src/mac/listbox.cpp

///////////////////////////////////////////////////////////////////////////////
// Name:        listbox.cpp
// Purpose:     wxListBox
// Author:      AUTHOR
// Modified by:
// Created:     ??/??/98
// RCS-ID:      $Id$
// Copyright:   (c) AUTHOR
// Licence:     wxWindows licence
///////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation "listbox.h"
#endif

#include "wx/app.h"
#include "wx/listbox.h"
#include "wx/settings.h"
#include "wx/toplevel.h"
#include "wx/dynarray.h"
#include "wx/log.h"

#include "wx/utils.h"

#if !USE_SHARED_LIBRARY
  IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)

BEGIN_EVENT_TABLE(wxListBox, wxControl)
    EVT_SIZE( wxListBox::OnSize )
END_EVENT_TABLE()
#endif

#include "wx/mac/uma.h"


typedef struct {
 unsigned short instruction;
 void (*function)();
} ldefRec, *ldefPtr, **ldefHandle;

extern "C"
{
static pascal void wxMacListDefinition( short message, Boolean isSelected, Rect *drawRect,
                                     Cell cell, short dataOffset, short dataLength,
                                     ListHandle listHandle ) ;
}

static pascal void wxMacListDefinition( short message, Boolean isSelected, Rect *drawRect,
                                     Cell cell, short dataOffset, short dataLength,
                                     ListHandle listHandle )
{
    FontInfo fontInfo;
    GrafPtr savePort;
    GrafPtr grafPtr;
    RgnHandle savedClipRegion;
    SInt32 savedPenMode;
    wxListBox*          list;
  GetPort(&savePort);
  SetPort((**listHandle).port);
  grafPtr = (**listHandle).port ;
    // typecast our refCon
    list = (wxListBox*) GetControlReference( (ControlHandle) GetListRefCon(listHandle) );

    //  Calculate the cell rect.

    switch( message ) {
        case lInitMsg:
            break;

        case lCloseMsg:
            break;

        case lDrawMsg:
        {
            const wxString text = list->m_stringArray[cell.v] ;

            //  Save the current clip region, and set the clip region to the area we are about
            //  to draw.

            savedClipRegion = NewRgn();
            GetClip( savedClipRegion );

            ClipRect( drawRect );
            EraseRect( drawRect );

        MoveTo(drawRect->left + 4 , drawRect->top + 10 );
        ::TextFont( kFontIDMonaco ) ;
        ::TextSize( 9  );
        ::TextFace( 0 ) ;

        DrawText(text, 0 , text.Length());
            //  If the cell is hilited, do the hilite now. Paint the cell contents with the
            //  appropriate QuickDraw transform mode.

            if( isSelected ) {
                savedPenMode = GetPortPenMode( grafPtr );
                SetPortPenMode( grafPtr, hilitetransfermode );
                PaintRect( drawRect );
                SetPortPenMode( grafPtr, savedPenMode );
            }

            //  Restore the saved clip region.

            SetClip( savedClipRegion );
            DisposeRgn( savedClipRegion );
            }
            break;
        case lHiliteMsg:

            //  Hilite or unhilite the cell. Paint the cell contents with the
            //  appropriate QuickDraw transform mode.

            GetPort( &grafPtr );
            savedPenMode = GetPortPenMode( grafPtr );
            SetPortPenMode( grafPtr, hilitetransfermode );
            PaintRect( drawRect );
            SetPortPenMode( grafPtr, savedPenMode );
            break;
        default :
          break ;
    }
    SetPort(savePort);
}

extern "C" void MacDrawStringCell(Rect *cellRect, Cell lCell, ListHandle theList, long refCon) ;
const short kwxMacListWithVerticalScrollbar = 128 ;

// ============================================================================
// list box control implementation
// ============================================================================

// Listbox item
wxListBox::wxListBox()
{
  m_noItems = 0;
  m_selected = 0;
  m_macList = NULL ;
}

static ListDefUPP macListDefUPP = NULL ;

bool wxListBox::Create(wxWindow *parent, wxWindowID id,
                       const wxPoint& pos,
                       const wxSize& size,
                       int n, const wxString choices[],
                       long style,
                       const wxValidator& validator,
                       const wxString& name)
{
    m_noItems = 0 ; // this will be increased by our append command
    m_selected = 0;

    Rect bounds ;
    Str255 title ;

    MacPreControlCreate( parent , id ,  "" , pos , size ,style, validator , name , &bounds , title ) ;

    ListDefSpec listDef;
    listDef.defType = kListDefUserProcType;
    if ( macListDefUPP == NULL )
    {
      macListDefUPP = NewListDefUPP( wxMacListDefinition );
    }
        listDef.u.userProc = macListDefUPP ;
#if TARGET_CARBON
    Size asize;


