xti additions / changes, trying to reduce dependencies

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

diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp
index 93187c0e42d348d5d73a6de213f4a61da58e8fb6..bffa880aa60a29a0c964e9adcbdb077cfd1c400b 100644 (file)
--- a/src/msw/listctrl.cpp
+++ b/src/msw/listctrl.cpp
@@ -5,8 +5,8 @@
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$

-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:     wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

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

     #pragma implementation "listctrl.h"
     #pragma implementation "listctrlbase.h"
 #endif
     #pragma implementation "listctrl.h"
     #pragma implementation "listctrlbase.h"
 #endif


@@ -45,13 +45,8 @@
 
 #include "wx/msw/private.h"
 
 
 #include "wx/msw/private.h"
 

-#if ((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
-    #include "wx/msw/gnuwin32/extra.h"
-#else
-    #include <commctrl.h>
-#endif
-
-#include "wx/msw/missing.h"
+// include <commctrl.h> "properly"
+#include "wx/msw/wrapcctl.h"

 
 // ----------------------------------------------------------------------------
 // private functions
 
 // ----------------------------------------------------------------------------
 // private functions


@@ -104,24 +99,36 @@ public:
 private:
     wxMB2WXbuf *m_buf;
 
 private:
     wxMB2WXbuf *m_buf;
 

-#else
+#else // !wxUSE_UNICODE

     wxLV_ITEM(LV_ITEMW &item)
     {
         m_item = new LV_ITEM((LV_ITEM&)item);
     wxLV_ITEM(LV_ITEMW &item)
     {
         m_item = new LV_ITEM((LV_ITEM&)item);

+
+        // the code below doesn't compile without wxUSE_WCHAR_T and as I don't
+        // know if it's useful to have it at all (do we ever get Unicode
+        // notifications in ANSI mode? I don't think so...) I'm not going to
+        // write alternative implementation right now
+        //
+        // but if it is indeed used, we should simply directly use
+        // ::WideCharToMultiByte() here
+#if wxUSE_WCHAR_T

         if ( (item.mask & LVIF_TEXT) && item.pszText )
         {
             m_buf = new wxWC2WXbuf(wxConvLocal.cWC2WX(item.pszText));
             m_item->pszText = (wxChar*)m_buf->data();
         }
         else
         if ( (item.mask & LVIF_TEXT) && item.pszText )
         {
             m_buf = new wxWC2WXbuf(wxConvLocal.cWC2WX(item.pszText));
             m_item->pszText = (wxChar*)m_buf->data();
         }
         else

+#endif // wxUSE_WCHAR_T

             m_buf = NULL;
     }
     wxLV_ITEM(LV_ITEMA &item) : m_buf(NULL), m_item(&item) {}
 private:
     wxWC2WXbuf *m_buf;
             m_buf = NULL;
     }
     wxLV_ITEM(LV_ITEMA &item) : m_buf(NULL), m_item(&item) {}
 private:
     wxWC2WXbuf *m_buf;

-#endif
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE

 
     LV_ITEM *m_item;
 
     LV_ITEM *m_item;

+
+    DECLARE_NO_COPY_CLASS(wxLV_ITEM)

 };
 
 ///////////////////////////////////////////////////////
 };
 
 ///////////////////////////////////////////////////////


@@ -168,6 +175,8 @@ public:
        if (attr)
            delete attr;
    };
        if (attr)
            delete attr;
    };

+
+    DECLARE_NO_COPY_CLASS(wxListItemInternalData)

 };
 
 // Get the internal data structure
 };
 
 // Get the internal data structure


@@ -204,7 +213,24 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_ACTIVATED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_FOCUSED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT)
 
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_FOCUSED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT)
 

+#if wxUSE_EXTENDED_RTTI
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxListCtrl, wxControl,"wx/listctrl.h")
+
+WX_BEGIN_PROPERTIES_TABLE(wxListCtrl)
+WX_END_PROPERTIES_TABLE()
+
+WX_BEGIN_HANDLERS_TABLE(wxListCtrl)
+WX_END_HANDLERS_TABLE()
+
+WX_CONSTRUCTOR_5( wxListCtrl , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle ) 
+
+/*
+ TODO : Expose more information of a list's layout etc. via appropriate objects (à la NotebookPageInfo)
+*/
+#else

 IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl)
 IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl)

+#endif
+

 IMPLEMENT_DYNAMIC_CLASS(wxListView, wxListCtrl)
 IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject)
 
 IMPLEMENT_DYNAMIC_CLASS(wxListView, wxListCtrl)
 IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject)
 


@@ -230,6 +256,8 @@ void wxListCtrl::Init()
     m_ownsImageListNormal = m_ownsImageListSmall = m_ownsImageListState = FALSE;
     m_baseStyle = 0;
     m_colCount = 0;
     m_ownsImageListNormal = m_ownsImageListSmall = m_ownsImageListState = FALSE;
     m_baseStyle = 0;
     m_colCount = 0;

