src/common/menucmn.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        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) wxWindows team
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "menubase.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #if wxUSE_MENUS
  32
  33 #include <ctype.h>
  34
  35 #ifndef WX_PRECOMP
  36     #include "wx/intl.h"
  37     #include "wx/log.h"
  38     #include "wx/menu.h"
  39 #endif
  40
  41 // ----------------------------------------------------------------------------
  42 // template lists
  43 // ----------------------------------------------------------------------------
  44
  45 #include "wx/listimpl.cpp"
  46
  47 WX_DEFINE_LIST(wxMenuList);
  48 WX_DEFINE_LIST(wxMenuItemList);
  49
  50 // ============================================================================
  51 // implementation
  52 // ============================================================================
  53
  54 // ----------------------------------------------------------------------------
  55 // wxMenuItem
  56 // ----------------------------------------------------------------------------
  57
  58 wxMenuItemBase::wxMenuItemBase(wxMenu *parentMenu,
  59                                int id,
  60                                const wxString& text,
  61                                const wxString& help,
  62                                wxItemKind kind,
  63                                wxMenu *subMenu)
  64               : m_text(text),
  65                 m_help(help)
  66 {
  67     wxASSERT_MSG( parentMenu != NULL, wxT("menuitem should have a menu") );
  68
  69     m_parentMenu  = parentMenu;
  70     m_subMenu     = subMenu;
  71     m_isEnabled   = TRUE;
  72     m_isChecked   = FALSE;
  73     m_id          = id;
  74     m_kind        = kind;
  75 }
  76
  77 wxMenuItemBase::~wxMenuItemBase()
  78 {
  79     delete m_subMenu;
  80 }
  81
  82 #if wxUSE_ACCEL
  83
  84 static inline bool CompareAccelString(const wxString& str, const wxChar *accel)
  85 {
  86 #if wxUSE_INTL
  87     return str == accel || str == wxGetTranslation(accel);
  88 #else
  89     return str == accel;
  90 #endif
  91 }
  92
  93 // return wxAcceleratorEntry for the given menu string or NULL if none
  94 // specified
  95 wxAcceleratorEntry *wxGetAccelFromString(const wxString& label)
  96 {
  97     // check for accelerators: they are given after '\t'
  98     int posTab = label.Find(wxT('\t'));
  99     if ( posTab != wxNOT_FOUND ) {
 100         // parse the accelerator string
 101         int keyCode = 0;
 102         int accelFlags = wxACCEL_NORMAL;
 103         wxString current;
 104         for ( size_t n = (size_t)posTab + 1; n < label.Len(); n++ ) {
 105             if ( (label[n] == '+') || (label[n] == '-') ) {
 106                 if ( CompareAccelString(current, wxTRANSLATE("ctrl")) )
 107                     accelFlags |= wxACCEL_CTRL;
 108                 else if ( CompareAccelString(current, wxTRANSLATE("alt")) )
 109                     accelFlags |= wxACCEL_ALT;
 110                 else if ( CompareAccelString(current, wxTRANSLATE("shift")) )
 111                     accelFlags |= wxACCEL_SHIFT;
 112                 else {
 113                     // we may have "Ctrl-+", for example, but we still want to
 114                     // catch typos like "Crtl-A" so only give the warning if we
 115                     // have something before the current '+' or '-', else take
 116                     // it as a literal symbol
 117                     if ( current.empty() )
 118                     {
 119                         current += label[n];
 120
 121                         // skip clearing it below
 122                         continue;
 123                     }
 124                     else
 125                     {
 126                         wxLogDebug(wxT("Unknown accel modifier: '%s'"),
 127                                    current.c_str());
 128                     }
 129                 }
 130
 131                 current.clear();
 132             }
 133             else {
 134                 current += wxTolower(label[n]);
 135             }
 136         }
 137
 138         if ( current.IsEmpty() ) {
 139             wxLogDebug(wxT("No accel key found, accel string ignored."));
 140         }
 141         else {
 142             if ( current.Len() == 1 ) {
 143                 // it's a letter
 144                 keyCode = current[0U];
 145
 146                 // Only call wxToupper if control, alt, or shift is held down,
 147                 // otherwise lower case accelerators won't work.
