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     FontInfo fontInfo;
  68     GrafPtr savePort;
  69     GrafPtr grafPtr;
  70     RgnHandle savedClipRegion;
  71     SInt32 savedPenMode;
  72     wxListBox*          list;
  73   GetPort(&savePort);
  74   SetPort((**listHandle).port);
  75   grafPtr = (**listHandle).port ;
  76     // typecast our refCon
  77     list = (wxListBox*) GetControlReference( (ControlHandle) GetListRefCon(listHandle) );
  78
  79     //  Calculate the cell rect.
  80
  81     switch( message ) {
  82         case lInitMsg:
  83             break;
  84
  85         case lCloseMsg:
  86             break;
  87
  88         case lDrawMsg:
  89         {
  90             const wxString text = list->m_stringArray[cell.v] ;
  91
  92             //  Save the current clip region, and set the clip region to the area we are about
  93             //  to draw.
  94
  95             savedClipRegion = NewRgn();
  96             GetClip( savedClipRegion );
  97
  98             ClipRect( drawRect );
  99             EraseRect( drawRect );
 100
 101         MoveTo(drawRect->left + 4 , drawRect->top + 10 );
 102         ::TextFont( kFontIDMonaco ) ;
 103         ::TextSize( 9  );
 104         ::TextFace( 0 ) ;
 105
 106         DrawText(text, 0 , text.Length());
 107             //  If the cell is hilited, do the hilite now. Paint the cell contents with the
 108             //  appropriate QuickDraw transform mode.
 109
 110             if( isSelected ) {
 111                 savedPenMode = GetPortPenMode( (CGrafPtr) grafPtr );
 112                 SetPortPenMode( (CGrafPtr)grafPtr, hilitetransfermode );
 113                 PaintRect( drawRect );
 114                 SetPortPenMode( (CGrafPtr)grafPtr, savedPenMode );
 115             }
 116
 117             //  Restore the saved clip region.
 118
 119             SetClip( savedClipRegion );
 120             DisposeRgn( savedClipRegion );
 121             }
 122             break;
 123         case lHiliteMsg:
 124
 125             //  Hilite or unhilite the cell. Paint the cell contents with the
 126             //  appropriate QuickDraw transform mode.
 127
 128             GetPort( &grafPtr );
 129             savedPenMode = GetPortPenMode( (CGrafPtr)grafPtr );
 130             SetPortPenMode( (CGrafPtr)grafPtr, hilitetransfermode );
 131             PaintRect( drawRect );
 132             SetPortPenMode( (CGrafPtr)grafPtr, savedPenMode );
 133             break;
 134         default :
 135           break ;
 136     }
 137     SetPort(savePort);
 138 }
 139
 140 extern "C" void MacDrawStringCell(Rect *cellRect, Cell lCell, ListHandle theList, long refCon) ;
 141 const short kwxMacListWithVerticalScrollbar = 128 ;
 142 const short kwxMacListItemHeight = 14 ;
 143
 144 // ============================================================================
 145 // list box control implementation
 146 // ============================================================================
 147
 148 // Listbox item
 149 wxListBox::wxListBox()
 150 {
 151   m_noItems = 0;
 152   m_selected = 0;
 153   m_macList = NULL ;
 154 }
 155
 156 static ListDefUPP macListDefUPP = NULL ;
 157
 158 bool wxListBox::Create(wxWindow *parent, wxWindowID id,
 159                        const wxPoint& pos,
 160                        const wxSize& size,
 161                        int n, const wxString choices[],
 162                        long style,
 163                        const wxValidator& validator,
 164                        const wxString& name)
