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Added fix to wxMDIClientWindow to redisplay contents when
[wxWidgets.git] / src / msw / treectrl.cpp
diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index 9c346d609863b449156f48a25e77a428a7e810a2..39277963f373ea34cfd8bd84c1386a13b0a064f5 100644 (file)
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -27,8 +27,15 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 
-#ifndef WX_PRECOMP
-    #include "wx/wx.h"
+#include "wx/msw/private.h"
+
+// Mingw32 is a bit mental even though this is done in winundef
+#ifdef GetFirstChild
+    #undef GetFirstChild
+#endif
+
+#ifdef GetNextSibling
+    #undef GetNextSibling
 #endif
 
 #if defined(__WIN95__)
 #endif
 
 #if defined(__WIN95__)
@@ -36,33 +43,36 @@
 #include "wx/log.h"
 #include "wx/dynarray.h"
 #include "wx/imaglist.h"
 #include "wx/log.h"
 #include "wx/dynarray.h"
 #include "wx/imaglist.h"
-#include "wx/msw/treectrl.h"
+#include "wx/treectrl.h"
+#include "wx/settings.h"
 
 
-#include "wx/msw/private.h"
+#include "wx/msw/dragimag.h"
 
 
-#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__)
-    #include <commctrl.h>
+#ifdef __GNUWIN32_OLD__
+    #include "wx/msw/gnuwin32/extra.h"
 #endif
 
 #endif
 
-#ifdef GetFirstChild
-#undef GetFirstChild
+#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) || defined(__TWIN32__))
+    #include <commctrl.h>
 #endif
 
 #endif
 
-#ifdef GetNextChild
-#undef GetNextChild
+// Bug in headers, sometimes
+#ifndef TVIS_FOCUSED
+    #define TVIS_FOCUSED            0x0001
 #endif
 
 #endif
 
-#ifdef GetNextSibling
-#undef GetNextSibling
+#ifndef TV_FIRST
+    #define TV_FIRST                0x1100
 #endif
 
 #endif
 
-#ifdef GetClassInfo
-#undef GetClassInfo
+#ifndef TVS_CHECKBOXES
+    #define TVS_CHECKBOXES          0x0100
 #endif
 
 #endif
 
-// Bug in headers, sometimes
-#ifndef TVIS_FOCUSED
-    #define TVIS_FOCUSED            0x0001
+// old headers might miss these messages (comctl32.dll 4.71+ only)
+#ifndef TVM_SETBKCOLOR
+    #define TVM_SETBKCOLOR          (TV_FIRST + 29)
+    #define TVM_SETTEXTCOLOR        (TV_FIRST + 30)
 #endif
 
 // ----------------------------------------------------------------------------
 #endif
 
 // ----------------------------------------------------------------------------
@@ -70,27 +80,186 @@
 // ----------------------------------------------------------------------------
 
 // a convenient wrapper around TV_ITEM struct which adds a ctor
 // ----------------------------------------------------------------------------
 
 // a convenient wrapper around TV_ITEM struct which adds a ctor
+#ifdef __VISUALC__
+#pragma warning( disable : 4097 )
+#endif
+
 struct wxTreeViewItem : public TV_ITEM
 {
 struct wxTreeViewItem : public TV_ITEM
 {
-    wxTreeViewItem(const wxTreeItemId& item,
-                   UINT mask_, UINT stateMask_ = 0)
+    wxTreeViewItem(const wxTreeItemId& item,    // the item handle
+                   UINT mask_,                  // fields which are valid
+                   UINT stateMask_ = 0)         // for TVIF_STATE only
     {
     {
-        mask = mask_;
+        // hItem member is always valid
+        mask = mask_ | TVIF_HANDLE;
         stateMask = stateMask_;
         hItem = (HTREEITEM) (WXHTREEITEM) item;
     }
 };
 
         stateMask = stateMask_;
         hItem = (HTREEITEM) (WXHTREEITEM) item;
     }
 };
 
+#ifdef __VISUALC__
+#pragma warning( default : 4097 )
+#endif
+
+// a class which encapsulates the tree traversal logic: it vists all (unless
+// OnVisit() returns FALSE) items under the given one
+class wxTreeTraversal
+{
+public:
+    wxTreeTraversal(const wxTreeCtrl *tree)
+    {
+        m_tree = tree;
+    }
+
+    // do traverse the tree: visit all items (recursively by default) under the
+    // given one; return TRUE if all items were traversed or FALSE if the
+    // traversal was aborted because OnVisit returned FALSE
+    bool DoTraverse(const wxTreeItemId& root, bool recursively = TRUE);
+
+    // override this function to do whatever is needed for each item, return
+    // FALSE to stop traversing
+    virtual bool OnVisit(const wxTreeItemId& item) = 0;
+
+protected:
+    const wxTreeCtrl *GetTree() const { return m_tree; }
+
+private:
+    bool Traverse(const wxTreeItemId& root, bool recursively);
+
+    const wxTreeCtrl *m_tree;
+};
+
+// internal class for getting the selected items
+class TraverseSelections : public wxTreeTraversal
+{
+public:
+    TraverseSelections(const wxTreeCtrl *tree,
+                       wxArrayTreeItemIds& selections)
+        : wxTreeTraversal(tree), m_selections(selections)
+        {
+            m_selections.Empty();
+
+            DoTraverse(tree->GetRootItem());
+        }
+
+    virtual bool OnVisit(const wxTreeItemId& item)
+    {
+        if ( GetTree()->IsItemChecked(item) )
+        {
+            m_selections.Add(item);
+        }
+
+        return TRUE;
+    }
+
+    size_t GetCount() const { return m_selections.GetCount(); }
+
+private:
+    wxArrayTreeItemIds& m_selections;
+};
+
+// internal class for counting tree items
+class TraverseCounter : public wxTreeTraversal
+{
+public:
+    TraverseCounter(const wxTreeCtrl *tree,
+                    const wxTreeItemId& root,
+                    bool recursively)
+        : wxTreeTraversal(tree)
+        {
+            m_count = 0;
+
+            DoTraverse(root, recursively);
+        }
+
+    virtual bool OnVisit(const wxTreeItemId& item)
+    {
+        m_count++;
+
+        return TRUE;
+    }
+
+    size_t GetCount() const { return m_count; }
+
+private:
+    size_t m_count;
+};
+
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
-// macros
+// This class is needed for support of different images: the Win32 common
+// control natively supports only 2 images (the normal one and another for the
+// selected state). We wish to provide support for 2 more of them for folder
+// items (i.e. those which have children): for expanded state and for expanded
+// selected state. For this we use this structure to store the additional items
+// images.
+//
+// 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.
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 
-#if !USE_SHARED_LIBRARY
-    IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl)
-#endif
+class wxTreeItemIndirectData
+{
+public:
+    // ctor associates this data with the item and the real item data becomes
+    // available through our GetData() method
+    wxTreeItemIndirectData(wxTreeCtrl *tree, const wxTreeItemId& item)
+    {
+        for ( size_t n = 0; n < WXSIZEOF(m_images); n++ )
+        {
+            m_images[n] = -1;
+        }
 
 
-// hide the ugly cast (of course, the macro is _quite_ ugly too...)
-#define wxhWnd    ((HWND)m_hWnd)
+        // save the old data
+        m_data = tree->GetItemData(item);
+
+        // and set ourselves as the new one
+        tree->SetIndirectItemData(item, this);
+    }
+
+    // dtor deletes the associated data as well
+    ~wxTreeItemIndirectData() { delete m_data; }
+
+    // accessors
+        // get the real data associated with the item
+    wxTreeItemData *GetData() const { return m_data; }
+        // change it
+    void SetData(wxTreeItemData *data) { m_data = data; }
+
+        // do we have such image?
+    bool HasImage(wxTreeItemIcon which) const { return m_images[which] != -1; }
+        // get image
+    int GetImage(wxTreeItemIcon which) const { return m_images[which]; }
+        // change it
+    void SetImage(int image, wxTreeItemIcon which) { m_images[which] = image; }
+
+private:
+    // all the images associated with the item
+    int m_images[wxTreeItemIcon_Max];
+
+    wxTreeItemData *m_data;
+};
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+static HTREEITEM GetItemFromPoint(HWND hwndTV, int x, int y)
+{
+    TV_HITTESTINFO tvht;
+    tvht.pt.x = x;
+    tvht.pt.y = y;
+
+    // TreeView_HitTest() doesn't do the right cast in mingw32 headers
+    return (HTREEITEM)TreeView_HitTest(hwndTV, &tvht);
+}
+
+// ----------------------------------------------------------------------------
+// macros
+// ----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl)
 
