src/mac/classic/notebmac.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/classic/notebmac.cpp
   3 // Purpose:     implementation of wxNotebook
   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 #include "wx/wxprec.h"
  13
  14 // ============================================================================
  15 // declarations
  16 // ============================================================================
  17
  18 // ----------------------------------------------------------------------------
  19 // headers
  20 // ----------------------------------------------------------------------------
  21
  22 #include "wx/notebook.h"
  23
  24 #ifndef WX_PRECOMP
  25     #include "wx/string.h"
  26     #include "wx/log.h"
  27     #include "wx/app.h"
  28 #endif
  29
  30 #include "wx/imaglist.h"
  31 #include "wx/image.h"
  32 #include "wx/mac/uma.h"
  33 // ----------------------------------------------------------------------------
  34 // macros
  35 // ----------------------------------------------------------------------------
  36
  37 // check that the page index is valid
  38 #define IS_VALID_PAGE(nPage) ((nPage) < GetPageCount())
  39
  40
  41 // ----------------------------------------------------------------------------
  42 // event table
  43 // ----------------------------------------------------------------------------
  44
  45 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  46 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  47
  48 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
  49     EVT_NOTEBOOK_PAGE_CHANGED(wxID_ANY, wxNotebook::OnSelChange)
  50     EVT_MOUSE_EVENTS(wxNotebook::OnMouse)
  51
  52     EVT_SIZE(wxNotebook::OnSize)
  53     EVT_SET_FOCUS(wxNotebook::OnSetFocus)
  54     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
  55 END_EVENT_TABLE()
  56
  57 IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
  58 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxCommandEvent)
  59
  60 // ============================================================================
  61 // implementation
  62 // ============================================================================
  63
  64 // The Appearance Manager docs show using tab controls in either edge to edge
  65 // mode, or inset.  I think edge to edge conforms better to the other ports,
  66 // and inset mode is better accomplished with space around the wxNotebook rather
  67 // than within it.    --Robin
  68
  69 // CS : had to switch off tight spacing due to 10.3 problems
  70 #define wxMAC_EDGE_TO_EDGE 0
  71
  72 static inline int wxMacTabMargin(long nbStyle, long side)
  73 {
  74     static int tabMargin = -1;
  75     static int otherMargin = -1;
  76
  77     if ( tabMargin == -1)
  78     {
  79         if ( UMAHasAquaLayout() )
  80         {
  81             tabMargin = 26;    // From Appearance Manager docs for small tab control dimensions
  82 #if wxMAC_EDGE_TO_EDGE
  83             otherMargin = 0;
  84 #else
  85 //            otherMargin = 20;
  86             // JACS - this seems fine on 10.3; 20 is way too much
  87             otherMargin = 8;
  88 #endif
  89         }
  90         else
  91         {
  92             tabMargin = 30;
  93 #if wxMAC_EDGE_TO_EDGE
  94             otherMargin = 0;
  95 #else
  96             otherMargin = 16;
  97 #endif
  98         }
  99     }
 100
 101     // If the style matches the side asked for then return the tab margin,
 102     // but we have to special case wxBK_TOP since it is zero...
 103     if ( side == wxBK_TOP)
 104     {
 105         if ( nbStyle != 0 && nbStyle & (wxBK_LEFT|wxBK_RIGHT|wxBK_BOTTOM))
 106         {
 107             return otherMargin;
 108         }
 109         else
 110         {
 111             return tabMargin;
 112         }
 113     }
 114     else if ( nbStyle & side)
 115         return tabMargin;
 116     else
 117         return otherMargin;
 118 }
 119
 120 static inline int wxMacTabLeftMargin(long style)
 121 {
 122     return wxMacTabMargin(style, wxBK_LEFT);
 123 }
 124
 125 static inline int wxMacTabTopMargin(long style)
 126 {
 127     return wxMacTabMargin(style, wxBK_TOP);
 128 }
 129
 130 static inline int wxMacTabRightMargin(long style)
 131 {
 132     return wxMacTabMargin(style, wxBK_RIGHT);
 133 }
 134
 135 static inline int wxMacTabBottomMargin(long style)
 136 {
 137     return wxMacTabMargin(style, wxBK_BOTTOM);
 138 }
 139
 140 // ----------------------------------------------------------------------------
 141 // wxNotebook construction
 142 // ----------------------------------------------------------------------------
 143
 144 // common part of all ctors
 145 void wxNotebook::Init()
 146 {
 147     if ( UMAHasAquaLayout() )
 148     {
 149         // Should these depend on wxMAC_EDGE_TO_EDGE too?