 165 {
 166     m_noItems = 0 ; // this will be increased by our append command
 167     m_selected = 0;
 168
 169     Rect bounds ;
 170     Str255 title ;
 171
 172     MacPreControlCreate( parent , id ,  "" , pos , size ,style, validator , name , &bounds , title ) ;
 173
 174     ListDefSpec listDef;
 175     listDef.defType = kListDefUserProcType;
 176     if ( macListDefUPP == NULL )
 177     {
 178       macListDefUPP = NewListDefUPP( wxMacListDefinition );
 179     }
 180         listDef.u.userProc = macListDefUPP ;
 181
 182 #if TARGET_CARBON
 183     Size asize;
 184
 185
 186     CreateListBoxControl( MAC_WXHWND(parent->MacGetRootWindow()), &bounds, false, 0, 1, false, true,
 187                           kwxMacListItemHeight, kwxMacListItemHeight, false, &listDef, (ControlRef *)&m_macControl );
 188
 189     GetControlData( (ControlHandle) m_macControl, kControlNoPart, kControlListBoxListHandleTag,
 190                    sizeof(ListHandle), (Ptr) &m_macList, &asize);
 191
 192     SetControlReference( (ControlHandle) m_macControl, (long) this);
 193     SetControlVisibility( (ControlHandle) m_macControl, false, false);
 194
 195 #else
 196
 197     long    result ;
 198
 199     m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false ,
 200                   kwxMacListWithVerticalScrollbar , 0 , 0,
 201                   kControlListBoxProc , (long) this ) ;
 202     ::GetControlData( (ControlHandle) m_macControl , kControlNoPart , kControlListBoxListHandleTag ,
 203                sizeof( ListHandle ) , (char*) &m_macList  , &result ) ;
 204
 205     HLock( (Handle) m_macList ) ;
 206     ldefHandle ldef ;
 207     ldef = (ldefHandle) NewHandle( sizeof(ldefRec) ) ;
 208     if (  (**(ListHandle)m_macList).listDefProc != NULL )
 209     {
 210       (**ldef).instruction = 0x4EF9;  /* JMP instruction */
 211       (**ldef).function = (void(*)()) listDef.u.userProc;
 212       (**(ListHandle)m_macList).listDefProc = (Handle) ldef ;
 213     }
 214
 215     Point pt = (**(ListHandle)m_macList).cellSize ;
 216     pt.v = kwxMacListItemHeight ;
 217     LCellSize( pt , (ListHandle)m_macList ) ;
 218     LAddColumn( 1 , 0 , (ListHandle)m_macList ) ;
 219 #endif
 220     OptionBits  options = 0;
 221     if ( style & wxLB_MULTIPLE )
 222     {
 223         options += lNoExtend ;
 224     }
 225     else if ( style & wxLB_EXTENDED )
 226     {
 227         options += lExtendDrag ;
 228     }
 229     else
 230     {
 231         options = lOnlyOne ;
 232     }
 233     SetListSelectionFlags((ListHandle)m_macList, options);
 234
 235     MacPostControlCreate() ;
 236
 237     for ( int i = 0 ; i < n ; i++ )
 238     {
 239         Append( choices[i] ) ;
 240     }
 241
 242     LSetDrawingMode( true , (ListHandle)m_macList ) ;
 243
 244     return TRUE;
 245 }
 246
 247 wxListBox::~wxListBox()
 248 {
 249     Free() ;
 250     if ( m_macList )
 251     {
 252 #if !TARGET_CARBON
 253       DisposeHandle( (**(ListHandle)m_macList).listDefProc ) ;
 254       (**(ListHandle)m_macList).listDefProc = NULL ;
 255 #endif
 256         m_macList = NULL ;
 257     }
 258 }
 259
 260 void wxListBox::Free()
 261 {
 262 #if wxUSE_OWNER_DRAWN
 263     if ( m_windowStyle & wxLB_OWNERDRAW )
 264     {
 265         size_t uiCount = m_aItems.Count();
 266         while ( uiCount-- != 0 ) {
 267             delete m_aItems[uiCount];
 268         }
 269
 270         m_aItems.Clear();
 271     }
 272     else
 273 #endif // wxUSE_OWNER_DRAWN
 274     if ( HasClientObjectData() )
