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/app.h>
  29     #include <wx/frame.h>
  30     #include <wx/menu.h>
  31     #include <wx/log.h>
  32     #include <wx/textctrl.h>
  33 #endif
  34
  35 #if !wxUSE_MENUS
  36     // nice try...
  37     #error "menu sample requires wxUSE_MENUS=1"
  38 #endif // wxUSE_MENUS
  39
  40 #include "copy.xpm"
  41
  42 #ifdef __WXUNIVERSAL__
  43     #include "wx/univ/theme.h"
  44
  45     WX_USE_THEME(win32);
  46     WX_USE_THEME(gtk);
  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 protected:
  71     void OnQuit(wxCommandEvent& event);
  72     void OnClearLog(wxCommandEvent& event);
  73
  74     void OnAbout(wxCommandEvent& event);
  75
  76     void OnDummy(wxCommandEvent& event);
  77
  78     void OnAppendMenuItem(wxCommandEvent& event);
  79     void OnAppendSubMenu(wxCommandEvent& event);
  80     void OnDeleteMenuItem(wxCommandEvent& event);
  81     void OnInsertMenuItem(wxCommandEvent& event);
  82     void OnCheckMenuItem(wxCommandEvent& event);
  83     void OnEnableMenuItem(wxCommandEvent& event);
  84     void OnGetLabelMenuItem(wxCommandEvent& event);
  85     void OnSetLabelMenuItem(wxCommandEvent& event);
  86     void OnGetMenuItemInfo(wxCommandEvent& event);
  87
  88     void OnAppendMenu(wxCommandEvent& event);
  89     void OnInsertMenu(wxCommandEvent& event);
  90     void OnDeleteMenu(wxCommandEvent& event);
  91     void OnToggleMenu(wxCommandEvent& event);
  92     void OnEnableMenu(wxCommandEvent& event);
  93     void OnGetLabelMenu(wxCommandEvent& event);
  94     void OnSetLabelMenu(wxCommandEvent& event);
  95
  96     void OnRightUp(wxMouseEvent& event);
  97
  98     void OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event);
  99
 100     void OnSize(wxSizeEvent& event);
 101
 102 private:
 103     wxMenu *CreateDummyMenu(wxString *title);
 104
 105     wxMenuItem *GetLastMenuItem() const;
 106
 107     // the menu previously detached from the menubar (may be NULL)
 108     wxMenu *m_menu;
 109
 110     // the count of dummy menus already created
 111     size_t m_countDummy;
 112
 113     // the control used for logging
 114     wxTextCtrl *m_textctrl;
 115
 116     // the previous log target
 117     wxLog *m_logOld;
 118
 119     DECLARE_EVENT_TABLE()
 120 };
 121
 122 // A small helper class which intercepts all menu events and logs them
 123 class MyEvtHandler : public wxEvtHandler
 124 {
 125 public:
 126     MyEvtHandler(MyFrame *frame) { m_frame = frame; }
 127
 128     void OnMenuEvent(wxCommandEvent& event)
 129     {
 130         m_frame->LogMenuEvent(event);
 131
 132         event.Skip();
 133     }
 134
 135 private:
 136     MyFrame *m_frame;
 137
 138     DECLARE_EVENT_TABLE()
 139 };
 140
 141 // ----------------------------------------------------------------------------
 142 // constants
 143 // ----------------------------------------------------------------------------
 144
 145 enum
 146 {
 147     Menu_File_Quit = 100,
 148     Menu_File_ClearLog,
 149
 150     Menu_MenuBar_Toggle = 200,
 151     Menu_MenuBar_Append,
 152     Menu_MenuBar_Insert,
 153     Menu_MenuBar_Delete,
 154     Menu_MenuBar_Enable,
 155     Menu_MenuBar_GetLabel,
 156     Menu_MenuBar_SetLabel,
 157
 158     Menu_Menu_Append = 300,
 159     Menu_Menu_AppendSub,
 160     Menu_Menu_Insert,
 161     Menu_Menu_Delete,
 162     Menu_Menu_Enable,
 163     Menu_Menu_Check,
 164     Menu_Menu_GetLabel,
 165     Menu_Menu_SetLabel,
 166     Menu_Menu_GetInfo,
 167
 168     Menu_Dummy_First = 400,
 169     Menu_Dummy_Second,
 170     Menu_Dummy_Third,
 171     Menu_Dummy_Fourth,
 172     Menu_Dummy_Last,
 173
 174     Menu_Help_About = 1000,
 175
 176     Menu_Popup_ToBeDeleted = 2000,
 177     Menu_Popup_ToBeGreyed,
 178     Menu_Popup_ToBeChecked,
