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