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 // ----------------------------------------------------------------------------
 209 // wxNotebook accessors
 210 // ----------------------------------------------------------------------------
 211
 212 void wxNotebook::SetPadding(const wxSize& padding)
 213 {
 214     // unsupported by OS
 215 }
 216
 217 void wxNotebook::SetTabSize(const wxSize& sz)
 218 {
 219     // unsupported by OS
 220 }
 221
 222 void wxNotebook::SetPageSize(const wxSize& size)
 223 {
 224     SetSize( CalcSizeFromPage( size ) );
 225 }
 226
 227 wxSize wxNotebook::CalcSizeFromPage(const wxSize& sizePage) const
 228 {
 229     wxSize sizeTotal = sizePage;
 230     sizeTotal.x += 2 * m_macHorizontalBorder + wxMacTabLeftMargin(GetWindowStyle()) +
 231         wxMacTabRightMargin(GetWindowStyle()) ;
 232     sizeTotal.y += 2 * m_macVerticalBorder + wxMacTabTopMargin(GetWindowStyle()) +
 233         wxMacTabBottomMargin(GetWindowStyle()) ;
 234
 235     return sizeTotal;
 236 }
 237
 238 wxSize wxNotebook::DoGetBestSize() const
 239 {
 240     // calculate the max page size
 241     wxSize size(0, 0);
 242
 243     size_t count = GetPageCount();
 244     if ( count )
 245     {
 246         for ( size_t n = 0; n < count; n++ )
 247         {
 248             wxSize sizePage = m_pages[n]->GetSize();
 249
 250             if ( size.x < sizePage.x )
 251                 size.x = sizePage.x;
 252             if ( size.y < sizePage.y )
 253                 size.y = sizePage.y;
 254         }
 255     }
 256     else // no pages
 257     {
 258         // use some arbitrary default size
 259         size.x =
 260         size.y = 100;
 261     }
 262
 263     return CalcSizeFromPage(size);
 264 }
 265
 266 int wxNotebook::SetSelection(size_t nPage)
 267 {
 268     wxCHECK_MSG( IS_VALID_PAGE(nPage), -1, wxT("notebook page out of range") );
 269
 270     if ( int(nPage) != m_nSelection )
 271     {
 272         wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId);
 273         event.SetSelection(nPage);
 274         event.SetOldSelection(m_nSelection);
 275         event.SetEventObject(this);
 276         if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
 277         {
 278             // program allows the page change
 279             event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
 280             (void)GetEventHandler()->ProcessEvent(event);
 281
 282             ChangePage(m_nSelection, nPage);
 283         }
 284     }
 285
 286     return m_nSelection;
 287 }
 288
 289 bool wxNotebook::SetPageText(size_t nPage, const wxString& strText)
 290 {
 291     wxASSERT( IS_VALID_PAGE(nPage) );
 292
 293     wxNotebookPage *page = m_pages[nPage];
 294     page->SetLabel(strText);
 295     MacSetupTabs();
 296
 297     return true;
 298 }
 299
 300 wxString wxNotebook::GetPageText(size_t nPage) const
 301 {
 302     wxASSERT( IS_VALID_PAGE(nPage) );
 303
 304     wxNotebookPage *page = m_pages[nPage];
 305     return page->GetLabel();
 306 }
 307
 308 int wxNotebook::GetPageImage(size_t nPage) const
 309 {
 310     wxCHECK_MSG( IS_VALID_PAGE(nPage), -1, _T("invalid notebook page") );
 311
 312     return m_images[nPage];
 313 }
 314
 315 bool wxNotebook::SetPageImage(size_t nPage, int nImage)
 316 {
 317     wxCHECK_MSG( IS_VALID_PAGE(nPage), FALSE, _T("invalid notebook page") );
 318
 319     wxCHECK_MSG( m_imageList && nImage < m_imageList->GetImageCount(), FALSE,
 320         _T("invalid image index in SetPageImage()") );
 321
 322     if ( nImage != m_images[nPage] )
 323     {
 324         // if the item didn't have an icon before or, on the contrary, did have
 325         // it but has lost it now, its size will change - but if the icon just
 326         // changes, it won't
 327         m_images[nPage] = nImage;
 328
 329         MacSetupTabs() ;
 330     }
 331
 332     return TRUE;
 333 }
 334
 335 // ----------------------------------------------------------------------------
 336 // wxNotebook operations
 337 // ----------------------------------------------------------------------------
 338
 339 // remove one page from the notebook, without deleting the window
 340 wxNotebookPage* wxNotebook::DoRemovePage(size_t nPage)
 341 {
 342     wxCHECK( IS_VALID_PAGE(nPage), NULL );
 343     wxNotebookPage* page = m_pages[nPage] ;
 344     m_pages.RemoveAt(nPage);
 345
 346     MacSetupTabs();
 347
 348     if(m_nSelection >= (int)GetPageCount()) {
 349         m_nSelection = GetPageCount() - 1;
 350     }
 351     if(m_nSelection >= 0) {
 352         m_pages[m_nSelection]->Show(true);
 353     }
 354     return page;
 355 }
 356
 357 // remove all pages
 358 bool wxNotebook::DeleteAllPages()
 359 {