    CreateListBoxControl( parent->MacGetRootWindow(), &bounds, false, 0, 1, false, true,
                          14, 14, false, &listDef, &m_macControl );

    GetControlData(m_macControl, kControlNoPart, kControlListBoxListHandleTag,
                   sizeof(ListHandle), (Ptr) &m_macList, &asize);

    SetControlReference(m_macControl, (long) this);
    SetControlVisibility(m_macControl, false, false);

#else
    long    result ;

    m_macControl = ::NewControl( parent->MacGetRootWindow() , &bounds , title , false ,
                  kwxMacListWithVerticalScrollbar , 0 , 0,
                  kControlListBoxProc , (long) this ) ;
    ::GetControlData( m_macControl , kControlNoPart , kControlListBoxListHandleTag ,
               sizeof( ListHandle ) , (char*) &m_macList  , &result ) ;

    HLock( (Handle) m_macList ) ;
    ldefHandle ldef ;
    ldef = (ldefHandle) NewHandle( sizeof(ldefRec) ) ;
    if (  (**m_macList).listDefProc != NULL )
    {
      (**ldef).instruction = 0x4EF9;  /* JMP instruction */
      (**ldef).function = (void(*)()) listDef.u.userProc;
      (**m_macList).listDefProc = (Handle) ldef ;
    }

    Point pt = (**m_macList).cellSize ;
    pt.v = 14 ;
    LCellSize( pt , m_macList ) ;

    LAddColumn( 1 , 0 , m_macList ) ;
#endif
    OptionBits  options = 0;
    if ( style & wxLB_MULTIPLE )
    {
        options += lNoExtend ;
    }
    else if ( style & wxLB_EXTENDED )
    {
        options += lExtendDrag ;
    }
    else
    {
        options = lOnlyOne ;
    }
    SetListSelectionFlags(m_macList, options);

    MacPostControlCreate() ;

    for ( int i = 0 ; i < n ; i++ )
    {
        Append( choices[i] ) ;
    }

    LSetDrawingMode( true , m_macList ) ;

    return TRUE;
}

wxListBox::~wxListBox()
{
    Free() ;
    if ( m_macList )
    {
#if !TARGET_CARBON
      DisposeHandle( (**m_macList).listDefProc ) ;
      (**m_macList).listDefProc = NULL ;
#endif
        m_macList = NULL ;
    }
}

void wxListBox::Free()
{
#if wxUSE_OWNER_DRAWN
    if ( m_windowStyle & wxLB_OWNERDRAW )
    {
        size_t uiCount = m_aItems.Count();
        while ( uiCount-- != 0 ) {
            delete m_aItems[uiCount];
        }

        m_aItems.Clear();
    }
    else
#endif // wxUSE_OWNER_DRAWN
    if ( HasClientObjectData() )
    {
        for ( size_t n = 0; n < (size_t)m_noItems; n++ )
        {
            delete GetClientObject(n);
        }
    }
}

void  wxListBox::DoSetSize(int x, int y,
            int width, int height,
            int sizeFlags )
{
    wxControl::DoSetSize( x , y , width , height , sizeFlags ) ;
#if TARGET_CARBON
    Rect bounds ;
    GetControlBounds( m_macControl , &bounds ) ;
    ControlRef control = GetListVerticalScrollBar( m_macList ) ;
    if ( control )
    {
        Rect scrollbounds ;
        GetControlBounds( control , &scrollbounds ) ;
        if( scrollbounds.right != bounds.right + 1 )
        {
            UMAMoveControl( control , bounds.right - (scrollbounds.right - scrollbounds.left) + 1 ,
                scrollbounds.top ) ;
        }
    }
#endif
}
void wxListBox::DoSetFirstItem(int N)
{
    MacScrollTo( N ) ;
}

void wxListBox::Delete(int N)
{
    wxCHECK_RET( N >= 0 && N < m_noItems,
                 wxT("invalid index in wxListBox::Delete") );

#if wxUSE_OWNER_DRAWN
    delete m_aItems[N];
    m_aItems.RemoveAt(N);
#else // !wxUSE_OWNER_DRAWN
    if ( HasClientObjectData() )
    {
        delete GetClientObject(N);
    }
#endif // wxUSE_OWNER_DRAWN/!wxUSE_OWNER_DRAWN
    m_stringArray.Remove( N ) ;
    m_dataArray.RemoveAt( N ) ;
    m_noItems --;

