Simplify the version information resource definition a little.

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

diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp
index 711d73cf0055300dab44a7457d02ec68053b5b58..e8191c5a55cb555fb5f38840c50945d190ff496d 100644 (file)
--- a/src/msw/listbox.cpp
+++ b/src/msw/listbox.cpp
@@ -1,52 +1,43 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        listbox.cpp
+// Name:        src/msw/listbox.cpp

 // Purpose:     wxListBox
 // Author:      Julian Smart
 // Modified by: Vadim Zeitlin (owner drawn stuff)
 // Purpose:     wxListBox
 // Author:      Julian Smart
 // Modified by: Vadim Zeitlin (owner drawn stuff)

-// Created:     
+// Created:

 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 ///////////////////////////////////////////////////////////////////////////////
 

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

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__

-#pragma hdrstop
+    #pragma hdrstop

 #endif
 
 #endif
 

-#ifndef WX_PRECOMP
+#if wxUSE_LISTBOX
+

 #include "wx/listbox.h"
 #include "wx/listbox.h"

-#include "wx/settings.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/dynarray.h"
+    #include "wx/settings.h"
+    #include "wx/brush.h"
+    #include "wx/font.h"
+    #include "wx/dc.h"
+    #include "wx/utils.h"
+    #include "wx/log.h"
+    #include "wx/window.h"

 #endif
 
 #include "wx/msw/private.h"
 #endif
 
 #include "wx/msw/private.h"

+#include "wx/msw/dc.h"

 
 

-#include <windows.h>

 #include <windowsx.h>
 
 #include <windowsx.h>
 

-#ifdef __GNUWIN32__
-#include <wx/msw/gnuwin32/extra.h>
-#endif
-
-#ifdef GetCharWidth
-#undef GetCharWidth
-#endif
-

 #if wxUSE_OWNER_DRAWN
 #if wxUSE_OWNER_DRAWN

-  #include  "wx/ownerdrw.h"
-#endif
-
-#include "wx/dynarray.h"
-#include "wx/log.h"
-
-#if !USE_SHARED_LIBRARY
-  IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
+    #include  "wx/ownerdrw.h"

 #endif
 
 // ============================================================================
 #endif
 
 // ============================================================================


@@ -58,18 +49,25 @@
 class wxListBoxItem : public wxOwnerDrawn
 {
 public:
 class wxListBoxItem : public wxOwnerDrawn
 {
 public:

-  wxListBoxItem(const wxString& str = "");
-};
+    wxListBoxItem(wxListBox *parent)
+        { m_parent = parent; }

 
 

-wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE) 
-{
-  // no bitmaps/checkmarks
-  SetMarginWidth(0);
-}
+    wxListBox *GetParent() const
+        { return m_parent; }
+
+    int GetIndex() const
+        { return m_parent->GetItemIndex(const_cast<wxListBoxItem*>(this)); }
+
+    wxString GetName() const
+        { return m_parent->GetString(GetIndex()); }

 
 

-wxOwnerDrawn *wxListBox::CreateItem(size_t n)
+private:
+    wxListBox *m_parent;
+};
+
+wxOwnerDrawn *wxListBox::CreateLboxItem(size_t WXUNUSED(n))

 {
 {

-  return new wxListBoxItem();
+    return new wxListBoxItem(this);

 }
 
 #endif  //USE_OWNER_DRAWN
 }
 
 #endif  //USE_OWNER_DRAWN


@@ -78,744 +76,674 @@ wxOwnerDrawn *wxListBox::CreateItem(size_t n)
 // list box control implementation
 // ============================================================================
 
 // list box control implementation
 // ============================================================================
 

-// this macro is dangerous but still better than tons of (HWND)GetHWND()
-#define   hwnd    (HWND)GetHWND()
+// ----------------------------------------------------------------------------
+// creation
+// ----------------------------------------------------------------------------

 
 

-bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
+void wxListBox::Init()

 {
 {

-/*
-  if (param == LBN_SELCANCEL)
-  {
-    event.extraLong = FALSE;
-  }
-*/
-  if (param == LBN_SELCHANGE)
-  {
-    wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId);
-    wxArrayInt aSelections;
-    int count = GetSelections(aSelections);
-    if ( count > 0 )
-    {
-      event.m_commandInt = aSelections[0] ;
-      event.m_clientData = GetClientData(event.m_commandInt);
-      wxString str(GetString(event.m_commandInt));
-      if (str != "")
-        event.m_commandString = copystring((char *)(const char *)str);
-    }
-    else
+    m_noItems = 0;
+    m_updateHorizontalExtent = false;
+}
+
+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)
+{
+    // initialize base class fields
+    if ( !CreateControl(parent, id, pos, size, style, validator, name) )
+        return false;
+
+    // create the native control
+    if ( !MSWCreateControl(wxT("LISTBOX"), wxEmptyString, pos, size) )

     {
     {

-      event.m_commandInt = -1 ;
-      event.m_commandString = copystring("") ;
+        // control creation failed
+        return false;

     }
 
     }
 

-    event.SetEventObject( this );
-    ProcessCommand(event);
-    if (event.m_commandString)
-      delete[] event.m_commandString ;
-    return TRUE;
-  }
-  else if (param == LBN_DBLCLK)
-  {
-    wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId);
-    event.SetEventObject( this );
-    GetEventHandler()->ProcessEvent(event) ;
-    return TRUE;
-/*
+    // initialize the contents
+    for ( int i = 0; i < n; i++ )

     {
     {

-#if WXWIN_COMPATIBILITY
-      wxWindow *parent = (wxWindow *)GetParent();
-      if (parent)
-        parent->GetEventHandler()->OnDefaultAction(this);
-#endif
-      return TRUE;
+        Append(choices[i]);

     }
     }

- */
-  }
-  return FALSE;
-}

 
 

