src/mac/carbon/control.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        control.cpp
   3 // Purpose:     wxControl class
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "control.h"
  14 #endif
  15
  16 #include "wx/defs.h"
  17
  18 #include "wx/control.h"
  19 #include "wx/panel.h"
  20 #include "wx/app.h"
  21 #include "wx/dc.h"
  22 #include "wx/notebook.h"
  23 #include "wx/tabctrl.h"
  24 #include "wx/radiobox.h"
  25 #include "wx/spinbutt.h"
  26 #include "wx/scrolbar.h"
  27 #include "wx/button.h"
  28 #include "wx/dialog.h"
  29 #include "wx/statbox.h"
  30 #include "wx/sizer.h"
  31 #include "wx/stattext.h"
  32
  33 #if !USE_SHARED_LIBRARY
  34 IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
  35
  36 BEGIN_EVENT_TABLE(wxControl, wxWindow)
  37     EVT_MOUSE_EVENTS( wxControl::OnMouseEvent )
  38     EVT_CHAR( wxControl::OnKeyDown )
  39     EVT_PAINT( wxControl::OnPaint )
  40 END_EVENT_TABLE()
  41 #endif
  42
  43 #include "wx/mac/uma.h"
  44
  45 // Item members
  46
  47 ControlActionUPP wxMacLiveScrollbarActionUPP = NULL ;
  48
  49 pascal void wxMacLiveScrollbarActionProc( ControlHandle control , ControlPartCode partCode ) ;
  50 pascal void wxMacLiveScrollbarActionProc( ControlHandle control , ControlPartCode partCode )
  51 {
  52     if ( partCode != 0)
  53     {
  54         wxControl*  wx = (wxControl*) GetControlReference( control ) ;
  55         if ( wx )
  56         {
  57             wx->MacHandleControlClick( control , partCode ) ;
  58         }
  59     }
  60 }
  61
  62 wxControl::wxControl()
  63 {
  64     m_macControl = NULL ;
  65     m_macHorizontalBorder = 0 ; // additional pixels around the real control
  66     m_macVerticalBorder = 0 ;
  67     m_backgroundColour = *wxWHITE;
  68     m_foregroundColour = *wxBLACK;
  69 #if WXWIN_COMPATIBILITY
  70   m_callback = 0;
  71 #endif // WXWIN_COMPATIBILITY
  72
  73     if ( wxMacLiveScrollbarActionUPP == NULL )
  74     {
  75 #if defined(UNIVERSAL_INTERFACES_VERSION) && (UNIVERSAL_INTERFACES_VERSION >= 0x0340)
  76         wxMacLiveScrollbarActionUPP = NewControlActionUPP( wxMacLiveScrollbarActionProc );
  77 #else
  78         wxMacLiveScrollbarActionUPP = NewControlActionProc( wxMacLiveScrollbarActionProc ) ;
  79 #endif
  80     }
  81 }
  82
  83 bool wxControl::Create(wxWindow *parent, wxWindowID id,
  84                        const wxPoint& pos,
  85                        const wxSize& size, long style,
  86                        const wxValidator& validator,
  87                        const wxString& name)
  88 {
  89     m_macControl = NULL ;
  90     m_macHorizontalBorder = 0 ; // additional pixels around the real control
  91     m_macVerticalBorder = 0 ;
  92     bool rval = wxWindow::Create(parent, id, pos, size, style, name);
  93     if (rval) {
  94 #if wxUSE_VALIDATORS
  95         SetValidator(validator);
  96 #endif
  97     }
  98     return rval;
  99 }
 100
 101 wxControl::~wxControl()
 102 {
 103     m_isBeingDeleted = TRUE;
 104     // If we delete an item, we should initialize the parent panel,
 105     // because it could now be invalid.
