src/common/menucmn.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/menucmn.cpp
   3 // Purpose:     wxMenu and wxMenuBar methods common to all ports
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     26.10.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWidgets team
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_MENUS
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/intl.h"
  31     #include "wx/log.h"
  32     #include "wx/menu.h"
  33 #endif
  34
  35 #include "wx/stockitem.h"
  36
  37 // ----------------------------------------------------------------------------
  38 // template lists
  39 // ----------------------------------------------------------------------------
  40
  41 #include "wx/listimpl.cpp"
  42
  43 WX_DEFINE_LIST(wxMenuList)
  44 WX_DEFINE_LIST(wxMenuItemList)
  45
  46 // ============================================================================
  47 // implementation
  48 // ============================================================================
  49
  50 // ----------------------------------------------------------------------------
  51 // wxMenuItemBase
  52 // ----------------------------------------------------------------------------
  53
  54 wxMenuItemBase::wxMenuItemBase(wxMenu *parentMenu,
  55                                int id,
  56                                const wxString& text,
  57                                const wxString& help,
  58                                wxItemKind kind,
  59                                wxMenu *subMenu)
  60 {
  61     wxASSERT_MSG( parentMenu != NULL, wxT("menuitem should have a menu") );
  62
  63     m_parentMenu  = parentMenu;
  64     m_subMenu     = subMenu;
  65     m_isEnabled   = true;
  66     m_isChecked   = false;
  67     m_id          = id;
  68     m_kind        = kind;
  69     if (m_id == wxID_ANY)
  70         m_id = wxWindow::NewControlId();
  71     if (m_id == wxID_SEPARATOR)
  72         m_kind = wxITEM_SEPARATOR;
  73
  74     SetItemLabel(text);
  75     SetHelp(help);
  76 }
  77
  78 wxMenuItemBase::~wxMenuItemBase()
  79 {
  80     delete m_subMenu;
  81 }
  82
  83 #if wxUSE_ACCEL
  84
  85 wxAcceleratorEntry *wxMenuItemBase::GetAccel() const
  86 {
  87     return wxAcceleratorEntry::Create(GetItemLabel());
  88 }
  89
  90 void wxMenuItemBase::SetAccel(wxAcceleratorEntry *accel)
  91 {
  92     wxString text = m_text.BeforeFirst(wxT('\t'));
  93     if ( accel )
  94     {
  95         text += wxT('\t');
  96         text += accel->ToString();
  97     }
  98
  99     SetItemLabel(text);
 100 }
 101
 102 #endif // wxUSE_ACCEL
 103
 104 void wxMenuItemBase::SetItemLabel(const wxString& str)
 105 {
 106     m_text = str;
 107
 108     if ( m_text.empty() && !IsSeparator() )
 109     {
 110         wxASSERT_MSG( wxIsStockID(GetId()),
 111                       wxT("A non-stock menu item with an empty label?") );
 112         m_text = wxGetStockLabel(GetId(), wxSTOCK_WITH_ACCELERATOR |
 113                                           wxSTOCK_WITH_MNEMONIC);
 114     }
 115 }
 116
 117 void wxMenuItemBase::SetHelp(const wxString& str)
 118 {
 119     m_help = str;
 120
 121     if ( m_help.empty() && !IsSeparator() && wxIsStockID(GetId()) )
 122     {
 123         // get a stock help string
 124         m_help = wxGetStockHelpString(GetId());