+    m_count = 0;
+    m_ignoreChangeMessages = FALSE;

     m_textCtrl = NULL;
     m_AnyInternalData = FALSE;
     m_hasAnyAttr = FALSE;
     m_textCtrl = NULL;
     m_AnyInternalData = FALSE;
     m_hasAnyAttr = FALSE;


@@ -272,11 +300,6 @@ bool wxListCtrl::Create(wxWindow *parent,
     DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
                    LVS_SHAREIMAGELISTS | LVS_SHOWSELALWAYS;
 
     DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
                    LVS_SHAREIMAGELISTS | LVS_SHOWSELALWAYS;
 

-    if ( m_windowStyle & wxCLIP_SIBLINGS )
-        wstyle |= WS_CLIPSIBLINGS;
-
-    if ( wxStyleHasBorder(m_windowStyle) )
-        wstyle |= WS_BORDER;

     m_baseStyle = wstyle;
 
     if ( !DoCreateControl(x, y, width, height) )
     m_baseStyle = wstyle;
 
     if ( !DoCreateControl(x, y, width, height) )


@@ -292,21 +315,17 @@ bool wxListCtrl::DoCreateControl(int x, int y, int w, int h)
 {
     DWORD wstyle = m_baseStyle;
 
 {
     DWORD wstyle = m_baseStyle;
 

-    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 )
-        wstyle |= WS_BORDER;
+    WXDWORD exStyle = 0;
+    WXDWORD standardStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ;

 
     long oldStyle = 0; // Dummy
     wstyle |= ConvertToMSWStyle(oldStyle, m_windowStyle);
 
     long oldStyle = 0; // Dummy
     wstyle |= ConvertToMSWStyle(oldStyle, m_windowStyle);

+    wstyle |= standardStyle;

 
     // Create the ListView control.
     m_hWnd = (WXHWND)CreateWindowEx(exStyle,
                                     WC_LISTVIEW,
 
     // Create the ListView control.
     m_hWnd = (WXHWND)CreateWindowEx(exStyle,
                                     WC_LISTVIEW,

-                                    wxT(""),
+                                    wxEmptyString,

                                     wstyle,
                                     x, y, w, h,
                                     GetWinHwnd(GetParent()),
                                     wstyle,
                                     x, y, w, h,
                                     GetWinHwnd(GetParent()),


@@ -364,8 +383,10 @@ void wxListCtrl::FreeAllInternalData()
         int n = GetItemCount();
         int i = 0;
 
         int n = GetItemCount();
         int i = 0;
 

+        m_ignoreChangeMessages = TRUE;

         for (i = 0; i < n; i++)
             wxDeleteInternalData(this, i);
         for (i = 0; i < n; i++)
             wxDeleteInternalData(this, i);

+        m_ignoreChangeMessages = FALSE;

 
         m_AnyInternalData = FALSE;
     }
 
         m_AnyInternalData = FALSE;
     }


@@ -377,8 +398,8 @@ wxListCtrl::~wxListCtrl()
 
     if ( m_textCtrl )
     {
 
     if ( m_textCtrl )
     {

-        m_textCtrl->SetHWND(0);

         m_textCtrl->UnsubclassWin();
         m_textCtrl->UnsubclassWin();

+        m_textCtrl->SetHWND(0);

         delete m_textCtrl;
         m_textCtrl = NULL;
     }
         delete m_textCtrl;
         m_textCtrl = NULL;
     }


@@ -598,7 +619,7 @@ bool wxListCtrl::GetColumn(int col, wxListItem& item) const
         lvCol.mask |= LVCF_IMAGE;
     }
 
         lvCol.mask |= LVCF_IMAGE;
     }
 

-    bool success = ListView_GetColumn(GetHwnd(), col, & lvCol) != 0;
+    bool success = ListView_GetColumn(GetHwnd(), col, &lvCol) != 0;

 
     //  item.m_subItem = lvCol.iSubItem;
     item.m_width = lvCol.cx;
 
     //  item.m_subItem = lvCol.iSubItem;
     item.m_width = lvCol.cx;


@@ -611,18 +632,32 @@ bool wxListCtrl::GetColumn(int col, wxListItem& item) const
 
     if ( item.m_mask & wxLIST_MASK_FORMAT )
     {
 
     if ( item.m_mask & wxLIST_MASK_FORMAT )
     {

-        if (lvCol.fmt == LVCFMT_LEFT)
-            item.m_format = wxLIST_FORMAT_LEFT;
-        else if (lvCol.fmt == LVCFMT_RIGHT)
-            item.m_format = wxLIST_FORMAT_RIGHT;
-        else if (lvCol.fmt == LVCFMT_CENTER)
-            item.m_format = wxLIST_FORMAT_CENTRE;
+        switch (lvCol.fmt & LVCFMT_JUSTIFYMASK) {
+            case LVCFMT_LEFT:
+                item.m_format = wxLIST_FORMAT_LEFT;
+                break;
+            case LVCFMT_RIGHT:
+                item.m_format = wxLIST_FORMAT_RIGHT;
+                break;
+            case LVCFMT_CENTER:
+                item.m_format = wxLIST_FORMAT_CENTRE;
+                break;
+            default:
+                item.m_format = -1;  // Unknown?
+                break;
+        }