-// Listbox item
-wxListBox::wxListBox(void)
-{
-  m_noItems = 0;
-  m_selected = 0;
+    // now we can compute our best size correctly, so do it again
+    SetInitialSize(size);
+
+    return true;

 }
 
 }
 

-bool wxListBox::Create(wxWindow *parent, wxWindowID id,
+bool wxListBox::Create(wxWindow *parent,
+                       wxWindowID id,

                        const wxPoint& pos,
                        const wxSize& size,
                        const wxPoint& pos,
                        const wxSize& size,

-                       int n, const wxString choices[],
+                       const wxArrayString& choices,

                        long style,
                        const wxValidator& validator,
                        const wxString& name)
 {
                        long style,
                        const wxValidator& validator,
                        const wxString& name)
 {

-  m_noItems = n;
-  m_hWnd = 0;
-  m_selected = 0;
+    wxCArrayString chs(choices);
+    return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
+                  style, validator, name);
+}

 
 

-  SetName(name);
-  SetValidator(validator);
+wxListBox::~wxListBox()
+{
+    Clear();
+}

 
 

-  if (parent) parent->AddChild(this);
+WXDWORD wxListBox::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+    WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);

 
 

-  wxSystemSettings settings;
-  SetBackgroundColour(settings.GetSystemColour(wxSYS_COLOUR_WINDOW));
-  SetForegroundColour(parent->GetForegroundColour());
+    // we always want to get the notifications
+    msStyle |= LBS_NOTIFY;

 
 

-  m_windowId = ( id == -1 ) ? (int)NewControlId() : id;
+    // without this style, you get unexpected heights, so e.g. constraint
+    // layout doesn't work properly
+    msStyle |= LBS_NOINTEGRALHEIGHT;

 
 

-  int x = pos.x;
-  int y = pos.y;
-  int width = size.x;
-  int height = size.y;
-  m_windowStyle = style;
+    wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED),
+                  wxT("only one of listbox selection modes can be specified") );

 
 

-  DWORD wstyle = WS_VSCROLL | WS_TABSTOP | LBS_NOTIFY | LBS_HASSTRINGS;
-  if (m_windowStyle & wxLB_MULTIPLE)
-    wstyle |= LBS_MULTIPLESEL;
-  else if (m_windowStyle & wxLB_EXTENDED)
-    wstyle |= LBS_EXTENDEDSEL;
+    if ( style & wxLB_MULTIPLE )
+        msStyle |= LBS_MULTIPLESEL;
+    else if ( style & wxLB_EXTENDED )
+        msStyle |= LBS_EXTENDEDSEL;

 
 

-  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;
+    wxASSERT_MSG( !(style & wxLB_ALWAYS_SB) || !(style & wxLB_NO_SB),
+                  wxT( "Conflicting styles wxLB_ALWAYS_SB and wxLB_NO_SB." ) );

 
 

-#if wxUSE_OWNER_DRAWN
-    if ( m_windowStyle & wxLB_OWNERDRAW ) {
-      // we don't support LBS_OWNERDRAWVARIABLE yet
-      wstyle |= LBS_OWNERDRAWFIXED;
+    if ( !(style & wxLB_NO_SB) )
+    {
+        msStyle |= WS_VSCROLL;
+        if ( style & wxLB_ALWAYS_SB )
+            msStyle |= LBS_DISABLENOSCROLL;

     }
     }

-#endif
-  // Without this style, you get unexpected heights, so e.g. constraint layout
-  // doesn't work properly
-  wstyle |= LBS_NOINTEGRALHEIGHT;
-
-  bool want3D;
-  WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
-
-  // Even with extended styles, need to combine with WS_BORDER
-  // for them to look right.
-  if ( want3D || (m_windowStyle & wxSIMPLE_BORDER)
-              || (m_windowStyle & wxRAISED_BORDER)
-              || (m_windowStyle & wxSUNKEN_BORDER)
-              || (m_windowStyle & wxDOUBLE_BORDER) ) {
-    wstyle |= WS_BORDER;
-  }
-
-  HWND wx_list = CreateWindowEx(exStyle, "LISTBOX", NULL,
-                                wstyle | WS_CHILD,
-                                0, 0, 0, 0, 
-                                (HWND)parent->GetHWND(), (HMENU)m_windowId,
-                                wxGetInstance(), NULL);
-
-  m_hWnd = (WXHWND)wx_list;
-
-#if CTL3D
-  if (want3D)
-  {
-    Ctl3dSubclassCtl(wx_list);
-    m_useCtl3D = TRUE;
-  }
-#endif

 
 

-  // Subclass again to catch messages
-  SubclassWin((WXHWND)wx_list);
+    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++) {
-    SendMessage(wx_list, LB_ADDSTRING, 0, (LPARAM)(const char *)choices[ui]);
-  }
-
-#if wxUSE_OWNER_DRAWN
-    if ( m_windowStyle & wxLB_OWNERDRAW ) {
-      for (ui = 0; ui < (size_t)n; ui++) {
-        // create new item which will process WM_{DRAW|MEASURE}ITEM messages
-        wxOwnerDrawn *pNewItem = CreateItem(ui);
-        pNewItem->SetName(choices[ui]);
-        m_aItems.Add(pNewItem);
-        ListBox_SetItemData(wx_list, ui, pNewItem);
-      }
+#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
-
-  if ((m_windowStyle & wxLB_MULTIPLE) == 0)
-    SendMessage(wx_list, LB_SETCURSEL, 0, 0);
-
-  SetFont(* parent->GetFont());
+#endif // wxUSE_OWNER_DRAWN

 
 

-  SetSize(x, y, width, height);
-
-  ShowWindow(wx_list, SW_SHOW);
-
-  return TRUE;
+    return msStyle;

