moved SEH stuff to crashrpt.cpp

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

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index cda27e031108c9993a3ad09f267c6ee49cdb1014..78b92eaffdd66db497d7e352491735ff80cb8df6 100644 (file)
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -59,7 +59,7 @@
     #include "wx/msw/gnuwin32/extra.h"
 #endif
 
     #include "wx/msw/gnuwin32/extra.h"
 #endif
 

-#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
+#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__))

     #include <commctrl.h>
 #endif
 
     #include <commctrl.h>
 #endif
 


@@ -130,7 +130,7 @@ static bool IsItemSelected(HWND hwndTV, HTREEITEM hItem)
     return (tvi.state & TVIS_SELECTED) != 0;
 }
 
     return (tvi.state & TVIS_SELECTED) != 0;
 }
 

-static void SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = TRUE)
+static void SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = true)

 {
     TV_ITEM tvi;
     tvi.mask = TVIF_STATE | TVIF_HANDLE;
 {
     TV_ITEM tvi;
     tvi.mask = TVIF_STATE | TVIF_HANDLE;


@@ -146,7 +146,7 @@ static void SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = TRUE)
 
 static inline void UnselectItem(HWND hwndTV, HTREEITEM htItem)
 {
 
 static inline void UnselectItem(HWND hwndTV, HTREEITEM htItem)
 {

-    SelectItem(hwndTV, htItem, FALSE);
+    SelectItem(hwndTV, htItem, false);

 }
 
 static inline void ToggleItemSelection(HWND hwndTV, HTREEITEM htItem)
 }
 
 static inline void ToggleItemSelection(HWND hwndTV, HTREEITEM htItem)


@@ -159,10 +159,10 @@ static inline void ToggleItemSelection(HWND hwndTV, HTREEITEM htItem)
 static void SelectRange(HWND hwndTV,
                         HTREEITEM htFirst,
                         HTREEITEM htLast,
 static void SelectRange(HWND hwndTV,
                         HTREEITEM htFirst,
                         HTREEITEM htLast,

-                        bool unselectOthers = TRUE)
+                        bool unselectOthers = true)

 {
     // find the first (or last) item and select it
 {
     // find the first (or last) item and select it

-    bool cont = TRUE;
+    bool cont = true;

     HTREEITEM htItem = (HTREEITEM)TreeView_GetRoot(hwndTV);
     while ( htItem && cont )
     {
     HTREEITEM htItem = (HTREEITEM)TreeView_GetRoot(hwndTV);
     while ( htItem && cont )
     {


@@ -173,7 +173,7 @@ static void SelectRange(HWND hwndTV,
                 SelectItem(hwndTV, htItem);
             }
 
                 SelectItem(hwndTV, htItem);
             }
 

-            cont = FALSE;
+            cont = false;

         }
         else
         {
         }
         else
         {


@@ -322,6 +322,8 @@ public:
 
 private:
     wxTreeItemData *m_data;
 
 private:
     wxTreeItemData *m_data;

+
+    DECLARE_NO_COPY_CLASS(wxVirtualNode)

 };
 
 #ifdef __VISUALC__
 };
 
 #ifdef __VISUALC__


@@ -331,11 +333,11 @@ private:
 // a macro to get the virtual root, returns NULL if none
 #define GET_VIRTUAL_ROOT() ((wxVirtualNode *)m_pVirtualRoot)
 
 // a macro to get the virtual root, returns NULL if none
 #define GET_VIRTUAL_ROOT() ((wxVirtualNode *)m_pVirtualRoot)
 

-// returns TRUE if the item is the virtual root
+// returns true if the item is the virtual root

 #define IS_VIRTUAL_ROOT(item) (HITEM(item) == TVI_ROOT)
 
 // a class which encapsulates the tree traversal logic: it vists all (unless
 #define IS_VIRTUAL_ROOT(item) (HITEM(item) == TVI_ROOT)
 
 // a class which encapsulates the tree traversal logic: it vists all (unless

-// OnVisit() returns FALSE) items under the given one
+// OnVisit() returns false) items under the given one

 class wxTreeTraversal
 {
 public:
 class wxTreeTraversal
 {
 public:


@@ -345,12 +347,12 @@ public:
     }
 
     // do traverse the tree: visit all items (recursively by default) under the
     }
 
     // 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);
+    // 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
 
     // override this function to do whatever is needed for each item, return

-    // FALSE to stop traversing
+    // false to stop traversing

     virtual bool OnVisit(const wxTreeItemId& item) = 0;
 
 protected:
     virtual bool OnVisit(const wxTreeItemId& item) = 0;
 
 protected:


@@ -360,6 +362,8 @@ private:
     bool Traverse(const wxTreeItemId& root, bool recursively);
 
     const wxTreeCtrl *m_tree;
     bool Traverse(const wxTreeItemId& root, bool recursively);
 
     const wxTreeCtrl *m_tree;

+
+    DECLARE_NO_COPY_CLASS(wxTreeTraversal)

 };
 
 // internal class for getting the selected items
 };
 
