]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/treectrl.cpp
pointer returned by GetNativeFontInfo() is now const and must not be deleted (replace...
[wxWidgets.git] / src / msw / treectrl.cpp
index d412e56ef7efbd7b6f55351293b891eaaf0c039d..baaccbd974ce9e73f2664c9dca87469756690672 100644 (file)
@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "treectrl.h"
 #endif
 
 // comctl32.dll versions
 #define wxUSE_COMCTL32_SAFELY 0
 
-// 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__)
-
 #include "wx/app.h"
 #include "wx/log.h"
 #include "wx/dynarray.h"
 #include "wx/msw/treectrl.h"
 #include "wx/msw/dragimag.h"
 
-#ifdef __GNUWIN32_OLD__
-    #include "wx/msw/gnuwin32/extra.h"
-#endif
+// include <commctrl.h> "properly"
+#include "wx/msw/wrapcctl.h"
 
-#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
-    #include <commctrl.h>
-#endif
+// macros to hide the cast ugliness
+// --------------------------------
 
-// Bug in headers, sometimes
-#ifndef TVIS_FOCUSED
-    #define TVIS_FOCUSED            0x0001
-#endif
+// ptr is the real item id, i.e. wxTreeItemId::m_pItem
+#define HITEM_PTR(ptr)     (HTREEITEM)(ptr)
 
-#ifndef TV_FIRST
-    #define TV_FIRST                0x1100
-#endif
-
-#ifndef TVS_CHECKBOXES
-    #define TVS_CHECKBOXES          0x0100
-#endif
-
-#ifndef TVS_FULLROWSELECT
-    #define TVS_FULLROWSELECT       0x1000
-#endif
-
-// old headers might miss these messages (comctl32.dll 4.71+ only)
-#ifndef TVM_SETBKCOLOR
-    #define TVM_SETBKCOLOR          (TV_FIRST + 29)
-    #define TVM_SETTEXTCOLOR        (TV_FIRST + 30)
-#endif
-
-// a macro to hide the ugliness of nested casts
-#define HITEM(item)     (HTREEITEM)(WXHTREEITEM)(item)
+// item here is a wxTreeItemId
+#define HITEM(item)     HITEM_PTR((item).m_pItem)
 
 // the native control doesn't support multiple selections under MSW and we
 // have 2 ways to emulate them: either using TVS_CHECKBOXES style and let
@@ -403,6 +370,8 @@ public:
 
 private:
     wxArrayTreeItemIds& m_selections;
+
+    DECLARE_NO_COPY_CLASS(TraverseSelections)
 };
 
 // internal class for counting tree items
@@ -430,6 +399,8 @@ public:
 
 private:
     size_t m_count;
+
+    DECLARE_NO_COPY_CLASS(TraverseCounter)
 };
 
 // ----------------------------------------------------------------------------
@@ -499,7 +470,69 @@ private:
 // wxWin macros
 // ----------------------------------------------------------------------------
 