 275     {
 276         for ( size_t n = 0; n < (size_t)m_noItems; n++ )
 277         {
 278             delete GetClientObject(n);
 279         }
 280     }
 281 }
 282
 283 void  wxListBox::DoSetSize(int x, int y,
 284             int width, int height,
 285             int sizeFlags )
 286 {
 287     wxControl::DoSetSize( x , y , width , height , sizeFlags ) ;
 288 #if TARGET_CARBON
 289     Rect bounds ;
 290     GetControlBounds( (ControlHandle) m_macControl , &bounds ) ;
 291     ControlRef control = GetListVerticalScrollBar( (ListHandle)m_macList ) ;
 292     if ( control )
 293     {
 294         Rect scrollbounds ;
 295         GetControlBounds( control , &scrollbounds ) ;
 296         if( scrollbounds.right != bounds.right + 1 )
 297         {
 298             UMAMoveControl( control , bounds.right - (scrollbounds.right - scrollbounds.left) + 1 ,
 299                 scrollbounds.top ) ;
 300         }
 301     }
 302 #endif
 303 }
 304 void wxListBox::DoSetFirstItem(int N)
 305 {
 306     MacScrollTo( N ) ;
 307 }
 308
 309 void wxListBox::Delete(int N)
 310 {
 311     wxCHECK_RET( N >= 0 && N < m_noItems,
 312                  wxT("invalid index in wxListBox::Delete") );
 313
 314 #if wxUSE_OWNER_DRAWN
 315     delete m_aItems[N];
 316     m_aItems.RemoveAt(N);
 317 #else // !wxUSE_OWNER_DRAWN
 318     if ( HasClientObjectData() )
 319     {
 320         delete GetClientObject(N);
 321     }
 322 #endif // wxUSE_OWNER_DRAWN/!wxUSE_OWNER_DRAWN
 323     m_stringArray.Remove( N ) ;
 324     m_dataArray.RemoveAt( N ) ;
 325     m_noItems --;
 326
 327     MacDelete( N ) ;
 328 }
 329
 330 int wxListBox::DoAppend(const wxString& item)
 331 {
 332     int index = m_noItems ;
 333     if( wxApp::s_macDefaultEncodingIsPC )
 334     {
 335         m_stringArray.Add( wxMacMakeMacStringFromPC( item ) ) ;
 336         m_dataArray.Add( NULL );
 337     }
 338     else {
 339         m_stringArray.Add( item ) ;
 340         m_dataArray.Add( NULL );
 341     }
 342     m_noItems ++;
 343     DoSetItemClientData( index , NULL ) ;
 344     MacAppend( item ) ;
 345
 346     return index ;
 347 }
 348
 349 void wxListBox::DoSetItems(const wxArrayString& choices, void** clientData)
 350 {
 351   MacSetRedraw( false ) ;
 352   Clear() ;
 353   int n = choices.GetCount();
 354
 355   for( int i = 0 ; i < n ; ++i )
 356   {
 357     if ( clientData )
 358     {
 359 #if wxUSE_OWNER_DRAWN
 360             wxASSERT_MSG(clientData[i] == NULL,
 361                          wxT("Can't use client data with owner-drawn listboxes"));
 362 #else // !wxUSE_OWNER_DRAWN
 363         Append( choices[i] , clientData[i] ) ;
 364  #endif
 365     }
 366     else
 367         Append( choices[i] ) ;
 368   }
 369
 370 #if wxUSE_OWNER_DRAWN
 371     if ( m_windowStyle & wxLB_OWNERDRAW ) {
 372         // first delete old items
 373         size_t ui = m_aItems.Count();
 374         while ( ui-- != 0 ) {
 375             delete m_aItems[ui];
 376         }
 377         m_aItems.Empty();
 378
 379         // then create new ones
 380         for ( ui = 0; ui < (size_t)m_noItems; ui++ ) {
 381             wxOwnerDrawn *pNewItem = CreateItem(ui);
 382             pNewItem->SetName(choices[ui]);
 383             m_aItems.Add(pNewItem);
 384         }
 385     }
 386 #endif // wxUSE_OWNER_DRAWN
 387   MacSetRedraw( true ) ;
 388 }
 389
 390 bool wxListBox::HasMultipleSelection() const
 391 {
 392     return (m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED);
 393 }
 394