    MacDelete( N ) ;
}

int wxListBox::DoAppend(const wxString& item)
{
    int index = m_noItems ;
    if( wxApp::s_macDefaultEncodingIsPC )
    {
        m_stringArray.Add( wxMacMakeMacStringFromPC( item ) ) ;
        m_dataArray.Add( NULL );
    }
    else {
        m_stringArray.Add( item ) ;
        m_dataArray.Add( NULL );
    }
    m_noItems ++;
    DoSetItemClientData( index , NULL ) ;
    MacAppend( item ) ;

    return index ;
}

void wxListBox::DoSetItems(const wxArrayString& choices, void** clientData)
{
  MacSetRedraw( false ) ;
  Clear() ;
  int n = choices.GetCount();

  for( int i = 0 ; i < n ; ++i )
  {
    if ( clientData )
    {
#if wxUSE_OWNER_DRAWN
            wxASSERT_MSG(clientData[i] == NULL,
                         wxT("Can't use client data with owner-drawn listboxes"));
#else // !wxUSE_OWNER_DRAWN
        Append( choices[i] , clientData[i] ) ;
 #endif
    }
    else
        Append( choices[i] ) ;
  }

#if wxUSE_OWNER_DRAWN
    if ( m_windowStyle & wxLB_OWNERDRAW ) {
        // first delete old items
        size_t ui = m_aItems.Count();
        while ( ui-- != 0 ) {
            delete m_aItems[ui];
        }
        m_aItems.Empty();

        // then create new ones
        for ( ui = 0; ui < (size_t)m_noItems; ui++ ) {
            wxOwnerDrawn *pNewItem = CreateItem(ui);
            pNewItem->SetName(choices[ui]);
            m_aItems.Add(pNewItem);
        }
    }
#endif // wxUSE_OWNER_DRAWN
  MacSetRedraw( true ) ;
}

bool wxListBox::HasMultipleSelection() const
{
    return (m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED);
}

int wxListBox::FindString(const wxString& st) const
{
    wxString s ;
    if( wxApp::s_macDefaultEncodingIsPC )
    {
        s = wxMacMakeMacStringFromPC( st ) ;
    }
    else
        s = st ;

    if ( s.Right(1) == "*" )
    {
        wxString search = s.Left( s.Length() - 1 ) ;
        int len = search.Length() ;
        Str255 s1 , s2 ;

#if TARGET_CARBON
        c2pstrcpy( (StringPtr) s2 , search.c_str() ) ;
#else
        strcpy( (char *) s2 , search.c_str() ) ;
        c2pstr( (char *) s2 ) ;
#endif

        for ( int i = 0 ; i < m_noItems ; ++ i )
        {
#if TARGET_CARBON
            c2pstrcpy( (StringPtr) s1 , m_stringArray[i].Left( len ).c_str() ) ;
#else
            strcpy( (char *) s1 , m_stringArray[i].Left( len ).c_str() ) ;
            c2pstr( (char *) s1 ) ;
#endif
            if ( EqualString( s1 , s2 , false , false ) )
                return i ;
        }
        if ( s.Left(1) == "*" && s.Length() > 1 )
        {
            s.MakeLower() ;
            for ( int i = 0 ; i < m_noItems ; ++i )
            {
                if ( GetString(i).Lower().Matches(s) )
                    return i ;
            }
        }

    }
    else
    {
        Str255 s1 , s2 ;

#if TARGET_CARBON
        c2pstrcpy( (StringPtr) s2 , s.c_str() ) ;
#else
        strcpy( (char *) s2 , s.c_str() ) ;
        c2pstr( (char *) s2 ) ;
#endif

        for ( int i = 0 ; i < m_noItems ; ++ i )
        {
#if TARGET_CARBON
            c2pstrcpy( (StringPtr) s1 , m_stringArray[i].c_str() ) ;
#else
            strcpy( (char *) s1 , m_stringArray[i].c_str() ) ;
            c2pstr( (char *) s1 ) ;
#endif
            if ( EqualString( s1 , s2 , false , false ) )
                return i ;
        }
   }
   return -1;
}

void wxListBox::Clear()
{
  Free();
  m_noItems = 0;
  m_stringArray.Empty() ;
  m_dataArray.Empty() ;
  MacClear() ;
}

void wxListBox::SetSelection(int N, bool select)
{
    wxCHECK_RET( N >= 0 && N < m_noItems,
                 "invalid index in wxListBox::SetSelection" );
      MacSetSelection( N , select ) ;
      GetSelections( m_selectionPreImage ) ;
}

bool wxListBox::IsSelected(int N) const
{
    wxCHECK_MSG( N >= 0 && N < m_noItems, FALSE,
                 "invalid index in wxListBox::Selected" );

      return MacIsSelected( N ) ;
}

void *wxListBox::DoGetItemClientData(int N) const
{
    wxCHECK_MSG( N >= 0 && N < m_noItems, NULL,
                 wxT("invalid index in wxListBox::GetClientData"));

    return (void *)m_dataArray[N];
}

wxClientData *wxListBox::DoGetItemClientObject(int N) const
{
    return (wxClientData *) DoGetItemClientData( N ) ;
}

void wxListBox::DoSetItemClientData(int N, void *Client_data)
{
    wxCHECK_RET( N >= 0 && N < m_noItems,
                 "invalid index in wxListBox::SetClientData" );

