src/mac/carbon/menu.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        menu.cpp
   3 // Purpose:     wxMenu, wxMenuBar, wxMenuItem
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "menu.h"
  14 #pragma implementation "menuitem.h"
  15 #endif
  16
  17 // ============================================================================
  18 // headers & declarations
  19 // ============================================================================
  20
  21 // wxWidgets headers
  22 // -----------------
  23
  24 #include "wx/app.h"
  25 #include "wx/menu.h"
  26 #include "wx/menuitem.h"
  27 #include "wx/window.h"
  28 #include "wx/log.h"
  29 #include "wx/utils.h"
  30 #include "wx/frame.h"
  31
  32 #include "wx/mac/uma.h"
  33
  34 // other standard headers
  35 // ----------------------
  36 #include <string.h>
  37
  38 #if !USE_SHARED_LIBRARY
  39 IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler)
  40 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxEvtHandler)
  41 #endif
  42
  43 // the (popup) menu title has this special id
  44 static const int idMenuTitle = -3;
  45 static MenuItemIndex firstUserHelpMenuItem = 0 ;
  46
  47 const short kwxMacMenuBarResource = 1 ;
  48 const short kwxMacAppleMenuId = 1 ;
  49
  50
  51 // Find an item given the Macintosh Menu Reference
  52
  53 wxList wxWinMacMenuList(wxKEY_INTEGER);
  54 wxMenu *wxFindMenuFromMacMenu(MenuRef inMenuRef)
  55 {
  56     wxNode *node = wxWinMacMenuList.Find((long)inMenuRef);
  57     if (!node)
  58         return NULL;
  59     return (wxMenu *)node->GetData();
  60 }
  61
  62 void wxAssociateMenuWithMacMenu(MenuRef inMenuRef, wxMenu *menu) ;
  63 void wxAssociateMenuWithMacMenu(MenuRef inMenuRef, wxMenu *menu)
  64 {
  65     // adding NULL MenuRef is (first) surely a result of an error and
  66     // (secondly) breaks menu command processing
  67     wxCHECK_RET( inMenuRef != (MenuRef) NULL, wxT("attempt to add a NULL MenuRef to menu list") );
  68
  69     if ( !wxWinMacMenuList.Find((long)inMenuRef) )
  70         wxWinMacMenuList.Append((long)inMenuRef, menu);
  71 }
  72
  73 void wxRemoveMacMenuAssociation(wxMenu *menu) ;
  74 void wxRemoveMacMenuAssociation(wxMenu *menu)
  75 {
  76     wxWinMacMenuList.DeleteObject(menu);
  77 }
  78
  79
  80 // ============================================================================
  81 // implementation
  82 // ============================================================================
  83 static void wxMenubarUnsetInvokingWindow( wxMenu *menu ) ;
  84 static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win );
  85
  86 // Menus
  87
  88 // Construct a menu with optional title (then use append)
  89
  90 #ifdef __DARWIN__
  91 short wxMenu::s_macNextMenuId = 3 ;
  92 #else
  93 short wxMenu::s_macNextMenuId = 2 ;
  94 #endif
  95
  96 void wxMenu::Init()
  97 {
  98     m_doBreak = FALSE;
  99     m_startRadioGroup = -1;
 100
 101     // create the menu
 102     m_macMenuId = s_macNextMenuId++;
 103     m_hMenu = UMANewMenu(m_macMenuId, m_title, wxFont::GetDefaultEncoding() );
 104
 105     if ( !m_hMenu )
 106     {
 107         wxLogLastError(wxT("UMANewMenu failed"));
 108     }
 109
 110     wxAssociateMenuWithMacMenu( (MenuRef)m_hMenu , this ) ;
 111
 112     // if we have a title, insert it in the beginning of the menu
 113     if ( !!m_title )
 114     {
 115         Append(idMenuTitle, m_title) ;
 116         AppendSeparator() ;
 117     }
 118 }
 119
 120 wxMenu::~wxMenu()
 121 {
 122     wxRemoveMacMenuAssociation( this ) ;
 123     if (MAC_WXHMENU(m_hMenu))
 124         ::DisposeMenu(MAC_WXHMENU(m_hMenu));
 125 }
 126
 127 void wxMenu::Break()
