reverted last commit, still broken for VC6

[wxWidgets.git] / src / msw / listbox.cpp

diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp
index 655dea67220d5958f65c2bb76c92ce53f8ab5af9..84e7896bdf2715c3788a4c2f4809c2144f42e207 100644 (file)
--- a/src/msw/listbox.cpp
+++ b/src/msw/listbox.cpp
@@ -9,7 +9,7 @@
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

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


@@ -43,13 +43,77 @@
     #include  "wx/ownerdrw.h"
 #endif
 
     #include  "wx/ownerdrw.h"
 #endif
 

-#ifndef __TWIN32__
-    #ifdef __GNUWIN32_OLD__
-        #include "wx/msw/gnuwin32/extra.h"
-    #endif
+#ifdef __GNUWIN32_OLD__
+    #include "wx/msw/gnuwin32/extra.h"

 #endif
 
 #endif
 

+#if wxUSE_EXTENDED_RTTI
+WX_DEFINE_FLAGS( wxListBoxStyle )
+
+wxBEGIN_FLAGS( wxListBoxStyle )
+    // new style border flags, we put them first to
+    // use them for streaming out
+    wxFLAGS_MEMBER(wxBORDER_SIMPLE)
+    wxFLAGS_MEMBER(wxBORDER_SUNKEN)
+    wxFLAGS_MEMBER(wxBORDER_DOUBLE)
+    wxFLAGS_MEMBER(wxBORDER_RAISED)
+    wxFLAGS_MEMBER(wxBORDER_STATIC)
+    wxFLAGS_MEMBER(wxBORDER_NONE)
+
+    // old style border flags
+    wxFLAGS_MEMBER(wxSIMPLE_BORDER)
+    wxFLAGS_MEMBER(wxSUNKEN_BORDER)
+    wxFLAGS_MEMBER(wxDOUBLE_BORDER)
+    wxFLAGS_MEMBER(wxRAISED_BORDER)
+    wxFLAGS_MEMBER(wxSTATIC_BORDER)
+    wxFLAGS_MEMBER(wxBORDER)
+
+    // standard window styles
+    wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+    wxFLAGS_MEMBER(wxCLIP_CHILDREN)
+    wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
+    wxFLAGS_MEMBER(wxWANTS_CHARS)
+    wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
+    wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
+    wxFLAGS_MEMBER(wxVSCROLL)
+    wxFLAGS_MEMBER(wxHSCROLL)
+
+    wxFLAGS_MEMBER(wxLB_SINGLE)
+    wxFLAGS_MEMBER(wxLB_MULTIPLE)
+    wxFLAGS_MEMBER(wxLB_EXTENDED)
+    wxFLAGS_MEMBER(wxLB_HSCROLL)
+    wxFLAGS_MEMBER(wxLB_ALWAYS_SB)
+    wxFLAGS_MEMBER(wxLB_NEEDED_SB)
+    wxFLAGS_MEMBER(wxLB_SORT)
+
+wxEND_FLAGS( wxListBoxStyle )
+
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxListBox, wxControl,"wx/listbox.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxListBox)
+    wxEVENT_PROPERTY( Select , wxEVT_COMMAND_LISTBOX_SELECTED , wxCommandEvent )
+    wxEVENT_PROPERTY( DoubleClick , wxEVT_COMMAND_LISTBOX_DOUBLECLICKED , wxCommandEvent )
+
+    wxPROPERTY( Font , wxFont , SetFont , GetFont  , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY_COLLECTION( Choices , wxArrayString , wxString , AppendString , GetStrings, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+    wxPROPERTY( Selection ,int, SetSelection, GetSelection, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+    wxPROPERTY_FLAGS( WindowStyle , wxListBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+wxEND_PROPERTIES_TABLE()
+
+wxBEGIN_HANDLERS_TABLE(wxListBox)
+wxEND_HANDLERS_TABLE()
+
+wxCONSTRUCTOR_4( wxListBox , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size )
+#else

 IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
 IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)

+#endif
+
+/*
+TODO PROPERTIES
+    selection
+    content
+        item
+*/

 
 // ============================================================================
 // list box item declaration and implementation
 
 // ============================================================================
 // list box item declaration and implementation


@@ -63,7 +127,7 @@ public:
     wxListBoxItem(const wxString& str = wxEmptyString);
 };
 
     wxListBoxItem(const wxString& str = wxEmptyString);
 };
 

-wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE)
+wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, false)

 {
     // no bitmaps/checkmarks
     SetMarginWidth(0);
 {
     // no bitmaps/checkmarks
     SetMarginWidth(0);


@@ -101,101 +165,91 @@ bool wxListBox::Create(wxWindow *parent,
                        const wxString& name)
 {
     m_noItems = 0;
                        const wxString& name)
 {
     m_noItems = 0;

-    m_hWnd = 0;

     m_selected = 0;
 
     m_selected = 0;
 

-    SetName(name);
-#if wxUSE_VALIDATORS
-    SetValidator(validator);
-#endif // wxUSE_VALIDATORS
-
-    if (parent)
-        parent->AddChild(this);
-
-    SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
-    SetForegroundColour(parent->GetForegroundColour());
+    // initialize base class fields
+    if ( !CreateControl(parent, id, pos, size, style, validator, name) )
+        return false;

 
 

-    m_windowId = ( id == -1 ) ? (int)NewControlId() : id;
-
-    int x = pos.x;
-    int y = pos.y;
-    int width = size.x;
-    int height = size.y;
-    m_windowStyle = style;
+    // create the native control
+    if ( !MSWCreateControl(_T("LISTBOX"), wxEmptyString, pos, size) )
+    {
+        // control creation failed
+        return false;
+    }

 
 

-    DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_VSCROLL | WS_TABSTOP |
-                   LBS_NOTIFY | LBS_HASSTRINGS ;
+    // initialize the contents
+    for ( int i = 0; i < n; i++ )
+    {
+        Append(choices[i]);
+    }

 
 

-    wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED),
-                  _T("only one of listbox selection modes can be specified") );
+    // now we can compute our best size correctly, so do it if necessary
+    SetBestSize(size);

 
 

-    if ( (m_windowStyle & wxBORDER_MASK) == wxBORDER_DEFAULT )
-        m_windowStyle |= wxBORDER_SUNKEN;
+    return true;
+}

 
 

-    if ( m_windowStyle & wxCLIP_SIBLINGS )
-        wstyle |= WS_CLIPSIBLINGS;
+bool wxListBox::Create(wxWindow *parent,
+                       wxWindowID id,
+                       const wxPoint& pos,
+                       const wxSize& size,
+                       const wxArrayString& choices,
+                       long style,
+                       const wxValidator& validator,
+                       const wxString& name)
+{
+    wxCArrayString chs(choices);
+    return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
+                  style, validator, name);
+}

 
 

-    if (m_windowStyle & wxLB_MULTIPLE)
-        wstyle |= LBS_MULTIPLESEL;
-    else if (m_windowStyle & wxLB_EXTENDED)
-        wstyle |= LBS_EXTENDEDSEL;
+wxListBox::~wxListBox()
+{
+    Free();
+}

 
 

-    if (m_windowStyle & wxLB_ALWAYS_SB)
-        wstyle |= LBS_DISABLENOSCROLL;
-    if (m_windowStyle & wxLB_HSCROLL)
-        wstyle |= WS_HSCROLL;
-    if (m_windowStyle & wxLB_SORT)
-        wstyle |= LBS_SORT;
+WXDWORD wxListBox::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+    WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);

 
 

-#if wxUSE_OWNER_DRAWN
-    if ( m_windowStyle & wxLB_OWNERDRAW ) {
-        // we don't support LBS_OWNERDRAWVARIABLE yet
-        wstyle |= LBS_OWNERDRAWFIXED;
-    }
-#endif
+    // always show the vertical scrollbar if necessary -- otherwise it is
+    // impossible to use the control with the mouse
+    msStyle |= WS_VSCROLL;

 
 

-    // Without this style, you get unexpected heights, so e.g. constraint layout
-    // doesn't work properly
-    wstyle |= LBS_NOINTEGRALHEIGHT;
+    // we always want to get the notifications
+    msStyle |= LBS_NOTIFY;

 
 

-    WXDWORD exStyle = 0;
-    (void) MSWGetStyle(style, & exStyle) ;
+    // without this style, you get unexpected heights, so e.g. constraint
+    // layout doesn't work properly
+    msStyle |= LBS_NOINTEGRALHEIGHT;

 
 

