]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/treectrl.cpp
compilation fix
[wxWidgets.git] / src / msw / treectrl.cpp
index 24ead62f4f62a3c8175e62386d12bf5e47b6dadd..728801273ede6a870f06ce2a6c93d741dda15e7b 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        treectrl.cpp
+// Name:        src/msw/treectrl.cpp
 // Purpose:     wxTreeCtrl
 // Author:      Julian Smart
 // Modified by: Vadim Zeitlin to be less MSW-specific on 10.10.98
@@ -16,6 +16,7 @@
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
+
 #ifdef __GNUG__
     #pragma implementation "treectrl.h"
 #endif
     #pragma hdrstop
 #endif
 
+#if wxUSE_TREECTRL
+
 #include "wx/msw/private.h"
 
-// Set this to 1 to be _absolutely_ sure that repainting will work for all comctl32.dll versions
+// Set this to 1 to be _absolutely_ sure that repainting will work for all
+// comctl32.dll versions
 #define wxUSE_COMCTL32_SAFELY 0
 
 // Mingw32 is a bit mental even though this is done in winundef
@@ -43,6 +47,7 @@
 
 #if defined(__WIN95__)
 
+#include "wx/app.h"
 #include "wx/log.h"
 #include "wx/dynarray.h"
 #include "wx/imaglist.h"
@@ -54,7 +59,7 @@
     #include "wx/msw/gnuwin32/extra.h"
 #endif
 
-#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) || defined(__TWIN32__))
+#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
     #include <commctrl.h>
 #endif
 
     #define TVS_CHECKBOXES          0x0100
 #endif
 
+#ifndef TVS_FULLROWSELECT
+    #define TVS_FULLROWSELECT       0x1000
+#endif
+
 // old headers might miss these messages (comctl32.dll 4.71+ only)
 #ifndef TVM_SETBKCOLOR
     #define TVM_SETBKCOLOR          (TV_FIRST + 29)
@@ -88,6 +97,7 @@
 // looks quite ugly.
 #define wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE 0
 
+
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------
@@ -368,7 +378,7 @@ public:
             DoTraverse(root, recursively);
         }
 
-    virtual bool OnVisit(const wxTreeItemId& item)
+    virtual bool OnVisit(const wxTreeItemId& WXUNUSED(item))
     {
         m_count++;
 
@@ -391,11 +401,12 @@ private:
 //
 // There is only one problem with this: when we retrieve the item's data, we
 // don't know whether we get a pointer to wxTreeItemData or
-// wxTreeItemIndirectData. So we have to maintain a list of all items which
-// have indirect data inside the listctrl itself.
+// wxTreeItemIndirectData. So we always set the item id to an invalid value
+// in this class and the code using the client data checks for it and retrieves
+// the real client data in this case.
 // ----------------------------------------------------------------------------
 
-class wxTreeItemIndirectData
+class wxTreeItemIndirectData : public wxTreeItemData
 {
 public:
     // ctor associates this data with the item and the real item data becomes
@@ -412,10 +423,13 @@ public:
 
         // and set ourselves as the new one
         tree->SetIndirectItemData(item, this);
+
+        // we must have the invalid value for the item
+        m_pItem = 0l;
     }
 
     // dtor deletes the associated data as well
-    ~wxTreeItemIndirectData() { delete m_data; }
+    virtual ~wxTreeItemIndirectData() { delete m_data; }
 
     // accessors
         // get the real data associated with the item
@@ -434,6 +448,7 @@ private:
     // all the images associated with the item
     int m_images[wxTreeItemIcon_Max];
 
+    // the real client data
     wxTreeItemData *m_data;
 };
 
@@ -448,7 +463,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl)
 // ----------------------------------------------------------------------------
 
