src/mac/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/control.h"
  17 #include "wx/notebook.h"
  18 #include "wx/tabctrl.h"
  19 #include "wx/spinbutt.h"
  20
  21 #if !USE_SHARED_LIBRARY
  22 IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
  23
  24 BEGIN_EVENT_TABLE(wxControl, wxWindow)
  25         EVT_MOUSE_EVENTS( wxControl::OnMouseEvent )
  26         EVT_CHAR( wxControl::OnKeyDown )
  27         EVT_PAINT( wxControl::OnPaint )
  28 END_EVENT_TABLE()
  29 #endif
  30
  31 #include <wx/mac/uma.h>
  32
  33 // Item members
  34
  35 ControlActionUPP wxMacLiveScrollbarActionUPP = NULL ;
  36
  37 pascal void wxMacLiveScrollbarActionProc( ControlHandle control , ControlPartCode partCode )
  38 {
  39         if ( partCode != 0)
  40         {
  41                 wxControl*      wx = (wxControl*) GetControlReference( control ) ;
  42                 if ( wx )
  43                 {
  44                         wx->MacHandleControlClick( control , partCode ) ;
  45                 }
  46         }
  47 }
  48
  49 wxControl::wxControl()
  50 {
  51                 m_macControl = NULL ;
  52                 m_macHorizontalBorder = 0 ; // additional pixels around the real control
  53                 m_macVerticalBorder = 0 ;
  54     m_backgroundColour = *wxWHITE;
  55     m_foregroundColour = *wxBLACK;
  56     m_callback = 0;
  57
  58         if ( wxMacLiveScrollbarActionUPP == NULL )
  59         {
  60                 wxMacLiveScrollbarActionUPP = NewControlActionProc( wxMacLiveScrollbarActionProc ) ;
  61         }
  62 }
  63
  64 wxControl::~wxControl()
  65 {
  66     // If we delete an item, we should initialize the parent panel,
  67     // because it could now be invalid.
  68     wxWindow *parent = (wxWindow *)GetParent();
  69     if (parent)
  70     {
  71         if (parent->GetDefaultItem() == (wxButton*) this)
  72             parent->SetDefaultItem(NULL);
  73     }
  74     if ( m_macControl )
  75     {
  76         UMADisposeControl( m_macControl ) ;
  77         m_macControl = NULL ;
  78     }
  79 }
  80
  81 void wxControl::SetLabel(const wxString& label)
  82 {
  83         m_label = label ;
  84
  85         if ( m_macControl )
  86         {
  87                 Str255 maclabel ;
  88
  89                 strcpy( (char*) maclabel , label ) ;
  90                 c2pstr( (char*) maclabel ) ;
  91
  92                 ::SetControlTitle( m_macControl , maclabel ) ;
  93         }
  94 }
  95
  96 wxString wxControl::GetLabel() const
  97 {
  98     return m_label ;
  99 }
 100
 101 void wxControl::ProcessCommand (wxCommandEvent & event)
 102 {
 103   // Tries:
 104   // 1) A callback function (to become obsolete)
 105   // 2) OnCommand, starting at this window and working up parent hierarchy
 106   // 3) OnCommand then calls ProcessEvent to search the event tables.
