]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/checklst.cpp
don't declare inline function with dllexport declaration, this provokes mingw32 warni...
[wxWidgets.git] / src / msw / checklst.cpp
index 05b5b86c06f8b4a7c5f253eebe4de1fe4330f622..2fb4e4e5087e0a8818880a02f73d08d93325e916 100644 (file)
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        msw/checklst.cpp
+// Name:        src/msw/checklst.cpp
 // Purpose:     implementation of wxCheckListBox class
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     16.11.97
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "checklst.h"
-#endif
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
-#if wxUSE_OWNER_DRAWN
-
-#include <windows.h>
+#if wxUSE_CHECKLISTBOX && wxUSE_OWNER_DRAWN
+
+#include "wx/checklst.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/msw/wrapcctl.h"
+    #include "wx/object.h"
+    #include "wx/colour.h"
+    #include "wx/font.h"
+    #include "wx/bitmap.h"
+    #include "wx/window.h"
+    #include "wx/listbox.h"
+    #include "wx/dcmemory.h"
+    #include "wx/settings.h"
+    #include "wx/log.h"
+#endif
 
 #include "wx/ownerdrw.h"
-#include "wx/msw/checklst.h"
+
+#include <windowsx.h>
+
+#include "wx/renderer.h"
+#include "wx/msw/private.h"
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+// get item (converted to right type)
+#define GetItem(n)    ((wxCheckListBoxItem *)(GetItem(n)))
 
 // ============================================================================
 // implementation
 // ============================================================================
 
-#if !USE_SHARED_LIBRARY
-  IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox)
+
+#if wxUSE_EXTENDED_RTTI
+WX_DEFINE_FLAGS( wxCheckListBoxStyle )
+
+wxBEGIN_FLAGS( wxCheckListBoxStyle )
+    // 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)
+    wxFLAGS_MEMBER(wxLB_OWNERDRAW)
+
+wxEND_FLAGS( wxCheckListBoxStyle )
+
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxCheckListBox, wxListBox,"wx/checklst.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxCheckListBox)
+    wxEVENT_PROPERTY( Toggle , wxEVT_COMMAND_CHECKLISTBOX_TOGGLED , wxCommandEvent )
+    wxPROPERTY_FLAGS( WindowStyle , wxCheckListBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , wxLB_OWNERDRAW /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+wxEND_PROPERTIES_TABLE()
+
+wxBEGIN_HANDLERS_TABLE(wxCheckListBox)
+wxEND_HANDLERS_TABLE()
+
+wxCONSTRUCTOR_4( wxCheckListBox , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size )
+
+#else
+IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox)
 #endif
 
 // ----------------------------------------------------------------------------
 
 class wxCheckListBoxItem : public wxOwnerDrawn
 {
+friend class WXDLLEXPORT wxCheckListBox;
 public:
-  // ctor
-  wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex);
+    // ctor
+    wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex);
+
+    // drawing functions
+    virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat);
 
-  // drawing functions
-  virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat);
+    // simple accessors and operations
+    bool IsChecked() const { return m_bChecked; }
 
-  // simple accessors
-  bool IsChecked() const  { return m_bChecked;        }
-  void Check(bool bCheck) { m_bChecked = bCheck;      }
-  void Toggle();
+    void Check(bool bCheck);
+    void Toggle() { Check(!IsChecked()); }
+
+    void SendEvent();
 
 private:
-  bool            m_bChecked;
-  wxCheckListBox *m_pParent;
-  size_t            m_nIndex;
+    bool            m_bChecked;
+    wxCheckListBox *m_pParent;
+    size_t          m_nIndex;
+
+    DECLARE_NO_COPY_CLASS(wxCheckListBoxItem)
 };
 
 wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex)
-                  : wxOwnerDrawn("", TRUE)   // checkable
+                  : wxOwnerDrawn(wxEmptyString, true)   // checkable
 {
-  m_bChecked = FALSE;
-  m_pParent  = pParent;
-  m_nIndex   = nIndex;
+    m_bChecked = false;
+    m_pParent  = pParent;
+    m_nIndex   = nIndex;
 
-  // we don't initialize m_nCheckHeight/Width vars because it's
-  // done in OnMeasure while they are used only in OnDraw and we
-  // know that there will always be OnMeasure before OnDraw
+    // we don't initialize m_nCheckHeight/Width vars because it's
+    // done in OnMeasure while they are used only in OnDraw and we
+    // know that there will always be OnMeasure before OnDraw
 
