src/mac/notebmac.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        notebook.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 #ifdef __GNUG__
  13 #pragma implementation "notebook.h"
  14 #endif
  15
  16 // ============================================================================
  17 // declarations
  18 // ============================================================================
  19
  20 // ----------------------------------------------------------------------------
  21 // headers
  22 // ----------------------------------------------------------------------------
  23 #include "wx/app.h"
  24 #include "wx/string.h"
  25 #include "wx/log.h"
  26 #include "wx/imaglist.h"
  27 #include "wx/image.h"
  28 #include "wx/notebook.h"
  29 #include "wx/mac/uma.h"
  30 // ----------------------------------------------------------------------------
  31 // macros
  32 // ----------------------------------------------------------------------------
  33
  34 // check that the page index is valid
  35 #define IS_VALID_PAGE(nPage) ((nPage) < GetPageCount())
  36
  37
  38 // ----------------------------------------------------------------------------
  39 // event table
  40 // ----------------------------------------------------------------------------
  41
  42 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  43 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  44
  45 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
  46     EVT_NOTEBOOK_PAGE_CHANGED(-1, wxNotebook::OnSelChange)
  47     EVT_MOUSE_EVENTS(wxNotebook::OnMouse)
  48
  49     EVT_SIZE(wxNotebook::OnSize)
  50     EVT_SET_FOCUS(wxNotebook::OnSetFocus)
  51     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
  52 END_EVENT_TABLE()
  53
  54 IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
  55 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxCommandEvent)
  56
  57 // ============================================================================
  58 // implementation
  59 // ============================================================================
  60
  61 // The Appearance Manager docs show using tab controls in either edge to edge
  62 // mode, or inset.  I think edge to edge conforms better to the other ports,
  63 // and inset mode is better accomplished with space around the wxNotebook rather
  64 // than within it.    --Robin
  65
  66 // CS : had to switch off tight spacing due to 10.3 problems
  67 #define wxMAC_EDGE_TO_EDGE 0
  68
  69 static inline int wxMacTabMargin(long nbStyle, long side)
  70 {
  71     static int tabMargin = -1;
  72     static int otherMargin = -1;
  73
  74     if ( tabMargin == -1)
  75     {
  76         if ( UMAHasAquaLayout() )
  77         {
  78             tabMargin = 26;    // From Appearance Manager docs for small tab control dimensions
  79 #if wxMAC_EDGE_TO_EDGE
  80             otherMargin = 0;
  81 #else
  82             otherMargin = 20;
  83 #endif
  84         }
  85         else
  86         {
  87             tabMargin = 30;
  88 #if wxMAC_EDGE_TO_EDGE
  89             otherMargin = 0;
  90 #else
  91             otherMargin = 16;
  92 #endif
  93         }
  94     }
  95
  96     // If the style matches the side asked for then return the tab margin,
  97     // but we have to special case wxNB_TOP since it is zero...
  98     if ( side == wxNB_TOP)
  99     {
 100         if ( nbStyle != 0 && nbStyle & (wxNB_LEFT|wxNB_RIGHT|wxNB_BOTTOM))
 101         {
 102             return otherMargin;
 103         }
 104         else
 105         {
 106             return tabMargin;
 107         }
 108     }
 109     else if ( nbStyle & side)
 110         return tabMargin;
 111     else
 112         return otherMargin;
 113 }
 114
 115 static inline int wxMacTabLeftMargin(long style)
 116 {
 117     return wxMacTabMargin(style, wxNB_LEFT);
 118 }
 119
 120 static inline int wxMacTabTopMargin(long style)
 121 {
 122     return wxMacTabMargin(style, wxNB_TOP);
 123 }
 124
 125 static inline int wxMacTabRightMargin(long style)
 126 {
 127     return wxMacTabMargin(style, wxNB_RIGHT);
 128 }
 129
 130 static inline int wxMacTabBottomMargin(long style)
 131 {
 132     return wxMacTabMargin(style, wxNB_BOTTOM);
 133 }
 134
 135 // ----------------------------------------------------------------------------
 136 // wxNotebook construction
 137 // ----------------------------------------------------------------------------
 138
 139 // common part of all ctors
 140 void wxNotebook::Init()
 141 {
 142     if ( UMAHasAquaLayout() )
 143     {
 144         // Should these depend on wxMAC_EDGE_TO_EDGE too?