 // handy table for sending events
-static const wxEventType g_events[2][2] =
+static wxEventType g_events[2][2] =
 {
     { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, wxEVT_COMMAND_TREE_ITEM_COLLAPSING },
     { wxEVT_COMMAND_TREE_ITEM_EXPANDED,  wxEVT_COMMAND_TREE_ITEM_EXPANDING  }
@@ -497,11 +512,19 @@ void wxTreeCtrl::Init()
 {
     m_imageListNormal = NULL;
     m_imageListState = NULL;
+    m_ownsImageListNormal = m_ownsImageListState = FALSE;
     m_textCtrl = NULL;
     m_hasAnyAttr = FALSE;
     m_dragImage = NULL;
-
     m_htSelStart = 0;
+
+    // Initialize static array of events, because with the new event system,
+    // they may not be initialized yet.
+
+    g_events[0][0] = wxEVT_COMMAND_TREE_ITEM_COLLAPSED;
+    g_events[0][1] = wxEVT_COMMAND_TREE_ITEM_COLLAPSING;
+    g_events[1][0] = wxEVT_COMMAND_TREE_ITEM_EXPANDED;
+    g_events[1][1] = wxEVT_COMMAND_TREE_ITEM_EXPANDING;
 }
 
 bool wxTreeCtrl::Create(wxWindow *parent,
@@ -518,7 +541,10 @@ bool wxTreeCtrl::Create(wxWindow *parent,
         return FALSE;
 
     DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
-                   TVS_SHOWSELALWAYS /* | WS_CLIPSIBLINGS */;
+                   TVS_SHOWSELALWAYS;
+
+    if ( m_windowStyle & wxCLIP_SIBLINGS )
+        wstyle |= WS_CLIPSIBLINGS;
 
     if ((m_windowStyle & wxTR_NO_LINES) == 0)
         wstyle |= TVS_HASLINES;
@@ -530,6 +556,13 @@ bool wxTreeCtrl::Create(wxWindow *parent,
 
     if ( m_windowStyle & wxTR_LINES_AT_ROOT )
         wstyle |= TVS_LINESATROOT;
+    
+    if ( m_windowStyle & wxTR_FULL_ROW_HIGHLIGHT )
+    {    
+        if ( wxTheApp->GetComCtl32Version() >= 471 )
+            wstyle |= TVS_FULLROWSELECT;
+    }
+
 
     // using TVS_CHECKBOXES for emulation of a multiselection tree control
     // doesn't work without the new enough headers
@@ -550,10 +583,10 @@ bool wxTreeCtrl::Create(wxWindow *parent,
         return FALSE;
 
 #if wxUSE_COMCTL32_SAFELY
-    wxWindow::SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+    wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
     wxWindow::SetForegroundColour(wxWindow::GetParent()->GetForegroundColour());
 #elif 1
-    SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+    SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
     SetForegroundColour(wxWindow::GetParent()->GetForegroundColour());
 #else
     // This works around a bug in the Windows tree control whereby for some versions
@@ -562,7 +595,7 @@ bool wxTreeCtrl::Create(wxWindow *parent,
     // THIS FIX NOW REVERTED since it caused problems on _other_ systems.
     // Assume the user has an updated comctl32.dll.
     ::SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0,-1);
-    wxWindow::SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+    wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
     SetForegroundColour(wxWindow::GetParent()->GetForegroundColour());
 #endif
 
@@ -641,6 +674,9 @@ wxTreeCtrl::~wxTreeCtrl()
 
     // delete user data to prevent memory leaks
     DeleteAllItems();
+
+    if (m_ownsImageListNormal) delete m_imageListNormal;
+    if (m_ownsImageListState) delete m_imageListState;
 }
 
 // ----------------------------------------------------------------------------
@@ -704,12 +740,28 @@ void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which)
 
 void wxTreeCtrl::SetImageList(wxImageList *imageList)
 {
+    if (m_ownsImageListNormal) delete m_imageListNormal;
     SetAnyImageList(m_imageListNormal = imageList, TVSIL_NORMAL);
+    m_ownsImageListNormal = FALSE;
 }
 
 void wxTreeCtrl::SetStateImageList(wxImageList *imageList)
 {
+    if (m_ownsImageListState) delete m_imageListState;
     SetAnyImageList(m_imageListState = imageList, TVSIL_STATE);
+    m_ownsImageListState = FALSE;
+}
+
+void wxTreeCtrl::AssignImageList(wxImageList *imageList)
+{
+    SetImageList(imageList);
+    m_ownsImageListNormal = TRUE;
+}
+
+void wxTreeCtrl::AssignStateImageList(wxImageList *imageList)
+{
+    SetStateImageList(imageList);
+    m_ownsImageListState = TRUE;
 }
 
 size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item,
@@ -919,18 +971,23 @@ wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
         return NULL;
     }
 
