src/mac/listbox.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        listbox.cpp
   3 // Purpose:     wxListBox
   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 "listbox.h"
  14 #endif
  15
  16 #include "wx/app.h"
  17 #include "wx/listbox.h"
  18 #include "wx/settings.h"
  19 #include "wx/toplevel.h"
  20 #include "wx/dynarray.h"
  21 #include "wx/log.h"
  22
  23 #include "wx/utils.h"
  24
  25 #if !USE_SHARED_LIBRARY
  26   IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
  27
  28 BEGIN_EVENT_TABLE(wxListBox, wxControl)
  29     EVT_SIZE( wxListBox::OnSize )
  30 END_EVENT_TABLE()
  31 #endif
  32
  33 #include "wx/mac/uma.h"
  34
  35 #if PRAGMA_STRUCT_ALIGN
  36     #pragma options align=mac68k
  37 #elif PRAGMA_STRUCT_PACKPUSH
  38     #pragma pack(push, 2)
  39 #elif PRAGMA_STRUCT_PACK
  40     #pragma pack(2)
  41 #endif
  42
  43 typedef struct {
  44  unsigned short instruction;
  45  void (*function)();
  46 } ldefRec, *ldefPtr, **ldefHandle;
  47
  48 #if PRAGMA_STRUCT_ALIGN
  49     #pragma options align=reset
  50 #elif PRAGMA_STRUCT_PACKPUSH
  51     #pragma pack(pop)
  52 #elif PRAGMA_STRUCT_PACK
  53     #pragma pack()
  54 #endif
  55
  56 extern "C"
  57 {
  58 static pascal void wxMacListDefinition( short message, Boolean isSelected, Rect *drawRect,
  59                                      Cell cell, short dataOffset, short dataLength,
  60                                      ListHandle listHandle ) ;
  61 }
  62
  63 static pascal void wxMacListDefinition( short message, Boolean isSelected, Rect *drawRect,
  64                                      Cell cell, short dataOffset, short dataLength,
  65                                      ListHandle listHandle )
  66 {
  67     GrafPtr savePort;
  68     GrafPtr grafPtr;
  69     RgnHandle savedClipRegion;
  70     SInt32 savedPenMode;
  71     wxListBox*          list;
  72   GetPort(&savePort);
  73   SetPort((**listHandle).port);
  74   grafPtr = (**listHandle).port ;
  75     // typecast our refCon
  76     list = (wxListBox*) GetControlReference( (ControlHandle) GetListRefCon(listHandle) );
  77
  78     //  Calculate the cell rect.
  79
  80     switch( message ) {
  81         case lInitMsg:
  82             break;
  83
  84         case lCloseMsg:
  85             break;
  86
  87         case lDrawMsg:
  88         {
  89             const wxString text = list->m_stringArray[cell.v] ;
  90
  91             //  Save the current clip region, and set the clip region to the area we are about
  92             //  to draw.
  93
  94             savedClipRegion = NewRgn();
  95             GetClip( savedClipRegion );
  96
  97             ClipRect( drawRect );
  98             EraseRect( drawRect );
  99
 100         MoveTo(drawRect->left + 4 , drawRect->top + 10 );
 101         ::TextFont( kFontIDMonaco ) ;
 102         ::TextSize( 9  );
 103         ::TextFace( 0 ) ;
 104
 105         DrawText(text, 0 , text.Length());
 106             //  If the cell is hilited, do the hilite now. Paint the cell contents with the
 107             //  appropriate QuickDraw transform mode.
 108
 109             if( isSelected ) {
 110                 savedPenMode = GetPortPenMode( (CGrafPtr) grafPtr );
 111                 SetPortPenMode( (CGrafPtr)grafPtr, hilitetransfermode );
 112                 PaintRect( drawRect );
 113                 SetPortPenMode( (CGrafPtr)grafPtr, savedPenMode );
 114             }
 115
 116             //  Restore the saved clip region.
 117
 118             SetClip( savedClipRegion );
 119             DisposeRgn( savedClipRegion );
 120             }
 121             break;
 122         case lHiliteMsg:
 123
 124             //  Hilite or unhilite the cell. Paint the cell contents with the
 125             //  appropriate QuickDraw transform mode.