 125     }
 126 }
 127
 128 #ifndef __WXPM__
 129 wxString wxMenuItemBase::GetLabelText(const wxString& text)
 130 {
 131     return wxStripMenuCodes(text);
 132 }
 133 #endif
 134
 135 #if WXWIN_COMPATIBILITY_2_8
 136 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
 137 {
 138     return GetLabelText(text);
 139 }
 140 #endif
 141
 142 bool wxMenuBase::ms_locked = true;
 143
 144 // ----------------------------------------------------------------------------
 145 // wxMenu ctor and dtor
 146 // ----------------------------------------------------------------------------
 147
 148 void wxMenuBase::Init(long style)
 149 {
 150     m_menuBar = (wxMenuBar *)NULL;
 151     m_menuParent = (wxMenu *)NULL;
 152
 153     m_invokingWindow = (wxWindow *)NULL;
 154     m_style = style;
 155     m_clientData = (void *)NULL;
 156     m_eventHandler = this;
 157 }
 158
 159 wxMenuBase::~wxMenuBase()
 160 {
 161     WX_CLEAR_LIST(wxMenuItemList, m_items);
 162 }
 163
 164 // ----------------------------------------------------------------------------
 165 // wxMenu item adding/removing
 166 // ----------------------------------------------------------------------------
 167
 168 void wxMenuBase::AddSubMenu(wxMenu *submenu)
 169 {
 170     wxCHECK_RET( submenu, _T("can't add a NULL submenu") );
 171
 172     submenu->SetParent((wxMenu *)this);
 173 }
 174
 175 wxMenuItem* wxMenuBase::DoAppend(wxMenuItem *item)
 176 {
 177     wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Append()") );
 178
 179     m_items.Append(item);
 180     item->SetMenu((wxMenu*)this);
 181     if ( item->IsSubMenu() )
 182     {
 183         AddSubMenu(item->GetSubMenu());
 184     }
 185
 186     return item;
 187 }
 188
 189 wxMenuItem* wxMenuBase::Insert(size_t pos, wxMenuItem *item)
 190 {
 191     wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Insert") );
 192
 193     if ( pos == GetMenuItemCount() )
 194     {
 195         return DoAppend(item);
 196     }
 197     else
 198     {
 199         wxCHECK_MSG( pos < GetMenuItemCount(), NULL,
 200                      wxT("invalid index in wxMenu::Insert") );
 201
 202         return DoInsert(pos, item);
 203     }
 204 }
 205
 206 wxMenuItem* wxMenuBase::DoInsert(size_t pos, wxMenuItem *item)
 207 {
 208     wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Insert()") );
 209
 210     wxMenuItemList::compatibility_iterator node = m_items.Item(pos);
 211     wxCHECK_MSG( node, NULL, wxT("invalid index in wxMenu::Insert()") );
 212
 213     m_items.Insert(node, item);
 214     item->SetMenu((wxMenu*)this);
 215     if ( item->IsSubMenu() )
 216     {
 217         AddSubMenu(item->GetSubMenu());
 218     }
 219
 220     return item;
 221 }
 222
 223 wxMenuItem *wxMenuBase::Remove(wxMenuItem *item)
 224 {
 225     wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Remove") );
 226
 227     return DoRemove(item);
 228 }
 229
 230 wxMenuItem *wxMenuBase::DoRemove(wxMenuItem *item)
 231 {
 232     wxMenuItemList::compatibility_iterator node = m_items.Find(item);
 233
 234     // if we get here, the item is valid or one of Remove() functions is broken
 235     wxCHECK_MSG( node, NULL, wxT("bug in wxMenu::Remove logic") );
 236
 237     // we detach the item, but we do delete the list node (i.e. don't call
 238     // DetachNode() here!)