 395 int wxListBox::FindString(const wxString& st) const
 396 {
 397     wxString s ;
 398     if( wxApp::s_macDefaultEncodingIsPC )
 399     {
 400         s = wxMacMakeMacStringFromPC( st ) ;
 401     }
 402     else
 403         s = st ;
 404
 405     if ( s.Right(1) == "*" )
 406     {
 407         wxString search = s.Left( s.Length() - 1 ) ;
 408         int len = search.Length() ;
 409         Str255 s1 , s2 ;
 410
 411 #if TARGET_CARBON
 412         c2pstrcpy( (StringPtr) s2 , search.c_str() ) ;
 413 #else
 414         strcpy( (char *) s2 , search.c_str() ) ;
 415         c2pstr( (char *) s2 ) ;
 416 #endif
 417
 418         for ( int i = 0 ; i < m_noItems ; ++ i )
 419         {
 420 #if TARGET_CARBON
 421             c2pstrcpy( (StringPtr) s1 , m_stringArray[i].Left( len ).c_str() ) ;
 422 #else
 423             strcpy( (char *) s1 , m_stringArray[i].Left( len ).c_str() ) ;
 424             c2pstr( (char *) s1 ) ;
 425 #endif
 426             if ( EqualString( s1 , s2 , false , false ) )
 427                 return i ;
 428         }
 429         if ( s.Left(1) == "*" && s.Length() > 1 )
 430         {
 431             s.MakeLower() ;
 432             for ( int i = 0 ; i < m_noItems ; ++i )
 433             {
 434                 if ( GetString(i).Lower().Matches(s) )
 435                     return i ;
 436             }
 437         }
 438
 439     }
 440     else
 441     {
 442         Str255 s1 , s2 ;
 443
 444 #if TARGET_CARBON
 445         c2pstrcpy( (StringPtr) s2 , s.c_str() ) ;
 446 #else
 447         strcpy( (char *) s2 , s.c_str() ) ;
 448         c2pstr( (char *) s2 ) ;
 449 #endif
 450
 451         for ( int i = 0 ; i < m_noItems ; ++ i )
 452         {
 453 #if TARGET_CARBON
 454             c2pstrcpy( (StringPtr) s1 , m_stringArray[i].c_str() ) ;
 455 #else
 456             strcpy( (char *) s1 , m_stringArray[i].c_str() ) ;
 457             c2pstr( (char *) s1 ) ;
 458 #endif
 459             if ( EqualString( s1 , s2 , false , false ) )
 460                 return i ;
 461         }
 462    }
 463    return -1;
 464 }
 465
 466 void wxListBox::Clear()
 467 {
 468   Free();
 469   m_noItems = 0;
 470   m_stringArray.Empty() ;
 471   m_dataArray.Empty() ;
 472   MacClear() ;
 473 }
 474
 475 void wxListBox::SetSelection(int N, bool select)
 476 {
 477     wxCHECK_RET( N >= 0 && N < m_noItems,
 478                  "invalid index in wxListBox::SetSelection" );
 479       MacSetSelection( N , select ) ;
 480       GetSelections( m_selectionPreImage ) ;
 481 }
 482
 483 bool wxListBox::IsSelected(int N) const
 484 {
 485     wxCHECK_MSG( N >= 0 && N < m_noItems, FALSE,
 486                  "invalid index in wxListBox::Selected" );
 487
 488       return MacIsSelected( N ) ;
 489 }
 490
 491 void *wxListBox::DoGetItemClientData(int N) const
 492 {
 493     wxCHECK_MSG( N >= 0 && N < m_noItems, NULL,
 494                  wxT("invalid index in wxListBox::GetClientData"));
 495
 496     return (void *)m_dataArray[N];
 497 }
 498
 499 wxClientData *wxListBox::DoGetItemClientObject(int N) const
 500 {
 501     return (wxClientData *) DoGetItemClientData( N ) ;
 502 }
 503
 504 void wxListBox::DoSetItemClientData(int N, void *Client_data)
 505 {
 506     wxCHECK_RET( N >= 0 && N < m_noItems,
 507                  "invalid index in wxListBox::SetClientData" );
 508
 509 #if wxUSE_OWNER_DRAWN
 510     if ( m_windowStyle & wxLB_OWNERDRAW )
 511     {
 512         // client data must be pointer to wxOwnerDrawn, otherwise we would crash
 513         // in OnMeasure/OnDraw.