 106     wxWindow *parent = GetParent() ;
 107     if ( parent )
 108     {
 109         if (parent->GetDefaultItem() == (wxButton*) this)
 110             parent->SetDefaultItem(NULL);
 111     }
 112     if ( m_macControl )
 113     {
 114         ::DisposeControl( m_macControl ) ;
 115         m_macControl = NULL ;
 116     }
 117 }
 118
 119 void wxControl::SetLabel(const wxString& title)
 120 {
 121     m_label = title ;
 122
 123     if ( m_macControl )
 124     {
 125         Str255 maclabel ;
 126         wxString label ;
 127
 128         if( wxApp::s_macDefaultEncodingIsPC )
 129             label = wxMacMakeMacStringFromPC( title ) ;
 130         else
 131             label = title ;
 132
 133 #if TARGET_CARBON
 134         c2pstrcpy( (StringPtr) maclabel , label ) ;
 135 #else
 136         strcpy( (char *) maclabel , label ) ;
 137         c2pstr( (char *) maclabel ) ;
 138 #endif
 139         ::SetControlTitle( m_macControl , maclabel ) ;
 140     }
 141     Refresh() ;
 142 }
 143
 144 wxSize wxControl::DoGetBestSize() const
 145 {
 146     Rect    bestsize = { 0 , 0 , 0 , 0 } ;
 147     short   baselineoffset ;
 148     int bestWidth, bestHeight ;
 149     ::GetBestControlRect( m_macControl , &bestsize , &baselineoffset ) ;
 150
 151     if ( EmptyRect( &bestsize ) )
 152     {
 153         baselineoffset = 0;
 154         bestsize.left = bestsize.top = 0 ;
 155         bestsize.right = 16 ;
 156         bestsize.bottom = 16 ;
 157         if ( IsKindOf( CLASSINFO( wxScrollBar ) ) )
 158         {
 159             bestsize.bottom = 16 ;
 160         }
 161         else if ( IsKindOf( CLASSINFO( wxSpinButton ) ) )
 162         {
 163             bestsize.bottom = 24 ;
 164         }
 165     }
 166
 167     if ( IsKindOf( CLASSINFO( wxButton ) ) )
 168     {
 169         bestWidth = m_label.Length() * 8 + 12 ;
 170         if ( bestWidth < 70 )
 171           bestWidth = 70 ;
 172     }
 173     else if ( IsKindOf( CLASSINFO( wxStaticText ) ) )
 174     {
 175         bestWidth = m_label.Length() * 8 ;
 176     }
 177     else
 178         bestWidth = bestsize.right - bestsize.left ;
 179
 180     bestWidth += 2 * m_macHorizontalBorder ;
 181
 182     bestHeight = bestsize.bottom - bestsize.top ;
 183     if ( bestHeight < 10 )
 184         bestHeight = 13 ;
 185
 186     bestHeight += 2 * m_macVerticalBorder;
 187
 188
 189     return wxSize(bestWidth, bestHeight);
 190 }
 191
 192 bool wxControl::ProcessCommand (wxCommandEvent & event)
 193 {
 194   // Tries:
 195   // 1) A callback function (to become obsolete)
 196   // 2) OnCommand, starting at this window and working up parent hierarchy
 197   // 3) OnCommand then calls ProcessEvent to search the event tables.