-    if ( HasIndirectData(item) )
+    wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam;
+    if ( IsDataIndirect(data) )
     {
-        return ((wxTreeItemIndirectData *)tvItem.lParam)->GetData();
-    }
-    else
-    {
-        return (wxTreeItemData *)tvItem.lParam;
+        data = ((wxTreeItemIndirectData *)data)->GetData();
     }
+
+    return data;
 }
 
 void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
 {
+    // first, associate this piece of data with this item
+    if ( data )
+    {
+        data->SetId(item);
+    }
+
     wxTreeViewItem tvItem(item, TVIF_PARAM);
 
     if ( HasIndirectData(item) )
@@ -960,14 +1017,21 @@ void wxTreeCtrl::SetIndirectItemData(const wxTreeItemId& item,
     // wxTreeItemIndirectData as well
     wxASSERT_MSG( !HasIndirectData(item), wxT("setting indirect data twice?") );
 
-    SetItemData(item, (wxTreeItemData *)data);
-
-    m_itemsWithIndirectData.Add(item);
+    SetItemData(item, data);
 }
 
 bool wxTreeCtrl::HasIndirectData(const wxTreeItemId& item) const
 {
-    return m_itemsWithIndirectData.Index(item) != wxNOT_FOUND;
+    // query the item itself
+    wxTreeViewItem tvItem(item, TVIF_PARAM);
+    if ( !DoGetItem(&tvItem) )
+    {
+        return FALSE;
+    }
+
+    wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam;
+
+    return data && IsDataIndirect(data);
 }
 
 void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
@@ -991,6 +1055,15 @@ void wxTreeCtrl::SetItemDropHighlight(const wxTreeItemId& item, bool highlight)
     DoSetItem(&tvItem);
 }
 
+void wxTreeCtrl::RefreshItem(const wxTreeItemId& item)
+{
+    wxRect rect;
+    if ( GetBoundingRect(item, rect) )
+    {
+        RefreshRect(rect);
+    }
+}
+
 void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item,
                                    const wxColour& col)
 {
@@ -1005,6 +1078,8 @@ void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item,
     }
 
     attr->SetTextColour(col);
+
+    RefreshItem(item);
 }
 
 void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
@@ -1021,6 +1096,8 @@ void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
     }
 
     attr->SetBackgroundColour(col);
+
+    RefreshItem(item);
 }
 
 void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
@@ -1036,6 +1113,8 @@ void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
     }
 
     attr->SetFont(font);
+
+    RefreshItem(item);
 }
 
 // ----------------------------------------------------------------------------
@@ -1053,7 +1132,6 @@ bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const
 
     // FALSE means get item rect for the whole item, not only text
     return SendMessage(GetHwnd(), TVM_GETITEMRECT, FALSE, (LPARAM)&rect) != 0;
-
 }
 
 bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
@@ -1102,7 +1180,7 @@ wxTreeItemId wxTreeCtrl::GetRootItem() const
 
 wxTreeItemId wxTreeCtrl::GetSelection() const
 {
-    wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), (WXHTREEITEM)0,
+    wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), (long)(WXHTREEITEM)0,
                  wxT("this only works with single selection controls") );
 
     return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(GetHwnd()));
@@ -1301,7 +1379,7 @@ wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text,
                                  int image, int selectedImage,
                                  wxTreeItemData *data)
 {
-    return DoInsertItem(wxTreeItemId((WXHTREEITEM) 0), (WXHTREEITEM) 0,
+    return DoInsertItem(wxTreeItemId((long) (WXHTREEITEM) 0), (long)(WXHTREEITEM) 0,
                         text, image, selectedImage, data);
 }
 
@@ -1466,7 +1544,7 @@ void wxTreeCtrl::Unselect()
                   wxT("doesn't make sense, may be you want UnselectAll()?") );
 