 148                 if (accelFlags != wxACCEL_NORMAL) {
 149                     keyCode = wxToupper(keyCode);
 150                 }
 151             }
 152             else {
 153                 // is it a function key?
 154                 if ( current[0U] == 'f' && isdigit(current[1U]) &&
 155                      (current.Len() == 2 ||
 156                      (current.Len() == 3 && isdigit(current[2U]))) ) {
 157                     int n;
 158                     wxSscanf(current.c_str() + 1, wxT("%d"), &n);
 159
 160                     keyCode = WXK_F1 + n - 1;
 161                 }
 162                 else {
 163                     // several special cases
 164                     current.MakeUpper();
 165                     if ( current == wxT("DEL") )
 166                         keyCode = WXK_DELETE;
 167                     else if ( current == wxT("DELETE") )
 168                         keyCode = WXK_DELETE;
 169                     else if ( current == wxT("INS") )
 170                         keyCode = WXK_INSERT;
 171                     else if ( current == wxT("INSERT") )
 172                         keyCode = WXK_INSERT;
 173                     else if ( current == wxT("ENTER") || current == wxT("RETURN") )
 174                         keyCode = WXK_RETURN;
 175                     else if ( current == wxT("PGUP") )
 176                         keyCode = WXK_PRIOR;
 177                     else if ( current == wxT("PGDN") )
 178                         keyCode = WXK_NEXT;
 179                     else if ( current == wxT("LEFT") )
 180                         keyCode = WXK_LEFT;
 181                     else if ( current == wxT("RIGHT") )
 182                         keyCode = WXK_RIGHT;
 183                     else if ( current == wxT("UP") )
 184                         keyCode = WXK_UP;
 185                     else if ( current == wxT("DOWN") )
 186                         keyCode = WXK_DOWN;
 187                     else if ( current == wxT("HOME") )
 188                         keyCode = WXK_HOME;
 189                     else if ( current == wxT("END") )
 190                         keyCode = WXK_END;
 191                     else if ( current == wxT("SPACE") )
 192                         keyCode = WXK_SPACE;
 193                     else if ( current == wxT("TAB") )
 194                         keyCode = WXK_TAB;
 195                     else if ( current == wxT("ESC") || current == wxT("ESCAPE") )
 196                         keyCode = WXK_ESCAPE;
 197                     else
 198                     {
 199                         wxLogDebug(wxT("Unrecognized accel key '%s', accel string ignored."),
 200                                    current.c_str());
 201                     }
 202                 }
 203             }
 204         }
 205
 206         if ( keyCode ) {
 207             // we do have something
 208             return new wxAcceleratorEntry(accelFlags, keyCode);
 209         }
 210     }
 211
 212     return (wxAcceleratorEntry *)NULL;
 213 }
 214
 215 wxAcceleratorEntry *wxMenuItemBase::GetAccel() const
 216 {
 217     return wxGetAccelFromString(GetText());
 218 }
 219
 220 void wxMenuItemBase::SetAccel(wxAcceleratorEntry *accel)
 221 {
 222     wxString text = m_text.BeforeFirst(wxT('\t'));
 223     if ( accel )
 224     {
 225         text += wxT('\t');
 226
 227         int flags = accel->GetFlags();
 228         if ( flags & wxACCEL_ALT )
 229             text += wxT("Alt-");
 230         if ( flags & wxACCEL_CTRL )
 231             text += wxT("Ctrl-");
 232         if ( flags & wxACCEL_SHIFT )
 233             text += wxT("Shift-");
 234
 235         int code = accel->GetKeyCode();
 236         switch ( code )
 237         {
 238             case WXK_F1:
 239             case WXK_F2:
 240             case WXK_F3:
 241             case WXK_F4:
 242             case WXK_F5:
 243             case WXK_F6:
 244             case WXK_F7:
 245             case WXK_F8:
 246             case WXK_F9:
 247             case WXK_F10:
 248             case WXK_F11:
 249             case WXK_F12:
 250                 text << wxT('F') << code - WXK_F1 + 1;
 251                 break;
 252
 253             // if there are any other keys wxGetAccelFromString() may return,
 254             // we should process them here
 255
 256             default:
 257                 if ( wxIsalnum(code) )
 258                 {
 259                     text << (wxChar)code;
 260
 261                     break;
 262                 }
 263
 264                 wxFAIL_MSG( wxT("unknown keyboard accel") );
 265         }
 266     }
 267
 268     SetText(text);
 269 }
 270
 271 #endif // wxUSE_ACCEL
 272
 273 // ----------------------------------------------------------------------------
 274 // wxMenu ctor and dtor
 275 // ----------------------------------------------------------------------------
 276
 277 void wxMenuBase::Init(long style)
 278 {
 279     m_items.DeleteContents(TRUE);
 280
 281     m_menuBar = (wxMenuBar *)NULL;
 282     m_menuParent = (wxMenu *)NULL;
 283
 284     m_invokingWindow = (wxWindow *)NULL;
 285     m_style = style;
 286     m_clientData = (void *)NULL;
 287     m_eventHandler = this;
 288 }
 289
 290 wxMenuBase::~wxMenuBase()
 291 {
 292     // nothing to do, wxMenuItemList dtor will delete the menu items.
 293
 294     // Actually, in GTK, the submenus have to get deleted first.
 295 }
 296
 297 // ----------------------------------------------------------------------------
 298 // wxMenu item adding/removing
 299 // ----------------------------------------------------------------------------
 300
 301 void wxMenuBase::AddSubMenu(wxMenu *submenu)
 302 {
 303     wxCHECK_RET( submenu, _T("can't add a NULL submenu") );
 304
 305     if ( m_menuBar )
 306     {
 307         submenu->Attach(m_menuBar);
 308     }
 309
 310     submenu->SetParent((wxMenu *)this);
 311 }
 312
 313 bool wxMenuBase::DoAppend(wxMenuItem *item)
 314 {
 315     wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Append()") );
 316
 317     m_items.Append(item);
 318     item->SetMenu((wxMenu*)this);
 319     if ( item->IsSubMenu() )
 320     {
 321         AddSubMenu(item->GetSubMenu());
 322     }
 323
 324     return TRUE;
 325 }
 326
 327 bool wxMenuBase::Insert(size_t pos, wxMenuItem *item)
 328 {
 329     wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Insert") );
 330
 331     if ( pos == GetMenuItemCount() )
 332     {
 333         return DoAppend(item);
 334     }
 335     else
 336     {
 337         wxCHECK_MSG( pos < GetMenuItemCount(), FALSE,
 338                      wxT("invalid index in wxMenu::Insert") );
 339
 340         return DoInsert(pos, item);
 341     }
 342 }
 343
 344 bool wxMenuBase::DoInsert(size_t pos, wxMenuItem *item)
 345 {
 346     wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Insert()") );
 347
 348     wxMenuItemList::Node *node = m_items.Item(pos);
 349     wxCHECK_MSG( node, FALSE, wxT("invalid index in wxMenu::Insert()") );
 350
 351     m_items.Insert(node, item);
 352     item->SetMenu((wxMenu*)this);
 353     if ( item->IsSubMenu() )
 354     {
 355         AddSubMenu(item->GetSubMenu());
 356     }
 357
 358     return TRUE;
 359 }
 360
 361 wxMenuItem *wxMenuBase::Remove(wxMenuItem *item)
 362 {
 363     wxCHECK_MSG( item, NULL, wxT("invalid item in wxMenu::Remove") );
 364
 365     return DoRemove(item);
 366 }
 367
 368 wxMenuItem *wxMenuBase::DoRemove(wxMenuItem *item)
 369 {
 370     wxMenuItemList::Node *node = m_items.Find(item);
 371
 372     // if we get here, the item is valid or one of Remove() functions is broken
 373     wxCHECK_MSG( node, NULL, wxT("bug in wxMenu::Remove logic") );
 374
 375     // we detach the item, but we do delete the list node (i.e. don't call
 376     // DetachNode() here!)