 128 {
 129     // not available on the mac platform
 130 }
 131
 132 void wxMenu::Attach(wxMenuBarBase *menubar)
 133 {
 134     wxMenuBase::Attach(menubar);
 135
 136     EndRadioGroup();
 137 }
 138
 139 // function appends a new item or submenu to the menu
 140 // append a new item or submenu to the menu
 141 bool wxMenu::DoInsertOrAppend(wxMenuItem *pItem, size_t pos)
 142 {
 143     wxASSERT_MSG( pItem != NULL, wxT("can't append NULL item to the menu") );
 144
 145     if ( pItem->IsSeparator() )
 146     {
 147         if ( pos == (size_t)-1 )
 148             MacAppendMenu(MAC_WXHMENU(m_hMenu), "\p-");
 149         else
 150             MacInsertMenuItem(MAC_WXHMENU(m_hMenu), "\p-" , pos);
 151     }
 152     else
 153     {
 154         wxMenu *pSubMenu = pItem->GetSubMenu() ;
 155         if ( pSubMenu != NULL )
 156         {
 157                wxASSERT_MSG( pSubMenu->m_hMenu != NULL , wxT("invalid submenu added"));
 158             pSubMenu->m_menuParent = this ;
 159
 160             if (wxMenuBar::MacGetInstalledMenuBar() == GetMenuBar())
 161             {
 162                 pSubMenu->MacBeforeDisplay( true ) ;
 163              }
 164
 165             if ( pos == (size_t)-1 )
 166                 UMAAppendSubMenuItem(MAC_WXHMENU(m_hMenu), pItem->GetText(), wxFont::GetDefaultEncoding() , pSubMenu->m_macMenuId);
 167             else
 168                 UMAInsertSubMenuItem(MAC_WXHMENU(m_hMenu), pItem->GetText(), wxFont::GetDefaultEncoding()  , pos, pSubMenu->m_macMenuId);
 169             pItem->UpdateItemBitmap() ;
 170             pItem->UpdateItemStatus() ;
 171         }
 172         else
 173         {
 174             if ( pos == (size_t)-1 )
 175             {
 176                 UMAAppendMenuItem(MAC_WXHMENU(m_hMenu), wxT("a") , wxFont::GetDefaultEncoding() );
 177                 pos = CountMenuItems(MAC_WXHMENU(m_hMenu)) ;
 178             }
 179             else
 180             {
 181                 // MacOS counts menu items from 1 and inserts after, therefore having the
 182                 // same effect as wx 0 based and inserting before, we must correct pos
 183                 // after however for updates to be correct
 184                 UMAInsertMenuItem(MAC_WXHMENU(m_hMenu), wxT("a"), wxFont::GetDefaultEncoding(), pos);
 185                 pos += 1 ;
 186             }
 187
 188             SetMenuItemCommandID( MAC_WXHMENU(m_hMenu) , pos , pItem->GetId() ) ;
 189             SetMenuItemRefCon( MAC_WXHMENU(m_hMenu) , pos , (UInt32) pItem ) ;
 190             pItem->UpdateItemText() ;
 191             pItem->UpdateItemBitmap() ;
 192             pItem->UpdateItemStatus() ;
 193
 194               if ( pItem->GetId() == idMenuTitle )
 195               {
 196                 UMAEnableMenuItem(MAC_WXHMENU(m_hMenu) , pos , false ) ;
 197               }
 198         }
 199     }
 200     // if we're already attached to the menubar, we must update it
 201     if ( IsAttached() )
 202     {
 203         GetMenuBar()->Refresh();
 204     }
 205     return TRUE ;
 206 }
 207
 208 void wxMenu::EndRadioGroup()
 209 {
 210     // we're not inside a radio group any longer
 211     m_startRadioGroup = -1;
 212 }
 213
 214 wxMenuItem* wxMenu::DoAppend(wxMenuItem *item)
 215 {
 216     wxCHECK_MSG( item, NULL, _T("NULL item in wxMenu::DoAppend") );
 217
 218     bool check = FALSE;
 219
 220     if ( item->GetKind() == wxITEM_RADIO )
 221     {
 222         int count = GetMenuItemCount();
 223
 224         if ( m_startRadioGroup == -1 )
 225         {
 226             // start a new radio group
 227             m_startRadioGroup = count;
 228
 229             // for now it has just one element
