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/msgdlg.h"
  32     #include "wx/log.h"
  33     #include "wx/textctrl.h"
  34     #include "wx/textdlg.h"
  35 #endif
  36
  37 #if !wxUSE_MENUS
  38     // nice try...
  39     #error "menu sample requires wxUSE_MENUS=1"
  40 #endif // wxUSE_MENUS
  41
  42 // not all ports have support for EVT_CONTEXT_MENU yet, don't define
  43 // USE_CONTEXT_MENU for those which don't
  44 #if defined(__WXMOTIF__) || defined(__WXPM__) || defined(__WXX11__) || defined(__WXMGL__)
  45     #define USE_CONTEXT_MENU 0
  46 #else
  47     #define USE_CONTEXT_MENU 1
  48 #endif
  49
  50 // this sample is usefull when new port is developed
  51 // and usually new port has majority of flags turned off
  52 #if wxUSE_LOG && wxUSE_TEXTCTRL
  53     #define USE_LOG_WINDOW 1
  54 #else
  55     #define USE_LOG_WINDOW 0
  56 #endif
  57
  58 #if wxUSE_OWNER_DRAWN || defined(__WXGTK__)
  59 #include "copy.xpm"
  60 #endif
  61
  62 // ----------------------------------------------------------------------------
  63 // classes
  64 // ----------------------------------------------------------------------------
  65
  66 // Define a new application
  67 class MyApp: public wxApp
  68 {
  69 public:
  70     bool OnInit();
  71 };
  72
  73 // Define a new frame
  74 class MyFrame: public wxFrame
  75 {
  76 public:
  77     MyFrame();
  78
  79     virtual ~MyFrame();
  80
  81     void LogMenuEvent(const wxCommandEvent& event);
  82
  83 protected:
  84     void OnQuit(wxCommandEvent& event);
  85 #if USE_LOG_WINDOW
  86     void OnClearLog(wxCommandEvent& event);
  87 #endif
  88
  89     void OnAbout(wxCommandEvent& event);
  90
  91     void OnDummy(wxCommandEvent& event);
  92
  93     void OnAppendMenuItem(wxCommandEvent& event);
  94     void OnAppendSubMenu(wxCommandEvent& event);
  95     void OnDeleteMenuItem(wxCommandEvent& event);
  96     void OnInsertMenuItem(wxCommandEvent& event);
  97     void OnCheckMenuItem(wxCommandEvent& event);
  98     void OnEnableMenuItem(wxCommandEvent& event);
  99     void OnGetLabelMenuItem(wxCommandEvent& event);
 100 #if wxUSE_TEXTDLG
 101     void OnSetLabelMenuItem(wxCommandEvent& event);
 102 #endif
 103     void OnGetMenuItemInfo(wxCommandEvent& event);
 104 #if wxUSE_TEXTDLG
 105     void OnFindMenuItem(wxCommandEvent& event);
 106 #endif
 107
 108     void OnAppendMenu(wxCommandEvent& event);
 109     void OnInsertMenu(wxCommandEvent& event);
 110     void OnDeleteMenu(wxCommandEvent& event);
 111     void OnToggleMenu(wxCommandEvent& event);
 112     void OnEnableMenu(wxCommandEvent& event);
 113     void OnGetLabelMenu(wxCommandEvent& event);
 114     void OnSetLabelMenu(wxCommandEvent& event);
 115 #if wxUSE_TEXTDLG
 116     void OnFindMenu(wxCommandEvent& event);
 117 #endif
 118
 119     void OnTestNormal(wxCommandEvent& event);
 120     void OnTestCheck(wxCommandEvent& event);
 121     void OnTestRadio(wxCommandEvent& event);
 122
 123     void OnUpdateSubMenuNormal(wxUpdateUIEvent& event);
 124     void OnUpdateSubMenuCheck(wxUpdateUIEvent& event);
 125     void OnUpdateSubMenuRadio(wxUpdateUIEvent& event);
 126
 127 #if USE_CONTEXT_MENU
 128     void OnContextMenu(wxContextMenuEvent& event);
 129 #else
 130     void OnRightUp(wxMouseEvent& event)
 131         { ShowContextMenu(event.GetPosition()); }
 132 #endif
 133
 134     void OnMenuOpen(wxMenuEvent& event)
 135         {
 136 #if USE_LOG_WINDOW
 137             LogMenuOpenOrClose(event, _T("opened")); event.Skip();
 138 #endif
 139         }
 140     void OnMenuClose(wxMenuEvent& event)
 141         {
 142 #if USE_LOG_WINDOW
 143           LogMenuOpenOrClose(event, _T("closed")); event.Skip();
 144 #endif
 145        }
 146
 147     void OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event);
 148
 149     void OnSize(wxSizeEvent& event);
 150
 151 private:
 152     void LogMenuOpenOrClose(const wxMenuEvent& event, const wxChar *what);
 153     void ShowContextMenu(const wxPoint& pos);
 154
 155     wxMenu *CreateDummyMenu(wxString *title);
 156
 157     wxMenuItem *GetLastMenuItem() const;
 158
 159     // the menu previously detached from the menubar (may be NULL)
 160     wxMenu *m_menu;
 161
 162     // the count of dummy menus already created