 126
 127             GetPort( &grafPtr );
 128             savedPenMode = GetPortPenMode( (CGrafPtr)grafPtr );
 129             SetPortPenMode( (CGrafPtr)grafPtr, hilitetransfermode );
 130             PaintRect( drawRect );
 131             SetPortPenMode( (CGrafPtr)grafPtr, savedPenMode );
 132             break;
 133         default :
 134           break ;
 135     }
 136     SetPort(savePort);
 137 }
 138
 139 extern "C" void MacDrawStringCell(Rect *cellRect, Cell lCell, ListHandle theList, long refCon) ;
 140 const short kwxMacListWithVerticalScrollbar = 128 ;
 141 const short kwxMacListItemHeight = 14 ;
 142
 143 // ============================================================================
 144 // list box control implementation
 145 // ============================================================================
 146
 147 // Listbox item
 148 wxListBox::wxListBox()
 149 {
 150   m_noItems = 0;
 151   m_selected = 0;
 152   m_macList = NULL ;
 153 }
 154
 155 static ListDefUPP macListDefUPP = NULL ;
 156
 157 bool wxListBox::Create(wxWindow *parent, wxWindowID id,
 158                        const wxPoint& pos,
 159                        const wxSize& size,
 160                        int n, const wxString choices[],
 161                        long style,
 162                        const wxValidator& validator,
 163                        const wxString& name)
 164 {
 165     m_noItems = 0 ; // this will be increased by our append command
 166     m_selected = 0;
 167
 168     Rect bounds ;
 169     Str255 title ;
 170
 171     MacPreControlCreate( parent , id ,  "" , pos , size ,style, validator , name , &bounds , title ) ;
 172
 173     ListDefSpec listDef;
 174     listDef.defType = kListDefUserProcType;
 175     if ( macListDefUPP == NULL )
 176     {
 177       macListDefUPP = NewListDefUPP( wxMacListDefinition );
 178     }
 179         listDef.u.userProc = macListDefUPP ;
 180
 181 #if TARGET_CARBON
 182     Size asize;
 183
 184
 185     CreateListBoxControl( MAC_WXHWND(parent->MacGetRootWindow()), &bounds, false, 0, 1, false, true,
 186                           kwxMacListItemHeight, kwxMacListItemHeight, false, &listDef, (ControlRef *)&m_macControl );
 187
 188     GetControlData( (ControlHandle) m_macControl, kControlNoPart, kControlListBoxListHandleTag,
 189                    sizeof(ListHandle), (Ptr) &m_macList, &asize);
 190
 191     SetControlReference( (ControlHandle) m_macControl, (long) this);
 192     SetControlVisibility( (ControlHandle) m_macControl, false, false);
 193
 194 #else
 195
 196     long    result ;
 197     wxStAppResource resload ;
 198     m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false ,
 199                   kwxMacListWithVerticalScrollbar , 0 , 0,
 200                   kControlListBoxProc , (long) this ) ;
 201     ::GetControlData( (ControlHandle) m_macControl , kControlNoPart , kControlListBoxListHandleTag ,
 202                sizeof( ListHandle ) , (char*) &m_macList  , &result ) ;
 203
 204     HLock( (Handle) m_macList ) ;
 205     ldefHandle ldef ;
 206     ldef = (ldefHandle) NewHandle( sizeof(ldefRec) ) ;
 207     if (  (**(ListHandle)m_macList).listDefProc != NULL )
 208     {
 209       (**ldef).instruction = 0x4EF9;  /* JMP instruction */
 210       (**ldef).function = (void(*)()) listDef.u.userProc;
 211       (**(ListHandle)m_macList).listDefProc = (Handle) ldef ;
 212     }
 213
 214     Point pt = (**(ListHandle)m_macList).cellSize ;