 239     m_items.Erase(node);
 240
 241     // item isn't attached to anything any more
 242     item->SetMenu((wxMenu *)NULL);
 243     wxMenu *submenu = item->GetSubMenu();
 244     if ( submenu )
 245     {
 246         submenu->SetParent((wxMenu *)NULL);
 247         if ( submenu->IsAttached() )
 248             submenu->Detach();
 249     }
 250
 251     return item;
 252 }
 253
 254 bool wxMenuBase::Delete(wxMenuItem *item)
 255 {
 256     wxCHECK_MSG( item, false, wxT("invalid item in wxMenu::Delete") );
 257
 258     return DoDelete(item);
 259 }
 260
 261 bool wxMenuBase::DoDelete(wxMenuItem *item)
 262 {
 263     wxMenuItem *item2 = DoRemove(item);
 264     wxCHECK_MSG( item2, false, wxT("failed to delete menu item") );
 265
 266     // don't delete the submenu
 267     item2->SetSubMenu((wxMenu *)NULL);
 268
 269     delete item2;
 270
 271     return true;
 272 }
 273
 274 bool wxMenuBase::Destroy(wxMenuItem *item)
 275 {
 276     wxCHECK_MSG( item, false, wxT("invalid item in wxMenu::Destroy") );
 277
 278     return DoDestroy(item);
 279 }
 280
 281 bool wxMenuBase::DoDestroy(wxMenuItem *item)
 282 {
 283     wxMenuItem *item2 = DoRemove(item);
 284     wxCHECK_MSG( item2, false, wxT("failed to delete menu item") );
 285
 286     delete item2;
 287
 288     return true;
 289 }
 290
 291 // ----------------------------------------------------------------------------
 292 // wxMenu searching for items
 293 // ----------------------------------------------------------------------------
 294
 295 // Finds the item id matching the given string, wxNOT_FOUND if not found.
 296 int wxMenuBase::FindItem(const wxString& text) const
 297 {
 298     wxString label = wxMenuItem::GetLabelText(text);
 299     for ( wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
 300           node;
 301           node = node->GetNext() )
 302     {
 303         wxMenuItem *item = node->GetData();
 304         if ( item->IsSubMenu() )
 305         {
 306             int rc = item->GetSubMenu()->FindItem(label);
 307             if ( rc != wxNOT_FOUND )
 308                 return rc;
 309         }
 310
 311         // we execute this code for submenus as well to alllow finding them by
 312         // name just like the ordinary items
 313         if ( !item->IsSeparator() )
 314         {
 315             if ( item->GetItemLabelText() == label )
 316                 return item->GetId();
 317         }
 318     }
 319
 320     return wxNOT_FOUND;
 321 }
 322
 323 // recursive search for item by id
 324 wxMenuItem *wxMenuBase::FindItem(int itemId, wxMenu **itemMenu) const
 325 {
 326     if ( itemMenu )
 327         *itemMenu = NULL;
 328
 329     wxMenuItem *item = NULL;
 330     for ( wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
 331           node && !item;
 332           node = node->GetNext() )
 333     {
 334         item = node->GetData();
 335
 336         if ( item->GetId() == itemId )
 337         {
 338             if ( itemMenu )
 339                 *itemMenu = (wxMenu *)this;
 340         }
 341         else if ( item->IsSubMenu() )
 342         {
 343             item = item->GetSubMenu()->FindItem(itemId, itemMenu);
 344         }
 345         else
 346         {
 347             // don't exit the loop
 348             item = NULL;
 349         }
 350     }
 351
 352     return item;
 353 }
 354
 355 // non recursive search
 356 wxMenuItem *wxMenuBase::FindChildItem(int id, size_t *ppos) const
 357 {
 358     wxMenuItem *item = (wxMenuItem *)NULL;
 359     wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
 360
 361     size_t pos;
 362     for ( pos = 0; node; pos++ )
 363     {
 364         if ( node->GetData()->GetId() == id )
 365         {
 366             item = node->GetData();
 367
 368             break;
 369         }
 370
 371         node = node->GetNext();
 372     }
 373
 374     if ( ppos )
 375     {
 376         *ppos = item ? pos : (size_t)wxNOT_FOUND;
 377     }
 378
 379     return item;
 380 }
 381
 382 // find by position
 383 wxMenuItem* wxMenuBase::FindItemByPosition(size_t position) const
 384 {
 385     wxCHECK_MSG( position < m_items.GetCount(), NULL,
 386                  _T("wxMenu::FindItemByPosition(): invalid menu index") );
 387
 388     return m_items.Item( position )->GetData();
 389 }
 390
 391 // ----------------------------------------------------------------------------
 392 // wxMenu helpers used by derived classes
 393 // ----------------------------------------------------------------------------
 394
 395 // Update a menu and all submenus recursively. source is the object that has
 396 // the update event handlers defined for it. If NULL, the menu or associated
 397 // window will be used.