#if wxUSE_OWNER_DRAWN
    if ( m_windowStyle & wxLB_OWNERDRAW )
    {
        // client data must be pointer to wxOwnerDrawn, otherwise we would crash
        // in OnMeasure/OnDraw.
        wxFAIL_MSG(wxT("Can't use client data with owner-drawn listboxes"));
    }
#endif // wxUSE_OWNER_DRAWN
    wxASSERT_MSG( m_dataArray.GetCount() >= N , "invalid client_data array" ) ;

    if ( m_dataArray.GetCount() > N )
    {
        m_dataArray[N] = (char*) Client_data ;
    }
    else
    {
        m_dataArray.Add( (char*) Client_data ) ;
    }
}

void wxListBox::DoSetItemClientObject(int n, wxClientData* clientData)
{
    DoSetItemClientData(n, clientData);
}

// Return number of selections and an array of selected integers
int wxListBox::GetSelections(wxArrayInt& aSelections) const
{
    return MacGetSelections( aSelections ) ;
}

// Get single selection, for single choice list items
int wxListBox::GetSelection() const
{
    return MacGetSelection() ;
}

// Find string for position
wxString wxListBox::GetString(int N) const
{
    if( wxApp::s_macDefaultEncodingIsPC )
    {
        return      wxMacMakePCStringFromMac( m_stringArray[N] ) ;
    }
    else
        return m_stringArray[N]  ;
}

void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
{
    wxCHECK_RET( pos >= 0 && pos <= m_noItems,
                 wxT("invalid index in wxListBox::InsertItems") );

    int nItems = items.GetCount();

    for ( int i = 0 ; i < nItems ; i++ )
    {
        m_stringArray.Insert( items[i] , pos + i ) ;
        m_dataArray.Insert( NULL , pos + i ) ;
        MacInsert( pos + i , items[i] ) ;
    }

    m_noItems += nItems;
}

void wxListBox::SetString(int N, const wxString& s)
{
    wxString str ;
    if( wxApp::s_macDefaultEncodingIsPC )
    {
        str = wxMacMakeMacStringFromPC( s )  ;
    }
    else
        str = s ;
    m_stringArray[N] = str ;
    MacSet( N , s ) ;
}

wxSize wxListBox::DoGetBestSize() const
{
    return wxSize(100, 100);
}

int wxListBox::GetCount() const
{
    return m_noItems;
}

void wxListBox::SetupColours()
{
    SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
    SetForegroundColour(GetParent()->GetForegroundColour());
}

void wxListBox::Refresh(bool eraseBack, const wxRect *rect)
{
    // Set up port
    WindowRef rootwindow = MacGetRootWindow() ;
    wxWindow* wxrootwindow = wxFindWinFromMacWindow( rootwindow ) ;
    wxMacDrawingHelper focus( wxrootwindow );

    UMADrawControl(m_macControl);
}

#if wxUSE_OWNER_DRAWN

class wxListBoxItem : public wxOwnerDrawn
{
public:
    wxListBoxItem(const wxString& str = "");
};

wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE)
{
    // no bitmaps/checkmarks
    SetMarginWidth(0);
}

wxOwnerDrawn *wxListBox::CreateItem(size_t n)
{
    return new wxListBoxItem();
}

#endif  //USE_OWNER_DRAWN

// ============================================================================
// list box control implementation
// ============================================================================

void MacDrawStringCell(Rect *cellRect, Cell lCell, ListHandle theList, long refCon)
{
    wxListBox*          list;
    // typecast our refCon
    list = (wxListBox*)refCon;

    MoveTo(cellRect->left + 4 , cellRect->top + 10 );
    const wxString text = list->m_stringArray[lCell.v] ;
    ::TextFont( kFontIDMonaco ) ;
    ::TextSize( 9  );
    ::TextFace( 0 ) ;
    DrawText(text, 0 , text.Length());