 360     WX_CLEAR_ARRAY(m_pages) ;
 361     MacSetupTabs();
 362     m_nSelection = -1 ;
 363     return TRUE;
 364 }
 365
 366
 367 // same as AddPage() but does it at given position
 368 bool wxNotebook::InsertPage(size_t nPage,
 369                             wxNotebookPage *pPage,
 370                             const wxString& strText,
 371                             bool bSelect,
 372                             int imageId)
 373 {
 374     if ( !wxNotebookBase::InsertPage(nPage, pPage, strText, bSelect, imageId) )
 375         return false;
 376
 377     wxASSERT_MSG( pPage->GetParent() == this,
 378                     _T("notebook pages must have notebook as parent") );
 379
 380     // don't show pages by default (we'll need to adjust their size first)
 381     pPage->Show( false ) ;
 382
 383     pPage->SetLabel(strText);
 384
 385     m_images.Insert(imageId, nPage);
 386
 387     MacSetupTabs();
 388
 389     wxRect rect = GetPageRect() ;
 390     pPage->SetSize(rect);
 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 wxRect wxNotebook::GetPageRect() const
 494 {
 495     // fit the notebook page to the tab control's display area
 496     int w, h;
 497     GetSize(&w, &h);
 498
 499     return wxRect(
 500         wxMacTabLeftMargin(GetWindowStyle()) + m_macHorizontalBorder,
 501         wxMacTabTopMargin(GetWindowStyle()) + m_macVerticalBorder,
 502         w - wxMacTabLeftMargin(GetWindowStyle()) - wxMacTabRightMargin(GetWindowStyle()) - 2*m_macHorizontalBorder,
 503         h - wxMacTabTopMargin(GetWindowStyle()) - wxMacTabBottomMargin(GetWindowStyle()) - 2*m_macVerticalBorder);
 504 }
 505 // ----------------------------------------------------------------------------
 506 // wxNotebook callbacks
 507 // ----------------------------------------------------------------------------
 508
 509 // @@@ OnSize() is used for setting the font when it's called for the first
 510 //     time because doing it in ::Create() doesn't work (for unknown reasons)
 511 void wxNotebook::OnSize(wxSizeEvent& event)
 512 {
 513
 514     unsigned int nCount = m_pages.Count();
 515     wxRect rect = GetPageRect() ;
 516     for ( unsigned int nPage = 0; nPage < nCount; nPage++ ) {
 517         wxNotebookPage *pPage = m_pages[nPage];
 518         pPage->SetSize(rect);
 519         if ( pPage->GetAutoLayout() ) {
 520             pPage->Layout();
 521         }
 522     }
 523
 524     // Processing continues to next OnSize
 525     event.Skip();
 526 }
 527
 528 void wxNotebook::OnSelChange(wxNotebookEvent& event)
 529 {
 530     // is it our tab control?
 531     if ( event.GetEventObject() == this )
 532         ChangePage(event.GetOldSelection(), event.GetSelection());
 533
 534     // we want to give others a chance to process this message as well
 535     event.Skip();
 536 }
 537
 538 void wxNotebook::OnSetFocus(wxFocusEvent& event)
 539 {
 540     // set focus to the currently selected page if any
 541     if ( m_nSelection != -1 )
 542         m_pages[m_nSelection]->SetFocus();
 543
 544     event.Skip();
 545 }
 546
 547 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 548 {
 549     if ( event.IsWindowChange() ) {
 550         // change pages
 551         AdvanceSelection(event.GetDirection());
 552     }
 553     else {
 554         // we get this event in 2 cases
 555         //
 556         // a) one of our pages might have generated it because the user TABbed
 557         // out from it in which case we should propagate the event upwards and
 558         // our parent will take care of setting the focus to prev/next sibling
 559         //
 560         // or
 561         //
 562         // b) the parent panel wants to give the focus to us so that we
 563         // forward it to our selected page. We can't deal with this in
 564         // OnSetFocus() because we don't know which direction the focus came
 565         // from in this case and so can't choose between setting the focus to
 566         // first or last panel child
 567         wxWindow *parent = GetParent();
 568         // the cast is here to fic a GCC ICE
 569         if ( ((wxWindow*)event.GetEventObject()) == parent )
 570         {
 571             // no, it doesn't come from child, case (b): forward to a page
 572             if ( m_nSelection != -1 )
 573             {
 574                 // so that the page knows that the event comes from it's parent
 575                 // and is being propagated downwards
 576                 event.SetEventObject(this);
 577
 578                 wxWindow *page = m_pages[m_nSelection];
 579                 if ( !page->GetEventHandler()->ProcessEvent(event) )
 580                 {
 581                     page->SetFocus();