 // ----------------------------------------------------------------------------
 // variables
 
 // ----------------------------------------------------------------------------
 // variables
@@ -107,6 +276,37 @@ static const wxEventType g_events[2][2] =
 // implementation
 // ============================================================================
 
 // implementation
 // ============================================================================
 
+// ----------------------------------------------------------------------------
+// tree traversal
+// ----------------------------------------------------------------------------
+
+bool wxTreeTraversal::DoTraverse(const wxTreeItemId& root, bool recursively)
+{
+    if ( !OnVisit(root) )
+        return FALSE;
+
+    return Traverse(root, recursively);
+}
+
+bool wxTreeTraversal::Traverse(const wxTreeItemId& root, bool recursively)
+{
+    long cookie;
+    wxTreeItemId child = m_tree->GetFirstChild(root, cookie);
+    while ( child.IsOk() )
+    {
+        // depth first traversal
+        if ( recursively && !Traverse(child, TRUE) )
+            return FALSE;
+
+        if ( !OnVisit(child) )
+            return FALSE;
+
+        child = m_tree->GetNextChild(root, cookie);
+    }
+
+    return TRUE;
+}
+
 // ----------------------------------------------------------------------------
 // construction and destruction
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // construction and destruction
 // ----------------------------------------------------------------------------
@@ -116,37 +316,25 @@ void wxTreeCtrl::Init()
     m_imageListNormal = NULL;
     m_imageListState = NULL;
     m_textCtrl = NULL;
     m_imageListNormal = NULL;
     m_imageListState = NULL;
     m_textCtrl = NULL;
+    m_hasAnyAttr = FALSE;
+    m_dragImage = NULL;
 }
 
 }
 
-bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id,
-                        const wxPoint& pos, const wxSize& size,
-                        long style, const wxValidator& validator,
+bool wxTreeCtrl::Create(wxWindow *parent,
+                        wxWindowID id,
+                        const wxPoint& pos,
+                        const wxSize& size,
+                        long style,
+                        const wxValidator& validator,
                         const wxString& name)
 {
     Init();
 
                         const wxString& name)
 {
     Init();
 
-    wxSystemSettings settings;
-
-    SetName(name);
-    SetValidator(validator);
-
-    m_windowStyle = style;
-
-    SetParent(parent);
-
-    m_windowId = (id == -1) ? NewControlId() : id;
-
-    DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | TVS_HASLINES;
-
-    bool want3D;
-    WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
+    if ( !CreateControl(parent, id, pos, size, style, validator, name) )
+        return FALSE;
 
 
-    // Even with extended styles, need to combine with WS_BORDER
-    // for them to look right.
-    if ( want3D || wxStyleHasBorder(m_windowStyle) )
-    {
-        wstyle |= WS_BORDER;
-    }
+    DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
+                   TVS_HASLINES | TVS_SHOWSELALWAYS;
 
     if ( m_windowStyle & wxTR_HAS_BUTTONS )
         wstyle |= TVS_HASBUTTONS;
 
     if ( m_windowStyle & wxTR_HAS_BUTTONS )
         wstyle |= TVS_HASBUTTONS;
@@ -157,32 +345,94 @@ bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id,
     if ( m_windowStyle & wxTR_LINES_AT_ROOT )
         wstyle |= TVS_LINESATROOT;
 
     if ( m_windowStyle & wxTR_LINES_AT_ROOT )
         wstyle |= TVS_LINESATROOT;
 
+#if !defined( __GNUWIN32_OLD__ ) && \
+    !defined( __BORLANDC__ ) && \
+    !defined( __WATCOMC__ ) && \
+    (!defined(__VISUALC__) || (__VISUALC__ > 1010))
+
+    // we emulate the multiple selection tree controls by using checkboxes: set
+    // up the image list we need for this if we do have multiple selections
+    if ( m_windowStyle & wxTR_MULTIPLE )
+        wstyle |= TVS_CHECKBOXES;
+#endif
+
     // Create the tree control.
     // Create the tree control.
-    m_hWnd = (WXHWND)::CreateWindowEx
-                       (
-                        exStyle,
-                        WC_TREEVIEW,
-                        "",
-                        wstyle,
-                        pos.x, pos.y, size.x, size.y,
-                        (HWND)parent->GetHWND(),
-                        (HMENU)m_windowId,
-                        wxGetInstance(),
-                        NULL
-                       );
-
-    wxCHECK_MSG( m_hWnd, FALSE, "Failed to create tree ctrl" );
-
-    if ( parent )
-        parent->AddChild(this);
-
-    SubclassWin(m_hWnd);
+    if ( !MSWCreateControl(WC_TREEVIEW, wstyle) )
+        return FALSE;
+
+    SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+    SetForegroundColour(wxWindow::GetParent()->GetForegroundColour());
+
+    // VZ: this is some experimental code which may be used to get the
+    //     TVS_CHECKBOXES style functionality for comctl32.dll < 4.71.
+    //     AFAIK, the standard DLL does about the same thing anyhow.
+#if 0
+    if ( m_windowStyle & wxTR_MULTIPLE )
+    {
+        wxBitmap bmp;
+
+        // create the DC compatible with the current screen
+        HDC hdcMem = CreateCompatibleDC(NULL);
+
+        // create a mono bitmap of the standard size
+        int x = GetSystemMetrics(SM_CXMENUCHECK);
+        int y = GetSystemMetrics(SM_CYMENUCHECK);
+        wxImageList imagelistCheckboxes(x, y, FALSE, 2);
+        HBITMAP hbmpCheck = CreateBitmap(x, y,   // bitmap size
+                                         1,      // # of color planes
+                                         1,      // # bits needed for one pixel
+                                         0);     // array containing colour data
+        SelectObject(hdcMem, hbmpCheck);
+
+        // then draw a check mark into it
+        RECT rect = { 0, 0, x, y };
+        if ( !::DrawFrameControl(hdcMem, &rect,
+                                 DFC_BUTTON,
+                                 DFCS_BUTTONCHECK | DFCS_CHECKED) )
+        {
+            wxLogLastError(wxT("DrawFrameControl(check)"));
+        }
+
+        bmp.SetHBITMAP((WXHBITMAP)hbmpCheck);
+        imagelistCheckboxes.Add(bmp);
+
+        if ( !::DrawFrameControl(hdcMem, &rect,
+                                 DFC_BUTTON,
+                                 DFCS_BUTTONCHECK) )
+        {
+            wxLogLastError(wxT("DrawFrameControl(uncheck)"));
+        }
+
+        bmp.SetHBITMAP((WXHBITMAP)hbmpCheck);
+        imagelistCheckboxes.Add(bmp);
+
+        // clean up
+        ::DeleteDC(hdcMem);
+
+        // set the imagelist
+        SetStateImageList(&imagelistCheckboxes);
+    }
+#endif // 0
+
+    SetSize(pos.x, pos.y, size.x, size.y);
 
     return TRUE;
 }
 
 wxTreeCtrl::~wxTreeCtrl()
 {
 
     return TRUE;
 }
 
 wxTreeCtrl::~wxTreeCtrl()
 {
+    // delete any attributes
+    if ( m_hasAnyAttr )
+    {
+        for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() )
+        {
+            delete (wxTreeItemAttr *)node->Data();
+        }
+
+        // prevent TVN_DELETEITEM handler from deleting the attributes again!
+        m_hasAnyAttr = FALSE;
+    }
+
     DeleteTextCtrl();
 
     // delete user data to prevent memory leaks
     DeleteTextCtrl();
 
     // delete user data to prevent memory leaks
@@ -197,7 +447,7 @@ wxTreeCtrl::~wxTreeCtrl()
 
 bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const
 {
 
 bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const
 {
-    if ( !TreeView_GetItem(wxhWnd, tvItem) )
+    if ( !TreeView_GetItem(GetHwnd(), tvItem) )
     {
         wxLogLastError("TreeView_GetItem");
 
     {
         wxLogLastError("TreeView_GetItem");
 