 }
 
 }
 

-wxListBox::~wxListBox(void)
+void wxListBox::OnInternalIdle()

 {
 {

-#if wxUSE_OWNER_DRAWN
-    size_t uiCount = m_aItems.Count();
-    while ( uiCount-- != 0 ) {
-      delete m_aItems[uiCount];
-    }
-#endif
-}
+    wxWindow::OnInternalIdle();

 
 

-void wxListBox::SetupColours(void)
-{
-  SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
-  SetForegroundColour(GetParent()->GetForegroundColour());
+    if (m_updateHorizontalExtent)
+    {
+        SetHorizontalExtent(wxEmptyString);
+        m_updateHorizontalExtent = false;
+    }

 }
 
 }
 

-void wxListBox::SetFirstItem(int N)
+void wxListBox::MSWOnItemsChanged()

 {
 {

-  SendMessage(hwnd,LB_SETTOPINDEX,(WPARAM)N,(LPARAM)0) ;
-}
+    // we need to do two things when items change: update their max horizontal
+    // extent so that horizontal scrollbar could be shown or hidden as
+    // appropriate and also invlaidate the best size
+    //
+    // updating the max extent is slow (it's an O(N) operation) and so we defer
+    // it until the idle time but the best size should be invalidated
+    // immediately doing it in idle time is too late -- layout using incorrect
+    // old best size will have been already done by then

 
 

-void wxListBox::SetFirstItem(const wxString& s)
-{
-  int N = FindString(s) ;
+    m_updateHorizontalExtent = true;

 
 

-  if (N>=0)
-    SetFirstItem(N) ;
+    InvalidateBestSize();

 }
 
 }
 

-void wxListBox::Delete(int N)
+// ----------------------------------------------------------------------------
+// implementation of wxListBoxBase methods
+// ----------------------------------------------------------------------------
+
+void wxListBox::DoSetFirstItem(int N)

 {
 {

-  SendMessage(hwnd, LB_DELETESTRING, N, 0);
-  m_noItems --;
-  SetHorizontalExtent("");
+    wxCHECK_RET( IsValid(N),
+                 wxT("invalid index in wxListBox::SetFirstItem") );
+
+    SendMessage(GetHwnd(), LB_SETTOPINDEX, (WPARAM)N, (LPARAM)0);

 }
 
 }
 

-void wxListBox::Append(const wxString& item)
+void wxListBox::DoDeleteOneItem(unsigned int n)

 {
 {

-  int index = ListBox_AddString(hwnd, item);
-  m_noItems ++;
+    wxCHECK_RET( IsValid(n),
+                 wxT("invalid index in wxListBox::Delete") );

 
 #if wxUSE_OWNER_DRAWN
 
 #if wxUSE_OWNER_DRAWN

-    if ( m_windowStyle & wxLB_OWNERDRAW ) {
-      wxOwnerDrawn *pNewItem = CreateItem(-1); // dummy argument
-      pNewItem->SetName(item);
-      m_aItems.Add(pNewItem);
-      ListBox_SetItemData(hwnd, index, pNewItem);
+    if ( HasFlag(wxLB_OWNERDRAW) )
+    {
+        delete m_aItems[n];
+        m_aItems.RemoveAt(n);

     }
     }

-#endif
+#endif // wxUSE_OWNER_DRAWN
+
+    SendMessage(GetHwnd(), LB_DELETESTRING, n, 0);
+    m_noItems--;
+
+    MSWOnItemsChanged();

 
 

-  SetHorizontalExtent(item);
+    UpdateOldSelections();

 }
 
 }
 

-void wxListBox::Append(const wxString& item, char *Client_data)
+int wxListBox::FindString(const wxString& s, bool bCase) const

 {
 {

-  int index = ListBox_AddString(hwnd, item);
-  m_noItems ++;
+    // back to base class search for not native search type
+    if (bCase)
+       return wxItemContainerImmutable::FindString( s, bCase );

 
 

-#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("Can't use client data with owner-drawn listboxes");
-    }
+    int pos = ListBox_FindStringExact(GetHwnd(), -1, s.t_str());
+    if (pos == LB_ERR)
+        return wxNOT_FOUND;

     else
     else

-#endif
-      ListBox_SetItemData(hwnd, index, Client_data);
-
-  SetHorizontalExtent(item);
+        return pos;

 }
 
 }
 

-void wxListBox::Set(int n, const wxString *choices, char** clientData)
+void wxListBox::DoClear()

 {
 {

-  ShowWindow(hwnd, SW_HIDE);
-  ListBox_ResetContent(hwnd);
-  int i;
-  for (i = 0; i < n; i++)
-  {
-    ListBox_AddString(hwnd, choices[i]);
-    if ( clientData )
-      ListBox_SetItemData(hwnd, i, clientData[i]);
-  }
-  m_noItems = n;
-

 #if wxUSE_OWNER_DRAWN
 #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)n; ui++) {
-        wxOwnerDrawn *pNewItem = CreateItem(ui);
-        pNewItem->SetName(choices[ui]);
-        m_aItems.Add(pNewItem);
-        ListBox_SetItemData(hwnd, ui, pNewItem);
-
-        wxASSERT_MSG(clientData[ui] == NULL,
-                     "Can't use client data with owner-drawn listboxes");
-      }
+    if ( HasFlag(wxLB_OWNERDRAW) )
+    {
+        WX_CLEAR_ARRAY(m_aItems);

     }
     }

-#endif
+#endif // wxUSE_OWNER_DRAWN

 
 

-  SetHorizontalExtent("");
-  ShowWindow(hwnd, SW_SHOW);
-}
+    ListBox_ResetContent(GetHwnd());

 
 

-int wxListBox::FindString(const wxString& s) const
-{
- int pos = ListBox_FindStringExact(hwnd, (WPARAM)-1, s);
- if (pos == LB_ERR)
-   return -1;
- else
-   return pos;
+    m_noItems = 0;
+    MSWOnItemsChanged();
+
+    UpdateOldSelections();