     // just remove the selection
-    SelectItem(wxTreeItemId((WXHTREEITEM) 0));
+    SelectItem(wxTreeItemId((long) (WXHTREEITEM) 0));
 }
 
 void wxTreeCtrl::UnselectAll()
@@ -1570,6 +1648,14 @@ void wxTreeCtrl::DeleteTextCtrl()
 {
     if ( m_textCtrl )
     {
+        // the HWND corresponding to this control is deleted by the tree
+        // control itself and we don't know when exactly this happens, so check
+        // if the window still exists before calling UnsubclassWin()
+        if ( !::IsWindow(GetHwndOf(m_textCtrl)) )
+        {
+            m_textCtrl->SetHWND(0);
+        }
+
         m_textCtrl->UnsubclassWin();
         m_textCtrl->SetHWND(0);
         delete m_textCtrl;
@@ -1594,6 +1680,7 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item,
     }
 
     m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject();
+    m_textCtrl->SetParent(this);
     m_textCtrl->SetHWND((WXHWND)hWnd);
     m_textCtrl->SubclassWin((WXHWND)hWnd);
 
@@ -1601,7 +1688,7 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item,
 }
 
 // End label editing, optionally cancelling the edit
-void wxTreeCtrl::EndEditLabel(const wxTreeItemId& item, bool discardChanges)
+void wxTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool discardChanges)
 {
     TreeView_EndEditLabelNow(GetHwnd(), discardChanges);
 
@@ -1662,14 +1749,37 @@ bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item,
 // sorting stuff
 // ----------------------------------------------------------------------------
 
-static int CALLBACK TreeView_CompareCallback(wxTreeItemData *pItem1,
-                                             wxTreeItemData *pItem2,
-                                             wxTreeCtrl *tree)
+// this is just a tiny namespace which is friend to wxTreeCtrl and so can use
+// functions such as IsDataIndirect()
+class wxTreeSortHelper
+{
+public:
+    static int CALLBACK Compare(LPARAM data1, LPARAM data2, LPARAM tree);
+
+private:
+    static wxTreeItemId GetIdFromData(wxTreeCtrl *tree, LPARAM item)
+    {
+        wxTreeItemData *data = (wxTreeItemData *)item;
+        if ( tree->IsDataIndirect(data) )
+        {
+            data = ((wxTreeItemIndirectData *)data)->GetData();
+        }
+
+        return data->GetId();
+    }
+};
+
+int CALLBACK wxTreeSortHelper::Compare(LPARAM pItem1,
+                                       LPARAM pItem2,
+                                       LPARAM htree)
 {
     wxCHECK_MSG( pItem1 && pItem2, 0,
                  wxT("sorting tree without data doesn't make sense") );
 
-    return tree->OnCompareItems(pItem1->GetId(), pItem2->GetId());
+    wxTreeCtrl *tree = (wxTreeCtrl *)htree;
+
+    return tree->OnCompareItems(GetIdFromData(tree, pItem1),
+                                GetIdFromData(tree, pItem2));
 }
 
 int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
@@ -1691,7 +1801,7 @@ void wxTreeCtrl::SortChildren(const wxTreeItemId& item)
     {
         TV_SORTCB tvSort;
         tvSort.hParent = HITEM(item);
-        tvSort.lpfnCompare = (PFNTVCOMPARE)TreeView_CompareCallback;
+        tvSort.lpfnCompare = wxTreeSortHelper::Compare;
         tvSort.lParam = (LPARAM)this;
         TreeView_SortChildrenCB(GetHwnd(), &tvSort, 0 /* reserved */);
     }
@@ -1733,7 +1843,6 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 {
     bool processed = FALSE;
     long rc = 0;
-
     bool isMultiple = (GetWindowStyle() & wxTR_MULTIPLE) != 0;
 
     if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) )
@@ -1925,7 +2034,6 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
         }
     }
 #endif // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
-
     if ( !processed )
         rc = wxControl::MSWWindowProc(nMsg, wParam, lParam);
 
@@ -2017,9 +2125,6 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             }
 
         case TVN_ITEMEXPANDING:
-            event.m_code = FALSE;
-            // fall through
-
         case TVN_ITEMEXPANDED:
             {
                 NM_TREEVIEW* tv = (NM_TREEVIEW*)lParam;
@@ -2051,7 +2156,13 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 eventType = wxEVT_COMMAND_TREE_KEY_DOWN;
                 TV_KEYDOWN *info = (TV_KEYDOWN *)lParam;
 
