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
 554 //RN: under 10.3 it is a standard to include a seperator between About and Preferences
 555 //    10.2 and less are inconsistant about this, but in the interest of being more
 556 //    consistant with future OS's, we're choosing to include the seperator.
 557     MacInsertMenuItem( appleMenu , "\p-" , 0 ) ;
 558     MacInsertMenuItem( appleMenu , "\pAbout..." , 0 ) ;
 559     MacInsertMenu( appleMenu , 0 ) ;
 560
 561     // clean-up the help menu before adding new items
 562     MenuHandle mh = NULL ;
 563     if ( UMAGetHelpMenu( &mh , &firstUserHelpMenuItem) == noErr )
 564     {
 565         for ( int i = CountMenuItems( mh ) ; i >= firstUserHelpMenuItem ; --i )
 566         {
 567             DeleteMenuItem( mh , i ) ;
 568         }
 569     }
 570     else
 571     {
 572         mh = NULL ;
 573     }
 574 #if TARGET_CARBON
 575     if ( UMAGetSystemVersion() >= 0x1000 && wxApp::s_macPreferencesMenuItemId)
 576     {
 577         wxMenuItem *item = FindItem( wxApp::s_macPreferencesMenuItemId , NULL ) ;
 578         if ( item == NULL || !(item->IsEnabled()) )
 579             DisableMenuCommand( NULL , kHICommandPreferences ) ;
 580         else
 581             EnableMenuCommand( NULL , kHICommandPreferences ) ;
 582     }
 583 #endif
 584        for (size_t i = 0; i < m_menus.GetCount(); i++)
 585       {
 586         wxMenuItemList::Node *node;
 587         wxMenuItem *item;
 588         int pos ;
 589         wxMenu* menu = m_menus[i] , *subMenu = NULL ;
 590
 591         if( m_titles[i] == wxT("?") || m_titles[i] == wxT("&?")  || m_titles[i] == wxApp::s_macHelpMenuTitleName )
 592         {
 593             if ( mh == NULL )
 594             {
 595                 continue ;
 596             }
 597
 598               for (pos = 0 , node = menu->GetMenuItems().GetFirst(); node; node = node->GetNext(), pos++)
 599               {
 600                  item = (wxMenuItem *)node->GetData();
 601                  subMenu = item->GetSubMenu() ;
 602                 if (subMenu)
 603                 {
 604                     // we don't support hierarchical menus in the help menu yet
 605                 }
 606                 else
 607                 {
 608                     if ( item->IsSeparator() )
 609                     {
 610                         if ( mh )
 611                             MacAppendMenu(mh, "\p-" );
 612                     }
 613                     else
 614                     {
 615                         wxAcceleratorEntry* entry = wxGetAccelFromString( item->GetText() ) ;
 616
 617                         if ( item->GetId() == wxApp::s_macAboutMenuItemId )
 618                         {
 619                                 UMASetMenuItemText( GetMenuHandle( kwxMacAppleMenuId ) , 1 , item->GetText() , wxFont::GetDefaultEncoding() );
 620                                 UMAEnableMenuItem( GetMenuHandle( kwxMacAppleMenuId ) , 1 , true );
 621                                 SetMenuItemCommandID( GetMenuHandle( kwxMacAppleMenuId ) , 1 , item->GetId() ) ;
 622                                 SetMenuItemRefCon(GetMenuHandle( kwxMacAppleMenuId ) , 1 , (UInt32)item ) ;
 623                                 UMASetMenuItemShortcut( GetMenuHandle( kwxMacAppleMenuId ) , 1 , entry ) ;
 624                          }
 625                         else
 626                         {
 627                             if ( mh )
 628                             {
 629                                 UMAAppendMenuItem(mh, item->GetText()  , wxFont::GetDefaultEncoding(), entry);
 630                                 SetMenuItemCommandID( mh , CountMenuItems(mh) , item->GetId() ) ;
 631                                 SetMenuItemRefCon( mh , CountMenuItems(mh) , (UInt32)item ) ;
 632                             }
 633                         }
 634
 635                         delete entry ;
 636                     }
 637                 }
 638             }
 639         }
 640         else
 641         {
 642             UMASetMenuTitle( MAC_WXHMENU(menu->GetHMenu()) , m_titles[i], m_font.GetEncoding()  ) ;
 643             m_menus[i]->MacBeforeDisplay(false) ;
 644             ::InsertMenu(MAC_WXHMENU(m_menus[i]->GetHMenu()), 0);
 645         }
 646     }
 647     ::DrawMenuBar() ;
 648     s_macInstalledMenuBar = this;
 649 }
 650
 651 void wxMenuBar::EnableTop(size_t pos, bool enable)
 652 {
 653     wxCHECK_RET( IsAttached(), wxT("doesn't work with unattached menubars") );
 654     m_menus[pos]->MacEnableMenu( enable ) ;
 655     Refresh();
 656 }
 657
 658 bool wxMenuBar::Enable( bool enable)
 659 {
 660     wxCHECK_MSG( IsAttached(), false, wxT("doesn't work with unattached menubars") );
 661     size_t i;
 662     for (i = 0; i < GetMenuCount(); i++)
 663     {
 664         EnableTop(i, enable);
 665     }
 666     return true;
 667 }
 668
 669 void wxMenuBar::SetLabelTop(size_t pos, const wxString& label)
 670 {
 671     wxCHECK_RET( pos < GetMenuCount(), wxT("invalid menu index") );
 672
 673     m_titles[pos] = label;
 674
 675     if ( !IsAttached() )
 676     {
 677         return;
 678     }
 679
 680     m_menus[pos]->SetTitle( label ) ;
 681     if (wxMenuBar::s_macInstalledMenuBar == this) // are we currently installed ?