 // internal class for getting the selected items


@@ -380,7 +384,7 @@ public:
         // can't visit a virtual node.
         if ( (GetTree()->GetRootItem() == item) && (GetTree()->GetWindowStyle() & wxTR_HIDE_ROOT))
         {
         // can't visit a virtual node.
         if ( (GetTree()->GetRootItem() == item) && (GetTree()->GetWindowStyle() & wxTR_HIDE_ROOT))
         {

-            return TRUE;
+            return true;

         }
 
 #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
         }
 
 #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE


@@ -392,7 +396,7 @@ public:
             m_selections.Add(item);
         }
 
             m_selections.Add(item);
         }
 

-        return TRUE;
+        return true;

     }
 
     size_t GetCount() const { return m_selections.GetCount(); }
     }
 
     size_t GetCount() const { return m_selections.GetCount(); }


@@ -419,7 +423,7 @@ public:
     {
         m_count++;
 
     {
         m_count++;
 

-        return TRUE;
+        return true;

     }
 
     size_t GetCount() const { return m_count; }
     }
 
     size_t GetCount() const { return m_count; }


@@ -487,6 +491,8 @@ private:
 
     // the real client data
     wxTreeItemData *m_data;
 
     // the real client data
     wxTreeItemData *m_data;

+
+    DECLARE_NO_COPY_CLASS(wxTreeItemIndirectData)

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -538,7 +544,7 @@ static /* const */ wxEventType gs_expandEvents[IDX_WHAT_MAX][IDX_HOW_MAX];
 bool wxTreeTraversal::DoTraverse(const wxTreeItemId& root, bool recursively)
 {
     if ( !OnVisit(root) )
 bool wxTreeTraversal::DoTraverse(const wxTreeItemId& root, bool recursively)
 {
     if ( !OnVisit(root) )

-        return FALSE;
+        return false;

 
     return Traverse(root, recursively);
 }
 
     return Traverse(root, recursively);
 }


@@ -550,16 +556,16 @@ bool wxTreeTraversal::Traverse(const wxTreeItemId& root, bool recursively)
     while ( child.IsOk() )
     {
         // depth first traversal
     while ( child.IsOk() )
     {
         // depth first traversal

-        if ( recursively && !Traverse(child, TRUE) )
-            return FALSE;
+        if ( recursively && !Traverse(child, true) )
+            return false;

 
         if ( !OnVisit(child) )
 
         if ( !OnVisit(child) )

-            return FALSE;
+            return false;

 
         child = m_tree->GetNextChild(root, cookie);
     }
 
 
         child = m_tree->GetNextChild(root, cookie);
     }
 

-    return TRUE;
+    return true;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -570,9 +576,9 @@ void wxTreeCtrl::Init()
 {
     m_imageListNormal = NULL;
     m_imageListState = NULL;
 {
     m_imageListNormal = NULL;
     m_imageListState = NULL;

-    m_ownsImageListNormal = m_ownsImageListState = FALSE;
+    m_ownsImageListNormal = m_ownsImageListState = false;

     m_textCtrl = NULL;
     m_textCtrl = NULL;

-    m_hasAnyAttr = FALSE;
+    m_hasAnyAttr = false;

     m_dragImage = NULL;
     m_htSelStart = 0;
     m_pVirtualRoot = NULL;
     m_dragImage = NULL;
     m_htSelStart = 0;
     m_pVirtualRoot = NULL;


@@ -595,14 +601,15 @@ bool wxTreeCtrl::Create(wxWindow *parent,
 {
     Init();
 
 {
     Init();
 

-    if ( !CreateControl(parent, id, pos, size, style, validator, name) )
-        return FALSE;
+    if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT )
+        style |= wxBORDER_SUNKEN;

 
 

-    DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
-                   TVS_SHOWSELALWAYS;
+    if ( !CreateControl(parent, id, pos, size, style, validator, name) )
+        return false;

 
 

-    if ( m_windowStyle & wxCLIP_SIBLINGS )
-        wstyle |= WS_CLIPSIBLINGS;
+    DWORD exStyle = 0;
+    DWORD wstyle = MSWGetStyle(m_windowStyle, & exStyle);
+    wstyle |= WS_TABSTOP | TVS_SHOWSELALWAYS;

 
     if ((m_windowStyle & wxTR_NO_LINES) == 0)
         wstyle |= TVS_HASLINES;
 
     if ((m_windowStyle & wxTR_NO_LINES) == 0)
         wstyle |= TVS_HASLINES;


@@ -637,7 +644,7 @@ bool wxTreeCtrl::Create(wxWindow *parent,
 
     // Create the tree control.
     if ( !MSWCreateControl(WC_TREEVIEW, wstyle) )
 
     // Create the tree control.
     if ( !MSWCreateControl(WC_TREEVIEW, wstyle) )

-        return FALSE;
+        return false;

 
 #if wxUSE_COMCTL32_SAFELY
     wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 
 #if wxUSE_COMCTL32_SAFELY
     wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));


@@ -671,7 +678,7 @@ bool wxTreeCtrl::Create(wxWindow *parent,
         // create a mono bitmap of the standard size
         int x = GetSystemMetrics(SM_CXMENUCHECK);
         int y = GetSystemMetrics(SM_CYMENUCHECK);
         // create a mono bitmap of the standard size
         int x = GetSystemMetrics(SM_CXMENUCHECK);
         int y = GetSystemMetrics(SM_CYMENUCHECK);