 398 void wxMenuBase::UpdateUI(wxEvtHandler* source)
 399 {
 400     if (GetInvokingWindow())
 401     {
 402         // Don't update menus if the parent
 403         // frame is about to get deleted
 404         wxWindow *tlw = wxGetTopLevelParent( GetInvokingWindow() );
 405         if (tlw && wxPendingDelete.Member(tlw))
 406             return;
 407     }
 408
 409     if ( !source && GetInvokingWindow() )
 410         source = GetInvokingWindow()->GetEventHandler();
 411     if ( !source )
 412         source = GetEventHandler();
 413     if ( !source )
 414         source = this;
 415
 416     wxMenuItemList::compatibility_iterator  node = GetMenuItems().GetFirst();
 417     while ( node )
 418     {
 419         wxMenuItem* item = node->GetData();
 420         if ( !item->IsSeparator() )
 421         {
 422             wxWindowID id = item->GetId();
 423             wxUpdateUIEvent event(id);
 424             event.SetEventObject( source );
 425
 426             if ( source->ProcessEvent(event) )
 427             {
 428                 // if anything changed, update the changed attribute
 429                 if (event.GetSetText())
 430                     SetLabel(id, event.GetText());
 431                 if (event.GetSetChecked())
 432                     Check(id, event.GetChecked());
 433                 if (event.GetSetEnabled())
 434                     Enable(id, event.GetEnabled());
 435             }
 436
 437             // recurse to the submenus
 438             if ( item->GetSubMenu() )
 439                 item->GetSubMenu()->UpdateUI(source);
 440         }
 441         //else: item is a separator (which doesn't process update UI events)
 442
 443         node = node->GetNext();
 444     }
 445 }
 446
 447 bool wxMenuBase::SendEvent(int id, int checked)
 448 {
 449     wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED, id);
 450     event.SetEventObject(this);
 451     event.SetInt(checked);
 452
 453     bool processed = false;
 454
 455     // Try the menu's event handler
 456     // if ( !processed )
 457     {
 458         wxEvtHandler *handler = GetEventHandler();
 459         if ( handler )
 460             processed = handler->SafelyProcessEvent(event);
 461     }
 462
 463     // Try the window the menu was popped up from (and up through the
 464     // hierarchy)
 465     if ( !processed )
 466     {
 467         const wxMenuBase *menu = this;
 468         while ( menu )
 469         {
 470             wxWindow *win = menu->GetInvokingWindow();
 471             if ( win )
 472             {
 473                 processed = win->HandleWindowEvent(event);
 474                 break;
 475             }
 476
 477             menu = menu->GetParent();
 478         }
 479     }
 480
 481     return processed;
 482 }
 483
 484 // ----------------------------------------------------------------------------
 485 // wxMenu attaching/detaching to/from menu bar
 486 // ----------------------------------------------------------------------------
 487
 488 wxMenuBar* wxMenuBase::GetMenuBar() const
 489 {
 490     if(GetParent())
 491         return GetParent()->GetMenuBar();
 492     return m_menuBar;
 493 }
 494
 495 void wxMenuBase::Attach(wxMenuBarBase *menubar)
 496 {
 497     // use Detach() instead!