 179     Menu_Popup_Submenu,
 180
 181     Menu_Max
 182 };
 183
 184 // ----------------------------------------------------------------------------
 185 // event tables
 186 // ----------------------------------------------------------------------------
 187
 188 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 189     EVT_MENU(Menu_File_Quit,     MyFrame::OnQuit)
 190     EVT_MENU(Menu_File_ClearLog, MyFrame::OnClearLog)
 191
 192     EVT_MENU(Menu_Help_About, MyFrame::OnAbout)
 193
 194     EVT_MENU(Menu_MenuBar_Toggle,   MyFrame::OnToggleMenu)
 195     EVT_MENU(Menu_MenuBar_Append,   MyFrame::OnAppendMenu)
 196     EVT_MENU(Menu_MenuBar_Insert,   MyFrame::OnInsertMenu)
 197     EVT_MENU(Menu_MenuBar_Delete,   MyFrame::OnDeleteMenu)
 198     EVT_MENU(Menu_MenuBar_Enable,   MyFrame::OnEnableMenu)
 199     EVT_MENU(Menu_MenuBar_GetLabel, MyFrame::OnGetLabelMenu)
 200     EVT_MENU(Menu_MenuBar_SetLabel, MyFrame::OnSetLabelMenu)
 201
 202     EVT_MENU(Menu_Menu_Append,    MyFrame::OnAppendMenuItem)
 203     EVT_MENU(Menu_Menu_AppendSub, MyFrame::OnAppendSubMenu)
 204     EVT_MENU(Menu_Menu_Insert,    MyFrame::OnInsertMenuItem)
 205     EVT_MENU(Menu_Menu_Delete,    MyFrame::OnDeleteMenuItem)
 206     EVT_MENU(Menu_Menu_Enable,    MyFrame::OnEnableMenuItem)
 207     EVT_MENU(Menu_Menu_Check,     MyFrame::OnCheckMenuItem)
 208     EVT_MENU(Menu_Menu_GetLabel,  MyFrame::OnGetLabelMenuItem)
 209     EVT_MENU(Menu_Menu_SetLabel,  MyFrame::OnSetLabelMenuItem)
 210     EVT_MENU(Menu_Menu_GetInfo,   MyFrame::OnGetMenuItemInfo)
 211
 212     EVT_MENU_RANGE(Menu_Dummy_First, Menu_Dummy_Last, MyFrame::OnDummy)
 213
 214     EVT_UPDATE_UI(Menu_Menu_Check, MyFrame::OnUpdateCheckMenuItemUI)
 215
 216     EVT_RIGHT_UP(MyFrame::OnRightUp)
 217
 218     EVT_SIZE(MyFrame::OnSize)
 219 END_EVENT_TABLE()
 220
 221 BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler)
 222     EVT_MENU(-1, MyEvtHandler::OnMenuEvent)
 223 END_EVENT_TABLE()
 224
 225 // ============================================================================
 226 // implementation
 227 // ============================================================================
 228
 229 // ----------------------------------------------------------------------------
 230 // MyApp
 231 // ----------------------------------------------------------------------------
 232
 233 IMPLEMENT_APP(MyApp)
 234
 235 // The `main program' equivalent, creating the windows and returning the
 236 // main frame
 237 bool MyApp::OnInit()
 238 {
 239     // Create the main frame window
 240     MyFrame* frame = new MyFrame;
 241
 242     frame->Show(TRUE);
 243
 244 #if wxUSE_STATUSBAR
 245     frame->SetStatusText("Welcome to wxWindows menu sample");
 246 #endif // wxUSE_STATUSBAR
 247
 248     SetTopWindow(frame);
 249
 250     return TRUE;
 251 }
 252
 253 // ----------------------------------------------------------------------------
 254 // MyFrame
 255 // ----------------------------------------------------------------------------
 256
 257 // Define my frame constructor
 258 MyFrame::MyFrame()
 259        : wxFrame((wxFrame *)NULL, -1, "wxWindows menu sample",
 260                  wxDefaultPosition, wxSize(300, 200))
 261 {
 262     m_menu = NULL;
 263     m_countDummy = 0;
 264     m_logOld = NULL;
 265
 266 #if wxUSE_STATUSBAR
 267     CreateStatusBar();
 268 #endif // wxUSE_STATUSBAR
 269
 270     // create the menubar
 271     wxMenu *fileMenu = new wxMenu;
 272
 273     wxMenuItem *item = new wxMenuItem(fileMenu, Menu_File_ClearLog,
 274                                       "Clear &log\tCtrl-L");
 275     item->SetBitmap(copy_xpm);
 276     fileMenu->Append(item);
 277     fileMenu->AppendSeparator();
 278     fileMenu->Append(Menu_File_Quit, "E&xit\tAlt-X", "Quit menu sample");
 279
 280     wxMenu *menubarMenu = new wxMenu;