@@ -209,7 +459,7 @@ bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const
 
 void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem)
 {
 
 void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem)
 {
-    if ( TreeView_SetItem(wxhWnd, tvItem) == -1 )
+    if ( TreeView_SetItem(GetHwnd(), tvItem) == -1 )
     {
         wxLogLastError("TreeView_SetItem");
     }
     {
         wxLogLastError("TreeView_SetItem");
     }
@@ -217,17 +467,17 @@ void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem)
 
 size_t wxTreeCtrl::GetCount() const
 {
 
 size_t wxTreeCtrl::GetCount() const
 {
-    return (size_t)TreeView_GetCount(wxhWnd);
+    return (size_t)TreeView_GetCount(GetHwnd());
 }
 
 unsigned int wxTreeCtrl::GetIndent() const
 {
 }
 
 unsigned int wxTreeCtrl::GetIndent() const
 {
-    return TreeView_GetIndent(wxhWnd);
+    return TreeView_GetIndent(GetHwnd());
 }
 
 void wxTreeCtrl::SetIndent(unsigned int indent)
 {
 }
 
 void wxTreeCtrl::SetIndent(unsigned int indent)
 {
-    TreeView_SetIndent(wxhWnd, indent);
+    TreeView_SetIndent(GetHwnd(), indent);
 }
 
 wxImageList *wxTreeCtrl::GetImageList() const
 }
 
 wxImageList *wxTreeCtrl::GetImageList() const
@@ -243,7 +493,7 @@ wxImageList *wxTreeCtrl::GetStateImageList() const
 void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which)
 {
     // no error return
 void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which)
 {
     // no error return
-    TreeView_SetImageList(wxhWnd,
+    TreeView_SetImageList(GetHwnd(),
                           imageList ? imageList->GetHIMAGELIST() : 0,
                           which);
 }
                           imageList ? imageList->GetHIMAGELIST() : 0,
                           which);
 }
@@ -258,29 +508,36 @@ void wxTreeCtrl::SetStateImageList(wxImageList *imageList)
     SetAnyImageList(m_imageListState = imageList, TVSIL_STATE);
 }
 
     SetAnyImageList(m_imageListState = imageList, TVSIL_STATE);
 }
 
-size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively)
+size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item,
+                                    bool recursively) const
 {
 {
-    long cookie;
+    TraverseCounter counter(this, item, recursively);
 
 
-    size_t result = 0;
+    return counter.GetCount() - 1;
+}
 
 
-    wxArrayLong children;
-    wxTreeItemId child = GetFirstChild(item, cookie);
-    while ( child.IsOk() )
-    {
-        if ( recursively )
-        {
-            // recursive call
-            result += GetChildrenCount(child, TRUE);
-        }
+// ----------------------------------------------------------------------------
+// control colours
+// ----------------------------------------------------------------------------
+
+bool wxTreeCtrl::SetBackgroundColour(const wxColour &colour)
+{
+    if ( !wxWindowBase::SetBackgroundColour(colour) )
+        return FALSE;
 
 
-        // add the child to the result in any case
-        result++;
+    SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel());
 
 
-        child = GetNextChild(item, cookie);
-    }
+    return TRUE;
+}
 
 
-    return result;
+bool wxTreeCtrl::SetForegroundColour(const wxColour &colour)
+{
+    if ( !wxWindowBase::SetForegroundColour(colour) )
+        return FALSE;
+
+    SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel());
+
+    return TRUE;
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------
@@ -289,7 +546,7 @@ size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively)
 
 wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
 {
 
 wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
 {
-    char buf[512];  // the size is arbitrary...
+    wxChar buf[512];  // the size is arbitrary...
 
     wxTreeViewItem tvItem(item, TVIF_TEXT);
     tvItem.pszText = buf;
 
     wxTreeViewItem tvItem(item, TVIF_TEXT);
     tvItem.pszText = buf;
@@ -297,7 +554,7 @@ wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
     if ( !DoGetItem(&tvItem) )
     {
         // don't return some garbage which was on stack, but an empty string
     if ( !DoGetItem(&tvItem) )
     {
         // don't return some garbage which was on stack, but an empty string
-        buf[0] = '\0';
+        buf[0] = wxT('\0');
     }
 
     return wxString(buf);
     }
 
     return wxString(buf);
@@ -306,38 +563,144 @@ wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
 void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text)
 {
     wxTreeViewItem tvItem(item, TVIF_TEXT);
 void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text)
 {
     wxTreeViewItem tvItem(item, TVIF_TEXT);
-    tvItem.pszText = (char *)text.c_str();  // conversion is ok
+    tvItem.pszText = (wxChar *)text.c_str();  // conversion is ok
     DoSetItem(&tvItem);
 }
 
     DoSetItem(&tvItem);
 }
 
-int wxTreeCtrl::GetItemImage(const wxTreeItemId& item) const
+int wxTreeCtrl::DoGetItemImageFromData(const wxTreeItemId& item,
+                                       wxTreeItemIcon which) const
 {
 {
-    wxTreeViewItem tvItem(item, TVIF_IMAGE);
-    DoGetItem(&tvItem);
+    wxTreeViewItem tvItem(item, TVIF_PARAM);
+    if ( !DoGetItem(&tvItem) )
+    {
+        return -1;
+    }
+
+    return ((wxTreeItemIndirectData *)tvItem.lParam)->GetImage(which);
+}
+
+void wxTreeCtrl::DoSetItemImageFromData(const wxTreeItemId& item,
+                                        int image,
+                                        wxTreeItemIcon which) const
+{
+    wxTreeViewItem tvItem(item, TVIF_PARAM);
+    if ( !DoGetItem(&tvItem) )
+    {
+        return;
+    }
+
+    wxTreeItemIndirectData *data = ((wxTreeItemIndirectData *)tvItem.lParam);
+
+    data->SetImage(image, which);
 
 
-    return tvItem.iImage;
+    // make sure that we have selected images as well
+    if ( which == wxTreeItemIcon_Normal &&
+         !data->HasImage(wxTreeItemIcon_Selected) )
+    {
+        data->SetImage(image, wxTreeItemIcon_Selected);
+    }
+
+    if ( which == wxTreeItemIcon_Expanded &&
+         !data->HasImage(wxTreeItemIcon_SelectedExpanded) )
+    {
+        data->SetImage(image, wxTreeItemIcon_SelectedExpanded);
+    }
 }
 
 }
 
-void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image)
+void wxTreeCtrl::DoSetItemImages(const wxTreeItemId& item,
+                                 int image,
+                                 int imageSel)
 {
 {
-    wxTreeViewItem tvItem(item, TVIF_IMAGE);
+    wxTreeViewItem tvItem(item, TVIF_IMAGE | TVIF_SELECTEDIMAGE);
+    tvItem.iSelectedImage = imageSel;
     tvItem.iImage = image;
     DoSetItem(&tvItem);
 }
 
     tvItem.iImage = image;
     DoSetItem(&tvItem);
 }
 
-int wxTreeCtrl::GetItemSelectedImage(const wxTreeItemId& item) const
+int wxTreeCtrl::GetItemImage(const wxTreeItemId& item,
+                             wxTreeItemIcon which) const
 {
 {
-    wxTreeViewItem tvItem(item, TVIF_SELECTEDIMAGE);
+    if ( HasIndirectData(item) )
+    {
+        return DoGetItemImageFromData(item, which);
+    }
+
+    UINT mask;
+    switch ( which )
+    {
+        default:
+            wxFAIL_MSG( wxT("unknown tree item image type") );
+
+        case wxTreeItemIcon_Normal:
+            mask = TVIF_IMAGE;
+            break;
+
+        case wxTreeItemIcon_Selected:
+            mask = TVIF_SELECTEDIMAGE;
+            break;
+
+        case wxTreeItemIcon_Expanded:
+        case wxTreeItemIcon_SelectedExpanded:
+            return -1;
+    }
+
+    wxTreeViewItem tvItem(item, mask);
     DoGetItem(&tvItem);
 
     DoGetItem(&tvItem);
 
-    return tvItem.iSelectedImage;
+    return mask == TVIF_IMAGE ? tvItem.iImage : tvItem.iSelectedImage;
 }
 