 198 #if WXWIN_COMPATIBILITY
 199     if ( m_callback )
 200     {
 201         (void)(*m_callback)(this, event);
 202
 203         return TRUE;
 204     }
 205     else
 206 #endif // WXWIN_COMPATIBILITY
 207     {
 208       return GetEventHandler()->ProcessEvent(event);
 209     }
 210 }
 211
 212 // ------------------------
 213 wxList *wxWinMacControlList = NULL;
 214 wxControl *wxFindControlFromMacControl(ControlHandle inControl )
 215 {
 216     wxNode *node = wxWinMacControlList->Find((long)inControl);
 217     if (!node)
 218         return NULL;
 219     return (wxControl *)node->Data();
 220 }
 221
 222 void wxAssociateControlWithMacControl(ControlHandle inControl, wxControl *control)
 223 {
 224     // adding NULL WindowRef is (first) surely a result of an error and
 225     // (secondly) breaks menu command processing
 226     wxCHECK_RET( inControl != (ControlHandle) NULL, "attempt to add a NULL WindowRef to window list" );
 227
 228     if ( !wxWinMacControlList->Find((long)inControl) )
 229         wxWinMacControlList->Append((long)inControl, control);
 230 }
 231
 232 void wxRemoveMacControlAssociation(wxControl *control)
 233 {
 234     wxWinMacControlList->DeleteObject(control);
 235 }
 236
 237 void wxControl::MacPreControlCreate( wxWindow *parent, wxWindowID id, wxString label ,
 238              const wxPoint& pos,
 239              const wxSize& size, long style,
 240              const wxValidator& validator,
 241              const wxString& name , Rect *outBounds , StringPtr maclabel )
 242 {
 243     m_label = label ;
 244   SetName(name);
 245   if ( &validator )
 246     SetValidator(validator);
 247
 248   m_windowStyle = style;
 249   parent->AddChild(this);
 250
 251   m_backgroundColour = parent->GetBackgroundColour() ;
 252   m_foregroundColour = parent->GetForegroundColour() ;
 253
 254   if (id == -1)
 255       m_windowId = NewControlId();
 256   else
 257       m_windowId = id;
 258
 259    // These sizes will be adjusted in MacPostControlCreate
 260
 261     m_width = size.x ;
 262     m_height = size.y ;
 263     m_x = pos.x ;
 264     m_y = pos.y ;
 265
 266     outBounds->top = -10;
 267     outBounds->left = -10;
 268     outBounds->bottom = 0;
 269     outBounds->right = 0;
 270
 271     char c_text[255];
 272     strcpy( c_text , label ) ;
 273     if( wxApp::s_macDefaultEncodingIsPC )
 274     {
 275         wxMacConvertFromPCForControls( c_text ) ;
 276     }
 277
 278 #if TARGET_CARBON
 279     c2pstrcpy( (StringPtr) maclabel , c_text ) ;
 280 #else
 281     strcpy( (char *) maclabel , c_text ) ;
 282     c2pstr( (char *) maclabel ) ;
 283 #endif
 284 }
 285
 286 void wxControl::MacPostControlCreate()
 287 {
 288     wxASSERT_MSG( m_macControl != NULL , "No valid mac control" ) ;
 289
 290     if ( IsKindOf( CLASSINFO( wxScrollBar ) ) )
 291     {
 292         // no font
 293     }
 294     else if ( IsKindOf( CLASSINFO( wxStaticBox ) ) || IsKindOf( CLASSINFO( wxRadioBox ) ) || IsKindOf( CLASSINFO( wxButton ) ) )
 295     {
 296         ControlFontStyleRec     controlstyle ;
 297         controlstyle.flags = kControlUseFontMask ;
 298         controlstyle.font = kControlFontSmallBoldSystemFont ;
 299
 300         ::SetControlFontStyle( m_macControl , &controlstyle ) ;
 301     }
 302     else
 303     {
 304         ControlFontStyleRec     controlstyle ;
 305         controlstyle.flags = kControlUseFontMask ;
 306         controlstyle.font = kControlFontSmallSystemFont ;
 307
 308         ::SetControlFontStyle( m_macControl , &controlstyle ) ;
 309     }
 310     ControlHandle container = GetParent()->MacGetContainerForEmbedding() ;
 311     wxASSERT_MSG( container != NULL , wxT("No valid mac container control") ) ;
