src/mac/control.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        control.cpp
   3 // Purpose:     wxControl class
   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 "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/dcclient.h"
  23 #include "wx/notebook.h"
  24 #include "wx/tabctrl.h"
  25 #include "wx/radiobox.h"
  26 #include "wx/spinbutt.h"
  27 #include "wx/scrolbar.h"
  28 #include "wx/button.h"
  29 #include "wx/dialog.h"
  30 #include "wx/statbox.h"
  31 #include "wx/sizer.h"
  32 #include "wx/stattext.h"
  33
  34 #if !USE_SHARED_LIBRARY
  35 IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
  36
  37 BEGIN_EVENT_TABLE(wxControl, wxWindow)
  38     EVT_MOUSE_EVENTS( wxControl::OnMouseEvent )
  39     EVT_PAINT( wxControl::OnPaint )
  40 END_EVENT_TABLE()
  41 #endif
  42
  43 #include "wx/mac/uma.h"
  44 #include "wx/mac/private.h"
  45
  46 // Item members
  47
  48
  49 #if PRAGMA_STRUCT_ALIGN
  50     #pragma options align=mac68k
  51 #elif PRAGMA_STRUCT_PACKPUSH
  52     #pragma pack(push, 2)
  53 #elif PRAGMA_STRUCT_PACK
  54     #pragma pack(2)
  55 #endif
  56
  57 typedef struct {
  58  unsigned short instruction;
  59  void (*function)();
  60 } cdefRec, *cdefPtr, **cdefHandle;
  61
  62 #if PRAGMA_STRUCT_ALIGN
  63     #pragma options align=reset
  64 #elif PRAGMA_STRUCT_PACKPUSH
  65     #pragma pack(pop)
  66 #elif PRAGMA_STRUCT_PACK
  67     #pragma pack()
  68 #endif
  69
  70 ControlActionUPP wxMacLiveScrollbarActionUPP = NULL ;
  71 wxControl *wxFindControlFromMacControl(ControlHandle inControl ) ;
  72
  73 pascal void wxMacLiveScrollbarActionProc( ControlHandle control , ControlPartCode partCode ) ;
  74 pascal void wxMacLiveScrollbarActionProc( ControlHandle control , ControlPartCode partCode )
  75 {
  76     if ( partCode != 0)
  77     {
  78         wxControl*  wx = (wxControl*) GetControlReference( control ) ;
  79         if ( wx )
  80         {
  81             wx->MacHandleControlClick( control , partCode , true /* stillDown */ ) ;
  82         }
  83     }
  84 }
  85
  86 ControlColorUPP wxMacSetupControlBackgroundUPP = NULL ;
  87 ControlDefUPP wxMacControlActionUPP = NULL ;
  88
  89 pascal SInt32  wxMacControlDefinition(SInt16 varCode, ControlRef theControl, ControlDefProcMessage message, SInt32 param)
  90 {
  91
  92     wxControl*  wx = (wxControl*) wxFindControlFromMacControl( theControl ) ;
  93     if ( wx != NULL && wx->IsKindOf( CLASSINFO( wxControl ) ) )
  94     {
  95         if( message == drawCntl )
  96         {
  97             wxMacWindowClipper clip( wx ) ;
  98             return InvokeControlDefUPP( varCode , theControl , message , param , (ControlDefUPP) wx->MacGetControlAction() ) ;
  99         }
 100         else
 101             return InvokeControlDefUPP( varCode , theControl , message , param , (ControlDefUPP) wx->MacGetControlAction() ) ;
 102     }
 103     return  NULL ;
 104 }
 105
 106 pascal OSStatus wxMacSetupControlBackground( ControlRef iControl , SInt16 iMessage , SInt16 iDepth , Boolean iIsColor )
 107 {
 108     OSStatus status = noErr ;
 109     switch( iMessage )
 110     {
 111         case kControlMsgSetUpBackground :
 112             {
 113                 wxControl*  wx = (wxControl*) GetControlReference( iControl ) ;
 114                 if ( wx != NULL && wx->IsKindOf( CLASSINFO( wxControl ) ) )
 115                 {
 116                     wxDC::MacSetupBackgroundForCurrentPort( wx->MacGetBackgroundBrush() ) ;
 117 #if TARGET_CARBON
 118                     // under classic this would lead to partial redraws
 119                     RgnHandle clip = NewRgn() ;