 163     size_t m_countDummy;
 164
 165 #if USE_LOG_WINDOW
 166     // the control used for logging
 167     wxTextCtrl *m_textctrl;
 168 #endif
 169
 170     // the previous log target
 171     wxLog *m_logOld;
 172
 173     DECLARE_EVENT_TABLE()
 174 };
 175
 176 // A small helper class which intercepts all menu events and logs them
 177 class MyEvtHandler : public wxEvtHandler
 178 {
 179 public:
 180     MyEvtHandler(MyFrame *frame) { m_frame = frame; }
 181
 182     void OnMenuEvent(wxCommandEvent& event)
 183     {
 184         m_frame->LogMenuEvent(event);
 185
 186         event.Skip();
 187     }
 188
 189 private:
 190     MyFrame *m_frame;
 191
 192     DECLARE_EVENT_TABLE()
 193 };
 194
 195 // ----------------------------------------------------------------------------
 196 // constants
 197 // ----------------------------------------------------------------------------
 198
 199 enum
 200 {
 201     Menu_File_Quit = wxID_EXIT,
 202 #if USE_LOG_WINDOW
 203     Menu_File_ClearLog,
 204 #endif
 205
 206     Menu_MenuBar_Toggle = 200,
 207     Menu_MenuBar_Append,
 208     Menu_MenuBar_Insert,
 209     Menu_MenuBar_Delete,
 210     Menu_MenuBar_Enable,
 211     Menu_MenuBar_GetLabel,
 212 #if wxUSE_TEXTDLG
 213     Menu_MenuBar_SetLabel,
 214     Menu_MenuBar_FindMenu,
 215 #endif
 216
 217     Menu_Menu_Append = 300,
 218     Menu_Menu_AppendSub,
 219     Menu_Menu_Insert,
 220     Menu_Menu_Delete,
 221     Menu_Menu_Enable,
 222     Menu_Menu_Check,
 223     Menu_Menu_GetLabel,
 224 #if wxUSE_TEXTDLG
 225     Menu_Menu_SetLabel,
 226 #endif
 227     Menu_Menu_GetInfo,
 228 #if wxUSE_TEXTDLG
 229     Menu_Menu_FindItem,
 230 #endif
 231
 232     Menu_Test_Normal = 400,
 233     Menu_Test_Check,
 234     Menu_Test_Radio1,
 235     Menu_Test_Radio2,
 236     Menu_Test_Radio3,
 237
 238     Menu_SubMenu = 450,
 239     Menu_SubMenu_Normal,
 240     Menu_SubMenu_Check,
 241     Menu_SubMenu_Radio1,
 242     Menu_SubMenu_Radio2,
 243     Menu_SubMenu_Radio3,
 244
 245     Menu_Dummy_First = 500,
 246     Menu_Dummy_Second,
 247     Menu_Dummy_Third,
 248     Menu_Dummy_Fourth,
 249     Menu_Dummy_Last,
 250
 251     Menu_Help_About = wxID_ABOUT,
 252
 253     Menu_Popup_ToBeDeleted = 2000,
 254     Menu_Popup_ToBeGreyed,
 255     Menu_Popup_ToBeChecked,
 256     Menu_Popup_Submenu,
 257
 258     Menu_Max
 259 };
 260
 261 // ----------------------------------------------------------------------------
 262 // event tables
 263 // ----------------------------------------------------------------------------
 264
 265 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 266     EVT_MENU(Menu_File_Quit,     MyFrame::OnQuit)
 267 #if USE_LOG_WINDOW
 268     EVT_MENU(Menu_File_ClearLog, MyFrame::OnClearLog)
 269 #endif
 270
 271     EVT_MENU(Menu_Help_About, MyFrame::OnAbout)
 272
 273     EVT_MENU(Menu_MenuBar_Toggle,   MyFrame::OnToggleMenu)
 274     EVT_MENU(Menu_MenuBar_Append,   MyFrame::OnAppendMenu)
 275     EVT_MENU(Menu_MenuBar_Insert,   MyFrame::OnInsertMenu)
 276     EVT_MENU(Menu_MenuBar_Delete,   MyFrame::OnDeleteMenu)
 277     EVT_MENU(Menu_MenuBar_Enable,   MyFrame::OnEnableMenu)
 278     EVT_MENU(Menu_MenuBar_GetLabel, MyFrame::OnGetLabelMenu)
 279 #if wxUSE_TEXTDLG
 280     EVT_MENU(Menu_MenuBar_SetLabel, MyFrame::OnSetLabelMenu)
 281     EVT_MENU(Menu_MenuBar_FindMenu, MyFrame::OnFindMenu)
 282 #endif
 283
 284     EVT_MENU(Menu_Menu_Append,    MyFrame::OnAppendMenuItem)
 285     EVT_MENU(Menu_Menu_AppendSub, MyFrame::OnAppendSubMenu)
 286     EVT_MENU(Menu_Menu_Insert,    MyFrame::OnInsertMenuItem)
 287     EVT_MENU(Menu_Menu_Delete,    MyFrame::OnDeleteMenuItem)
 288     EVT_MENU(Menu_Menu_Enable,    MyFrame::OnEnableMenuItem)
 289     EVT_MENU(Menu_Menu_Check,     MyFrame::OnCheckMenuItem)
 290     EVT_MENU(Menu_Menu_GetLabel,  MyFrame::OnGetLabelMenuItem)
 291 #if wxUSE_TEXTDLG
 292     EVT_MENU(Menu_Menu_SetLabel,  MyFrame::OnSetLabelMenuItem)
 293 #endif
 294     EVT_MENU(Menu_Menu_GetInfo,   MyFrame::OnGetMenuItemInfo)
 295 #if wxUSE_TEXTDLG
 296     EVT_MENU(Menu_Menu_FindItem,  MyFrame::OnFindMenuItem)
 297 #endif
 298
 299     EVT_MENU(Menu_Test_Normal,    MyFrame::OnTestNormal)
 300     EVT_MENU(Menu_Test_Check,     MyFrame::OnTestCheck)