}

void wxListBox::MacDelete( int N )
{
    LDelRow( 1 , N , m_macList) ;
    Refresh();
}

void wxListBox::MacInsert( int n , const char * text)
{
    Cell cell = { 0 , 0 } ;
    cell.v = n ;
    LAddRow( 1 , cell.v , m_macList ) ;
//    LSetCell(text, strlen(text), cell, m_macList);
    Refresh();
}

void wxListBox::MacAppend( const char * text)
{
    Cell cell = { 0 , 0 } ;
    cell.v = (**m_macList).dataBounds.bottom ;
    LAddRow( 1 , cell.v , m_macList ) ;
 //   LSetCell(text, strlen(text), cell, m_macList);
    Refresh();
}

void wxListBox::MacClear()
{
    LDelRow( (**m_macList).dataBounds.bottom , 0 , m_macList ) ;
    Refresh();
}

void wxListBox::MacSetSelection( int n , bool select )
{
    Cell cell = { 0 , 0 } ;
    if ( ! (m_windowStyle & wxLB_MULTIPLE) )
    {
    if ( LGetSelect( true , &cell , m_macList ) )
    {
        LSetSelect( false , cell , m_macList ) ;
    }
    }

    cell.v = n ;
    LSetSelect( select , cell , m_macList ) ;
    LAutoScroll( m_macList ) ;
    Refresh();
}

bool wxListBox::MacIsSelected( int n ) const
{
    Cell cell = { 0 , 0 } ;
    cell.v = n ;
    return LGetSelect( false , &cell , m_macList ) ;
}

void wxListBox::MacDestroy()
{
//    DisposeExtLDEFInfo( m_macList ) ;
}

int wxListBox::MacGetSelection() const
{
    Cell cell = { 0 , 0 } ;
    if ( LGetSelect( true , &cell , m_macList ) )
        return cell.v ;
    else
        return -1 ;
}

int wxListBox::MacGetSelections( wxArrayInt& aSelections ) const
{
    int no_sel = 0 ;

    aSelections.Empty();

    Cell cell = { 0 , 0 } ;
    cell.v = 0 ;

    while ( LGetSelect( true , &cell , m_macList ) )
    {
        aSelections.Add( cell.v ) ;
        no_sel++ ;
        cell.v++ ;
    }
    return no_sel ;
}

void wxListBox::MacSet( int n , const char * text )
{
    // our implementation does not store anything in the list
    // so we just have to redraw
    Cell cell = { 0 , 0 } ;
    cell.v = n ;
//  LSetCell(text, strlen(text), cell, m_macList);
    Refresh();
}

void wxListBox::MacScrollTo( int n )
{
    // TODO implement scrolling
}

void wxListBox::OnSize( const wxSizeEvent &event)
{
    Point pt;

#if TARGET_CARBON
    GetListCellSize(m_macList, &pt);
#else
    pt = (**m_macList).cellSize ;
#endif
    pt.h =  m_width - 15  ;
    LCellSize( pt , m_macList ) ;
}

void wxListBox::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
{
    Boolean wasDoubleClick = false ;
    long    result ;

    ::GetControlData( m_macControl , kControlNoPart , kControlListBoxDoubleClickTag , sizeof( wasDoubleClick ) , (char*) &wasDoubleClick  , &result ) ;
    if ( !wasDoubleClick )
    {
        MacDoClick() ;
    }
    else
    {
        MacDoDoubleClick() ;
    }
}

void wxListBox::MacSetRedraw( bool doDraw )
{
    LSetDrawingMode( doDraw , m_macList ) ;

}

void wxListBox::MacDoClick()
{
    wxArrayInt aSelections;
    int n, count = GetSelections(aSelections);

    if ( count == m_selectionPreImage.GetCount() )
    {
        bool hasChanged = false ;
        for ( int i = 0 ; i < count ; ++i )
        {
            if ( aSelections[i] != m_selectionPreImage[i] )
            {
                hasChanged = true ;
                break ;
            }
        }
        if ( !hasChanged )
        {
            return ;
        }
    }

    m_selectionPreImage = aSelections;

    wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId);
    event.SetEventObject( this );

    if ( count > 0 )
    {
        n = aSelections[0];
        if ( HasClientObjectData() )
            event.SetClientObject( GetClientObject(n) );
        else if ( HasClientUntypedData() )
            event.SetClientData( GetClientData(n) );
        event.SetString( GetString(n) );
    }
    else
    {
         n = -1;
    }

    event.m_commandInt = n;

    GetEventHandler()->ProcessEvent(event);
}

void wxListBox::MacDoDoubleClick()
{
    wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId);
    event.SetEventObject( this );
    GetEventHandler()->ProcessEvent(event) ;
}
Commit	Line	Data
	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	}