+#if wxUSE_EXTENDED_RTTI
+WX_DEFINE_FLAGS( wxTreeCtrlStyle )
+
+wxBEGIN_FLAGS( wxTreeCtrlStyle )
+    // new style border flags, we put them first to
+    // use them for streaming out
+    wxFLAGS_MEMBER(wxBORDER_SIMPLE)
+    wxFLAGS_MEMBER(wxBORDER_SUNKEN)
+    wxFLAGS_MEMBER(wxBORDER_DOUBLE)
+    wxFLAGS_MEMBER(wxBORDER_RAISED)
+    wxFLAGS_MEMBER(wxBORDER_STATIC)
+    wxFLAGS_MEMBER(wxBORDER_NONE)
+    
+    // old style border flags
+    wxFLAGS_MEMBER(wxSIMPLE_BORDER)
+    wxFLAGS_MEMBER(wxSUNKEN_BORDER)
+    wxFLAGS_MEMBER(wxDOUBLE_BORDER)
+    wxFLAGS_MEMBER(wxRAISED_BORDER)
+    wxFLAGS_MEMBER(wxSTATIC_BORDER)
+    wxFLAGS_MEMBER(wxBORDER)
+
+    // standard window styles
+    wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+    wxFLAGS_MEMBER(wxCLIP_CHILDREN)
+    wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
+    wxFLAGS_MEMBER(wxWANTS_CHARS)
+    wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
+    wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
+    wxFLAGS_MEMBER(wxVSCROLL)
+    wxFLAGS_MEMBER(wxHSCROLL)
+
+    wxFLAGS_MEMBER(wxTR_EDIT_LABELS)
+    wxFLAGS_MEMBER(wxTR_NO_BUTTONS)
+    wxFLAGS_MEMBER(wxTR_HAS_BUTTONS)
+    wxFLAGS_MEMBER(wxTR_TWIST_BUTTONS)
+    wxFLAGS_MEMBER(wxTR_NO_LINES)
+    wxFLAGS_MEMBER(wxTR_FULL_ROW_HIGHLIGHT)
+    wxFLAGS_MEMBER(wxTR_LINES_AT_ROOT)
+    wxFLAGS_MEMBER(wxTR_HIDE_ROOT)
+    wxFLAGS_MEMBER(wxTR_ROW_LINES)
+    wxFLAGS_MEMBER(wxTR_HAS_VARIABLE_ROW_HEIGHT)
+    wxFLAGS_MEMBER(wxTR_SINGLE)
+    wxFLAGS_MEMBER(wxTR_MULTIPLE)
+    wxFLAGS_MEMBER(wxTR_EXTENDED)
+    wxFLAGS_MEMBER(wxTR_DEFAULT_STYLE)
+
+wxEND_FLAGS( wxTreeCtrlStyle )
+
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxTreeCtrl, wxControl,"wx/treectrl.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxTreeCtrl)
+    wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent ) 
+    wxEVENT_RANGE_PROPERTY( TreeEvent , wxEVT_COMMAND_TREE_BEGIN_DRAG , wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK , wxTreeEvent )
+    wxPROPERTY_FLAGS( WindowStyle , wxTreeCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+wxEND_PROPERTIES_TABLE()
+
+wxBEGIN_HANDLERS_TABLE(wxTreeCtrl)
+wxEND_HANDLERS_TABLE()
+
+wxCONSTRUCTOR_5( wxTreeCtrl , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle ) 
+#else
 IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl)
+#endif
 
 // ----------------------------------------------------------------------------
 // constants
@@ -551,7 +584,7 @@ bool wxTreeTraversal::DoTraverse(const wxTreeItemId& root, bool recursively)
 
 bool wxTreeTraversal::Traverse(const wxTreeItemId& root, bool recursively)
 {
-    long cookie;
+    wxTreeItemIdValue cookie;
     wxTreeItemId child = m_tree->GetFirstChild(root, cookie);
     while ( child.IsOk() )
     {
@@ -580,7 +613,6 @@ void wxTreeCtrl::Init()
     m_textCtrl = NULL;
     m_hasAnyAttr = false;
     m_dragImage = NULL;
-    m_htSelStart = 0;
     m_pVirtualRoot = NULL;
 
     // initialize the global array of events now as it can't be done statically
@@ -725,10 +757,7 @@ wxTreeCtrl::~wxTreeCtrl()
     // delete any attributes
     if ( m_hasAnyAttr )
     {
-        for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() )
-        {
-            delete (wxTreeItemAttr *)node->GetData();
-        }
+        WX_CLEAR_HASH_MAP(wxMapTreeAttr, m_attrs);
 
         // prevent TVN_DELETEITEM handler from deleting the attributes again!
         m_hasAnyAttr = false;
@@ -795,7 +824,7 @@ wxImageList *wxTreeCtrl::GetImageList() const
 
 wxImageList *wxTreeCtrl::GetStateImageList() const
 {
-    return m_imageListNormal;
+    return m_imageListState;
 }
 
 void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which)
@@ -1012,15 +1041,29 @@ void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image,
         return;
     }
 
