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/dynarray.h"
#include "wx/log.h"

#include "wx/utils.h"
#ifndef __DARWIN__
//  #include "extldef.h"
#endif

#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->GetMacRootWindow(), &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->GetMacRootWindow() , &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 = GetMacRootWindow() ;
    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 ;
	}

	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/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->GetMacRootWindow(), &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->GetMacRootWindow() , &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 = GetMacRootWindow() ;
	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	return ;
	792	}
	793
	794	wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId);
	795	event.SetEventObject( this );
	796
	797	if ( count > 0 )
	798	{
	799	n = aSelections[0];
	800	if ( HasClientObjectData() )
	801	event.SetClientObject( GetClientObject(n) );
	802	else if ( HasClientUntypedData() )
	803	event.SetClientData( GetClientData(n) );
	804	event.SetString( GetString(n) );
	805	}
	806	else
	807	{
	808	n = -1;
	809	}
	810
	811	event.m_commandInt = n;
	812
	813	GetEventHandler()->ProcessEvent(event);
	814	}
	815
	816	void wxListBox::MacDoDoubleClick()
	817	{
	818	wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId);
	819	event.SetEventObject( this );
	820	GetEventHandler()->ProcessEvent(event) ;
	821	}