 150         m_macHorizontalBorder = 7;
 151         m_macVerticalBorder = 8;
 152     }
 153
 154     m_nSelection = -1;
 155 }
 156
 157 // default for dynamic class
 158 wxNotebook::wxNotebook()
 159 {
 160     Init();
 161 }
 162
 163 // the same arguments as for wxControl
 164 wxNotebook::wxNotebook(wxWindow *parent,
 165                        wxWindowID id,
 166                        const wxPoint& pos,
 167                        const wxSize& size,
 168                        long style,
 169                        const wxString& name)
 170 {
 171     Init();
 172
 173     Create(parent, id, pos, size, style, name);
 174 }
 175
 176 // Create() function
 177 bool wxNotebook::Create(wxWindow *parent,
 178                         wxWindowID id,
 179                         const wxPoint& pos,
 180                         const wxSize& size,
 181                         long style,
 182                         const wxString& name)
 183 {
 184     if ( !wxNotebookBase::Create(parent, id, pos, size, style, name) )
 185         return false;
 186
 187     Rect bounds ;
 188     Str255 title ;
 189
 190     if ( (style & wxBK_ALIGN_MASK) == wxBK_DEFAULT )
 191         style |= wxBK_TOP;
 192
 193     MacPreControlCreate( parent , id ,  wxEmptyString , pos , size ,style, wxDefaultValidator , name , &bounds , title ) ;
 194
 195     int tabstyle = kControlTabSmallNorthProc ;
 196     if ( HasFlag(wxBK_LEFT) )
 197         tabstyle = kControlTabSmallWestProc ;
 198     else if ( HasFlag( wxBK_RIGHT ) )
 199         tabstyle = kControlTabSmallEastProc ;
 200     else if ( HasFlag( wxBK_BOTTOM ) )
 201         tabstyle = kControlTabSmallSouthProc ;
 202
 203
 204     m_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , 0 , 1,
 205         tabstyle , (long) this ) ;
 206
 207     MacPostControlCreate() ;
 208     return true ;
 209 }
 210
 211 // dtor
 212 wxNotebook::~wxNotebook()
 213 {
 214 }
 215
 216 // ----------------------------------------------------------------------------
 217 // wxNotebook accessors
 218 // ----------------------------------------------------------------------------
 219
 220 void wxNotebook::SetPadding(const wxSize& padding)
 221 {
 222     // unsupported by OS
 223 }
 224
 225 void wxNotebook::SetTabSize(const wxSize& sz)
 226 {
 227     // unsupported by OS
 228 }
 229
 230 void wxNotebook::SetPageSize(const wxSize& size)
 231 {
 232     SetSize( CalcSizeFromPage( size ) );
 233 }
 234
 235 wxSize wxNotebook::CalcSizeFromPage(const wxSize& sizePage) const
 236 {
 237     wxSize sizeTotal = sizePage;
 238     sizeTotal.x += 2 * m_macHorizontalBorder + wxMacTabLeftMargin(GetWindowStyle()) +
 239         wxMacTabRightMargin(GetWindowStyle()) ;
 240     sizeTotal.y += 2 * m_macVerticalBorder + wxMacTabTopMargin(GetWindowStyle()) +
 241         wxMacTabBottomMargin(GetWindowStyle()) ;
 242
 243     return sizeTotal;
 244 }
 245
 246 wxSize wxNotebook::DoGetBestSize() const
 247 {
 248     // calculate the max page size
 249     wxSize size(0, 0);
 250
 251     size_t count = GetPageCount();
 252     if ( count )
 253     {
 254         for ( size_t n = 0; n < count; n++ )
 255         {
 256             wxSize sizePage = m_pages[n]->GetSize();
 257
 258             if ( size.x < sizePage.x )
 259                 size.x = sizePage.x;
 260             if ( size.y < sizePage.y )
 261                 size.y = sizePage.y;
 262         }
 263     }
 264     else // no pages
 265     {
 266         // use some arbitrary default size
 267         size.x =
 268         size.y = 100;
 269     }
 270
 271     return CalcSizeFromPage(size);
 272 }
 273
 274 int wxNotebook::SetSelection(size_t nPage)
 275 {
 276     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("notebook page out of range") );
 277
 278     if ( int(nPage) != m_nSelection )
 279     {
 280         wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId);
 281         event.SetSelection(nPage);
 282         event.SetOldSelection(m_nSelection);
 283         event.SetEventObject(this);
 284         if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
 285         {
 286             // program allows the page change
 287             event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
 288             (void)GetEventHandler()->ProcessEvent(event);
 289
 290             ChangePage(m_nSelection, nPage);
 291         }
 292     }
 293
 294     return m_nSelection;
