src/mac/carbon/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/dynarray.h"
  20 #include "wx/log.h"
  21
  22 #include "wx/utils.h"
  23 #ifndef __DARWIN__
  24 //  #include "extldef.h"
  25 #endif
  26
  27 #if !USE_SHARED_LIBRARY
  28   IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
  29
  30 BEGIN_EVENT_TABLE(wxListBox, wxControl)
  31     EVT_SIZE( wxListBox::OnSize )
  32 END_EVENT_TABLE()
  33 #endif
  34
  35 #include "wx/mac/uma.h"
  36
  37
  38 typedef struct {
  39  unsigned short instruction;
  40  void (*function)();
  41 } ldefRec, *ldefPtr, **ldefHandle;
  42
  43 extern "C"
  44 {
  45 static pascal void wxMacListDefinition( short message, Boolean isSelected, Rect *drawRect,
  46                                      Cell cell, short dataOffset, short dataLength,
  47                                      ListHandle listHandle ) ;
  48 }
  49
  50 static pascal void wxMacListDefinition( short message, Boolean isSelected, Rect *drawRect,
  51                                      Cell cell, short dataOffset, short dataLength,
  52                                      ListHandle listHandle )
  53 {
  54     FontInfo fontInfo;
  55     GrafPtr savePort;
  56     GrafPtr grafPtr;
  57     RgnHandle savedClipRegion;
  58     SInt32 savedPenMode;
  59     wxListBox*          list;
  60   GetPort(&savePort);
  61   SetPort((**listHandle).port);
  62   grafPtr = (**listHandle).port ;
  63     // typecast our refCon
  64     list = (wxListBox*) GetControlReference( (ControlHandle) GetListRefCon(listHandle) );
  65
  66     //  Calculate the cell rect.
  67
  68     switch( message ) {
  69         case lInitMsg:
  70             break;
  71
  72         case lCloseMsg:
  73             break;
  74
  75         case lDrawMsg:
  76         {
  77             const wxString text = list->m_stringArray[cell.v] ;
  78
  79             //  Save the current clip region, and set the clip region to the area we are about
  80             //  to draw.
  81
  82             savedClipRegion = NewRgn();
  83             GetClip( savedClipRegion );
  84
  85             ClipRect( drawRect );
  86             EraseRect( drawRect );
  87
  88         MoveTo(drawRect->left + 4 , drawRect->top + 10 );
  89         ::TextFont( kFontIDMonaco ) ;
  90         ::TextSize( 9  );
  91         ::TextFace( 0 ) ;
  92
  93         DrawText(text, 0 , text.Length());
  94             //  If the cell is hilited, do the hilite now. Paint the cell contents with the
  95             //  appropriate QuickDraw transform mode.
  96
  97             if( isSelected ) {
  98                 savedPenMode = GetPortPenMode( grafPtr );
  99                 SetPortPenMode( grafPtr, hilitetransfermode );
 100                 PaintRect( drawRect );
 101                 SetPortPenMode( grafPtr, savedPenMode );
 102             }
 103
 104             //  Restore the saved clip region.
 105
 106             SetClip( savedClipRegion );
 107             DisposeRgn( savedClipRegion );
 108             }
 109             break;
 110         case lHiliteMsg:
 111
 112             //  Hilite or unhilite the cell. Paint the cell contents with the
 113             //  appropriate QuickDraw transform mode.