-    m_hWnd = (WXHWND)::CreateWindowEx(exStyle, wxT("LISTBOX"), NULL,
-            wstyle ,
-            0, 0, 0, 0,
-            (HWND)parent->GetHWND(), (HMENU)m_windowId,
-            wxGetInstance(), NULL);
+    wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED),
+                  _T("only one of listbox selection modes can be specified") );

 
 

-    wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create listbox") );
+    if ( style & wxLB_MULTIPLE )
+        msStyle |= LBS_MULTIPLESEL;
+    else if ( style & wxLB_EXTENDED )
+        msStyle |= LBS_EXTENDEDSEL;

 
 

-    // Subclass again to catch messages
-    SubclassWin(m_hWnd);
+    if ( m_windowStyle & wxLB_ALWAYS_SB )
+        msStyle |= LBS_DISABLENOSCROLL;
+    if ( m_windowStyle & wxLB_HSCROLL )
+        msStyle |= WS_HSCROLL;
+    if ( m_windowStyle & wxLB_SORT )
+        msStyle |= LBS_SORT;

 
 

-    size_t ui;
-    for (ui = 0; ui < (size_t)n; ui++) {
-        Append(choices[ui]);
+#if wxUSE_OWNER_DRAWN && !defined(__WXWINCE__)
+    if ( m_windowStyle & wxLB_OWNERDRAW )
+    {
+        // we don't support LBS_OWNERDRAWVARIABLE yet and we also always put
+        // the strings in the listbox for simplicity even though we could have
+        // avoided it in this case
+        msStyle |= LBS_OWNERDRAWFIXED | LBS_HASSTRINGS;

     }
     }

+#endif // wxUSE_OWNER_DRAWN

 
 

-    if ( (m_windowStyle & wxLB_MULTIPLE) == 0 )
-        SendMessage(GetHwnd(), LB_SETCURSEL, 0, 0);
-
-    SetFont(parent->GetFont());
-
-    SetSize(x, y, width, height);
-
-    return TRUE;
-}
-
-wxListBox::~wxListBox()
-{
-    Free();
-}
-
-void wxListBox::SetupColours()
-{
-    SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
-    SetForegroundColour(GetParent()->GetForegroundColour());
+    return msStyle;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -233,6 +287,8 @@ void wxListBox::Delete(int N)
 
 int wxListBox::DoAppend(const wxString& item)
 {
 
 int wxListBox::DoAppend(const wxString& item)
 {

+    InvalidateBestSize();
+

     int index = ListBox_AddString(GetHwnd(), item);
     m_noItems++;
 
     int index = ListBox_AddString(GetHwnd(), item);
     m_noItems++;
 


@@ -336,7 +392,8 @@ void wxListBox::Free()
 
 void wxListBox::SetSelection(int N, bool select)
 {
 
 void wxListBox::SetSelection(int N, bool select)
 {

-    wxCHECK_RET( N >= 0 && N < m_noItems,
+    wxCHECK_RET( N == wxNOT_FOUND ||
+                    (N >= 0 && N < m_noItems),

                  wxT("invalid index in wxListBox::SetSelection") );
 
     if ( HasMultipleSelection() )
                  wxT("invalid index in wxListBox::SetSelection") );
 
     if ( HasMultipleSelection() )


@@ -351,10 +408,10 @@ void wxListBox::SetSelection(int N, bool select)
 
 bool wxListBox::IsSelected(int N) const
 {
 
 bool wxListBox::IsSelected(int N) const
 {

-    wxCHECK_MSG( N >= 0 && N < m_noItems, FALSE,
+    wxCHECK_MSG( N >= 0 && N < m_noItems, false,

                  wxT("invalid index in wxListBox::Selected") );
 
                  wxT("invalid index in wxListBox::Selected") );
 

-    return SendMessage(GetHwnd(), LB_GETSEL, N, 0) == 0 ? FALSE : TRUE;
+    return SendMessage(GetHwnd(), LB_GETSEL, N, 0) == 0 ? false : true;

 }
 
 wxClientData* wxListBox::DoGetItemClientObject(int n) const
 }
 
 wxClientData* wxListBox::DoGetItemClientObject(int n) const


@@ -456,8 +513,7 @@ wxString wxListBox::GetString(int N) const
 
     // +1 for terminating NUL
     wxString result;
 
     // +1 for terminating NUL
     wxString result;