 295 }
 296
 297 bool wxNotebook::SetPageText(size_t nPage, const wxString& strText)
 298 {
 299     wxASSERT( IS_VALID_PAGE(nPage) );
 300
 301     wxNotebookPage *page = m_pages[nPage];
 302     page->SetLabel(strText);
 303     MacSetupTabs();
 304
 305     return true;
 306 }
 307
 308 wxString wxNotebook::GetPageText(size_t nPage) const
 309 {
 310     wxASSERT( IS_VALID_PAGE(nPage) );
 311
 312     wxNotebookPage *page = m_pages[nPage];
 313     return page->GetLabel();
 314 }
 315
 316 int wxNotebook::GetPageImage(size_t nPage) const
 317 {
 318     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, _T("invalid notebook page") );
 319
 320     return m_images[nPage];
 321 }
 322
 323 bool wxNotebook::SetPageImage(size_t nPage, int nImage)
 324 {
 325     wxCHECK_MSG( IS_VALID_PAGE(nPage), false, _T("invalid notebook page") );
 326
 327     wxCHECK_MSG( m_imageList && nImage < m_imageList->GetImageCount(), false,
 328         _T("invalid image index in SetPageImage()") );
 329
 330     if ( nImage != m_images[nPage] )
 331     {
 332         // if the item didn't have an icon before or, on the contrary, did have
 333         // it but has lost it now, its size will change - but if the icon just
 334         // changes, it won't
 335         m_images[nPage] = nImage;
 336
 337         MacSetupTabs() ;
 338     }
 339
 340     return true;
 341 }
 342
 343 // ----------------------------------------------------------------------------
 344 // wxNotebook operations
 345 // ----------------------------------------------------------------------------
 346
 347 // remove one page from the notebook, without deleting the window
 348 wxNotebookPage* wxNotebook::DoRemovePage(size_t nPage)
 349 {
 350     wxCHECK( IS_VALID_PAGE(nPage), NULL );
 351     wxNotebookPage* page = m_pages[nPage] ;
 352     m_pages.RemoveAt(nPage);
 353
 354     MacSetupTabs();
 355
 356     if(m_nSelection >= (int)GetPageCount()) {
 357         m_nSelection = GetPageCount() - 1;
 358     }
 359     if(m_nSelection >= 0) {
 360         m_pages[m_nSelection]->Show(true);
 361     }
 362     InvalidateBestSize();
 363     return page;
 364 }
 365
 366 // remove all pages
 367 bool wxNotebook::DeleteAllPages()
 368 {
 369     WX_CLEAR_ARRAY(m_pages) ;
 370     MacSetupTabs();
 371     m_nSelection = -1 ;
 372     InvalidateBestSize();
 373     return true;
 374 }
 375
 376
 377 // same as AddPage() but does it at given position
 378 bool wxNotebook::InsertPage(size_t nPage,
 379                             wxNotebookPage *pPage,
 380                             const wxString& strText,
 381                             bool bSelect,
 382                             int imageId)
 383 {
 384     if ( !wxNotebookBase::InsertPage(nPage, pPage, strText, bSelect, imageId) )
 385         return false;
 386
 387     wxASSERT_MSG( pPage->GetParent() == this,
 388                     _T("notebook pages must have notebook as parent") );
 389
 390     // don't show pages by default (we'll need to adjust their size first)
 391     pPage->Show( false ) ;
 392
 393     pPage->SetLabel(strText);
 394
 395     m_images.Insert(imageId, nPage);
 396
 397     MacSetupTabs();
 398
 399     wxRect rect = GetPageRect() ;
 400     pPage->SetSize(rect);
 401     if ( pPage->GetAutoLayout() ) {
 402         pPage->Layout();
 403     }
 404
 405
 406     // now deal with the selection
 407     // ---------------------------
 408
 409     // if the inserted page is before the selected one, we must update the
 410     // index of the selected page
 411
 412     if ( int(nPage) <= m_nSelection )
 413     {
 414         m_nSelection++;
 415         // while this still is the same page showing, we need to update the tabs
 416         SetControl32BitValue( (ControlHandle) m_macControl , m_nSelection + 1 ) ;
 417     }
 418
 419     // some page should be selected: either this one or the first one if there
 420     // is still no selection
 421     int selNew = -1;
 422     if ( bSelect )
 423         selNew = nPage;
 424     else if ( m_nSelection == -1 )
 425         selNew = 0;
 426
 427     if ( selNew != -1 )
 428         SetSelection(selNew);
 429
 430     InvalidateBestSize();
 431     return true;
 432 }
 433
 434 /* Added by Mark Newsam
 435 * When a page is added or deleted to the notebook this function updates
 436 * information held in the m_macControl so that it matches the order
 437 * the user would expect.
