samples/menu/menu.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        samples/menu.cpp
   3 // Purpose:     wxMenu/wxMenuBar sample
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     01.11.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1999 Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx/wx.h".
  21 #include <wx/wxprec.h>
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #ifndef WX_PRECOMP
  28     #include <wx/wx.h>
  29     #include <wx/log.h>
  30 #endif
  31
  32 #if !wxUSE_MENUS
  33     // nice try...
  34     #error "menu sample requires wxUSE_MENUS=1"
  35 #endif // wxUSE_MENUS
  36
  37 #include "copy.xpm"
  38
  39 #ifdef __WXUNIVERSAL__
  40     #include "wx/univ/theme.h"
  41
  42     WX_USE_THEME(win32);
  43     WX_USE_THEME(gtk);
  44
  45     // not implemented yet
  46     #define wxMessageBox
  47 #endif // __WXUNIVERSAL__
  48
  49 // ----------------------------------------------------------------------------
  50 // classes
  51 // ----------------------------------------------------------------------------
  52
  53 // Define a new application
  54 class MyApp: public wxApp
  55 {
  56 public:
  57     bool OnInit();
  58 };
  59
  60 // Define a new frame
  61 class MyFrame: public wxFrame
  62 {
  63 public:
  64     MyFrame();
  65
  66     virtual ~MyFrame();
  67
  68     void LogMenuEvent(const wxCommandEvent& event);
  69
  70     void OnQuit(wxCommandEvent& event);
  71     void OnAbout(wxCommandEvent& event);
  72
  73     void OnDummy(wxCommandEvent& event);
  74
  75     void OnAppendMenuItem(wxCommandEvent& event);
  76     void OnAppendSubMenu(wxCommandEvent& event);
  77     void OnDeleteMenuItem(wxCommandEvent& event);
  78     void OnInsertMenuItem(wxCommandEvent& event);
  79     void OnCheckMenuItem(wxCommandEvent& event);
  80     void OnEnableMenuItem(wxCommandEvent& event);
  81     void OnGetLabelMenuItem(wxCommandEvent& event);
  82     void OnSetLabelMenuItem(wxCommandEvent& event);
  83     void OnGetMenuItemInfo(wxCommandEvent& event);
  84
  85     void OnAppendMenu(wxCommandEvent& event);
  86     void OnInsertMenu(wxCommandEvent& event);
  87     void OnDeleteMenu(wxCommandEvent& event);
  88     void OnToggleMenu(wxCommandEvent& event);
  89     void OnEnableMenu(wxCommandEvent& event);
  90     void OnGetLabelMenu(wxCommandEvent& event);
  91     void OnSetLabelMenu(wxCommandEvent& event);
  92
  93     void OnRightDown(wxMouseEvent& event);
  94
  95     void OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event);
  96
  97 private:
  98     wxMenu *CreateDummyMenu(wxString *title);
  99
 100     wxMenuItem *GetLastMenuItem() const;
 101
 102     wxMenu     *m_menu;
 103
 104     size_t m_countDummy;
 105
 106     DECLARE_EVENT_TABLE()
 107 };
 108
 109 // A small helper class which intercepts all menu events and logs them
 110 class MyEvtHandler : public wxEvtHandler
 111 {
 112 public:
 113     MyEvtHandler(MyFrame *frame) { m_frame = frame; }
 114
 115     void OnMenuEvent(wxCommandEvent& event)
 116     {
 117         m_frame->LogMenuEvent(event);
 118
 119         event.Skip();
 120     }
 121
 122 private:
 123     MyFrame *m_frame;
 124
 125     DECLARE_EVENT_TABLE()
 126 };
 127
 128 // ----------------------------------------------------------------------------
 129 // constants
 130 // ----------------------------------------------------------------------------
 131
 132 enum
 133 {
 134     Menu_File_Quit = 100,
 135
 136     Menu_MenuBar_Toggle = 200,
 137     Menu_MenuBar_Append,
 138     Menu_MenuBar_Insert,
 139     Menu_MenuBar_Delete,
 140     Menu_MenuBar_Enable,