 312     ::EmbedControl( m_macControl , container ) ;
 313     m_macControlIsShown  = true ;
 314
 315     wxAssociateControlWithMacControl( m_macControl , this ) ;
 316
 317
 318      // Adjust the controls size and position
 319      wxPoint pos(m_x, m_y);
 320      wxSize best_size( DoGetBestSize() );
 321      wxSize new_size( m_width, m_height );
 322
 323      m_x = m_y = m_width = m_height = -1;  // Forces SetSize to move/size the control
 324
 325      if (new_size.x == -1) {
 326         new_size.x = best_size.x;
 327      }
 328      if (new_size.y == -1) {
 329          new_size.y = best_size.y;
 330      }
 331
 332      SetSize(pos.x, pos.y, new_size.x, new_size.y);
 333
 334      UMAShowControl( m_macControl ) ;
 335      Refresh() ;
 336 }
 337
 338 void wxControl::MacAdjustControlRect()
 339 {
 340     wxASSERT_MSG( m_macControl != NULL , wxT("No valid mac control") ) ;
 341     if ( m_width == -1 || m_height == -1 )
 342     {
 343         Rect    bestsize = { 0 , 0 , 0 , 0 } ;
 344         short   baselineoffset ;
 345
 346         ::GetBestControlRect( m_macControl , &bestsize , &baselineoffset ) ;
 347
 348         if ( EmptyRect( &bestsize ) )
 349         {
 350             baselineoffset = 0;
 351             bestsize.left = bestsize.top = 0 ;
 352             bestsize.right = 16 ;
 353             bestsize.bottom = 16 ;
 354             if ( IsKindOf( CLASSINFO( wxScrollBar ) ) )
 355             {
 356                 bestsize.bottom = 16 ;
 357             }
 358             else if ( IsKindOf( CLASSINFO( wxSpinButton ) ) )
 359             {
 360                 bestsize.bottom = 24 ;
 361             }
 362         }
 363
 364         if ( m_width == -1 )
 365         {
 366             if ( IsKindOf( CLASSINFO( wxButton ) ) )
 367             {
 368                 m_width = m_label.Length() * 8 + 12 ;
 369                 if ( m_width < 70 )
 370                   m_width = 70 ;
 371             }
 372             else if ( IsKindOf( CLASSINFO( wxStaticText ) ) )
 373             {
 374                 m_width = m_label.Length() * 8 ;
 375             }
 376             else
 377                 m_width = bestsize.right - bestsize.left ;
 378
 379             m_width += 2 * m_macHorizontalBorder ;
 380         }
 381         if ( m_height == -1 )
 382         {
 383             m_height = bestsize.bottom - bestsize.top ;
 384             if ( m_height < 10 )
 385                 m_height = 13 ;
 386
 387             m_height += 2 * m_macVerticalBorder;
 388         }
 389
 390         UMASizeControl( m_macControl , m_width - 2 * m_macHorizontalBorder, m_height -  2 * m_macVerticalBorder ) ;
 391     }
 392 }
 393 ControlHandle wxControl::MacGetContainerForEmbedding()
 394 {
 395     if ( m_macControl )
 396         return m_macControl ;
 397
 398     return wxWindow::MacGetContainerForEmbedding() ;
 399 }
 400
 401 void wxControl::MacSuperChangedPosition()
 402 {
 403     if ( m_macControl )
 404     {
 405         Rect contrlRect ;
 406         GetControlBounds( m_macControl , &contrlRect ) ;
 407         int former_mac_x = contrlRect.left ;
 408         int former_mac_y = contrlRect.top ;
 409         int mac_x = m_x ;
 410         int mac_y = m_y ;
 411         GetParent()->MacWindowToRootWindow( & mac_x , & mac_y ) ;
 412
 413         WindowRef rootwindow = MacGetRootWindow() ;
 414
 415         if ( mac_x + m_macHorizontalBorder != former_mac_x ||
 416             mac_y + m_macVerticalBorder != former_mac_y )
 417         {
 418             {
 419                 Rect inval = { former_mac_y , former_mac_x , former_mac_y + m_height , former_mac_x + m_width } ;