 301     EVT_MENU(Menu_Test_Radio1,    MyFrame::OnTestRadio)
 302     EVT_MENU(Menu_Test_Radio2,    MyFrame::OnTestRadio)
 303     EVT_MENU(Menu_Test_Radio3,    MyFrame::OnTestRadio)
 304
 305     EVT_UPDATE_UI(Menu_SubMenu_Normal,    MyFrame::OnUpdateSubMenuNormal)
 306     EVT_UPDATE_UI(Menu_SubMenu_Check,     MyFrame::OnUpdateSubMenuCheck)
 307     EVT_UPDATE_UI(Menu_SubMenu_Radio1,    MyFrame::OnUpdateSubMenuRadio)
 308     EVT_UPDATE_UI(Menu_SubMenu_Radio2,    MyFrame::OnUpdateSubMenuRadio)
 309     EVT_UPDATE_UI(Menu_SubMenu_Radio3,    MyFrame::OnUpdateSubMenuRadio)
 310
 311     EVT_MENU_RANGE(Menu_Dummy_First, Menu_Dummy_Last, MyFrame::OnDummy)
 312
 313     EVT_UPDATE_UI(Menu_Menu_Check, MyFrame::OnUpdateCheckMenuItemUI)
 314
 315 #if USE_CONTEXT_MENU
 316     EVT_CONTEXT_MENU(MyFrame::OnContextMenu)
 317 #else
 318     EVT_RIGHT_UP(MyFrame::OnRightUp)
 319 #endif
 320
 321     EVT_MENU_OPEN(MyFrame::OnMenuOpen)
 322     EVT_MENU_CLOSE(MyFrame::OnMenuClose)
 323
 324     EVT_SIZE(MyFrame::OnSize)
 325 END_EVENT_TABLE()
 326
 327 BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler)
 328     EVT_MENU(wxID_ANY, MyEvtHandler::OnMenuEvent)
 329 END_EVENT_TABLE()
 330
 331 // ============================================================================
 332 // implementation
 333 // ============================================================================
 334
 335 // ----------------------------------------------------------------------------
 336 // MyApp
 337 // ----------------------------------------------------------------------------
 338
 339 IMPLEMENT_APP(MyApp)
 340
 341 // The `main program' equivalent, creating the windows and returning the
 342 // main frame
 343 bool MyApp::OnInit()
 344 {
 345     // Create the main frame window
 346     MyFrame* frame = new MyFrame;
 347
 348     frame->Show(true);
 349
 350 #if wxUSE_STATUSBAR
 351     frame->SetStatusText(_T("Welcome to wxWidgets menu sample"));
 352 #endif // wxUSE_STATUSBAR
 353
 354     SetTopWindow(frame);
 355
 356     return true;
 357 }
 358
 359 // ----------------------------------------------------------------------------
 360 // MyFrame
 361 // ----------------------------------------------------------------------------
 362
 363 // Define my frame constructor
 364 MyFrame::MyFrame()
 365        : wxFrame((wxFrame *)NULL, wxID_ANY, _T("wxWidgets menu sample"))
 366 {
 367 #if USE_LOG_WINDOW
 368     m_textctrl = NULL;
 369 #endif
 370     m_menu = NULL;
 371     m_countDummy = 0;
 372     m_logOld = NULL;
 373
 374 #if wxUSE_STATUSBAR
 375     CreateStatusBar();
 376 #endif // wxUSE_STATUSBAR
 377
 378     // create the menubar
 379     wxMenu *fileMenu = new wxMenu;
 380
 381 #if USE_LOG_WINDOW
 382     wxMenuItem *item = new wxMenuItem(fileMenu, Menu_File_ClearLog,
 383                                       _T("Clear &log\tCtrl-L"));
 384 #if wxUSE_OWNER_DRAWN || defined(__WXGTK__)
 385     item->SetBitmap(copy_xpm);
 386 #endif
 387     fileMenu->Append(item);
 388     fileMenu->AppendSeparator();
 389 #endif
 390     fileMenu->Append(Menu_File_Quit, _T("E&xit\tAlt-X"), _T("Quit menu sample"));
 391
 392     wxMenu *menubarMenu = new wxMenu;
 393     menubarMenu->Append(Menu_MenuBar_Append, _T("&Append menu\tCtrl-A"),
 394                         _T("Append a menu to the menubar"));
 395     menubarMenu->Append(Menu_MenuBar_Insert, _T("&Insert menu\tCtrl-I"),
 396                         _T("Insert a menu into the menubar"));
 397     menubarMenu->Append(Menu_MenuBar_Delete, _T("&Delete menu\tCtrl-D"),
 398                         _T("Delete the last menu from the menubar"));
 399     menubarMenu->Append(Menu_MenuBar_Toggle, _T("&Toggle menu\tCtrl-T"),
 400                         _T("Toggle the first menu in the menubar"), true);
 401     menubarMenu->AppendSeparator();
 402     menubarMenu->Append(Menu_MenuBar_Enable, _T("&Enable menu\tCtrl-E"),
 403                         _T("Enable or disable the last menu"), true);
 404     menubarMenu->AppendSeparator();
 405     menubarMenu->Append(Menu_MenuBar_GetLabel, _T("&Get menu label\tCtrl-G"),
 406                         _T("Get the label of the last menu"));
 407 #if wxUSE_TEXTDLG