 141     Menu_MenuBar_GetLabel,
 142     Menu_MenuBar_SetLabel,
 143
 144     Menu_Menu_Append = 300,
 145     Menu_Menu_AppendSub,
 146     Menu_Menu_Insert,
 147     Menu_Menu_Delete,
 148     Menu_Menu_Enable,
 149     Menu_Menu_Check,
 150     Menu_Menu_GetLabel,
 151     Menu_Menu_SetLabel,
 152     Menu_Menu_GetInfo,
 153
 154     Menu_Dummy_First = 400,
 155     Menu_Dummy_Second,
 156     Menu_Dummy_Third,
 157     Menu_Dummy_Fourth,
 158     Menu_Dummy_Last,
 159
 160     Menu_Help_About = 1000,
 161
 162     Menu_Popup_ToBeDeleted = 2000,
 163     Menu_Popup_ToBeGreyed,
 164     Menu_Popup_ToBeChecked,
 165     Menu_Popup_Submenu,
 166
 167     Menu_Max
 168 };
 169
 170 // ----------------------------------------------------------------------------
 171 // event tables
 172 // ----------------------------------------------------------------------------
 173
 174 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 175     EVT_MENU(Menu_File_Quit, MyFrame::OnQuit)
 176
 177     EVT_MENU(Menu_Help_About, MyFrame::OnAbout)
 178
 179     EVT_MENU(Menu_MenuBar_Toggle,   MyFrame::OnToggleMenu)
 180     EVT_MENU(Menu_MenuBar_Append,   MyFrame::OnAppendMenu)
 181     EVT_MENU(Menu_MenuBar_Insert,   MyFrame::OnInsertMenu)
 182     EVT_MENU(Menu_MenuBar_Delete,   MyFrame::OnDeleteMenu)
 183     EVT_MENU(Menu_MenuBar_Enable,   MyFrame::OnEnableMenu)
 184     EVT_MENU(Menu_MenuBar_GetLabel, MyFrame::OnGetLabelMenu)
 185     EVT_MENU(Menu_MenuBar_SetLabel, MyFrame::OnSetLabelMenu)
 186
 187     EVT_MENU(Menu_Menu_Append,    MyFrame::OnAppendMenuItem)
 188     EVT_MENU(Menu_Menu_AppendSub, MyFrame::OnAppendSubMenu)
 189     EVT_MENU(Menu_Menu_Insert,    MyFrame::OnInsertMenuItem)
 190     EVT_MENU(Menu_Menu_Delete,    MyFrame::OnDeleteMenuItem)
 191     EVT_MENU(Menu_Menu_Enable,    MyFrame::OnEnableMenuItem)
 192     EVT_MENU(Menu_Menu_Check,     MyFrame::OnCheckMenuItem)
 193     EVT_MENU(Menu_Menu_GetLabel,  MyFrame::OnGetLabelMenuItem)
 194     EVT_MENU(Menu_Menu_SetLabel,  MyFrame::OnSetLabelMenuItem)
 195     EVT_MENU(Menu_Menu_GetInfo,   MyFrame::OnGetMenuItemInfo)
 196
 197     EVT_MENU_RANGE(Menu_Dummy_First, Menu_Dummy_Last, MyFrame::OnDummy)
 198
 199     EVT_UPDATE_UI(Menu_Menu_Check, MyFrame::OnUpdateCheckMenuItemUI)
 200
 201     EVT_RIGHT_DOWN(MyFrame::OnRightDown)
 202 END_EVENT_TABLE()
 203
 204 BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler)
 205     EVT_MENU(-1, MyEvtHandler::OnMenuEvent)
 206 END_EVENT_TABLE()
 207
 208 // ============================================================================
 209 // implementation
 210 // ============================================================================
 211
 212 // ----------------------------------------------------------------------------
 213 // MyApp
 214 // ----------------------------------------------------------------------------
 215
 216 IMPLEMENT_APP(MyApp)
 217
 218 // The `main program' equivalent, creating the windows and returning the
 219 // main frame
 220 bool MyApp::OnInit()
 221 {
 222     // Create the main frame window
 223     MyFrame* frame = new MyFrame;
 224
 225     frame->Show(TRUE);
 226
 227 #if wxUSE_STATUSBAR
 228     frame->SetStatusText("Hello, wxWindows");
 229 #endif // wxUSE_STATUSBAR
 230
 231     SetTopWindow(frame);
 232
 233     return TRUE;
 234 }
 235
 236 // ----------------------------------------------------------------------------
 237 // MyFrame
 238 // ----------------------------------------------------------------------------
 239
 240 // Define my frame constructor
 241 MyFrame::MyFrame()
 242        : wxFrame((wxFrame *)NULL, -1, "wxWindows menu sample",