 377     node->SetData((wxMenuItem *)NULL);  // to prevent it from deleting the item
 378     m_items.DeleteNode(node);
 379
 380     // item isn't attached to anything any more
 381     item->SetMenu((wxMenu *)NULL);
 382     wxMenu *submenu = item->GetSubMenu();
 383     if ( submenu )
 384     {
 385         submenu->SetParent((wxMenu *)NULL);
 386     }
 387
 388     return item;
 389 }
 390
 391 bool wxMenuBase::Delete(wxMenuItem *item)
 392 {
 393     wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Delete") );
 394
 395     return DoDelete(item);
 396 }
 397
 398 bool wxMenuBase::DoDelete(wxMenuItem *item)
 399 {
 400     wxMenuItem *item2 = DoRemove(item);
 401     wxCHECK_MSG( item2, FALSE, wxT("failed to delete menu item") );
 402
 403     // don't delete the submenu
 404     item2->SetSubMenu((wxMenu *)NULL);
 405
 406     delete item2;
 407
 408     return TRUE;
 409 }
 410
 411 bool wxMenuBase::Destroy(wxMenuItem *item)
 412 {
 413     wxCHECK_MSG( item, FALSE, wxT("invalid item in wxMenu::Destroy") );
 414
 415     return DoDestroy(item);
 416 }
 417
 418 bool wxMenuBase::DoDestroy(wxMenuItem *item)
 419 {
 420     wxMenuItem *item2 = DoRemove(item);
 421     wxCHECK_MSG( item2, FALSE, wxT("failed to delete menu item") );
 422
 423     delete item2;
 424
 425     return TRUE;
 426 }
 427
 428 // ----------------------------------------------------------------------------
 429 // wxMenu searching for items
 430 // ----------------------------------------------------------------------------
 431
 432 // Finds the item id matching the given string, -1 if not found.
 433 int wxMenuBase::FindItem(const wxString& text) const
 434 {
 435     wxString label = wxMenuItem::GetLabelFromText(text);
 436     for ( wxMenuItemList::Node *node = m_items.GetFirst();
 437           node;
 438           node = node->GetNext() )
 439     {
 440         wxMenuItem *item = node->GetData();
 441         if ( item->IsSubMenu() )
 442         {
 443             int rc = item->GetSubMenu()->FindItem(label);
 444             if ( rc != wxNOT_FOUND )
 445                 return rc;
 446         }
 447
 448         // we execute this code for submenus as well to alllow finding them by
 449         // name just like the ordinary items
 450         if ( !item->IsSeparator() )
 451         {
 452             if ( item->GetLabel() == label )
 453                 return item->GetId();
 454         }
 455     }
 456
 457     return wxNOT_FOUND;
 458 }
 459
 460 // recursive search for item by id
 461 wxMenuItem *wxMenuBase::FindItem(int itemId, wxMenu **itemMenu) const
 462 {
 463     if ( itemMenu )
 464         *itemMenu = NULL;
 465
 466     wxMenuItem *item = NULL;
 467     for ( wxMenuItemList::Node *node = m_items.GetFirst();
 468           node && !item;
 469           node = node->GetNext() )
 470     {
 471         item = node->GetData();
 472
 473         if ( item->GetId() == itemId )
 474         {
 475             if ( itemMenu )
 476                 *itemMenu = (wxMenu *)this;
 477         }
 478         else if ( item->IsSubMenu() )
 479         {
 480             item = item->GetSubMenu()->FindItem(itemId, itemMenu);
 481         }
 482         else
 483         {
 484             // don't exit the loop
 485             item = NULL;
 486         }
 487     }
 488
 489     return item;
 490 }
 491
 492 // non recursive search
 493 wxMenuItem *wxMenuBase::FindChildItem(int id, size_t *ppos) const
 494 {
 495     wxMenuItem *item = (wxMenuItem *)NULL;
 496     wxMenuItemList::Node *node = GetMenuItems().GetFirst();
 497
 498     size_t pos;
 499     for ( pos = 0; node; pos++ )
 500     {
 501         if ( node->GetData()->GetId() == id )
 502         {
 503             item = node->GetData();