 114
 115             GetPort( &grafPtr );
 116             savedPenMode = GetPortPenMode( grafPtr );
 117             SetPortPenMode( grafPtr, hilitetransfermode );
 118             PaintRect( drawRect );
 119             SetPortPenMode( grafPtr, savedPenMode );
 120             break;
 121         default :
 122           break ;
 123     }
 124     SetPort(savePort);
 125 }
 126
 127 extern "C" void MacDrawStringCell(Rect *cellRect, Cell lCell, ListHandle theList, long refCon) ;
 128 const short kwxMacListWithVerticalScrollbar = 128 ;
 129
 130 // ============================================================================
 131 // list box control implementation
 132 // ============================================================================
 133
 134 // Listbox item
 135 wxListBox::wxListBox()
 136 {
 137   m_noItems = 0;
 138   m_selected = 0;
 139   m_macList = NULL ;
 140 }
 141
 142 static ListDefUPP macListDefUPP = NULL ;
 143
 144 bool wxListBox::Create(wxWindow *parent, wxWindowID id,
 145                        const wxPoint& pos,
 146                        const wxSize& size,
 147                        int n, const wxString choices[],
 148                        long style,
 149                        const wxValidator& validator,
 150                        const wxString& name)
 151 {
 152     m_noItems = 0 ; // this will be increased by our append command
 153     m_selected = 0;
 154
 155     Rect bounds ;
 156     Str255 title ;
 157
 158     MacPreControlCreate( parent , id ,  "" , pos , size ,style, validator , name , &bounds , title ) ;
 159
 160     ListDefSpec listDef;
 161     listDef.defType = kListDefUserProcType;
 162     if ( macListDefUPP == NULL )
 163     {
 164       macListDefUPP = NewListDefUPP( wxMacListDefinition );
 165     }
 166         listDef.u.userProc = macListDefUPP ;
 167 #if TARGET_CARBON
 168     Size asize;
 169
 170
 171     CreateListBoxControl( parent->MacGetRootWindow(), &bounds, false, 0, 1, false, true,
 172                           14, 14, false, &listDef, &m_macControl );
 173
 174     GetControlData(m_macControl, kControlNoPart, kControlListBoxListHandleTag,
 175                    sizeof(ListHandle), (Ptr) &m_macList, &asize);
 176
 177     SetControlReference(m_macControl, (long) this);
 178     SetControlVisibility(m_macControl, false, false);
 179
 180 #else
 181     long    result ;
 182
 183     m_macControl = ::NewControl( parent->MacGetRootWindow() , &bounds , title , false ,
 184                   kwxMacListWithVerticalScrollbar , 0 , 0,
 185                   kControlListBoxProc , (long) this ) ;
 186     ::GetControlData( m_macControl , kControlNoPart , kControlListBoxListHandleTag ,
 187                sizeof( ListHandle ) , (char*) &m_macList  , &result ) ;
 188
 189     HLock( (Handle) m_macList ) ;
 190     ldefHandle ldef ;
 191     ldef = (ldefHandle) NewHandle( sizeof(ldefRec) ) ;
 192     if (  (**m_macList).listDefProc != NULL )
 193     {
 194       (**ldef).instruction = 0x4EF9;  /* JMP instruction */
 195       (**ldef).function = (void(*)()) listDef.u.userProc;
 196       (**m_macList).listDefProc = (Handle) ldef ;
 197     }
 198
 199     Point pt = (**m_macList).cellSize ;
 200     pt.v = 14 ;
 201     LCellSize( pt , m_macList ) ;
 202
 203     LAddColumn( 1 , 0 , m_macList ) ;
 204 #endif
 205     OptionBits  options = 0;
 206     if ( style & wxLB_MULTIPLE )