 120                     int x = 0 , y = 0;
 121
 122                     wx->MacWindowToRootWindow( &x,&y ) ;
 123                     CopyRgn( (RgnHandle) wx->MacGetVisibleRegion(false).GetWXHRGN() , clip ) ;
 124                     OffsetRgn( clip , x , y ) ;
 125                     SetClip( clip ) ;
 126                     DisposeRgn( clip ) ;
 127 #endif
 128                 }
 129                 else
 130                 {
 131                     status = paramErr ;
 132                 }
 133             }
 134             break ;
 135         default :
 136             status = paramErr ;
 137             break ;
 138     }
 139     return status ;
 140 }
 141
 142 wxControl::wxControl()
 143 {
 144     m_macControl = NULL ;
 145     m_macControlAction = NULL ;
 146     m_macHorizontalBorder = 0 ; // additional pixels around the real control
 147     m_macVerticalBorder = 0 ;
 148     m_backgroundColour = *wxWHITE;
 149     m_foregroundColour = *wxBLACK;
 150
 151     if ( wxMacLiveScrollbarActionUPP == NULL )
 152     {
 153 #if defined(UNIVERSAL_INTERFACES_VERSION) && (UNIVERSAL_INTERFACES_VERSION >= 0x0340)
 154         wxMacLiveScrollbarActionUPP = NewControlActionUPP( wxMacLiveScrollbarActionProc );
 155 #else
 156         wxMacLiveScrollbarActionUPP = NewControlActionProc( wxMacLiveScrollbarActionProc ) ;
 157 #endif
 158     }
 159 }
 160
 161 bool wxControl::Create(wxWindow *parent, wxWindowID id,
 162                        const wxPoint& pos,
 163                        const wxSize& size, long style,
 164                        const wxValidator& validator,
 165                        const wxString& name)
 166 {
 167     m_macControl = NULL ;
 168     m_macHorizontalBorder = 0 ; // additional pixels around the real control
 169     m_macVerticalBorder = 0 ;
 170
 171     bool rval = wxWindow::Create(parent, id, pos, size, style, name);
 172     if ( parent )
 173     {
 174         m_backgroundColour = parent->GetBackgroundColour() ;
 175         m_foregroundColour = parent->GetForegroundColour() ;
 176     }
 177     if (rval) {
 178 #if wxUSE_VALIDATORS
 179         SetValidator(validator);
 180 #endif
 181     }
 182     return rval;
 183 }
 184
 185 wxControl::~wxControl()
 186 {
 187     m_isBeingDeleted = TRUE;
 188     wxRemoveMacControlAssociation( this ) ;
 189     // If we delete an item, we should initialize the parent panel,
 190     // because it could now be invalid.
 191     wxWindow *parent = GetParent() ;
 192     if ( parent )
 193     {
 194         if (parent->GetDefaultItem() == (wxButton*) this)
 195             parent->SetDefaultItem(NULL);
 196     }
 197     if ( (ControlHandle) m_macControl )
 198     {
 199         ::DisposeControl( (ControlHandle) m_macControl ) ;
 200         m_macControl = NULL ;
 201     }
 202 }
 203
 204 void wxControl::SetLabel(const wxString& title)
 205 {
 206     m_label = wxStripMenuCodes(title) ;
 207
 208     if ( m_macControl )
 209     {
 210                 UMASetControlTitle( (ControlHandle) m_macControl , m_label , m_font.GetEncoding() ) ;
 211     }
 212     Refresh() ;
 213 }
 214
 215 wxSize wxControl::DoGetBestSize() const
 216 {
 217     if ( (ControlHandle) m_macControl == NULL )
 218         return wxWindow::DoGetBestSize() ;
 219
 220     Rect    bestsize = { 0 , 0 , 0 , 0 } ;
 221     short   baselineoffset ;
 222     int bestWidth, bestHeight ;
 223     ::GetBestControlRect( (ControlHandle) m_macControl , &bestsize , &baselineoffset ) ;
 224
 225     if ( EmptyRect( &bestsize ) )
 226     {
 227         baselineoffset = 0;