     }
 
     }
 

+    // the column images were not supported in older versions but how to check
+    // for this? we can't use _WIN32_IE because we always define it to a very
+    // high value, so see if another symbol which is only defined starting from
+    // comctl32.dll 4.70 is available
+#ifdef NM_CUSTOMDRAW // _WIN32_IE >= 0x0300

     if ( item.m_mask & wxLIST_MASK_IMAGE )
     {
         item.m_image = lvCol.iImage;
     }
     if ( item.m_mask & wxLIST_MASK_IMAGE )
     {
         item.m_image = lvCol.iImage;
     }

+#endif // LVCOLUMN::iImage exists

 
     return success;
 }
 
     return success;
 }


@@ -900,7 +935,7 @@ wxString wxListCtrl::GetItemText(long item) const
     info.m_itemId = item;
 
     if (!GetItem(info))
     info.m_itemId = item;
 
     if (!GetItem(info))

-        return wxString("");
+        return wxEmptyString;

     return info.m_text;
 }
 
     return info.m_text;
 }
 


@@ -960,11 +995,7 @@ bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const
         codeWin = LVIR_BOUNDS;
     }
 
         codeWin = LVIR_BOUNDS;
     }
 

-#ifdef __WXWINE__
-    bool success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin ) != 0;
-#else

     bool success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin, codeWin) != 0;
     bool success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin, codeWin) != 0;

-#endif

 
     rect.x = rectWin.left;
     rect.y = rectWin.top;
 
     rect.x = rectWin.left;
     rect.y = rectWin.top;


@@ -994,7 +1025,7 @@ bool wxListCtrl::SetItemPosition(long item, const wxPoint& pos)
 // Gets the number of items in the list control
 int wxListCtrl::GetItemCount() const
 {
 // Gets the number of items in the list control
 int wxListCtrl::GetItemCount() const
 {

-    return ListView_GetItemCount(GetHwnd());
+    return m_count;

 }
 
 // Retrieves the spacing between icons in pixels.
 }
 
 // Retrieves the spacing between icons in pixels.


@@ -1184,6 +1215,10 @@ bool wxListCtrl::DeleteItem(long item)
         return FALSE;
     }
 
         return FALSE;
     }
 

+    m_count -= 1;
+    wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()),
+                  wxT("m_count should match ListView_GetItemCount"));
+

     // the virtual list control doesn't refresh itself correctly, help it
     if ( IsVirtual() )
     {
     // the virtual list control doesn't refresh itself correctly, help it
     if ( IsVirtual() )
     {


@@ -1212,6 +1247,7 @@ bool wxListCtrl::DeleteItem(long item)
 // Deletes all items
 bool wxListCtrl::DeleteAllItems()
 {
 // Deletes all items
 bool wxListCtrl::DeleteAllItems()
 {

+    FreeAllInternalData();

     return ListView_DeleteAllItems(GetHwnd()) != 0;
 }
 
     return ListView_DeleteAllItems(GetHwnd()) != 0;
 }
 


@@ -1259,20 +1295,33 @@ wxTextCtrl* wxListCtrl::EditLabel(long item, wxClassInfo* textControlClass)
 
     // ListView_EditLabel requires that the list has focus.
     SetFocus();
 
     // ListView_EditLabel requires that the list has focus.
     SetFocus();

+

     WXHWND hWnd = (WXHWND) ListView_EditLabel(GetHwnd(), item);
     WXHWND hWnd = (WXHWND) ListView_EditLabel(GetHwnd(), item);

+    if ( !hWnd )
+    {
+        // failed to start editing
+        return NULL;
+    }

 
 

-    if (m_textCtrl)
+    // [re]create the text control wrapping the HWND we got
+    if ( m_textCtrl )

     {
     {

-        m_textCtrl->SetHWND(0);

         m_textCtrl->UnsubclassWin();
         m_textCtrl->UnsubclassWin();

+        m_textCtrl->SetHWND(0);

         delete m_textCtrl;
     }
 
         delete m_textCtrl;
     }
 

-    m_textCtrl = (wxTextCtrl*) textControlClass->CreateObject();
+    m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject();

     m_textCtrl->SetHWND(hWnd);
     m_textCtrl->SubclassWin(hWnd);
     m_textCtrl->SetParent(this);
 
     m_textCtrl->SetHWND(hWnd);
     m_textCtrl->SubclassWin(hWnd);
     m_textCtrl->SetParent(this);
 

+    // we must disallow TABbing away from the control while the edit contol is
+    // shown because this leaves it in some strange state (just try removing
+    // this line and then pressing TAB while editing an item in  listctrl
+    // inside a panel)
+    m_textCtrl->SetWindowStyle(m_textCtrl->GetWindowStyle() | wxTE_PROCESS_TAB);
+

     return m_textCtrl;
 }
 
     return m_textCtrl;
 }
 


@@ -1311,14 +1360,22 @@ long wxListCtrl::FindItem(long start, const wxString& str, bool partial)
 
 // Find an item whose data matches this data, starting from the item after 'start'
 // or the beginning if 'start' is -1.
 