-  // fix appearance
-  SetFont(wxSystemSettings::GetSystemFont(wxSYS_ANSI_VAR_FONT));
-  SetMarginWidth(GetDefaultMarginWidth());
-}
+    SetMarginWidth(::GetSystemMetrics(SM_CXMENUCHECK) - 2);
 
-/*
- * JACS - I've got the owner-draw stuff partially working with WIN16,
- * with a really horrible-looking cross for wxCheckListBox instead of a
- * check - could use a bitmap check-mark instead, defined in wx.rc.
- * Also there's a refresh problem whereby it doesn't always draw the
- * check until you click to the right of it, which is OK for WIN32.
- */
+    SetBackgroundColour(pParent->GetBackgroundColour());
+}
 
 bool wxCheckListBoxItem::OnDrawItem(wxDC& dc, const wxRect& rc,
                                     wxODAction act, wxODStatus stat)
 {
-  if ( IsChecked() )
-    stat = (wxOwnerDrawn::wxODStatus)(stat | wxOwnerDrawn::wxODChecked);
+    // first draw the label
+    if ( IsChecked() )
+        stat = (wxOwnerDrawn::wxODStatus)(stat | wxOwnerDrawn::wxODChecked);
 
-  if ( wxOwnerDrawn::OnDrawItem(dc, rc, act, stat) ) {
-    // ## using native API for performance and precision
-    size_t nCheckWidth  = GetDefaultMarginWidth(),
-         nCheckHeight = m_pParent->GetItemHeight();
+    if ( !wxOwnerDrawn::OnDrawItem(dc, rc, act, stat) )
+        return false;
 
-    int x = rc.GetX(),
-        y = rc.GetY();
+    // now draw the check mark part
+    HDC hdc = GetHdcOf(dc);
 
-    HDC hdc = (HDC)dc.GetHDC();
+    int nBmpWidth  = ::GetSystemMetrics(SM_CXMENUCHECK),
+        nBmpHeight = ::GetSystemMetrics(SM_CYMENUCHECK);
 
-    // create pens
-    HPEN hpenBack = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_WINDOW)),
-         hpenGray = CreatePen(PS_SOLID, 0, RGB(128, 128, 128)),
-         hpenPrev = (HPEN)SelectObject(hdc, hpenBack);
 
-    // we erase the 1-pixel border
-    Rectangle(hdc, x, y, x + nCheckWidth, y + nCheckHeight);
+    // first create bitmap in a memory DC
+    MemoryHDC hdcMem(hdc);
+    CompatibleBitmap hBmpCheck(hdc, nBmpWidth, nBmpHeight);
 
-    // shift check mark 1 pixel to the right (it looks better like this)
-    x++;
+    // then draw a check mark into it
+    {
+        SelectInHDC selBmp(hdcMem, hBmpCheck);
 
-    if ( IsChecked() ) {
-      // first create a monochrome bitmap in a memory DC
-      HDC hdcMem = CreateCompatibleDC(hdc);
-      HBITMAP hbmpCheck = CreateBitmap(nCheckWidth, nCheckHeight, 1, 1, 0);
-      HBITMAP hbmpOld = (HBITMAP)SelectObject(hdcMem, hbmpCheck);
+        int flags = wxCONTROL_FLAT;
+        if ( IsChecked() )
+            flags |= wxCONTROL_CHECKED;
 
-      // then draw a check mark into it
-      RECT rect = { 0, 0, nCheckWidth, nCheckHeight };
+        wxDCTemp dcMem(hdcMem);
+        wxRendererNative::Get().DrawCheckBox(
+                m_pParent, dcMem, wxRect(0, 0, nBmpWidth, nBmpHeight), flags);
+    } // select hBmpCheck out of hdcMem
 
-#ifdef __WIN32__
-      DrawFrameControl(hdcMem, &rect, DFC_MENU, DFCS_MENUCHECK);
-#else
-      // In WIN16, draw a cross
-      HPEN blackPen = CreatePen(PS_SOLID, 1, RGB(0, 0, 0));
-      HPEN whiteBrush = GetStockObject(WHITE_BRUSH);
-      HPEN hPenOld = ::SelectObject(hdcMem, blackPen);
-      HPEN hBrushOld = ::SelectObject(hdcMem, whiteBrush);
-      ::SetROP2(hdcMem, R2_COPYPEN);
-      Rectangle(hdcMem, 0, 0, nCheckWidth, nCheckHeight);
-      MoveTo(hdcMem, 0, 0);
-      LineTo(hdcMem, nCheckWidth, nCheckHeight);
-      MoveTo(hdcMem, nCheckWidth, 0);
-      LineTo(hdcMem, 0, nCheckHeight);
-      ::SelectObject(hdcMem, hPenOld);
-      ::SelectObject(hdcMem, hBrushOld);
-      ::DeleteObject(blackPen);
-#endif
+    // shift check mark 2 pixel to the right and bottom, looks better like this
+    int x = rc.GetX() + 2,
+        y = rc.GetY() + 2;
 