 }
 
-void wxTreeCtrl::SetItemSelectedImage(const wxTreeItemId& item, int image)
+void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image,
+                              wxTreeItemIcon which)
 {
 {
-    wxTreeViewItem tvItem(item, TVIF_SELECTEDIMAGE);
-    tvItem.iSelectedImage = image;
-    DoSetItem(&tvItem);
+    int imageNormal, imageSel;
+    switch ( which )
+    {
+        default:
+            wxFAIL_MSG( wxT("unknown tree item image type") );
+
+        case wxTreeItemIcon_Normal:
+            imageNormal = image;
+            imageSel = GetItemSelectedImage(item);
+            break;
+
+        case wxTreeItemIcon_Selected:
+            imageNormal = GetItemImage(item);
+            imageSel = image;
+            break;
+
+        case wxTreeItemIcon_Expanded:
+        case wxTreeItemIcon_SelectedExpanded:
+            if ( !HasIndirectData(item) )
+            {
+                // we need to get the old images first, because after we create
+                // the wxTreeItemIndirectData GetItemXXXImage() will use it to
+                // get the images
+                imageNormal = GetItemImage(item);
+                imageSel = GetItemSelectedImage(item);
+
+                // if it doesn't have it yet, add it
+                wxTreeItemIndirectData *data = new
+                    wxTreeItemIndirectData(this, item);
+
+                // copy the data to the new location
+                data->SetImage(imageNormal, wxTreeItemIcon_Normal);
+                data->SetImage(imageSel, wxTreeItemIcon_Selected);
+            }
+
+            DoSetItemImageFromData(item, image, which);
+
+            // reset the normal/selected images because we won't use them any
+            // more - now they're stored inside the indirect data
+            imageNormal =
+            imageSel = I_IMAGECALLBACK;
+            break;
+    }
+
+    // NB: at least in version 5.00.0518.9 of comctl32.dll we need to always
+    //     change both normal and selected image - otherwise the change simply
+    //     doesn't take place!
+    DoSetItemImages(item, imageNormal, imageSel);
 }
 
 wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
 }
 
 wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
@@ -348,14 +711,55 @@ wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
         return NULL;
     }
 
         return NULL;
     }
 
-    return (wxTreeItemData *)tvItem.lParam;
+    if ( HasIndirectData(item) )
+    {
+        return ((wxTreeItemIndirectData *)tvItem.lParam)->GetData();
+    }
+    else
+    {
+        return (wxTreeItemData *)tvItem.lParam;
+    }
 }
 
 void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
 {
     wxTreeViewItem tvItem(item, TVIF_PARAM);
 }
 
 void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
 {
     wxTreeViewItem tvItem(item, TVIF_PARAM);
-    tvItem.lParam = (LPARAM)data;
-    DoSetItem(&tvItem);
+
+    if ( HasIndirectData(item) )
+    {
+        if ( DoGetItem(&tvItem) )
+        {
+            ((wxTreeItemIndirectData *)tvItem.lParam)->SetData(data);
+        }
+        else
+        {
+            wxFAIL_MSG( wxT("failed to change tree items data") );
+        }
+    }
+    else
+    {
+        tvItem.lParam = (LPARAM)data;
+        DoSetItem(&tvItem);
+    }
+}
+
+void wxTreeCtrl::SetIndirectItemData(const wxTreeItemId& item,
+                                     wxTreeItemIndirectData *data)
+{
+    // this should never happen because it's unnecessary and will probably lead
+    // to crash too because the code elsewhere supposes that the pointer the
+    // wxTreeItemIndirectData has is a real wxItemData and not
+    // wxTreeItemIndirectData as well
+    wxASSERT_MSG( !HasIndirectData(item), wxT("setting indirect data twice?") );
+
+    SetItemData(item, (wxTreeItemData *)data);
+
+    m_itemsWithIndirectData.Add(item);
+}
+
+bool wxTreeCtrl::HasIndirectData(const wxTreeItemId& item) const
+{
+    return m_itemsWithIndirectData.Index(item) != wxNOT_FOUND;
 }
 
 void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
 }
 
 void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
@@ -372,6 +776,60 @@ void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold)
     DoSetItem(&tvItem);
 }
 
     DoSetItem(&tvItem);
 }
 
+void wxTreeCtrl::SetItemDropHighlight(const wxTreeItemId& item, bool highlight)
+{
+    wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_DROPHILITED);
+    tvItem.state = highlight ? TVIS_DROPHILITED : 0;
+    DoSetItem(&tvItem);
+}
+
+void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item,
+                                   const wxColour& col)
+{
+    m_hasAnyAttr = TRUE;
+
+    long id = (long)(WXHTREEITEM)item;
+    wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
+    if ( !attr )
+    {
+        attr = new wxTreeItemAttr;
+        m_attrs.Put(id, (wxObject *)attr);
+    }
+
+    attr->SetTextColour(col);
+}
+
+void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
+                                         const wxColour& col)
+{
+    m_hasAnyAttr = TRUE;
+
+    long id = (long)(WXHTREEITEM)item;
+    wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
+    if ( !attr )
+    {
+        attr = new wxTreeItemAttr;
+        m_attrs.Put(id, (wxObject *)attr);
+    }
+
+    attr->SetBackgroundColour(col);
+}
+
+void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
+{
+    m_hasAnyAttr = TRUE;
+
+    long id = (long)(WXHTREEITEM)item;
+    wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
+    if ( !attr )
+    {
+        attr = new wxTreeItemAttr;
+        m_attrs.Put(id, (wxObject *)attr);
+    }
+
+    attr->SetFont(font);
+}
+
 // ----------------------------------------------------------------------------
 // Item status
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // Item status
 // ----------------------------------------------------------------------------
@@ -380,7 +838,13 @@ bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const
 {
     // Bug in Gnu-Win32 headers, so don't use the macro TreeView_GetItemRect
     RECT rect;
 {
     // Bug in Gnu-Win32 headers, so don't use the macro TreeView_GetItemRect
     RECT rect;
-    return SendMessage(wxhWnd, TVM_GETITEMRECT, FALSE, (LPARAM)&rect) != 0;
+
+    // this ugliness comes directly from MSDN - it *is* the correct way to pass
+    // the HTREEITEM with TVM_GETITEMRECT
+    *(WXHTREEITEM *)&rect = (WXHTREEITEM)item;
+
+    // FALSE means get item rect for the whole item, not only text
+    return SendMessage(GetHwnd(), TVM_GETITEMRECT, FALSE, (LPARAM)&rect) != 0;
 
 }
 
 
 }
 
@@ -425,24 +889,27 @@ bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const
 
 wxTreeItemId wxTreeCtrl::GetRootItem() const
 {
 
 wxTreeItemId wxTreeCtrl::GetRootItem() const
 {
-    return wxTreeItemId((WXHTREEITEM) TreeView_GetRoot(wxhWnd));
+    return wxTreeItemId((WXHTREEITEM) TreeView_GetRoot(GetHwnd()));
 }
 
 wxTreeItemId wxTreeCtrl::GetSelection() const
 {
 }
 
 wxTreeItemId wxTreeCtrl::GetSelection() const
 {
-    return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(wxhWnd));
+    wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), (WXHTREEITEM)0,
+                 wxT("this only works with single selection controls") );
+
+    return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(GetHwnd()));
 }
 
 wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const
 {
 }
 
 wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const
 {
-    return wxTreeItemId((WXHTREEITEM) TreeView_GetParent(wxhWnd, (HTREEITEM) (WXHTREEITEM) item));
+    return wxTreeItemId((WXHTREEITEM) TreeView_GetParent(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item));
 }
 
 wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item,
                                        long& _cookie) const
 {
     // remember the last child returned in 'cookie'
 }
 
 wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item,
                                        long& _cookie) const
 {
     // remember the last child returned in 'cookie'
-    _cookie = (long)TreeView_GetChild(wxhWnd, (HTREEITEM) (WXHTREEITEM)item);
+    _cookie = (long)TreeView_GetChild(GetHwnd(), (HTREEITEM) (WXHTREEITEM)item);
 
     return wxTreeItemId((WXHTREEITEM)_cookie);
 }
 
     return wxTreeItemId((WXHTREEITEM)_cookie);
 }
@@ -450,7 +917,7 @@ wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item,
 wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item),
                                       long& _cookie) const
 {
 wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item),
                                       long& _cookie) const
 {
-    wxTreeItemId l = wxTreeItemId((WXHTREEITEM)TreeView_GetNextSibling(wxhWnd,
+    wxTreeItemId l = wxTreeItemId((WXHTREEITEM)TreeView_GetNextSibling(GetHwnd(),
                                    (HTREEITEM)(WXHTREEITEM)_cookie));
     _cookie = (long)l;
 
                                    (HTREEITEM)(WXHTREEITEM)_cookie));
     _cookie = (long)l;
 