 504
 505             break;
 506         }
 507
 508         node = node->GetNext();
 509     }
 510
 511     if ( ppos )
 512     {
 513         *ppos = item ? pos : (size_t)wxNOT_FOUND;
 514     }
 515
 516     return item;
 517 }
 518
 519 // find by position
 520 wxMenuItem* wxMenuBase::FindItemByPosition(size_t position) const
 521 {
 522     wxCHECK_MSG( position < m_items.GetCount(), NULL,
 523                  _T("wxMenu::FindItemByPosition(): invalid menu index") );
 524
 525     return m_items.Item( position )->GetData();
 526 }
 527
 528 // ----------------------------------------------------------------------------
 529 // wxMenu helpers used by derived classes
 530 // ----------------------------------------------------------------------------
 531
 532 // Update a menu and all submenus recursively. source is the object that has
 533 // the update event handlers defined for it. If NULL, the menu or associated
 534 // window will be used.
 535 void wxMenuBase::UpdateUI(wxEvtHandler* source)
 536 {
 537     if ( !source && GetInvokingWindow() )
 538         source = GetInvokingWindow()->GetEventHandler();
 539     if ( !source )
 540         source = GetEventHandler();
 541     if ( !source )
 542         source = this;
 543
 544     wxMenuItemList::Node* node = GetMenuItems().GetFirst();
 545     while ( node )
 546     {
 547         wxMenuItem* item = node->GetData();
 548         if ( !item->IsSeparator() )
 549         {
 550             wxWindowID id = item->GetId();
 551             wxUpdateUIEvent event(id);
 552             event.SetEventObject( source );
 553
 554             if ( source->ProcessEvent(event) )
 555             {
 556                 // if anything changed, update the changed attribute
 557                 if (event.GetSetText())
 558                     SetLabel(id, event.GetText());
 559                 if (event.GetSetChecked())
 560                     Check(id, event.GetChecked());
 561                 if (event.GetSetEnabled())
 562                     Enable(id, event.GetEnabled());
 563             }
 564
 565             // recurse to the submenus
 566             if ( item->GetSubMenu() )
 567                 item->GetSubMenu()->UpdateUI(source);
 568         }
 569         //else: item is a separator (which doesn't process update UI events)
 570
 571         node = node->GetNext();
 572     }
 573 }
 574
 575 bool wxMenuBase::SendEvent(int id, int checked)
 576 {
 577     wxCommandEvent event(wxEVT_COMMAND_MENU_SELECTED, id);
 578     event.SetEventObject(this);
 579     event.SetInt(checked);
 580
 581     bool processed = FALSE;
 582
 583     // Try the menu's event handler
 584     if ( !processed )
 585     {
 586         wxEvtHandler *handler = GetEventHandler();
 587         if ( handler )
 588             processed = handler->ProcessEvent(event);
 589     }
 590
 591     // Try the window the menu was popped up from (and up through the
 592     // hierarchy)
 593     if ( !processed )
 594     {
 595         const wxMenuBase *menu = this;
 596         while ( menu )
 597         {
 598             wxWindow *win = menu->GetInvokingWindow();
 599             if ( win )
 600             {
 601                 processed = win->GetEventHandler()->ProcessEvent(event);
 602                 break;
 603             }
 604
 605             menu = menu->GetParent();
 606         }
 607     }
 608
 609     return processed;
 610 }
 611
 612 // ----------------------------------------------------------------------------
 613 // wxMenu attaching/detaching to/from menu bar
 614 // ----------------------------------------------------------------------------
 615
 616 void wxMenuBase::Attach(wxMenuBarBase *menubar)
 617 {
 618     // use Detach() instead!