 // Find an item whose data matches this data, starting from the item after 'start'
 // or the beginning if 'start' is -1.

+// NOTE : Lindsay Mathieson - 14-July-2002
+//        No longer use ListView_FindItem as the data attribute is now stored
+//        in a wxListItemInternalData structure refernced by the actual lParam

 long wxListCtrl::FindItem(long start, long data)
 {
 long wxListCtrl::FindItem(long start, long data)
 {

-    LV_FINDINFO findInfo;
+    long  idx = start + 1;
+    long count = GetItemCount();

 
 

-    findInfo.flags = LVFI_PARAM;
-    findInfo.lParam = data;
+    while (idx < count)
+    {
+        if (GetItemData(idx) == data)
+            return idx;
+        idx++;
+    };

 
 

-    return ListView_FindItem(GetHwnd(), (int) start, & findInfo);
+    return -1;

 }
 
 // Find an item nearest this position in the specified direction, starting from
 }
 
 // Find an item nearest this position in the specified direction, starting from


@@ -1407,8 +1464,12 @@ long wxListCtrl::InsertItem(wxListItem& info)
     }
     };
 
     }
     };
 

+    long rv = ListView_InsertItem(GetHwnd(), & item);
+    m_count += 1;
+    wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()),
+                  wxT("m_count should match ListView_GetItemCount"));

 
 

-    return (long) ListView_InsertItem(GetHwnd(), & item);
+    return rv;

 }
 
 long wxListCtrl::InsertItem(long index, const wxString& label)
 }
 
 long wxListCtrl::InsertItem(long index, const wxString& label)


@@ -1455,34 +1516,18 @@ long wxListCtrl::InsertColumn(long col, wxListItem& item)
         lvCol.cx = 80;
     }
 
         lvCol.cx = 80;
     }
 

-    // when we insert a column which can contain an image, we must specify this
-    // flag right now as doing it later in SetColumn() has no effect
-    //
-    // we use LVCFMT_BITMAP_ON_RIGHT by default because without it there is no
-    // way to dynamically set/clear the bitmap as the column without a bitmap
-    // on the left looks ugly (there is a hole)
-    //
-    // unfortunately with my version of comctl32.dll (5.80), the left column
-    // image is always on the left and it seems that it's a "feature" - I
-    // didn't find any way to work around it in any case
-    if ( lvCol.mask & LVCF_IMAGE )
-    {
-        lvCol.mask |= LVCF_FMT;
-        lvCol.fmt |= LVCFMT_BITMAP_ON_RIGHT;
-    }
-
-    bool success = ListView_InsertColumn(GetHwnd(), col, &lvCol) != -1;
-    if ( success )
+    long n = ListView_InsertColumn(GetHwnd(), col, &lvCol);
+    if ( n != -1 )

     {
         m_colCount++;
     }
     {
         m_colCount++;
     }

-    else
+    else // failed to insert?

     {
         wxLogDebug(wxT("Failed to insert the column '%s' into listview!"),
                    lvCol.pszText);
     }
 
     {
         wxLogDebug(wxT("Failed to insert the column '%s' into listview!"),
                    lvCol.pszText);
     }
 

-    return success;
+    return n;

 }
 
 long wxListCtrl::InsertColumn(long col,
 }
 
 long wxListCtrl::InsertColumn(long col,


@@ -1503,14 +1548,18 @@ long wxListCtrl::InsertColumn(long col,
     return InsertColumn(col, item);
 }
 
     return InsertColumn(col, item);
 }
 

-// Scrolls the list control. If in icon, small icon or report view mode,
-// x specifies the number of pixels to scroll. If in list view mode, x
-// specifies the number of columns to scroll.
-// If in icon, small icon or list view mode, y specifies the number of pixels
-// to scroll. If in report view mode, y specifies the number of lines to scroll.
+// scroll the control by the given number of pixels (exception: in list view,
+// dx is interpreted as number of columns)

 bool wxListCtrl::ScrollList(int dx, int dy)
 {
 bool wxListCtrl::ScrollList(int dx, int dy)
 {

-    return (ListView_Scroll(GetHwnd(), dx, dy) != 0);
+    if ( !ListView_Scroll(GetHwnd(), dx, dy) )
+    {
+        wxLogDebug(_T("ListView_Scroll(%d, %d) failed"), dx, dy);
+
+        return FALSE;
+    }
+
+    return TRUE;

 }
 
 // Sort items.
 }
 
 // Sort items.


@@ -1596,6 +1645,7 @@ bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id)
 
 bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 {
 
 bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 {

+

     // prepare the event
     // -----------------
 
     // prepare the event
     // -----------------
 


@@ -1630,6 +1680,11 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             // work around is to simply catch both versions and hope that it
             // works (why should this message exist in ANSI and Unicode is
             // beyond me as it doesn't deal with strings at all...)
             // work around is to simply catch both versions and hope that it
             // works (why should this message exist in ANSI and Unicode is
             // beyond me as it doesn't deal with strings at all...)