 }
 
 }
 

-void wxListBox::Clear(void)
+void wxListBox::DoSetSelection(int N, bool select)

 {
 {

-  ListBox_ResetContent(hwnd);
+    wxCHECK_RET( N == wxNOT_FOUND || IsValid(N),
+                 wxT("invalid index in wxListBox::SetSelection") );

 
 

-  m_noItems = 0;
-  ListBox_GetHorizontalExtent(hwnd);
-}
+    if ( HasMultipleSelection() )
+    {
+        // Setting selection to -1 should deselect everything.
+        const bool deselectAll = N == wxNOT_FOUND;
+        SendMessage(GetHwnd(), LB_SETSEL,
+                    deselectAll ? FALSE : select,
+                    deselectAll ? -1 : N);
+    }
+    else
+    {
+        SendMessage(GetHwnd(), LB_SETCURSEL, select ? N : -1, 0);
+    }

 
 

-void wxListBox::SetSelection(int N, bool select)
-{
-  if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED))
-    SendMessage(hwnd, LB_SETSEL, select, N);
-  else
-  {
-    int N1 = N;
-    if (!select)
-        N1 = -1;
-    SendMessage(hwnd, LB_SETCURSEL, N1, 0);
-  }
+    UpdateOldSelections();

 }
 
 }
 

-bool wxListBox::Selected(int N) const
+bool wxListBox::IsSelected(int N) const

 {
 {

-  return SendMessage(hwnd, LB_GETSEL, N, 0) == 0 ? FALSE : TRUE;
-}
+    wxCHECK_MSG( IsValid(N), false,
+                 wxT("invalid index in wxListBox::Selected") );

 
 

-void wxListBox::Deselect(int N)
-{
-  if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED))
-    SendMessage(hwnd, LB_SETSEL, FALSE, N);
+    return SendMessage(GetHwnd(), LB_GETSEL, N, 0) == 0 ? false : true;

 }
 
 }
 

-char *wxListBox::GetClientData(int N) const
+void *wxListBox::DoGetItemClientData(unsigned int n) const

 {
 {

-  return (char *)SendMessage(hwnd, LB_GETITEMDATA, N, 0);
+    LPARAM rc = SendMessage(GetHwnd(), LB_GETITEMDATA, n, 0);
+    if ( rc == LB_ERR && GetLastError() != ERROR_SUCCESS )
+    {
+        wxLogLastError(wxT("LB_GETITEMDATA"));
+
+        return NULL;
+    }
+
+    return (void *)rc;

 }
 
 }
 

-void wxListBox::SetClientData(int N, char *Client_data)
+void wxListBox::DoSetItemClientData(unsigned int n, void *clientData)

 {
 {

-  if ( ListBox_SetItemData(hwnd, N, Client_data) == LB_ERR )
-    wxLogDebug("LB_SETITEMDATA failed");
+    if ( ListBox_SetItemData(GetHwnd(), n, clientData) == LB_ERR )
+    {
+        wxLogDebug(wxT("LB_SETITEMDATA failed"));
+    }

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

-  aSelections.Empty();
-
-  if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED))
-  {
-    int no_sel = ListBox_GetSelCount(hwnd);
-    if (no_sel != 0) {
-      int *selections = new int[no_sel];
-      if ( ListBox_GetSelItems(hwnd, no_sel, selections) == LB_ERR ) {
-        wxFAIL_MSG("This listbox can't have single-selection style!");
-      }
-
-      aSelections.Alloc(no_sel);
-      for ( int n = 0; n < no_sel; n++ )
-        aSelections.Add(selections[n]);
+    aSelections.Empty();

 
 

-      delete [] selections;
+    if ( HasMultipleSelection() )
+    {
+        int countSel = ListBox_GetSelCount(GetHwnd());
+        if ( countSel == LB_ERR )
+        {
+            wxLogDebug(wxT("ListBox_GetSelCount failed"));
+        }
+        else if ( countSel != 0 )
+        {
+            int *selections = new int[countSel];
+
+            if ( ListBox_GetSelItems(GetHwnd(),
+                                     countSel, selections) == LB_ERR )
+            {
+                wxLogDebug(wxT("ListBox_GetSelItems failed"));
+                countSel = -1;
+            }
+            else
+            {
+                aSelections.Alloc(countSel);
+                for ( int n = 0; n < countSel; n++ )
+                    aSelections.Add(selections[n]);
+            }
+
+            delete [] selections;
+        }
+
+        return countSel;

     }
     }

+    else  // single-selection listbox
+    {
+        if (ListBox_GetCurSel(GetHwnd()) > -1)
+            aSelections.Add(ListBox_GetCurSel(GetHwnd()));

 
 

-    return no_sel;
-  }
-  else  // single-selection listbox
-  {
-    aSelections.Add(ListBox_GetCurSel(hwnd));
-
-    return 1;
-  }
+        return aSelections.Count();
+    }

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

-  wxCHECK_MSG( !(m_windowStyle & wxLB_MULTIPLE) && 
-               !(m_windowStyle & wxLB_EXTENDED), 
-               -1,
-               "GetSelection() can't be used with multiple-selection "
-               "listboxes, use GetSelections() instead." );
+    wxCHECK_MSG( !HasMultipleSelection(),
+                 -1,
+                 wxT("GetSelection() can't be used with multiple-selection listboxes, use GetSelections() instead.") );

 
 

-  return ListBox_GetCurSel(hwnd);
+    return ListBox_GetCurSel(GetHwnd());