 215     pt.v = kwxMacListItemHeight ;
 216     LCellSize( pt , (ListHandle)m_macList ) ;
 217     LAddColumn( 1 , 0 , (ListHandle)m_macList ) ;
 218 #endif
 219     OptionBits  options = 0;
 220     if ( style & wxLB_MULTIPLE )
 221     {
 222         options += lNoExtend ;
 223     }
 224     else if ( style & wxLB_EXTENDED )
 225     {
 226         options += lExtendDrag ;
 227     }
 228     else
 229     {
 230         options = lOnlyOne ;
 231     }
 232     SetListSelectionFlags((ListHandle)m_macList, options);
 233
 234     MacPostControlCreate() ;
 235
 236     for ( int i = 0 ; i < n ; i++ )
 237     {
 238         Append( choices[i] ) ;
 239     }
 240
 241     LSetDrawingMode( true , (ListHandle)m_macList ) ;
 242
 243     return TRUE;
 244 }
 245
 246 wxListBox::~wxListBox()
 247 {
 248     Free() ;
 249     if ( m_macList )
 250     {
 251 #if !TARGET_CARBON
 252       DisposeHandle( (**(ListHandle)m_macList).listDefProc ) ;
 253       (**(ListHandle)m_macList).listDefProc = NULL ;
 254 #endif
 255         m_macList = NULL ;
 256     }
 257 }
 258
 259 void wxListBox::Free()
 260 {
 261 #if wxUSE_OWNER_DRAWN
 262     if ( m_windowStyle & wxLB_OWNERDRAW )
 263     {
 264         size_t uiCount = m_aItems.Count();
 265         while ( uiCount-- != 0 ) {
 266             delete m_aItems[uiCount];
 267         }
 268
 269         m_aItems.Clear();
 270     }
 271     else
 272 #endif // wxUSE_OWNER_DRAWN
 273     if ( HasClientObjectData() )
 274     {
 275         for ( size_t n = 0; n < (size_t)m_noItems; n++ )
 276         {
 277             delete GetClientObject(n);
 278         }
 279     }
 280 }
 281
 282 void  wxListBox::DoSetSize(int x, int y,
 283             int width, int height,
 284             int sizeFlags )
 285 {
 286     wxControl::DoSetSize( x , y , width , height , sizeFlags ) ;
 287 #if TARGET_CARBON
 288     Rect bounds ;
 289     GetControlBounds( (ControlHandle) m_macControl , &bounds ) ;
 290     ControlRef control = GetListVerticalScrollBar( (ListHandle)m_macList ) ;
 291     if ( control )
 292     {
 293         Rect scrollbounds ;
 294         GetControlBounds( control , &scrollbounds ) ;
 295         if( scrollbounds.right != bounds.right + 1 )
 296         {
 297             UMAMoveControl( control , bounds.right - (scrollbounds.right - scrollbounds.left) + 1 ,
 298                 scrollbounds.top ) ;
 299         }
 300     }
 301 #endif
 302 }
 303 void wxListBox::DoSetFirstItem(int N)
 304 {
 305     MacScrollTo( N ) ;
 306 }
 307
 308 void wxListBox::Delete(int N)
 309 {
 310     wxCHECK_RET( N >= 0 && N < m_noItems,
 311                  wxT("invalid index in wxListBox::Delete") );
 312
 313 #if wxUSE_OWNER_DRAWN
 314     delete m_aItems[N];
 315     m_aItems.RemoveAt(N);
 316 #else // !wxUSE_OWNER_DRAWN
 317     if ( HasClientObjectData() )
 318     {
 319         delete GetClientObject(N);
 320     }
 321 #endif // wxUSE_OWNER_DRAWN/!wxUSE_OWNER_DRAWN
 322     m_stringArray.Remove( N ) ;
 323     m_dataArray.RemoveAt( N ) ;
 324     m_noItems --;
 325
 326     MacDelete( N ) ;
 327 }
 328
 329 int wxListBox::DoAppend(const wxString& item)
 330 {
 331     int index = m_noItems ;
 332     if( wxApp::s_macDefaultEncodingIsPC )
 333     {
 334         m_stringArray.Add( wxMacMakeMacStringFromPC( item ) ) ;
 335         m_dataArray.Add( NULL );
 336     }
 337     else {
 338         m_stringArray.Add( item ) ;
 339         m_dataArray.Add( NULL );
 340     }
 341     m_noItems ++;