 498     wxASSERT_MSG( menubar, _T("menu can't be attached to NULL menubar") );
 499
 500     // use IsAttached() to prevent this from happening
 501     wxASSERT_MSG( !m_menuBar, _T("attaching menu twice?") );
 502
 503     m_menuBar = (wxMenuBar *)menubar;
 504 }
 505
 506 void wxMenuBase::Detach()
 507 {
 508     // use IsAttached() to prevent this from happening
 509     wxASSERT_MSG( m_menuBar, _T("detaching unattached menu?") );
 510
 511     m_menuBar = NULL;
 512 }
 513
 514 // ----------------------------------------------------------------------------
 515 // wxMenu functions forwarded to wxMenuItem
 516 // ----------------------------------------------------------------------------
 517
 518 void wxMenuBase::Enable( int id, bool enable )
 519 {
 520     wxMenuItem *item = FindItem(id);
 521
 522     wxCHECK_RET( item, wxT("wxMenu::Enable: no such item") );
 523
 524     item->Enable(enable);
 525 }
 526
 527 bool wxMenuBase::IsEnabled( int id ) const
 528 {
 529     wxMenuItem *item = FindItem(id);
 530
 531     wxCHECK_MSG( item, false, wxT("wxMenu::IsEnabled: no such item") );
 532
 533     return item->IsEnabled();
 534 }
 535
 536 void wxMenuBase::Check( int id, bool enable )
 537 {
 538     wxMenuItem *item = FindItem(id);
 539
 540     wxCHECK_RET( item, wxT("wxMenu::Check: no such item") );
 541
 542     item->Check(enable);
 543 }
 544
 545 bool wxMenuBase::IsChecked( int id ) const
 546 {
 547     wxMenuItem *item = FindItem(id);
 548
 549     wxCHECK_MSG( item, false, wxT("wxMenu::IsChecked: no such item") );
 550
 551     return item->IsChecked();
 552 }
 553
 554 void wxMenuBase::SetLabel( int id, const wxString &label )
 555 {
 556     wxMenuItem *item = FindItem(id);
 557
 558     wxCHECK_RET( item, wxT("wxMenu::SetLabel: no such item") );
 559
 560     item->SetItemLabel(label);
 561 }
 562
 563 wxString wxMenuBase::GetLabel( int id ) const
 564 {
 565     wxMenuItem *item = FindItem(id);
 566
 567     wxCHECK_MSG( item, wxEmptyString, wxT("wxMenu::GetLabel: no such item") );
 568
 569     return item->GetItemLabel();
 570 }
 571
 572 void wxMenuBase::SetHelpString( int id, const wxString& helpString )
 573 {
 574     wxMenuItem *item = FindItem(id);
 575
 576     wxCHECK_RET( item, wxT("wxMenu::SetHelpString: no such item") );
 577
 578     item->SetHelp( helpString );
 579 }
 580
 581 wxString wxMenuBase::GetHelpString( int id ) const
 582 {
 583     wxMenuItem *item = FindItem(id);
 584
 585     wxCHECK_MSG( item, wxEmptyString, wxT("wxMenu::GetHelpString: no such item") );
 586
 587     return item->GetHelp();
 588 }
 589
 590 // ----------------------------------------------------------------------------
 591 // wxMenuBarBase ctor and dtor
 592 // ----------------------------------------------------------------------------
 593
 594 wxMenuBarBase::wxMenuBarBase()
 595 {
 596     // not attached yet
 597     m_menuBarFrame = NULL;
 598 }
 599
 600 wxMenuBarBase::~wxMenuBarBase()
 601 {
 602     WX_CLEAR_LIST(wxMenuList, m_menus);
 603 }
 604
 605 // ----------------------------------------------------------------------------
 606 // wxMenuBar item access: the base class versions manage m_menus list, the
 607 // derived class should reflect the changes in the real menubar
 608 // ----------------------------------------------------------------------------
 609
 610 wxMenu *wxMenuBarBase::GetMenu(size_t pos) const
 611 {
 612     wxMenuList::compatibility_iterator node = m_menus.Item(pos);
 613     wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::GetMenu()") );
 614
 615     return node->GetData();