 }
 
 // Find string for position
 }
 
 // Find string for position

-wxString wxListBox::GetString(int N) const
-{
-  if (N < 0 || N > m_noItems)
-    return wxString("");
-    
-  int len = (int)SendMessage(hwnd, LB_GETTEXT, N, (LONG)wxBuffer);
-  wxBuffer[len] = 0;
-  return wxString(wxBuffer);
+wxString wxListBox::GetString(unsigned int n) const
+{
+    wxCHECK_MSG( IsValid(n), wxEmptyString,
+                 wxT("invalid index in wxListBox::GetString") );
+
+    int len = ListBox_GetTextLen(GetHwnd(), n);
+
+    // +1 for terminating NUL
+    wxString result;
+    ListBox_GetText(GetHwnd(), n, (wxChar*)wxStringBuffer(result, len + 1));
+
+    return result;

 }
 
 }
 

-void wxListBox::SetSize(int x, int y, int width, int height, int sizeFlags)
+int wxListBox::DoInsertItems(const wxArrayStringsAdapter & items,
+                             unsigned int pos,
+                             void **clientData,
+                             wxClientDataType type)

 {
 {

-  int currentX, currentY;
-  GetPosition(&currentX, &currentY);
+    MSWAllocStorage(items, LB_INITSTORAGE);
+
+    const bool append = pos == GetCount();
+
+    // we must use CB_ADDSTRING when appending as only it works correctly for
+    // the sorted controls
+    const unsigned msg = append ? LB_ADDSTRING : LB_INSERTSTRING;
+
+    if ( append )
+        pos = 0;
+
+    int n = wxNOT_FOUND;
+
+    const unsigned int numItems = items.GetCount();
+    for ( unsigned int i = 0; i < numItems; i++ )
+    {
+        n = MSWInsertOrAppendItem(pos, items[i], msg);
+        if ( n == wxNOT_FOUND )
+            return n;
+
+        if ( !append )
+            pos++;
+
+        ++m_noItems;
+
+#if wxUSE_OWNER_DRAWN
+        if ( HasFlag(wxLB_OWNERDRAW) )
+        {
+            wxOwnerDrawn *pNewItem = CreateLboxItem(n);
+            pNewItem->SetFont(GetFont());
+            m_aItems.Insert(pNewItem, n);
+        }
+#endif // wxUSE_OWNER_DRAWN
+        AssignNewItemClientData(n, clientData, i, type);
+    }
+
+    MSWOnItemsChanged();

 
 

-  int x1 = x;
-  int y1 = y;
-  int w1 = width;
-  int h1 = height;
+    UpdateOldSelections();

 
 

-  if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
-    x1 = currentX;
-  if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
-    y1 = currentY;
+    return n;
+}

 
 

-  AdjustForParentClientOrigin(x1, y1, sizeFlags);
+int wxListBox::DoHitTestList(const wxPoint& point) const
+{
+    LRESULT lRes = ::SendMessage(GetHwnd(), LB_ITEMFROMPOINT,
+                                 0, MAKELPARAM(point.x, point.y));

 
 

-  // If we're prepared to use the existing size, then...
-  if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
-  {
-    GetSize(&w1, &h1);
-  }
+    // non zero high-order word means that this item is outside of the client
+    // area, IOW the point is outside of the listbox
+    return HIWORD(lRes) ? wxNOT_FOUND : LOWORD(lRes);
+}

 
 

-  int cx; // button font dimensions
-  int cy;
+void wxListBox::SetString(unsigned int n, const wxString& s)
+{
+    wxCHECK_RET( IsValid(n),
+                 wxT("invalid index in wxListBox::SetString") );

 
 

-  wxGetCharSize(GetHWND(), &cx, &cy,GetFont());
+    // remember the state of the item
+    bool wasSelected = IsSelected(n);

 
 

-  float control_width, control_height, control_x, control_y;
+    void *oldData = NULL;
+    wxClientData *oldObjData = NULL;
+    if ( HasClientUntypedData() )
+        oldData = GetClientData(n);
+    else if ( HasClientObjectData() )
+        oldObjData = GetClientObject(n);

 
 

-  // Deal with default size (using -1 values)
-  if (w1<=0)
-    w1 = DEFAULT_ITEM_WIDTH;
+    // delete and recreate it
+    SendMessage(GetHwnd(), LB_DELETESTRING, n, 0);

 
 

-  if (h1<=0)
-    h1 = DEFAULT_ITEM_HEIGHT;
+    int newN = n;
+    if ( n == (m_noItems - 1) )
+        newN = -1;

 
 

-  control_x = (float)x1;
-  control_y = (float)y1;
-  control_width = (float)w1;
-  control_height = (float)h1;
+    ListBox_InsertString(GetHwnd(), newN, s.t_str());

 
 

-  // Calculations may have made size too small
-  if (control_height <= 0)
-    control_height = (float)DEFAULT_ITEM_HEIGHT;
+    // restore the client data
+    if ( oldData )
+        SetClientData(n, oldData);
+    else if ( oldObjData )
+        SetClientObject(n, oldObjData);

 
 

-  if (control_width <= 0)
-    control_width = (float)DEFAULT_ITEM_WIDTH;
+    // we may have lost the selection
+    if ( wasSelected )
+        Select(n);

 
 

-//  wxDebugMsg("About to set the listbox height to %d", (int)control_height);
-  MoveWindow(hwnd, (int)control_x, (int)control_y,
-                   (int)control_width, (int)control_height, TRUE);
+    MSWOnItemsChanged();
+}

 
 

+unsigned int wxListBox::GetCount() const
+{
+    return m_noItems;

 }
 
 }
 

-// Windows-specific code to set the horizontal extent of
-// the listbox, if necessary. If s is non-NULL, it's
-// used to calculate the horizontal extent.
-// Otherwise, all strings are used.
+// ----------------------------------------------------------------------------
+// size-related stuff
+// ----------------------------------------------------------------------------
+

 void wxListBox::SetHorizontalExtent(const wxString& s)
 {
 void wxListBox::SetHorizontalExtent(const wxString& s)
 {