 342     DoSetItemClientData( index , NULL ) ;
 343     MacAppend( item ) ;
 344
 345     return index ;
 346 }
 347
 348 void wxListBox::DoSetItems(const wxArrayString& choices, void** clientData)
 349 {
 350   MacSetRedraw( false ) ;
 351   Clear() ;
 352   int n = choices.GetCount();
 353
 354   for( int i = 0 ; i < n ; ++i )
 355   {
 356     if ( clientData )
 357     {
 358 #if wxUSE_OWNER_DRAWN
 359             wxASSERT_MSG(clientData[i] == NULL,
 360                          wxT("Can't use client data with owner-drawn listboxes"));
 361 #else // !wxUSE_OWNER_DRAWN
 362         Append( choices[i] , clientData[i] ) ;
 363  #endif
 364     }
 365     else
 366         Append( choices[i] ) ;
 367   }
 368
 369 #if wxUSE_OWNER_DRAWN
 370     if ( m_windowStyle & wxLB_OWNERDRAW ) {
 371         // first delete old items
 372         size_t ui = m_aItems.Count();
 373         while ( ui-- != 0 ) {
 374             delete m_aItems[ui];
 375         }
 376         m_aItems.Empty();
 377
 378         // then create new ones
 379         for ( ui = 0; ui < (size_t)m_noItems; ui++ ) {
 380             wxOwnerDrawn *pNewItem = CreateItem(ui);
 381             pNewItem->SetName(choices[ui]);
 382             m_aItems.Add(pNewItem);
 383         }
 384     }
 385 #endif // wxUSE_OWNER_DRAWN
 386   MacSetRedraw( true ) ;
 387 }
 388
 389 bool wxListBox::HasMultipleSelection() const
 390 {
 391     return (m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED);
 392 }
 393
 394 int wxListBox::FindString(const wxString& st) const
 395 {
 396     wxString s ;
 397     if( wxApp::s_macDefaultEncodingIsPC )
 398     {
 399         s = wxMacMakeMacStringFromPC( st ) ;
 400     }
 401     else
 402         s = st ;
 403
 404     if ( s.Right(1) == "*" )
 405     {
 406         wxString search = s.Left( s.Length() - 1 ) ;
 407         int len = search.Length() ;
 408         Str255 s1 , s2 ;
 409
 410 #if TARGET_CARBON
 411         c2pstrcpy( (StringPtr) s2 , search.c_str() ) ;
 412 #else
 413         strcpy( (char *) s2 , search.c_str() ) ;
 414         c2pstr( (char *) s2 ) ;
 415 #endif
 416
 417         for ( int i = 0 ; i < m_noItems ; ++ i )
 418         {
 419 #if TARGET_CARBON
 420             c2pstrcpy( (StringPtr) s1 , m_stringArray[i].Left( len ).c_str() ) ;
 421 #else
 422             strcpy( (char *) s1 , m_stringArray[i].Left( len ).c_str() ) ;
 423             c2pstr( (char *) s1 ) ;
 424 #endif
 425             if ( EqualString( s1 , s2 , false , false ) )
 426                 return i ;
 427         }
 428         if ( s.Left(1) == "*" && s.Length() > 1 )
 429         {
 430             s.MakeLower() ;
 431             for ( int i = 0 ; i < m_noItems ; ++i )
 432             {
 433                 if ( GetString(i).Lower().Matches(s) )
 434                     return i ;
 435             }
 436         }
 437
 438     }
 439     else
 440     {
 441         Str255 s1 , s2 ;
 442
 443 #if TARGET_CARBON
 444         c2pstrcpy( (StringPtr) s2 , s.c_str() ) ;
 445 #else
 446         strcpy( (char *) s2 , s.c_str() ) ;
 447         c2pstr( (char *) s2 ) ;
 448 #endif
 449
 450         for ( int i = 0 ; i < m_noItems ; ++ i )
 451         {
 452 #if TARGET_CARBON
 453             c2pstrcpy( (StringPtr) s1 , m_stringArray[i].c_str() ) ;
 454 #else
 455             strcpy( (char *) s1 , m_stringArray[i].c_str() ) ;
 456             c2pstr( (char *) s1 ) ;
 457 #endif
 458             if ( EqualString( s1 , s2 , false , false ) )