 243                  wxDefaultPosition, wxSize(300, 200))
 244 {
 245     m_menu = NULL;
 246     m_countDummy = 0;
 247
 248 #if wxUSE_STATUSBAR
 249     CreateStatusBar(2);
 250 #endif // wxUSE_STATUSBAR
 251
 252     // create the menubar
 253     wxMenu *fileMenu = new wxMenu;
 254     fileMenu->Append(Menu_File_Quit, "E&xit\tAlt-X", "Quit toolbar sample");
 255
 256     // not supported just yet
 257 #ifndef __WXUNIVERSAL__
 258     wxMenuItem *itemBitmap = new wxMenuItem(fileMenu, Menu_File_Quit,
 259                                             "Quit with &bitmap\tAlt-Q");
 260     itemBitmap->SetBitmap(wxBitmap(copy_xpm));
 261     fileMenu->Append(itemBitmap);
 262 #endif // __WXUNIVERSAL__
 263
 264     wxMenu *menubarMenu = new wxMenu;
 265     menubarMenu->Append(Menu_MenuBar_Append, "&Append menu\tCtrl-A",
 266                         "Append a menu to the menubar");
 267     menubarMenu->Append(Menu_MenuBar_Insert, "&Insert menu\tCtrl-I",
 268                         "Insert a menu into the menubar");
 269     menubarMenu->Append(Menu_MenuBar_Delete, "&Delete menu\tCtrl-D",
 270                         "Delete the last menu from the menubar");
 271     menubarMenu->Append(Menu_MenuBar_Toggle, "&Toggle menu\tCtrl-T",
 272                         "Toggle the first menu in the menubar", TRUE);
 273     menubarMenu->AppendSeparator();
 274     menubarMenu->Append(Menu_MenuBar_Enable, "&Enable menu\tCtrl-E",
 275                         "Enable or disable the last menu", TRUE);
 276     menubarMenu->AppendSeparator();
 277     menubarMenu->Append(Menu_MenuBar_GetLabel, "&Get menu label\tCtrl-G",
 278                         "Get the label of the last menu");
 279     menubarMenu->Append(Menu_MenuBar_SetLabel, "&Set menu label\tCtrl-S",
 280                         "Change the label of the last menu");
 281
 282     wxMenu *menuMenu = new wxMenu;
 283     menuMenu->Append(Menu_Menu_Append, "&Append menu item\tAlt-A",
 284                      "Append a menu item to the last menu");
 285     menuMenu->Append(Menu_Menu_AppendSub, "&Append sub menu\tAlt-S",
 286                      "Append a sub menu to the last menu");
 287     menuMenu->Append(Menu_Menu_Insert, "&Insert menu item\tAlt-I",
 288                      "Insert a menu item in head of the last menu");
 289     menuMenu->Append(Menu_Menu_Delete, "&Delete menu item\tAlt-D",
 290                      "Delete the last menu item from the last menu");
 291     menuMenu->AppendSeparator();
 292     menuMenu->Append(Menu_Menu_Enable, "&Enable menu item\tAlt-E",
 293                      "Enable or disable the last menu item", TRUE);
 294     menuMenu->Append(Menu_Menu_Check, "&Check menu item\tAlt-C",
 295                      "Check or uncheck the last menu item", TRUE);
 296     menuMenu->AppendSeparator();
 297     menuMenu->Append(Menu_Menu_GetLabel, "&Get menu item label\tAlt-G",
 298                      "Get the label of the last menu item");
 299     menuMenu->Append(Menu_Menu_SetLabel, "&Set menu item label\tAlt-S",
 300                      "Change the label of the last menu item");
 301     menuMenu->AppendSeparator();
 302     menuMenu->Append(Menu_Menu_GetInfo, "Get menu item in&fo\tAlt-F",
 303                      "Show the state of the last menu item");
 304
 305     wxMenu *helpMenu = new wxMenu;
 306     helpMenu->Append(Menu_Help_About, "&About\tF1", "About menu sample");
 307
 308     wxMenuBar* menuBar = new wxMenuBar( wxMB_DOCKABLE );
 309
 310     menuBar->Append(fileMenu, "&File");
 311     menuBar->Append(menubarMenu, "Menu&bar");
 312     menuBar->Append(menuMenu, "&Menu");