 230             item->SetAsRadioGroupStart();
 231             item->SetRadioGroupEnd(m_startRadioGroup);
 232
 233             // ensure that we have a checked item in the radio group
 234             check = TRUE;
 235         }
 236         else // extend the current radio group
 237         {
 238             // we need to update its end item
 239             item->SetRadioGroupStart(m_startRadioGroup);
 240             wxMenuItemList::Node *node = GetMenuItems().Item(m_startRadioGroup);
 241
 242             if ( node )
 243             {
 244                 node->GetData()->SetRadioGroupEnd(count);
 245             }
 246             else
 247             {
 248                 wxFAIL_MSG( _T("where is the radio group start item?") );
 249             }
 250         }
 251     }
 252     else // not a radio item
 253     {
 254         EndRadioGroup();
 255     }
 256
 257     if ( !wxMenuBase::DoAppend(item) || !DoInsertOrAppend(item) )
 258     {
 259         return NULL;
 260     }
 261
 262     if ( check )
 263     {
 264         // check the item initially
 265         item->Check(TRUE);
 266     }
 267
 268     return item;
 269 }
 270
 271 wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item)
 272 {
 273     if (wxMenuBase::DoInsert(pos, item) && DoInsertOrAppend(item, pos))
 274         return item;
 275     else
 276         return NULL;
 277 }
 278
 279 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
 280 {
 281     // we need to find the items position in the child list
 282     size_t pos;
 283     wxMenuItemList::Node *node = GetMenuItems().GetFirst();
 284     for ( pos = 0; node; pos++ )
 285     {
 286         if ( node->GetData() == item )
 287             break;
 288
 289         node = node->GetNext();
 290     }
 291
 292     // DoRemove() (unlike Remove) can only be called for existing item!
 293     wxCHECK_MSG( node, NULL, wxT("bug in wxMenu::Remove logic") );
 294
 295     ::DeleteMenuItem(MAC_WXHMENU(m_hMenu) , pos + 1);
 296
 297     if ( IsAttached() )
 298     {
 299         // otherwise, the change won't be visible
 300         GetMenuBar()->Refresh();
 301     }
 302
 303     // and from internal data structures
 304     return wxMenuBase::DoRemove(item);
 305 }
 306
 307 void wxMenu::SetTitle(const wxString& label)
 308 {
 309        m_title = label ;
 310     UMASetMenuTitle(MAC_WXHMENU(m_hMenu) , label , wxFont::GetDefaultEncoding() ) ;
 311 }
 312 bool wxMenu::ProcessCommand(wxCommandEvent & event)
 313 {
 314     bool processed = FALSE;
 315
 316     // Try the menu's event handler
 317     if ( !processed && GetEventHandler())
 318     {
 319         processed = GetEventHandler()->ProcessEvent(event);
 320     }
 321
 322     // Try the window the menu was popped up from (and up through the
 323     // hierarchy)
 324     wxWindow *win = GetInvokingWindow();
 325     if ( !processed && win )
 326         processed = win->GetEventHandler()->ProcessEvent(event);
 327
 328     return processed;
 329 }
 330
 331
 332 // ---------------------------------------------------------------------------
 333 // other
 334 // ---------------------------------------------------------------------------
 335
 336 wxWindow *wxMenu::GetWindow() const
 337 {
 338     if ( m_invokingWindow != NULL )
 339         return m_invokingWindow;
 340     else if ( GetMenuBar() != NULL)
 341         return (wxWindow *) GetMenuBar()->GetFrame();
 342
 343     return NULL;
 344 }
 345
 346 // helper functions returning the mac menu position for a certain item, note that this is
 347 // mac-wise 1 - based, i.e. the first item has index 1 whereas on MSWin it has pos 0
 348