 619     wxASSERT_MSG( menubar, _T("menu can't be attached to NULL menubar") );
 620
 621     // use IsAttached() to prevent this from happening
 622     wxASSERT_MSG( !m_menuBar, _T("attaching menu twice?") );
 623
 624     m_menuBar = (wxMenuBar *)menubar;
 625 }
 626
 627 void wxMenuBase::Detach()
 628 {
 629     // use IsAttached() to prevent this from happening
 630     wxASSERT_MSG( m_menuBar, _T("detaching unattached menu?") );
 631
 632     m_menuBar = NULL;
 633 }
 634
 635 // ----------------------------------------------------------------------------
 636 // wxMenu functions forwarded to wxMenuItem
 637 // ----------------------------------------------------------------------------
 638
 639 void wxMenuBase::Enable( int id, bool enable )
 640 {
 641     wxMenuItem *item = FindItem(id);
 642
 643     wxCHECK_RET( item, wxT("wxMenu::Enable: no such item") );
 644
 645     item->Enable(enable);
 646 }
 647
 648 bool wxMenuBase::IsEnabled( int id ) const
 649 {
 650     wxMenuItem *item = FindItem(id);
 651
 652     wxCHECK_MSG( item, FALSE, wxT("wxMenu::IsEnabled: no such item") );
 653
 654     return item->IsEnabled();
 655 }
 656
 657 void wxMenuBase::Check( int id, bool enable )
 658 {
 659     wxMenuItem *item = FindItem(id);
 660
 661     wxCHECK_RET( item, wxT("wxMenu::Check: no such item") );
 662
 663     item->Check(enable);
 664 }
 665
 666 bool wxMenuBase::IsChecked( int id ) const
 667 {
 668     wxMenuItem *item = FindItem(id);
 669
 670     wxCHECK_MSG( item, FALSE, wxT("wxMenu::IsChecked: no such item") );
 671
 672     return item->IsChecked();
 673 }
 674
 675 void wxMenuBase::SetLabel( int id, const wxString &label )
 676 {
 677     wxMenuItem *item = FindItem(id);
 678
 679     wxCHECK_RET( item, wxT("wxMenu::SetLabel: no such item") );
 680
 681     item->SetText(label);
 682 }
 683
 684 wxString wxMenuBase::GetLabel( int id ) const
 685 {
 686     wxMenuItem *item = FindItem(id);
 687
 688     wxCHECK_MSG( item, wxT(""), wxT("wxMenu::GetLabel: no such item") );
 689
 690     return item->GetText();
 691 }
 692
 693 void wxMenuBase::SetHelpString( int id, const wxString& helpString )
 694 {
 695     wxMenuItem *item = FindItem(id);
 696
 697     wxCHECK_RET( item, wxT("wxMenu::SetHelpString: no such item") );
 698
 699     item->SetHelp( helpString );
 700 }
 701
 702 wxString wxMenuBase::GetHelpString( int id ) const
 703 {
 704     wxMenuItem *item = FindItem(id);
 705
 706     wxCHECK_MSG( item, wxT(""), wxT("wxMenu::GetHelpString: no such item") );
 707
 708     return item->GetHelp();
 709 }
 710
 711 // ----------------------------------------------------------------------------
 712 // wxMenuBarBase ctor and dtor
 713 // ----------------------------------------------------------------------------
 714
 715 wxMenuBarBase::wxMenuBarBase()
 716 {
 717     // we own the menus when we get them
 718     m_menus.DeleteContents(TRUE);
 719
 720     // not attached yet
 721     m_menuBarFrame = NULL;
 722 }
 723
 724 wxMenuBarBase::~wxMenuBarBase()
 725 {
 726     // nothing to do, the list will delete the menus because of the call to
 727     // DeleteContents() above
 728 }
 729
 730 // ----------------------------------------------------------------------------
 731 // wxMenuBar item access: the base class versions manage m_menus list, the