 616 }
 617
 618 bool wxMenuBarBase::Append(wxMenu *menu, const wxString& WXUNUSED(title))
 619 {
 620     wxCHECK_MSG( menu, false, wxT("can't append NULL menu") );
 621
 622     m_menus.Append(menu);
 623     menu->Attach(this);
 624
 625     return true;
 626 }
 627
 628 bool wxMenuBarBase::Insert(size_t pos, wxMenu *menu,
 629                            const wxString& title)
 630 {
 631     if ( pos == m_menus.GetCount() )
 632     {
 633         return wxMenuBarBase::Append(menu, title);
 634     }
 635     else // not at the end
 636     {
 637         wxCHECK_MSG( menu, false, wxT("can't insert NULL menu") );
 638
 639         wxMenuList::compatibility_iterator node = m_menus.Item(pos);
 640         wxCHECK_MSG( node, false, wxT("bad index in wxMenuBar::Insert()") );
 641
 642         m_menus.Insert(node, menu);
 643         menu->Attach(this);
 644
 645         return true;
 646     }
 647 }
 648
 649 wxMenu *wxMenuBarBase::Replace(size_t pos, wxMenu *menu,
 650                                const wxString& WXUNUSED(title))
 651 {
 652     wxCHECK_MSG( menu, NULL, wxT("can't insert NULL menu") );
 653
 654     wxMenuList::compatibility_iterator node = m_menus.Item(pos);
 655     wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::Replace()") );
 656
 657     wxMenu *menuOld = node->GetData();
 658     node->SetData(menu);
 659
 660     menu->Attach(this);
 661     menuOld->Detach();
 662
 663     return menuOld;
 664 }
 665
 666 wxMenu *wxMenuBarBase::Remove(size_t pos)
 667 {
 668     wxMenuList::compatibility_iterator node = m_menus.Item(pos);
 669     wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::Remove()") );
 670
 671     wxMenu *menu = node->GetData();
 672     m_menus.Erase(node);
 673     menu->Detach();
 674
 675     return menu;
 676 }
 677
 678 int wxMenuBarBase::FindMenu(const wxString& title) const
 679 {
 680     wxString label = wxMenuItem::GetLabelText(title);
 681
 682     size_t count = GetMenuCount();
 683     for ( size_t i = 0; i < count; i++ )
 684     {
 685         wxString title2 = GetMenuLabel(i);
 686         if ( (title2 == title) ||
 687              (wxMenuItem::GetLabelText(title2) == label) )
 688         {
 689             // found
 690             return (int)i;
 691         }
 692     }
 693
 694     return wxNOT_FOUND;
 695
 696 }
 697
 698 // ----------------------------------------------------------------------------
 699 // wxMenuBar attaching/detaching to/from the frame
 700 // ----------------------------------------------------------------------------
 701
 702 void wxMenuBarBase::Attach(wxFrame *frame)
 703 {
 704     wxASSERT_MSG( !IsAttached(), wxT("menubar already attached!") );
 705
 706     m_menuBarFrame = frame;
 707 }
 708
 709 void wxMenuBarBase::Detach()
 710 {
 711     wxASSERT_MSG( IsAttached(), wxT("detaching unattached menubar") );
 712
 713     m_menuBarFrame = NULL;
 714 }
 715
 716 // ----------------------------------------------------------------------------
 717 // wxMenuBar searching for items
 718 // ----------------------------------------------------------------------------
 719
 720 wxMenuItem *wxMenuBarBase::FindItem(int id, wxMenu **menu) const
 721 {
 722     if ( menu )
 723         *menu = NULL;
 724
 725     wxMenuItem *item = NULL;
 726     size_t count = GetMenuCount(), i;
 727     wxMenuList::const_iterator it;
 728     for ( i = 0, it = m_menus.begin(); !item && (i < count); i++, it++ )
 729     {
 730         item = (*it)->FindItem(id, menu);
 731     }
 732
 733     return item;
 734 }
 735
 736 int wxMenuBarBase::FindMenuItem(const wxString& menu, const wxString& item) const