+            //
+            // note that fr HDN_TRACK another possibility could be to use
+            // HDN_ITEMCHANGING but it is sent even after HDN_ENDTRACK and when
+            // something other than the item width changes so we'd have to
+            // filter out the unwanted events then

             case HDN_BEGINTRACKA:
             case HDN_BEGINTRACKW:
                 eventType = wxEVT_COMMAND_LIST_COL_BEGIN_DRAG;
             case HDN_BEGINTRACKA:
             case HDN_BEGINTRACKW:
                 eventType = wxEVT_COMMAND_LIST_COL_BEGIN_DRAG;


@@ -1645,6 +1700,8 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             case HDN_ENDTRACKW:
                 if ( eventType == wxEVT_NULL )
                     eventType = wxEVT_COMMAND_LIST_COL_END_DRAG;
             case HDN_ENDTRACKW:
                 if ( eventType == wxEVT_NULL )
                     eventType = wxEVT_COMMAND_LIST_COL_END_DRAG;

+
+                event.m_item.m_width = nmHDR->pitem->cxy;

                 event.m_col = nmHDR->iItem;
                 break;
 
                 event.m_col = nmHDR->iItem;
                 break;
 


@@ -1689,6 +1746,22 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 }
                 break;
 
                 }
                 break;
 

+            case HDN_GETDISPINFOW:
+                {
+                    LPNMHDDISPINFOW info = (LPNMHDDISPINFOW) lParam;
+                    // This is a fix for a strange bug under XP.
+                    // Normally, info->iItem is a valid index, but
+                    // sometimes this is a silly (large) number
+                    // and when we return FALSE via wxControl::MSWOnNotify
+                    // to indicate that it hasn't yet been processed,
+                    // there's a GPF in Windows.
+                    // By returning TRUE here, we avoid further processing
+                    // of this strange message.
+                    if ( info->iItem >= GetColumnCount() )
+                        return TRUE;
+                }
+                // fall through
+

             default:
                 return wxControl::MSWOnNotify(idCtrl, lParam, result);
         }
             default:
                 return wxControl::MSWOnNotify(idCtrl, lParam, result);
         }


@@ -1700,8 +1773,30 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
         // almost all messages use NM_LISTVIEW
         NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr;
 
         // almost all messages use NM_LISTVIEW
         NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr;
 

-        // this is true for almost all events
-        event.m_item.m_data = nmLV->lParam;
+        const int iItem = nmLV->iItem;
+
+
+        // FreeAllInternalData will cause LVN_ITEMCHANG* messages, which can be
+        // ignored for efficiency.  It is done here because the internal data is in the
+        // process of being deleted so we don't want to try and access it below.
+        if ( m_ignoreChangeMessages &&
+             ( (nmLV->hdr.code == LVN_ITEMCHANGED) || (nmLV->hdr.code == LVN_ITEMCHANGING)))
+        {
+            return TRUE;
+        }
+
+
+        // If we have a valid item then check if there is a data value
+        // associated with it and put it in the event.
+        if ( iItem >= 0 && iItem < GetItemCount() )
+        {
+            wxListItemInternalData *internaldata =
+                wxGetInternalData(GetHwnd(), iItem);
+
+            if ( internaldata )
+                event.m_item.m_data = internaldata->lParam;
+        }
+

 
         switch ( nmhdr->code )
         {
 
         switch ( nmhdr->code )
         {


@@ -1715,7 +1810,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                     eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG;
                 }
 
                     eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG;
                 }
 

-                event.m_itemIndex = nmLV->iItem;
+                event.m_itemIndex = iItem;

                 event.m_pointDrag.x = nmLV->ptAction.x;
                 event.m_pointDrag.y = nmLV->ptAction.y;
                 break;
                 event.m_pointDrag.x = nmLV->ptAction.x;
                 event.m_pointDrag.y = nmLV->ptAction.y;
                 break;


@@ -1746,7 +1841,19 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                     wxConvertFromMSWListItem(NULL, event.m_item, item);
                     if ( ((LV_ITEM)item).pszText == NULL ||
                          ((LV_ITEM)item).iItem == -1 )
                     wxConvertFromMSWListItem(NULL, event.m_item, item);
                     if ( ((LV_ITEM)item).pszText == NULL ||
                          ((LV_ITEM)item).iItem == -1 )

+                    {
+                        // don't keep a stale wxTextCtrl around
+                        if ( m_textCtrl )
+                        {
+                            // EDIT control will be deleted by the list control itself so
+                            // prevent us from deleting it as well
+                            m_textCtrl->UnsubclassWin();
+                            m_textCtrl->SetHWND(0);
+                            delete m_textCtrl;
+                            m_textCtrl = NULL;
+                        }

                         return FALSE;
                         return FALSE;

+                    }

 
                     event.m_itemIndex = event.m_item.m_itemId;
                 }
 
                     event.m_itemIndex = event.m_item.m_itemId;
                 }


@@ -1758,7 +1865,19 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                     wxConvertFromMSWListItem(NULL, event.m_item, item);
                     if ( ((LV_ITEM)item).pszText == NULL ||
                          ((LV_ITEM)item).iItem == -1 )
                     wxConvertFromMSWListItem(NULL, event.m_item, item);
                     if ( ((LV_ITEM)item).pszText == NULL ||
                          ((LV_ITEM)item).iItem == -1 )