 281     menubarMenu->Append(Menu_MenuBar_Append, "&Append menu\tCtrl-A",
 282                         "Append a menu to the menubar");
 283     menubarMenu->Append(Menu_MenuBar_Insert, "&Insert menu\tCtrl-I",
 284                         "Insert a menu into the menubar");
 285     menubarMenu->Append(Menu_MenuBar_Delete, "&Delete menu\tCtrl-D",
 286                         "Delete the last menu from the menubar");
 287     menubarMenu->Append(Menu_MenuBar_Toggle, "&Toggle menu\tCtrl-T",
 288                         "Toggle the first menu in the menubar", TRUE);
 289     menubarMenu->AppendSeparator();
 290     menubarMenu->Append(Menu_MenuBar_Enable, "&Enable menu\tCtrl-E",
 291                         "Enable or disable the last menu", TRUE);
 292     menubarMenu->AppendSeparator();
 293     menubarMenu->Append(Menu_MenuBar_GetLabel, "&Get menu label\tCtrl-G",
 294                         "Get the label of the last menu");
 295     menubarMenu->Append(Menu_MenuBar_SetLabel, "&Set menu label\tCtrl-S",
 296                         "Change the label of the last menu");
 297
 298     wxMenu *menuMenu = new wxMenu;
 299     menuMenu->Append(Menu_Menu_Append, "&Append menu item\tAlt-A",
 300                      "Append a menu item to the last menu");
 301     menuMenu->Append(Menu_Menu_AppendSub, "&Append sub menu\tAlt-S",
 302                      "Append a sub menu to the last menu");
 303     menuMenu->Append(Menu_Menu_Insert, "&Insert menu item\tAlt-I",
 304                      "Insert a menu item in head of the last menu");
 305     menuMenu->Append(Menu_Menu_Delete, "&Delete menu item\tAlt-D",
 306                      "Delete the last menu item from the last menu");
 307     menuMenu->AppendSeparator();
 308     menuMenu->Append(Menu_Menu_Enable, "&Enable menu item\tAlt-E",
 309                      "Enable or disable the last menu item", TRUE);
 310     menuMenu->Append(Menu_Menu_Check, "&Check menu item\tAlt-C",
 311                      "Check or uncheck the last menu item", TRUE);
 312     menuMenu->AppendSeparator();
 313     menuMenu->Append(Menu_Menu_GetLabel, "&Get menu item label\tAlt-G",
 314                      "Get the label of the last menu item");
 315     menuMenu->Append(Menu_Menu_SetLabel, "&Set menu item label\tAlt-S",
 316                      "Change the label of the last menu item");
 317     menuMenu->AppendSeparator();
 318     menuMenu->Append(Menu_Menu_GetInfo, "Get menu item in&fo\tAlt-F",
 319                      "Show the state of the last menu item");
 320
 321     wxMenu *helpMenu = new wxMenu;
 322     helpMenu->Append(Menu_Help_About, "&About\tF1", "About menu sample");
 323
 324     wxMenuBar* menuBar = new wxMenuBar( wxMB_DOCKABLE );
 325
 326     menuBar->Append(fileMenu, "&File");
 327     menuBar->Append(menubarMenu, "Menu&bar");
 328     menuBar->Append(menuMenu, "&Menu");
 329     menuBar->Append(helpMenu, "&Help");
 330
 331     // these items should be initially checked
 332     menuBar->Check(Menu_MenuBar_Toggle, TRUE);
 333     menuBar->Check(Menu_MenuBar_Enable, TRUE);
 334     menuBar->Check(Menu_Menu_Enable, TRUE);
 335     menuBar->Check(Menu_Menu_Check, FALSE);
 336
 337     // associate the menu bar with the frame
 338     SetMenuBar(menuBar);
 339
 340     // intercept all menu events and log them in this custom event handler
 341     PushEventHandler(new MyEvtHandler(this));
 342
 343     // create the log text window
 344     m_textctrl = new wxTextCtrl(this, -1, _T(""),
 345                                 wxDefaultPosition, wxDefaultSize,
 346                                 wxTE_MULTILINE);
 347     m_textctrl->SetEditable(FALSE);
 348     m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_textctrl));
 349
 350     wxLogMessage(_T("Brief explanations: the commands or the \"Menu\" menu\n")
