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 #endif
  35
  36 #if !wxUSE_MENUS
  37     // nice try...
  38     #error "menu sample requires wxUSE_MENUS=1"
  39 #endif // wxUSE_MENUS
  40
  41 #include "copy.xpm"
  42
  43 // ----------------------------------------------------------------------------
  44 // classes
  45 // ----------------------------------------------------------------------------
  46
  47 // Define a new application
  48 class MyApp: public wxApp
  49 {
  50 public:
  51     bool OnInit();
  52 };
  53
  54 // Define a new frame
  55 class MyFrame: public wxFrame
  56 {
  57 public:
  58     MyFrame();
  59
  60     virtual ~MyFrame();
  61
  62     void LogMenuEvent(const wxCommandEvent& event);
  63
  64 protected:
  65     void OnQuit(wxCommandEvent& event);
  66     void OnClearLog(wxCommandEvent& event);
  67
  68     void OnAbout(wxCommandEvent& event);
  69
  70     void OnDummy(wxCommandEvent& event);
  71
  72     void OnAppendMenuItem(wxCommandEvent& event);
  73     void OnAppendSubMenu(wxCommandEvent& event);
  74     void OnDeleteMenuItem(wxCommandEvent& event);
  75     void OnInsertMenuItem(wxCommandEvent& event);
  76     void OnCheckMenuItem(wxCommandEvent& event);
  77     void OnEnableMenuItem(wxCommandEvent& event);
  78     void OnGetLabelMenuItem(wxCommandEvent& event);
  79     void OnSetLabelMenuItem(wxCommandEvent& event);
  80     void OnGetMenuItemInfo(wxCommandEvent& event);
  81
  82     void OnAppendMenu(wxCommandEvent& event);
  83     void OnInsertMenu(wxCommandEvent& event);
  84     void OnDeleteMenu(wxCommandEvent& event);
  85     void OnToggleMenu(wxCommandEvent& event);
  86     void OnEnableMenu(wxCommandEvent& event);
  87     void OnGetLabelMenu(wxCommandEvent& event);
  88     void OnSetLabelMenu(wxCommandEvent& event);
  89
  90     void OnRightUp(wxMouseEvent& event);
  91
  92     void OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event);
  93
  94     void OnSize(wxSizeEvent& event);
  95
  96 private:
  97     wxMenu *CreateDummyMenu(wxString *title);
  98
  99     wxMenuItem *GetLastMenuItem() const;
 100
 101     // the menu previously detached from the menubar (may be NULL)
 102     wxMenu *m_menu;
 103
 104     // the count of dummy menus already created
 105     size_t m_countDummy;
 106
 107     // the control used for logging
 108     wxTextCtrl *m_textctrl;
 109
 110     // the previous log target
 111     wxLog *m_logOld;
 112
 113     DECLARE_EVENT_TABLE()
 114 };
 115
 116 // A small helper class which intercepts all menu events and logs them
 117 class MyEvtHandler : public wxEvtHandler
 118 {
 119 public:
 120     MyEvtHandler(MyFrame *frame) { m_frame = frame; }
 121
 122     void OnMenuEvent(wxCommandEvent& event)
 123     {
 124         m_frame->LogMenuEvent(event);
 125
 126         event.Skip();
 127     }
 128
 129 private:
 130     MyFrame *m_frame;
 131
 132     DECLARE_EVENT_TABLE()
 133 };
 134
 135 // ----------------------------------------------------------------------------
 136 // constants
 137 // ----------------------------------------------------------------------------
 138
 139 enum
 140 {
 141     Menu_File_Quit = 100,
 142     Menu_File_ClearLog,
 143
 144     Menu_MenuBar_Toggle = 200,
 145     Menu_MenuBar_Append,
 146     Menu_MenuBar_Insert,
 147     Menu_MenuBar_Delete,
 148     Menu_MenuBar_Enable,
 149     Menu_MenuBar_GetLabel,
 150     Menu_MenuBar_SetLabel,
 151
 152     Menu_Menu_Append = 300,
 153     Menu_Menu_AppendSub,
 154     Menu_Menu_Insert,
 155     Menu_Menu_Delete,
 156     Menu_Menu_Enable,
 157     Menu_Menu_Check,
 158     Menu_Menu_GetLabel,
 159     Menu_Menu_SetLabel,
 160     Menu_Menu_GetInfo,
 161
 162     Menu_Dummy_First = 400,
 163     Menu_Dummy_Second,
 164     Menu_Dummy_Third,
 165     Menu_Dummy_Fourth,