-        wxImageList imagelistCheckboxes(x, y, FALSE, 2);
+        wxImageList imagelistCheckboxes(x, y, false, 2);

         HBITMAP hbmpCheck = CreateBitmap(x, y,   // bitmap size
                                          1,      // # of color planes
                                          1,      // # bits needed for one pixel
         HBITMAP hbmpCheck = CreateBitmap(x, y,   // bitmap size
                                          1,      // # of color planes
                                          1,      // # bits needed for one pixel


@@ -710,7 +717,7 @@ bool wxTreeCtrl::Create(wxWindow *parent,
 
     SetSize(pos.x, pos.y, size.x, size.y);
 
 
     SetSize(pos.x, pos.y, size.x, size.y);
 

-    return TRUE;
+    return true;

 }
 
 wxTreeCtrl::~wxTreeCtrl()
 }
 
 wxTreeCtrl::~wxTreeCtrl()


@@ -718,13 +725,14 @@ wxTreeCtrl::~wxTreeCtrl()
     // delete any attributes
     if ( m_hasAnyAttr )
     {
     // delete any attributes
     if ( m_hasAnyAttr )
     {

-        for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() )
+        for ( wxHashTable::compatibility_iterator node = m_attrs.Next();
+              node; node = m_attrs.Next() )

         {
         {

-            delete (wxTreeItemAttr *)node->Data();
+            delete (wxTreeItemAttr *)node->GetData();

         }
 
         // prevent TVN_DELETEITEM handler from deleting the attributes again!
         }
 
         // prevent TVN_DELETEITEM handler from deleting the attributes again!

-        m_hasAnyAttr = FALSE;
+        m_hasAnyAttr = false;

     }
 
     DeleteTextCtrl();
     }
 
     DeleteTextCtrl();


@@ -745,17 +753,17 @@ wxTreeCtrl::~wxTreeCtrl()
 
 bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const
 {
 
 bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const
 {

-    wxCHECK_MSG( tvItem->hItem != TVI_ROOT, FALSE,
+    wxCHECK_MSG( tvItem->hItem != TVI_ROOT, false,

                  _T("can't retrieve virtual root item") );
 
     if ( !TreeView_GetItem(GetHwnd(), tvItem) )
     {
         wxLogLastError(wxT("TreeView_GetItem"));
 
                  _T("can't retrieve virtual root item") );
 
     if ( !TreeView_GetItem(GetHwnd(), tvItem) )
     {
         wxLogLastError(wxT("TreeView_GetItem"));
 

-        return FALSE;
+        return false;

     }
 
     }
 

-    return TRUE;
+    return true;

 }
 
 void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem)
 }
 
 void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem)


@@ -788,7 +796,7 @@ wxImageList *wxTreeCtrl::GetImageList() const
 
 wxImageList *wxTreeCtrl::GetStateImageList() const
 {
 
 wxImageList *wxTreeCtrl::GetStateImageList() const
 {

-    return m_imageListNormal;
+    return m_imageListState;

 }
 
 void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which)
 }
 
 void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which)


@@ -805,26 +813,26 @@ void wxTreeCtrl::SetImageList(wxImageList *imageList)
         delete m_imageListNormal;
 
     SetAnyImageList(m_imageListNormal = imageList, TVSIL_NORMAL);
         delete m_imageListNormal;
 
     SetAnyImageList(m_imageListNormal = imageList, TVSIL_NORMAL);

-    m_ownsImageListNormal = FALSE;
+    m_ownsImageListNormal = false;

 }
 
 void wxTreeCtrl::SetStateImageList(wxImageList *imageList)
 {
     if (m_ownsImageListState) delete m_imageListState;
     SetAnyImageList(m_imageListState = imageList, TVSIL_STATE);
 }
 
 void wxTreeCtrl::SetStateImageList(wxImageList *imageList)
 {
     if (m_ownsImageListState) delete m_imageListState;
     SetAnyImageList(m_imageListState = imageList, TVSIL_STATE);

-    m_ownsImageListState = FALSE;
+    m_ownsImageListState = false;

 }
 
 void wxTreeCtrl::AssignImageList(wxImageList *imageList)
 {
     SetImageList(imageList);
 }
 
 void wxTreeCtrl::AssignImageList(wxImageList *imageList)
 {
     SetImageList(imageList);

-    m_ownsImageListNormal = TRUE;
+    m_ownsImageListNormal = true;

 }
 
 void wxTreeCtrl::AssignStateImageList(wxImageList *imageList)
 {
     SetStateImageList(imageList);
 }
 
 void wxTreeCtrl::AssignStateImageList(wxImageList *imageList)
 {
     SetStateImageList(imageList);

-    m_ownsImageListState = TRUE;
+    m_ownsImageListState = true;

 }
 
 size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item,
 }
 
 size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item,


@@ -843,24 +851,24 @@ bool wxTreeCtrl::SetBackgroundColour(const wxColour &colour)
 {
 #if !wxUSE_COMCTL32_SAFELY
     if ( !wxWindowBase::SetBackgroundColour(colour) )
 {
 #if !wxUSE_COMCTL32_SAFELY
     if ( !wxWindowBase::SetBackgroundColour(colour) )