 420                 InvalWindowRect( rootwindow , &inval ) ;
 421             }
 422             UMAMoveControl( m_macControl , mac_x + m_macHorizontalBorder , mac_y + m_macVerticalBorder ) ;
 423             {
 424                 Rect inval = { mac_y , mac_x , mac_y + m_height , mac_x + m_width } ;
 425                 InvalWindowRect( rootwindow , &inval ) ;
 426             }
 427         }
 428     }
 429
 430     wxWindow::MacSuperChangedPosition() ;
 431 }
 432
 433 void wxControl::MacSuperEnabled( bool enabled )
 434 {
 435     Refresh(FALSE) ;
 436     wxWindow::MacSuperEnabled( enabled ) ;
 437 }
 438
 439 void  wxControl::MacSuperShown( bool show )
 440 {
 441     if ( m_macControl )
 442     {
 443         if ( !show )
 444         {
 445             if ( m_macControlIsShown )
 446             {
 447                 ::UMAHideControl( m_macControl ) ;
 448                 m_macControlIsShown = false ;
 449             }
 450         }
 451         else
 452         {
 453             if ( MacIsReallyShown() && !m_macControlIsShown )
 454             {
 455                 ::UMAShowControl( m_macControl ) ;
 456                 m_macControlIsShown = true ;
 457             }
 458         }
 459     }
 460
 461     wxWindow::MacSuperShown( show ) ;
 462 }
 463
 464 void  wxControl::DoSetSize(int x, int y,
 465             int width, int height,
 466             int sizeFlags )
 467 {
 468     if ( m_macControl == NULL )
 469     {
 470         wxWindow::DoSetSize( x , y ,width , height ,sizeFlags ) ;
 471         return ;
 472     }
 473
 474      Rect oldbounds, newbounds;
 475      int new_x, new_y, new_width, new_height;
 476      int mac_x, mac_y;
 477
 478      new_x = m_x;
 479      new_y = m_y;
 480      new_width  = m_width;
 481      new_height = m_height;
 482
 483      if (sizeFlags & wxSIZE_ALLOW_MINUS_ONE)
 484      {
 485          new_x      = x;
 486          new_y      = y;
 487          new_width  = width;
 488          new_height = height;
 489      }
 490      else
 491      {
 492          if (x != -1)      new_x      = x;
 493          if (y != -1)      new_y      = y;
 494          if (width != -1)  new_width  = width;
 495          if (height != -1) new_height = height;
 496      }
 497
 498      if(sizeFlags & wxSIZE_AUTO)
 499      {
 500          wxSize size = GetBestSize();
 501          if (sizeFlags & wxSIZE_AUTO_WIDTH)
 502          {
 503              if (width == -1)   new_width = size.x;
 504          }
 505          if (sizeFlags & wxSIZE_AUTO_HEIGHT)
 506          {
 507              if (height == -1)   new_height = size.y;
 508          }
 509      }
 510      AdjustForParentClientOrigin(new_x, new_y, sizeFlags);
 511
 512      mac_x = new_x;
 513      mac_y = new_y;
 514      if(GetParent()) {
 515          GetParent()->MacWindowToRootWindow(&mac_x, &mac_y);
 516      }
 517      GetControlBounds(m_macControl, &oldbounds);
 518      oldbounds.right = oldbounds.left + m_width;
 519      oldbounds.bottom = oldbounds.top + m_height;
 520
 521      bool doMove = false;
 522      bool doResize = false;
 523
 524      if ( mac_x != (oldbounds.left - m_macHorizontalBorder) ||
 525           mac_y != (oldbounds.top - m_macVerticalBorder) )
 526      {
 527          doMove = true ;
 528      }
 529      if ( new_width != oldbounds.right - oldbounds.left - 2 * m_macHorizontalBorder ||
 530           new_height != oldbounds.bottom - oldbounds.top - 2 * m_macVerticalBorder)
 531      {
 532          doResize = true ;
 533      }
 534
 535      if ( doMove || doResize )
 536      {
 537          Refresh() ;
 538
 539          // Ensure resize is within constraints
 540          if ((m_minWidth != -1) && (new_width < m_minWidth)) {