 349 int wxMenu::MacGetIndexFromId( int id )
 350 {
 351     size_t pos;
 352     wxMenuItemList::Node *node = GetMenuItems().GetFirst();
 353     for ( pos = 0; node; pos++ )
 354     {
 355         if ( node->GetData()->GetId() == id )
 356             break;
 357
 358         node = node->GetNext();
 359     }
 360
 361     if (!node)
 362         return 0;
 363
 364     return pos + 1 ;
 365 }
 366
 367 int wxMenu::MacGetIndexFromItem( wxMenuItem *pItem )
 368 {
 369     size_t pos;
 370     wxMenuItemList::Node *node = GetMenuItems().GetFirst();
 371     for ( pos = 0; node; pos++ )
 372     {
 373         if ( node->GetData() == pItem )
 374             break;
 375
 376         node = node->GetNext();
 377     }
 378
 379     if (!node)
 380         return 0;
 381
 382     return pos + 1 ;
 383 }
 384
 385 void wxMenu::MacEnableMenu( bool bDoEnable )
 386 {
 387     UMAEnableMenuItem(MAC_WXHMENU(m_hMenu) , 0 , bDoEnable ) ;
 388
 389     ::DrawMenuBar() ;
 390 }
 391
 392 // MacOS needs to know about submenus somewhere within this menu
 393 // before it can be displayed , also hide special menu items like preferences
 394 // that are handled by the OS
 395 void wxMenu::MacBeforeDisplay( bool isSubMenu )
 396 {
 397     wxMenuItem* previousItem = NULL ;
 398     size_t pos ;
 399     wxMenuItemList::Node *node;
 400     wxMenuItem *item;
 401     for (pos = 0, node = GetMenuItems().GetFirst(); node; node = node->GetNext(), pos++)
 402     {
 403         item = (wxMenuItem *)node->GetData();
 404         wxMenu* subMenu = item->GetSubMenu() ;
 405         if (subMenu)
 406         {
 407             subMenu->MacBeforeDisplay( true ) ;
 408         }
 409         else
 410         {
 411             #if TARGET_CARBON
 412             if ( UMAGetSystemVersion() >= 0x1000 )
 413             {
 414                 if ( item->GetId() == wxApp::s_macPreferencesMenuItemId || item->GetId() == wxApp::s_macExitMenuItemId)
 415                 {
 416                     ChangeMenuItemAttributes( MAC_WXHMENU( GetHMenu() ) , pos + 1, kMenuItemAttrHidden, 0 );
 417                     if ( GetMenuItems().GetCount() == pos + 1 &&
 418                             previousItem != NULL &&
 419                                 previousItem->IsSeparator() )
 420                     {
 421                         ChangeMenuItemAttributes( MAC_WXHMENU( GetHMenu() ) , pos , kMenuItemAttrHidden, 0 );
 422                     }
 423                 }
 424             }
 425             #endif
 426         }
 427         previousItem = item ;
 428     }
 429
 430     if ( isSubMenu )
 431         ::InsertMenu(MAC_WXHMENU( GetHMenu()), -1);
 432
 433 }
 434 // undo all changes from the MacBeforeDisplay call
 435 void wxMenu::MacAfterDisplay( bool isSubMenu )
 436 {
 437     if ( isSubMenu )
 438         ::DeleteMenu(MacGetMenuId());
 439
 440     wxMenuItem* previousItem = NULL ;
 441     int pos ;
 442     wxMenuItemList::Node *node;
 443     wxMenuItem *item;
 444     for (pos = 0, node = GetMenuItems().GetFirst(); node; node = node->GetNext(), pos++)
 445     {
 446         item = (wxMenuItem *)node->GetData();
 447         wxMenu* subMenu = item->GetSubMenu() ;
 448         if (subMenu)
 449         {
 450             subMenu->MacAfterDisplay( true ) ;
 451         }
 452         else
 453         {
 454             // no need to undo hidings
 455         }
 456         previousItem = item ;
 457     }
 458 }
 459
 460 // Menu Bar
 461
 462 /*
 463
 464 Mac Implementation note :
 465
 466 The Mac has only one global menubar, so we attempt to install the currently
 467 active menubar from a frame, we currently don't take into account mdi-frames