 145         m_macHorizontalBorder = 7;
 146         m_macVerticalBorder = 8;
 147     }
 148
 149     m_nSelection = -1;
 150 }
 151
 152 // default for dynamic class
 153 wxNotebook::wxNotebook()
 154 {
 155     Init();
 156 }
 157
 158 // the same arguments as for wxControl
 159 wxNotebook::wxNotebook(wxWindow *parent,
 160                        wxWindowID id,
 161                        const wxPoint& pos,
 162                        const wxSize& size,
 163                        long style,
 164                        const wxString& name)
 165 {
 166     Init();
 167
 168     Create(parent, id, pos, size, style, name);
 169 }
 170
 171 // Create() function
 172 bool wxNotebook::Create(wxWindow *parent,
 173                         wxWindowID id,
 174                         const wxPoint& pos,
 175                         const wxSize& size,
 176                         long style,
 177                         const wxString& name)
 178 {
 179     if ( !wxNotebookBase::Create(parent, id, pos, size, style, name) )
 180         return false;
 181
 182     Rect bounds ;
 183     Str255 title ;
 184
 185     MacPreControlCreate( parent , id ,  wxEmptyString , pos , size ,style, wxDefaultValidator , name , &bounds , title ) ;
 186
 187     int tabstyle = kControlTabSmallNorthProc ;
 188     if ( HasFlag(wxNB_LEFT) )
 189         tabstyle = kControlTabSmallWestProc ;
 190     else if ( HasFlag( wxNB_RIGHT ) )
 191         tabstyle = kControlTabSmallEastProc ;
 192     else if ( HasFlag( wxNB_BOTTOM ) )
 193         tabstyle = kControlTabSmallSouthProc ;
 194
 195
 196     m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , 0 , 1,
 197         tabstyle , (long) this ) ;
 198
 199     MacPostControlCreate() ;
 200     return TRUE ;
 201 }
 202
 203 // dtor
 204 wxNotebook::~wxNotebook()
 205 {
 206 }
 207
 208 wxSize wxNotebook::CalcSizeFromPage(const wxSize& sizePage) const
 209 {
 210     wxSize sizeTotal = sizePage;
 211
 212     int major,minor;
 213     wxGetOsVersion( &major, &minor );
 214
 215     // Mac has large notebook borders. Aqua even more so.
 216
 217     if ( HasFlag(wxNB_LEFT) || HasFlag(wxNB_RIGHT) )
 218     {
 219         sizeTotal.x += 90;
 220
 221         if (major >= 10)
 222             sizeTotal.y += 28;
 223         else
 224             sizeTotal.y += 20;
 225     }
 226     else
 227     {
 228         if (major >= 10)
 229         {
 230             sizeTotal.x += 34;
 231             sizeTotal.y += 46;
 232         }
 233         else
 234         {
 235             sizeTotal.x += 22;
 236             sizeTotal.y += 44;
 237         }
 238     }
 239
 240     return sizeTotal;
 241 }
 242
 243 // ----------------------------------------------------------------------------
 244 // wxNotebook accessors
 245 // ----------------------------------------------------------------------------
 246
 247 void wxNotebook::SetPadding(const wxSize& padding)
 248 {
 249     wxFAIL_MSG( wxT("wxNotebook::SetPadding not implemented") );
 250 }
 251
 252 void wxNotebook::SetTabSize(const wxSize& sz)
 253 {
 254     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 255 }
 256
 257 void wxNotebook::SetPageSize(const wxSize& size)
 258 {
 259     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 260 }
 261
 262 int wxNotebook::SetSelection(size_t nPage)
 263 {
 264     wxCHECK_MSG( IS_VALID_PAGE(nPage), -1, wxT("notebook page out of range") );
 265
 266     if ( int(nPage) != m_nSelection )
 267     {
 268         wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId);
 269         event.SetSelection(nPage);
 270         event.SetOldSelection(m_nSelection);
 271         event.SetEventObject(this);
 272         if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
 273         {
 274             // program allows the page change
 275             event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
 276             (void)GetEventHandler()->ProcessEvent(event);
 277
 278             ChangePage(m_nSelection, nPage);
 279         }
 280     }
 281
 282     return m_nSelection;
 283 }
 284
 285 bool wxNotebook::SetPageText(size_t nPage, const wxString& strText)
 286 {
 287     wxASSERT( IS_VALID_PAGE(nPage) );
 288
 289     wxNotebookPage *page = m_pages[nPage];
 290     page->SetLabel(strText);
 291     MacSetupTabs();
 292
 293     return true;
 294 }
 295
 296 wxString wxNotebook::GetPageText(size_t nPage) const