 541              new_width = m_minWidth;
 542          }
 543          if ((m_minHeight != -1) && (new_height < m_minHeight)) {
 544              new_height = m_minHeight;
 545          }
 546          if ((m_maxWidth != -1) && (new_width > m_maxWidth)) {
 547              new_width = m_maxWidth;
 548          }
 549          if ((m_maxHeight != -1) && (new_height > m_maxHeight)) {
 550              new_height = m_maxHeight;
 551          }
 552
 553          if ( doMove )
 554          {
 555              m_x = new_x;
 556              m_y = new_y;
 557
 558              UMAMoveControl(m_macControl,
 559                             mac_x + m_macHorizontalBorder, mac_y + m_macVerticalBorder);
 560
 561              wxMoveEvent event(wxPoint(m_x, m_y), m_windowId);
 562              event.SetEventObject(this);
 563              GetEventHandler()->ProcessEvent(event) ;
 564          }
 565          if ( doResize )
 566          {
 567              m_width = new_width;
 568              m_height = new_height;
 569
 570              UMASizeControl( m_macControl,
 571                              m_width - 2 * m_macHorizontalBorder,
 572                              m_height -  2 * m_macVerticalBorder ) ;
 573
 574
 575              wxSizeEvent event(wxSize(m_width, m_height), m_windowId);
 576              event.SetEventObject(this);
 577              GetEventHandler()->ProcessEvent(event);
 578          }
 579
 580           Refresh() ;
 581      }
 582 }
 583
 584 bool  wxControl::Show(bool show)
 585 {
 586     if ( !wxWindow::Show( show ) )
 587         return FALSE ;
 588
 589     if ( m_macControl )
 590     {
 591         if ( !show )
 592         {
 593             if ( m_macControlIsShown )
 594             {
 595                 ::UMAHideControl( m_macControl ) ;
 596                 m_macControlIsShown = false ;
 597             }
 598         }
 599         else
 600         {
 601             if ( MacIsReallyShown() && !m_macControlIsShown )
 602             {
 603                 ::UMAShowControl( m_macControl ) ;
 604                 m_macControlIsShown = true ;
 605             }
 606         }
 607     }
 608     return TRUE ;
 609 }
 610
 611 bool  wxControl::Enable(bool enable)
 612 {
 613     if ( !wxWindow::Enable(enable) )
 614         return FALSE;
 615
 616     if ( m_macControl )
 617     {
 618         if ( enable )
 619             UMAActivateControl( m_macControl ) ;
 620         else
 621             UMADeactivateControl( m_macControl ) ;
 622     }
 623     return TRUE ;
 624 }
 625
 626 void wxControl::Refresh(bool eraseBack, const wxRect *rect)
 627 {
 628     wxWindow::Refresh( eraseBack , rect ) ;
 629 }
 630
 631 void wxControl::MacRedrawControl()
 632 {
 633     if ( m_macControl && MacGetRootWindow() )
 634     {
 635         wxClientDC dc(this) ;
 636         wxMacPortSetter helper(&dc) ;
 637
 638         // the controls sometimes draw outside their boundaries, this
 639         // should be resolved differently but is not trivial (e.g. drop shadows)
 640         // since adding them to the border would yield in enormous gaps between
 641         // the controls
 642         Rect r = { 0 , 0 , 32000 , 32000 } ;
 643         ClipRect( &r ) ;
 644         wxDC::MacSetupBackgroundForCurrentPort( MacGetBackgroundBrush() ) ;
 645         UMADrawControl( m_macControl ) ;
 646     }
 647 }
 648
 649 void wxControl::OnPaint(wxPaintEvent& event)
 650 {
 651     if ( m_macControl )
 652     {
 653         wxPaintDC dc(this) ;
 654         wxMacPortSetter helper(&dc) ;
 655         // the controls sometimes draw outside their boundaries, this
 656         // should be resolved differently but is not trivial (e.g. drop shadows)