 438 */
 439 void wxNotebook::MacSetupTabs()
 440 {
 441     SetControl32BitMaximum( (ControlHandle) m_macControl , GetPageCount() ) ;
 442
 443     wxNotebookPage *page;
 444     ControlTabInfoRec info;
 445
 446     const size_t countPages = GetPageCount();
 447     for(size_t ii = 0; ii < countPages; ii++)
 448     {
 449         page = m_pages[ii];
 450         info.version = 0;
 451         info.iconSuiteID = 0;
 452         wxMacStringToPascal( page->GetLabel() , info.name ) ;
 453
 454         SetControlData( (ControlHandle) m_macControl, ii+1, kControlTabInfoTag,
 455             sizeof( ControlTabInfoRec) , (char*) &info ) ;
 456         SetTabEnabled( (ControlHandle) m_macControl , ii+1 , true ) ;
 457 #if TARGET_CARBON
 458         if ( GetImageList() && GetPageImage(ii) >= 0 && UMAGetSystemVersion() >= 0x1020 )
 459         {
 460             // tab controls only support very specific types of images, therefore we are doing an odyssee
 461             // accross the icon worlds (even Apple DTS did not find a shorter path)
 462             // in order not to pollute the icon registry we put every icon into (OSType) 1 and immediately
 463             // afterwards Unregister it (IconRef is ref counted, so it will stay on the tab even if we
 464             // unregister it) in case this will ever lead to having the same icon everywhere add some kind
 465             // of static counter
 466             const wxBitmap* bmap = GetImageList()->GetBitmapPtr( GetPageImage(ii ) ) ;
 467             if ( bmap )
 468             {
 469                 wxBitmap scaledBitmap ;
 470                 if ( bmap->GetWidth() != 16 || bmap->GetHeight() != 16 )
 471                 {
 472                     scaledBitmap = wxBitmap( bmap->ConvertToImage().Scale(16,16) ) ;
 473                     bmap = &scaledBitmap ;
 474                 }
 475                 ControlButtonContentInfo info ;
 476                 wxMacCreateBitmapButton( &info , *bmap , kControlContentPictHandle) ;
 477                 IconFamilyHandle iconFamily = (IconFamilyHandle) NewHandle(0) ;
 478                 OSErr err = SetIconFamilyData( iconFamily, 'PICT' , (Handle) info.u.picture ) ;
 479                 wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ;
 480                 IconRef iconRef ;
 481                 err = RegisterIconRefFromIconFamily( 'WXNG' , (OSType) 1, iconFamily, &iconRef ) ;
 482                 wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ;
 483                 info.contentType = kControlContentIconRef ;
 484                 info.u.iconRef = iconRef ;
 485                 SetControlData( (ControlHandle) m_macControl, ii+1,kControlTabImageContentTag,
 486                     sizeof( info ), (Ptr)&info );
 487                 wxASSERT_MSG( err == noErr , wxT("Error when setting icon on tab") ) ;
 488                 if ( UMAGetSystemVersion() < 0x1030 )
 489                 {
 490                     UnregisterIconRef( 'WXNG' , (OSType) 1 ) ;
 491                 }
 492
 493                 ReleaseIconRef( iconRef ) ;
 494                 DisposeHandle( (Handle) iconFamily ) ;
 495             }
 496         }
 497 #endif
 498     }
 499     Rect bounds;
 500     GetControlBounds((ControlHandle)m_macControl, &bounds);
 501     InvalWindowRect((WindowRef)MacGetRootWindow(), &bounds);
 502 }
 503
 504 wxRect wxNotebook::GetPageRect() const
 505 {
 506     // fit the notebook page to the tab control's display area
 507     int w, h;
 508     GetSize(&w, &h);
 509
 510     return wxRect(
 511         wxMacTabLeftMargin(GetWindowStyle()) + m_macHorizontalBorder,
 512         wxMacTabTopMargin(GetWindowStyle()) + m_macVerticalBorder,
 513         w - wxMacTabLeftMargin(GetWindowStyle()) - wxMacTabRightMargin(GetWindowStyle()) - 2*m_macHorizontalBorder,
 514         h - wxMacTabTopMargin(GetWindowStyle()) - wxMacTabBottomMargin(GetWindowStyle()) - 2*m_macVerticalBorder);