 682     {
 683         ::SetMenuBar( GetMenuBar() ) ;
 684         ::InvalMenuBar() ;
 685     }
 686 }
 687
 688 wxString wxMenuBar::GetLabelTop(size_t pos) const
 689 {
 690     wxCHECK_MSG( pos < GetMenuCount(), wxEmptyString,
 691                  wxT("invalid menu index in wxMenuBar::GetLabelTop") );
 692
 693     return m_titles[pos];
 694 }
 695
 696 int wxMenuBar::FindMenu(const wxString& title)
 697 {
 698     wxString menuTitle = wxStripMenuCodes(title);
 699
 700     size_t count = GetMenuCount();
 701     for ( size_t i = 0; i < count; i++ )
 702     {
 703         wxString title = wxStripMenuCodes(m_titles[i]);
 704         if ( menuTitle == title )
 705             return i;
 706     }
 707
 708     return wxNOT_FOUND;
 709
 710 }
 711
 712
 713 // ---------------------------------------------------------------------------
 714 // wxMenuBar construction
 715 // ---------------------------------------------------------------------------
 716
 717 // ---------------------------------------------------------------------------
 718 // wxMenuBar construction
 719 // ---------------------------------------------------------------------------
 720
 721 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
 722 {
 723     wxMenu *menuOld = wxMenuBarBase::Replace(pos, menu, title);
 724     if ( !menuOld )
 725         return FALSE;
 726     m_titles[pos] = title;
 727
 728     if ( IsAttached() )
 729     {
 730         if (s_macInstalledMenuBar == this)
 731         {
 732             menuOld->MacAfterDisplay( false ) ;
 733             ::DeleteMenu( menuOld->MacGetMenuId() /* m_menus[pos]->MacGetMenuId() */ ) ;
 734             {
 735                 menu->MacBeforeDisplay( false ) ;
 736                 UMASetMenuTitle( MAC_WXHMENU(menu->GetHMenu()) , title , m_font.GetEncoding() ) ;
 737                 if ( pos == m_menus.GetCount() - 1)
 738                 {
 739                     ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , 0 ) ;
 740                 }
 741                 else
 742                 {
 743                     ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , m_menus[pos+1]->MacGetMenuId() ) ;
 744                 }
 745             }
 746         }
 747
 748         Refresh();
 749     }
 750
 751     return menuOld;
 752 }
 753
 754 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
 755 {
 756     if ( !wxMenuBarBase::Insert(pos, menu, title) )
 757         return FALSE;
 758
 759     m_titles.Insert(title, pos);
 760
 761     UMASetMenuTitle( MAC_WXHMENU(menu->GetHMenu()) , title , m_font.GetEncoding() ) ;
 762
 763     if ( IsAttached() && s_macInstalledMenuBar == this )
 764     {
 765         if (s_macInstalledMenuBar == this)
 766         {
 767             menu->MacBeforeDisplay( false ) ;
 768             if ( pos == (size_t) -1  || pos + 1 == m_menus.GetCount() )
 769             {
 770                 ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , 0 ) ;
 771             }
 772             else
 773             {
 774                 ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , m_menus[pos+1]->MacGetMenuId() ) ;
 775             }
 776         }
 777         Refresh();
 778     }
 779
 780     return TRUE;
 781 }
 782
 783 wxMenu *wxMenuBar::Remove(size_t pos)
 784 {
 785     wxMenu *menu = wxMenuBarBase::Remove(pos);
 786     if ( !menu )
 787         return NULL;
 788
 789     if ( IsAttached() )
 790     {
 791         if (s_macInstalledMenuBar == this)
 792         {
 793             ::DeleteMenu( menu->MacGetMenuId() /* m_menus[pos]->MacGetMenuId() */ ) ;
 794         }
 795
 796         Refresh();
 797     }
 798
 799     m_titles.RemoveAt(pos);
 800
 801     return menu;
 802 }
 803
 804 bool wxMenuBar::Append(wxMenu *menu, const wxString& title)
 805 {
 806     WXHMENU submenu = menu ? menu->GetHMenu() : 0;
 807     wxCHECK_MSG( submenu, FALSE, wxT("can't append invalid menu to menubar") );
 808
 809     if ( !wxMenuBarBase::Append(menu, title) )
 810         return FALSE;
 811
 812     m_titles.Add(title);
 813
 814     UMASetMenuTitle( MAC_WXHMENU(menu->GetHMenu()) , title , m_font.GetEncoding() ) ;
 815
 816     if ( IsAttached() )
 817     {
 818         if (s_macInstalledMenuBar == this)
 819         {
 820             ::InsertMenu( MAC_WXHMENU(menu->GetHMenu()) , 0 ) ;
 821         }
 822
 823         Refresh();
 824     }
 825
 826    // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
 827     // adding menu later on.