-      // finally copy it to screen DC and clean up
-      BitBlt(hdc, x, y, nCheckWidth - 1, nCheckHeight,
-             hdcMem, 0, 0, SRCCOPY);
+    // finally draw bitmap to screen: uses image list functions to blend
+    // the bitmap with the background colour (better for the selected items)
+    HIMAGELIST himl = ImageList_Create(nBmpWidth, nBmpHeight,
+                                       ILC_COLOR32 | ILC_MASK, 1, 1);
+    ImageList_Add(himl, hBmpCheck, NULL);
 
-      SelectObject(hdcMem, hbmpOld);
-      DeleteObject(hbmpCheck);
-      DeleteDC(hdcMem);
-    }
+    UINT fStyle = stat & wxOwnerDrawn::wxODSelected ? ILD_SELECTED : ILD_NORMAL;
+    ImageList_Draw(himl, 0, hdc, x, y, fStyle);
 
-    // now we draw the smaller rectangle
-    y++;
-    nCheckWidth  -= 2;
-    nCheckHeight -= 2;
+    ImageList_Destroy(himl);
 
-    // draw hollow gray rectangle
-    (void)SelectObject(hdc, hpenGray);
-    HBRUSH hbrPrev  = (HBRUSH)SelectObject(hdc, GetStockObject(NULL_BRUSH));
-    Rectangle(hdc, x, y, x + nCheckWidth, y + nCheckHeight);
+    return true;
+}
 
-    // clean up
-    (void)SelectObject(hdc, hpenPrev);
-    (void)SelectObject(hdc, hbrPrev);
+// change the state of the item and redraw it
+void wxCheckListBoxItem::Check(bool check)
+{
+    m_bChecked = check;
 
-    DeleteObject(hpenBack);
-    DeleteObject(hpenGray);
+    // index may be changed because new items were added/deleted
+    if ( m_pParent->GetItemIndex(this) != (int)m_nIndex )
+    {
+        // update it
+        int index = m_pParent->GetItemIndex(this);
 
-    /*
-    dc.DrawRectangle(x, y, nCheckWidth, nCheckHeight);
+        wxASSERT_MSG( index != wxNOT_FOUND, wxT("what does this item do here?") );
 
-    if ( IsChecked() ) {
-      dc.DrawLine(x, y, x + nCheckWidth, y + nCheckHeight);
-      dc.DrawLine(x, y + nCheckHeight, x + nCheckWidth, y);
+        m_nIndex = (size_t)index;
     }
-    */
 
-    return TRUE;
-  }
+    HWND hwndListbox = (HWND)m_pParent->GetHWND();
 
-  return FALSE;
-}
+    RECT rcUpdate;
 
-// change the state of the item and redraw it
-void wxCheckListBoxItem::Toggle()
-{
-  m_bChecked = !m_bChecked;
+    if ( ::SendMessage(hwndListbox, LB_GETITEMRECT,
+                       m_nIndex, (LPARAM)&rcUpdate) == LB_ERR )
+    {
+        wxLogDebug(wxT("LB_GETITEMRECT failed"));
+    }
 
-  size_t nHeight = m_pParent->GetItemHeight();
-  size_t y = m_nIndex * nHeight;
-  RECT rcUpdate = { 0, y, GetDefaultMarginWidth(), y + nHeight};
-  InvalidateRect((HWND)m_pParent->GetHWND(), &rcUpdate, FALSE);
+    ::InvalidateRect(hwndListbox, &rcUpdate, FALSE);
+}
 
-  wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, m_pParent->GetId());
-  event.SetInt(m_nIndex);
-  event.SetEventObject(m_pParent);
-  m_pParent->ProcessCommand(event);
+// send an "item checked" event
+void wxCheckListBoxItem::SendEvent()
+{
+    wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, m_pParent->GetId());
+    event.SetInt(m_nIndex);
+    event.SetEventObject(m_pParent);
+    m_pParent->ProcessCommand(event);
 }
 