+                    {
+                        // don't keep a stale wxTextCtrl around
+                        if ( m_textCtrl )
+                        {
+                            // EDIT control will be deleted by the list control itself so
+                            // prevent us from deleting it as well
+                            m_textCtrl->UnsubclassWin();
+                            m_textCtrl->SetHWND(0);
+                            delete m_textCtrl;
+                            m_textCtrl = NULL;
+                        }

                         return FALSE;
                         return FALSE;

+                    }

 
                     event.m_itemIndex = event.m_item.m_itemId;
                 }
 
                     event.m_itemIndex = event.m_item.m_itemId;
                 }


@@ -1771,15 +1890,21 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 break;
 
             case LVN_DELETEALLITEMS:
                 break;
 
             case LVN_DELETEALLITEMS:

+                m_count = 0;

                 eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
                 event.m_itemIndex = -1;
                 break;
 
             case LVN_DELETEITEM:
                 eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
                 event.m_itemIndex = -1;
                 break;
 
             case LVN_DELETEITEM:

+                if (m_count == 0)
+                    // this should be prevented by the post-processing code below,
+                    // but "just in case"
+                    return FALSE;
+

                 eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
                 eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;

-                event.m_itemIndex = nmLV->iItem;
+                event.m_itemIndex = iItem;

                 // delete the assoicated internal data
                 // delete the assoicated internal data

-                wxDeleteInternalData(this, nmLV->iItem);
+                wxDeleteInternalData(this, iItem);

                 break;
 
             case LVN_SETDISPINFO:
                 break;
 
             case LVN_SETDISPINFO:


@@ -1792,25 +1917,33 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
             case LVN_INSERTITEM:
                 eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
 
             case LVN_INSERTITEM:
                 eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;

-                event.m_itemIndex = nmLV->iItem;
+                event.m_itemIndex = iItem;

                 break;
 
             case LVN_ITEMCHANGED:
                 // we translate this catch all message into more interesting
                 // (and more easy to process) wxWindows events
 
                 break;
 
             case LVN_ITEMCHANGED:
                 // we translate this catch all message into more interesting
                 // (and more easy to process) wxWindows events
 

-                // first of all, we deal with the state change events only
-                if ( nmLV->uChanged & LVIF_STATE )
+                // first of all, we deal with the state change events only and
+                // only for valid items (item == -1 for the virtual list
+                // control)
+                if ( nmLV->uChanged & LVIF_STATE && iItem != -1 )

                 {
                     // temp vars for readability
                     const UINT stOld = nmLV->uOldState;
                     const UINT stNew = nmLV->uNewState;
 
                 {
                     // temp vars for readability
                     const UINT stOld = nmLV->uOldState;
                     const UINT stNew = nmLV->uNewState;
 

+                    event.m_item.SetId(iItem);
+                    event.m_item.SetMask(wxLIST_MASK_TEXT |
+                                         wxLIST_MASK_IMAGE |
+                                         wxLIST_MASK_DATA);
+                    GetItem(event.m_item);
+

                     // has the focus changed?
                     if ( !(stOld & LVIS_FOCUSED) && (stNew & LVIS_FOCUSED) )
                     {
                         eventType = wxEVT_COMMAND_LIST_ITEM_FOCUSED;
                     // has the focus changed?
                     if ( !(stOld & LVIS_FOCUSED) && (stNew & LVIS_FOCUSED) )
                     {
                         eventType = wxEVT_COMMAND_LIST_ITEM_FOCUSED;

-                        event.m_itemIndex = nmLV->iItem;
+                        event.m_itemIndex = iItem;

                     }
 
                     if ( (stNew & LVIS_SELECTED) != (stOld & LVIS_SELECTED) )
                     }
 
                     if ( (stNew & LVIS_SELECTED) != (stOld & LVIS_SELECTED) )


@@ -1827,7 +1960,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                         {
                             // then need to set m_itemIndex as it wasn't done
                             // above
                         {
                             // then need to set m_itemIndex as it wasn't done
                             // above

-                            event.m_itemIndex = nmLV->iItem;
+                            event.m_itemIndex = iItem;

                         }
 
                         eventType = stNew & LVIS_SELECTED
                         }
 
                         eventType = stNew & LVIS_SELECTED


@@ -1895,16 +2028,16 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
                 // else translate it into wxEVT_COMMAND_LIST_ITEM_ACTIVATED event
                 // if it happened on an item (and not on empty place)
 
                 // else translate it into wxEVT_COMMAND_LIST_ITEM_ACTIVATED event
                 // if it happened on an item (and not on empty place)

-                if ( nmLV->iItem == -1 )
+                if ( iItem == -1 )

                 {
                     // not on item
                     return FALSE;
                 }
 
                 eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
                 {
                     // not on item
                     return FALSE;
                 }
 
                 eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;