 468 which would ask for menu-merging
 469
 470 Secondly there is no mac api for changing a menubar that is not the current
 471 menubar, so we have to wait for preparing the actual menubar until the
 472 wxMenubar is to be used
 473
 474 We can in subsequent versions use MacInstallMenuBar to provide some sort of
 475 auto-merge for MDI in case this will be necessary
 476
 477 */
 478
 479 wxMenuBar* wxMenuBar::s_macInstalledMenuBar = NULL ;
 480 wxMenuBar* wxMenuBar::s_macCommonMenuBar = NULL ;
 481
 482 void wxMenuBar::Init()
 483 {
 484     m_eventHandler = this;
 485     m_menuBarFrame = NULL;
 486     m_invokingWindow = (wxWindow*) NULL;
 487 }
 488
 489 wxMenuBar::wxMenuBar()
 490 {
 491     Init();
 492 }
 493
 494 wxMenuBar::wxMenuBar( long WXUNUSED(style) )
 495 {
 496     Init();
 497 }
 498
 499
 500 wxMenuBar::wxMenuBar(int count, wxMenu *menus[], const wxString titles[])
 501 {
 502     Init();
 503
 504     m_titles.Alloc(count);
 505
 506     for ( int i = 0; i < count; i++ )
 507     {
 508         m_menus.Append(menus[i]);
 509         m_titles.Add(titles[i]);
 510
 511         menus[i]->Attach(this);
 512     }
 513 }
 514
 515 wxMenuBar::~wxMenuBar()
 516 {
 517     if (s_macCommonMenuBar == this)
 518         s_macCommonMenuBar = NULL;
 519     if (s_macInstalledMenuBar == this)
 520     {
 521         ::ClearMenuBar();
 522         s_macInstalledMenuBar = NULL;
 523     }
 524
 525 }
 526
 527 void wxMenuBar::Refresh(bool WXUNUSED(eraseBackground), const wxRect *WXUNUSED(rect))
 528 {
 529     wxCHECK_RET( IsAttached(), wxT("can't refresh unatteched menubar") );
 530
 531     DrawMenuBar();
 532 }
 533
 534 void wxMenuBar::MacInstallMenuBar()
 535 {
 536     if ( s_macInstalledMenuBar == this )
 537         return ;
 538
 539     MenuBarHandle menubar = NULL ;
 540 #if TARGET_API_MAC_OSX
 541     menubar = NewHandleClear( 6 /* sizeof( MenuBarHeader ) */ ) ;
 542 #else
 543     menubar = NewHandleClear( 12 ) ;
 544     (*menubar)[3] = 0x0a ;
 545 #endif
 546     ::SetMenuBar( menubar ) ;
 547     DisposeMenuBar( menubar ) ;
 548     MenuHandle appleMenu = NULL ;
 549     char appleMenuTitle[3] = { 01 , kMenuAppleLogoFilledGlyph , 0 } ;
 550
 551     verify_noerr( CreateNewMenu( kwxMacAppleMenuId , 0 , &appleMenu ) ) ;
 552     verify_noerr( SetMenuTitle( appleMenu , (ConstStr255Param) appleMenuTitle ) );
 553     MacInsertMenuItem( appleMenu , "\p-" , 0 ) ;
 554     MacInsertMenuItem( appleMenu , "\pAbout..." , 0 ) ;
 555     MacInsertMenu( appleMenu , 0 ) ;
 556
 557     // clean-up the help menu before adding new items
 558     MenuHandle mh = NULL ;
 559     if ( UMAGetHelpMenu( &mh , &firstUserHelpMenuItem) == noErr )
 560     {
 561         for ( int i = CountMenuItems( mh ) ; i >= firstUserHelpMenuItem ; --i )
 562         {
 563             DeleteMenuItem( mh , i ) ;
 564         }
 565     }
 566     else
 567     {
 568         mh = NULL ;
 569     }
 570 #if TARGET_CARBON
 571     if ( UMAGetSystemVersion() >= 0x1000 && wxApp::s_macPreferencesMenuItemId)
 572     {
 573         wxMenuItem *item = FindItem( wxApp::s_macPreferencesMenuItemId , NULL ) ;
 574         if ( item == NULL || !(item->IsEnabled()) )
 575             DisableMenuCommand( NULL , kHICommandPreferences ) ;
 576         else
 577             EnableMenuCommand( NULL , kHICommandPreferences ) ;
 578     }
 579 #endif
 580        for (size_t i = 0; i < m_menus.GetCount(); i++)
 581       {
 582         wxMenuItemList::Node *node;
 583         wxMenuItem *item;
 584         int pos ;
 585         wxMenu* menu = m_menus[i] , *subMenu = NULL ;
 586
 587         if( m_titles[i] == wxT("?") || m_titles[i] == wxT("&?")  || m_titles[i] == wxApp::s_macHelpMenuTitleName )