 313     menuBar->Append(helpMenu, "&Help");
 314
 315     // these items should be initially checked
 316     menuBar->Check(Menu_MenuBar_Toggle, TRUE);
 317     menuBar->Check(Menu_MenuBar_Enable, TRUE);
 318     menuBar->Check(Menu_Menu_Enable, TRUE);
 319     menuBar->Check(Menu_Menu_Check, FALSE);
 320
 321     // associate the menu bar with the frame
 322     SetMenuBar(menuBar);
 323
 324     // intercept all menu events and log them in this custom event handler
 325     PushEventHandler(new MyEvtHandler(this));
 326 }
 327
 328 MyFrame::~MyFrame()
 329 {
 330     delete m_menu;
 331
 332     // delete the event handler installed in ctor
 333     PopEventHandler(TRUE);
 334 }
 335
 336 wxMenu *MyFrame::CreateDummyMenu(wxString *title)
 337 {
 338     wxMenu *menu = new wxMenu;
 339     menu->Append(Menu_Dummy_First, "First item\tCtrl-F1");
 340     menu->AppendSeparator();
 341     menu->Append(Menu_Dummy_Second, "Second item\tCtrl-F2", "", TRUE);
 342
 343     if ( title )
 344     {
 345         title->Printf("Dummy menu &%d", ++m_countDummy);
 346     }
 347
 348     return menu;
 349 }
 350
 351 wxMenuItem *MyFrame::GetLastMenuItem() const
 352 {
 353     wxMenuBar *menubar = GetMenuBar();
 354     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 355
 356     wxMenuItemList::Node *node = menu->GetMenuItems().GetLast();
 357     if ( !node )
 358     {
 359         wxLogWarning("No last item in the last menu!");
 360
 361         return NULL;
 362     }
 363     else
 364     {
 365         return node->GetData();
 366     }
 367 }
 368
 369 void MyFrame::LogMenuEvent(const wxCommandEvent& event)
 370 {
 371     int id = event.GetId();
 372     if (!GetMenuBar()->FindItem(id))
 373         return;
 374     wxString msg = wxString::Format("Menu command %d", id);
 375     if ( GetMenuBar()->FindItem(id)->IsCheckable() )
 376     {
 377         msg += wxString::Format(" (the item is currently %schecked)",
 378                                 event.IsChecked() ? "" : "not ");
 379     }
 380
 381 #if wxUSE_STATUSBAR
 382     SetStatusText(msg, 1);
 383 #endif // wxUSE_STATUSBAR
 384 }
 385
 386 // ----------------------------------------------------------------------------
 387 // menu callbacks
 388 // ----------------------------------------------------------------------------
 389
 390 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 391 {
 392     Close(TRUE);
 393 }
 394
 395 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 396 {
 397     (void)wxMessageBox("wxWindows toolbar sample",
 398                        "About wxWindows menu sample",
 399                        wxICON_INFORMATION);
 400 }
 401
 402 void MyFrame::OnDeleteMenu(wxCommandEvent& WXUNUSED(event))
 403 {
 404     wxMenuBar *mbar = GetMenuBar();
 405
 406     size_t count = mbar->GetMenuCount();
 407     if ( count == 2 )
 408     {
 409         // don't let delete the first 2 menus
 410         wxLogError("Can't delete any more menus");
 411     }
 412     else
 413     {
 414         delete mbar->Remove(count - 1);
 415     }
 416 }
 417
 418 void MyFrame::OnInsertMenu(wxCommandEvent& WXUNUSED(event))
 419 {
 420     wxString title;
 421     wxMenu *menu = CreateDummyMenu(&title);
 422     GetMenuBar()->Insert(0, menu, title);
 423 }
 424
 425 void MyFrame::OnAppendMenu(wxCommandEvent& WXUNUSED(event))
 426 {
 427     wxString title;
 428     wxMenu *menu = CreateDummyMenu(&title);
 429     GetMenuBar()->Append(menu, title);
 430 }
 431
 432 void MyFrame::OnToggleMenu(wxCommandEvent& WXUNUSED(event))
 433 {
 434     wxMenuBar *mbar = GetMenuBar();
 435     if ( !m_menu )
 436     {