@@ -475,33 +942,65 @@ wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const
 
 wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const
 {
 
 wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const
 {
-    return wxTreeItemId((WXHTREEITEM) TreeView_GetNextSibling(wxhWnd, (HTREEITEM) (WXHTREEITEM) item));
+    return wxTreeItemId((WXHTREEITEM) TreeView_GetNextSibling(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item));
 }
 
 wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const
 {
 }
 
 wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const
 {
-    return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevSibling(wxhWnd, (HTREEITEM) (WXHTREEITEM) item));
+    return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevSibling(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item));
 }
 
 wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const
 {
 }
 
 wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const
 {
-    return wxTreeItemId((WXHTREEITEM) TreeView_GetFirstVisible(wxhWnd));
+    return wxTreeItemId((WXHTREEITEM) TreeView_GetFirstVisible(GetHwnd()));
 }
 
 wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
 {
 }
 
 wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
 {
-    wxASSERT_MSG( IsVisible(item), "The item you call GetNextVisible() "
-                                   "for must be visible itself!");
+    wxASSERT_MSG( IsVisible(item), wxT("The item you call GetNextVisible() "
+                                      "for must be visible itself!"));
 
 
-    return wxTreeItemId((WXHTREEITEM) TreeView_GetNextVisible(wxhWnd, (HTREEITEM) (WXHTREEITEM) item));
+    return wxTreeItemId((WXHTREEITEM) TreeView_GetNextVisible(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item));
 }
 
 wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
 {
 }
 
 wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
 {
-    wxASSERT_MSG( IsVisible(item), "The item you call GetPrevVisible() "
-                                   "for must be visible itself!");
+    wxASSERT_MSG( IsVisible(item), wxT("The item you call GetPrevVisible() "
+                                      "for must be visible itself!"));
 
 
-    return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevVisible(wxhWnd, (HTREEITEM) (WXHTREEITEM) item));
+    return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevVisible(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item));
+}
+
+// ----------------------------------------------------------------------------
+// multiple selections emulation
+// ----------------------------------------------------------------------------
+
+bool wxTreeCtrl::IsItemChecked(const wxTreeItemId& item) const
+{
+    // receive the desired information.
+    wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_STATEIMAGEMASK);
+    DoGetItem(&tvItem);
+
+    // state image indices are 1 based
+    return ((tvItem.state >> 12) - 1) == 1;
+}
+
+void wxTreeCtrl::SetItemCheck(const wxTreeItemId& item, bool check)
+{
+    // receive the desired information.
+    wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_STATEIMAGEMASK);
+
+    // state images are one-based
+    tvItem.state = (check ? 2 : 1) << 12;
+
+    DoSetItem(&tvItem);
+}
+
+size_t wxTreeCtrl::GetSelections(wxArrayTreeItemIds& selections) const
+{
+    TraverseSelections selector(this, selections);
+
+    return selector.GetCount();
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------
@@ -517,11 +1016,19 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent,
     TV_INSERTSTRUCT tvIns;
     tvIns.hParent = (HTREEITEM) (WXHTREEITEM)parent;
     tvIns.hInsertAfter = (HTREEITEM) (WXHTREEITEM) hInsertAfter;
     TV_INSERTSTRUCT tvIns;
     tvIns.hParent = (HTREEITEM) (WXHTREEITEM)parent;
     tvIns.hInsertAfter = (HTREEITEM) (WXHTREEITEM) hInsertAfter;
+
+    // this is how we insert the item as the first child: supply a NULL
+    // hInsertAfter
+    if ( !tvIns.hInsertAfter )
+    {
+        tvIns.hInsertAfter = TVI_FIRST;
+    }
+
     UINT mask = 0;
     if ( !text.IsEmpty() )
     {
         mask |= TVIF_TEXT;
     UINT mask = 0;
     if ( !text.IsEmpty() )
     {
         mask |= TVIF_TEXT;
-        tvIns.item.pszText = (char *)text.c_str();  // cast is ok
+        tvIns.item.pszText = (wxChar *)text.c_str();  // cast is ok
     }
 
     if ( image != -1 )
     }
 
     if ( image != -1 )
@@ -550,7 +1057,7 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent,
 
     tvIns.item.mask = mask;
 
 
     tvIns.item.mask = mask;
 
-    HTREEITEM id = (HTREEITEM) TreeView_InsertItem(wxhWnd, &tvIns);
+    HTREEITEM id = (HTREEITEM) TreeView_InsertItem(GetHwnd(), &tvIns);
     if ( id == 0 )
     {
         wxLogLastError("TreeView_InsertItem");
     if ( id == 0 )
     {
         wxLogLastError("TreeView_InsertItem");
@@ -601,6 +1108,30 @@ wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
     return DoInsertItem(parent, idPrevious, text, image, selectedImage, data);
 }
 
     return DoInsertItem(parent, idPrevious, text, image, selectedImage, data);
 }
 
+wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
+                                    size_t index,
+                                    const wxString& text,
+                                    int image, int selectedImage,
+                                    wxTreeItemData *data)
+{
+    // find the item from index
+    long cookie;
+    wxTreeItemId idPrev, idCur = GetFirstChild(parent, cookie);
+    while ( index != 0 && idCur.IsOk() )
+    {
+        index--;
+
+        idPrev = idCur;
+        idCur = GetNextChild(parent, cookie);
+    }
+
+    // assert, not check: if the index is invalid, we will append the item
+    // to the end
+    wxASSERT_MSG( index == 0, _T("bad index in wxTreeCtrl::InsertItem") );
+
+    return DoInsertItem(parent, idPrev, text, image, selectedImage, data);
+}
+
 wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parent,
                                     const wxString& text,
                                     int image, int selectedImage,
 wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parent,
                                     const wxString& text,
                                     int image, int selectedImage,
@@ -612,7 +1143,7 @@ wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parent,
 
 void wxTreeCtrl::Delete(const wxTreeItemId& item)
 {
 
 void wxTreeCtrl::Delete(const wxTreeItemId& item)
 {
-    if ( !TreeView_DeleteItem(wxhWnd, (HTREEITEM)(WXHTREEITEM)item) )
+    if ( !TreeView_DeleteItem(GetHwnd(), (HTREEITEM)(WXHTREEITEM)item) )
     {
         wxLogLastError("TreeView_DeleteItem");
     }
     {
         wxLogLastError("TreeView_DeleteItem");
     }
@@ -635,7 +1166,7 @@ void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item)
     size_t nCount = children.Count();
     for ( size_t n = 0; n < nCount; n++ )
     {
     size_t nCount = children.Count();
     for ( size_t n = 0; n < nCount; n++ )
     {
-        if ( !TreeView_DeleteItem(wxhWnd, (HTREEITEM)children[n]) )
+        if ( !TreeView_DeleteItem(GetHwnd(), (HTREEITEM)children[n]) )
         {
             wxLogLastError("TreeView_DeleteItem");
         }
         {
             wxLogLastError("TreeView_DeleteItem");
         }
@@ -644,7 +1175,7 @@ void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item)
 
 void wxTreeCtrl::DeleteAllItems()
 {
 
 void wxTreeCtrl::DeleteAllItems()
 {
-    if ( !TreeView_DeleteAllItems(wxhWnd) )
+    if ( !TreeView_DeleteAllItems(GetHwnd()) )
     {
         wxLogLastError("TreeView_DeleteAllItems");
     }
     {
         wxLogLastError("TreeView_DeleteAllItems");
     }
@@ -652,13 +1183,25 @@ void wxTreeCtrl::DeleteAllItems()
 
 void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag)
 {
 
 void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag)
 {
-    wxASSERT_MSG( flag == TVE_COLLAPSE || flag == TVE_COLLAPSERESET ||
-                  flag == TVE_EXPAND   || flag == TVE_TOGGLE,
-                  "Unknown flag in wxTreeCtrl::DoExpand" );
+    wxASSERT_MSG( flag == TVE_COLLAPSE ||
+                  flag == (TVE_COLLAPSE | TVE_COLLAPSERESET) ||
+                  flag == TVE_EXPAND   ||
+                  flag == TVE_TOGGLE,
+                  wxT("Unknown flag in wxTreeCtrl::DoExpand") );
 
     // TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must
 
     // TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must
-    // emulate them
-    if ( TreeView_Expand(wxhWnd, (HTREEITEM) (WXHTREEITEM) item, flag) != 0 )
+    // emulate them. This behaviour has changed slightly with comctl32.dll
+    // v 4.70 - now it does send them but only the first time. To maintain
+    // compatible behaviour and also in order to not have surprises with the
+    // future versions, don't rely on this and still do everything ourselves.
+    // To avoid that the messages be sent twice when the item is expanded for
+    // the first time we must clear TVIS_EXPANDEDONCE style manually.
+
+    wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_EXPANDEDONCE);
+    tvItem.state = 0;
+    DoSetItem(&tvItem);
+
+    if ( TreeView_Expand(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item, flag) != 0 )
     {
         wxTreeEvent event(wxEVT_NULL, m_windowId);
         event.m_item = item;
     {
         wxTreeEvent event(wxEVT_NULL, m_windowId);
         event.m_item = item;
@@ -667,18 +1210,14 @@ void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag)
 
         event.SetEventObject(this);
 
 
         event.SetEventObject(this);
 