 408     menubarMenu->Append(Menu_MenuBar_SetLabel, _T("&Set menu label\tCtrl-S"),
 409                         _T("Change the label of the last menu"));
 410     menubarMenu->AppendSeparator();
 411     menubarMenu->Append(Menu_MenuBar_FindMenu, _T("&Find menu from label\tCtrl-F"),
 412                         _T("Find a menu by searching for its label"));
 413 #endif
 414
 415     wxMenu* subMenu = new wxMenu;
 416     subMenu->Append(Menu_SubMenu_Normal, _T("&Normal submenu item"), _T("Disabled submenu item"));
 417     subMenu->AppendCheckItem(Menu_SubMenu_Check, _T("&Check submenu item"), _T("Check submenu item"));
 418     subMenu->AppendRadioItem(Menu_SubMenu_Radio1, _T("Radio item &1"), _T("Radio item"));
 419     subMenu->AppendRadioItem(Menu_SubMenu_Radio2, _T("Radio item &2"), _T("Radio item"));
 420     subMenu->AppendRadioItem(Menu_SubMenu_Radio3, _T("Radio item &3"), _T("Radio item"));
 421
 422     menubarMenu->Append(Menu_SubMenu, _T("Submenu"), subMenu);
 423
 424     wxMenu *menuMenu = new wxMenu;
 425     menuMenu->Append(Menu_Menu_Append, _T("&Append menu item\tAlt-A"),
 426                      _T("Append a menu item to the last menu"));
 427     menuMenu->Append(Menu_Menu_AppendSub, _T("&Append sub menu\tAlt-S"),
 428                      _T("Append a sub menu to the last menu"));
 429     menuMenu->Append(Menu_Menu_Insert, _T("&Insert menu item\tAlt-I"),
 430                      _T("Insert a menu item in head of the last menu"));
 431     menuMenu->Append(Menu_Menu_Delete, _T("&Delete menu item\tAlt-D"),
 432                      _T("Delete the last menu item from the last menu"));
 433     menuMenu->AppendSeparator();
 434     menuMenu->Append(Menu_Menu_Enable, _T("&Enable menu item\tAlt-E"),
 435                      _T("Enable or disable the last menu item"), true);
 436     menuMenu->Append(Menu_Menu_Check, _T("&Check menu item\tAlt-C"),
 437                      _T("Check or uncheck the last menu item"), true);
 438     menuMenu->AppendSeparator();
 439     menuMenu->Append(Menu_Menu_GetInfo, _T("Get menu item in&fo\tAlt-F"),
 440                      _T("Show the state of the last menu item"));
 441 #if wxUSE_TEXTDLG
 442     menuMenu->Append(Menu_Menu_SetLabel, _T("Set menu item label\tAlt-L"),
 443                      _T("Set the label of a menu item"));
 444 #endif
 445 #if wxUSE_TEXTDLG
 446     menuMenu->AppendSeparator();
 447     menuMenu->Append(Menu_Menu_FindItem, _T("Find menu item from label"),
 448                      _T("Find a menu item by searching for its label"));
 449 #endif
 450
 451     wxMenu *testMenu = new wxMenu;
 452     testMenu->Append(Menu_Test_Normal, _T("&Normal item"));
 453     testMenu->AppendSeparator();
 454     testMenu->AppendCheckItem(Menu_Test_Check, _T("&Check item"));
 455     testMenu->AppendSeparator();
 456     testMenu->AppendRadioItem(Menu_Test_Radio1, _T("Radio item &1"));
 457     testMenu->AppendRadioItem(Menu_Test_Radio2, _T("Radio item &2"));
 458     testMenu->AppendRadioItem(Menu_Test_Radio3, _T("Radio item &3"));
 459
 460     wxMenu *helpMenu = new wxMenu;
 461     helpMenu->Append(Menu_Help_About, _T("&About\tF1"), _T("About menu sample"));
 462
 463     wxMenuBar* menuBar = new wxMenuBar( wxMB_DOCKABLE );
 464
 465     menuBar->Append(fileMenu, _T("&File"));
 466     menuBar->Append(menubarMenu, _T("Menu&bar"));
 467     menuBar->Append(menuMenu, _T("&Menu"));
 468     menuBar->Append(testMenu, _T("&Test"));
 469     menuBar->Append(helpMenu, _T("&Help"));
 470
 471     // these items should be initially checked
 472     menuBar->Check(Menu_MenuBar_Toggle, true);
 473     menuBar->Check(Menu_MenuBar_Enable, true);
 474     menuBar->Check(Menu_Menu_Enable, true);
 475     menuBar->Check(Menu_Menu_Check, false);
 476
 477     // associate the menu bar with the frame
 478     SetMenuBar(menuBar);
 479
 480     // intercept all menu events and log them in this custom event handler
 481     PushEventHandler(new MyEvtHandler(this));
 482
 483 #if USE_LOG_WINDOW
 484     // create the log text window
 485     m_textctrl = new wxTextCtrl(this, wxID_ANY, wxEmptyString,
 486                                 wxDefaultPosition, wxDefaultSize,
 487                                 wxTE_MULTILINE);
 488     m_textctrl->SetEditable(false);