 228         bestsize.left = bestsize.top = 0 ;
 229         bestsize.right = 16 ;
 230         bestsize.bottom = 16 ;
 231         if ( IsKindOf( CLASSINFO( wxScrollBar ) ) )
 232         {
 233             bestsize.bottom = 16 ;
 234         }
 235         else if ( IsKindOf( CLASSINFO( wxSpinButton ) ) )
 236         {
 237             bestsize.bottom = 24 ;
 238         }
 239     }
 240
 241     bestWidth = bestsize.right - bestsize.left ;
 242
 243     bestWidth += 2 * m_macHorizontalBorder ;
 244
 245     bestHeight = bestsize.bottom - bestsize.top ;
 246     if ( bestHeight < 10 )
 247         bestHeight = 13 ;
 248
 249     bestHeight += 2 * m_macVerticalBorder;
 250
 251
 252     return wxSize(bestWidth, bestHeight);
 253 }
 254
 255 bool wxControl::ProcessCommand (wxCommandEvent & event)
 256 {
 257     // Tries:
 258     // 1) OnCommand, starting at this window and working up parent hierarchy
 259     // 2) OnCommand then calls ProcessEvent to search the event tables.
 260     return GetEventHandler()->ProcessEvent(event);
 261 }
 262
 263 // ------------------------
 264 wxList *wxWinMacControlList = NULL;
 265 wxControl *wxFindControlFromMacControl(ControlHandle inControl )
 266 {
 267     wxNode *node = wxWinMacControlList->Find((long)inControl);
 268     if (!node)
 269         return NULL;
 270     return (wxControl *)node->GetData();
 271 }
 272
 273 void wxAssociateControlWithMacControl(ControlHandle inControl, wxControl *control)
 274 {
 275     // adding NULL WindowRef is (first) surely a result of an error and
 276     // (secondly) breaks menu command processing
 277     wxCHECK_RET( inControl != (ControlHandle) NULL, wxT("attempt to add a NULL WindowRef to window list") );
 278
 279     if ( !wxWinMacControlList->Find((long)inControl) )
 280         wxWinMacControlList->Append((long)inControl, control);
 281 }
 282
 283 void wxRemoveMacControlAssociation(wxControl *control)
 284 {
 285     if ( wxWinMacControlList )
 286         wxWinMacControlList->DeleteObject(control);
 287 }
 288
 289 void wxControl::MacPreControlCreate( wxWindow *parent, wxWindowID id, wxString label ,
 290              const wxPoint& pos,
 291              const wxSize& size, long style,
 292              const wxValidator& validator,
 293              const wxString& name , WXRECTPTR outBounds , unsigned char* maclabel )
 294 {
 295     m_label = label ;
 296
 297     // These sizes will be adjusted in MacPostControlCreate
 298     m_width = size.x ;
 299     m_height = size.y ;
 300     m_x = pos.x ;
 301     m_y = pos.y ;
 302
 303     ((Rect*)outBounds)->top = -10;
 304     ((Rect*)outBounds)->left = -10;
 305     ((Rect*)outBounds)->bottom = 0;
 306     ((Rect*)outBounds)->right = 0;
 307
 308     wxMacStringToPascal( wxStripMenuCodes(label) , maclabel ) ;
 309 }
 310
 311 void wxControl::MacPostControlCreate()
 312 {
 313     wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;
 314
 315     if ( IsKindOf( CLASSINFO( wxScrollBar ) ) )
 316     {
 317         // no font
 318     }
 319     else if ( !UMAHasAquaLayout() && (IsKindOf( CLASSINFO( wxStaticBox ) ) || IsKindOf( CLASSINFO( wxRadioBox ) ) || IsKindOf( CLASSINFO( wxButton ) ) ) )
 320     {
 321         ControlFontStyleRec     controlstyle ;
 322         controlstyle.flags = kControlUseFontMask ;
 323         controlstyle.font = kControlFontSmallBoldSystemFont ;
 324
 325         ::SetControlFontStyle( (ControlHandle) m_macControl , &controlstyle ) ;
 326     }
 327     else
 328     {
 329         ControlFontStyleRec     controlstyle ;
 330         controlstyle.flags = kControlUseFontMask ;
 331