-        // @@@ return values of {EXPAND|COLLAPS}ING event handler is discarded
+        // FIXME return value of {EXPAND|COLLAPS}ING event handler is discarded
         event.SetEventType(g_events[isExpanded][TRUE]);
         GetEventHandler()->ProcessEvent(event);
 
         event.SetEventType(g_events[isExpanded][FALSE]);
         GetEventHandler()->ProcessEvent(event);
     }
         event.SetEventType(g_events[isExpanded][TRUE]);
         GetEventHandler()->ProcessEvent(event);
 
         event.SetEventType(g_events[isExpanded][FALSE]);
         GetEventHandler()->ProcessEvent(event);
     }
-    else
-    {
-        // I wonder if it really ever happens...
-        wxLogDebug("TreeView_Expand: change didn't took place.");
-    }
+    //else: change didn't took place, so do nothing at all
 }
 
 void wxTreeCtrl::Expand(const wxTreeItemId& item)
 }
 
 void wxTreeCtrl::Expand(const wxTreeItemId& item)
@@ -693,7 +1232,7 @@ void wxTreeCtrl::Collapse(const wxTreeItemId& item)
 
 void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item)
 {
 
 void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item)
 {
-    DoExpand(item, TVE_COLLAPSERESET);
+    DoExpand(item, TVE_COLLAPSE | TVE_COLLAPSERESET);
 }
 
 void wxTreeCtrl::Toggle(const wxTreeItemId& item)
 }
 
 void wxTreeCtrl::Toggle(const wxTreeItemId& item)
@@ -703,31 +1242,78 @@ void wxTreeCtrl::Toggle(const wxTreeItemId& item)
 
 void wxTreeCtrl::ExpandItem(const wxTreeItemId& item, int action)
 {
 
 void wxTreeCtrl::ExpandItem(const wxTreeItemId& item, int action)
 {
-       DoExpand(item, action);
+    DoExpand(item, action);
 }
 
 void wxTreeCtrl::Unselect()
 {
 }
 
 void wxTreeCtrl::Unselect()
 {
+    wxASSERT_MSG( !(m_windowStyle & wxTR_MULTIPLE), wxT("doesn't make sense") );
+
+    // just remove the selection
     SelectItem(wxTreeItemId((WXHTREEITEM) 0));
 }
 
     SelectItem(wxTreeItemId((WXHTREEITEM) 0));
 }
 
+void wxTreeCtrl::UnselectAll()
+{
+    if ( m_windowStyle & wxTR_MULTIPLE )
+    {
+        wxArrayTreeItemIds selections;
+        size_t count = GetSelections(selections);
+        for ( size_t n = 0; n < count; n++ )
+        {
+            SetItemCheck(selections[n], FALSE);
+        }
+    }
+    else
+    {
+        // just remove the selection
+        Unselect();
+    }
+}
+
 void wxTreeCtrl::SelectItem(const wxTreeItemId& item)
 {
 void wxTreeCtrl::SelectItem(const wxTreeItemId& item)
 {
-    if ( !TreeView_SelectItem(wxhWnd, (HTREEITEM) (WXHTREEITEM) item) )
+    if ( m_windowStyle & wxTR_MULTIPLE )
     {
     {
-        wxLogLastError("TreeView_SelectItem");
+        // selecting the item means checking it
+        SetItemCheck(item);
+    }
+    else
+    {
+        // inspite of the docs (MSDN Jan 99 edition), we don't seem to receive
+        // the notification from the control (i.e. TVN_SELCHANG{ED|ING}), so
+        // send them ourselves
+
+        wxTreeEvent event(wxEVT_NULL, m_windowId);
+        event.m_item = item;
+        event.SetEventObject(this);
+
+        event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGING);
+        if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
+        {
+            if ( !TreeView_SelectItem(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item) )
+            {
+                wxLogLastError("TreeView_SelectItem");
+            }
+            else
+            {
+                event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED);
+                (void)GetEventHandler()->ProcessEvent(event);
+            }
+        }
+        //else: program vetoed the change
     }
 }
 
 void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item)
 {
     // no error return
     }
 }
 
 void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item)
 {
     // no error return
-    TreeView_EnsureVisible(wxhWnd, (HTREEITEM) (WXHTREEITEM) item);
+    TreeView_EnsureVisible(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item);
 }
 
 void wxTreeCtrl::ScrollTo(const wxTreeItemId& item)
 {
 }
 
 void wxTreeCtrl::ScrollTo(const wxTreeItemId& item)
 {
-    if ( !TreeView_SelectSetFirstVisible(wxhWnd, (HTREEITEM) (WXHTREEITEM) item) )
+    if ( !TreeView_SelectSetFirstVisible(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item) )
     {
         wxLogLastError("TreeView_SelectSetFirstVisible");
     }
     {
         wxLogLastError("TreeView_SelectSetFirstVisible");
     }
@@ -735,6 +1321,24 @@ void wxTreeCtrl::ScrollTo(const wxTreeItemId& item)
 
 wxTextCtrl* wxTreeCtrl::GetEditControl() const
 {
 
 wxTextCtrl* wxTreeCtrl::GetEditControl() const
 {
+    // normally, we could try to do something like this to return something
+    // even when the editing was started by the user and not by calling
+    // EditLabel() - but as nobody has asked for this so far and there might be
+    // problems in the code below, I leave it disabled for now (VZ)
+#if 0
+    if ( !m_textCtrl )
+    {
+        HWND hwndText = TreeView_GetEditControl(GetHwnd());
+        if ( hwndText )
+        {
+            m_textCtrl = new wxTextCtrl(this, -1);
+            m_textCtrl->Hide();
+            m_textCtrl->SetHWND((WXHWND)hwndText);
+        }
+        //else: not editing label right now
+    }
+#endif // 0
+
     return m_textCtrl;
 }
 
     return m_textCtrl;
 }
 
@@ -754,11 +1358,16 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item,
 {
     wxASSERT( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)) );
 
 {
     wxASSERT( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)) );
 
-    HWND hWnd = (HWND) TreeView_EditLabel(wxhWnd, (HTREEITEM) (WXHTREEITEM) item);
+    DeleteTextCtrl();
 
 
-    wxCHECK_MSG( hWnd, NULL, "Can't edit tree ctrl label" );
+    HWND hWnd = (HWND) TreeView_EditLabel(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item);
 
 
-    DeleteTextCtrl();
+    // this is not an error - the TVN_BEGINLABELEDIT handler might have
+    // returned FALSE
+    if ( !hWnd )
+    {
+        return NULL;
+    }
 
     m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject();
     m_textCtrl->SetHWND((WXHWND)hWnd);
 
     m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject();
     m_textCtrl->SetHWND((WXHWND)hWnd);
@@ -770,7 +1379,7 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item,
 // End label editing, optionally cancelling the edit
 void wxTreeCtrl::EndEditLabel(const wxTreeItemId& item, bool discardChanges)
 {
 // End label editing, optionally cancelling the edit
 void wxTreeCtrl::EndEditLabel(const wxTreeItemId& item, bool discardChanges)
 {
-    TreeView_EndEditLabelNow(wxhWnd, discardChanges);
+    TreeView_EndEditLabelNow(GetHwnd(), discardChanges);
 
     DeleteTextCtrl();
 }
 
     DeleteTextCtrl();
 }
@@ -781,7 +1390,7 @@ wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& flags)
     hitTestInfo.pt.x = (int)point.x;
     hitTestInfo.pt.y = (int)point.y;
 
     hitTestInfo.pt.x = (int)point.x;
     hitTestInfo.pt.y = (int)point.y;
 
-    TreeView_HitTest(wxhWnd, &hitTestInfo);
+    TreeView_HitTest(GetHwnd(), &hitTestInfo);
 
     flags = 0;
 
 
     flags = 0;
 