 297 {
 298     wxASSERT( IS_VALID_PAGE(nPage) );
 299
 300     wxNotebookPage *page = m_pages[nPage];
 301     return page->GetLabel();
 302 }
 303
 304 int wxNotebook::GetPageImage(size_t nPage) const
 305 {
 306     wxCHECK_MSG( IS_VALID_PAGE(nPage), -1, _T("invalid notebook page") );
 307
 308     return m_images[nPage];
 309 }
 310
 311 bool wxNotebook::SetPageImage(size_t nPage, int nImage)
 312 {
 313     wxCHECK_MSG( IS_VALID_PAGE(nPage), FALSE, _T("invalid notebook page") );
 314
 315     wxCHECK_MSG( m_imageList && nImage < m_imageList->GetImageCount(), FALSE,
 316         _T("invalid image index in SetPageImage()") );
 317
 318     if ( nImage != m_images[nPage] )
 319     {
 320         // if the item didn't have an icon before or, on the contrary, did have
 321         // it but has lost it now, its size will change - but if the icon just
 322         // changes, it won't
 323         m_images[nPage] = nImage;
 324
 325         MacSetupTabs() ;
 326     }
 327
 328     return TRUE;
 329 }
 330
 331 // ----------------------------------------------------------------------------
 332 // wxNotebook operations
 333 // ----------------------------------------------------------------------------
 334
 335 // remove one page from the notebook, without deleting the window
 336 wxNotebookPage* wxNotebook::DoRemovePage(size_t nPage)
 337 {
 338     wxCHECK( IS_VALID_PAGE(nPage), NULL );
 339     wxNotebookPage* page = m_pages[nPage] ;
 340     m_pages.RemoveAt(nPage);
 341
 342     MacSetupTabs();
 343
 344     if(m_nSelection >= (int)GetPageCount()) {
 345         m_nSelection = GetPageCount() - 1;
 346     }
 347     if(m_nSelection >= 0) {
 348         m_pages[m_nSelection]->Show(true);
 349     }
 350     return page;
 351 }
 352
 353 // remove all pages
 354 bool wxNotebook::DeleteAllPages()
 355 {
 356     WX_CLEAR_ARRAY(m_pages) ;
 357     MacSetupTabs();
 358     m_nSelection = -1 ;
 359     return TRUE;
 360 }
 361
 362
 363 // same as AddPage() but does it at given position
 364 bool wxNotebook::InsertPage(size_t nPage,
 365                             wxNotebookPage *pPage,
 366                             const wxString& strText,
 367                             bool bSelect,
 368                             int imageId)
 369 {
 370     if ( !wxNotebookBase::InsertPage(nPage, pPage, strText, bSelect, imageId) )
 371         return false;
 372
 373     wxASSERT_MSG( pPage->GetParent() == this,
 374                     _T("notebook pages must have notebook as parent") );
 375
 376     // don't show pages by default (we'll need to adjust their size first)
 377     pPage->Show( false ) ;
 378
 379     pPage->SetLabel(strText);
 380
 381     m_images.Insert(imageId, nPage);
 382
 383     MacSetupTabs();
 384
 385     int h, w;
 386     GetSize(&w, &h);
 387     pPage->SetSize(wxMacTabLeftMargin(GetWindowStyle()) + m_macHorizontalBorder,
 388                    wxMacTabTopMargin(GetWindowStyle()) + m_macVerticalBorder,
 389                    w - wxMacTabLeftMargin(GetWindowStyle()) - wxMacTabRightMargin(GetWindowStyle()) - 2*m_macHorizontalBorder,
 390                    h - wxMacTabTopMargin(GetWindowStyle()) - wxMacTabBottomMargin(GetWindowStyle()) - 2*m_macVerticalBorder);
 391     if ( pPage->GetAutoLayout() ) {
 392         pPage->Layout();
 393     }
 394
 395
 396     // now deal with the selection
 397     // ---------------------------
 398
 399     // if the inserted page is before the selected one, we must update the
 400     // index of the selected page
 401
 402     if ( int(nPage) <= m_nSelection )
 403     {
 404         m_nSelection++;
 405         // while this still is the same page showing, we need to update the tabs
 406         SetControl32BitValue( (ControlHandle) m_macControl , m_nSelection + 1 ) ;
 407     }
 408
 409     // some page should be selected: either this one or the first one if there
 410     // is still no selection
 411     int selNew = -1;
 412     if ( bSelect )
 413         selNew = nPage;
 414     else if ( m_nSelection == -1 )
 415         selNew = 0;
 416
 417     if ( selNew != -1 )
 418         SetSelection(selNew);
 419
 420     return true;
 421 }
 422
 423 /* Added by Mark Newsam
 424 * When a page is added or deleted to the notebook this function updates
 425 * information held in the m_macControl so that it matches the order
 426 * the user would expect.