-    int imageNormal, imageSel;
+    int imageNormal,
+        imageSel;
+
     switch ( which )
     {
         default:
             wxFAIL_MSG( wxT("unknown tree item image type") );
+            // fall through
 
         case wxTreeItemIcon_Normal:
-            imageNormal = image;
-            imageSel = GetItemSelectedImage(item);
+            {
+                const int imageNormalOld = GetItemImage(item);
+                const int imageSelOld =
+                    GetItemImage(item, wxTreeItemIcon_Selected);
+
+                // 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:
@@ -1036,7 +1079,7 @@ void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image,
                 // the wxTreeItemIndirectData GetItemXXXImage() will use it to
                 // get the images
                 imageNormal = GetItemImage(item);
-                imageSel = GetItemSelectedImage(item);
+                imageSel = GetItemImage(item, wxTreeItemIcon_Selected);
 
                 // if it doesn't have it yet, add it
                 wxTreeItemIndirectData *data = new
@@ -1190,51 +1233,40 @@ 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;
-    }
+    wxMapTreeAttr::const_iterator it = m_attrs.find(item.m_pItem);
 
-    return attr->GetTextColour();
+    return it == m_attrs.end() ? wxNullColour : it->second->GetTextColour();
 }
 
 wxColour wxTreeCtrl::GetItemBackgroundColour(const wxTreeItemId& item) const
 {
-    long id = (long)(WXHTREEITEM)item;
-    wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
-    if ( !attr )
-    {
-        return wxNullColour;
-    }
+    wxMapTreeAttr::const_iterator it = m_attrs.find(item.m_pItem);
 
-    return attr->GetBackgroundColour();
+    return it == m_attrs.end() ? wxNullColour : it->second->GetBackgroundColour();
 }
 
 wxFont wxTreeCtrl::GetItemFont(const wxTreeItemId& item) const
 {
-    long id = (long)(WXHTREEITEM)item;
-    wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id);
-    if ( !attr )
-    {
-        return wxNullFont;
-    }
+    wxMapTreeAttr::const_iterator it = m_attrs.find(item.m_pItem);
 
-    return attr->GetFont();
+    return it == m_attrs.end() ? wxNullFont : it->second->GetFont();
 }
 
 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 )
+    wxTreeItemAttr *attr;
+    wxMapTreeAttr::iterator it = m_attrs.find(item.m_pItem);
+    if ( it == m_attrs.end() )
     {
+        m_hasAnyAttr = true;
+
+        m_attrs[item.m_pItem] =
         attr = new wxTreeItemAttr;
-        m_attrs.Put(id, (wxObject *)attr);
+    }
+    else
+    {
+        attr = it->second;
     }
 
     attr->SetTextColour(col);
@@ -1245,14 +1277,18 @@ void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item,
 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 )
+    wxTreeItemAttr *attr;
+    wxMapTreeAttr::iterator it = m_attrs.find(item.m_pItem);
+    if ( it == m_attrs.end() )
     {
+        m_hasAnyAttr = true;
+
+        m_attrs[item.m_pItem] =
         attr = new wxTreeItemAttr;
-        m_attrs.Put(id, (wxObject *)attr);
+    }
+    else // already in the hash
+    {
+        attr = it->second;
     }
 
     attr->SetBackgroundColour(col);
@@ -1262,14 +1298,18 @@ void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
 
 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 )
+    wxTreeItemAttr *attr;
+    wxMapTreeAttr::iterator it = m_attrs.find(item.m_pItem);
+    if ( it == m_attrs.end() )
     {
+        m_hasAnyAttr = true;
+
+        m_attrs[item.m_pItem] =
         attr = new wxTreeItemAttr;
-        m_attrs.Put(id, (wxObject *)attr);
+    }
+    else // already in the hash
+    {
+        attr = it->second;
     }
 
     attr->SetFont(font);
@@ -1294,10 +1334,20 @@ bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const
 
     // this ugliness comes directly from MSDN - it *is* the correct way to pass
     // the HTREEITEM with TVM_GETITEMRECT
-    *(WXHTREEITEM *)&rect = (WXHTREEITEM)item;
+    *(HTREEITEM *)&rect = HITEM(item);
+
+    // true means to get rect for just the text, not the whole line
+    if ( !::SendMessage(GetHwnd(), TVM_GETITEMRECT, true, (LPARAM)&rect) )
+    {
+        // if TVM_GETITEMRECT returned false, then the item is definitely not
+        // visible (because its parent is not expanded)
+        return false;
+    }
 