-        return FALSE;
+        return false;

 
     SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel());
 #endif
 
 
     SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel());
 #endif
 

-    return TRUE;
+    return true;

 }
 
 bool wxTreeCtrl::SetForegroundColour(const wxColour &colour)
 {
 #if !wxUSE_COMCTL32_SAFELY
     if ( !wxWindowBase::SetForegroundColour(colour) )
 }
 
 bool wxTreeCtrl::SetForegroundColour(const wxColour &colour)
 {
 #if !wxUSE_COMCTL32_SAFELY
     if ( !wxWindowBase::SetForegroundColour(colour) )

-        return FALSE;
+        return false;

 
     SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel());
 #endif
 
 
     SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel());
 #endif
 

-    return TRUE;
+    return true;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -1005,15 +1013,28 @@ void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image,
         return;
     }
 
         return;
     }
 

-    int imageNormal, imageSel;
+    int imageNormal,
+        imageSel;
+

     switch ( which )
     {
         default:
             wxFAIL_MSG( wxT("unknown tree item image type") );
     switch ( which )
     {
         default:
             wxFAIL_MSG( wxT("unknown tree item image type") );

+            // fall through

 
         case wxTreeItemIcon_Normal:
 
         case wxTreeItemIcon_Normal:

-            imageNormal = image;
-            imageSel = GetItemSelectedImage(item);
+            {
+                const int imageNormalOld = GetItemImage(item);
+                const int imageSelOld = GetItemSelectedImage(item);
+
+                // always set the normal image
+                imageNormal = image;
+
+                // if the selected and normal images were the same, they should
+                // be the same after the update, otherwise leave the selected
+                // image as it was
+                imageSel = imageNormalOld == imageSelOld ? image : imageSelOld;
+            }

             break;
 
         case wxTreeItemIcon_Selected:
             break;
 
         case wxTreeItemIcon_Selected:


@@ -1131,7 +1152,7 @@ bool wxTreeCtrl::HasIndirectData(const wxTreeItemId& item) const
     wxTreeViewItem tvItem(item, TVIF_PARAM);
     if ( !DoGetItem(&tvItem) )
     {
     wxTreeViewItem tvItem(item, TVIF_PARAM);
     if ( !DoGetItem(&tvItem) )
     {

-        return FALSE;
+        return false;

     }
 
     wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam;
     }
 
     wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam;


@@ -1181,10 +1202,46 @@ void wxTreeCtrl::RefreshItem(const wxTreeItemId& item)
     }
 }
 
     }
 }
 

+wxColour wxTreeCtrl::GetItemTextColour(const wxTreeItemId& item) const
+{
+    long id = (long)(WXHTREEITEM)item;
+    wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
+    if ( !attr )
+    {
+        return wxNullColour;
+    }
+
+    return attr->GetTextColour();
+}
+
+wxColour wxTreeCtrl::GetItemBackgroundColour(const wxTreeItemId& item) const
+{
+    long id = (long)(WXHTREEITEM)item;
+    wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
+    if ( !attr )
+    {
+        return wxNullColour;
+    }
+
+    return attr->GetBackgroundColour();
+}
+
+wxFont wxTreeCtrl::GetItemFont(const wxTreeItemId& item) const
+{
+    long id = (long)(WXHTREEITEM)item;
+    wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
+    if ( !attr )
+    {
+        return wxNullFont;
+    }
+
+    return attr->GetFont();
+}
+

 void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item,
                                    const wxColour& col)
 {
 void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item,
                                    const wxColour& col)
 {

-    m_hasAnyAttr = TRUE;
+    m_hasAnyAttr = true;

 
     long id = (long)(WXHTREEITEM)item;
     wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
 
     long id = (long)(WXHTREEITEM)item;
     wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);


@@ -1202,7 +1259,7 @@ void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item,
 void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
                                          const wxColour& col)
 {
 void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
                                          const wxColour& col)
 {

-    m_hasAnyAttr = TRUE;
+    m_hasAnyAttr = true;

 
     long id = (long)(WXHTREEITEM)item;
     wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
 
     long id = (long)(WXHTREEITEM)item;
     wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);


@@ -1219,7 +1276,7 @@ void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
 
 void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
 {
 
 void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
 {

-    m_hasAnyAttr = TRUE;
+    m_hasAnyAttr = true;

 
     long id = (long)(WXHTREEITEM)item;
     wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
 
     long id = (long)(WXHTREEITEM)item;
     wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);


@@ -1240,6 +1297,12 @@ void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
 
 bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const
 {
 
 bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const
 {

+    if ( item == wxTreeItemId(TVI_ROOT) )
+    {
+        // virtual (hidden) root is never visible
+        return false;
+    }
+

     // 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;
 


@@ -1247,8 +1310,8 @@ bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const
     // the HTREEITEM with TVM_GETITEMRECT
     *(WXHTREEITEM *)&rect = (WXHTREEITEM)item;
 