 437         // hide the menu
 438         m_menu = mbar->Remove(0);
 439     }
 440     else
 441     {
 442         // restore it
 443         mbar->Insert(0, m_menu, "&File");
 444         m_menu = NULL;
 445     }
 446 }
 447
 448 void MyFrame::OnEnableMenu(wxCommandEvent& WXUNUSED(event))
 449 {
 450     wxMenuBar *mbar = GetMenuBar();
 451     size_t count = mbar->GetMenuCount();
 452
 453     static bool s_enabled = TRUE;
 454
 455     s_enabled = !s_enabled;
 456     mbar->EnableTop(count - 1, s_enabled);
 457 }
 458
 459 void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event))
 460 {
 461     wxMenuBar *mbar = GetMenuBar();
 462     size_t count = mbar->GetMenuCount();
 463
 464     wxLogMessage("The label of the last menu item is '%s'",
 465                  mbar->GetLabelTop(count - 1).c_str());
 466 }
 467
 468 void MyFrame::OnSetLabelMenu(wxCommandEvent& WXUNUSED(event))
 469 {
 470     wxMenuBar *mbar = GetMenuBar();
 471     size_t count = mbar->GetMenuCount();
 472
 473     mbar->SetLabelTop(count - 1, "Dummy label &0");
 474 }
 475
 476 void MyFrame::OnDummy(wxCommandEvent& event)
 477 {
 478     wxString s;
 479     s.Printf("Dummy item #%d", event.GetId() - Menu_Dummy_First + 1);
 480     wxMessageBox(s, "Menu sample", wxICON_INFORMATION);
 481 }
 482
 483 void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event))
 484 {
 485     wxMenuBar *menubar = GetMenuBar();
 486     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 487
 488     menu->AppendSeparator();
 489     menu->Append(Menu_Dummy_Third, "Third dummy item\tCtrl-F3",
 490                  "Checkable item", TRUE);
 491 }
 492
 493 void MyFrame::OnAppendSubMenu(wxCommandEvent& WXUNUSED(event))
 494 {
 495     wxMenuBar *menubar = GetMenuBar();
 496
 497     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 498
 499     menu->Append(Menu_Dummy_Last, "Dummy sub menu",
 500                  CreateDummyMenu(NULL), "Dummy sub menu help");
 501 }
 502
 503 void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event))
 504 {
 505     wxMenuBar *menubar = GetMenuBar();
 506     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 507
 508     size_t count = menu->GetMenuItemCount();
 509     if ( !count )
 510     {
 511         wxLogWarning("No items to delete!");
 512     }
 513     else
 514     {
 515         menu->Destroy(menu->GetMenuItems().Item(count - 1)->GetData());
 516     }
 517 }
 518
 519 void MyFrame::OnInsertMenuItem(wxCommandEvent& WXUNUSED(event))
 520 {
 521     wxMenuBar *menubar = GetMenuBar();
 522     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 523
 524     menu->Insert(0, wxMenuItem::New(menu, Menu_Dummy_Fourth,
 525                                     "Fourth dummy item\tCtrl-F4"));
 526     menu->Insert(1, wxMenuItem::New(menu, wxID_SEPARATOR, ""));
 527 }
 528
 529 void MyFrame::OnEnableMenuItem(wxCommandEvent& WXUNUSED(event))
 530 {
 531     wxMenuItem *item = GetLastMenuItem();
 532
 533     if ( item )
 534     {
 535         item->Enable(!item->IsEnabled());
 536     }
 537 }
 538
 539 void MyFrame::OnCheckMenuItem(wxCommandEvent& WXUNUSED(event))
 540 {
 541     wxMenuItem *item = GetLastMenuItem();
 542
 543     item->Toggle();
 544 }
 545
 546 void MyFrame::OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event)
 547 {
 548     wxLogNull nolog;
 549
 550     wxMenuItem *item = GetLastMenuItem();
 551
 552     event.Enable(item && item->IsCheckable());
 553 }
 554
 555 void MyFrame::OnGetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
 556 {
 557     wxMenuItem *item = GetLastMenuItem();
 558
 559     if ( item )
 560     {