 166     Menu_Dummy_Last,
 167
 168     Menu_Help_About = 1000,
 169
 170     Menu_Popup_ToBeDeleted = 2000,
 171     Menu_Popup_ToBeGreyed,
 172     Menu_Popup_ToBeChecked,
 173     Menu_Popup_Submenu,
 174
 175     Menu_Max
 176 };
 177
 178 // ----------------------------------------------------------------------------
 179 // event tables
 180 // ----------------------------------------------------------------------------
 181
 182 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 183     EVT_MENU(Menu_File_Quit,     MyFrame::OnQuit)
 184     EVT_MENU(Menu_File_ClearLog, MyFrame::OnClearLog)
 185
 186     EVT_MENU(Menu_Help_About, MyFrame::OnAbout)
 187
 188     EVT_MENU(Menu_MenuBar_Toggle,   MyFrame::OnToggleMenu)
 189     EVT_MENU(Menu_MenuBar_Append,   MyFrame::OnAppendMenu)
 190     EVT_MENU(Menu_MenuBar_Insert,   MyFrame::OnInsertMenu)
 191     EVT_MENU(Menu_MenuBar_Delete,   MyFrame::OnDeleteMenu)
 192     EVT_MENU(Menu_MenuBar_Enable,   MyFrame::OnEnableMenu)
 193     EVT_MENU(Menu_MenuBar_GetLabel, MyFrame::OnGetLabelMenu)
 194     EVT_MENU(Menu_MenuBar_SetLabel, MyFrame::OnSetLabelMenu)
 195
 196     EVT_MENU(Menu_Menu_Append,    MyFrame::OnAppendMenuItem)
 197     EVT_MENU(Menu_Menu_AppendSub, MyFrame::OnAppendSubMenu)
 198     EVT_MENU(Menu_Menu_Insert,    MyFrame::OnInsertMenuItem)
 199     EVT_MENU(Menu_Menu_Delete,    MyFrame::OnDeleteMenuItem)
 200     EVT_MENU(Menu_Menu_Enable,    MyFrame::OnEnableMenuItem)
 201     EVT_MENU(Menu_Menu_Check,     MyFrame::OnCheckMenuItem)
 202     EVT_MENU(Menu_Menu_GetLabel,  MyFrame::OnGetLabelMenuItem)
 203     EVT_MENU(Menu_Menu_SetLabel,  MyFrame::OnSetLabelMenuItem)
 204     EVT_MENU(Menu_Menu_GetInfo,   MyFrame::OnGetMenuItemInfo)
 205
 206     EVT_MENU_RANGE(Menu_Dummy_First, Menu_Dummy_Last, MyFrame::OnDummy)
 207
 208     EVT_UPDATE_UI(Menu_Menu_Check, MyFrame::OnUpdateCheckMenuItemUI)
 209
 210     EVT_RIGHT_UP(MyFrame::OnRightUp)
 211
 212     EVT_SIZE(MyFrame::OnSize)
 213 END_EVENT_TABLE()
 214
 215 BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler)
 216     EVT_MENU(-1, MyEvtHandler::OnMenuEvent)
 217 END_EVENT_TABLE()
 218
 219 // ============================================================================
 220 // implementation
 221 // ============================================================================
 222
 223 // ----------------------------------------------------------------------------
 224 // MyApp
 225 // ----------------------------------------------------------------------------
 226
 227 IMPLEMENT_APP(MyApp)
 228
 229 // The `main program' equivalent, creating the windows and returning the
 230 // main frame
 231 bool MyApp::OnInit()
 232 {
 233     // Create the main frame window
 234     MyFrame* frame = new MyFrame;
 235
 236     frame->Show(TRUE);
 237
 238 #if wxUSE_STATUSBAR
 239     frame->SetStatusText("Welcome to wxWindows menu sample");
 240 #endif // wxUSE_STATUSBAR
 241
 242     SetTopWindow(frame);
 243
 244     return TRUE;
 245 }
 246
 247 // ----------------------------------------------------------------------------
 248 // MyFrame
 249 // ----------------------------------------------------------------------------
 250
 251 // Define my frame constructor
 252 MyFrame::MyFrame()
 253        : wxFrame((wxFrame *)NULL, -1, "wxWindows menu sample",
 254                  wxDefaultPosition, wxSize(300, 200))
 255 {
 256     m_textctrl = NULL;
 257     m_menu = NULL;
 258     m_countDummy = 0;
 259     m_logOld = NULL;
 260
 261 #if wxUSE_STATUSBAR
 262     CreateStatusBar();
 263 #endif // wxUSE_STATUSBAR
 264
 265     // create the menubar
 266     wxMenu *fileMenu = new wxMenu;
 267
 268     wxMenuItem *item = new wxMenuItem(fileMenu, Menu_File_ClearLog,
 269                                       "Clear &log\tCtrl-L");
 270     item->SetBitmap(copy_xpm);