 828     if (m_invokingWindow)
 829         wxMenubarSetInvokingWindow( menu, m_invokingWindow );
 830
 831     return TRUE;
 832 }
 833
 834 static void wxMenubarUnsetInvokingWindow( wxMenu *menu )
 835 {
 836     menu->SetInvokingWindow( (wxWindow*) NULL );
 837
 838     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 839     while (node)
 840     {
 841         wxMenuItem *menuitem = node->GetData();
 842         if (menuitem->IsSubMenu())
 843             wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu() );
 844         node = node->GetNext();
 845     }
 846 }
 847
 848 static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
 849 {
 850     menu->SetInvokingWindow( win );
 851
 852     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 853     while (node)
 854     {
 855         wxMenuItem *menuitem = node->GetData();
 856         if (menuitem->IsSubMenu())
 857             wxMenubarSetInvokingWindow( menuitem->GetSubMenu() , win );
 858         node = node->GetNext();
 859     }
 860 }
 861
 862 void wxMenuBar::UnsetInvokingWindow()
 863 {
 864     m_invokingWindow = (wxWindow*) NULL;
 865     wxMenuList::Node *node = m_menus.GetFirst();
 866     while (node)
 867     {
 868         wxMenu *menu = node->GetData();
 869         wxMenubarUnsetInvokingWindow( menu );
 870         node = node->GetNext();
 871     }
 872 }
 873
 874 void wxMenuBar::SetInvokingWindow(wxFrame *frame)
 875 {
 876     m_invokingWindow = frame;
 877     wxMenuList::Node *node = m_menus.GetFirst();
 878     while (node)
 879     {
 880         wxMenu *menu = node->GetData();
 881         wxMenubarSetInvokingWindow( menu, frame );
 882         node = node->GetNext();
 883     }
 884 }
 885
 886 void wxMenuBar::Detach()
 887 {
 888     wxMenuBarBase::Detach() ;
 889 }
 890
 891 void wxMenuBar::Attach(wxFrame *frame)
 892 {
 893     wxMenuBarBase::Attach( frame ) ;
 894 }
 895 // ---------------------------------------------------------------------------
 896 // wxMenuBar searching for menu items
 897 // ---------------------------------------------------------------------------
 898
 899 // Find the itemString in menuString, and return the item id or wxNOT_FOUND
 900 int wxMenuBar::FindMenuItem(const wxString& menuString,
 901                             const wxString& itemString) const
 902 {
 903     wxString menuLabel = wxStripMenuCodes(menuString);
 904     size_t count = GetMenuCount();
 905     for ( size_t i = 0; i < count; i++ )
 906     {
 907         wxString title = wxStripMenuCodes(m_titles[i]);
 908         if ( menuLabel == title )
 909             return m_menus[i]->FindItem(itemString);
 910     }
 911
 912     return wxNOT_FOUND;
 913 }
 914
 915 wxMenuItem *wxMenuBar::FindItem(int id, wxMenu **itemMenu) const
 916 {
 917     if ( itemMenu )
 918         *itemMenu = NULL;
 919
 920     wxMenuItem *item = NULL;
 921     size_t count = GetMenuCount();
 922     for ( size_t i = 0; !item && (i < count); i++ )
 923     {
 924         item = m_menus[i]->FindItem(id, itemMenu);
 925     }
 926
 927     return item;
 928 }
 929
 930