-                event.m_itemIndex = nmLV->iItem;
-                event.m_item.m_text = GetItemText(nmLV->iItem);
-                event.m_item.m_data = GetItemData(nmLV->iItem);
+                event.m_itemIndex = iItem;
+                event.m_item.m_text = GetItemText(iItem);
+                event.m_item.m_data = GetItemData(iItem);

                 break;
 
             case NM_RCLICK:
                 break;
 
             case NM_RCLICK:


@@ -1933,8 +2066,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 }
                 break;
 
                 }
                 break;
 

-#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
-        && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
+#ifdef NM_CUSTOMDRAW

             case NM_CUSTOMDRAW:
                 *result = OnCustomDraw(lParam);
 
             case NM_CUSTOMDRAW:
                 *result = OnCustomDraw(lParam);
 


@@ -1947,21 +2079,18 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
                     eventType = wxEVT_COMMAND_LIST_CACHE_HINT;
 
 
                     eventType = wxEVT_COMMAND_LIST_CACHE_HINT;
 

-                    // we get some really stupid cache hints like ones for items in
-                    // range 0..0 for an empty control or, after deleting an item,
-                    // for items in invalid range - filter this garbage out
-                    if ( cacheHint->iFrom < cacheHint->iTo )
-                    {
-                        event.m_oldItemIndex = cacheHint->iFrom;
-
-                        long iMax = GetItemCount();
-                        event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo
-                                                                  : iMax - 1;
-                    }
-                    else
-                    {
+                    // we get some really stupid cache hints like ones for
+                    // items in range 0..0 for an empty control or, after
+                    // deleting an item, for items in invalid range -- filter
+                    // this garbage out
+                    if ( cacheHint->iFrom > cacheHint->iTo )

                         return FALSE;
                         return FALSE;

-                    }
+
+                    event.m_oldItemIndex = cacheHint->iFrom;
+
+                    const long iMax = GetItemCount();
+                    event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo
+                                                              : iMax - 1;

                 }
                 break;
 
                 }
                 break;
 


@@ -1979,13 +2108,13 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                         wxStrncpy(lvi.pszText, text, lvi.cchTextMax);
                     }
 
                         wxStrncpy(lvi.pszText, text, lvi.cchTextMax);
                     }
 

-#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
-        && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 1 ) )
+                    // see comment at the end of wxListCtrl::GetColumn()
+#ifdef NM_CUSTOMDRAW

                     if ( lvi.mask & LVIF_IMAGE )
                     {
                         lvi.iImage = OnGetItemImage(item);
                     }
                     if ( lvi.mask & LVIF_IMAGE )
                     {
                         lvi.iImage = OnGetItemImage(item);
                     }

-#endif
+#endif // NM_CUSTOMDRAW

 
                     // a little dose of healthy paranoia: as we never use
                     // LVM_SETCALLBACKMASK we're not supposed to get these ones
 
                     // a little dose of healthy paranoia: as we never use
                     // LVM_SETCALLBACKMASK we're not supposed to get these ones


@@ -2011,12 +2140,10 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
     event.SetEventType(eventType);
 
 
     event.SetEventType(eventType);
 

-    if ( !GetEventHandler()->ProcessEvent(event) )
-        return FALSE;
+    bool processed = GetEventHandler()->ProcessEvent(event);

 
     // post processing
     // ---------------
 
     // post processing
     // ---------------

-

     switch ( nmhdr->code )
     {
         case LVN_DELETEALLITEMS:
     switch ( nmhdr->code )
     {
         case LVN_DELETEALLITEMS:


@@ -2024,7 +2151,6 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             // notifications - this makes deleting all items from a list ctrl
             // much faster
             *result = TRUE;
             // notifications - this makes deleting all items from a list ctrl
             // much faster
             *result = TRUE;

-

             return TRUE;
 
         case LVN_ENDLABELEDITA:
             return TRUE;
 
         case LVN_ENDLABELEDITA:


@@ -2032,15 +2158,28 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             // logic here is inversed compared to all the other messages
             *result = event.IsAllowed();
 
             // logic here is inversed compared to all the other messages
             *result = event.IsAllowed();
 

+            // don't keep a stale wxTextCtrl around
+            if ( m_textCtrl )
+            {
+                // EDIT control will be deleted by the list control itself so
+                // prevent us from deleting it as well
+                m_textCtrl->UnsubclassWin();
+                m_textCtrl->SetHWND(0);
+                delete m_textCtrl;
+                m_textCtrl = NULL;
+            }
+

             return TRUE;
     }
 
             return TRUE;
     }
 

-    *result = !event.IsAllowed();
+    if ( processed )
+        *result = !event.IsAllowed();

 
 

-    return TRUE;
+    return processed;

 }
 
 }
 

-#if defined(_WIN32_IE) && _WIN32_IE >= 0x300
+// see comment at the end of wxListCtrl::GetColumn()
+#ifdef NM_CUSTOMDRAW // _WIN32_IE >= 0x0300

