selected (%schecked)", nSel,
-                       m_pListBox->IsChecked(nSel) ? "" : "not ");
-  SetStatusText(strSelection);
+#if wxUSE_STATUSBAR
+    wxString strSelection;
+    unsigned int nSel = event.GetSelection();
+    strSelection.Printf(wxT("item %d selected (%schecked)"), nSel,
+                        m_pListBox->IsChecked(nSel) ? wxT("") : wxT("not "));
+    SetStatusText(strSelection);
+#else
+    wxUnusedVar(event);
+#endif // wxUSE_STATUSBAR
 }
 
-void OwnerDrawnFrame::OnListboxDblClick(wxCommandEvent& event)
+void OwnerDrawnFrame::OnListboxDblClick(wxCommandEvent& WXUNUSED(event))
 {
-  wxString strSelection;
-  strSelection.sprintf("item %d double clicked", m_pListBox->GetSelection());
-  wxMessageDialog dialog(this, strSelection);
-  dialog.ShowModal();
+    wxString strSelection;
+    strSelection.Printf(wxT("item %d double clicked"),
+                        m_pListBox->GetSelection());
+    wxMessageDialog dialog(this, strSelection);
+    dialog.ShowModal();
 }
 
 void OwnerDrawnFrame::OnCheckboxToggle(wxCommandEvent& event)
 {
-  wxString strSelection;
-  unsigned int nItem = event.GetInt();
-  strSelection.sprintf("item %d was %schecked", nItem,
-                       m_pListBox->IsChecked(nItem) ? "" : "un");
-  SetStatusText(strSelection);
-}
\ No newline at end of file
+#if wxUSE_STATUSBAR
+    wxString strSelection;
+    unsigned int nItem = event.GetInt();
+    strSelection.Printf(wxT("item %d was %schecked"), nItem,
+                        m_pListBox->IsChecked(nItem) ? wxT("") : wxT("un"));
+    SetStatusText(strSelection);
+#else
+    wxUnusedVar(event);
+#endif // wxUSE_STATUSBAR
+}