 588         {
 589             if ( mh == NULL )
 590             {
 591                 continue ;
 592             }
 593
 594               for (pos = 0 , node = menu->GetMenuItems().GetFirst(); node; node = node->GetNext(), pos++)
 595               {
 596                  item = (wxMenuItem *)node->GetData();
 597                  subMenu = item->GetSubMenu() ;
 598                 if (subMenu)
 599                 {
 600                     // we don't support hierarchical menus in the help menu yet
 601                 }
 602                 else
 603                 {
 604                     if ( item->IsSeparator() )
 605                     {
 606                         if ( mh )
 607                             MacAppendMenu(mh, "\p-" );
 608                     }
 609                     else
 610                     {
 611                         wxAcceleratorEntry* entry = wxGetAccelFromString( item->GetText() ) ;
 612
 613                         if ( item->GetId() == wxApp::s_macAboutMenuItemId )
 614                         {
 615                                 UMASetMenuItemText( GetMenuHandle( kwxMacAppleMenuId ) , 1 , item->GetText() , wxFont::GetDefaultEncoding() );
 616                                 UMAEnableMenuItem( GetMenuHandle( kwxMacAppleMenuId ) , 1 , true );
 617                                 SetMenuItemCommandID( GetMenuHandle( kwxMacAppleMenuId ) , 1 , item->GetId() ) ;
 618                                 SetMenuItemRefCon(GetMenuHandle( kwxMacAppleMenuId ) , 1 , (UInt32)item ) ;
 619                                 UMASetMenuItemShortcut( GetMenuHandle( kwxMacAppleMenuId ) , 1 , entry ) ;
 620                          }
 621                         else
 622                         {
 623                             if ( mh )
 624                             {
 625                                 UMAAppendMenuItem(mh, item->GetText()  , wxFont::GetDefaultEncoding(), entry);
 626                                 SetMenuItemCommandID( mh , CountMenuItems(mh) , item->GetId() ) ;
 627                                 SetMenuItemRefCon( mh , CountMenuItems(mh) , (UInt32)item ) ;
 628                             }
 629                         }
 630
 631                         delete entry ;
 632                     }
 633                 }
 634             }
 635         }
 636         else
 637         {
 638             UMASetMenuTitle( MAC_WXHMENU(menu->GetHMenu()) , m_titles[i], m_font.GetEncoding()  ) ;
 639             m_menus[i]->MacBeforeDisplay(false) ;
 640             ::InsertMenu(MAC_WXHMENU(m_menus[i]->GetHMenu()), 0);
 641         }
 642     }
 643     ::DrawMenuBar() ;
 644     s_macInstalledMenuBar = this;
 645 }
 646
 647 void wxMenuBar::EnableTop(size_t pos, bool enable)
 648 {
 649     wxCHECK_RET( IsAttached(), wxT("doesn't work with unattached menubars") );
 650     m_menus[pos]->MacEnableMenu( enable ) ;
 651     Refresh();
 652 }
 653
 654 bool wxMenuBar::Enable( bool enable)
 655 {
 656     wxCHECK_MSG( IsAttached(), false, wxT("doesn't work with unattached menubars") );
 657     size_t i;
 658     for (i = 0; i < GetMenuCount(); i++)
 659     {
 660         EnableTop(i, enable);
 661     }
 662     return true;
 663 }
 664
 665 void wxMenuBar::SetLabelTop(size_t pos, const wxString& label)
 666 {
 667     wxCHECK_RET( pos < GetMenuCount(), wxT("invalid menu index") );
 668
 669     m_titles[pos] = label;
 670
 671     if ( !IsAttached() )
 672     {
 673         return;
 674     }
 675
 676     m_menus[pos]->SetTitle( label ) ;
 677     if (wxMenuBar::s_macInstalledMenuBar == this) // are we currently installed ?