 207     {
 208         options += lNoExtend ;
 209     }
 210     else if ( style & wxLB_EXTENDED )
 211     {
 212         options += lExtendDrag ;
 213     }
 214     else
 215     {
 216         options = lOnlyOne ;
 217     }
 218     SetListSelectionFlags(m_macList, options);
 219
 220     MacPostControlCreate() ;
 221
 222     for ( int i = 0 ; i < n ; i++ )
 223     {
 224         Append( choices[i] ) ;
 225     }
 226
 227     LSetDrawingMode( true , m_macList ) ;
 228
 229     return TRUE;
 230 }
 231
 232 wxListBox::~wxListBox()
 233 {
 234     Free() ;
 235     if ( m_macList )
 236     {
 237 #if !TARGET_CARBON
 238       DisposeHandle( (**m_macList).listDefProc ) ;
 239       (**m_macList).listDefProc = NULL ;
 240 #endif
 241         m_macList = NULL ;
 242     }
 243 }
 244
 245 void wxListBox::Free()
 246 {
 247 #if wxUSE_OWNER_DRAWN
 248     if ( m_windowStyle & wxLB_OWNERDRAW )
 249     {
 250         size_t uiCount = m_aItems.Count();
 251         while ( uiCount-- != 0 ) {
 252             delete m_aItems[uiCount];
 253         }
 254
 255         m_aItems.Clear();
 256     }
 257     else
 258 #endif // wxUSE_OWNER_DRAWN
 259     if ( HasClientObjectData() )
 260     {
 261         for ( size_t n = 0; n < (size_t)m_noItems; n++ )
 262         {
 263             delete GetClientObject(n);
 264         }
 265     }
 266 }
 267
 268 void  wxListBox::DoSetSize(int x, int y,
 269             int width, int height,
 270             int sizeFlags )
 271 {
 272     wxControl::DoSetSize( x , y , width , height , sizeFlags ) ;
 273 #if TARGET_CARBON
 274     Rect bounds ;
 275     GetControlBounds( m_macControl , &bounds ) ;
 276     ControlRef control = GetListVerticalScrollBar( m_macList ) ;
 277     if ( control )
 278     {
 279         Rect scrollbounds ;
 280         GetControlBounds( control , &scrollbounds ) ;
 281         if( scrollbounds.right != bounds.right + 1 )
 282         {
 283             UMAMoveControl( control , bounds.right - (scrollbounds.right - scrollbounds.left) + 1 ,
 284                 scrollbounds.top ) ;
 285         }
 286     }
 287 #endif
 288 }
 289 void wxListBox::DoSetFirstItem(int N)
 290 {
 291     MacScrollTo( N ) ;
 292 }
 293
 294 void wxListBox::Delete(int N)
 295 {
 296     wxCHECK_RET( N >= 0 && N < m_noItems,
 297                  wxT("invalid index in wxListBox::Delete") );
 298
 299 #if wxUSE_OWNER_DRAWN
 300     delete m_aItems[N];
 301     m_aItems.RemoveAt(N);
 302 #else // !wxUSE_OWNER_DRAWN
 303     if ( HasClientObjectData() )
 304     {
 305         delete GetClientObject(N);
 306     }
 307 #endif // wxUSE_OWNER_DRAWN/!wxUSE_OWNER_DRAWN
 308     m_stringArray.Remove( N ) ;
 309     m_dataArray.RemoveAt( N ) ;
 310     m_noItems --;
 311
 312     MacDelete( N ) ;
 313 }
 314
 315 int wxListBox::DoAppend(const wxString& item)
 316 {
 317     int index = m_noItems ;
 318     if( wxApp::s_macDefaultEncodingIsPC )
 319     {
 320         m_stringArray.Add( wxMacMakeMacStringFromPC( item ) ) ;
 321         m_dataArray.Add( NULL );
 322     }
 323     else {
 324         m_stringArray.Add( item ) ;
 325         m_dataArray.Add( NULL );
 326     }
 327     m_noItems ++;
 328     DoSetItemClientData( index , NULL ) ;
 329     MacAppend( item ) ;
 330
 331     return index ;
 332 }
 333
 334 void wxListBox::DoSetItems(const wxArrayString& choices, void** clientData)
 335 {