     // 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;
+    // 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
 }
 
 bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const


@@ -1307,7 +1370,7 @@ wxTreeItemId wxTreeCtrl::GetSelection() const
     return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(GetHwnd()));
 }
 
     return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(GetHwnd()));
 }
 

-wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const
+wxTreeItemId wxTreeCtrl::GetItemParent(const wxTreeItemId& item) const

 {
     HTREEITEM hItem;
 
 {
     HTREEITEM hItem;
 


@@ -1617,8 +1680,14 @@ void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item)
 
 void wxTreeCtrl::DeleteAllItems()
 {
 
 void wxTreeCtrl::DeleteAllItems()
 {

-    // delete stored root item.
-    delete GET_VIRTUAL_ROOT();
+    // delete the "virtual" root item.
+    if ( GET_VIRTUAL_ROOT() )
+    {
+        delete GET_VIRTUAL_ROOT();
+        m_pVirtualRoot = NULL;
+    }
+
+    // and all the real items

 
     if ( !TreeView_DeleteAllItems(GetHwnd()) )
     {
 
     if ( !TreeView_DeleteAllItems(GetHwnd()) )
     {


@@ -1710,7 +1779,7 @@ void wxTreeCtrl::UnselectAll()
         for ( size_t n = 0; n < count; n++ )
         {
 #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
         for ( size_t n = 0; n < count; n++ )
         {
 #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE

-            SetItemCheck(selections[n], FALSE);
+            SetItemCheck(selections[n], false);

 #else // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
             ::UnselectItem(GetHwnd(), HITEM(selections[n]));
 #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
 #else // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
             ::UnselectItem(GetHwnd(), HITEM(selections[n]));
 #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE


@@ -1810,7 +1879,7 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item,
     HWND hWnd = (HWND) TreeView_EditLabel(GetHwnd(), HITEM(item));
 
     // this is not an error - the TVN_BEGINLABELEDIT handler might have
     HWND hWnd = (HWND) TreeView_EditLabel(GetHwnd(), HITEM(item));
 
     // this is not an error - the TVN_BEGINLABELEDIT handler might have

-    // returned FALSE
+    // returned false

     if ( !hWnd )
     {
         delete m_textCtrl;
     if ( !hWnd )
     {
         delete m_textCtrl;


@@ -1866,17 +1935,24 @@ bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item,
                                  bool textOnly) const
 {
     RECT rc;
                                  bool textOnly) const
 {
     RECT rc;

+
+    // Virtual root items have no bounding rectangle
+    if ( IS_VIRTUAL_ROOT(item) )
+    {
+        return false;
+    }
+

     if ( TreeView_GetItemRect(GetHwnd(), HITEM(item),
                               &rc, textOnly) )
     {
         rect = wxRect(wxPoint(rc.left, rc.top), wxPoint(rc.right, rc.bottom));
 
     if ( TreeView_GetItemRect(GetHwnd(), HITEM(item),
                               &rc, textOnly) )
     {
         rect = wxRect(wxPoint(rc.left, rc.top), wxPoint(rc.right, rc.bottom));
 

-        return TRUE;
+        return true;

     }
     else
     {
         // couldn't retrieve rect: for example, item isn't visible
     }
     else
     {
         // couldn't retrieve rect: for example, item isn't visible

-        return FALSE;
+        return false;

     }
 }
 
     }
 }
 


@@ -1963,11 +2039,11 @@ bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id)
     else
     {
         // nothing done
     else
     {
         // nothing done

-        return FALSE;
+        return false;

     }
 
     // command processed
     }
 
     // command processed

-    return TRUE;
+    return true;

 }
 
 // we hook into WndProc to process WM_MOUSEMOVE/WM_BUTTONUP messages - as we
 }
 
 // we hook into WndProc to process WM_MOUSEMOVE/WM_BUTTONUP messages - as we


@@ -1976,14 +2052,14 @@ bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id)
 // instead of passing by wxWin events
 long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 {
 // instead of passing by wxWin events
 long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 {

-    bool processed = FALSE;
+    bool processed = false;

     long rc = 0;
     bool isMultiple = (GetWindowStyle() & wxTR_MULTIPLE) != 0;
 
     if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) )
     {
     long rc = 0;
     bool isMultiple = (GetWindowStyle() & wxTR_MULTIPLE) != 0;
 
     if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) )
     {

-        // we only process mouse messages here and these parameters have the same
-        // meaning for all of them
+        // we only process mouse messages here and these parameters have the
+        // same meaning for all of them

         int x = GET_X_LPARAM(lParam),
             y = GET_Y_LPARAM(lParam);
         HTREEITEM htItem = GetItemFromPoint(GetHwnd(), x, y);
         int x = GET_X_LPARAM(lParam),
             y = GET_Y_LPARAM(lParam);
         HTREEITEM htItem = GetItemFromPoint(GetHwnd(), x, y);


@@ -2021,7 +2097,7 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
                         // reset on any click without Shift
                         m_htSelStart = 0;
 
                         // reset on any click without Shift
                         m_htSelStart = 0;
 

-                        processed = TRUE;
+                        processed = true;

                     }
                     else if ( wParam & MK_SHIFT )
                     {
                     }
                     else if ( wParam & MK_SHIFT )
                     {


