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     wxStAppResource resload ;
 540
 541     MenuBarHandle menubar = NULL ;
 542 #if TARGET_API_MAC_OSX
 543     menubar = NewHandleClear( 6 /* sizeof( MenuBarHeader ) */ ) ;
 544 #else
 545     menubar = NewHandleClear( 12 ) ;
 546     (*menubar)[3] = 0x0a ;
 547 #endif
 548     ::SetMenuBar( menubar ) ;
 549     DisposeMenuBar( menubar ) ;
 550     MenuHandle appleMenu = NULL ;
 551     char appleMenuTitle[3] = { 01 , kMenuAppleLogoFilledGlyph , 0 } ;
 552
 553     verify_noerr( CreateNewMenu( kwxMacAppleMenuId , 0 , &appleMenu ) ) ;
 554     verify_noerr( SetMenuTitle( appleMenu , (ConstStr255Param) appleMenuTitle ) );
 555     MacInsertMenuItem( appleMenu , "\pAbout..." , 0 ) ;
 556     MacInsertMenu( appleMenu , 0 ) ;
 557
 558     // clean-up the help menu before adding new items
 559     MenuHandle mh = NULL ;
 560     if ( UMAGetHelpMenu( &mh , &firstUserHelpMenuItem) == noErr )
 561     {
 562         for ( int i = CountMenuItems( mh ) ; i >= firstUserHelpMenuItem ; --i )
 563         {
 564             DeleteMenuItem( mh , i ) ;
 565         }
 566     }
 567     else
 568     {
 569         mh = NULL ;
 570     }
 571 #if TARGET_CARBON
 572     if ( UMAGetSystemVersion() >= 0x1000 && wxApp::s_macPreferencesMenuItemId)
 573     {
 574         wxMenuItem *item = FindItem( wxApp::s_macPreferencesMenuItemId , NULL ) ;
 575         if ( item == NULL || !(item->IsEnabled()) )
 576             DisableMenuCommand( NULL , kHICommandPreferences ) ;
 577         else
 578             EnableMenuCommand( NULL , kHICommandPreferences ) ;
 579     }
 580 #endif
 581        for (size_t i = 0; i < m_menus.GetCount(); i++)
 582       {
 583         wxMenuItemList::Node *node;
 584         wxMenuItem *item;
 585         int pos ;
 586         wxMenu* menu = m_menus[i] , *subMenu = NULL ;
 587
 588         if( m_titles[i] == wxT("?") || m_titles[i] == wxT("&?")  || m_titles[i] == wxApp::s_macHelpMenuTitleName )
 589         {
 590             if ( mh == NULL )
 591             {
 592                 continue ;
 593             }
 594
 595               for (pos = 0 , node = menu->GetMenuItems().GetFirst(); node; node = node->GetNext(), pos++)
 596               {
 597                  item = (wxMenuItem *)node->GetData();
 598                  subMenu = item->GetSubMenu() ;
 599                 if (subMenu)
 600                 {
 601                     // we don't support hierarchical menus in the help menu yet
 602                 }
 603                 else
 604                 {
 605                     if ( item->IsSeparator() )
 606                     {
 607                         if ( mh )
 608                             MacAppendMenu(mh, "\p-" );
 609                     }
 610                     else
 611                     {
 612                         wxAcceleratorEntry* entry = wxGetAccelFromString( item->GetText() ) ;
 613
 614                         if ( item->GetId() == wxApp::s_macAboutMenuItemId )
 615                         {
 616                                 UMASetMenuItemText( GetMenuHandle( kwxMacAppleMenuId ) , 1 , item->GetText() , wxFont::GetDefaultEncoding() );
 617                                 UMAEnableMenuItem( GetMenuHandle( kwxMacAppleMenuId ) , 1 , true );
 618                                 SetMenuItemCommandID( GetMenuHandle( kwxMacAppleMenuId ) , 1 , item->GetId() ) ;
 619                                 SetMenuItemRefCon(GetMenuHandle( kwxMacAppleMenuId ) , 1 , (UInt32)item ) ;
 620                                 UMASetMenuItemShortcut( GetMenuHandle( kwxMacAppleMenuId ) , 1 , entry ) ;
 621                          }
 622                         else
 623                         {
 624                             if ( mh )
 625                             {
 626                                 UMAAppendMenuItem(mh, item->GetText()  , wxFont::GetDefaultEncoding(), entry);
 627                                 SetMenuItemCommandID( mh , CountMenuItems(mh) , item->GetId() ) ;
 628                                 SetMenuItemRefCon( mh , CountMenuItems(mh) , (UInt32)item ) ;
 629                             }
 630                         }
 631
 632                         delete entry ;
 633                     }
 634                 }
 635             }
 636         }
 637         else
 638         {