 514         wxFAIL_MSG(wxT("Can't use client data with owner-drawn listboxes"));
 515     }
 516 #endif // wxUSE_OWNER_DRAWN
 517     wxASSERT_MSG( m_dataArray.GetCount() >= N , "invalid client_data array" ) ;
 518
 519     if ( m_dataArray.GetCount() > N )
 520     {
 521         m_dataArray[N] = (char*) Client_data ;
 522     }
 523     else
 524     {
 525         m_dataArray.Add( (char*) Client_data ) ;
 526     }
 527 }
 528
 529 void wxListBox::DoSetItemClientObject(int n, wxClientData* clientData)
 530 {
 531     DoSetItemClientData(n, clientData);
 532 }
 533
 534 // Return number of selections and an array of selected integers
 535 int wxListBox::GetSelections(wxArrayInt& aSelections) const
 536 {
 537     return MacGetSelections( aSelections ) ;
 538 }
 539
 540 // Get single selection, for single choice list items
 541 int wxListBox::GetSelection() const
 542 {
 543     return MacGetSelection() ;
 544 }
 545
 546 // Find string for position
 547 wxString wxListBox::GetString(int N) const
 548 {
 549     if( wxApp::s_macDefaultEncodingIsPC )
 550     {
 551         return      wxMacMakePCStringFromMac( m_stringArray[N] ) ;
 552     }
 553     else
 554         return m_stringArray[N]  ;
 555 }
 556
 557 void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
 558 {
 559     wxCHECK_RET( pos >= 0 && pos <= m_noItems,
 560                  wxT("invalid index in wxListBox::InsertItems") );
 561
 562     int nItems = items.GetCount();
 563
 564     for ( int i = 0 ; i < nItems ; i++ )
 565     {
 566         m_stringArray.Insert( items[i] , pos + i ) ;
 567         m_dataArray.Insert( NULL , pos + i ) ;
 568         MacInsert( pos + i , items[i] ) ;
 569     }
 570
 571     m_noItems += nItems;
 572 }
 573
 574 void wxListBox::SetString(int N, const wxString& s)
 575 {
 576     wxString str ;
 577     if( wxApp::s_macDefaultEncodingIsPC )
 578     {
 579         str = wxMacMakeMacStringFromPC( s )  ;
 580     }
 581     else
 582         str = s ;
 583     m_stringArray[N] = str ;
 584     MacSet( N , s ) ;
 585 }
 586
 587 wxSize wxListBox::DoGetBestSize() const
 588 {
 589     return wxSize(100, 100);
 590 }
 591
 592 int wxListBox::GetCount() const
 593 {
 594     return m_noItems;
 595 }
 596
 597 void wxListBox::SetupColours()
 598 {
 599     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 600     SetForegroundColour(GetParent()->GetForegroundColour());
 601 }
 602
 603 void wxListBox::Refresh(bool eraseBack, const wxRect *rect)
 604 {
 605     wxControl::Refresh( eraseBack , rect ) ;
 606 //    MacRedrawControl() ;
 607 }
 608
 609 #if wxUSE_OWNER_DRAWN
 610
 611 class wxListBoxItem : public wxOwnerDrawn
 612 {
 613 public:
 614     wxListBoxItem(const wxString& str = "");
 615 };
 616
 617 wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE)
 618 {
 619     // no bitmaps/checkmarks
 620     SetMarginWidth(0);
 621 }
 622
 623 wxOwnerDrawn *wxListBox::CreateItem(size_t n)
 624 {