 // ----------------------------------------------------------------------------
@@ -202,7 +261,7 @@ void wxCheckListBoxItem::Toggle()
 // define event table
 // ------------------
 BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox)
-  EVT_CHAR(wxCheckListBox::OnChar)
+  EVT_KEY_DOWN(wxCheckListBox::OnKeyDown)
   EVT_LEFT_DOWN(wxCheckListBox::OnLeftClick)
 END_EVENT_TABLE()
 
@@ -210,7 +269,7 @@ END_EVENT_TABLE()
 // ----------------
 
 // def ctor: use Create() to really create the control
-wxCheckListBox::wxCheckListBox() : wxListBox()
+wxCheckListBox::wxCheckListBox()
 {
 }
 
@@ -219,31 +278,77 @@ wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
                                const wxPoint& pos, const wxSize& size,
                                int nStrings, const wxString choices[],
                                long style, const wxValidator& val,
-                               const wxString& name) // , const wxFont& font)
-                // don't use ctor with arguments! we must call Create()
-                // ourselves from here.
-              : wxListBox()
-//                , m_font(font)
+                               const wxString& name)
 {
-  Create(parent, id, pos, size, nStrings, choices, style|wxLB_OWNERDRAW, val, name);
+    Create(parent, id, pos, size, nStrings, choices, style, val, name);
+}
+
+wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
+                               const wxPoint& pos, const wxSize& size,
+                               const wxArrayString& choices,
+                               long style, const wxValidator& val,
+                               const wxString& name)
+{
+    Create(parent, id, pos, size, choices, style, val, name);
+}
+
+bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id,
+                            const wxPoint& pos, const wxSize& size,
+                            int n, const wxString choices[],
+                            long style,
+                            const wxValidator& validator, const wxString& name)
+{
+    return wxListBox::Create(parent, id, pos, size, n, choices,
+                             style | wxLB_OWNERDRAW, validator, name);
+}
+
+bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id,
+                            const wxPoint& pos, const wxSize& size,
+                            const wxArrayString& choices,
+                            long style,
+                            const wxValidator& validator, const wxString& name)
+{
+    return wxListBox::Create(parent, id, pos, size, choices,
+                             style | wxLB_OWNERDRAW, validator, name);
+}
+
+// misc overloaded methods
+// -----------------------
+
+void wxCheckListBox::Delete(unsigned int n)
+{
+    wxCHECK_RET( IsValid(n),
+                 wxT("invalid index in wxListBox::Delete") );
+
+    wxListBox::Delete(n);
+
+    // free memory
+    delete m_aItems[n];
+
+    m_aItems.RemoveAt(n);
+}
+
+bool wxCheckListBox::SetFont( const wxFont &font )
+{
+    unsigned int i;
+    for ( i = 0; i < m_aItems.GetCount(); i++ )
+        m_aItems[i]->SetFont(font);
+
+    wxListBox::SetFont(font);
+
+    return true;
 }
 
 // create/retrieve item
 // --------------------
 
 // create a check list box item
-wxOwnerDrawn *wxCheckListBox::CreateItem(size_t nIndex)
+wxOwnerDrawn *wxCheckListBox::CreateLboxItem(size_t nIndex)
 {
   wxCheckListBoxItem *pItem = new wxCheckListBoxItem(this, nIndex);
-  if ( m_windowFont.Ok() )
-    pItem->SetFont(m_windowFont);
-
   return pItem;
 }
 
-// get item (converted to right type)
-#define GetItem(n)    ((wxCheckListBoxItem *)(GetItem(n)))
-
 // return item size
 // ----------------
 bool wxCheckListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
@@ -251,57 +356,165 @@ bool wxCheckListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
   if ( wxListBox::MSWOnMeasure(item) ) {
     MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item;
 
+    // add place for the check mark
+    pStruct->itemWidth  += wxOwnerDrawn::GetDefaultMarginWidth();
+    pStruct->itemHeight += 1;
+
     // save item height
     m_nItemHeight = pStruct->itemHeight;
 
-    // add place for the check mark
-    pStruct->itemWidth += wxOwnerDrawn::GetDefaultMarginWidth();
-
-    return TRUE;
+    return true;
   }
 
-  return FALSE;
+  return false;
 }
 
 // check items
 // -----------
 
-bool wxCheckListBox::IsChecked(size_t uiIndex) const
+bool wxCheckListBox::IsChecked(unsigned int uiIndex) const
 {
-  return GetItem(uiIndex)->IsChecked();
+    wxCHECK_MSG( IsValid(uiIndex), false, _T("bad wxCheckListBox index") );
+
+    return GetItem(uiIndex)->IsChecked();
 }
 