 459                 return i ;
 460         }
 461    }
 462    return -1;
 463 }
 464
 465 void wxListBox::Clear()
 466 {
 467   Free();
 468   m_noItems = 0;
 469   m_stringArray.Empty() ;
 470   m_dataArray.Empty() ;
 471   MacClear() ;
 472 }
 473
 474 void wxListBox::SetSelection(int N, bool select)
 475 {
 476     wxCHECK_RET( N >= 0 && N < m_noItems,
 477                  "invalid index in wxListBox::SetSelection" );
 478       MacSetSelection( N , select ) ;
 479       GetSelections( m_selectionPreImage ) ;
 480 }
 481
 482 bool wxListBox::IsSelected(int N) const
 483 {
 484     wxCHECK_MSG( N >= 0 && N < m_noItems, FALSE,
 485                  "invalid index in wxListBox::Selected" );
 486
 487       return MacIsSelected( N ) ;
 488 }
 489
 490 void *wxListBox::DoGetItemClientData(int N) const
 491 {
 492     wxCHECK_MSG( N >= 0 && N < m_noItems, NULL,
 493                  wxT("invalid index in wxListBox::GetClientData"));
 494
 495     return (void *)m_dataArray[N];
 496 }
 497
 498 wxClientData *wxListBox::DoGetItemClientObject(int N) const
 499 {
 500     return (wxClientData *) DoGetItemClientData( N ) ;
 501 }
 502
 503 void wxListBox::DoSetItemClientData(int N, void *Client_data)
 504 {
 505     wxCHECK_RET( N >= 0 && N < m_noItems,
 506                  "invalid index in wxListBox::SetClientData" );
 507
 508 #if wxUSE_OWNER_DRAWN
 509     if ( m_windowStyle & wxLB_OWNERDRAW )
 510     {
 511         // client data must be pointer to wxOwnerDrawn, otherwise we would crash
 512         // in OnMeasure/OnDraw.
 513         wxFAIL_MSG(wxT("Can't use client data with owner-drawn listboxes"));
 514     }
 515 #endif // wxUSE_OWNER_DRAWN
 516     wxASSERT_MSG( m_dataArray.GetCount() >= N , "invalid client_data array" ) ;
 517
 518     if ( m_dataArray.GetCount() > N )
 519     {
 520         m_dataArray[N] = (char*) Client_data ;
 521     }
 522     else
 523     {
 524         m_dataArray.Add( (char*) Client_data ) ;
 525     }
 526 }
 527
 528 void wxListBox::DoSetItemClientObject(int n, wxClientData* clientData)
 529 {
 530     DoSetItemClientData(n, clientData);
 531 }
 532
 533 // Return number of selections and an array of selected integers
 534 int wxListBox::GetSelections(wxArrayInt& aSelections) const
 535 {
 536     return MacGetSelections( aSelections ) ;
 537 }
 538
 539 // Get single selection, for single choice list items
 540 int wxListBox::GetSelection() const
 541 {
 542     return MacGetSelection() ;
 543 }
 544
 545 // Find string for position
 546 wxString wxListBox::GetString(int N) const
 547 {
 548     if( wxApp::s_macDefaultEncodingIsPC )
 549     {
 550         return      wxMacMakePCStringFromMac( m_stringArray[N] ) ;
 551     }
 552     else
 553         return m_stringArray[N]  ;
 554 }
 555
 556 void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
 557 {
 558     wxCHECK_RET( pos >= 0 && pos <= m_noItems,
 559                  wxT("invalid index in wxListBox::InsertItems") );
 560
 561     int nItems = items.GetCount();
 562
 563     for ( int i = 0 ; i < nItems ; i++ )
 564     {
 565         m_stringArray.Insert( items[i] , pos + i ) ;
 566         m_dataArray.Insert( NULL , pos + i ) ;
 567         MacInsert( pos + i , items[i] ) ;
 568     }
 569
 570     m_noItems += nItems;
 571 }
 572
 573 void wxListBox::SetString(int N, const wxString& s)
 574 {
 575     wxString str ;
 576     if( wxApp::s_macDefaultEncodingIsPC )
 577     {
 578         str = wxMacMakeMacStringFromPC( s )  ;