 625     return new wxListBoxItem();
 626 }
 627
 628 #endif  //USE_OWNER_DRAWN
 629
 630 // ============================================================================
 631 // list box control implementation
 632 // ============================================================================
 633
 634 void MacDrawStringCell(Rect *cellRect, Cell lCell, ListHandle theList, long refCon)
 635 {
 636     wxListBox*          list;
 637     // typecast our refCon
 638     list = (wxListBox*)refCon;
 639
 640     MoveTo(cellRect->left + 4 , cellRect->top + 10 );
 641     const wxString text = list->m_stringArray[lCell.v] ;
 642     ::TextFont( kFontIDMonaco ) ;
 643     ::TextSize( 9  );
 644     ::TextFace( 0 ) ;
 645     DrawText(text, 0 , text.Length());
 646
 647 }
 648
 649 void wxListBox::MacDelete( int N )
 650 {
 651     LDelRow( 1 , N , (ListHandle)m_macList) ;
 652     Refresh();
 653 }
 654
 655 void wxListBox::MacInsert( int n , const char * text)
 656 {
 657     Cell cell = { 0 , 0 } ;
 658     cell.v = n ;
 659     LAddRow( 1 , cell.v , (ListHandle)m_macList ) ;
 660 //    LSetCell(text, strlen(text), cell, m_macList);
 661     Refresh();
 662 }
 663
 664 void wxListBox::MacAppend( const char * text)
 665 {
 666     Cell cell = { 0 , 0 } ;
 667     cell.v = (**(ListHandle)m_macList).dataBounds.bottom ;
 668     LAddRow( 1 , cell.v , (ListHandle)m_macList ) ;
 669  //   LSetCell(text, strlen(text), cell, m_macList);
 670     Refresh();
 671 }
 672
 673 void wxListBox::MacClear()
 674 {
 675     LDelRow( (**(ListHandle)m_macList).dataBounds.bottom , 0 ,(ListHandle) m_macList ) ;
 676     Refresh();
 677 }
 678
 679 void wxListBox::MacSetSelection( int n , bool select )
 680 {
 681     Cell cell = { 0 , 0 } ;
 682     if ( ! (m_windowStyle & wxLB_MULTIPLE) )
 683     {
 684     if ( LGetSelect( true , &cell , (ListHandle)m_macList ) )
 685     {
 686         LSetSelect( false , cell , (ListHandle)m_macList ) ;
 687     }
 688     }
 689
 690     cell.v = n ;
 691     LSetSelect( select , cell , (ListHandle)m_macList ) ;
 692     LAutoScroll( (ListHandle)m_macList ) ;
 693     Refresh();
 694 }
 695
 696 bool wxListBox::MacIsSelected( int n ) const
 697 {
 698     Cell cell = { 0 , 0 } ;
 699     cell.v = n ;
 700     return LGetSelect( false , &cell , (ListHandle)m_macList ) ;
 701 }
 702
 703 void wxListBox::MacDestroy()
 704 {
 705 //    DisposeExtLDEFInfo( m_macList ) ;
 706 }
 707
 708 int wxListBox::MacGetSelection() const
 709 {
 710     Cell cell = { 0 , 0 } ;
 711     if ( LGetSelect( true , &cell , (ListHandle)m_macList ) )
 712         return cell.v ;
 713     else
 714         return -1 ;
 715 }
 716
 717 int wxListBox::MacGetSelections( wxArrayInt& aSelections ) const
 718 {
 719     int no_sel = 0 ;
 720
 721     aSelections.Empty();
 722
 723     Cell cell = { 0 , 0 } ;
 724     cell.v = 0 ;
 725
 726     while ( LGetSelect( true , &cell ,(ListHandle) m_macList ) )
 727     {