-  // Only necessary if we want a horizontal scrollbar
-  if (!(m_windowStyle & wxHSCROLL))
-    return;
-  TEXTMETRIC lpTextMetric;
+    // the rest is only necessary if we want a horizontal scrollbar
+    if ( !HasFlag(wxHSCROLL) )
+        return;

 
 

-  if (s != "")
-  {
-    int existingExtent = (int)SendMessage(hwnd, LB_GETHORIZONTALEXTENT, 0, 0L);
-    HDC dc = GetWindowDC(hwnd);
-    HFONT oldFont = 0;
-    if (GetFont() && GetFont()->GetResourceHandle())
-      oldFont = (HFONT) ::SelectObject(dc, (HFONT) GetFont()->GetResourceHandle());

 
 

-    GetTextMetrics(dc, &lpTextMetric);
-    SIZE extentXY;
-    ::GetTextExtentPoint(dc, (LPSTR) (const char *)s, s.Length(), &extentXY);
-    int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
-    
-    if (oldFont)
-      ::SelectObject(dc, oldFont);
-
-    ReleaseDC(hwnd, dc);
-    if (extentX > existingExtent)
-      SendMessage(hwnd, LB_SETHORIZONTALEXTENT, LOWORD(extentX), 0L);
-    return;
-  }
-  else
-  {
+    WindowHDC dc(GetHwnd());
+    SelectInHDC selFont(dc, GetHfontOf(GetFont()));
+
+    TEXTMETRIC lpTextMetric;
+    ::GetTextMetrics(dc, &lpTextMetric);
+

     int largestExtent = 0;
     int largestExtent = 0;

-    HDC dc = GetWindowDC(hwnd);
-    HFONT oldFont = 0;
-    if (GetFont() && GetFont()->GetResourceHandle())
-      oldFont = (HFONT) ::SelectObject(dc, (HFONT) GetFont()->GetResourceHandle());
-
-    GetTextMetrics(dc, &lpTextMetric);
-    int i;
-    for (i = 0; i < m_noItems; i++)
+    SIZE extentXY;
+
+    if ( s.empty() )

     {
     {

-      int len = (int)SendMessage(hwnd, LB_GETTEXT, i, (LONG)wxBuffer);
-      wxBuffer[len] = 0;
-      SIZE extentXY;
-      ::GetTextExtentPoint(dc, (LPSTR)wxBuffer, len, &extentXY);
-      int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
-      if (extentX > largestExtent)
-        largestExtent = extentX;
+        // set extent to the max length of all strings
+        for ( unsigned int i = 0; i < m_noItems; i++ )
+        {
+            const wxString str = GetString(i);
+            ::GetTextExtentPoint32(dc, str.c_str(), str.length(), &extentXY);
+
+            int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
+            if ( extentX > largestExtent )
+                largestExtent = extentX;
+        }

     }
     }

-    if (oldFont)
-      ::SelectObject(dc, oldFont);
+    else // just increase the extent to the length of this string
+    {
+        int existingExtent = (int)SendMessage(GetHwnd(),
+                                              LB_GETHORIZONTALEXTENT, 0, 0L);

 
 

-    ReleaseDC(hwnd, dc);
-    SendMessage(hwnd, LB_SETHORIZONTALEXTENT, LOWORD(largestExtent), 0L);
-  }
-}
+        ::GetTextExtentPoint32(dc, s.c_str(), s.length(), &extentXY);

 
 

-void
-wxListBox::InsertItems(int nItems, const wxString items[], int pos)
-{
-  int i;
-  for (i = 0; i < nItems; i++)
-    ListBox_InsertString(hwnd, i + pos, items[i]);
-  m_noItems += nItems;
-
-  #if wxUSE_OWNER_DRAWN
-    if ( m_windowStyle & wxLB_OWNERDRAW ) {
-      for ( i = 0; i < nItems; i++ ) {
-        wxOwnerDrawn *pNewItem = CreateItem((size_t)(pos + i));
-        pNewItem->SetName(items[i]);
-        m_aItems.Insert(pNewItem, (size_t)(pos + i));
-        ListBox_SetItemData(hwnd, i, pNewItem);
-      }
+        int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
+        if ( extentX > existingExtent )
+            largestExtent = extentX;

     }
     }

-  #endif
-
-  SetHorizontalExtent("");
-}

 
 

-void wxListBox::SetString(int N, const wxString& s)
-{
-  int sel = -1;
-  if (!(m_windowStyle & wxLB_MULTIPLE) && !(m_windowStyle & wxLB_EXTENDED))
-    sel = GetSelection();
-  
-  char *oldData = (char *)wxListBox::GetClientData(N);
-  
-  SendMessage(hwnd, LB_DELETESTRING, N, 0);
-
-  int newN = N;
-  if (N == (m_noItems - 1))
-    newN = -1;
-    
-  SendMessage(hwnd, LB_INSERTSTRING, newN, (LPARAM) (const char *)s);
-  if (oldData)
-    wxListBox::SetClientData(N, oldData);
-
-  // Selection may have changed
-  if (sel >= 0)
-    SetSelection(sel);
-
-#if       wxUSE_OWNER_DRAWN
-  if ( m_windowStyle & wxLB_OWNERDRAW )
-         // update item's text
-         m_aItems[N]->SetName(s);
-#endif  //USE_OWNER_DRAWN
+    if ( largestExtent )
+        SendMessage(GetHwnd(), LB_SETHORIZONTALEXTENT, LOWORD(largestExtent), 0L);
+    //else: it shouldn't change

 }
 
 }
 

-int wxListBox::Number (void) const
+wxSize wxListBox::DoGetBestClientSize() const