 737 {
 738     wxString label = wxMenuItem::GetLabelText(menu);
 739
 740     int i = 0;
 741     wxMenuList::compatibility_iterator node;
 742     for ( node = m_menus.GetFirst(); node; node = node->GetNext(), i++ )
 743     {
 744         if ( label == wxMenuItem::GetLabelText(GetMenuLabel(i)) )
 745             return node->GetData()->FindItem(item);
 746     }
 747
 748     return wxNOT_FOUND;
 749 }
 750
 751 // ---------------------------------------------------------------------------
 752 // wxMenuBar functions forwarded to wxMenuItem
 753 // ---------------------------------------------------------------------------
 754
 755 void wxMenuBarBase::Enable(int id, bool enable)
 756 {
 757     wxMenuItem *item = FindItem(id);
 758
 759     wxCHECK_RET( item, wxT("attempt to enable an item which doesn't exist") );
 760
 761     item->Enable(enable);
 762 }
 763
 764 void wxMenuBarBase::Check(int id, bool check)
 765 {
 766     wxMenuItem *item = FindItem(id);
 767
 768     wxCHECK_RET( item, wxT("attempt to check an item which doesn't exist") );
 769     wxCHECK_RET( item->IsCheckable(), wxT("attempt to check an uncheckable item") );
 770
 771     item->Check(check);
 772 }
 773
 774 bool wxMenuBarBase::IsChecked(int id) const
 775 {
 776     wxMenuItem *item = FindItem(id);
 777
 778     wxCHECK_MSG( item, false, wxT("wxMenuBar::IsChecked(): no such item") );
 779
 780     return item->IsChecked();
 781 }
 782
 783 bool wxMenuBarBase::IsEnabled(int id) const
 784 {
 785     wxMenuItem *item = FindItem(id);
 786
 787     wxCHECK_MSG( item, false, wxT("wxMenuBar::IsEnabled(): no such item") );
 788
 789     return item->IsEnabled();
 790 }
 791
 792 void wxMenuBarBase::SetLabel(int id, const wxString& label)
 793 {
 794     wxMenuItem *item = FindItem(id);
 795
 796     wxCHECK_RET( item, wxT("wxMenuBar::SetLabel(): no such item") );
 797
 798     item->SetItemLabel(label);
 799 }
 800
 801 wxString wxMenuBarBase::GetLabel(int id) const
 802 {
 803     wxMenuItem *item = FindItem(id);
 804
 805     wxCHECK_MSG( item, wxEmptyString,
 806                  wxT("wxMenuBar::GetLabel(): no such item") );
 807
 808     return item->GetItemLabel();
 809 }
 810
 811 void wxMenuBarBase::SetHelpString(int id, const wxString& helpString)
 812 {
 813     wxMenuItem *item = FindItem(id);
 814
 815     wxCHECK_RET( item, wxT("wxMenuBar::SetHelpString(): no such item") );
 816
 817     item->SetHelp(helpString);
 818 }
 819
 820 wxString wxMenuBarBase::GetHelpString(int id) const
 821 {
 822     wxMenuItem *item = FindItem(id);
 823
 824     wxCHECK_MSG( item, wxEmptyString,
 825                  wxT("wxMenuBar::GetHelpString(): no such item") );
 826
 827     return item->GetHelp();
 828 }
 829
 830 void wxMenuBarBase::UpdateMenus( void )
 831 {
 832     wxEvtHandler* source;
 833     wxMenu* menu;
 834     int nCount = GetMenuCount();
 835     for (int n = 0; n < nCount; n++)
 836     {
 837         menu = GetMenu( n );
 838         if (menu != NULL)
 839         {
 840             source = menu->GetEventHandler();
 841             if (source != NULL)
 842                 menu->UpdateUI( source );
 843         }
 844     }
 845 }
 846
 847 #if WXWIN_COMPATIBILITY_2_8
 848 // get or change the label of the menu at given position
 849 void wxMenuBarBase::SetLabelTop(size_t pos, const wxString& label)
 850 {
 851     SetMenuLabel(pos, label);
 852 }
 853
 854 wxString wxMenuBarBase::GetLabelTop(size_t pos) const
 855 {
 856     return GetMenuLabelText(pos);
 857 }
 858 #endif
 859
 860 #endif // wxUSE_MENUS