 271     fileMenu->Append(item);
 272     fileMenu->AppendSeparator();
 273     fileMenu->Append(Menu_File_Quit, "E&xit\tAlt-X", "Quit menu sample");
 274
 275     wxMenu *menubarMenu = new wxMenu;
 276     menubarMenu->Append(Menu_MenuBar_Append, "&Append menu\tCtrl-A",
 277                         "Append a menu to the menubar");
 278     menubarMenu->Append(Menu_MenuBar_Insert, "&Insert menu\tCtrl-I",
 279                         "Insert a menu into the menubar");
 280     menubarMenu->Append(Menu_MenuBar_Delete, "&Delete menu\tCtrl-D",
 281                         "Delete the last menu from the menubar");
 282     menubarMenu->Append(Menu_MenuBar_Toggle, "&Toggle menu\tCtrl-T",
 283                         "Toggle the first menu in the menubar", TRUE);
 284     menubarMenu->AppendSeparator();
 285     menubarMenu->Append(Menu_MenuBar_Enable, "&Enable menu\tCtrl-E",
 286                         "Enable or disable the last menu", TRUE);
 287     menubarMenu->AppendSeparator();
 288     menubarMenu->Append(Menu_MenuBar_GetLabel, "&Get menu label\tCtrl-G",
 289                         "Get the label of the last menu");
 290     menubarMenu->Append(Menu_MenuBar_SetLabel, "&Set menu label\tCtrl-S",
 291                         "Change the label of the last menu");
 292
 293     wxMenu *menuMenu = new wxMenu;
 294     menuMenu->Append(Menu_Menu_Append, "&Append menu item\tAlt-A",
 295                      "Append a menu item to the last menu");
 296     menuMenu->Append(Menu_Menu_AppendSub, "&Append sub menu\tAlt-S",
 297                      "Append a sub menu to the last menu");
 298     menuMenu->Append(Menu_Menu_Insert, "&Insert menu item\tAlt-I",
 299                      "Insert a menu item in head of the last menu");
 300     menuMenu->Append(Menu_Menu_Delete, "&Delete menu item\tAlt-D",
 301                      "Delete the last menu item from the last menu");
 302     menuMenu->AppendSeparator();
 303     menuMenu->Append(Menu_Menu_Enable, "&Enable menu item\tAlt-E",
 304                      "Enable or disable the last menu item", TRUE);
 305     menuMenu->Append(Menu_Menu_Check, "&Check menu item\tAlt-C",
 306                      "Check or uncheck the last menu item", TRUE);
 307     menuMenu->AppendSeparator();
 308     menuMenu->Append(Menu_Menu_GetLabel, "&Get menu item label\tAlt-G",
 309                      "Get the label of the last menu item");
 310     menuMenu->Append(Menu_Menu_SetLabel, "&Set menu item label\tAlt-S",
 311                      "Change the label of the last menu item");
 312     menuMenu->AppendSeparator();
 313     menuMenu->Append(Menu_Menu_GetInfo, "Get menu item in&fo\tAlt-F",
 314                      "Show the state of the last menu item");
 315
 316     wxMenu *helpMenu = new wxMenu;
 317     helpMenu->Append(Menu_Help_About, "&About\tF1", "About menu sample");
 318
 319     wxMenuBar* menuBar = new wxMenuBar( wxMB_DOCKABLE );
 320
 321     menuBar->Append(fileMenu, "&File");
 322     menuBar->Append(menubarMenu, "Menu&bar");
 323     menuBar->Append(menuMenu, "&Menu");
 324     menuBar->Append(helpMenu, "&Help");
 325
 326     // these items should be initially checked
 327     menuBar->Check(Menu_MenuBar_Toggle, TRUE);
 328     menuBar->Check(Menu_MenuBar_Enable, TRUE);
 329     menuBar->Check(Menu_Menu_Enable, TRUE);
 330     menuBar->Check(Menu_Menu_Check, FALSE);
 331
 332     // associate the menu bar with the frame
 333     SetMenuBar(menuBar);
 334
 335     // intercept all menu events and log them in this custom event handler
 336     PushEventHandler(new MyEvtHandler(this));
 337
 338     // create the log text window
 339     m_textctrl = new wxTextCtrl(this, -1, _T(""),
 340                                 wxDefaultPosition, wxDefaultSize,
 341                                 wxTE_MULTILINE);
 342     m_textctrl->SetEditable(FALSE);