 {
 {

-  return m_noItems;
-}
+    // find the widest string
+    int wLine;
+    int wListbox = 0;
+    for (unsigned int i = 0; i < m_noItems; i++)
+    {
+        wxString str(GetString(i));
+        GetTextExtent(str, &wLine, NULL);
+        if ( wLine > wListbox )
+            wListbox = wLine;
+    }

 
 

-// For single selection items only
-wxString wxListBox::GetStringSelection (void) const
-{
-  int sel = GetSelection ();
-  if (sel > -1)
-    return this->GetString (sel);
-  else
-    return wxString("");
+    // give it some reasonable default value if there are no strings in the
+    // list
+    if ( wListbox == 0 )
+        wListbox = 100;
+
+    // the listbox should be slightly larger than the widest string
+    wListbox += 3*GetCharWidth();
+
+    // add room for the scrollbar
+    wListbox += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
+
+    // don't make the listbox too tall (limit height to 10 items) but don't
+    // make it too small neither
+    int hListbox = SendMessage(GetHwnd(), LB_GETITEMHEIGHT, 0, 0)*
+                    wxMin(wxMax(m_noItems, 3), 10);
+
+    return wxSize(wListbox, hListbox);

 }
 
 }
 

-bool wxListBox::SetStringSelection (const wxString& s, bool flag)
+// ----------------------------------------------------------------------------
+// callbacks
+// ----------------------------------------------------------------------------
+
+bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))

 {
 {

-  int sel = FindString (s);
-  if (sel > -1)
+    wxEventType evtType;
+    if ( param == LBN_SELCHANGE )

     {
     {

-      SetSelection (sel, flag);
-      return TRUE;
+        if ( HasMultipleSelection() )
+            return CalcAndSendEvent();
+
+        evtType = wxEVT_LISTBOX;

     }
     }

-  else
-    return FALSE;
-}
+    else if ( param == LBN_DBLCLK )
+    {
+        // Clicking under the last item in the listbox generates double click
+        // event for the currently selected item which is rather surprising.
+        // Avoid the surprise by checking that we do have an item under mouse.
+        const DWORD pos = ::GetMessagePos();
+        const wxPoint pt(GET_X_LPARAM(pos), GET_Y_LPARAM(pos));
+        if ( HitTest(ScreenToClient(pt)) == wxNOT_FOUND )
+            return false;
+
+        evtType = wxEVT_LISTBOX_DCLICK;
+    }
+    else
+    {
+        // some event we're not interested in
+        return false;
+    }
+
+    const int n = ListBox_GetCurSel(GetHwnd());

 
 

-// Is this the right thing? Won't setselection generate a command
-// event too? No! It'll just generate a setselection event.
-// But we still can't have this being called whenever a real command
-// is generated, because it sets the selection, which will already
-// have been done! (Unless we have an optional argument for calling
-// by the actual window system, or a separate function, ProcessCommand)
-void wxListBox::Command (wxCommandEvent & event)
-{
-  if (event.m_extraLong)
-    SetSelection (event.m_commandInt);
-  else
+    // We get events even when mouse is clicked outside of any valid item from
+    // Windows, just ignore them.
+    if ( n == wxNOT_FOUND )
+       return false;
+
+    if ( param == LBN_SELCHANGE )

     {
     {

-      Deselect (event.m_commandInt);
-      return;
+        if ( !DoChangeSingleSelection(n) )
+            return false;

     }
     }

-  ProcessCommand (event);
+
+    // Do generate an event otherwise.
+    return SendEvent(evtType, n, true /* selection */);

 }
 
 }
 

-WXHBRUSH wxListBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
-                       WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
-{
-#if CTL3D
-  if ( m_useCtl3D )
-  {
-    HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
-    return (WXHBRUSH) hbrush;
-  }
-#endif
+// ----------------------------------------------------------------------------
+// owner-drawn list boxes support
+// ----------------------------------------------------------------------------

 
 

-  if (GetParent()->GetTransparentBackground())
-    SetBkMode((HDC) pDC, TRANSPARENT);
-  else
-    SetBkMode((HDC) pDC, OPAQUE);
+#if wxUSE_OWNER_DRAWN

 
 

-  ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
-  ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
+// misc overloaded methods
+// -----------------------

 
 

-  wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
+bool wxListBox::SetFont(const wxFont &font)
+{
+    if ( HasFlag(wxLB_OWNERDRAW) )
+    {
+        const unsigned count = m_aItems.GetCount();
+        for ( unsigned i = 0; i < count; i++ )
+            m_aItems[i]->SetFont(font);
+    }
+
+    wxListBoxBase::SetFont(font);

 
 

-  // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
-  // has a zero usage count.
-  backgroundBrush->RealizeResource();
-  return (WXHBRUSH) backgroundBrush->GetResourceHandle();
+    return true;