@@ -2040,17 +2116,41 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 
                         ::SetFocus(GetHwnd(), htItem);
 
 
                         ::SetFocus(GetHwnd(), htItem);
 

-                        processed = TRUE;
+                        processed = true;

                     }
                     else // normal click
                     {
                     }
                     else // normal click
                     {

-                        // clear the selection and then let the default handler
-                        // do the job
-                        UnselectAll();
+                        // avoid doing anything if we click on the only
+                        // currently selected item
+                        
+                        wxArrayTreeItemIds selections;
+                        size_t count = GetSelections(selections);
+                        if ( count == 0 ||
+                             count > 1 ||
+                             HITEM(selections[0]) != htItem )
+                        {
+                            // clear the previously selected items, if the
+                            // user clicked outside of the present selection.
+                            // otherwise, perform the deselection on mouse-up.
+                            // this allows multiple drag and drop to work.
+                            
+                            if (IsItemSelected(GetHwnd(), htItem))
+                            {
+                                ::SetFocus(GetHwnd(), htItem);
+                            }
+                             else
+                            {
+                                UnselectAll();

 
 

-                        // prevent the click from starting in-place editing
-                        // when there was no selection in the control
-                        TreeView_SelectItem(GetHwnd(), 0);
+                                // prevent the click from starting in-place editing
+                                // which should only happen if we click on the
+                                // already selected item (and nothing else is
+                                // selected)
+
+                                TreeView_SelectItem(GetHwnd(), 0);
+                                ::SelectItem(GetHwnd(), htItem);
+                            }
+                        }

 
                         // reset on any click without Shift
                         m_htSelStart = 0;
 
                         // reset on any click without Shift
                         m_htSelStart = 0;


@@ -2075,6 +2175,24 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
                 break;
 
             case WM_LBUTTONUP:
                 break;
 
             case WM_LBUTTONUP:

+
+                // facilitates multiple drag-and-drop
+                if (htItem && isMultiple)
+                {
+                    wxArrayTreeItemIds selections;
+                    size_t count = GetSelections(selections);
+
+                    if (count > 1 &&
+                        !(wParam & MK_CONTROL) &&
+                        !(wParam & MK_SHIFT))
+                    {
+                        UnselectAll();
+                        TreeView_SelectItem(GetHwnd(), htItem);
+                    }
+                }
+
+                // fall through
+

             case WM_RBUTTONUP:
                 if ( m_dragImage )
                 {
             case WM_RBUTTONUP:
                 if ( m_dragImage )
                 {


@@ -2109,12 +2227,12 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
         RECT rect;
         for ( size_t n = 0; n < count; n++ )
         {
         RECT rect;
         for ( size_t n = 0; n < count; n++ )
         {

-            // TreeView_GetItemRect() will return FALSE if item is not visible,
+            // TreeView_GetItemRect() will return false if item is not visible,

             // which may happen perfectly well
             if ( TreeView_GetItemRect(GetHwnd(), HITEM(selections[n]),
             // which may happen perfectly well
             if ( TreeView_GetItemRect(GetHwnd(), HITEM(selections[n]),

-                                      &rect, TRUE) )
+                                      &rect, true) )

             {
             {

-                ::InvalidateRect(GetHwnd(), &rect, FALSE);
+                ::InvalidateRect(GetHwnd(), &rect, false);

             }
         }
     }
             }
         }
     }


@@ -2145,7 +2263,7 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
                 ::SelectItem(GetHwnd(), htSel);
             }
 
                 ::SelectItem(GetHwnd(), htSel);
             }
 

-            processed = TRUE;
+            processed = true;

         }
         else if ( wParam == VK_UP || wParam == VK_DOWN )
         {
         }
         else if ( wParam == VK_UP || wParam == VK_DOWN )
         {


@@ -2179,11 +2297,24 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
                     ::SetFocus(GetHwnd(), htNext);
                 }
 
                     ::SetFocus(GetHwnd(), htNext);
                 }
 

-                processed = TRUE;
+                processed = true;

             }
         }
     }
 #endif // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
             }
         }
     }
 #endif // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE

+    else if ( nMsg == WM_CHAR )
+    {
+        // don't let the control process Space and Return keys because it
+        // doesn't do anything useful with them anyhow but always beeps
+        // annoyingly when it receives them and there is no way to turn it off
+        // simply if you just process TREEITEM_ACTIVATED event to which Space
+        // and Enter presses are mapped in your code
+        if ( wParam == VK_SPACE || wParam == VK_RETURN )
+        {
+            processed = true;
+        }
+    }
+

     if ( !processed )
         rc = wxControl::MSWWindowProc(nMsg, wParam, lParam);
 
     if ( !processed )
         rc = wxControl::MSWWindowProc(nMsg, wParam, lParam);
 


@@ -2228,6 +2359,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
                 event.m_item = (WXHTREEITEM) info->item.hItem;
                 event.m_label = info->item.pszText;
 
                 event.m_item = (WXHTREEITEM) info->item.hItem;
                 event.m_label = info->item.pszText;

+                event.m_editCancelled = false;

             }
             break;
 
             }
             break;
 