@@ -811,7 +1420,7 @@ bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item,
                                  bool textOnly) const
 {
     RECT rc;
                                  bool textOnly) const
 {
     RECT rc;
-    if ( TreeView_GetItemRect(wxhWnd, (HTREEITEM)(WXHTREEITEM)item,
+    if ( TreeView_GetItemRect(GetHwnd(), (HTREEITEM)(WXHTREEITEM)item,
                               &rc, textOnly) )
     {
         rect = wxRect(wxPoint(rc.left, rc.top), wxPoint(rc.right, rc.bottom));
                               &rc, textOnly) )
     {
         rect = wxRect(wxPoint(rc.left, rc.top), wxPoint(rc.right, rc.bottom));
@@ -833,13 +1442,16 @@ static int CALLBACK TreeView_CompareCallback(wxTreeItemData *pItem1,
                                              wxTreeItemData *pItem2,
                                              wxTreeCtrl *tree)
 {
                                              wxTreeItemData *pItem2,
                                              wxTreeCtrl *tree)
 {
+    wxCHECK_MSG( pItem1 && pItem2, 0,
+                 wxT("sorting tree without data doesn't make sense") );
+
     return tree->OnCompareItems(pItem1->GetId(), pItem2->GetId());
 }
 
 int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
                                const wxTreeItemId& item2)
 {
     return tree->OnCompareItems(pItem1->GetId(), pItem2->GetId());
 }
 
 int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
                                const wxTreeItemId& item2)
 {
-    return strcmp(GetItemText(item1), GetItemText(item2));
+    return wxStrcmp(GetItemText(item1), GetItemText(item2));
 }
 
 void wxTreeCtrl::SortChildren(const wxTreeItemId& item)
 }
 
 void wxTreeCtrl::SortChildren(const wxTreeItemId& item)
@@ -849,7 +1461,7 @@ void wxTreeCtrl::SortChildren(const wxTreeItemId& item)
     // directly if we're not in derived class (much more efficient!)
     if ( GetClassInfo() == CLASSINFO(wxTreeCtrl) )
     {
     // directly if we're not in derived class (much more efficient!)
     if ( GetClassInfo() == CLASSINFO(wxTreeCtrl) )
     {
-        TreeView_SortChildren(wxhWnd, (HTREEITEM)(WXHTREEITEM)item, 0);
+        TreeView_SortChildren(GetHwnd(), (HTREEITEM)(WXHTREEITEM)item, 0);
     }
     else
     {
     }
     else
     {
@@ -857,7 +1469,7 @@ void wxTreeCtrl::SortChildren(const wxTreeItemId& item)
         tvSort.hParent = (HTREEITEM)(WXHTREEITEM)item;
         tvSort.lpfnCompare = (PFNTVCOMPARE)TreeView_CompareCallback;
         tvSort.lParam = (LPARAM)this;
         tvSort.hParent = (HTREEITEM)(WXHTREEITEM)item;
         tvSort.lpfnCompare = (PFNTVCOMPARE)TreeView_CompareCallback;
         tvSort.lParam = (LPARAM)this;
-        TreeView_SortChildrenCB(wxhWnd, &tvSort, 0 /* reserved */);
+        TreeView_SortChildrenCB(GetHwnd(), &tvSort, 0 /* reserved */);
     }
 }
 
     }
 }
 
@@ -889,8 +1501,68 @@ bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id)
     return TRUE;
 }
 
     return TRUE;
 }
 
+// we hook into WndProc to process WM_MOUSEMOVE/WM_BUTTONUP messages - as we
+// only do it during dragging, minimize wxWin overhead (this is important for
+// WM_MOUSEMOVE as they're a lot of them) by catching Windows messages directly
+// instead of passing by wxWin events
+long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+{
+    if ( m_dragImage )
+    {
+        switch ( nMsg )
+        {
+            case WM_MOUSEMOVE:
+                {
+                    int x = GET_X_LPARAM(lParam),
+                        y = GET_Y_LPARAM(lParam);
+
+                    m_dragImage->Move(wxPoint(x, y), this);
+
+                    HTREEITEM htiTarget = GetItemFromPoint(GetHwnd(), x, y);
+                    if ( htiTarget )
+                    {
+                        // highlight the item as target (hiding drag image is
+                        // necessary - otherwise the display will be corrupted)
+                        m_dragImage->Hide(this);
+                        TreeView_SelectDropTarget(GetHwnd(), htiTarget);
+                        m_dragImage->Show(this);
+                    }
+                }
+                break;
+
+            case WM_LBUTTONUP:
+            case WM_RBUTTONUP:
+                {
+                    m_dragImage->EndDrag(this);
+                    delete m_dragImage;
+                    m_dragImage = NULL;
+
+                    // generate the drag end event
+                    wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, m_windowId);
+
+                    int x = GET_X_LPARAM(lParam),
+                        y = GET_Y_LPARAM(lParam);
+
+                    event.m_item
+                        = (WXHTREEITEM)GetItemFromPoint(GetHwnd(), x, y);
+                    event.m_pointDrag = wxPoint(x, y);
+                    event.SetEventObject(this);
+
+                    (void)GetEventHandler()->ProcessEvent(event);
+
+                    // if we don't do it, the tree seems to think that 2 items
+                    // are selected simultaneously which is quite weird
+                    TreeView_SelectDropTarget(GetHwnd(), 0);
+                }
+                break;
+        }
+    }
+
+    return wxControl::MSWWindowProc(nMsg, wParam, lParam);
+}
+
 // process WM_NOTIFY Windows message
 // process WM_NOTIFY Windows message
-bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result)
+bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 {
     wxTreeEvent event(wxEVT_NULL, m_windowId);
     wxEventType eventType = wxEVT_NULL;
 {
     wxTreeEvent event(wxEVT_NULL, m_windowId);
     wxEventType eventType = wxEVT_NULL;
@@ -898,6 +1570,25 @@ bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result)
 
     switch ( hdr->code )
     {
 
     switch ( hdr->code )
     {
+        case NM_RCLICK:
+            {
+                if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
+                    return TRUE;
+
+                TV_HITTESTINFO tvhti;
+                ::GetCursorPos(&(tvhti.pt));
+                ::ScreenToClient(GetHwnd(),&(tvhti.pt));
+                if ( TreeView_HitTest(GetHwnd(),&tvhti) )
+                {
+                    if( tvhti.flags & TVHT_ONITEM )
+                    {
+                        event.m_item = (WXHTREEITEM) tvhti.hItem;
+                        eventType = wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK;
+                    }
+                }
+            }
+            break;
+
         case TVN_BEGINDRAG:
             eventType = wxEVT_COMMAND_TREE_BEGIN_DRAG;
             // fall through
         case TVN_BEGINDRAG:
             eventType = wxEVT_COMMAND_TREE_BEGIN_DRAG;
             // fall through
@@ -912,8 +1603,13 @@ bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result)
 
                 event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
                 event.m_pointDrag = wxPoint(tv->ptDrag.x, tv->ptDrag.y);
 
                 event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
                 event.m_pointDrag = wxPoint(tv->ptDrag.x, tv->ptDrag.y);
-                break;
+
+                // don't allow dragging by default: the user code must
+                // explicitly say that it wants to allow it to avoid breaking
+                // the old apps
+                event.Veto();
             }
             }
+            break;
 
         case TVN_BEGINLABELEDIT:
             {
 
         case TVN_BEGINLABELEDIT:
             {
@@ -921,24 +1617,34 @@ bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result)
                 TV_DISPINFO *info = (TV_DISPINFO *)lParam;
 
                 event.m_item = (WXHTREEITEM) info->item.hItem;
                 TV_DISPINFO *info = (TV_DISPINFO *)lParam;
 
                 event.m_item = (WXHTREEITEM) info->item.hItem;
-                break;
+                event.m_label = info->item.pszText;
             }
             }
+            break;
 
         case TVN_DELETEITEM:
             {
                 eventType = wxEVT_COMMAND_TREE_DELETE_ITEM;
                 NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam;
 
 
         case TVN_DELETEITEM:
             {
                 eventType = wxEVT_COMMAND_TREE_DELETE_ITEM;
                 NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam;
 
-                event.m_item = (WXHTREEITEM) tv->itemOld.hItem;
-                break;
+                event.m_item = (WXHTREEITEM)tv->itemOld.hItem;
+
+                if ( m_hasAnyAttr )
+                {
+                    delete (wxTreeItemAttr *)m_attrs.
+                                Delete((long)tv->itemOld.hItem);
+                }
             }
             }
+            break;
 
         case TVN_ENDLABELEDIT:
             {
                 eventType = wxEVT_COMMAND_TREE_END_LABEL_EDIT;
                 TV_DISPINFO *info = (TV_DISPINFO *)lParam;
 
 
         case TVN_ENDLABELEDIT:
             {
                 eventType = wxEVT_COMMAND_TREE_END_LABEL_EDIT;
                 TV_DISPINFO *info = (TV_DISPINFO *)lParam;
 