 489
 490     wxLog::SetTimestamp(NULL);
 491     m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_textctrl));
 492
 493     wxLogMessage(_T("Brief explanations: the commands or the \"Menu\" menu ")
 494                  _T("append/insert/delete items to/from the last menu.\n")
 495                  _T("The commands from \"Menubar\" menu work with the ")
 496                  _T("menubar itself.\n\n")
 497                  _T("Right click the band below to test popup menus.\n"));
 498 #endif
 499 #ifdef __POCKETPC__
 500     EnableContextMenu();
 501 #endif
 502 }
 503
 504 MyFrame::~MyFrame()
 505 {
 506     delete m_menu;
 507
 508     // delete the event handler installed in ctor
 509     PopEventHandler(true);
 510
 511 #if USE_LOG_WINDOW
 512     // restore old logger
 513     delete wxLog::SetActiveTarget(m_logOld);
 514 #endif
 515 }
 516
 517 wxMenu *MyFrame::CreateDummyMenu(wxString *title)
 518 {
 519     wxMenu *menu = new wxMenu;
 520     menu->Append(Menu_Dummy_First, _T("&First item\tCtrl-F1"));
 521     menu->AppendSeparator();
 522     menu->AppendCheckItem(Menu_Dummy_Second, _T("&Second item\tCtrl-F2"));
 523
 524     if ( title )
 525     {
 526         title->Printf(_T("Dummy menu &%u"), (unsigned)++m_countDummy);
 527     }
 528
 529     return menu;
 530 }
 531
 532 wxMenuItem *MyFrame::GetLastMenuItem() const
 533 {
 534     wxMenuBar *menubar = GetMenuBar();
 535     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 536
 537     wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetLast();
 538     if ( !node )
 539     {
 540         wxLogWarning(_T("No last item in the last menu!"));
 541
 542         return NULL;
 543     }
 544     else
 545     {
 546         return node->GetData();
 547     }
 548 }
 549
 550 void MyFrame::LogMenuEvent(const wxCommandEvent& event)
 551 {
 552     int id = event.GetId();
 553
 554     wxString msg = wxString::Format(_T("Menu command %d"), id);
 555
 556     // catch all checkable menubar items and also the check item from the popup
 557     // menu
 558     wxMenuItem *item = GetMenuBar()->FindItem(id);
 559     if ( (item && item->IsCheckable()) || id == Menu_Popup_ToBeChecked )
 560     {
 561         msg += wxString::Format(_T(" (the item is currently %schecked)"),
 562                                 event.IsChecked() ? _T("") : _T("not "));
 563     }
 564
 565     wxLogMessage(msg);
 566 }
 567
 568 // ----------------------------------------------------------------------------
 569 // menu callbacks
 570 // ----------------------------------------------------------------------------
 571
 572 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 573 {
 574     Close(true);
 575 }
 576
 577 #if USE_LOG_WINDOW
 578 void MyFrame::OnClearLog(wxCommandEvent& WXUNUSED(event))
 579 {
 580     m_textctrl->Clear();
 581 }
 582 #endif
 583
 584 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 585 {
 586     (void)wxMessageBox(_T("wxWidgets menu sample\n(c) 1999-2001 Vadim Zeitlin"),
 587                        _T("About wxWidgets menu sample"),
 588                        wxICON_INFORMATION);
 589 }
 590
 591 void MyFrame::OnDeleteMenu(wxCommandEvent& WXUNUSED(event))
 592 {
 593     wxMenuBar *mbar = GetMenuBar();
 594
 595     size_t count = mbar->GetMenuCount();
 596     if ( count == 2 )
 597     {
 598         // don't let delete the first 2 menus
 599         wxLogError(_T("Can't delete any more menus"));
 600     }
 601     else
 602     {
 603         delete mbar->Remove(count - 1);
 604     }
 605 }
 606
 607 void MyFrame::OnInsertMenu(wxCommandEvent& WXUNUSED(event))
 608 {
 609     wxString title;
 610     wxMenu *menu = CreateDummyMenu(&title);
 611     GetMenuBar()->Insert(0, menu, title);
 612 }
 613
 614 void MyFrame::OnAppendMenu(wxCommandEvent& WXUNUSED(event))
 615 {
 616     wxString title;
 617     wxMenu *menu = CreateDummyMenu(&title);
 618     GetMenuBar()->Append(menu, title);
 619 }
 620
 621 void MyFrame::OnToggleMenu(wxCommandEvent& WXUNUSED(event))
 622 {
 623     wxMenuBar *mbar = GetMenuBar();
 624     if ( !m_menu )
 625     {
 626         // hide the menu
 627         m_menu = mbar->Remove(0);
 628     }
 629     else
 630     {
 631         // restore it