 343     m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_textctrl));
 344
 345     wxLogMessage(_T("Brief explanations: the commands or the \"Menu\" menu\n")
 346                  _T("append/insert/delete items to/from the last menu.\n")
 347                  _T("The commands from \"Menubar\" menu work with the\n")
 348                  _T("menubar itself.\n")
 349                  _T("Right click the band below to test popup menus.\n"));
 350 }
 351
 352 MyFrame::~MyFrame()
 353 {
 354     delete m_menu;
 355
 356     // delete the event handler installed in ctor
 357     PopEventHandler(TRUE);
 358
 359     // restore old logger
 360     delete wxLog::SetActiveTarget(m_logOld);
 361 }
 362
 363 wxMenu *MyFrame::CreateDummyMenu(wxString *title)
 364 {
 365     wxMenu *menu = new wxMenu;
 366     menu->Append(Menu_Dummy_First, "&First item\tCtrl-F1");
 367     menu->AppendSeparator();
 368     menu->Append(Menu_Dummy_Second, "&Second item\tCtrl-F2", "", TRUE);
 369
 370     if ( title )
 371     {
 372         title->Printf(wxT("Dummy menu &%d"), ++m_countDummy);
 373     }
 374
 375     return menu;
 376 }
 377
 378 wxMenuItem *MyFrame::GetLastMenuItem() const
 379 {
 380     wxMenuBar *menubar = GetMenuBar();
 381     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 382
 383     wxMenuItemList::Node *node = menu->GetMenuItems().GetLast();
 384     if ( !node )
 385     {
 386         wxLogWarning(wxT("No last item in the last menu!"));
 387
 388         return NULL;
 389     }
 390     else
 391     {
 392         return node->GetData();
 393     }
 394 }
 395
 396 void MyFrame::LogMenuEvent(const wxCommandEvent& event)
 397 {
 398     int id = event.GetId();
 399     if ( !GetMenuBar()->FindItem(id) )
 400         return;
 401
 402     wxString msg = wxString::Format(wxT("Menu command %d"), id);
 403     if ( GetMenuBar()->FindItem(id)->IsCheckable() )
 404     {
 405         msg += wxString::Format(wxT(" (the item is currently %schecked)"),
 406                                 event.IsChecked() ? "" : "not ");
 407     }
 408
 409     wxLogMessage(msg);
 410 }
 411
 412 // ----------------------------------------------------------------------------
 413 // menu callbacks
 414 // ----------------------------------------------------------------------------
 415
 416 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 417 {
 418     Close(TRUE);
 419 }
 420
 421 void MyFrame::OnClearLog(wxCommandEvent& WXUNUSED(event))
 422 {
 423     m_textctrl->Clear();
 424 }
 425
 426 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 427 {
 428     (void)wxMessageBox("wxWindows menu sample\n© 1999-2001 Vadim Zeitlin",
 429                        "About wxWindows menu sample",
 430                        wxICON_INFORMATION);
 431 }
 432
 433 void MyFrame::OnDeleteMenu(wxCommandEvent& WXUNUSED(event))
 434 {
 435     wxMenuBar *mbar = GetMenuBar();
 436
 437     size_t count = mbar->GetMenuCount();
 438     if ( count == 2 )
 439     {
 440         // don't let delete the first 2 menus
 441         wxLogError(wxT("Can't delete any more menus"));
 442     }
 443     else
 444     {
 445         delete mbar->Remove(count - 1);
 446     }
 447 }
 448
 449 void MyFrame::OnInsertMenu(wxCommandEvent& WXUNUSED(event))
 450 {
 451     wxString title;
 452     wxMenu *menu = CreateDummyMenu(&title);
 453     GetMenuBar()->Insert(0, menu, title);
 454 }
 455
 456 void MyFrame::OnAppendMenu(wxCommandEvent& WXUNUSED(event))
 457 {
 458     wxString title;
 459     wxMenu *menu = CreateDummyMenu(&title);
 460     GetMenuBar()->Append(menu, title);
 461 }
 462
 463 void MyFrame::OnToggleMenu(wxCommandEvent& WXUNUSED(event))
 464 {
 465     wxMenuBar *mbar = GetMenuBar();
 466     if ( !m_menu )
 467     {
 468         // hide the menu
 469         m_menu = mbar->Remove(0);