 639             UMASetMenuTitle( MAC_WXHMENU(menu->GetHMenu()) , m_titles[i], m_font.GetEncoding()  ) ;
 640             m_menus[i]->MacBeforeDisplay(false) ;
 641             ::InsertMenu(MAC_WXHMENU(m_menus[i]->GetHMenu()), 0);
 642         }
 643     }
 644     ::DrawMenuBar() ;
 645     s_macInstalledMenuBar = this;
 646 }
 647
 648 void wxMenuBar::EnableTop(size_t pos, bool enable)
 649 {
 650     wxCHECK_RET( IsAttached(), wxT("doesn't work with unattached menubars") );
 651     m_menus[pos]->MacEnableMenu( enable ) ;
 652     Refresh();
 653 }
 654
 655 bool wxMenuBar::Enable( bool enable)
 656 {
 657     wxCHECK_MSG( IsAttached(), false, wxT("doesn't work with unattached menubars") );
 658     size_t i;
 659     for (i = 0; i < GetMenuCount(); i++)
 660     {
 661         EnableTop(i, enable);
 662     }
 663     return true;
 664 }
 665
 666 void wxMenuBar::SetLabelTop(size_t pos, const wxString& label)
 667 {
 668     wxCHECK_RET( pos < GetMenuCount(), wxT("invalid menu index") );
 669
 670     m_titles[pos] = label;
 671
 672     if ( !IsAttached() )
 673     {
 674         return;
 675     }
 676
 677     m_menus[pos]->SetTitle( label ) ;
 678     if (wxMenuBar::s_macInstalledMenuBar == this) // are we currently installed ?
 679     {
 680         ::SetMenuBar( GetMenuBar() ) ;
 681         ::InvalMenuBar() ;
 682     }
 683 }
 684
 685 wxString wxMenuBar::GetLabelTop(size_t pos) const
 686 {
 687     wxCHECK_MSG( pos < GetMenuCount(), wxEmptyString,
 688                  wxT("invalid menu index in wxMenuBar::GetLabelTop") );
 689
 690     return m_titles[pos];
 691 }
 692
 693 int wxMenuBar::FindMenu(const wxString& title)
 694 {
 695     wxString menuTitle = wxStripMenuCodes(title);
 696
 697     size_t count = GetMenuCount();
 698     for ( size_t i = 0; i < count; i++ )
 699     {
 700         wxString title = wxStripMenuCodes(m_titles[i]);
 701         if ( menuTitle == title )
 702             return i;
 703     }
 704
 705     return wxNOT_FOUND;
 706
 707 }
 708
 709
 710 // ---------------------------------------------------------------------------
 711 // wxMenuBar construction
 712 // ---------------------------------------------------------------------------
 713
 714 // ---------------------------------------------------------------------------
 715 // wxMenuBar construction
 716 // ---------------------------------------------------------------------------
 717
 718 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
 719 {
 720     wxMenu *menuOld = wxMenuBarBase::Replace(pos, menu, title);
 721     if ( !menuOld )
 722         return FALSE;
 723     m_titles[pos] = title;
 724
 725     if ( IsAttached() )
 726     {
 727         if (s_macInstalledMenuBar == this)
 728         {
 729             menuOld->MacAfterDisplay( false ) ;
 730             ::DeleteMenu( menuOld->MacGetMenuId() /* m_menus[pos]->MacGetMenuId() */ ) ;
 731             {
 732                 menu->MacBeforeDisplay( false ) ;
 733                 UMASetMenuTitle( MAC_WXHMENU(menu->GetHMenu()) , title , m_font.GetEncoding() ) ;
 734                 if ( pos == m_menus.GetCount() - 1)
 735                 {
 736                     ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , 0 ) ;
 737                 }
 738                 else
 739                 {
 740                     ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , m_menus[pos+1]->MacGetMenuId() ) ;
 741                 }
 742             }
 743         }
 744
 745         Refresh();
 746     }
 747
 748     return menuOld;
 749 }
 750
 751 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
 752 {
 753     if ( !wxMenuBarBase::Insert(pos, menu, title) )
 754         return FALSE;
 755
 756     m_titles.Insert(title, pos);
 757
 758     UMASetMenuTitle( MAC_WXHMENU(menu->GetHMenu()) , title , m_font.GetEncoding() ) ;
 759
 760     if ( IsAttached() && s_macInstalledMenuBar == this )
 761     {
 762         if (s_macInstalledMenuBar == this)
 763         {
 764             menu->MacBeforeDisplay( false ) ;
 765             if ( pos == (size_t) -1  || pos + 1 == m_menus.GetCount() )
 766             {
 767                 ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , 0 ) ;
 768             }
 769             else
 770             {
 771                 ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , m_menus[pos+1]->MacGetMenuId() ) ;
 772             }
 773         }