 107   if (m_callback)
 108     {
 109       (void) (*(m_callback)) (*this, event);
 110     }
 111     else
 112     {
 113       GetEventHandler()->OnCommand(*this, event);
 114     }
 115 }
 116
 117 void wxControl::Centre (int direction)
 118 {
 119   int x, y, width, height, panel_width, panel_height, new_x, new_y;
 120
 121   wxWindow *parent = (wxWindow *) GetParent ();
 122   if (!parent)
 123     return;
 124
 125   parent->GetClientSize (&panel_width, &panel_height);
 126   GetSize (&width, &height);
 127   GetPosition (&x, &y);
 128
 129   new_x = x;
 130   new_y = y;
 131
 132   if (direction & wxHORIZONTAL)
 133     new_x = (int) ((panel_width - width) / 2);
 134
 135   if (direction & wxVERTICAL)
 136     new_y = (int) ((panel_height - height) / 2);
 137
 138   SetSize (new_x, new_y, width, height);
 139 }
 140
 141 void wxControl::SetClientSize (int width, int height)
 142 {
 143   SetSize (-1, -1, width, height);
 144 }
 145
 146 // ------------------------
 147 wxList *wxWinMacControlList = NULL;
 148 wxControl *wxFindControlFromMacControl(ControlHandle inControl )
 149 {
 150     wxNode *node = wxWinMacControlList->Find((long)inControl);
 151     if (!node)
 152         return NULL;
 153     return (wxControl *)node->Data();
 154 }
 155
 156 void wxAssociateControlWithMacControl(ControlHandle inControl, wxControl *control)
 157 {
 158     // adding NULL WindowRef is (first) surely a result of an error and
 159     // (secondly) breaks menu command processing
 160     wxCHECK_RET( inControl != (ControlHandle) NULL, "attempt to add a NULL WindowRef to window list" );
 161
 162     if ( !wxWinMacControlList->Find((long)inControl) )
 163         wxWinMacControlList->Append((long)inControl, control);
 164 }
 165
 166 void wxRemoveMacControlAssociation(wxControl *control)
 167 {
 168     wxWinMacControlList->DeleteObject(control);
 169 }
 170
 171 void wxControl::MacPreControlCreate( wxWindow *parent, wxWindowID id, wxString label ,
 172                          const wxPoint& pos,
 173                          const wxSize& size, long style,
 174                          const wxValidator& validator,
 175                          const wxString& name , Rect *outBounds , StringPtr maclabel )
 176 {
 177         m_label = label ;
 178   SetName(name);
 179   if ( &validator )
 180         SetValidator(validator);
 181
 182   m_windowStyle = style;
 183   parent->AddChild((wxButton *)this);
 184
 185   m_backgroundColour = parent->GetBackgroundColour() ;
 186   m_foregroundColour = parent->GetForegroundColour() ;
 187
 188   if (id == -1)
 189       m_windowId = NewControlId();
 190   else
 191       m_windowId = id;
 192
 193         m_width = size.x ;
 194         m_height = size.y ;
 195         int x = pos.x ;
 196         int y = pos.y ;
 197         AdjustForParentClientOrigin(x, y, wxSIZE_USE_EXISTING);
 198         m_x = x ;
 199         m_y = y ;
 200
 201
 202         Point localOrigin ;
 203         Rect    clipRect ;
 204
 205         parent->MacClientToRootWindow( &x , &y ) ;
 206         outBounds->top = y + m_macVerticalBorder ;
 207         outBounds->left = x + m_macHorizontalBorder ;
 208         outBounds->bottom = outBounds->top + m_height - 2 * m_macVerticalBorder;
 209         outBounds->right = outBounds->left + m_width - 2 * m_macHorizontalBorder ;
 210
 211         strcpy( (char*) maclabel , label ) ;
 212         if( wxApp::s_macDefaultEncodingIsPC )
 213         {
 214                 wxMacConvertFromPCForControls( (char*) maclabel ) ;
 215         }
 216
 217         c2pstr( (char*) maclabel ) ;
 218 }
 219
 220 void wxControl::MacPostControlCreate()
 221 {
 222         wxASSERT_MSG( m_macControl != NULL , "No valid mac control" ) ;
 223
 224         if ( IsKindOf( CLASSINFO( wxScrollBar ) ) )
 225         {
 226                 // no font
 227         }
 228         else if ( IsKindOf( CLASSINFO( wxStaticBox ) ) )
 229         {
 230                 ControlFontStyleRec             controlstyle ;
 231                 controlstyle.flags = kControlUseFontMask ;
 232                 controlstyle.font = kControlFontSmallBoldSystemFont ;
 233
 234                 ::UMASetControlFontStyle( m_macControl , &controlstyle ) ;
 235         }
 236         else
 237         {
 238                 ControlFontStyleRec             controlstyle ;
 239                 controlstyle.flags = kControlUseFontMask ;
 240                 controlstyle.font = kControlFontSmallSystemFont ;
 241
 242                 ::UMASetControlFontStyle( m_macControl , &controlstyle ) ;
 243         }
 244         ControlHandle container = GetParent()->MacGetContainerForEmbedding() ;