 515 }
 516 // ----------------------------------------------------------------------------
 517 // wxNotebook callbacks
 518 // ----------------------------------------------------------------------------
 519
 520 // @@@ OnSize() is used for setting the font when it's called for the first
 521 //     time because doing it in ::Create() doesn't work (for unknown reasons)
 522 void wxNotebook::OnSize(wxSizeEvent& event)
 523 {
 524
 525     unsigned int nCount = m_pages.Count();
 526     wxRect rect = GetPageRect() ;
 527     for ( unsigned int nPage = 0; nPage < nCount; nPage++ ) {
 528         wxNotebookPage *pPage = m_pages[nPage];
 529         pPage->SetSize(rect);
 530         if ( pPage->GetAutoLayout() ) {
 531             pPage->Layout();
 532         }
 533     }
 534
 535     // Processing continues to next OnSize
 536     event.Skip();
 537 }
 538
 539 void wxNotebook::OnSelChange(wxNotebookEvent& event)
 540 {
 541     // is it our tab control?
 542     if ( event.GetEventObject() == this )
 543         ChangePage(event.GetOldSelection(), event.GetSelection());
 544
 545     // we want to give others a chance to process this message as well
 546     event.Skip();
 547 }
 548
 549 void wxNotebook::OnSetFocus(wxFocusEvent& event)
 550 {
 551     // set focus to the currently selected page if any
 552     if ( m_nSelection != -1 )
 553         m_pages[m_nSelection]->SetFocus();
 554
 555     event.Skip();
 556 }
 557
 558 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 559 {
 560     if ( event.IsWindowChange() ) {
 561         // change pages
 562         AdvanceSelection(event.GetDirection());
 563     }
 564     else {
 565         // we get this event in 2 cases
 566         //
 567         // a) one of our pages might have generated it because the user TABbed
 568         // out from it in which case we should propagate the event upwards and
 569         // our parent will take care of setting the focus to prev/next sibling
 570         //
 571         // or
 572         //
 573         // b) the parent panel wants to give the focus to us so that we
 574         // forward it to our selected page. We can't deal with this in
 575         // OnSetFocus() because we don't know which direction the focus came
 576         // from in this case and so can't choose between setting the focus to
 577         // first or last panel child
 578         wxWindow *parent = GetParent();
 579         // the cast is here to fic a GCC ICE
 580         if ( ((wxWindow*)event.GetEventObject()) == parent )
 581         {
 582             // no, it doesn't come from child, case (b): forward to a page
 583             if ( m_nSelection != -1 )
 584             {
 585                 // so that the page knows that the event comes from it's parent
 586                 // and is being propagated downwards
 587                 event.SetEventObject(this);
 588
 589                 wxWindow *page = m_pages[m_nSelection];
 590                 if ( !page->GetEventHandler()->ProcessEvent(event) )
 591                 {
 592                     page->SetFocus();
 593                 }
 594                 //else: page manages focus inside it itself
 595             }
 596             else
 597             {
 598                 // we have no pages - still have to give focus to _something_
 599                 SetFocus();
 600             }
 601         }
 602         else
 603         {
 604             // it comes from our child, case (a), pass to the parent
 605             if ( parent ) {
 606                 event.SetCurrentFocus(this);
 607                 parent->GetEventHandler()->ProcessEvent(event);
 608             }
 609         }
 610     }
 611 }
 612
 613 // ----------------------------------------------------------------------------
 614 // wxNotebook base class virtuals
 615 // ----------------------------------------------------------------------------