 }
 
 }
 

-long wxListBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
-{
-#if 0
-  switch (nMsg)
-  {
-        case WM_INITDIALOG:
-        case WM_ACTIVATE:
-        case WM_SETFOCUS:
-        case WM_KILLFOCUS:
-       case WM_CREATE:
-       case WM_PAINT:
-       case WM_QUERYDRAGICON:
-        case WM_SIZE:
-        case WM_RBUTTONDOWN:
-        case WM_RBUTTONUP:
-        case WM_RBUTTONDBLCLK:
-        case WM_MBUTTONDOWN:
-        case WM_MBUTTONUP:
-        case WM_MBUTTONDBLCLK:
-        case WM_LBUTTONDOWN:
-        case WM_LBUTTONUP:
-        case WM_LBUTTONDBLCLK:
-        case WM_MOUSEMOVE:
-        case WM_COMMAND:
-        case WM_NOTIFY:
-        case WM_DESTROY:
-        case WM_MENUSELECT:
-        case WM_INITMENUPOPUP:
-        case WM_DRAWITEM:
-        case WM_MEASUREITEM:
-        case WM_KEYDOWN:
-        case WM_KEYUP:
-        case WM_CHAR: // Always an ASCII character
-        case WM_HSCROLL:
-        case WM_VSCROLL:
-        case WM_CTLCOLORBTN:
-        case WM_CTLCOLORDLG:
-        case WM_CTLCOLORLISTBOX:
-        case WM_CTLCOLORMSGBOX:
-        case WM_CTLCOLORSCROLLBAR:
-        case WM_CTLCOLORSTATIC:
-        case WM_CTLCOLOREDIT:
-        case WM_SYSCOLORCHANGE:
-        case WM_ERASEBKGND:
-        case WM_MDIACTIVATE:
-        case WM_DROPFILES:
-        case WM_QUERYENDSESSION:
-        case WM_CLOSE:
-        case WM_GETMINMAXINFO:
-               case WM_NCHITTEST:
-            return MSWDefWindowProc(nMsg, wParam, lParam );
+bool wxListBox::GetItemRect(size_t n, wxRect& rect) const
+{
+    wxCHECK_MSG( IsValid(n), false,
+                 wxT("invalid index in wxListBox::GetItemRect") );
+
+    RECT rc;
+
+    if ( ListBox_GetItemRect(GetHwnd(), n, &rc) != LB_ERR )
+    {
+        rect = wxRectFromRECT(rc);
+        return true;

     }
     }

-#endif
+    else
+    {
+        // couldn't retrieve rect: for example, item isn't visible
+        return false;
+    }
+}
+
+bool wxListBox::RefreshItem(size_t n)
+{
+    wxRect rect;
+    if ( !GetItemRect(n, rect) )
+        return false;

 
 

-  return wxControl::MSWWindowProc(nMsg, wParam, lParam);
+    RECT rc;
+    wxCopyRectToRECT(rect, rc);
+
+    return ::InvalidateRect((HWND)GetHWND(), &rc, FALSE) == TRUE;

 }
 
 }
 

-#if wxUSE_OWNER_DRAWN

 
 // drawing
 // -------
 
 
 // drawing
 // -------
 

-// space beneath/above each row in pixels
-// "standard" checklistbox use 1 here, some might prefer 2. 0 is ugly.
-#define OWNER_DRAWN_LISTBOX_EXTRA_SPACE    (1)
+namespace
+{
+    // space beneath/above each row in pixels
+    static const int LISTBOX_EXTRA_SPACE = 1;
+
+} // anonymous namespace

 
 // the height is the same for all items
 
 // the height is the same for all items

-// ## should be changed for LBS_OWNERDRAWVARIABLE style listboxes
-//    NB: can't forward this to wxListBoxItem because LB_SETITEMDATA
-//        message is not yet sent when we get here!
+// TODO should be changed for LBS_OWNERDRAWVARIABLE style listboxes
+
+// NB: can't forward this to wxListBoxItem because LB_SETITEMDATA
+//     message is not yet sent when we get here!

 bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
 {
 bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
 {

-  // only owner-drawn control should receive this message
-  wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE );
+    // only owner-drawn control should receive this message
+    wxCHECK( HasFlag(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);
+#endif

 
 

-  wxDC dc;
-  dc.SetHDC((WXHDC)CreateIC("DISPLAY", NULL, NULL, 0));
-  dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_ANSI_VAR_FONT));
+    {
+        wxDCTemp dc((WXHDC)hdc);
+        dc.SetFont(GetFont());

 
 

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

 
 

-  return TRUE;
+#ifdef __WXWINCE__
+    ReleaseDC(NULL, hdc);
+#else
+    DeleteDC(hdc);
+#endif
+
+    return true;

 }
 
 // forward the message to the appropriate item
 bool wxListBox::MSWOnDraw(WXDRAWITEMSTRUCT *item)
 {
 }
 
 // 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 );
+    // only owner-drawn control should receive this message
+    wxCHECK( HasFlag(wxLB_OWNERDRAW), false );
+
+    DRAWITEMSTRUCT *pStruct = (DRAWITEMSTRUCT *)item;

 
 

-  DRAWITEMSTRUCT *pStruct = (DRAWITEMSTRUCT *)item;
-  wxListBoxItem *pItem = (wxListBoxItem *)SendMessage(hwnd, LB_GETITEMDATA, 
-                                                      pStruct->itemID, 0);
+    // the item may be -1 for an empty listbox
+    if ( pStruct->itemID == (UINT)-1 )
+        return false;

 
 

-  wxCHECK( (int)pItem != LB_ERR, FALSE );
+    wxListBoxItem *pItem = (wxListBoxItem *)m_aItems[pStruct->itemID];

 
 

-  wxDC dc;
-  dc.SetHDC((WXHDC)pStruct->hDC, FALSE);
-  wxRect rect(pStruct->rcItem.left, pStruct->rcItem.top,
-              pStruct->rcItem.right - pStruct->rcItem.left, 
-              pStruct->rcItem.bottom - pStruct->rcItem.top);
+    wxDCTemp dc((WXHDC)pStruct->hDC);

 
 

-  return pItem->OnDrawItem(dc, rect, 
-                           (wxOwnerDrawn::wxODAction)pStruct->itemAction,
-                           (wxOwnerDrawn::wxODStatus)pStruct->itemState);
+    return pItem->OnDrawItem(dc, wxRectFromRECT(pStruct->rcItem),
+                             (wxOwnerDrawn::wxODAction)pStruct->itemAction,
+                             (wxOwnerDrawn::wxODStatus)(pStruct->itemState | wxOwnerDrawn::wxODHidePrefix));

 }
 
 }
 

-#endif
-  // wxUSE_OWNER_DRAWN
+#endif // wxUSE_OWNER_DRAWN
+
+#endif // wxUSE_LISTBOX