 245         wxASSERT_MSG( container != NULL , "No valid mac container control" ) ;
 246         ::UMAEmbedControl( m_macControl , container ) ;
 247         MacAdjustControlRect() ;
 248         wxAssociateControlWithMacControl( m_macControl , this ) ;
 249 }
 250
 251 void wxControl::MacAdjustControlRect()
 252 {
 253         wxASSERT_MSG( m_macControl != NULL , "No valid mac control" ) ;
 254         if ( m_width == -1 || m_height == -1 )
 255         {
 256                 Rect    bestsize = { 0 , 0 , 0 , 0 } ;
 257                 short   baselineoffset ;
 258
 259                 UMAGetBestControlRect( m_macControl , &bestsize , &baselineoffset ) ;
 260
 261                 if ( EmptyRect( &bestsize ) )
 262                 {
 263                         baselineoffset = 0;
 264                         bestsize.left = bestsize.top = 0 ;
 265                         bestsize.right = 16 ;
 266                         bestsize.bottom = 16 ;
 267                         if ( IsKindOf( CLASSINFO( wxScrollBar ) ) )
 268                         {
 269                                 bestsize.bottom = 16 ;
 270                         }
 271                         else if ( IsKindOf( CLASSINFO( wxSpinButton ) ) )
 272                         {
 273                                 bestsize.bottom = 24 ;
 274                         }
 275                 }
 276
 277                 if ( m_width == -1 )
 278                 {
 279                         if ( IsKindOf( CLASSINFO( wxButton ) ) )
 280                         {
 281                                 m_width = m_label.Length() * 8 + 12 + 2 * m_macHorizontalBorder;
 282                         }
 283                         else if ( IsKindOf( CLASSINFO( wxStaticText ) ) )
 284                         {
 285                                 m_width = m_label.Length() * 8 ;
 286                         }
 287                         else
 288                                 m_width = bestsize.right - bestsize.left + 2 * m_macHorizontalBorder;
 289                 }
 290                 if ( m_height == -1 )
 291                 {
 292                         m_height = bestsize.bottom - bestsize.top ;
 293                         if ( m_height < 10 )
 294                                 m_height = 13 ;
 295
 296                         m_height += 2 * m_macVerticalBorder;
 297                 }
 298
 299                 wxMacDrawingHelper helper ( wxFindWinFromMacWindow( GetMacRootWindow() ) ) ;
 300                 if ( helper.Ok() )
 301                 {
 302             UMASizeControl( m_macControl , m_width - 2 * m_macHorizontalBorder, m_height -  2 * m_macVerticalBorder ) ;
 303                 }
 304         }
 305 }
 306 ControlHandle wxControl::MacGetContainerForEmbedding()
 307 {
 308         if ( m_macControl )
 309                 return m_macControl ;
 310
 311         return wxWindow::MacGetContainerForEmbedding() ;
 312 }
 313
 314 void wxControl::MacSuperChangedPosition()
 315 {
 316         if ( m_macControl )
 317         {
 318                 int former_mac_x = (**m_macControl).contrlRect.left ;
 319                 int former_mac_y = (**m_macControl).contrlRect.top ;
 320                 int mac_x = m_x ;
 321                 int mac_y = m_y ;
 322                 GetParent()->MacClientToRootWindow( & mac_x , & mac_y ) ;
 323
 324                 WindowRef rootwindow = GetMacRootWindow() ;
 325                 wxWindow* wxrootwindow = wxFindWinFromMacWindow( rootwindow ) ;
 326                 UMASetThemeWindowBackground( rootwindow , kThemeBrushDialogBackgroundActive , false ) ;
 327                 wxMacDrawingHelper focus( wxrootwindow ) ;
 328
 329                 if ( mac_x != former_mac_x || mac_y != former_mac_y )
 330                 {
 331                         {
 332                                 Rect inval = { former_mac_y , former_mac_x , former_mac_y + m_height , former_mac_x + m_width } ;
 333                                 InvalRect( &inval ) ;
 334                         }
 335                 UMAMoveControl( m_macControl , mac_x + m_macHorizontalBorder , mac_y + m_macVerticalBorder ) ;
 336                         {
 337                                 Rect inval = { mac_y , mac_x , mac_y + m_height , mac_x + m_width } ;
 338                                 InvalRect( &inval ) ;
 339                         }
 340                 }
 341                 if ( wxrootwindow->IsKindOf( CLASSINFO( wxDialog ) ) )
 342                 {
 343                 }
 344                 else
 345                 {
 346                         UMASetThemeWindowBackground( rootwindow , kThemeBrushDocumentWindowBackground , false ) ;