 632         mbar->Insert(0, m_menu, _T("&File"));
 633         m_menu = NULL;
 634     }
 635 }
 636
 637 void MyFrame::OnEnableMenu(wxCommandEvent& event)
 638 {
 639     wxMenuBar *mbar = GetMenuBar();
 640     size_t count = mbar->GetMenuCount();
 641
 642     mbar->EnableTop(count - 1, event.IsChecked());
 643 }
 644
 645 void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event))
 646 {
 647     wxMenuBar *mbar = GetMenuBar();
 648     size_t count = mbar->GetMenuCount();
 649
 650     wxCHECK_RET( count, _T("no last menu?") );
 651
 652     wxLogMessage(_T("The label of the last menu item is '%s'"),
 653                  mbar->GetLabelTop(count - 1).c_str());
 654 }
 655
 656 #if wxUSE_TEXTDLG
 657 void MyFrame::OnSetLabelMenu(wxCommandEvent& WXUNUSED(event))
 658 {
 659     wxMenuBar *mbar = GetMenuBar();
 660     size_t count = mbar->GetMenuCount();
 661
 662     wxCHECK_RET( count, _T("no last menu?") );
 663
 664     wxString label = wxGetTextFromUser
 665                      (
 666                         _T("Enter new label: "),
 667                         _T("Change last menu text"),
 668                         mbar->GetLabelTop(count - 1),
 669                         this
 670                      );
 671
 672     if ( !label.empty() )
 673     {
 674         mbar->SetLabelTop(count - 1, label);
 675     }
 676 }
 677
 678 void MyFrame::OnFindMenu(wxCommandEvent& WXUNUSED(event))
 679 {
 680     wxMenuBar *mbar = GetMenuBar();
 681     size_t count = mbar->GetMenuCount();
 682
 683     wxCHECK_RET( count, _T("no last menu?") );
 684
 685     wxString label = wxGetTextFromUser
 686                      (
 687                         _T("Enter label to search for: "),
 688                         _T("Find menu"),
 689                         wxEmptyString,
 690                         this
 691                      );
 692
 693     if ( !label.empty() )
 694     {
 695         int index = mbar->FindMenu(label);
 696
 697         if (index == wxNOT_FOUND)
 698         {
 699             wxLogWarning(_T("No menu with label '%s'"), label.c_str());
 700         }
 701         else
 702         {
 703             wxLogMessage(_T("Menu %d has label '%s'"), index, label.c_str());
 704         }
 705     }
 706 }
 707 #endif
 708
 709 void MyFrame::OnDummy(wxCommandEvent& event)
 710 {
 711     wxLogMessage(_T("Dummy item #%d"), event.GetId() - Menu_Dummy_First + 1);
 712 }
 713
 714 void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event))
 715 {
 716     wxMenuBar *menubar = GetMenuBar();
 717     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 718
 719     menu->AppendSeparator();
 720     menu->Append(Menu_Dummy_Third, _T("&Third dummy item\tCtrl-F3"),
 721                  _T("Checkable item"), true);
 722 }
 723
 724 void MyFrame::OnAppendSubMenu(wxCommandEvent& WXUNUSED(event))
 725 {
 726     wxMenuBar *menubar = GetMenuBar();
 727
 728     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 2);
 729
 730     menu->Append(Menu_Dummy_Last, _T("&Dummy sub menu"),
 731                  CreateDummyMenu(NULL), _T("Dummy sub menu help"));
 732 }
 733
 734 void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event))
 735 {
 736     wxMenuBar *menubar = GetMenuBar();
 737     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 738
 739     size_t count = menu->GetMenuItemCount();
 740     if ( !count )
 741     {
 742         wxLogWarning(_T("No items to delete!"));
 743     }
 744     else
 745     {
 746         menu->Destroy(menu->GetMenuItems().Item(count - 1)->GetData());
 747     }
 748 }
 749
 750 void MyFrame::OnInsertMenuItem(wxCommandEvent& WXUNUSED(event))
 751 {
 752     wxMenuBar *menubar = GetMenuBar();
 753     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 754
 755     menu->Insert(0, wxMenuItem::New(menu, Menu_Dummy_Fourth,
 756                                     _T("Fourth dummy item\tCtrl-F4")));
 757     menu->Insert(1, wxMenuItem::New(menu, wxID_SEPARATOR));
 758 }
 759
 760 void MyFrame::OnEnableMenuItem(wxCommandEvent& WXUNUSED(event))
 761 {
 762     wxMenuItem *item = GetLastMenuItem();
 763
 764     if ( item )
 765     {
 766         item->Enable(!item->IsEnabled());
 767     }
 768 }
 769