@@ -2254,7 +2386,13 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 event.m_item = (WXHTREEITEM)info->item.hItem;
                 event.m_label = info->item.pszText;
                 if (info->item.pszText == NULL)
                 event.m_item = (WXHTREEITEM)info->item.hItem;
                 event.m_label = info->item.pszText;
                 if (info->item.pszText == NULL)

-                    return FALSE;
+                {
+                    event.m_editCancelled = true;
+                }
+                 else
+                {
+                    event.m_editCancelled = false;
+                }

                 break;
             }
 
                 break;
             }
 


@@ -2295,8 +2433,8 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                         break;
                 }
 
                         break;
                 }
 

-                int how = (int)hdr->code == TVN_ITEMEXPANDING ? IDX_DOING
-                                                              : IDX_DONE;
+                int how = hdr->code == TVN_ITEMEXPANDING ? IDX_DOING
+                                                         : IDX_DONE;

 
                 eventType = gs_expandEvents[what][how];
 
 
                 eventType = gs_expandEvents[what][how];
 


@@ -2313,7 +2451,10 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 // similar to the ones from a "real" WM_KEYDOWN so that
                 // CreateKeyEvent() works correctly
                 WXLPARAM lParam =
                 // similar to the ones from a "real" WM_KEYDOWN so that
                 // CreateKeyEvent() works correctly
                 WXLPARAM lParam =

-                    (::GetKeyState(VK_MENU) & 0x100 ? KF_ALTDOWN : 0) << 16;
+//                    (::GetKeyState(VK_MENU) & 0x100 ? KF_ALTDOWN : 0) << 16;
+                     // Returns different negative values on WinME and WinNT,
+                     // so simply test for negative value.
+                     (::GetKeyState(VK_MENU) < 0 ? KF_ALTDOWN : 0) << 16;

 
                 WXWPARAM wParam = info->wVKey;
 
 
                 WXWPARAM wParam = info->wVKey;
 


@@ -2348,20 +2489,34 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             }
             break;
 
             }
             break;
 

-        case TVN_SELCHANGED:
+        // NB: MSLU is broken and sends TVN_SELCHANGEDA instead of 
+        //     TVN_SELCHANGEDW in Unicode mode under Win98. Therefore
+        //     we have to handle both messages:
+        case TVN_SELCHANGEDA:
+        case TVN_SELCHANGEDW:

             eventType = wxEVT_COMMAND_TREE_SEL_CHANGED;
             // fall through
 
             eventType = wxEVT_COMMAND_TREE_SEL_CHANGED;
             // fall through
 

-        case TVN_SELCHANGING:
+        case TVN_SELCHANGINGA:
+        case TVN_SELCHANGINGW:

             {
                 if ( eventType == wxEVT_NULL )
                     eventType = wxEVT_COMMAND_TREE_SEL_CHANGING;
                 //else: already set above
 
             {
                 if ( eventType == wxEVT_NULL )
                     eventType = wxEVT_COMMAND_TREE_SEL_CHANGING;
                 //else: already set above
 

-                NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam;
-
-                event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
-                event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem;
+                if (hdr->code == TVN_SELCHANGINGW || 
+                    hdr->code == TVN_SELCHANGEDW)
+                {
+                    NM_TREEVIEWW* tv = (NM_TREEVIEWW *)lParam;
+                    event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
+                    event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem;
+                }
+                else
+                {
+                    NM_TREEVIEWA* tv = (NM_TREEVIEWA *)lParam;
+                    event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
+                    event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem;
+                }

             }
             break;
 
             }
             break;
 


@@ -2392,17 +2547,16 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                             }
 
                             HFONT hFont;
                             }
 
                             HFONT hFont;

-                            wxColour colText, colBack;

                             if ( attr->HasFont() )
                             {
                             if ( attr->HasFont() )
                             {

-                                wxFont font = attr->GetFont();
-                                hFont = (HFONT)font.GetResourceHandle();
+                                hFont = GetHfontOf(attr->GetFont());

                             }
                             else
                             {
                                 hFont = 0;
                             }
 
                             }
                             else
                             {
                                 hFont = 0;
                             }
 

+                            wxColour colText;

                             if ( attr->HasTextColour() )
                             {
                                 colText = attr->GetTextColour();
                             if ( attr->HasTextColour() )
                             {
                                 colText = attr->GetTextColour();


@@ -2415,16 +2569,14 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                             // selection colours should override ours
                             if ( nmcd.uItemState & CDIS_SELECTED )
                             {
                             // 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;
+                                lptvcd->clrTextBk =
+                                    ::GetSysColor(COLOR_HIGHLIGHT);
+                                lptvcd->clrText =
+                                    ::GetSysColor(COLOR_HIGHLIGHTTEXT);

                             }
                             }

-                            else
+                            else // !selected

                             {
                             {

+                                wxColour colBack;

                                 if ( attr->HasBackgroundColour() )
                                 {
                                     colBack = attr->GetBackgroundColour();
                                 if ( attr->HasBackgroundColour() )
                                 {
                                     colBack = attr->GetBackgroundColour();


@@ -2460,9 +2612,26 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             }
 
             // we always process it
             }
 
             // we always process it

-            return TRUE;
+            return true;