 347                 }
 348         }
 349
 350         wxWindow::MacSuperChangedPosition() ;
 351 }
 352
 353 void wxControl::MacSuperEnabled( bool enabled )
 354 {
 355         if ( m_macControl )
 356         {
 357                 if ( UMAHasAppearance() )
 358                 {
 359                         if ( !enabled )
 360                         {
 361                                 ::DeactivateControl( m_macControl ) ;
 362                         }
 363                         else
 364                         {
 365                                 if ( m_macEnabled )
 366                                         ::ActivateControl( m_macControl ) ;
 367                         }
 368                 }
 369                 else
 370                 {
 371                         if ( !enabled )
 372                         {
 373                                 ::HiliteControl( m_macControl , 255 ) ;
 374                         }
 375                         else
 376                         {
 377                                 if ( m_macEnabled )
 378                                         ::HiliteControl( m_macControl , 0 ) ;
 379                         }
 380                 }
 381         }
 382         wxWindow::MacSuperEnabled( enabled ) ;
 383 }
 384
 385 void  wxControl::MacSuperShown( bool show )
 386 {
 387         if ( m_macControl )
 388         {
 389                 if ( !show )
 390                 {
 391                         ::UMAHideControl( m_macControl ) ;
 392                 }
 393                 else
 394                 {
 395                         if ( m_macShown )
 396                                 ::UMAShowControl( m_macControl ) ;
 397                 }
 398         }
 399
 400         wxWindow::MacSuperShown( show ) ;
 401 }
 402
 403 void  wxControl::DoSetSize(int x, int y,
 404             int width, int height,
 405             int sizeFlags )
 406 {
 407         if ( m_macControl == NULL )
 408         {
 409                 wxWindow::DoSetSize( x , y ,width , height ,sizeFlags ) ;
 410                 return ;
 411         }
 412
 413         WindowRef rootwindow = GetMacRootWindow() ;
 414         wxWindow* wxrootwindow = wxFindWinFromMacWindow( rootwindow ) ;
 415         UMASetThemeWindowBackground( rootwindow , kThemeBrushDialogBackgroundActive , false ) ;
 416
 417         int former_x = m_x ;
 418         int former_y = m_y ;
 419         int former_w = m_width ;
 420         int former_h = m_height ;
 421
 422         int former_mac_x = (**m_macControl).contrlRect.left ;
 423         int former_mac_y = (**m_macControl).contrlRect.top ;
 424
 425   int currentX, currentY;
 426   GetPosition(&currentX, &currentY);
 427   int currentW,currentH;
 428   GetSize(&currentW, &currentH);
 429
 430   int actualWidth = width;
 431   int actualHeight = height;
 432   int actualX = x;
 433   int actualY = y;
 434   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 435       actualX = currentX;
 436   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 437       actualY = currentY;
 438   if (width == -1)
 439       actualWidth = currentW ;
 440   if (height == -1)
 441       actualHeight = currentH ;
 442
 443         if ( actualX == currentX && actualY == currentY && actualWidth == currentW && actualHeight == currentH)
 444                 return ;
 445
 446         AdjustForParentClientOrigin(actualX, actualY, sizeFlags);
 447         wxMacDrawingHelper focus( wxFindWinFromMacWindow( GetMacRootWindow() ) ) ;
 448
 449         int mac_x = actualX ;
 450         int mac_y = actualY ;
 451         GetParent()->MacClientToRootWindow( & mac_x , & mac_y ) ;
 452
 453         if ( mac_x != former_mac_x || mac_y != former_mac_y )
 454         {
 455                 {
 456                         Rect inval = { former_mac_y , former_mac_x , former_mac_y + m_height , former_mac_x + m_width } ;
 457                         InvalRect( &inval ) ;
 458                 }
 459         UMAMoveControl( m_macControl , mac_x + m_macHorizontalBorder , mac_y  + m_macVerticalBorder ) ;
 460                 {
 461                         Rect inval = { mac_y , mac_x , mac_y + m_height , mac_x + m_width } ;
 462                         InvalRect( &inval ) ;
 463                 }
 464         }
 465
 466         if ( actualX != former_x || actualY != former_y )
 467         {
 468                 m_x = actualX ;
 469                 m_y = actualY ;
 470
 471                 MacRepositionScrollBars() ;
 472                 // To consider -> should the parameters be the effective or the virtual coordinates (AdjustForParent..)