 582                 }
 583                 //else: page manages focus inside it itself
 584             }
 585             else
 586             {
 587                 // we have no pages - still have to give focus to _something_
 588                 SetFocus();
 589             }
 590         }
 591         else
 592         {
 593             // it comes from our child, case (a), pass to the parent
 594             if ( parent ) {
 595                 event.SetCurrentFocus(this);
 596                 parent->GetEventHandler()->ProcessEvent(event);
 597             }
 598         }
 599     }
 600 }
 601
 602 // ----------------------------------------------------------------------------
 603 // wxNotebook base class virtuals
 604 // ----------------------------------------------------------------------------
 605
 606 #if wxUSE_CONSTRAINTS
 607
 608 // override these 2 functions to do nothing: everything is done in OnSize
 609
 610 void wxNotebook::SetConstraintSizes(bool WXUNUSED(recurse))
 611 {
 612   // don't set the sizes of the pages - their correct size is not yet known
 613   wxControl::SetConstraintSizes(FALSE);
 614 }
 615
 616 bool wxNotebook::DoPhase(int WXUNUSED(nPhase))
 617 {
 618   return TRUE;
 619 }
 620
 621 #endif // wxUSE_CONSTRAINTS
 622
 623 void wxNotebook::Command(wxCommandEvent& event)
 624 {
 625     wxFAIL_MSG(wxT("wxNotebook::Command not implemented"));
 626 }
 627
 628 // ----------------------------------------------------------------------------
 629 // wxNotebook helper functions
 630 // ----------------------------------------------------------------------------
 631
 632 // hide the currently active panel and show the new one
 633 void wxNotebook::ChangePage(int nOldSel, int nSel)
 634 {
 635     if ( nOldSel != -1 )
 636     {
 637         m_pages[nOldSel]->Show(FALSE);
 638     }
 639
 640     if ( nSel != -1 )
 641     {
 642         wxNotebookPage *pPage = m_pages[nSel];
 643         pPage->Show(TRUE);
 644         pPage->SetFocus();
 645     }
 646
 647     m_nSelection = nSel;
 648     SetControl32BitValue( (ControlHandle) m_macControl , m_nSelection + 1 ) ;
 649 }
 650
 651
 652 void  wxNotebook::OnMouse( wxMouseEvent &event )
 653 {
 654     if ( (ControlHandle) m_macControl == NULL )
 655     {
 656         event.Skip() ;
 657         return ;
 658     }
 659
 660     if (event.GetEventType() == wxEVT_LEFT_DOWN || event.GetEventType() == wxEVT_LEFT_DCLICK )
 661     {
 662         int x = event.m_x ;
 663         int y = event.m_y ;
 664
 665         MacClientToRootWindow( &x , &y ) ;
 666
 667         ControlHandle   control ;
 668         Point       localwhere ;
 669         SInt16      controlpart ;
 670
 671         localwhere.h = x ;
 672         localwhere.v = y ;
 673
 674         short modifiers = 0;
 675
 676         if ( !event.m_leftDown && !event.m_rightDown )
 677             modifiers  |= btnState ;
 678
 679         if ( event.m_shiftDown )
 680             modifiers |= shiftKey ;
 681
 682         if ( event.m_controlDown )
 683             modifiers |= controlKey ;
 684
 685         if ( event.m_altDown )
 686             modifiers |= optionKey ;
 687
 688         if ( event.m_metaDown )
 689             modifiers |= cmdKey ;
 690
 691         control = (ControlHandle) m_macControl ;
 692         if ( control && ::IsControlActive( control ) )
 693         {
 694             {
 695                 wxNotebookEvent changing(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId,
 696                     ::GetControl32BitValue(control) - 1, m_nSelection);
 697                 changing.SetEventObject(this);
 698                 GetEventHandler()->ProcessEvent(changing);
 699
 700                 if(changing.IsAllowed())
 701                 {
 702                     controlpart = ::HandleControlClick(control, localwhere, modifiers,
 703                         (ControlActionUPP) -1);
 704                     wxTheApp->s_lastMouseDown = 0 ;
 705
 706                     wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, m_windowId,
 707                         ::GetControl32BitValue(control) - 1, m_nSelection);
 708                     event.SetEventObject(this);
 709
 710                     GetEventHandler()->ProcessEvent(event);
 711                 }
 712             }
 713         }
 714     }
 715 }
 716
 717
 718 void wxNotebook::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED( mouseStillDown ) )
 719 {
 720 #if 0
 721     wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, m_windowId , ::GetControl32BitValue((ControlHandle)m_macControl) - 1, m_nSelection);
 722     event.SetEventObject(this);
 723
 724     ProcessEvent(event);
 725 #endif
 726 }
 727