 351                  _T("append/insert/delete items to/from the last menu.\n")
 352                  _T("The commands from \"Menubar\" menu work with the\n")
 353                  _T("menubar itself.\n")
 354                  _T("Right click the band below to test popup menus.\n"));
 355 }
 356
 357 MyFrame::~MyFrame()
 358 {
 359     delete m_menu;
 360
 361     // delete the event handler installed in ctor
 362     PopEventHandler(TRUE);
 363
 364     // restore old logger
 365     delete wxLog::SetActiveTarget(m_logOld);
 366 }
 367
 368 wxMenu *MyFrame::CreateDummyMenu(wxString *title)
 369 {
 370     wxMenu *menu = new wxMenu;
 371     menu->Append(Menu_Dummy_First, "&First item\tCtrl-F1");
 372     menu->AppendSeparator();
 373     menu->Append(Menu_Dummy_Second, "&Second item\tCtrl-F2", "", TRUE);
 374
 375     if ( title )
 376     {
 377         title->Printf("Dummy menu &%d", ++m_countDummy);
 378     }
 379
 380     return menu;
 381 }
 382
 383 wxMenuItem *MyFrame::GetLastMenuItem() const
 384 {
 385     wxMenuBar *menubar = GetMenuBar();
 386     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 387
 388     wxMenuItemList::Node *node = menu->GetMenuItems().GetLast();
 389     if ( !node )
 390     {
 391         wxLogWarning("No last item in the last menu!");
 392
 393         return NULL;
 394     }
 395     else
 396     {
 397         return node->GetData();
 398     }
 399 }
 400
 401 void MyFrame::LogMenuEvent(const wxCommandEvent& event)
 402 {
 403     int id = event.GetId();
 404     if ( !GetMenuBar()->FindItem(id) )
 405         return;
 406
 407     wxString msg = wxString::Format("Menu command %d", id);
 408     if ( GetMenuBar()->FindItem(id)->IsCheckable() )
 409     {
 410         msg += wxString::Format(" (the item is currently %schecked)",
 411                                 event.IsChecked() ? "" : "not ");
 412     }
 413
 414     wxLogMessage(msg);
 415 }
 416
 417 // ----------------------------------------------------------------------------
 418 // menu callbacks
 419 // ----------------------------------------------------------------------------
 420
 421 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 422 {
 423     Close(TRUE);
 424 }
 425
 426 void MyFrame::OnClearLog(wxCommandEvent& WXUNUSED(event))
 427 {
 428     m_textctrl->Clear();
 429 }
 430
 431 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 432 {
 433 #ifdef __WXUNIVERSAL__
 434     // wxMessageBox not implemented yet
 435     wxLogMessage("wxWindows menu sample\n© 1999-2001 Vadim Zeitlin");
 436 #else
 437     (void)wxMessageBox("wxWindows menu sample\n© 1999-2001 Vadim Zeitlin",
 438                        "About wxWindows menu sample",
 439                        wxICON_INFORMATION);
 440 #endif
 441 }
 442
 443 void MyFrame::OnDeleteMenu(wxCommandEvent& WXUNUSED(event))
 444 {
 445     wxMenuBar *mbar = GetMenuBar();
 446
 447     size_t count = mbar->GetMenuCount();
 448     if ( count == 2 )
 449     {
 450         // don't let delete the first 2 menus
 451         wxLogError("Can't delete any more menus");
 452     }
 453     else
 454     {
 455         delete mbar->Remove(count - 1);
 456     }
 457 }
 458
 459 void MyFrame::OnInsertMenu(wxCommandEvent& WXUNUSED(event))
 460 {
 461     wxString title;
 462     wxMenu *menu = CreateDummyMenu(&title);
 463     GetMenuBar()->Insert(0, menu, title);
 464 }
 465
 466 void MyFrame::OnAppendMenu(wxCommandEvent& WXUNUSED(event))
 467 {
 468     wxString title;
 469     wxMenu *menu = CreateDummyMenu(&title);
 470     GetMenuBar()->Append(menu, title);
 471 }
 472
 473 void MyFrame::OnToggleMenu(wxCommandEvent& WXUNUSED(event))
 474 {
 475     wxMenuBar *mbar = GetMenuBar();
 476     if ( !m_menu )
 477     {
 478         // hide the menu