 473     wxMoveEvent event(wxPoint(m_x, m_y), m_windowId);
 474     event.SetEventObject(this);
 475     GetEventHandler()->ProcessEvent(event);
 476         }
 477         if ( actualWidth != former_w || actualHeight != former_h )
 478         {
 479                 {
 480                         Rect inval = { mac_y , mac_x , mac_y + former_h , mac_x + former_w } ;
 481                         InvalRect( &inval ) ;
 482                 }
 483                 m_width = actualWidth ;
 484                 m_height = actualHeight ;
 485
 486         UMASizeControl( m_macControl ,  m_width - 2 * m_macHorizontalBorder, m_height -  2 * m_macVerticalBorder ) ;
 487                 {
 488                         Rect inval = { mac_y , mac_x , mac_y + m_height , mac_x + m_width } ;
 489                         InvalRect( &inval ) ;
 490                 }
 491
 492                 MacRepositionScrollBars() ;
 493     wxSizeEvent event(wxSize(m_width, m_height), m_windowId);
 494     event.SetEventObject(this);
 495     GetEventHandler()->ProcessEvent(event);
 496         }
 497         if ( wxrootwindow->IsKindOf( CLASSINFO( wxDialog ) ) )
 498         {
 499         }
 500         else
 501         {
 502                 UMASetThemeWindowBackground( rootwindow , kThemeBrushDocumentWindowBackground , false ) ;
 503         }
 504 }
 505
 506 void  wxControl::DoSetClientSize(int width, int height)
 507 {
 508         DoSetSize( -1 , -1 , width , height ) ;
 509 }
 510
 511 bool  wxControl::Show(bool show)
 512 {
 513         if ( m_macControl == NULL )
 514                 return wxWindow::Show( show ) ;
 515
 516         if ( m_macShown == show )
 517                 return TRUE ;
 518
 519         if ( show )
 520                 ::UMAShowControl( m_macControl ) ;
 521         else
 522                 ::UMAHideControl( m_macControl ) ;
 523
 524         return wxWindow::Show( show ) ;
 525 }
 526
 527 void  wxControl::Enable(bool enable)
 528 {
 529         if ( m_macControl == NULL )
 530                 return wxWindow::Enable( enable ) ;
 531
 532         if ( m_macEnabled == enable )
 533                 return ;
 534
 535         if ( UMAHasAppearance() )
 536         {
 537                 if ( enable )
 538                         ::ActivateControl( m_macControl ) ;
 539                 else
 540                         ::DeactivateControl( m_macControl ) ;
 541         }
 542         else
 543         {
 544                 if ( enable )
 545                         ::HiliteControl( m_macControl , 0 ) ;
 546                 else
 547                         ::HiliteControl( m_macControl , 255 ) ;
 548         }
 549
 550         return wxWindow::Enable( enable ) ;
 551 }
 552
 553 void wxControl::Refresh(bool eraseBack, const wxRect *rect)
 554 {
 555   if ( m_macControl )
 556   {
 557         wxWindow::Refresh( eraseBack , rect ) ;
 558         }
 559   else
 560   {
 561         wxWindow::Refresh( eraseBack , rect ) ;
 562   }
 563 }
 564
 565 void wxControl::OnPaint(wxPaintEvent& event)
 566 {
 567         if ( m_macControl )
 568         {
 569                 WindowRef window = GetMacRootWindow() ;
 570                 if ( window )
 571                 {
 572                         wxWindow* win = wxFindWinFromMacWindow( window ) ;
 573                         if ( win )
 574                         {
 575                                 wxMacDrawingHelper help( win ) ;
 576                                 SetOrigin( 0 , 0 ) ;
 577
 578                                 bool                    hasTabBehind = false ;
 579                                 wxWindow* parent = GetParent() ;
 580                                 while ( parent )
 581                                 {
 582                                         if( parent->m_macWindowData )
 583                                         {
 584                                                 UMASetThemeWindowBackground( win->m_macWindowData->m_macWindow , kThemeBrushDialogBackgroundActive , false ) ;
 585                                                 break ;
 586                                         }
 587
 588                                         if( parent->IsKindOf( CLASSINFO( wxNotebook ) ) ||  parent->IsKindOf( CLASSINFO( wxTabCtrl ) ))
 589                                         {
 590                                                 if ( ((wxControl*)parent)->m_macControl )
 591                                                         SetUpControlBackground( ((wxControl*)parent)->m_macControl , -1 , true ) ;