-    ListBox_GetText(GetHwnd(), N, result.GetWriteBuf(len + 1));
-    result.UngetWriteBuf();
+    ListBox_GetText(GetHwnd(), N, wxStringBuffer(result, len + 1));

 
     return result;
 }
 
     return result;
 }


@@ -468,6 +524,8 @@ wxListBox::DoInsertItems(const wxArrayString& items, int pos)
     wxCHECK_RET( pos >= 0 && pos <= m_noItems,
                  wxT("invalid index in wxListBox::InsertItems") );
 
     wxCHECK_RET( pos >= 0 && pos <= m_noItems,
                  wxT("invalid index in wxListBox::InsertItems") );
 

+    InvalidateBestSize();
+

     int nItems = items.GetCount();
     for ( int i = 0; i < nItems; i++ )
     {
     int nItems = items.GetCount();
     for ( int i = 0; i < nItems; i++ )
     {


@@ -483,6 +541,8 @@ wxListBox::DoInsertItems(const wxArrayString& items, int pos)
 
             ListBox_SetItemData(GetHwnd(), idx, pNewItem);
         }
 
             ListBox_SetItemData(GetHwnd(), idx, pNewItem);
         }

+#else
+        wxUnusedVar(idx);

 #endif // wxUSE_OWNER_DRAWN
     }
 
 #endif // wxUSE_OWNER_DRAWN
     }
 


@@ -521,10 +581,6 @@ void wxListBox::SetString(int N, const wxString& s)
     else if ( oldObjData )
         SetClientObject(N, oldObjData);
 
     else if ( oldObjData )
         SetClientObject(N, oldObjData);
 

-    // we may have lost the selection
-    if ( wasSelected )
-        Select(N);
-

 #if wxUSE_OWNER_DRAWN
     if ( m_windowStyle & wxLB_OWNERDRAW )
     {
 #if wxUSE_OWNER_DRAWN
     if ( m_windowStyle & wxLB_OWNERDRAW )
     {


@@ -535,6 +591,10 @@ void wxListBox::SetString(int N, const wxString& s)
         ListBox_SetItemData(GetHwnd(), N, m_aItems[N]);
     }
 #endif  //USE_OWNER_DRAWN
         ListBox_SetItemData(GetHwnd(), N, m_aItems[N]);
     }
 #endif  //USE_OWNER_DRAWN

+
+    // we may have lost the selection
+    if ( wasSelected )
+        Select(N);

 }
 
 int wxListBox::GetCount() const
 }
 
 int wxListBox::GetCount() const


@@ -585,13 +645,15 @@ void wxListBox::SetHorizontalExtent(const wxString& s)
             oldFont = (HFONT) ::SelectObject(dc, (HFONT) GetFont().GetResourceHandle());
 
         GetTextMetrics(dc, &lpTextMetric);
             oldFont = (HFONT) ::SelectObject(dc, (HFONT) GetFont().GetResourceHandle());
 
         GetTextMetrics(dc, &lpTextMetric);

-        int i;
-        for (i = 0; i < m_noItems; i++)
+
+        // FIXME: buffer overflow!!
+        wxChar buf[1024];
+        for (int i = 0; i < m_noItems; i++)

         {
         {

-            int len = (int)SendMessage(GetHwnd(), LB_GETTEXT, i, (LONG)wxBuffer);
-            wxBuffer[len] = 0;
+            int len = (int)SendMessage(GetHwnd(), LB_GETTEXT, i, (LPARAM)buf);
+            buf[len] = 0;

             SIZE extentXY;
             SIZE extentXY;

-            ::GetTextExtentPoint(dc, (LPTSTR)wxBuffer, len, &extentXY);
+            ::GetTextExtentPoint(dc, buf, len, &extentXY);

             int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
             if (extentX > largestExtent)
                 largestExtent = extentX;
             int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
             if (extentX > largestExtent)
                 largestExtent = extentX;


@@ -624,7 +686,7 @@ wxSize wxListBox::DoGetBestSize() const
 
     // the listbox should be slightly larger than the widest string
     int cx, cy;
 
     // the listbox should be slightly larger than the widest string
     int cx, cy;

-    wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+    wxGetCharSize(GetHWND(), &cx, &cy, GetFont());

 
     wListbox += 3*cx;
 
 
     wListbox += 3*cx;
 


@@ -654,7 +716,7 @@ bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
     else
     {
         // some event we're not interested in
     else
     {
         // some event we're not interested in