 678     {
 679         ::SetMenuBar( GetMenuBar() ) ;
 680         ::InvalMenuBar() ;
 681     }
 682 }
 683
 684 wxString wxMenuBar::GetLabelTop(size_t pos) const
 685 {
 686     wxCHECK_MSG( pos < GetMenuCount(), wxEmptyString,
 687                  wxT("invalid menu index in wxMenuBar::GetLabelTop") );
 688
 689     return m_titles[pos];
 690 }
 691
 692 int wxMenuBar::FindMenu(const wxString& title)
 693 {
 694     wxString menuTitle = wxStripMenuCodes(title);
 695
 696     size_t count = GetMenuCount();
 697     for ( size_t i = 0; i < count; i++ )
 698     {
 699         wxString title = wxStripMenuCodes(m_titles[i]);
 700         if ( menuTitle == title )
 701             return i;
 702     }
 703
 704     return wxNOT_FOUND;
 705
 706 }
 707
 708
 709 // ---------------------------------------------------------------------------
 710 // wxMenuBar construction
 711 // ---------------------------------------------------------------------------
 712
 713 // ---------------------------------------------------------------------------
 714 // wxMenuBar construction
 715 // ---------------------------------------------------------------------------
 716
 717 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
 718 {
 719     wxMenu *menuOld = wxMenuBarBase::Replace(pos, menu, title);
 720     if ( !menuOld )
 721         return FALSE;
 722     m_titles[pos] = title;
 723
 724     if ( IsAttached() )
 725     {
 726         if (s_macInstalledMenuBar == this)
 727         {
 728             menuOld->MacAfterDisplay( false ) ;
 729             ::DeleteMenu( menuOld->MacGetMenuId() /* m_menus[pos]->MacGetMenuId() */ ) ;
 730             {
 731                 menu->MacBeforeDisplay( false ) ;
 732                 UMASetMenuTitle( MAC_WXHMENU(menu->GetHMenu()) , title , m_font.GetEncoding() ) ;
 733                 if ( pos == m_menus.GetCount() - 1)
 734                 {
 735                     ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , 0 ) ;
 736                 }
 737                 else
 738                 {
 739                     ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , m_menus[pos+1]->MacGetMenuId() ) ;
 740                 }
 741             }
 742         }
 743
 744         Refresh();
 745     }
 746
 747     return menuOld;
 748 }
 749
 750 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
 751 {
 752     if ( !wxMenuBarBase::Insert(pos, menu, title) )
 753         return FALSE;
 754
 755     m_titles.Insert(title, pos);
 756
 757     UMASetMenuTitle( MAC_WXHMENU(menu->GetHMenu()) , title , m_font.GetEncoding() ) ;
 758
 759     if ( IsAttached() && s_macInstalledMenuBar == this )
 760     {
 761         if (s_macInstalledMenuBar == this)
 762         {
 763             menu->MacBeforeDisplay( false ) ;
 764             if ( pos == (size_t) -1  || pos + 1 == m_menus.GetCount() )
 765             {
 766                 ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , 0 ) ;
 767             }
 768             else
 769             {
 770                 ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , m_menus[pos+1]->MacGetMenuId() ) ;
 771             }
 772         }
 773         Refresh();
 774     }
 775
 776     return TRUE;
 777 }
 778
 779 wxMenu *wxMenuBar::Remove(size_t pos)
 780 {
 781     wxMenu *menu = wxMenuBarBase::Remove(pos);
 782     if ( !menu )
 783         return NULL;
 784
 785     if ( IsAttached() )
 786     {
 787         if (s_macInstalledMenuBar == this)
 788         {
 789             ::DeleteMenu( menu->MacGetMenuId() /* m_menus[pos]->MacGetMenuId() */ ) ;
 790         }
 791
 792         Refresh();
 793     }
 794
 795     m_titles.RemoveAt(pos);
 796
 797     return menu;
 798 }
 799
 800 bool wxMenuBar::Append(wxMenu *menu, const wxString& title)
 801 {
 802     WXHMENU submenu = menu ? menu->GetHMenu() : 0;
 803     wxCHECK_MSG( submenu, FALSE, wxT("can't append invalid menu to menubar") );
 804
 805     if ( !wxMenuBarBase::Append(menu, title) )
 806         return FALSE;
 807
 808     m_titles.Add(title);
 809
 810     UMASetMenuTitle( MAC_WXHMENU(menu->GetHMenu()) , title , m_font.GetEncoding() ) ;
 811
 812     if ( IsAttached() )
 813     {
 814         if (s_macInstalledMenuBar == this)
 815         {
 816             ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , 0 ) ;
 817         }
 818
 819         Refresh();
 820     }
 821
 822    // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
 823     // adding menu later on.