 770 void MyFrame::OnCheckMenuItem(wxCommandEvent& WXUNUSED(event))
 771 {
 772     wxMenuItem *item = GetLastMenuItem();
 773
 774     item->Toggle();
 775 }
 776
 777 void MyFrame::OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event)
 778 {
 779     wxLogNull nolog;
 780
 781     wxMenuItem *item = GetLastMenuItem();
 782
 783     event.Enable(item && item->IsCheckable());
 784 }
 785
 786 void MyFrame::OnGetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
 787 {
 788     wxMenuItem *item = GetLastMenuItem();
 789
 790     if ( item )
 791     {
 792         wxLogMessage(_T("The label of the last menu item is '%s'"),
 793                      item->GetLabel().c_str());
 794     }
 795 }
 796
 797 #if wxUSE_TEXTDLG
 798 void MyFrame::OnSetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
 799 {
 800     wxMenuItem *item = GetLastMenuItem();
 801
 802     if ( item )
 803     {
 804         wxString label = wxGetTextFromUser
 805                          (
 806                             _T("Enter new label: "),
 807                             _T("Change last menu item text"),
 808                             item->GetLabel(),
 809                             this
 810                          );
 811         label.Replace( _T("\\t"), _T("\t") );
 812
 813         if ( !label.empty() )
 814         {
 815             item->SetText(label);
 816         }
 817     }
 818 }
 819 #endif
 820
 821 void MyFrame::OnGetMenuItemInfo(wxCommandEvent& WXUNUSED(event))
 822 {
 823     wxMenuItem *item = GetLastMenuItem();
 824
 825     if ( item )
 826     {
 827         wxString msg;
 828         msg << _T("The item is ") << (item->IsEnabled() ? _T("enabled")
 829                                                     : _T("disabled"))
 830             << _T('\n');
 831
 832         if ( item->IsCheckable() )
 833         {
 834             msg << _T("It is checkable and ") << (item->IsChecked() ? _T("") : _T("un"))
 835                 << _T("checked\n");
 836         }
 837
 838 #if wxUSE_ACCEL
 839         wxAcceleratorEntry *accel = item->GetAccel();
 840         if ( accel )
 841         {
 842             msg << _T("Its accelerator is ");
 843
 844             int flags = accel->GetFlags();
 845             if ( flags & wxACCEL_ALT )
 846                 msg << _T("Alt-");
 847             if ( flags & wxACCEL_CTRL )
 848                 msg << _T("Ctrl-");
 849             if ( flags & wxACCEL_SHIFT )
 850                 msg << _T("Shift-");
 851
 852             int code = accel->GetKeyCode();
 853             switch ( code )
 854             {
 855                 case WXK_F1:
 856                 case WXK_F2:
 857                 case WXK_F3:
 858                 case WXK_F4:
 859                 case WXK_F5:
 860                 case WXK_F6:
 861                 case WXK_F7:
 862                 case WXK_F8:
 863                 case WXK_F9:
 864                 case WXK_F10:
 865                 case WXK_F11:
 866                 case WXK_F12:
 867                     msg << _T('F') << code - WXK_F1 + 1;
 868                     break;
 869
 870                 // if there are any other keys wxGetAccelFromString() may return,
 871                 // we should process them here
 872
 873                 default:
 874                     if ( wxIsalnum(code) )
 875                     {
 876                         msg << (wxChar)code;
 877
 878                         break;
 879                     }
 880
 881                     wxFAIL_MSG( _T("unknown keyboard accel") );
 882             }
 883
 884             delete accel;
 885         }
 886         else
 887         {
 888             msg << _T("It doesn't have an accelerator");
 889         }
 890 #endif // wxUSE_ACCEL
 891
 892         wxLogMessage(msg);
 893     }
 894 }
 895
 896 #if wxUSE_TEXTDLG
 897 void MyFrame::OnFindMenuItem(wxCommandEvent& WXUNUSED(event))
 898 {
 899     wxMenuBar *mbar = GetMenuBar();
 900     size_t count = mbar->GetMenuCount();
 901
 902     wxCHECK_RET( count, _T("no last menu?") );
 903
 904     wxString label = wxGetTextFromUser
 905                      (
 906                         _T("Enter label to search for: "),
 907                         _T("Find menu item"),