 #endif // _WIN32_IE >= 0x300
 
 #endif // _WIN32_IE >= 0x300
 

+        case NM_CLICK:
+            {
+                DWORD pos = GetMessagePos();
+                POINT point;
+                point.x = LOWORD(pos);
+                point.y = HIWORD(pos);
+                ::MapWindowPoints(HWND_DESKTOP, GetHwnd(), &point, 1);
+                int flags = 0;
+                wxTreeItemId item = HitTest(wxPoint(point.x, point.y), flags);
+                if (flags & wxTREE_HITTEST_ONITEMSTATEICON)
+                {
+                    event.m_item = item;
+                    eventType = wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK;
+                }
+                break;
+            }
+

         case NM_DBLCLK:
         case NM_RCLICK:
             {
         case NM_DBLCLK:
         case NM_RCLICK:
             {


@@ -2504,7 +2673,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             // the return code of this event handler as the return value for
             // NM_DBLCLK - otherwise, double clicking the item to toggle its
             // expanded status would never work
             // the return code of this event handler as the return value for
             // NM_DBLCLK - otherwise, double clicking the item to toggle its
             // expanded status would never work

-            *result = FALSE;
+            *result = false;

             break;
 
         case TVN_BEGINDRAG:
             break;
 
         case TVN_BEGINDRAG:


@@ -2542,12 +2711,12 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                     delete data; // may be NULL, ok
                 }
 
                     delete data; // may be NULL, ok
                 }
 

-                processed = TRUE; // Make sure we don't get called twice
+                processed = true; // Make sure we don't get called twice

             }
             break;
 
         case TVN_BEGINLABELEDIT:
             }
             break;
 
         case TVN_BEGINLABELEDIT:

-            // return TRUE to cancel label editing
+            // return true to cancel label editing

             *result = !event.IsAllowed();
             // set ES_WANTRETURN ( like we do in BeginLabelEdit )
             if(event.IsAllowed())
             *result = !event.IsAllowed();
             // set ES_WANTRETURN ( like we do in BeginLabelEdit )
             if(event.IsAllowed())


@@ -2578,12 +2747,12 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             break;
 
         case TVN_ENDLABELEDIT:
             break;
 
         case TVN_ENDLABELEDIT:

-            // return TRUE to set the label to the new string: note that we
+            // 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
             // also must pretend that we did process the message or it is going

-            // to be passed to DefWindowProc() which will happily return FALSE
+            // to be passed to DefWindowProc() which will happily return false

             // cancelling the label change
             *result = event.IsAllowed();
             // cancelling the label change
             *result = event.IsAllowed();

-            processed = TRUE;
+            processed = true;

 
             // ensure that we don't have the text ctrl which is going to be
             // deleted any more
 
             // ensure that we don't have the text ctrl which is going to be
             // deleted any more


@@ -2592,7 +2761,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
         case TVN_SELCHANGING:
         case TVN_ITEMEXPANDING:
 
         case TVN_SELCHANGING:
         case TVN_ITEMEXPANDING:

-            // return TRUE to prevent the action from happening
+            // return true to prevent the action from happening

             *result = !event.IsAllowed();
             break;
 
             *result = !event.IsAllowed();
             break;
 


@@ -2649,6 +2818,50 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
     return processed;
 }
 
     return processed;
 }
 

+// ----------------------------------------------------------------------------
+// State control.
+// ----------------------------------------------------------------------------
+
+// why do they define INDEXTOSTATEIMAGEMASK but not the inverse?
+#define STATEIMAGEMASKTOINDEX(state) (((state) & TVIS_STATEIMAGEMASK) >> 12)
+
+void wxTreeCtrl::SetState(const wxTreeItemId& node, int state)
+{
+    TV_ITEM tvi;
+    tvi.hItem = (HTREEITEM)node.m_pItem;
+    tvi.mask = TVIF_STATE;
+    tvi.stateMask = TVIS_STATEIMAGEMASK;
+
+    // Select the specified state, or -1 == cycle to the next one.
+    if ( state == -1 )
+    {
+        TreeView_GetItem(GetHwnd(), &tvi); 
+
+        state = STATEIMAGEMASKTOINDEX(tvi.state) + 1;
+        if ( state == m_imageListState->GetImageCount() )
+            state = 1;
+    }
+
+    wxCHECK_RET( state < m_imageListState->GetImageCount(),
+                 _T("wxTreeCtrl::SetState(): item index out of bounds") );
+
+    tvi.state = INDEXTOSTATEIMAGEMASK(state); 
+
+    TreeView_SetItem(GetHwnd(), &tvi);
+}
+
+int wxTreeCtrl::GetState(const wxTreeItemId& node)
+{
+    TV_ITEM tvi;
+    tvi.hItem = (HTREEITEM)node.m_pItem;
+    tvi.mask = TVIF_STATE;
+    tvi.stateMask = TVIS_STATEIMAGEMASK;
+    TreeView_GetItem(GetHwnd(), &tvi); 
+
+    return STATEIMAGEMASKTOINDEX(tvi.state);
+}
+

 #endif // __WIN95__
 
 #endif // wxUSE_TREECTRL
 #endif // __WIN95__
 
 #endif // wxUSE_TREECTRL

+