 427 */
 428 void wxNotebook::MacSetupTabs()
 429 {
 430     SetControl32BitMaximum( (ControlHandle) m_macControl , GetPageCount() ) ;
 431
 432     wxNotebookPage *page;
 433     ControlTabInfoRec info;
 434
 435     const size_t countPages = GetPageCount();
 436     for(size_t ii = 0; ii < countPages; ii++)
 437     {
 438         page = m_pages[ii];
 439         info.version = 0;
 440         info.iconSuiteID = 0;
 441         wxMacStringToPascal( page->GetLabel() , info.name ) ;
 442
 443         SetControlData( (ControlHandle) m_macControl, ii+1, kControlTabInfoTag,
 444             sizeof( ControlTabInfoRec) , (char*) &info ) ;
 445         SetTabEnabled( (ControlHandle) m_macControl , ii+1 , true ) ;
 446 #if TARGET_CARBON
 447         if ( GetImageList() && GetPageImage(ii) >= 0 && UMAGetSystemVersion() >= 0x1020 )
 448         {
 449             // tab controls only support very specific types of images, therefore we are doing an odyssee
 450             // accross the icon worlds (even Apple DTS did not find a shorter path)
 451             // in order not to pollute the icon registry we put every icon into (OSType) 1 and immediately
 452             // afterwards Unregister it (IconRef is ref counted, so it will stay on the tab even if we
 453             // unregister it) in case this will ever lead to having the same icon everywhere add some kind
 454             // of static counter
 455             const wxBitmap* bmap = GetImageList()->GetBitmap( GetPageImage(ii ) ) ;
 456             if ( bmap )
 457             {
 458                 wxBitmap scaledBitmap ;
 459                 if ( bmap->GetWidth() != 16 || bmap->GetHeight() != 16 )
 460                 {
 461                     scaledBitmap = wxBitmap( bmap->ConvertToImage().Scale(16,16) ) ;
 462                     bmap = &scaledBitmap ;
 463                 }
 464                 ControlButtonContentInfo info ;
 465                 wxMacCreateBitmapButton( &info , *bmap , kControlContentPictHandle) ;
 466                 IconFamilyHandle iconFamily = (IconFamilyHandle) NewHandle(0) ;
 467                 OSErr err = SetIconFamilyData( iconFamily, 'PICT' , (Handle) info.u.picture ) ;
 468                 wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ;
 469                 IconRef iconRef ;
 470                 err = RegisterIconRefFromIconFamily( 'WXNG' , (OSType) 1, iconFamily, &iconRef ) ;
 471                 wxASSERT_MSG( err == noErr , wxT("Error when adding bitmap") ) ;
 472                 info.contentType = kControlContentIconRef ;
 473                 info.u.iconRef = iconRef ;
 474                 SetControlData( (ControlHandle) m_macControl, ii+1,kControlTabImageContentTag,
 475                     sizeof( info ), (Ptr)&info );
 476                 wxASSERT_MSG( err == noErr , wxT("Error when setting icon on tab") ) ;
 477                 if ( UMAGetSystemVersion() <= 0x1030 )
 478                 {
 479                         UnregisterIconRef( 'WXNG' , (OSType) 1 ) ;
 480                 }
 481
 482                 ReleaseIconRef( iconRef ) ;
 483                 DisposeHandle( (Handle) iconFamily ) ;
 484             }
 485         }
 486 #endif
 487     }
 488     Rect bounds;
 489     GetControlBounds((ControlHandle)m_macControl, &bounds);
 490     InvalWindowRect((WindowRef)MacGetRootWindow(), &bounds);
 491 }
 492
 493 // ----------------------------------------------------------------------------
 494 // wxNotebook callbacks
 495 // ----------------------------------------------------------------------------
 496
 497 // @@@ OnSize() is used for setting the font when it's called for the first
 498 //     time because doing it in ::Create() doesn't work (for unknown reasons)
 499 void wxNotebook::OnSize(wxSizeEvent& event)
 500 {
 501     // emulate page change (it's esp. important to do it first time because
 502     // otherwise our page would stay invisible)
 503     /*
 504     int nSel = m_nSelection;