 336   MacSetRedraw( false ) ;
 337   Clear() ;
 338   int n = choices.GetCount();
 339
 340   for( int i = 0 ; i < n ; ++i )
 341   {
 342     if ( clientData )
 343     {
 344 #if wxUSE_OWNER_DRAWN
 345             wxASSERT_MSG(clientData[i] == NULL,
 346                          wxT("Can't use client data with owner-drawn listboxes"));
 347 #else // !wxUSE_OWNER_DRAWN
 348         Append( choices[i] , clientData[i] ) ;
 349  #endif
 350     }
 351     else
 352         Append( choices[i] ) ;
 353   }
 354
 355 #if wxUSE_OWNER_DRAWN
 356     if ( m_windowStyle & wxLB_OWNERDRAW ) {
 357         // first delete old items
 358         size_t ui = m_aItems.Count();
 359         while ( ui-- != 0 ) {
 360             delete m_aItems[ui];
 361         }
 362         m_aItems.Empty();
 363
 364         // then create new ones
 365         for ( ui = 0; ui < (size_t)m_noItems; ui++ ) {
 366             wxOwnerDrawn *pNewItem = CreateItem(ui);
 367             pNewItem->SetName(choices[ui]);
 368             m_aItems.Add(pNewItem);
 369         }
 370     }
 371 #endif // wxUSE_OWNER_DRAWN
 372   MacSetRedraw( true ) ;
 373 }
 374
 375 bool wxListBox::HasMultipleSelection() const
 376 {
 377     return (m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED);
 378 }
 379
 380 int wxListBox::FindString(const wxString& st) const
 381 {
 382     wxString s ;
 383     if( wxApp::s_macDefaultEncodingIsPC )
 384     {
 385         s = wxMacMakeMacStringFromPC( st ) ;
 386     }
 387     else
 388         s = st ;
 389
 390     if ( s.Right(1) == "*" )
 391     {
 392         wxString search = s.Left( s.Length() - 1 ) ;
 393         int len = search.Length() ;
 394         Str255 s1 , s2 ;
 395
 396 #if TARGET_CARBON
 397         c2pstrcpy( (StringPtr) s2 , search.c_str() ) ;
 398 #else
 399         strcpy( (char *) s2 , search.c_str() ) ;
 400         c2pstr( (char *) s2 ) ;
 401 #endif
 402
 403         for ( int i = 0 ; i < m_noItems ; ++ i )
 404         {
 405 #if TARGET_CARBON
 406             c2pstrcpy( (StringPtr) s1 , m_stringArray[i].Left( len ).c_str() ) ;
 407 #else
 408             strcpy( (char *) s1 , m_stringArray[i].Left( len ).c_str() ) ;
 409             c2pstr( (char *) s1 ) ;
 410 #endif
 411             if ( EqualString( s1 , s2 , false , false ) )
 412                 return i ;
 413         }
 414         if ( s.Left(1) == "*" && s.Length() > 1 )
 415         {
 416             s.MakeLower() ;
 417             for ( int i = 0 ; i < m_noItems ; ++i )
 418             {
 419                 if ( GetString(i).Lower().Matches(s) )
 420                     return i ;
 421             }
 422         }
 423
 424     }
 425     else
 426     {
 427         Str255 s1 , s2 ;
 428
 429 #if TARGET_CARBON
 430         c2pstrcpy( (StringPtr) s2 , s.c_str() ) ;
 431 #else
 432         strcpy( (char *) s2 , s.c_str() ) ;
 433         c2pstr( (char *) s2 ) ;
 434 #endif
 435
 436         for ( int i = 0 ; i < m_noItems ; ++ i )
 437         {
 438 #if TARGET_CARBON
 439             c2pstrcpy( (StringPtr) s1 , m_stringArray[i].c_str() ) ;
 440 #else
 441             strcpy( (char *) s1 , m_stringArray[i].c_str() ) ;
 442             c2pstr( (char *) s1 ) ;
 443 #endif
 444             if ( EqualString( s1 , s2 , false , false ) )
 445                 return i ;
 446         }
 447    }
 448    return -1;
 449 }
 450
 451 void wxListBox::Clear()
 452 {
 453   Free();