-void wxCheckListBox::Check(size_t uiIndex, bool bCheck)
+void wxCheckListBox::Check(unsigned int uiIndex, bool bCheck)
 {
-  GetItem(uiIndex)->Check(bCheck);
+    wxCHECK_RET( IsValid(uiIndex), _T("bad wxCheckListBox index") );
+
+    GetItem(uiIndex)->Check(bCheck);
 }
 
 // process events
 // --------------
 
-void wxCheckListBox::OnChar(wxKeyEvent& event)
+void wxCheckListBox::OnKeyDown(wxKeyEvent& event)
 {
-  if ( event.KeyCode() == WXK_SPACE )
-    GetItem(GetSelection())->Toggle();
-  else
-    wxListBox::OnChar(event);
+    // what do we do?
+    enum
+    {
+        None,
+        Toggle,
+        Set,
+        Clear
+    } oper;
+
+    switch ( event.GetKeyCode() )
+    {
+        case WXK_SPACE:
+            oper = Toggle;
+            break;
+
+        case WXK_NUMPAD_ADD:
+        case '+':
+            oper = Set;
+            break;
+
+        case WXK_NUMPAD_SUBTRACT:
+        case '-':
+            oper = Clear;
+            break;
+
+        default:
+            oper = None;
+    }
+
+    if ( oper != None )
+    {
+        wxArrayInt selections;
+        int count = 0;
+        if ( HasMultipleSelection() )
+        {
+            count = GetSelections(selections);
+        }
+        else
+        {
+            int sel = GetSelection();
+            if (sel != -1)
+            {
+                count = 1;
+                selections.Add(sel);
+            }
+        }
+
+        for ( int i = 0; i < count; i++ )
+        {
+            wxCheckListBoxItem *item = GetItem(selections[i]);
+            if ( !item )
+            {
+                wxFAIL_MSG( _T("no wxCheckListBoxItem?") );
+                continue;
+            }
+
+            switch ( oper )
+            {
+                case Toggle:
+                    item->Toggle();
+                    break;
+
+                case Set:
+                case Clear:
+                    item->Check( oper == Set );
+                    break;
+
+                default:
+                    wxFAIL_MSG( _T("what should this key do?") );
+            }
+
+            // we should send an event as this has been done by the user and
+            // not by the program
+            item->SendEvent();
+        }
+    }
+    else // nothing to do
+    {
+        event.Skip();
+    }
 }
 
 void wxCheckListBox::OnLeftClick(wxMouseEvent& event)
 {
-  // clicking on the item selects it, clicking on the checkmark toggles
-  if ( event.GetX() <= wxOwnerDrawn::GetDefaultMarginWidth() ) {
-    // # better use LB_ITEMFROMPOINT perhaps?
-    size_t nItem = ((size_t)event.GetY()) / m_nItemHeight;
-    if ( nItem < (size_t)m_noItems )
-      GetItem(nItem)->Toggle();
-    //else: it's not an error, just click outside of client zone
-  }
-  else {
-    // implement default behaviour: clicking on the item selects it
-    event.Skip();
-  }
+    // clicking on the item selects it, clicking on the checkmark toggles
+    if ( event.GetX() <= wxOwnerDrawn::GetDefaultMarginWidth() )
+    {
+        int nItem = HitTest(event.GetX(), event.GetY());
+
+        if ( nItem != wxNOT_FOUND )
+        {
+            wxCheckListBoxItem *item = GetItem(nItem);
+            item->Toggle();
+            item->SendEvent();
+        }
+        //else: it's not an error, just click outside of client zone
+    }
+    else
+    {
+        // implement default behaviour: clicking on the item selects it
+        event.Skip();
+    }
 }
 
-#endif
+int wxCheckListBox::DoHitTestItem(wxCoord x, wxCoord y) const
+{
+    int nItem = (int)::SendMessage
+                             (
+                              (HWND)GetHWND(),
+                              LB_ITEMFROMPOINT,
+                              0,
+                              MAKELPARAM(x, y)
+                             );
+
+    return nItem >= (int)m_noItems ? wxNOT_FOUND : nItem;
+}
 
+
+wxSize wxCheckListBox::DoGetBestSize() const
+{
+    wxSize best = wxListBox::DoGetBestSize();
+    best.x += wxOwnerDrawn::GetDefaultMarginWidth();  // add room for the checkbox
+    CacheBestSize(best);
+    return best;
+}
+
+#endif