 728         aSelections.Add( cell.v ) ;
 729         no_sel++ ;
 730         cell.v++ ;
 731     }
 732     return no_sel ;
 733 }
 734
 735 void wxListBox::MacSet( int n , const char * text )
 736 {
 737     // our implementation does not store anything in the list
 738     // so we just have to redraw
 739     Cell cell = { 0 , 0 } ;
 740     cell.v = n ;
 741 //  LSetCell(text, strlen(text), cell, m_macList);
 742     Refresh();
 743 }
 744
 745 void wxListBox::MacScrollTo( int n )
 746 {
 747     // TODO implement scrolling
 748 }
 749
 750 void wxListBox::OnSize( const wxSizeEvent &event)
 751 {
 752     Point pt;
 753
 754 #if TARGET_CARBON
 755     GetListCellSize((ListHandle)m_macList, &pt);
 756 #else
 757     pt = (**(ListHandle)m_macList).cellSize ;
 758 #endif
 759     pt.h =  m_width - 15  ;
 760     LCellSize( pt , (ListHandle)m_macList ) ;
 761 }
 762
 763 void wxListBox::MacHandleControlClick( WXWidget control , wxInt16 controlpart )
 764 {
 765     Boolean wasDoubleClick = false ;
 766     long    result ;
 767
 768     ::GetControlData( (ControlHandle) m_macControl , kControlNoPart , kControlListBoxDoubleClickTag , sizeof( wasDoubleClick ) , (char*) &wasDoubleClick  , &result ) ;
 769     if ( !wasDoubleClick )
 770     {
 771         MacDoClick() ;
 772     }
 773     else
 774     {
 775         MacDoDoubleClick() ;
 776     }
 777 }
 778
 779 void wxListBox::MacSetRedraw( bool doDraw )
 780 {
 781     LSetDrawingMode( doDraw , (ListHandle)m_macList ) ;
 782
 783 }
 784
 785 void wxListBox::MacDoClick()
 786 {
 787     wxArrayInt aSelections;
 788     int n, count = GetSelections(aSelections);
 789
 790     if ( count == m_selectionPreImage.GetCount() )
 791     {
 792         bool hasChanged = false ;
 793         for ( int i = 0 ; i < count ; ++i )
 794         {
 795             if ( aSelections[i] != m_selectionPreImage[i] )
 796             {
 797                 hasChanged = true ;
 798                 break ;
 799             }
 800         }
 801         if ( !hasChanged )
 802         {
 803             return ;
 804         }
 805     }
 806
 807     m_selectionPreImage = aSelections;
 808
 809     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId);
 810     event.SetEventObject( this );
 811
 812     if ( count > 0 )
 813     {
 814         n = aSelections[0];
 815         if ( HasClientObjectData() )
 816             event.SetClientObject( GetClientObject(n) );
 817         else if ( HasClientUntypedData() )
 818             event.SetClientData( GetClientData(n) );
 819         event.SetString( GetString(n) );
 820     }
 821     else
 822     {
 823          n = -1;
 824     }
 825
 826     event.m_commandInt = n;
 827
 828     GetEventHandler()->ProcessEvent(event);
 829 }
 830
 831 void wxListBox::MacDoDoubleClick()
 832 {
 833     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId);
 834     event.SetEventObject( this );
 835     GetEventHandler()->ProcessEvent(event) ;
 836 }