 505     m_nSelection = -1;
 506     SetSelection(nSel);
 507     */
 508
 509     // fit the notebook page to the tab control's display area
 510     int w, h;
 511     GetSize(&w, &h);
 512
 513     unsigned int nCount = m_pages.Count();
 514     for ( unsigned int nPage = 0; nPage < nCount; nPage++ ) {
 515         wxNotebookPage *pPage = m_pages[nPage];
 516         pPage->SetSize(wxMacTabLeftMargin(GetWindowStyle()) + m_macHorizontalBorder,
 517                        wxMacTabTopMargin(GetWindowStyle()) + m_macVerticalBorder,
 518                        w - wxMacTabLeftMargin(GetWindowStyle()) - wxMacTabRightMargin(GetWindowStyle()) - 2*m_macHorizontalBorder,
 519                        h - wxMacTabTopMargin(GetWindowStyle()) - wxMacTabBottomMargin(GetWindowStyle()) - 2*m_macVerticalBorder);
 520         if ( pPage->GetAutoLayout() ) {
 521             pPage->Layout();
 522         }
 523     }
 524
 525     // Processing continues to next OnSize
 526     event.Skip();
 527 }
 528
 529 void wxNotebook::OnSelChange(wxNotebookEvent& event)
 530 {
 531     // is it our tab control?
 532     if ( event.GetEventObject() == this )
 533         ChangePage(event.GetOldSelection(), event.GetSelection());
 534
 535     // we want to give others a chance to process this message as well
 536     event.Skip();
 537 }
 538
 539 void wxNotebook::OnSetFocus(wxFocusEvent& event)
 540 {
 541     // set focus to the currently selected page if any
 542     if ( m_nSelection != -1 )
 543         m_pages[m_nSelection]->SetFocus();
 544
 545     event.Skip();
 546 }
 547
 548 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 549 {
 550     if ( event.IsWindowChange() ) {
 551         // change pages
 552         AdvanceSelection(event.GetDirection());
 553     }
 554     else {
 555         // we get this event in 2 cases
 556         //
 557         // a) one of our pages might have generated it because the user TABbed
 558         // out from it in which case we should propagate the event upwards and
 559         // our parent will take care of setting the focus to prev/next sibling
 560         //
 561         // or
 562         //
 563         // b) the parent panel wants to give the focus to us so that we
 564         // forward it to our selected page. We can't deal with this in
 565         // OnSetFocus() because we don't know which direction the focus came
 566         // from in this case and so can't choose between setting the focus to
 567         // first or last panel child
 568         wxWindow *parent = GetParent();
 569         // the cast is here to fic a GCC ICE
 570         if ( ((wxWindow*)event.GetEventObject()) == parent )
 571         {
 572             // no, it doesn't come from child, case (b): forward to a page
 573             if ( m_nSelection != -1 )
 574             {
 575                 // so that the page knows that the event comes from it's parent
 576                 // and is being propagated downwards
 577                 event.SetEventObject(this);
 578
 579                 wxWindow *page = m_pages[m_nSelection];
 580                 if ( !page->GetEventHandler()->ProcessEvent(event) )
 581                 {
 582                     page->SetFocus();
 583                 }
 584                 //else: page manages focus inside it itself
 585             }
 586             else
 587             {
 588                 // we have no pages - still have to give focus to _something_
 589                 SetFocus();
 590             }
 591         }
 592         else
 593         {
 594             // it comes from our child, case (a), pass to the parent
 595             if ( parent ) {
 596                 event.SetCurrentFocus(this);
 597                 parent->GetEventHandler()->ProcessEvent(event);
 598             }
 599         }
 600     }
 601 }
 602
 603 // ----------------------------------------------------------------------------
 604 // wxNotebook base class virtuals