 616
 617 #if wxUSE_CONSTRAINTS
 618
 619 // override these 2 functions to do nothing: everything is done in OnSize
 620
 621 void wxNotebook::SetConstraintSizes(bool WXUNUSED(recurse))
 622 {
 623     // don't set the sizes of the pages - their correct size is not yet known
 624     wxControl::SetConstraintSizes(false);
 625 }
 626
 627 bool wxNotebook::DoPhase(int WXUNUSED(nPhase))
 628 {
 629     return true;
 630 }
 631
 632 #endif // wxUSE_CONSTRAINTS
 633
 634 void wxNotebook::Command(wxCommandEvent& event)
 635 {
 636     wxFAIL_MSG(wxT("wxNotebook::Command not implemented"));
 637 }
 638
 639 // ----------------------------------------------------------------------------
 640 // wxNotebook helper functions
 641 // ----------------------------------------------------------------------------
 642
 643 // hide the currently active panel and show the new one
 644 void wxNotebook::ChangePage(int nOldSel, int nSel)
 645 {
 646     if ( nOldSel != -1 )
 647     {
 648         m_pages[nOldSel]->Show(false);
 649     }
 650
 651     if ( nSel != -1 )
 652     {
 653         wxNotebookPage *pPage = m_pages[nSel];
 654         pPage->Show(true);
 655         pPage->SetFocus();
 656     }
 657
 658     m_nSelection = nSel;
 659     SetControl32BitValue( (ControlHandle) m_macControl , m_nSelection + 1 ) ;
 660 }
 661
 662
 663 void  wxNotebook::OnMouse( wxMouseEvent &event )
 664 {
 665     if ( (ControlHandle) m_macControl == NULL )
 666     {
 667         event.Skip() ;
 668         return ;
 669     }
 670
 671     if (event.GetEventType() == wxEVT_LEFT_DOWN || event.GetEventType() == wxEVT_LEFT_DCLICK )
 672     {
 673         int x = event.m_x ;
 674         int y = event.m_y ;
 675
 676         MacClientToRootWindow( &x , &y ) ;
 677
 678         ControlHandle   control ;
 679         Point       localwhere ;
 680         SInt16      controlpart ;
 681
 682         localwhere.h = x ;
 683         localwhere.v = y ;
 684
 685         short modifiers = 0;
 686
 687         if ( !event.m_leftDown && !event.m_rightDown )
 688             modifiers  |= btnState ;
 689
 690         if ( event.m_shiftDown )
 691             modifiers |= shiftKey ;
 692
 693         if ( event.m_controlDown )
 694             modifiers |= controlKey ;
 695
 696         if ( event.m_altDown )
 697             modifiers |= optionKey ;
 698
 699         if ( event.m_metaDown )
 700             modifiers |= cmdKey ;
 701
 702         control = (ControlHandle) m_macControl ;
 703         if ( control && ::IsControlActive( control ) )
 704         {
 705             {
 706                 wxNotebookEvent changing(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId,
 707                     ::GetControl32BitValue(control) - 1, m_nSelection);
 708                 changing.SetEventObject(this);
 709                 GetEventHandler()->ProcessEvent(changing);
 710
 711                 if(changing.IsAllowed())
 712                 {
 713                     controlpart = ::HandleControlClick(control, localwhere, modifiers,
 714                         (ControlActionUPP) -1);
 715                     wxTheApp->s_lastMouseDown = 0 ;
 716
 717                     wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, m_windowId,
 718                         ::GetControl32BitValue(control) - 1, m_nSelection);
 719                     event.SetEventObject(this);
 720
 721                     GetEventHandler()->ProcessEvent(event);
 722                 }
 723             }
 724         }
 725     }
 726 }
 727
 728
 729 void wxNotebook::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED( mouseStillDown ) )
 730 {
 731 #if 0
 732     wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, m_windowId , ::GetControl32BitValue((ControlHandle)m_macControl) - 1, m_nSelection);
 733     event.SetEventObject(this);
 734
 735     ProcessEvent(event);
 736 #endif
 737 }