 732 // derived class should reflect the changes in the real menubar
 733 // ----------------------------------------------------------------------------
 734
 735 wxMenu *wxMenuBarBase::GetMenu(size_t pos) const
 736 {
 737     wxMenuList::Node *node = m_menus.Item(pos);
 738     wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::GetMenu()") );
 739
 740     return node->GetData();
 741 }
 742
 743 bool wxMenuBarBase::Append(wxMenu *menu, const wxString& WXUNUSED(title))
 744 {
 745     wxCHECK_MSG( menu, FALSE, wxT("can't append NULL menu") );
 746
 747     m_menus.Append(menu);
 748     menu->Attach(this);
 749
 750     return TRUE;
 751 }
 752
 753 bool wxMenuBarBase::Insert(size_t pos, wxMenu *menu,
 754                            const wxString& title)
 755 {
 756     if ( pos == m_menus.GetCount() )
 757     {
 758         return wxMenuBarBase::Append(menu, title);
 759     }
 760     else // not at the end
 761     {
 762         wxCHECK_MSG( menu, FALSE, wxT("can't insert NULL menu") );
 763
 764         wxMenuList::Node *node = m_menus.Item(pos);
 765         wxCHECK_MSG( node, FALSE, wxT("bad index in wxMenuBar::Insert()") );
 766
 767         m_menus.Insert(node, menu);
 768         menu->Attach(this);
 769
 770         return TRUE;
 771     }
 772 }
 773
 774 wxMenu *wxMenuBarBase::Replace(size_t pos, wxMenu *menu,
 775                                const wxString& WXUNUSED(title))
 776 {
 777     wxCHECK_MSG( menu, NULL, wxT("can't insert NULL menu") );
 778
 779     wxMenuList::Node *node = m_menus.Item(pos);
 780     wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::Replace()") );
 781
 782     wxMenu *menuOld = node->GetData();
 783     node->SetData(menu);
 784
 785     menu->Attach(this);
 786     menuOld->Detach();
 787
 788     return menuOld;
 789 }
 790
 791 wxMenu *wxMenuBarBase::Remove(size_t pos)
 792 {
 793     wxMenuList::Node *node = m_menus.Item(pos);
 794     wxCHECK_MSG( node, NULL, wxT("bad index in wxMenuBar::Remove()") );
 795
 796     node = m_menus.DetachNode(node);
 797     wxCHECK( node, NULL );  // unexpected
 798     wxMenu *menu = node->GetData();
 799     menu->Detach();
 800
 801     delete node;
 802
 803     return menu;
 804 }
 805
 806 int wxMenuBarBase::FindMenu(const wxString& title) const
 807 {
 808     wxString label = wxMenuItem::GetLabelFromText(title);
 809
 810     size_t count = GetMenuCount();
 811     for ( size_t i = 0; i < count; i++ )
 812     {
 813         wxString title2 = GetLabelTop(i);
 814         if ( (title2 == title) ||
 815              (wxMenuItem::GetLabelFromText(title2) == label) )
 816         {
 817             // found
 818             return (int)i;
 819         }
 820     }
 821
 822     return wxNOT_FOUND;
 823
 824 }
 825
 826 // ----------------------------------------------------------------------------
 827 // wxMenuBar attaching/detaching to/from the frame
 828 // ----------------------------------------------------------------------------
 829
 830 void wxMenuBarBase::Attach(wxFrame *frame)
 831 {
 832     wxASSERT_MSG( !IsAttached(), wxT("menubar already attached!") );
 833
 834     m_menuBarFrame = frame;
 835 }
 836
 837 void wxMenuBarBase::Detach()
 838 {
 839     wxASSERT_MSG( IsAttached(), wxT("detaching unattached menubar") );
 840
 841     m_menuBarFrame = NULL;
 842 }
 843
 844 // ----------------------------------------------------------------------------