 579     }
 580     else
 581         str = s ;
 582     m_stringArray[N] = str ;
 583     MacSet( N , s ) ;
 584 }
 585
 586 wxSize wxListBox::DoGetBestSize() const
 587 {
 588     return wxSize(100, 100);
 589 }
 590
 591 int wxListBox::GetCount() const
 592 {
 593     return m_noItems;
 594 }
 595
 596 void wxListBox::SetupColours()
 597 {
 598     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 599     SetForegroundColour(GetParent()->GetForegroundColour());
 600 }
 601
 602 void wxListBox::Refresh(bool eraseBack, const wxRect *rect)
 603 {
 604     wxControl::Refresh( eraseBack , rect ) ;
 605 //    MacRedrawControl() ;
 606 }
 607
 608 #if wxUSE_OWNER_DRAWN
 609
 610 class wxListBoxItem : public wxOwnerDrawn
 611 {
 612 public:
 613     wxListBoxItem(const wxString& str = "");
 614 };
 615
 616 wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE)
 617 {
 618     // no bitmaps/checkmarks
 619     SetMarginWidth(0);
 620 }
 621
 622 wxOwnerDrawn *wxListBox::CreateItem(size_t n)
 623 {
 624     return new wxListBoxItem();
 625 }
 626
 627 #endif  //USE_OWNER_DRAWN
 628
 629 // ============================================================================
 630 // list box control implementation
 631 // ============================================================================
 632
 633 void MacDrawStringCell(Rect *cellRect, Cell lCell, ListHandle theList, long refCon)
 634 {
 635     wxListBox*          list;
 636     // typecast our refCon
 637     list = (wxListBox*)refCon;
 638
 639     MoveTo(cellRect->left + 4 , cellRect->top + 10 );
 640     const wxString text = list->m_stringArray[lCell.v] ;
 641     ::TextFont( kFontIDMonaco ) ;
 642     ::TextSize( 9  );
 643     ::TextFace( 0 ) ;
 644     DrawText(text, 0 , text.Length());
 645
 646 }
 647
 648 void wxListBox::MacDelete( int N )
 649 {
 650     LDelRow( 1 , N , (ListHandle)m_macList) ;
 651     Refresh();
 652 }
 653
 654 void wxListBox::MacInsert( int n , const char * text)
 655 {
 656     Cell cell = { 0 , 0 } ;
 657     cell.v = n ;
 658     LAddRow( 1 , cell.v , (ListHandle)m_macList ) ;
 659 //    LSetCell(text, strlen(text), cell, m_macList);
 660     Refresh();
 661 }
 662
 663 void wxListBox::MacAppend( const char * text)
 664 {
 665     Cell cell = { 0 , 0 } ;
 666     cell.v = (**(ListHandle)m_macList).dataBounds.bottom ;
 667     LAddRow( 1 , cell.v , (ListHandle)m_macList ) ;
 668  //   LSetCell(text, strlen(text), cell, m_macList);
 669     Refresh();
 670 }
 671
 672 void wxListBox::MacClear()
 673 {
 674     LDelRow( (**(ListHandle)m_macList).dataBounds.bottom , 0 ,(ListHandle) m_macList ) ;
 675     Refresh();
 676 }
 677
 678 void wxListBox::MacSetSelection( int n , bool select )
 679 {
 680     Cell cell = { 0 , 0 } ;
 681     if ( ! (m_windowStyle & wxLB_MULTIPLE) )
 682     {
 683         if ( LGetSelect( true , &cell , (ListHandle)m_macList ) )
 684         {
 685             LSetSelect( false , cell , (ListHandle)m_macList ) ;
 686         }
 687     }
 688
 689     cell.v = n ;
 690     LSetSelect( select , cell , (ListHandle)m_macList ) ;
 691     LAutoScroll( (ListHandle)m_macList ) ;
 692     Refresh();
 693 }
 694
 695 bool wxListBox::MacIsSelected( int n ) const
 696 {
 697     Cell cell = { 0 , 0 } ;
 698     cell.v = n ;
 699     return LGetSelect( false , &cell , (ListHandle)m_macList ) ;
 700 }
 701
 702 void wxListBox::MacDestroy()
 703 {
 704 //    DisposeExtLDEFInfo( m_macList ) ;
 705 }
 706