 479         m_menu = mbar->Remove(0);
 480     }
 481     else
 482     {
 483         // restore it
 484         mbar->Insert(0, m_menu, "&File");
 485         m_menu = NULL;
 486     }
 487 }
 488
 489 void MyFrame::OnEnableMenu(wxCommandEvent& event)
 490 {
 491     wxMenuBar *mbar = GetMenuBar();
 492     size_t count = mbar->GetMenuCount();
 493
 494     mbar->EnableTop(count - 1, event.IsChecked());
 495 }
 496
 497 void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event))
 498 {
 499     wxMenuBar *mbar = GetMenuBar();
 500     size_t count = mbar->GetMenuCount();
 501
 502     wxLogMessage("The label of the last menu item is '%s'",
 503                  mbar->GetLabelTop(count - 1).c_str());
 504 }
 505
 506 void MyFrame::OnSetLabelMenu(wxCommandEvent& WXUNUSED(event))
 507 {
 508     wxMenuBar *mbar = GetMenuBar();
 509     size_t count = mbar->GetMenuCount();
 510
 511     mbar->SetLabelTop(count - 1, "Dummy label &0");
 512 }
 513
 514 void MyFrame::OnDummy(wxCommandEvent& event)
 515 {
 516     wxLogMessage("Dummy item #%d", event.GetId() - Menu_Dummy_First + 1);
 517 }
 518
 519 void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event))
 520 {
 521     wxMenuBar *menubar = GetMenuBar();
 522     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 523
 524     menu->AppendSeparator();
 525     menu->Append(Menu_Dummy_Third, "&Third dummy item\tCtrl-F3",
 526                  "Checkable item", TRUE);
 527 }
 528
 529 void MyFrame::OnAppendSubMenu(wxCommandEvent& WXUNUSED(event))
 530 {
 531     wxMenuBar *menubar = GetMenuBar();
 532
 533     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 534
 535     menu->Append(Menu_Dummy_Last, "&Dummy sub menu",
 536                  CreateDummyMenu(NULL), "Dummy sub menu help");
 537 }
 538
 539 void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event))
 540 {
 541     wxMenuBar *menubar = GetMenuBar();
 542     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 543
 544     size_t count = menu->GetMenuItemCount();
 545     if ( !count )
 546     {
 547         wxLogWarning("No items to delete!");
 548     }
 549     else
 550     {
 551         menu->Destroy(menu->GetMenuItems().Item(count - 1)->GetData());
 552     }
 553 }
 554
 555 void MyFrame::OnInsertMenuItem(wxCommandEvent& WXUNUSED(event))
 556 {
 557     wxMenuBar *menubar = GetMenuBar();
 558     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 559
 560     menu->Insert(0, wxMenuItem::New(menu, Menu_Dummy_Fourth,
 561                                     "Fourth dummy item\tCtrl-F4"));
 562     menu->Insert(1, wxMenuItem::New(menu, wxID_SEPARATOR, ""));
 563 }
 564
 565 void MyFrame::OnEnableMenuItem(wxCommandEvent& WXUNUSED(event))
 566 {
 567     wxMenuItem *item = GetLastMenuItem();
 568
 569     if ( item )
 570     {
 571         item->Enable(!item->IsEnabled());
 572     }
 573 }
 574
 575 void MyFrame::OnCheckMenuItem(wxCommandEvent& WXUNUSED(event))
 576 {
 577     wxMenuItem *item = GetLastMenuItem();
 578
 579     item->Toggle();
 580 }
 581
 582 void MyFrame::OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event)
 583 {
 584     wxLogNull nolog;
 585
 586     wxMenuItem *item = GetLastMenuItem();
 587
 588     event.Enable(item && item->IsCheckable());
 589 }
 590
 591 void MyFrame::OnGetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
 592 {
 593     wxMenuItem *item = GetLastMenuItem();
 594
 595     if ( item )
 596     {
 597         wxLogMessage("The label of the last menu item is '%s'",
 598                      item->GetLabel().c_str());
 599     }
 600 }
 601
 602 void MyFrame::OnSetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
 603 {
 604     wxMenuItem *item = GetLastMenuItem();
 605
 606     if ( item )
 607     {
 608         item->SetText("Dummy menu item text");
 609     }