 845 // wxMenuBar searching for items
 846 // ----------------------------------------------------------------------------
 847
 848 wxMenuItem *wxMenuBarBase::FindItem(int id, wxMenu **menu) const
 849 {
 850     if ( menu )
 851         *menu = NULL;
 852
 853     wxMenuItem *item = NULL;
 854     size_t count = GetMenuCount();
 855     for ( size_t i = 0; !item && (i < count); i++ )
 856     {
 857         item = m_menus[i]->FindItem(id, menu);
 858     }
 859
 860     return item;
 861 }
 862
 863 int wxMenuBarBase::FindMenuItem(const wxString& menu, const wxString& item) const
 864 {
 865     wxString label = wxMenuItem::GetLabelFromText(menu);
 866
 867     int i = 0;
 868     wxMenuList::Node *node;
 869     for ( node = m_menus.GetFirst(); node; node = node->GetNext(), i++ )
 870     {
 871         if ( label == wxMenuItem::GetLabelFromText(GetLabelTop(i)) )
 872             return node->GetData()->FindItem(item);
 873     }
 874
 875     return wxNOT_FOUND;
 876 }
 877
 878 // ---------------------------------------------------------------------------
 879 // wxMenuBar functions forwarded to wxMenuItem
 880 // ---------------------------------------------------------------------------
 881
 882 void wxMenuBarBase::Enable(int id, bool enable)
 883 {
 884     wxMenuItem *item = FindItem(id);
 885
 886     wxCHECK_RET( item, wxT("attempt to enable an item which doesn't exist") );
 887
 888     item->Enable(enable);
 889 }
 890
 891 void wxMenuBarBase::Check(int id, bool check)
 892 {
 893     wxMenuItem *item = FindItem(id);
 894
 895     wxCHECK_RET( item, wxT("attempt to check an item which doesn't exist") );
 896     wxCHECK_RET( item->IsCheckable(), wxT("attempt to check an uncheckable item") );
 897
 898     item->Check(check);
 899 }
 900
 901 bool wxMenuBarBase::IsChecked(int id) const
 902 {
 903     wxMenuItem *item = FindItem(id);
 904
 905     wxCHECK_MSG( item, FALSE, wxT("wxMenuBar::IsChecked(): no such item") );
 906
 907     return item->IsChecked();
 908 }
 909
 910 bool wxMenuBarBase::IsEnabled(int id) const
 911 {
 912     wxMenuItem *item = FindItem(id);
 913
 914     wxCHECK_MSG( item, FALSE, wxT("wxMenuBar::IsEnabled(): no such item") );
 915
 916     return item->IsEnabled();
 917 }
 918
 919 void wxMenuBarBase::SetLabel(int id, const wxString& label)
 920 {
 921     wxMenuItem *item = FindItem(id);
 922
 923     wxCHECK_RET( item, wxT("wxMenuBar::SetLabel(): no such item") );
 924
 925     item->SetText(label);
 926 }
 927
 928 wxString wxMenuBarBase::GetLabel(int id) const
 929 {
 930     wxMenuItem *item = FindItem(id);
 931
 932     wxCHECK_MSG( item, wxEmptyString,
 933                  wxT("wxMenuBar::GetLabel(): no such item") );
 934
 935     return item->GetText();
 936 }
 937
 938 void wxMenuBarBase::SetHelpString(int id, const wxString& helpString)
 939 {
 940     wxMenuItem *item = FindItem(id);
 941
 942     wxCHECK_RET( item, wxT("wxMenuBar::SetHelpString(): no such item") );
 943
 944     item->SetHelp(helpString);
 945 }
 946
 947 wxString wxMenuBarBase::GetHelpString(int id) const
 948 {
 949     wxMenuItem *item = FindItem(id);
 950
 951     wxCHECK_MSG( item, wxEmptyString,
 952                  wxT("wxMenuBar::GetHelpString(): no such item") );
 953
 954     return item->GetHelp();
 955 }
 956
 957 #endif // wxUSE_MENUS