 332         if (IsKindOf( CLASSINFO( wxButton ) ) )
 333             controlstyle.font = kControlFontBigSystemFont ; // eventually kControlFontBigSystemFont ;
 334         else
 335             controlstyle.font = kControlFontSmallSystemFont ;
 336
 337         ::SetControlFontStyle( (ControlHandle) m_macControl , &controlstyle ) ;
 338     }
 339     ControlHandle container = (ControlHandle) GetParent()->MacGetContainerForEmbedding() ;
 340     wxASSERT_MSG( container != NULL , wxT("No valid mac container control") ) ;
 341     ::EmbedControl( (ControlHandle) m_macControl , container ) ;
 342     m_macControlIsShown  = MacIsReallyShown() ;
 343
 344     wxAssociateControlWithMacControl( (ControlHandle) m_macControl , this ) ;
 345     if ( wxMacSetupControlBackgroundUPP == NULL )
 346     {
 347         wxMacSetupControlBackgroundUPP = NewControlColorUPP( wxMacSetupControlBackground ) ;
 348     }
 349     if ( wxMacControlActionUPP == NULL )
 350     {
 351         wxMacControlActionUPP = NewControlDefUPP( wxMacControlDefinition ) ;
 352     }
 353     // The following block of code is responsible for crashes when switching
 354     // back to windows, which can be seen in the dialogs sample.
 355     // It is disabled until a proper solution can be found.
 356 #if 0
 357 #if TARGET_CARBON
 358 /*
 359     only working under classic carbon
 360     m_macControlAction = *(**(ControlHandle)m_macControl).contrlDefProc ;
 361     (**(ControlHandle)m_macControl).contrlDefProc = (Handle) &wxMacControlActionUPP ;
 362 */
 363 #else
 364     m_macControlAction = *(**(ControlHandle)m_macControl).contrlDefProc ;
 365
 366     cdefHandle cdef ;
 367     cdef = (cdefHandle) NewHandle( sizeof(cdefRec) ) ;
 368     if (  (**(ControlHandle)m_macControl).contrlDefProc != NULL )
 369     {
 370         (**cdef).instruction = 0x4EF9;  /* JMP instruction */
 371         (**cdef).function = (void(*)()) wxMacControlActionUPP;
 372         (**(ControlHandle)m_macControl).contrlDefProc = (Handle) cdef ;
 373     }
 374 #endif
 375 #endif
 376     SetControlColorProc( (ControlHandle) m_macControl , wxMacSetupControlBackgroundUPP ) ;
 377
 378     // Adjust the controls size and position
 379     wxPoint pos(m_x, m_y);
 380     wxSize best_size( DoGetBestSize() );
 381     wxSize new_size( m_width, m_height );
 382
 383     m_x = m_y = m_width = m_height = -1;  // Forces SetSize to move/size the control
 384
 385     if (new_size.x == -1) {
 386         new_size.x = best_size.x;
 387     }
 388     if (new_size.y == -1) {
 389         new_size.y = best_size.y;
 390     }
 391
 392     SetSize(pos.x, pos.y, new_size.x, new_size.y);
 393
 394 #if wxUSE_UNICODE
 395     UMASetControlTitle( (ControlHandle) m_macControl , wxStripMenuCodes(m_label) , m_font.GetEncoding() ) ;
 396 #endif
 397
 398     if ( m_macControlIsShown )
 399         UMAShowControl( (ControlHandle) m_macControl ) ;
 400
 401     SetCursor( *wxSTANDARD_CURSOR ) ;
 402
 403     Refresh() ;
 404 }
 405
 406 void wxControl::MacAdjustControlRect()
 407 {
 408     wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;
 409     if ( m_width == -1 || m_height == -1 )
 410     {
 411         Rect    bestsize = { 0 , 0 , 0 , 0 } ;
 412         short   baselineoffset ;
 413
 414         ::GetBestControlRect( (ControlHandle) m_macControl , &bestsize , &baselineoffset ) ;
 415
 416         if ( EmptyRect( &bestsize ) )
 417         {
 418             baselineoffset = 0;
 419             bestsize.left = bestsize.top = 0 ;
 420             bestsize.right = 16 ;
 421             bestsize.bottom = 16 ;