 561         wxLogMessage("The label of the last menu item is '%s'",
 562                      item->GetLabel().c_str());
 563     }
 564 }
 565
 566 void MyFrame::OnSetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
 567 {
 568     wxMenuItem *item = GetLastMenuItem();
 569
 570     if ( item )
 571     {
 572         item->SetText("Dummy menu item text");
 573     }
 574 }
 575
 576 void MyFrame::OnGetMenuItemInfo(wxCommandEvent& WXUNUSED(event))
 577 {
 578     wxMenuItem *item = GetLastMenuItem();
 579
 580     if ( item )
 581     {
 582         wxString msg;
 583         msg << "The item is " << (item->IsEnabled() ? "enabled"
 584                                                     : "disabled")
 585             << '\n';
 586
 587         if ( item->IsCheckable() )
 588         {
 589             msg << "It is checkable and " << (item->IsChecked() ? "" : "un")
 590                 << "checked\n";
 591         }
 592
 593 #if wxUSE_ACCEL
 594         wxAcceleratorEntry *accel = item->GetAccel();
 595         if ( accel )
 596         {
 597             msg << "Its accelerator is ";
 598
 599             int flags = accel->GetFlags();
 600             if ( flags & wxACCEL_ALT )
 601                 msg << wxT("Alt-");
 602             if ( flags & wxACCEL_CTRL )
 603                 msg << wxT("Ctrl-");
 604             if ( flags & wxACCEL_SHIFT )
 605                 msg << wxT("Shift-");
 606
 607             int code = accel->GetKeyCode();
 608             switch ( code )
 609             {
 610                 case WXK_F1:
 611                 case WXK_F2:
 612                 case WXK_F3:
 613                 case WXK_F4:
 614                 case WXK_F5:
 615                 case WXK_F6:
 616                 case WXK_F7:
 617                 case WXK_F8:
 618                 case WXK_F9:
 619                 case WXK_F10:
 620                 case WXK_F11:
 621                 case WXK_F12:
 622                     msg << wxT('F') << code - WXK_F1 + 1;
 623                     break;
 624
 625                 // if there are any other keys wxGetAccelFromString() may return,
 626                 // we should process them here
 627
 628                 default:
 629                     if ( wxIsalnum(code) )
 630                     {
 631                         msg << (wxChar)code;
 632
 633                         break;
 634                     }
 635
 636                     wxFAIL_MSG( wxT("unknown keyboard accel") );
 637             }
 638
 639             delete accel;
 640         }
 641         else
 642         {
 643             msg << "It doesn't have an accelerator";
 644         }
 645 #endif // wxUSE_ACCEL
 646
 647         wxLogMessage(msg);
 648     }
 649 }
 650
 651 void MyFrame::OnRightDown(wxMouseEvent &event )
 652 {
 653     wxMenu menu("Test popup");
 654
 655     menu.Append(Menu_Help_About, "&About");
 656     menu.Append(Menu_Popup_Submenu, "Submenu", CreateDummyMenu(NULL));
 657     menu.Append(Menu_Popup_ToBeDeleted, "To be deleted");
 658     menu.Append(Menu_Popup_ToBeChecked, "To be checked", "", TRUE);
 659     menu.Append(Menu_Popup_ToBeGreyed, "To be greyed");
 660     menu.AppendSeparator();
 661     menu.Append(Menu_File_Quit, "E&xit");
 662
 663     menu.Delete(Menu_Popup_ToBeDeleted);
 664     menu.Check(Menu_Popup_ToBeChecked, TRUE);
 665     menu.Enable(Menu_Popup_ToBeGreyed, FALSE);
 666
 667     PopupMenu( &menu, event.GetX(), event.GetY() );
 668
 669     // test for destroying items in popup menus
 670 #if 0
 671     menu.Destroy(Menu_Popup_Submenu);
 672
 673     PopupMenu( &menu, event.GetX(), event.GetY() );
 674 #endif // 0
 675 }