 908                         wxEmptyString,
 909                         this
 910                      );
 911
 912     if ( !label.empty() )
 913     {
 914         size_t menuindex;
 915         int index = wxNOT_FOUND;
 916
 917         for (menuindex = 0; (menuindex < count) && (index == wxNOT_FOUND); ++menuindex)
 918         {
 919             index = mbar->FindMenuItem(mbar->GetMenu(menuindex)->GetTitle(), label);
 920         }
 921         if (index == wxNOT_FOUND)
 922         {
 923             wxLogWarning(_T("No menu item with label '%s'"), label.c_str());
 924         }
 925         else
 926         {
 927             wxLogMessage(_T("Menu item %d in menu %lu has label '%s'"),
 928                          index, (unsigned long)menuindex, label.c_str());
 929         }
 930     }
 931 }
 932 #endif
 933
 934 void MyFrame::ShowContextMenu(const wxPoint& pos)
 935 {
 936     wxMenu menu;
 937
 938     menu.Append(Menu_Help_About, _T("&About"));
 939     menu.Append(Menu_Popup_Submenu, _T("&Submenu"), CreateDummyMenu(NULL));
 940     menu.Append(Menu_Popup_ToBeDeleted, _T("To be &deleted"));
 941     menu.AppendCheckItem(Menu_Popup_ToBeChecked, _T("To be &checked"));
 942     menu.Append(Menu_Popup_ToBeGreyed, _T("To be &greyed"),
 943                 _T("This menu item should be initially greyed out"));
 944     menu.AppendSeparator();
 945     menu.Append(Menu_File_Quit, _T("E&xit"));
 946
 947     menu.Delete(Menu_Popup_ToBeDeleted);
 948     menu.Check(Menu_Popup_ToBeChecked, true);
 949     menu.Enable(Menu_Popup_ToBeGreyed, false);
 950
 951     PopupMenu(&menu, pos.x, pos.y);
 952
 953     // test for destroying items in popup menus
 954 #if 0 // doesn't work in wxGTK!
 955     menu.Destroy(Menu_Popup_Submenu);
 956
 957     PopupMenu( &menu, event.GetX(), event.GetY() );
 958 #endif // 0
 959 }
 960
 961 void MyFrame::OnTestNormal(wxCommandEvent& WXUNUSED(event))
 962 {
 963     wxLogMessage(_T("Normal item selected"));
 964 }
 965
 966 void MyFrame::OnTestCheck(wxCommandEvent& event)
 967 {
 968     wxLogMessage(_T("Check item %schecked"),
 969                  event.IsChecked() ? _T("") : _T("un"));
 970 }
 971
 972 void MyFrame::OnTestRadio(wxCommandEvent& event)
 973 {
 974     wxLogMessage(_T("Radio item %d selected"),
 975                  event.GetId() - Menu_Test_Radio1 + 1);
 976 }
 977
 978 #if USE_LOG_WINDOW
 979 void MyFrame::LogMenuOpenOrClose(const wxMenuEvent& event, const wxChar *what)
 980 {
 981     wxString msg;
 982     msg << _T("A ")
 983         << ( event.IsPopup() ? _T("popup ") : _T("") )
 984         << _T("menu has been ")
 985         << what
 986         << _T(".");
 987
 988     wxLogStatus(this, msg.c_str());
 989 }
 990 #endif
 991
 992 void MyFrame::OnUpdateSubMenuNormal(wxUpdateUIEvent& event)
 993 {
 994     event.Enable(false);
 995 }
 996
 997 void MyFrame::OnUpdateSubMenuCheck(wxUpdateUIEvent& event)
 998 {
 999     event.Enable(true);
1000 }
1001
1002 void MyFrame::OnUpdateSubMenuRadio(wxUpdateUIEvent& event)
1003 {
1004     int which = (event.GetId() - Menu_SubMenu_Radio1 + 1);
1005     if (which == 2)
1006         event.Check(true);
1007     else
1008         event.Check(false);
1009 }
1010
1011 #if USE_CONTEXT_MENU
1012 void MyFrame::OnContextMenu(wxContextMenuEvent& event)
1013 {
1014     wxPoint point = event.GetPosition();
1015     // If from keyboard
1016     if (point.x == -1 && point.y == -1) {
1017         wxSize size = GetSize();
1018         point.x = size.x / 2;
1019         point.y = size.y / 2;
1020     } else {
1021         point = ScreenToClient(point);
1022     }
1023     ShowContextMenu(point);
1024 }
1025 #endif
1026
1027 void MyFrame::OnSize(wxSizeEvent& WXUNUSED(event))
1028 {
1029 #if USE_LOG_WINDOW
1030     if ( !m_textctrl )
1031         return;
1032
1033     // leave a band below for popup menu testing
1034     wxSize size = GetClientSize();
1035     m_textctrl->SetSize(0, 0, size.x, (3*size.y)/4);
1036 #endif
1037
1038     // this is really ugly but we have to do it as we can't just call
1039     // event.Skip() because wxFrameBase would make the text control fill the
1040     // entire frame then
1041 #ifdef __WXUNIVERSAL__
1042     PositionMenuBar();
1043 #endif // __WXUNIVERSAL__
1044 }
1045