 657         // since adding them to the border would yield in enormous gaps between
 658         // the controls
 659         Rect r = { 0 , 0 , 32000 , 32000 } ;
 660         ClipRect( &r ) ;
 661
 662         wxDC::MacSetupBackgroundForCurrentPort( MacGetBackgroundBrush() ) ;
 663         UMADrawControl( m_macControl ) ;
 664     }
 665     else
 666     {
 667       event.Skip() ;
 668     }
 669 }
 670 void wxControl::OnEraseBackground(wxEraseEvent& event)
 671 {
 672     wxWindow::OnEraseBackground( event ) ;
 673 }
 674
 675
 676 void  wxControl::OnKeyDown( wxKeyEvent &event )
 677 {
 678     if ( m_macControl == NULL )
 679         return ;
 680
 681     EventRecord *ev = wxTheApp->MacGetCurrentEvent() ;
 682     short keycode ;
 683     short keychar ;
 684     keychar = short(ev->message & charCodeMask);
 685     keycode = short(ev->message & keyCodeMask) >> 8 ;
 686
 687     ::HandleControlKey( m_macControl , keycode , keychar , ev->modifiers ) ;
 688 }
 689
 690 void  wxControl::OnMouseEvent( wxMouseEvent &event )
 691 {
 692     if ( m_macControl == NULL )
 693     {
 694         event.Skip() ;
 695         return ;
 696     }
 697
 698     if (event.GetEventType() == wxEVT_LEFT_DOWN || event.GetEventType() == wxEVT_LEFT_DCLICK )
 699     {
 700
 701         int x = event.m_x ;
 702         int y = event.m_y ;
 703
 704         MacClientToRootWindow( &x , &y ) ;
 705
 706         ControlHandle   control ;
 707         Point       localwhere ;
 708         SInt16      controlpart ;
 709         WindowRef   window = MacGetRootWindow() ;
 710
 711         localwhere.h = x ;
 712         localwhere.v = y ;
 713
 714         short modifiers = 0;
 715
 716         if ( !event.m_leftDown && !event.m_rightDown )
 717             modifiers  |= btnState ;
 718
 719         if ( event.m_shiftDown )
 720             modifiers |= shiftKey ;
 721
 722         if ( event.m_controlDown )
 723             modifiers |= controlKey ;
 724
 725         if ( event.m_altDown )
 726             modifiers |= optionKey ;
 727
 728         if ( event.m_metaDown )
 729             modifiers |= cmdKey ;
 730 /*
 731 #if TARGET_CARBON
 732         control = FindControlUnderMouse( localwhere , window , &controlpart ) ;
 733 #else
 734         controlpart = FindControl( localwhere , window , &control ) ;
 735 #endif
 736 */
 737         {
 738         /*
 739             if ( AcceptsFocus() && FindFocus() != this )
 740             {
 741                 SetFocus() ;
 742             }
 743         */
 744             control = m_macControl ;
 745             if ( control && ::IsControlActive( control ) )
 746             {
 747                 {
 748                     controlpart = ::HandleControlClick( control , localwhere , modifiers , (ControlActionUPP) -1 ) ;
 749                     wxTheApp->s_lastMouseDown = 0 ;
 750                     if ( control && controlpart != kControlNoPart &&
 751                         ! IsKindOf( CLASSINFO( wxScrollBar ) )
 752                     ) // otherwise we will get the event twice for scrollbar
 753                     {
 754                         MacHandleControlClick( control , controlpart ) ;
 755                     }
 756                 }
 757             }
 758         }
 759     }
 760 }
 761
 762 bool wxControl::MacCanFocus() const
 763 {
 764         { if ( m_macControl == NULL )
 765                 return true ;
 766             else
 767             return false ;
 768         }
 769 }
 770
 771 void wxControl::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
 772 {
 773     wxASSERT_MSG( m_macControl != NULL , "No valid mac control" ) ;
 774 }
 775