 
 WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam)
 {
 
 WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam)
 {


@@ -2193,7 +2332,7 @@ void wxListCtrl::OnPaint(wxPaintEvent& event)
             {
                 int colWidth = GetColumnWidth(col);
                 x += colWidth ;
             {
                 int colWidth = GetColumnWidth(col);
                 x += colWidth ;

-                dc.DrawLine(x, firstItemRect.GetY() - 2, x, itemRect.GetBottom());
+                dc.DrawLine(x-1, firstItemRect.GetY() - 2, x-1, itemRect.GetBottom());

             }
         }
     }
             }
         }
     }


@@ -2207,7 +2346,7 @@ wxString wxListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) cons
 {
     // this is a pure virtual function, in fact - which is not really pure
     // because the controls which are not virtual don't need to implement it
 {
     // this is a pure virtual function, in fact - which is not really pure
     // because the controls which are not virtual don't need to implement it

-    wxFAIL_MSG( _T("not supposed to be called") );
+    wxFAIL_MSG( _T("wxListCtrl::OnGetItemText not supposed to be called") );

 
     return wxEmptyString;
 }
 
     return wxEmptyString;
 }


@@ -2215,7 +2354,7 @@ wxString wxListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) cons
 int wxListCtrl::OnGetItemImage(long WXUNUSED(item)) const
 {
     // same as above
 int wxListCtrl::OnGetItemImage(long WXUNUSED(item)) const
 {
     // same as above

-    wxFAIL_MSG( _T("not supposed to be called") );
+    wxFAIL_MSG( _T("wxListCtrl::OnGetItemImage not supposed to be called") );

 
     return -1;
 }
 
     return -1;
 }


@@ -2233,10 +2372,13 @@ void wxListCtrl::SetItemCount(long count)
 {
     wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") );
 
 {
     wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") );
 

-    if ( !::SendMessage(GetHwnd(), LVM_SETITEMCOUNT, (WPARAM)count, 0) )
+    if ( !::SendMessage(GetHwnd(), LVM_SETITEMCOUNT, (WPARAM)count, LVSICF_NOSCROLL) )

     {
         wxLogLastError(_T("ListView_SetItemCount"));
     }
     {
         wxLogLastError(_T("ListView_SetItemCount"));
     }

+    m_count = count;
+    wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()),
+                  wxT("m_count should match ListView_GetItemCount"));

 }
 
 void wxListCtrl::RefreshItem(long item)
 }
 
 void wxListCtrl::RefreshItem(long item)


@@ -2299,13 +2441,13 @@ static void wxDeleteInternalData(wxListCtrl* ctl, long itemId)
     wxListItemInternalData *data = wxGetInternalData(ctl, itemId);
     if (data)
     {
     wxListItemInternalData *data = wxGetInternalData(ctl, itemId);
     if (data)
     {

-        delete data;

         LV_ITEM item;
         memset(&item, 0, sizeof(item));
         item.iItem = itemId;
         item.mask = LVIF_PARAM;
         item.lParam = (LPARAM) 0;
         ListView_SetItem((HWND)ctl->GetHWND(), &item);
         LV_ITEM item;
         memset(&item, 0, sizeof(item));
         item.iItem = itemId;
         item.mask = LVIF_PARAM;
         item.lParam = (LPARAM) 0;
         ListView_SetItem((HWND)ctl->GetHWND(), &item);

+        delete data;

     }
 }
 
     }
 }
 


@@ -2499,18 +2641,29 @@ static void wxConvertToMSWListCol(int WXUNUSED(col), const wxListItem& item,
             lvCol.cx = item.m_width;
     }
 
             lvCol.cx = item.m_width;
     }
 

-#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
-        && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 1 ) )
+    // see comment at the end of wxListCtrl::GetColumn()
+#ifdef NM_CUSTOMDRAW // _WIN32_IE >= 0x0300

     if ( item.m_mask & wxLIST_MASK_IMAGE )
     {
         if ( wxTheApp->GetComCtl32Version() >= 470 )
         {
     if ( item.m_mask & wxLIST_MASK_IMAGE )
     {
         if ( wxTheApp->GetComCtl32Version() >= 470 )
         {

-            lvCol.mask |= LVCF_IMAGE;
+            lvCol.mask |= LVCF_IMAGE | LVCF_FMT;
+
+            // we use LVCFMT_BITMAP_ON_RIGHT because thei mages on the right
+            // seem to be generally nicer than on the left and the generic
+            // version only draws them on the right (we don't have a flag to
+            // specify the image location anyhow)
+            //
+            // we don't use LVCFMT_COL_HAS_IMAGES because it doesn't seem to
+            // make any difference in my tests -- but maybe we should?
+            lvCol.fmt |= LVCFMT_BITMAP_ON_RIGHT | LVCFMT_IMAGE;
+

             lvCol.iImage = item.m_image;
         }
         //else: it doesn't support item images anyhow
     }
             lvCol.iImage = item.m_image;
         }
         //else: it doesn't support item images anyhow
     }

-#endif
+#endif // _WIN32_IE >= 0x0300

 }
 
 #endif // wxUSE_LISTCTRL
 }
 
 #endif // wxUSE_LISTCTRL

+