-                event.m_item = (WXHTREEITEM) info->item.hItem;
+                event.m_item = (WXHTREEITEM)info->item.hItem;
+                event.m_label = info->item.pszText;
+                if (info->item.pszText == NULL)
+                    return FALSE;
                 break;
             }
 
                 break;
             }
 
@@ -978,16 +1684,16 @@ bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result)
                         break;
 
                     default:
                         break;
 
                     default:
-                        wxLogDebug("unexpected code %d in TVN_ITEMEXPAND "
-                                   "message", tv->action);
+                        wxLogDebug(wxT("unexpected code %d in TVN_ITEMEXPAND "
+                                      "message"), tv->action);
                 }
 
                 }
 
-                bool ing = (hdr->code == TVN_ITEMEXPANDING);
+                bool ing = ((int)hdr->code == TVN_ITEMEXPANDING);
                 eventType = g_events[expand][ing];
 
                 event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
                 eventType = g_events[expand][ing];
 
                 event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
-                break;
             }
             }
+            break;
 
         case TVN_KEYDOWN:
             {
 
         case TVN_KEYDOWN:
             {
@@ -1005,8 +1711,8 @@ bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result)
 
                     GetEventHandler()->ProcessEvent(event2);
                 }
 
                     GetEventHandler()->ProcessEvent(event2);
                 }
-                break;
             }
             }
+            break;
 
         case TVN_SELCHANGED:
             eventType = wxEVT_COMMAND_TREE_SEL_CHANGED;
 
         case TVN_SELCHANGED:
             eventType = wxEVT_COMMAND_TREE_SEL_CHANGED;
@@ -1022,11 +1728,108 @@ bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result)
 
                 event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
                 event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem;
 
                 event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
                 event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem;
-                break;
             }
             }
+            break;
+
+#if defined(_WIN32_IE) && _WIN32_IE >= 0x300
+        case NM_CUSTOMDRAW:
+            {
+                LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam;
+                NMCUSTOMDRAW& nmcd = lptvcd->nmcd;
+                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;
+
+                    case CDDS_ITEMPREPAINT:
+                        {
+                            wxTreeItemAttr *attr =
+                                (wxTreeItemAttr *)m_attrs.Get(nmcd.dwItemSpec);
+
+                            if ( !attr )
+                            {
+                                // nothing to do for this item
+                                return CDRF_DODEFAULT;
+                            }
+
+                            HFONT hFont;
+                            wxColour colText, colBack;
+                            if ( attr->HasFont() )
+                            {
+                                wxFont font = attr->GetFont();
+                                hFont = (HFONT)font.GetResourceHandle();
+                            }
+                            else
+                            {
+                                hFont = 0;
+                            }
+
+                            if ( attr->HasTextColour() )
+                            {
+                                colText = attr->GetTextColour();
+                            }
+                            else
+                            {
+                                colText = GetForegroundColour();
+                            }
+
+                            // selection colours should override ours
+                            if ( nmcd.uItemState & CDIS_SELECTED )
+                            {
+                                DWORD clrBk = ::GetSysColor(COLOR_HIGHLIGHT);
+                                lptvcd->clrTextBk = clrBk;
+
+                                // try to make the text visible
+                                lptvcd->clrText = wxColourToRGB(colText);
+                                lptvcd->clrText |= ~clrBk;
+                                lptvcd->clrText &= 0x00ffffff;
+                            }
+                            else
+                            {
+                                if ( attr->HasBackgroundColour() )
+                                {
+                                    colBack = attr->GetBackgroundColour();
+                                }
+                                else
+                                {
+                                    colBack = GetBackgroundColour();
+                                }
+
+                                lptvcd->clrText = wxColourToRGB(colText);
+                                lptvcd->clrTextBk = wxColourToRGB(colBack);
+                            }
+
+                            // note that if we wanted to set colours for
+                            // individual columns (subitems), we would have
+                            // returned CDRF_NOTIFYSUBITEMREDRAW from here
+                            if ( hFont )
+                            {
+                                ::SelectObject(nmcd.hdc, hFont);
+
+                                *result = CDRF_NEWFONT;
+                            }
+                            else
+                            {
+                                *result = CDRF_DODEFAULT;
+                            }
+
+                            return TRUE;
+                        }
+
+                    default:
+                        *result = CDRF_DODEFAULT;
+                        return TRUE;
+                }
+            }
+            break;
+#endif // _WIN32_IE >= 0x300
 
         default:
 
         default:
-            return wxControl::MSWNotify(wParam, lParam, result);
+            return wxControl::MSWOnNotify(idCtrl, lParam, result);
     }
 
     event.SetEventObject(this);
     }
 
     event.SetEventObject(this);
@@ -1035,17 +1838,103 @@ bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result)
     bool processed = GetEventHandler()->ProcessEvent(event);
 
     // post processing
     bool processed = GetEventHandler()->ProcessEvent(event);
 
     // post processing
-    if ( hdr->code == TVN_DELETEITEM )
+    switch ( hdr->code )
     {
     {
-        // NB: we might process this message using wxWindows event tables, but
-        //     due to overhead of wxWin event system we prefer to do it here
-        //     (otherwise deleting a tree with many items is just too slow)
-        NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam;
-        wxTreeItemData *data = (wxTreeItemData *)tv->itemOld.lParam;
-        delete data; // may be NULL, ok
-    }
+        case TVN_BEGINDRAG:
+        case TVN_BEGINRDRAG:
+            if ( event.IsAllowed() )
+            {
+                // normally this is impossible because the m_dragImage is
+                // deleted once the drag operation is over
+                wxASSERT_MSG( !m_dragImage, _T("starting to drag once again?") );
 
 
-    *result = !event.IsAllowed();
+                m_dragImage = new wxDragImage(*this, event.m_item);
+                m_dragImage->BeginDrag(wxPoint(0, 0), this);
+                m_dragImage->Show(this);
+            }
+            break;
+
+        case TVN_DELETEITEM:
+            {
+                // NB: we might process this message using wxWindows event
+                //     tables, but due to overhead of wxWin event system we
+                //     prefer to do it here ourself (otherwise deleting a tree
+                //     with many items is just too slow)
+                NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam;
+
+                wxTreeItemId item = event.m_item;
+                if ( HasIndirectData(item) )
+                {
+                    wxTreeItemIndirectData *data = (wxTreeItemIndirectData *)
+                                                        tv->itemOld.lParam;
+                    delete data; // can't be NULL here
+
+                    m_itemsWithIndirectData.Remove(item);
+                }
+                else
+                {
+                    wxTreeItemData *data = (wxTreeItemData *)tv->itemOld.lParam;
+                    delete data; // may be NULL, ok
+                }
+
+                processed = TRUE; // Make sure we don't get called twice
+            }
+            break;
+
+        case TVN_BEGINLABELEDIT:
+            // return TRUE to cancel label editing
+            *result = !event.IsAllowed();
+            break;
+
+        case TVN_ENDLABELEDIT:
+            // return TRUE to set the label to the new string
+            *result = event.IsAllowed();
+
+            // ensure that we don't have the text ctrl which is going to be
+            // deleted any more
+            DeleteTextCtrl();
+            break;
+
+        case TVN_SELCHANGING:
+        case TVN_ITEMEXPANDING:
+            // return TRUE to prevent the action from happening
+            *result = !event.IsAllowed();
+            break;
+
+        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 )
+            {
+                wxTreeItemId item = event.m_item;
+                TV_DISPINFO *info = (TV_DISPINFO *)lParam;
+                if ( info->item.mask & TVIF_IMAGE )
+                {
+                    info->item.iImage =
+                        DoGetItemImageFromData
+                        (
+                         item,
+                         IsExpanded(item) ? wxTreeItemIcon_Expanded
+                                          : wxTreeItemIcon_Normal
+                        );
+                }
+                if ( info->item.mask & TVIF_SELECTEDIMAGE )
+                {
+                    info->item.iSelectedImage =
+                        DoGetItemImageFromData
+                        (
+                         item,
+                         IsExpanded(item) ? wxTreeItemIcon_SelectedExpanded
+                                          : wxTreeItemIcon_Selected
+                        );
+                }
+            }
+            break;
+
+        //default:
+            // for the other messages the return value is ignored and there is
+            // nothing special to do
+    }
 
     return processed;
 }
 
     return processed;
 }
wxWidgets (Impactor)