 422             if ( IsKindOf( CLASSINFO( wxScrollBar ) ) )
 423             {
 424                 bestsize.bottom = 16 ;
 425             }
 426             else if ( IsKindOf( CLASSINFO( wxSpinButton ) ) )
 427             {
 428                 bestsize.bottom = 24 ;
 429             }
 430         }
 431
 432         if ( m_width == -1 )
 433         {
 434             if ( IsKindOf( CLASSINFO( wxButton ) ) )
 435             {
 436                 m_width = m_label.Length() * 10 + 12 ;
 437                 if ( m_width < 70 )
 438                   m_width = 70 ;
 439             }
 440             else if ( IsKindOf( CLASSINFO( wxStaticText ) ) )
 441             {
 442                 m_width = m_label.Length() * 8 ;
 443             }
 444             else
 445                 m_width = bestsize.right - bestsize.left ;
 446
 447             m_width += 2 * m_macHorizontalBorder + MacGetLeftBorderSize() + MacGetRightBorderSize() ;
 448         }
 449         if ( m_height == -1 )
 450         {
 451             m_height = bestsize.bottom - bestsize.top ;
 452             if ( m_height < 10 )
 453                 m_height = 13 ;
 454
 455             m_height += 2 * m_macVerticalBorder + MacGetTopBorderSize() + MacGetBottomBorderSize() ;
 456         }
 457          MacUpdateDimensions() ;
 458     }
 459 }
 460
 461 WXWidget wxControl::MacGetContainerForEmbedding()
 462 {
 463     if ( m_macControl )
 464         return m_macControl ;
 465
 466     return wxWindow::MacGetContainerForEmbedding() ;
 467 }
 468
 469 void wxControl::MacUpdateDimensions()
 470 {
 471     // actually in the current systems this should never be possible, but later reparenting
 472     // may become a reality
 473
 474     if ( (ControlHandle) m_macControl == NULL )
 475         return ;
 476
 477     if ( GetParent() == NULL )
 478         return ;
 479
 480     WindowRef rootwindow = (WindowRef) MacGetRootWindow() ;
 481     if ( rootwindow == NULL )
 482         return ;
 483
 484     Rect oldBounds ;
 485     GetControlBounds( (ControlHandle) m_macControl , &oldBounds ) ;
 486
 487     int new_x = m_x + MacGetLeftBorderSize() + m_macHorizontalBorder ;
 488     int new_y = m_y + MacGetTopBorderSize() + m_macVerticalBorder ;
 489     int new_width = m_width - MacGetLeftBorderSize() - MacGetRightBorderSize() - 2 * m_macHorizontalBorder ;
 490     int new_height = m_height - MacGetTopBorderSize() - MacGetBottomBorderSize() - 2 * m_macVerticalBorder ;
 491
 492     GetParent()->MacWindowToRootWindow( & new_x , & new_y ) ;
 493     bool doMove = new_x != oldBounds.left || new_y != oldBounds.top ;
 494     bool doResize =  ( oldBounds.right - oldBounds.left ) != new_width || (oldBounds.bottom - oldBounds.top ) != new_height ;
 495     if ( doMove || doResize )
 496     {
 497         InvalWindowRect( rootwindow, &oldBounds ) ;
 498         if ( doMove )
 499         {
 500             UMAMoveControl( (ControlHandle) m_macControl , new_x , new_y ) ;
 501         }
 502         if ( doResize )
 503         {
 504             UMASizeControl( (ControlHandle) m_macControl , new_width , new_height ) ;
 505         }
 506     }
 507 }
 508
 509 void wxControl::MacSuperChangedPosition()
 510 {
 511      MacUpdateDimensions() ;
 512     wxWindow::MacSuperChangedPosition() ;
 513 }
 514
 515 void wxControl::MacSuperEnabled( bool enabled )
 516 {
 517     Refresh(FALSE) ;
 518     wxWindow::MacSuperEnabled( enabled ) ;
 519 }
 520
 521 void wxControl::MacSuperShown( bool show )
 522 {
 523     if ( (ControlHandle) m_macControl )
 524     {
 525         if ( !show )
 526         {
 527             if ( m_macControlIsShown )