-                event.m_code = wxCharCodeMSWToWX(info->wVKey);
+                // we pass 0 as last CreateKeyEvent() parameter because we
+                // don't have access to the real key press flags here - but as
+                // it is only used to determin wxKeyEvent::m_altDown flag it's
+                // not too bad
+                event.m_evtKey = CreateKeyEvent(wxEVT_KEY_DOWN,
+                                                wxCharCodeMSWToWX(info->wVKey),
+                                                0);
 
                 // a separate event for Space/Return
                 if ( !wxIsCtrlDown() && !wxIsShiftDown() &&
@@ -2088,19 +2199,19 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             }
             break;
 
-#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 && !wxUSE_COMCTL32_SAFELY
+#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 && !wxUSE_COMCTL32_SAFELY && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
         case NM_CUSTOMDRAW:
             {
                 LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam;
                 NMCUSTOMDRAW& nmcd = lptvcd->nmcd;
-                switch( nmcd.dwDrawStage )
+                switch ( nmcd.dwDrawStage )
                 {
                     case CDDS_PREPAINT:
                         // if we've got any items with non standard attributes,
                         // notify us before painting each item
                         *result = m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW
                                                : CDRF_DODEFAULT;
-                        return TRUE;
+                        break;
 
                     case CDDS_ITEMPREPAINT:
                         {
@@ -2110,7 +2221,8 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                             if ( !attr )
                             {
                                 // nothing to do for this item
-                                return CDRF_DODEFAULT;
+                                *result = CDRF_DODEFAULT;
+                                break;
                             }
 
                             HFONT hFont;
@@ -2173,16 +2285,16 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                             {
                                 *result = CDRF_DODEFAULT;
                             }
-
-                            return TRUE;
                         }
+                        break;
 
                     default:
                         *result = CDRF_DODEFAULT;
-                        return TRUE;
                 }
             }
-            break;
+
+            // we always process it
+            return TRUE;
 #endif // _WIN32_IE >= 0x300
 
         case NM_DBLCLK:
@@ -2199,6 +2311,9 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                         eventType = (int)hdr->code == NM_DBLCLK
                                     ? wxEVT_COMMAND_TREE_ITEM_ACTIVATED
                                     : wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK;
+
+                        event.m_pointDrag.x = tvhti.pt.x;
+                        event.m_pointDrag.y = tvhti.pt.y;
                     }
 
                     break;
@@ -2254,13 +2369,6 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                     wxTreeItemIndirectData *data = (wxTreeItemIndirectData *)
                                                         tv->itemOld.lParam;
                     delete data; // can't be NULL here
-
-                    m_itemsWithIndirectData.Remove(item);
-#if 0
-                    int iIndex = m_itemsWithIndirectData.Index(item);
-                    wxASSERT( iIndex != wxNOT_FOUND) ;
-                    m_itemsWithIndirectData.wxBaseArray::RemoveAt((size_t)iIndex);
-#endif
                 }
                 else
                 {
@@ -2278,8 +2386,12 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             break;
 
         case TVN_ENDLABELEDIT:
-            // return TRUE to set the label to the new string
+            // return TRUE to set the label to the new string: note that we
+            // also must pretend that we did process the message or it is going
+            // to be passed to DefWindowProc() which will happily return FALSE
+            // cancelling the label change
             *result = event.IsAllowed();
+            processed = TRUE;
 
             // ensure that we don't have the text ctrl which is going to be
             // deleted any more
@@ -2295,7 +2407,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
         case TVN_GETDISPINFO:
             // NB: so far the user can't set the image himself anyhow, so do it
             //     anyway - but this may change later
-            if ( /* !processed && */ 1 )
+//          if ( /* !processed && */ 1 )
             {
                 wxTreeItemId item = event.m_item;
                 TV_DISPINFO *info = (TV_DISPINFO *)lParam;
@@ -2319,16 +2431,16 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                                           : wxTreeItemIcon_Selected
                         );
                 }
-            }
+                       }
             break;
 
         //default:
             // for the other messages the return value is ignored and there is
             // nothing special to do
     }
-
     return processed;
 }
 
 #endif // __WIN95__
 
+#endif // wxUSE_TREECTRL