 454   m_noItems = 0;
 455   m_stringArray.Empty() ;
 456   m_dataArray.Empty() ;
 457   MacClear() ;
 458 }
 459
 460 void wxListBox::SetSelection(int N, bool select)
 461 {
 462     wxCHECK_RET( N >= 0 && N < m_noItems,
 463                  "invalid index in wxListBox::SetSelection" );
 464       MacSetSelection( N , select ) ;
 465       GetSelections( m_selectionPreImage ) ;
 466 }
 467
 468 bool wxListBox::IsSelected(int N) const
 469 {
 470     wxCHECK_MSG( N >= 0 && N < m_noItems, FALSE,
 471                  "invalid index in wxListBox::Selected" );
 472
 473       return MacIsSelected( N ) ;
 474 }
 475
 476 void *wxListBox::DoGetItemClientData(int N) const
 477 {
 478     wxCHECK_MSG( N >= 0 && N < m_noItems, NULL,
 479                  wxT("invalid index in wxListBox::GetClientData"));
 480
 481     return (void *)m_dataArray[N];
 482 }
 483
 484 wxClientData *wxListBox::DoGetItemClientObject(int N) const
 485 {
 486     return (wxClientData *) DoGetItemClientData( N ) ;
 487 }
 488
 489 void wxListBox::DoSetItemClientData(int N, void *Client_data)
 490 {
 491     wxCHECK_RET( N >= 0 && N < m_noItems,
 492                  "invalid index in wxListBox::SetClientData" );
 493
 494 #if wxUSE_OWNER_DRAWN
 495     if ( m_windowStyle & wxLB_OWNERDRAW )
 496     {
 497         // client data must be pointer to wxOwnerDrawn, otherwise we would crash
 498         // in OnMeasure/OnDraw.
 499         wxFAIL_MSG(wxT("Can't use client data with owner-drawn listboxes"));
 500     }
 501 #endif // wxUSE_OWNER_DRAWN
 502     wxASSERT_MSG( m_dataArray.GetCount() >= N , "invalid client_data array" ) ;
 503
 504     if ( m_dataArray.GetCount() > N )
 505     {
 506         m_dataArray[N] = (char*) Client_data ;
 507     }
 508     else
 509     {
 510         m_dataArray.Add( (char*) Client_data ) ;
 511     }
 512 }
 513
 514 void wxListBox::DoSetItemClientObject(int n, wxClientData* clientData)
 515 {
 516     DoSetItemClientData(n, clientData);
 517 }
 518
 519 // Return number of selections and an array of selected integers
 520 int wxListBox::GetSelections(wxArrayInt& aSelections) const
 521 {
 522     return MacGetSelections( aSelections ) ;
 523 }
 524
 525 // Get single selection, for single choice list items
 526 int wxListBox::GetSelection() const
 527 {
 528     return MacGetSelection() ;
 529 }
 530
 531 // Find string for position
 532 wxString wxListBox::GetString(int N) const
 533 {
 534     if( wxApp::s_macDefaultEncodingIsPC )
 535     {
 536         return      wxMacMakePCStringFromMac( m_stringArray[N] ) ;
 537     }
 538     else
 539         return m_stringArray[N]  ;
 540 }
 541
 542 void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
 543 {
 544     wxCHECK_RET( pos >= 0 && pos <= m_noItems,
 545                  wxT("invalid index in wxListBox::InsertItems") );
 546
 547     int nItems = items.GetCount();
 548
 549     for ( int i = 0 ; i < nItems ; i++ )
 550     {
 551         m_stringArray.Insert( items[i] , pos + i ) ;
 552         m_dataArray.Insert( NULL , pos + i ) ;
 553         MacInsert( pos + i , items[i] ) ;
 554     }
 555
 556     m_noItems += nItems;
 557 }
 558
 559 void wxListBox::SetString(int N, const wxString& s)
 560 {
 561     wxString str ;
 562     if( wxApp::s_macDefaultEncodingIsPC )
 563     {
 564         str = wxMacMakeMacStringFromPC( s )  ;
 565     }
 566     else
 567         str = s ;