 470     }
 471     else
 472     {
 473         // restore it
 474         mbar->Insert(0, m_menu, "&File");
 475         m_menu = NULL;
 476     }
 477 }
 478
 479 void MyFrame::OnEnableMenu(wxCommandEvent& event)
 480 {
 481     wxMenuBar *mbar = GetMenuBar();
 482     size_t count = mbar->GetMenuCount();
 483
 484     mbar->EnableTop(count - 1, event.IsChecked());
 485 }
 486
 487 void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event))
 488 {
 489     wxMenuBar *mbar = GetMenuBar();
 490     size_t count = mbar->GetMenuCount();
 491
 492     wxLogMessage(wxT("The label of the last menu item is '%s'"),
 493                  mbar->GetLabelTop(count - 1).c_str());
 494 }
 495
 496 void MyFrame::OnSetLabelMenu(wxCommandEvent& WXUNUSED(event))
 497 {
 498     wxMenuBar *mbar = GetMenuBar();
 499     size_t count = mbar->GetMenuCount();
 500
 501     mbar->SetLabelTop(count - 1, "Dummy label &0");
 502 }
 503
 504 void MyFrame::OnDummy(wxCommandEvent& event)
 505 {
 506     wxLogMessage(wxT("Dummy item #%d"), event.GetId() - Menu_Dummy_First + 1);
 507 }
 508
 509 void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event))
 510 {
 511     wxMenuBar *menubar = GetMenuBar();
 512     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 513
 514     menu->AppendSeparator();
 515     menu->Append(Menu_Dummy_Third, "&Third dummy item\tCtrl-F3",
 516                  "Checkable item", TRUE);
 517 }
 518
 519 void MyFrame::OnAppendSubMenu(wxCommandEvent& WXUNUSED(event))
 520 {
 521     wxMenuBar *menubar = GetMenuBar();
 522
 523     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 524
 525     menu->Append(Menu_Dummy_Last, "&Dummy sub menu",
 526                  CreateDummyMenu(NULL), "Dummy sub menu help");
 527 }
 528
 529 void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event))
 530 {
 531     wxMenuBar *menubar = GetMenuBar();
 532     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 533
 534     size_t count = menu->GetMenuItemCount();
 535     if ( !count )
 536     {
 537         wxLogWarning(wxT("No items to delete!"));
 538     }
 539     else
 540     {
 541         menu->Destroy(menu->GetMenuItems().Item(count - 1)->GetData());
 542     }
 543 }
 544
 545 void MyFrame::OnInsertMenuItem(wxCommandEvent& WXUNUSED(event))
 546 {
 547     wxMenuBar *menubar = GetMenuBar();
 548     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 549
 550     menu->Insert(0, wxMenuItem::New(menu, Menu_Dummy_Fourth,
 551                                     "Fourth dummy item\tCtrl-F4"));
 552     menu->Insert(1, wxMenuItem::New(menu, wxID_SEPARATOR, ""));
 553 }
 554
 555 void MyFrame::OnEnableMenuItem(wxCommandEvent& WXUNUSED(event))
 556 {
 557     wxMenuItem *item = GetLastMenuItem();
 558
 559     if ( item )
 560     {
 561         item->Enable(!item->IsEnabled());
 562     }
 563 }
 564
 565 void MyFrame::OnCheckMenuItem(wxCommandEvent& WXUNUSED(event))
 566 {
 567     wxMenuItem *item = GetLastMenuItem();
 568
 569     item->Toggle();
 570 }
 571
 572 void MyFrame::OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event)
 573 {
 574     wxLogNull nolog;
 575
 576     wxMenuItem *item = GetLastMenuItem();
 577
 578     event.Enable(item && item->IsCheckable());
 579 }
 580
 581 void MyFrame::OnGetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
 582 {
 583     wxMenuItem *item = GetLastMenuItem();
 584
 585     if ( item )
 586     {
 587         wxLogMessage(wxT("The label of the last menu item is '%s'"),
 588                      item->GetLabel().c_str());
 589     }
 590 }
 591
 592 void MyFrame::OnSetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
 593 {
 594     wxMenuItem *item = GetLastMenuItem();
 595
 596     if ( item )
 597     {
 598         item->SetText("Dummy menu item text");
 599     }
 600 }
 601