 610 }
 611
 612 void MyFrame::OnGetMenuItemInfo(wxCommandEvent& WXUNUSED(event))
 613 {
 614     wxMenuItem *item = GetLastMenuItem();
 615
 616     if ( item )
 617     {
 618         wxString msg;
 619         msg << "The item is " << (item->IsEnabled() ? "enabled"
 620                                                     : "disabled")
 621             << '\n';
 622
 623         if ( item->IsCheckable() )
 624         {
 625             msg << "It is checkable and " << (item->IsChecked() ? "" : "un")
 626                 << "checked\n";
 627         }
 628
 629 #if wxUSE_ACCEL
 630         wxAcceleratorEntry *accel = item->GetAccel();
 631         if ( accel )
 632         {
 633             msg << "Its accelerator is ";
 634
 635             int flags = accel->GetFlags();
 636             if ( flags & wxACCEL_ALT )
 637                 msg << wxT("Alt-");
 638             if ( flags & wxACCEL_CTRL )
 639                 msg << wxT("Ctrl-");
 640             if ( flags & wxACCEL_SHIFT )
 641                 msg << wxT("Shift-");
 642
 643             int code = accel->GetKeyCode();
 644             switch ( code )
 645             {
 646                 case WXK_F1:
 647                 case WXK_F2:
 648                 case WXK_F3:
 649                 case WXK_F4:
 650                 case WXK_F5:
 651                 case WXK_F6:
 652                 case WXK_F7:
 653                 case WXK_F8:
 654                 case WXK_F9:
 655                 case WXK_F10:
 656                 case WXK_F11:
 657                 case WXK_F12:
 658                     msg << wxT('F') << code - WXK_F1 + 1;
 659                     break;
 660
 661                 // if there are any other keys wxGetAccelFromString() may return,
 662                 // we should process them here
 663
 664                 default:
 665                     if ( wxIsalnum(code) )
 666                     {
 667                         msg << (wxChar)code;
 668
 669                         break;
 670                     }
 671
 672                     wxFAIL_MSG( wxT("unknown keyboard accel") );
 673             }
 674
 675             delete accel;
 676         }
 677         else
 678         {
 679             msg << "It doesn't have an accelerator";
 680         }
 681 #endif // wxUSE_ACCEL
 682
 683         wxLogMessage(msg);
 684     }
 685 }
 686
 687 void MyFrame::OnRightUp(wxMouseEvent &event)
 688 {
 689     wxMenu menu("Test popup");
 690
 691     menu.Append(Menu_Help_About, "&About");
 692     menu.Append(Menu_Popup_Submenu, "&Submenu", CreateDummyMenu(NULL));
 693     menu.Append(Menu_Popup_ToBeDeleted, "To be &deleted");
 694     menu.Append(Menu_Popup_ToBeChecked, "To be &checked", "", TRUE);
 695     menu.Append(Menu_Popup_ToBeGreyed, "To be &greyed");
 696     menu.AppendSeparator();
 697     menu.Append(Menu_File_Quit, "E&xit");
 698
 699     menu.Delete(Menu_Popup_ToBeDeleted);
 700     menu.Check(Menu_Popup_ToBeChecked, TRUE);
 701     menu.Enable(Menu_Popup_ToBeGreyed, FALSE);
 702
 703     PopupMenu(&menu, event.GetX(), event.GetY());
 704
 705     // test for destroying items in popup menus
 706 #if 0 // doesn't work in wxGTK!
 707     menu.Destroy(Menu_Popup_Submenu);
 708
 709     PopupMenu( &menu, event.GetX(), event.GetY() );
 710 #endif // 0
 711 }
 712
 713 void MyFrame::OnSize(wxSizeEvent& event)
 714 {
 715     // leave a band below for popup menu testing
 716     wxSize size = GetClientSize();
 717     m_textctrl->SetSize(0, 0, size.x, (3*size.y)/4);
 718
 719     // this is really ugly but we have to do it as we can't just call
 720     // event.Skip() because wxFrameBase would make the text control fill the
 721     // entire frame then
 722 #ifdef __WXUNIVERSAL__
 723     PositionMenuBar();
 724 #endif // __WXUNIVERSAL__
 725 }
 726