 605 // ----------------------------------------------------------------------------
 606
 607 #if wxUSE_CONSTRAINTS
 608
 609 // override these 2 functions to do nothing: everything is done in OnSize
 610
 611 void wxNotebook::SetConstraintSizes(bool WXUNUSED(recurse))
 612 {
 613   // don't set the sizes of the pages - their correct size is not yet known
 614   wxControl::SetConstraintSizes(FALSE);
 615 }
 616
 617 bool wxNotebook::DoPhase(int WXUNUSED(nPhase))
 618 {
 619   return TRUE;
 620 }
 621
 622 #endif // wxUSE_CONSTRAINTS
 623
 624 void wxNotebook::Command(wxCommandEvent& event)
 625 {
 626     wxFAIL_MSG(wxT("wxNotebook::Command not implemented"));
 627 }
 628
 629 // ----------------------------------------------------------------------------
 630 // wxNotebook helper functions
 631 // ----------------------------------------------------------------------------
 632
 633 // hide the currently active panel and show the new one
 634 void wxNotebook::ChangePage(int nOldSel, int nSel)
 635 {
 636     if ( nOldSel != -1 )
 637     {
 638         m_pages[nOldSel]->Show(FALSE);
 639     }
 640
 641     if ( nSel != -1 )
 642     {
 643         wxNotebookPage *pPage = m_pages[nSel];
 644         pPage->Show(TRUE);
 645         pPage->SetFocus();
 646     }
 647
 648     m_nSelection = nSel;
 649     SetControl32BitValue( (ControlHandle) m_macControl , m_nSelection + 1 ) ;
 650 }
 651
 652
 653 void  wxNotebook::OnMouse( wxMouseEvent &event )
 654 {
 655     if ( (ControlHandle) m_macControl == NULL )
 656     {
 657         event.Skip() ;
 658         return ;
 659     }
 660
 661     if (event.GetEventType() == wxEVT_LEFT_DOWN || event.GetEventType() == wxEVT_LEFT_DCLICK )
 662     {
 663         int x = event.m_x ;
 664         int y = event.m_y ;
 665
 666         MacClientToRootWindow( &x , &y ) ;
 667
 668         ControlHandle   control ;
 669         Point       localwhere ;
 670         SInt16      controlpart ;
 671
 672         localwhere.h = x ;
 673         localwhere.v = y ;
 674
 675         short modifiers = 0;
 676
 677         if ( !event.m_leftDown && !event.m_rightDown )
 678             modifiers  |= btnState ;
 679
 680         if ( event.m_shiftDown )
 681             modifiers |= shiftKey ;
 682
 683         if ( event.m_controlDown )
 684             modifiers |= controlKey ;
 685
 686         if ( event.m_altDown )
 687             modifiers |= optionKey ;
 688
 689         if ( event.m_metaDown )
 690             modifiers |= cmdKey ;
 691
 692         control = (ControlHandle) m_macControl ;
 693         if ( control && ::IsControlActive( control ) )
 694         {
 695             {
 696                 wxNotebookEvent changing(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId,
 697                     ::GetControl32BitValue(control) - 1, m_nSelection);
 698                 changing.SetEventObject(this);
 699                 GetEventHandler()->ProcessEvent(changing);
 700
 701                 if(changing.IsAllowed())
 702                 {
 703                     controlpart = ::HandleControlClick(control, localwhere, modifiers,
 704                         (ControlActionUPP) -1);
 705                     wxTheApp->s_lastMouseDown = 0 ;
 706
 707                     wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, m_windowId,
 708                         ::GetControl32BitValue(control) - 1, m_nSelection);
 709                     event.SetEventObject(this);
 710
 711                     GetEventHandler()->ProcessEvent(event);
 712                 }
 713             }
 714         }
 715     }
 716 }
 717
 718
 719 void wxNotebook::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED( mouseStillDown ) )
 720 {
 721 #if 0
 722     wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, m_windowId , ::GetControl32BitValue((ControlHandle)m_macControl) - 1, m_nSelection);
 723     event.SetEventObject(this);
 724
 725     ProcessEvent(event);
 726 #endif
 727 }
 728