-        return FALSE;
+        return false;

     }
 
     wxCommandEvent event(evtType, m_windowId);
     }
 
     wxCommandEvent event(evtType, m_windowId);


@@ -670,7 +732,7 @@ bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
             event.SetClientData( GetClientData(n) );
 
         event.SetString( GetString(n) );
             event.SetClientData( GetClientData(n) );
 
         event.SetString( GetString(n) );

-        event.SetExtraLong( HasMultipleSelection() ? IsSelected(n) : TRUE );
+        event.SetExtraLong( HasMultipleSelection() ? IsSelected(n) : true );

     }
 
     event.m_commandInt = n;
     }
 
     event.m_commandInt = n;


@@ -699,15 +761,19 @@ bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
 bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
 {
     // only owner-drawn control should receive this message
 bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
 {
     // only owner-drawn control should receive this message

-    wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE );
+    wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), false );

 
     MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item;
 
 
     MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item;
 

+#ifdef __WXWINCE__
+    HDC hdc = GetDC(NULL);
+#else

     HDC hdc = CreateIC(wxT("DISPLAY"), NULL, NULL, 0);
     HDC hdc = CreateIC(wxT("DISPLAY"), NULL, NULL, 0);

+#endif

 
     wxDC dc;
     dc.SetHDC((WXHDC)hdc);
 
     wxDC dc;
     dc.SetHDC((WXHDC)hdc);

-    dc.SetFont(wxSystemSettings::GetFont(wxSYS_ANSI_VAR_FONT));
+    dc.SetFont(GetFont());

 
     pStruct->itemHeight = dc.GetCharHeight() + 2*OWNER_DRAWN_LISTBOX_EXTRA_SPACE;
     pStruct->itemWidth  = dc.GetCharWidth();
 
     pStruct->itemHeight = dc.GetCharHeight() + 2*OWNER_DRAWN_LISTBOX_EXTRA_SPACE;
     pStruct->itemWidth  = dc.GetCharWidth();


@@ -716,31 +782,32 @@ bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
 
     DeleteDC(hdc);
 
 
     DeleteDC(hdc);
 

-    return TRUE;
+    return true;

 }
 
 // forward the message to the appropriate item
 bool wxListBox::MSWOnDraw(WXDRAWITEMSTRUCT *item)
 {
     // only owner-drawn control should receive this message
 }
 
 // forward the message to the appropriate item
 bool wxListBox::MSWOnDraw(WXDRAWITEMSTRUCT *item)
 {
     // only owner-drawn control should receive this message

-    wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE );
+    wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), false );

 
     DRAWITEMSTRUCT *pStruct = (DRAWITEMSTRUCT *)item;
     UINT itemID = pStruct->itemID;
 
     // the item may be -1 for an empty listbox
     if ( itemID == (UINT)-1 )
 
     DRAWITEMSTRUCT *pStruct = (DRAWITEMSTRUCT *)item;
     UINT itemID = pStruct->itemID;
 
     // the item may be -1 for an empty listbox
     if ( itemID == (UINT)-1 )

-        return FALSE;
+        return false;

 
     long data = ListBox_GetItemData(GetHwnd(), pStruct->itemID);
 
 
     long data = ListBox_GetItemData(GetHwnd(), pStruct->itemID);
 

-    wxCHECK( data && (data != LB_ERR), FALSE );
+    wxCHECK( data && (data != LB_ERR), false );

 
     wxListBoxItem *pItem = (wxListBoxItem *)data;
 
     wxDCTemp dc((WXHDC)pStruct->hDC);
 
     wxListBoxItem *pItem = (wxListBoxItem *)data;
 
     wxDCTemp dc((WXHDC)pStruct->hDC);

-    wxRect rect(wxPoint(pStruct->rcItem.left, pStruct->rcItem.top),
-                wxPoint(pStruct->rcItem.right, pStruct->rcItem.bottom));
+    wxPoint pt1(pStruct->rcItem.left, pStruct->rcItem.top);
+    wxPoint pt2(pStruct->rcItem.right, pStruct->rcItem.bottom);
+    wxRect rect(pt1, pt2);

 
     return pItem->OnDrawItem(dc, rect,
                              (wxOwnerDrawn::wxODAction)pStruct->itemAction,
 
     return pItem->OnDrawItem(dc, rect,
                              (wxOwnerDrawn::wxODAction)pStruct->itemAction,