 602 void MyFrame::OnGetMenuItemInfo(wxCommandEvent& WXUNUSED(event))
 603 {
 604     wxMenuItem *item = GetLastMenuItem();
 605
 606     if ( item )
 607     {
 608         wxString msg;
 609         msg << "The item is " << (item->IsEnabled() ? "enabled"
 610                                                     : "disabled")
 611             << '\n';
 612
 613         if ( item->IsCheckable() )
 614         {
 615             msg << "It is checkable and " << (item->IsChecked() ? "" : "un")
 616                 << "checked\n";
 617         }
 618
 619 #if wxUSE_ACCEL
 620         wxAcceleratorEntry *accel = item->GetAccel();
 621         if ( accel )
 622         {
 623             msg << "Its accelerator is ";
 624
 625             int flags = accel->GetFlags();
 626             if ( flags & wxACCEL_ALT )
 627                 msg << wxT("Alt-");
 628             if ( flags & wxACCEL_CTRL )
 629                 msg << wxT("Ctrl-");
 630             if ( flags & wxACCEL_SHIFT )
 631                 msg << wxT("Shift-");
 632
 633             int code = accel->GetKeyCode();
 634             switch ( code )
 635             {
 636                 case WXK_F1:
 637                 case WXK_F2:
 638                 case WXK_F3:
 639                 case WXK_F4:
 640                 case WXK_F5:
 641                 case WXK_F6:
 642                 case WXK_F7:
 643                 case WXK_F8:
 644                 case WXK_F9:
 645                 case WXK_F10:
 646                 case WXK_F11:
 647                 case WXK_F12:
 648                     msg << wxT('F') << code - WXK_F1 + 1;
 649                     break;
 650
 651                 // if there are any other keys wxGetAccelFromString() may return,
 652                 // we should process them here
 653
 654                 default:
 655                     if ( wxIsalnum(code) )
 656                     {
 657                         msg << (wxChar)code;
 658
 659                         break;
 660                     }
 661
 662                     wxFAIL_MSG( wxT("unknown keyboard accel") );
 663             }
 664
 665             delete accel;
 666         }
 667         else
 668         {
 669             msg << "It doesn't have an accelerator";
 670         }
 671 #endif // wxUSE_ACCEL
 672
 673         wxLogMessage(msg);
 674     }
 675 }
 676
 677 void MyFrame::OnRightUp(wxMouseEvent &event)
 678 {
 679     wxMenu menu("Test popup");
 680
 681     menu.Append(Menu_Help_About, "&About");
 682     menu.Append(Menu_Popup_Submenu, "&Submenu", CreateDummyMenu(NULL));
 683     menu.Append(Menu_Popup_ToBeDeleted, "To be &deleted");
 684     menu.Append(Menu_Popup_ToBeChecked, "To be &checked", "", TRUE);
 685     menu.Append(Menu_Popup_ToBeGreyed, "To be &greyed");
 686     menu.AppendSeparator();
 687     menu.Append(Menu_File_Quit, "E&xit");
 688
 689     menu.Delete(Menu_Popup_ToBeDeleted);
 690     menu.Check(Menu_Popup_ToBeChecked, TRUE);
 691     menu.Enable(Menu_Popup_ToBeGreyed, FALSE);
 692
 693     PopupMenu(&menu, event.GetX(), event.GetY());
 694
 695     // test for destroying items in popup menus
 696 #if 0 // doesn't work in wxGTK!
 697     menu.Destroy(Menu_Popup_Submenu);
 698
 699     PopupMenu( &menu, event.GetX(), event.GetY() );
 700 #endif // 0
 701 }
 702
 703 void MyFrame::OnSize(wxSizeEvent& event)
 704 {
 705     if ( !m_textctrl )
 706         return;
 707
 708     // leave a band below for popup menu testing
 709     wxSize size = GetClientSize();
 710     m_textctrl->SetSize(0, 0, size.x, (3*size.y)/4);
 711
 712     // this is really ugly but we have to do it as we can't just call
 713     // event.Skip() because wxFrameBase would make the text control fill the
 714     // entire frame then
 715 #ifdef __WXUNIVERSAL__
 716     PositionMenuBar();
 717 #endif // __WXUNIVERSAL__
 718 }
 719