 528             {
 529                 ::UMAHideControl( (ControlHandle) m_macControl ) ;
 530                 m_macControlIsShown = false ;
 531             }
 532         }
 533         else
 534         {
 535             if ( MacIsReallyShown() && !m_macControlIsShown )
 536             {
 537                 ::UMAShowControl( (ControlHandle) m_macControl ) ;
 538                 m_macControlIsShown = true ;
 539             }
 540         }
 541     }
 542
 543     wxWindow::MacSuperShown( show ) ;
 544 }
 545
 546 void  wxControl::DoSetSize(int x, int y,
 547             int width, int height,
 548             int sizeFlags )
 549 {
 550     wxWindow::DoSetSize( x , y ,width , height ,sizeFlags ) ;
 551 #if 0
 552     {
 553         Rect meta , control ;
 554         GetControlBounds( (ControlHandle) m_macControl , &control ) ;
 555         RgnHandle rgn = NewRgn() ;
 556         GetControlRegion( (ControlHandle) m_macControl , kControlStructureMetaPart , rgn ) ;
 557         GetRegionBounds( rgn , &meta ) ;
 558         if ( !EmptyRect( &meta ) )
 559         {
 560             wxASSERT( meta.left >= control.left - m_macHorizontalBorder ) ;
 561             wxASSERT( meta.right <= control.right + m_macHorizontalBorder ) ;
 562             wxASSERT( meta.top >= control.top - m_macVerticalBorder ) ;
 563             wxASSERT( meta.bottom <= control.bottom + m_macVerticalBorder ) ;
 564         }
 565         DisposeRgn( rgn ) ;
 566     }
 567 #endif
 568     return ;
 569 }
 570
 571 bool  wxControl::Show(bool show)
 572 {
 573     if ( !wxWindow::Show( show ) )
 574         return FALSE ;
 575
 576     if ( (ControlHandle) m_macControl )
 577     {
 578         if ( !show )
 579         {
 580             if ( m_macControlIsShown )
 581             {
 582                 ::UMAHideControl( (ControlHandle) m_macControl ) ;
 583                 m_macControlIsShown = false ;
 584             }
 585         }
 586         else
 587         {
 588             if ( MacIsReallyShown() && !m_macControlIsShown )
 589             {
 590                 ::UMAShowControl( (ControlHandle) m_macControl ) ;
 591                 m_macControlIsShown = true ;
 592             }
 593         }
 594     }
 595     return TRUE ;
 596 }
 597
 598 bool  wxControl::Enable(bool enable)
 599 {
 600     if ( !wxWindow::Enable(enable) )
 601         return FALSE;
 602
 603     if ( (ControlHandle) m_macControl )
 604     {
 605         if ( enable )
 606             UMAActivateControl( (ControlHandle) m_macControl ) ;
 607         else
 608             UMADeactivateControl( (ControlHandle) m_macControl ) ;
 609     }
 610     return TRUE ;
 611 }
 612
 613 void wxControl::Refresh(bool eraseBack, const wxRect *rect)
 614 {
 615     wxWindow::Refresh( eraseBack , rect ) ;
 616 }
 617
 618 void wxControl::MacRedrawControl()
 619 {
 620     if ( (ControlHandle) m_macControl && MacGetRootWindow() && m_macControlIsShown )
 621     {
 622         wxClientDC dc(this) ;
 623         wxMacPortSetter helper(&dc) ;
 624         wxMacWindowClipper clipper(this) ;
 625         wxDC::MacSetupBackgroundForCurrentPort( MacGetBackgroundBrush() ) ;
 626         UMADrawControl( (ControlHandle) m_macControl ) ;
 627     }
 628 }
 629
 630 void wxControl::OnPaint(wxPaintEvent& event)
 631 {
 632     if ( (ControlHandle) m_macControl )
 633     {
 634         wxPaintDC dc(this) ;
 635         wxMacPortSetter helper(&dc) ;
 636         wxMacWindowClipper clipper(this) ;
 637         wxDC::MacSetupBackgroundForCurrentPort( MacGetBackgroundBrush() ) ;
 638         UMADrawControl( (ControlHandle) m_macControl ) ;