 774         Refresh();
 775     }
 776
 777     return TRUE;
 778 }
 779
 780 wxMenu *wxMenuBar::Remove(size_t pos)
 781 {
 782     wxMenu *menu = wxMenuBarBase::Remove(pos);
 783     if ( !menu )
 784         return NULL;
 785
 786     if ( IsAttached() )
 787     {
 788         if (s_macInstalledMenuBar == this)
 789         {
 790             ::DeleteMenu( menu->MacGetMenuId() /* m_menus[pos]->MacGetMenuId() */ ) ;
 791         }
 792
 793         Refresh();
 794     }
 795
 796     m_titles.RemoveAt(pos);
 797
 798     return menu;
 799 }
 800
 801 bool wxMenuBar::Append(wxMenu *menu, const wxString& title)
 802 {
 803     WXHMENU submenu = menu ? menu->GetHMenu() : 0;
 804     wxCHECK_MSG( submenu, FALSE, wxT("can't append invalid menu to menubar") );
 805
 806     if ( !wxMenuBarBase::Append(menu, title) )
 807         return FALSE;
 808
 809     m_titles.Add(title);
 810
 811     UMASetMenuTitle( MAC_WXHMENU(menu->GetHMenu()) , title , m_font.GetEncoding() ) ;
 812
 813     if ( IsAttached() )
 814     {
 815         if (s_macInstalledMenuBar == this)
 816         {
 817             ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , 0 ) ;
 818         }
 819
 820         Refresh();
 821     }
 822
 823    // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
 824     // adding menu later on.
 825     if (m_invokingWindow)
 826         wxMenubarSetInvokingWindow( menu, m_invokingWindow );
 827
 828     return TRUE;
 829 }
 830
 831 static void wxMenubarUnsetInvokingWindow( wxMenu *menu )
 832 {
 833     menu->SetInvokingWindow( (wxWindow*) NULL );
 834
 835     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 836     while (node)
 837     {
 838         wxMenuItem *menuitem = node->GetData();
 839         if (menuitem->IsSubMenu())
 840             wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu() );
 841         node = node->GetNext();
 842     }
 843 }
 844
 845 static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
 846 {
 847     menu->SetInvokingWindow( win );
 848
 849     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 850     while (node)
 851     {
 852         wxMenuItem *menuitem = node->GetData();
 853         if (menuitem->IsSubMenu())
 854             wxMenubarSetInvokingWindow( menuitem->GetSubMenu() , win );
 855         node = node->GetNext();
 856     }
 857 }
 858
 859 void wxMenuBar::UnsetInvokingWindow()
 860 {
 861     m_invokingWindow = (wxWindow*) NULL;
 862     wxMenuList::Node *node = m_menus.GetFirst();
 863     while (node)
 864     {
 865         wxMenu *menu = node->GetData();
 866         wxMenubarUnsetInvokingWindow( menu );
 867         node = node->GetNext();
 868     }
 869 }
 870
 871 void wxMenuBar::SetInvokingWindow(wxFrame *frame)
 872 {
 873     m_invokingWindow = frame;
 874     wxMenuList::Node *node = m_menus.GetFirst();
 875     while (node)
 876     {
 877         wxMenu *menu = node->GetData();
 878         wxMenubarSetInvokingWindow( menu, frame );
 879         node = node->GetNext();
 880     }
 881 }
 882
 883 void wxMenuBar::Detach()
 884 {
 885     wxMenuBarBase::Detach() ;
 886 }
 887
 888 void wxMenuBar::Attach(wxFrame *frame)
 889 {
 890     wxMenuBarBase::Attach( frame ) ;
 891 }
 892 // ---------------------------------------------------------------------------
 893 // wxMenuBar searching for menu items
 894 // ---------------------------------------------------------------------------
 895
 896 // Find the itemString in menuString, and return the item id or wxNOT_FOUND
 897 int wxMenuBar::FindMenuItem(const wxString& menuString,
 898                             const wxString& itemString) const
 899 {
 900     wxString menuLabel = wxStripMenuCodes(menuString);
 901     size_t count = GetMenuCount();
 902     for ( size_t i = 0; i < count; i++ )
 903     {
 904         wxString title = wxStripMenuCodes(m_titles[i]);
 905         if ( menuLabel == title )
 906             return m_menus[i]->FindItem(itemString);
 907     }
 908
 909     return wxNOT_FOUND;
 910 }
 911
 912 wxMenuItem *wxMenuBar::FindItem(int id, wxMenu **itemMenu) const
 913 {
 914     if ( itemMenu )
 915         *itemMenu = NULL;
 916
 917     wxMenuItem *item = NULL;
 918     size_t count = GetMenuCount();
 919     for ( size_t i = 0; !item && (i < count); i++ )
 920     {
 921         item = m_menus[i]->FindItem(id, itemMenu);
 922     }
 923
 924     return item;
 925 }
 926
 927