 707 int wxListBox::MacGetSelection() const
 708 {
 709     Cell cell = { 0 , 0 } ;
 710     if ( LGetSelect( true , &cell , (ListHandle)m_macList ) )
 711         return cell.v ;
 712     else
 713         return -1 ;
 714 }
 715
 716 int wxListBox::MacGetSelections( wxArrayInt& aSelections ) const
 717 {
 718     int no_sel = 0 ;
 719
 720     aSelections.Empty();
 721
 722     Cell cell = { 0 , 0 } ;
 723     cell.v = 0 ;
 724
 725     while ( LGetSelect( true , &cell ,(ListHandle) m_macList ) )
 726     {
 727         aSelections.Add( cell.v ) ;
 728         no_sel++ ;
 729         cell.v++ ;
 730     }
 731     return no_sel ;
 732 }
 733
 734 void wxListBox::MacSet( int n , const char * text )
 735 {
 736     // our implementation does not store anything in the list
 737     // so we just have to redraw
 738     Cell cell = { 0 , 0 } ;
 739     cell.v = n ;
 740 //  LSetCell(text, strlen(text), cell, m_macList);
 741     Refresh();
 742 }
 743
 744 void wxListBox::MacScrollTo( int n )
 745 {
 746     // TODO implement scrolling
 747 }
 748
 749 void wxListBox::OnSize( const wxSizeEvent &event)
 750 {
 751     Point pt;
 752
 753 #if TARGET_CARBON
 754     GetListCellSize((ListHandle)m_macList, &pt);
 755 #else
 756     pt = (**(ListHandle)m_macList).cellSize ;
 757 #endif
 758     pt.h =  m_width - 15  ;
 759     LCellSize( pt , (ListHandle)m_macList ) ;
 760 }
 761
 762 void wxListBox::MacHandleControlClick( WXWidget control , wxInt16 controlpart )
 763 {
 764     Boolean wasDoubleClick = false ;
 765     long    result ;
 766
 767     ::GetControlData( (ControlHandle) m_macControl , kControlNoPart , kControlListBoxDoubleClickTag , sizeof( wasDoubleClick ) , (char*) &wasDoubleClick  , &result ) ;
 768     if ( !wasDoubleClick )
 769     {
 770         MacDoClick() ;
 771     }
 772     else
 773     {
 774         MacDoDoubleClick() ;
 775     }
 776 }
 777
 778 void wxListBox::MacSetRedraw( bool doDraw )
 779 {
 780     LSetDrawingMode( doDraw , (ListHandle)m_macList ) ;
 781
 782 }
 783
 784 void wxListBox::MacDoClick()
 785 {
 786     wxArrayInt aSelections;
 787     int n, count = GetSelections(aSelections);
 788
 789     if ( count == m_selectionPreImage.GetCount() )
 790     {
 791         bool hasChanged = false ;
 792         for ( int i = 0 ; i < count ; ++i )
 793         {
 794             if ( aSelections[i] != m_selectionPreImage[i] )
 795             {
 796                 hasChanged = true ;
 797                 break ;
 798             }
 799         }
 800         if ( !hasChanged )
 801         {
 802             return ;
 803         }
 804     }
 805
 806     m_selectionPreImage = aSelections;
 807
 808     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId);
 809     event.SetEventObject( this );
 810
 811     if ( count > 0 )
 812     {
 813         n = aSelections[0];
 814         if ( HasClientObjectData() )
 815             event.SetClientObject( GetClientObject(n) );
 816         else if ( HasClientUntypedData() )
 817             event.SetClientData( GetClientData(n) );
 818         event.SetString( GetString(n) );
 819     }
 820     else
 821     {
 822          n = -1;
 823     }
 824
 825     event.m_commandInt = n;
 826
 827     GetEventHandler()->ProcessEvent(event);
 828 }
 829
 830 void wxListBox::MacDoDoubleClick()
 831 {
 832     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId);
 833     event.SetEventObject( this );
 834     GetEventHandler()->ProcessEvent(event) ;
 835 }