 592                                                 break ;
 593                                         }
 594
 595                                         parent = parent->GetParent() ;
 596                                 }
 597
 598                                 UMADrawControl( m_macControl ) ;
 599                                 UMASetThemeWindowBackground( win->m_macWindowData->m_macWindow , win->m_macWindowData->m_macWindowBackgroundTheme , false ) ;
 600                         }
 601                 }
 602         }
 603         else
 604         {
 605                 wxWindow::OnPaint( event ) ;
 606         }
 607 }
 608
 609 void  wxControl::OnKeyDown( wxKeyEvent &event )
 610 {
 611         if ( m_macControl == NULL )
 612                 return ;
 613
 614         EventRecord *ev = wxTheApp->MacGetCurrentEvent() ;
 615         short keycode ;
 616         short keychar ;
 617         keychar = short(ev->message & charCodeMask);
 618         keycode = short(ev->message & keyCodeMask) >> 8 ;
 619
 620         UMAHandleControlKey( m_macControl , keycode , keychar , ev->modifiers ) ;
 621 }
 622
 623 void  wxControl::OnMouseEvent( wxMouseEvent &event )
 624 {
 625         if ( m_macControl == NULL )
 626         {
 627                 event.Skip() ;
 628                 return ;
 629         }
 630
 631         if (event.GetEventType() == wxEVT_LEFT_DOWN )
 632         {
 633
 634                 int x = event.m_x ;
 635                 int y = event.m_y ;
 636
 637                 MacClientToRootWindow( &x , &y ) ;
 638
 639                 ControlHandle   control ;
 640                 Point           localwhere ;
 641                 GrafPtr         port ;
 642                 SInt16          controlpart ;
 643                 WindowRef       window = GetMacRootWindow() ;
 644
 645                 localwhere.h = x ;
 646                 localwhere.v = y ;
 647
 648                 short modifiers = 0;
 649
 650                 if ( !event.m_leftDown && !event.m_rightDown )
 651                         modifiers  |= btnState ;
 652
 653                 if ( event.m_shiftDown )
 654                         modifiers |= shiftKey ;
 655
 656                 if ( event.m_controlDown )
 657                         modifiers |= controlKey ;
 658
 659                 if ( event.m_altDown )
 660                         modifiers |= optionKey ;
 661
 662                 if ( event.m_metaDown )
 663                         modifiers |= cmdKey ;
 664
 665                 controlpart = FindControl( localwhere , window , &control ) ;
 666                 {
 667                         if ( AcceptsFocus() && FindFocus() != this )
 668                         {
 669                                 SetFocus() ;
 670                         }
 671                         if ( control && UMAIsControlActive( control ) )
 672                         {
 673                                 {
 674                                         if ( controlpart == kControlIndicatorPart && !UMAHasAppearance() )
 675                                                 controlpart = UMAHandleControlClick( control , localwhere , modifiers , (ControlActionUPP) NULL ) ;
 676                                         else
 677                                                 controlpart = UMAHandleControlClick( control , localwhere , modifiers , (ControlActionUPP) -1 ) ;
 678                                         wxTheApp->s_lastMouseDown = 0 ;
 679                                         if ( controlpart && ! ( ( UMAHasAppearance() || (controlpart != kControlIndicatorPart) )
 680                                                 && (IsKindOf( CLASSINFO( wxScrollBar ) ) ) ) ) // otherwise we will get the event twice
 681                                         {
 682                                                 MacHandleControlClick( control , controlpart ) ;
 683                                         }
 684                                 }
 685                         }
 686                 }
 687         }
 688 }
 689
 690 bool wxControl::MacCanFocus() const
 691 {
 692                 { if ( m_macControl == NULL )
 693                                 return true ;
 694                         else
 695                         return false ;
 696                 }
 697 }
 698
 699 void wxControl::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
 700 {
 701         wxASSERT_MSG( m_macControl != NULL , "No valid mac control" ) ;
 702 }
 703