 568     m_stringArray[N] = str ;
 569     MacSet( N , s ) ;
 570 }
 571
 572 wxSize wxListBox::DoGetBestSize() const
 573 {
 574     return wxSize(100, 100);
 575 }
 576
 577 int wxListBox::GetCount() const
 578 {
 579     return m_noItems;
 580 }
 581
 582 void wxListBox::SetupColours()
 583 {
 584     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
 585     SetForegroundColour(GetParent()->GetForegroundColour());
 586 }
 587
 588 void wxListBox::Refresh(bool eraseBack, const wxRect *rect)
 589 {
 590     // Set up port
 591     WindowRef rootwindow = MacGetRootWindow() ;
 592     wxWindow* wxrootwindow = wxFindWinFromMacWindow( rootwindow ) ;
 593     wxMacDrawingHelper focus( wxrootwindow );
 594
 595     UMADrawControl(m_macControl);
 596 }
 597
 598 #if wxUSE_OWNER_DRAWN
 599
 600 class wxListBoxItem : public wxOwnerDrawn
 601 {
 602 public:
 603     wxListBoxItem(const wxString& str = "");
 604 };
 605
 606 wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE)
 607 {
 608     // no bitmaps/checkmarks
 609     SetMarginWidth(0);
 610 }
 611
 612 wxOwnerDrawn *wxListBox::CreateItem(size_t n)
 613 {
 614     return new wxListBoxItem();
 615 }
 616
 617 #endif  //USE_OWNER_DRAWN
 618
 619 // ============================================================================
 620 // list box control implementation
 621 // ============================================================================
 622
 623 void MacDrawStringCell(Rect *cellRect, Cell lCell, ListHandle theList, long refCon)
 624 {
 625     wxListBox*          list;
 626     // typecast our refCon
 627     list = (wxListBox*)refCon;
 628
 629     MoveTo(cellRect->left + 4 , cellRect->top + 10 );
 630     const wxString text = list->m_stringArray[lCell.v] ;
 631     ::TextFont( kFontIDMonaco ) ;
 632     ::TextSize( 9  );
 633     ::TextFace( 0 ) ;
 634     DrawText(text, 0 , text.Length());
 635
 636 }
 637
 638 void wxListBox::MacDelete( int N )
 639 {
 640     LDelRow( 1 , N , m_macList) ;
 641     Refresh();
 642 }
 643
 644 void wxListBox::MacInsert( int n , const char * text)
 645 {
 646     Cell cell = { 0 , 0 } ;
 647     cell.v = n ;
 648     LAddRow( 1 , cell.v , m_macList ) ;
 649 //    LSetCell(text, strlen(text), cell, m_macList);
 650     Refresh();
 651 }
 652
 653 void wxListBox::MacAppend( const char * text)
 654 {
 655     Cell cell = { 0 , 0 } ;
 656     cell.v = (**m_macList).dataBounds.bottom ;
 657     LAddRow( 1 , cell.v , m_macList ) ;
 658  //   LSetCell(text, strlen(text), cell, m_macList);
 659     Refresh();
 660 }
 661
 662 void wxListBox::MacClear()
 663 {
 664     LDelRow( (**m_macList).dataBounds.bottom , 0 , m_macList ) ;
 665     Refresh();
 666 }
 667
 668 void wxListBox::MacSetSelection( int n , bool select )
 669 {
 670     Cell cell = { 0 , 0 } ;
 671     if ( ! (m_windowStyle & wxLB_MULTIPLE) )
 672     {
 673     if ( LGetSelect( true , &cell , m_macList ) )
 674     {
 675         LSetSelect( false , cell , m_macList ) ;
 676     }
 677     }
 678
 679     cell.v = n ;
 680     LSetSelect( select , cell , m_macList ) ;
 681     LAutoScroll( m_macList ) ;
 682     Refresh();
 683 }
 684
 685 bool wxListBox::MacIsSelected( int n ) const
 686 {
 687     Cell cell = { 0 , 0 } ;
 688     cell.v = n ;
 689     return LGetSelect( false , &cell , m_macList ) ;
 690 }
 691
 692 void wxListBox::MacDestroy()
 693 {
 694 //    DisposeExtLDEFInfo( m_macList ) ;