 824     if (m_invokingWindow)
 825         wxMenubarSetInvokingWindow( menu, m_invokingWindow );
 826
 827     return TRUE;
 828 }
 829
 830 static void wxMenubarUnsetInvokingWindow( wxMenu *menu )
 831 {
 832     menu->SetInvokingWindow( (wxWindow*) NULL );
 833
 834     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 835     while (node)
 836     {
 837         wxMenuItem *menuitem = node->GetData();
 838         if (menuitem->IsSubMenu())
 839             wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu() );
 840         node = node->GetNext();
 841     }
 842 }
 843
 844 static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
 845 {
 846     menu->SetInvokingWindow( win );
 847
 848     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 849     while (node)
 850     {
 851         wxMenuItem *menuitem = node->GetData();
 852         if (menuitem->IsSubMenu())
 853             wxMenubarSetInvokingWindow( menuitem->GetSubMenu() , win );
 854         node = node->GetNext();
 855     }
 856 }
 857
 858 void wxMenuBar::UnsetInvokingWindow()
 859 {
 860     m_invokingWindow = (wxWindow*) NULL;
 861     wxMenuList::Node *node = m_menus.GetFirst();
 862     while (node)
 863     {
 864         wxMenu *menu = node->GetData();
 865         wxMenubarUnsetInvokingWindow( menu );
 866         node = node->GetNext();
 867     }
 868 }
 869
 870 void wxMenuBar::SetInvokingWindow(wxFrame *frame)
 871 {
 872     m_invokingWindow = frame;
 873     wxMenuList::Node *node = m_menus.GetFirst();
 874     while (node)
 875     {
 876         wxMenu *menu = node->GetData();
 877         wxMenubarSetInvokingWindow( menu, frame );
 878         node = node->GetNext();
 879     }
 880 }
 881
 882 void wxMenuBar::Detach()
 883 {
 884     wxMenuBarBase::Detach() ;
 885 }
 886
 887 void wxMenuBar::Attach(wxFrame *frame)
 888 {
 889     wxMenuBarBase::Attach( frame ) ;
 890 }
 891 // ---------------------------------------------------------------------------
 892 // wxMenuBar searching for menu items
 893 // ---------------------------------------------------------------------------
 894
 895 // Find the itemString in menuString, and return the item id or wxNOT_FOUND
 896 int wxMenuBar::FindMenuItem(const wxString& menuString,
 897                             const wxString& itemString) const
 898 {
 899     wxString menuLabel = wxStripMenuCodes(menuString);
 900     size_t count = GetMenuCount();
 901     for ( size_t i = 0; i < count; i++ )
 902     {
 903         wxString title = wxStripMenuCodes(m_titles[i]);
 904         if ( menuLabel == title )
 905             return m_menus[i]->FindItem(itemString);
 906     }
 907
 908     return wxNOT_FOUND;
 909 }
 910
 911 wxMenuItem *wxMenuBar::FindItem(int id, wxMenu **itemMenu) const
 912 {
 913     if ( itemMenu )
 914         *itemMenu = NULL;
 915
 916     wxMenuItem *item = NULL;
 917     size_t count = GetMenuCount();
 918     for ( size_t i = 0; !item && (i < count); i++ )
 919     {
 920         item = m_menus[i]->FindItem(id, itemMenu);
 921     }
 922
 923     return item;
 924 }
 925
 926