 639     }
 640     else
 641     {
 642       event.Skip() ;
 643     }
 644 }
 645 void wxControl::OnEraseBackground(wxEraseEvent& event)
 646 {
 647     wxWindow::OnEraseBackground( event ) ;
 648 }
 649
 650 void  wxControl::OnKeyDown( wxKeyEvent &event )
 651 {
 652     if ( (ControlHandle) m_macControl == NULL )
 653         return ;
 654
 655 #if TARGET_CARBON
 656
 657     char charCode ;
 658     UInt32 keyCode ;
 659     UInt32 modifiers ;
 660
 661     GetEventParameter( (EventRef) wxTheApp->MacGetCurrentEvent(), kEventParamKeyMacCharCodes, typeChar, NULL,sizeof(char), NULL,&charCode );
 662     GetEventParameter( (EventRef) wxTheApp->MacGetCurrentEvent(), kEventParamKeyCode, typeUInt32, NULL,  sizeof(UInt32), NULL, &keyCode );
 663        GetEventParameter((EventRef) wxTheApp->MacGetCurrentEvent(), kEventParamKeyModifiers, typeUInt32, NULL, sizeof(UInt32), NULL, &modifiers);
 664
 665     ::HandleControlKey( (ControlHandle) m_macControl , keyCode , charCode , modifiers ) ;
 666
 667 #else
 668     EventRecord *ev = (EventRecord*) wxTheApp->MacGetCurrentEvent() ;
 669     short keycode ;
 670     short keychar ;
 671     keychar = short(ev->message & charCodeMask);
 672     keycode = short(ev->message & keyCodeMask) >> 8 ;
 673
 674     ::HandleControlKey( (ControlHandle) m_macControl , keycode , keychar , ev->modifiers ) ;
 675 #endif
 676 }
 677
 678 void  wxControl::OnMouseEvent( wxMouseEvent &event )
 679 {
 680     if ( (ControlHandle) m_macControl == NULL )
 681     {
 682         event.Skip() ;
 683         return ;
 684     }
 685
 686     if (event.GetEventType() == wxEVT_LEFT_DOWN || event.GetEventType() == wxEVT_LEFT_DCLICK )
 687     {
 688
 689         int x = event.m_x ;
 690         int y = event.m_y ;
 691
 692         MacClientToRootWindow( &x , &y ) ;
 693
 694         ControlHandle   control ;
 695         Point       localwhere ;
 696         SInt16      controlpart ;
 697
 698         localwhere.h = x ;
 699         localwhere.v = y ;
 700
 701         short modifiers = 0;
 702
 703         if ( !event.m_leftDown && !event.m_rightDown )
 704             modifiers  |= btnState ;
 705
 706         if ( event.m_shiftDown )
 707             modifiers |= shiftKey ;
 708
 709         if ( event.m_controlDown )
 710             modifiers |= controlKey ;
 711
 712         if ( event.m_altDown )
 713             modifiers |= optionKey ;
 714
 715         if ( event.m_metaDown )
 716             modifiers |= cmdKey ;
 717         {
 718             control = (ControlHandle) m_macControl ;
 719             if ( control && ::IsControlActive( control ) )
 720             {
 721                 {
 722                     controlpart = ::HandleControlClick( control , localwhere , modifiers , (ControlActionUPP) -1 ) ;
 723                     wxTheApp->s_lastMouseDown = 0 ;
 724                     if ( control && controlpart != kControlNoPart )
 725                     {
 726                         MacHandleControlClick( control , controlpart , false /* mouse not down anymore */ ) ;
 727                     }
 728                 }
 729             }
 730         }
 731     }
 732     else
 733     {
 734         event.Skip() ;
 735     }
 736 }
 737
 738 bool wxControl::MacCanFocus() const
 739 {
 740     if ( (ControlHandle) m_macControl == NULL )
 741         return true ;
 742     else
 743         return false ;
 744 }
 745
 746 void wxControl::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED( mouseStillDown ) )
 747 {
 748     wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;
 749 }
 750