 695 }
 696
 697 int wxListBox::MacGetSelection() const
 698 {
 699     Cell cell = { 0 , 0 } ;
 700     if ( LGetSelect( true , &cell , m_macList ) )
 701         return cell.v ;
 702     else
 703         return -1 ;
 704 }
 705
 706 int wxListBox::MacGetSelections( wxArrayInt& aSelections ) const
 707 {
 708     int no_sel = 0 ;
 709
 710     aSelections.Empty();
 711
 712     Cell cell = { 0 , 0 } ;
 713     cell.v = 0 ;
 714
 715     while ( LGetSelect( true , &cell , m_macList ) )
 716     {
 717         aSelections.Add( cell.v ) ;
 718         no_sel++ ;
 719         cell.v++ ;
 720     }
 721     return no_sel ;
 722 }
 723
 724 void wxListBox::MacSet( int n , const char * text )
 725 {
 726     // our implementation does not store anything in the list
 727     // so we just have to redraw
 728     Cell cell = { 0 , 0 } ;
 729     cell.v = n ;
 730 //  LSetCell(text, strlen(text), cell, m_macList);
 731     Refresh();
 732 }
 733
 734 void wxListBox::MacScrollTo( int n )
 735 {
 736     // TODO implement scrolling
 737 }
 738
 739 void wxListBox::OnSize( const wxSizeEvent &event)
 740 {
 741     Point pt;
 742
 743 #if TARGET_CARBON
 744     GetListCellSize(m_macList, &pt);
 745 #else
 746     pt = (**m_macList).cellSize ;
 747 #endif
 748     pt.h =  m_width - 15  ;
 749     LCellSize( pt , m_macList ) ;
 750 }
 751
 752 void wxListBox::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
 753 {
 754     Boolean wasDoubleClick = false ;
 755     long    result ;
 756
 757     ::GetControlData( m_macControl , kControlNoPart , kControlListBoxDoubleClickTag , sizeof( wasDoubleClick ) , (char*) &wasDoubleClick  , &result ) ;
 758     if ( !wasDoubleClick )
 759     {
 760         MacDoClick() ;
 761     }
 762     else
 763     {
 764         MacDoDoubleClick() ;
 765     }
 766 }
 767
 768 void wxListBox::MacSetRedraw( bool doDraw )
 769 {
 770     LSetDrawingMode( doDraw , m_macList ) ;
 771
 772 }
 773
 774 void wxListBox::MacDoClick()
 775 {
 776     wxArrayInt aSelections;
 777     int n, count = GetSelections(aSelections);
 778
 779     if ( count == m_selectionPreImage.GetCount() )
 780     {
 781         bool hasChanged = false ;
 782         for ( int i = 0 ; i < count ; ++i )
 783         {
 784             if ( aSelections[i] != m_selectionPreImage[i] )
 785             {
 786                 hasChanged = true ;
 787                 break ;
 788             }
 789         }
 790         if ( !hasChanged )
 791         {
 792             return ;
 793         }
 794     }
 795
 796     m_selectionPreImage = aSelections;
 797
 798     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId);
 799     event.SetEventObject( this );
 800
 801     if ( count > 0 )
 802     {
 803         n = aSelections[0];
 804         if ( HasClientObjectData() )
 805             event.SetClientObject( GetClientObject(n) );
 806         else if ( HasClientUntypedData() )
 807             event.SetClientData( GetClientData(n) );
 808         event.SetString( GetString(n) );
 809     }
 810     else
 811     {
 812          n = -1;
 813     }
 814
 815     event.m_commandInt = n;
 816
 817     GetEventHandler()->ProcessEvent(event);
 818 }
 819
 820 void wxListBox::MacDoDoubleClick()
 821 {
 822     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId);
 823     event.SetEventObject( this );
 824     GetEventHandler()->ProcessEvent(event) ;
 825 }