-    // false means get item rect for the whole item, not only text
-    return SendMessage(GetHwnd(), TVM_GETITEMRECT, false, (LPARAM)&rect) != 0;
+    // however if it returned true, the item might still be outside the
+    // currently visible part of the tree, test for it (notice that partly
+    // visible means visible here)
+    return rect.bottom > 0 && rect.top < GetClientSize().y;
 }
 
 bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
@@ -1345,15 +1395,15 @@ wxTreeItemId wxTreeCtrl::GetRootItem() const
     if ( GET_VIRTUAL_ROOT() )
         return TVI_ROOT;
 
-    return wxTreeItemId((WXHTREEITEM) TreeView_GetRoot(GetHwnd()));
+    return wxTreeItemId(TreeView_GetRoot(GetHwnd()));
 }
 
 wxTreeItemId wxTreeCtrl::GetSelection() const
 {
-    wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), (long)(WXHTREEITEM)0,
+    wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), wxTreeItemId(),
                  wxT("this only works with single selection controls") );
 
-    return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(GetHwnd()));
+    return wxTreeItemId(TreeView_GetSelection(GetHwnd()));
 }
 
 wxTreeItemId wxTreeCtrl::GetItemParent(const wxTreeItemId& item) const
@@ -1375,32 +1425,57 @@ wxTreeItemId wxTreeCtrl::GetItemParent(const wxTreeItemId& item) const
         }
     }
 
-    return wxTreeItemId((WXHTREEITEM)hItem);
+    return wxTreeItemId(hItem);
 }
 
 wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item,
-                                       long& _cookie) const
+                                       wxTreeItemIdValue& cookie) const
 {
     // remember the last child returned in 'cookie'
-    _cookie = (long)TreeView_GetChild(GetHwnd(), HITEM(item));
+    cookie = TreeView_GetChild(GetHwnd(), HITEM(item));
+
+    return wxTreeItemId(cookie);
+}
+
+wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item),
+                                      wxTreeItemIdValue& cookie) const
+{
+    wxTreeItemId item(TreeView_GetNextSibling(GetHwnd(),
+                                              HITEM(wxTreeItemId(cookie))));
+    cookie = item.m_pItem;
+
+    return item;
+}
+
+#if WXWIN_COMPATIBILITY_2_4
+
+wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item,
+                                       long& cookie) const
+{
+    cookie = (long)TreeView_GetChild(GetHwnd(), HITEM(item));
 
-    return wxTreeItemId((WXHTREEITEM)_cookie);
+    return wxTreeItemId((void *)cookie);
 }
 
 wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item),
-                                      long& _cookie) const
+                                      long& cookie) const
 {
-    wxTreeItemId l = wxTreeItemId((WXHTREEITEM)TreeView_GetNextSibling(GetHwnd(),
-                                   HITEM(_cookie)));
-    _cookie = (long)l;
+    wxTreeItemId item(TreeView_GetNextSibling
+                      (
+                        GetHwnd(),
+                        HITEM(wxTreeItemId((void *)cookie)
+                      )));
+    cookie = (long)item.m_pItem;
 
-    return l;
+    return item;
 }
 
+#endif // WXWIN_COMPATIBILITY_2_4
+
 wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const
 {
     // can this be done more efficiently?
-    long cookie;
+    wxTreeItemIdValue cookie;
 
     wxTreeItemId childLast,
     child = GetFirstChild(item, cookie);
@@ -1415,31 +1490,31 @@ wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const
 
 wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const
 {
-    return wxTreeItemId((WXHTREEITEM) TreeView_GetNextSibling(GetHwnd(), HITEM(item)));
+    return wxTreeItemId(TreeView_GetNextSibling(GetHwnd(), HITEM(item)));
 }
 
 wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const
 {
-    return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevSibling(GetHwnd(), HITEM(item)));
+    return wxTreeItemId(TreeView_GetPrevSibling(GetHwnd(), HITEM(item)));
 }
 
 wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const
 {
-    return wxTreeItemId((WXHTREEITEM) TreeView_GetFirstVisible(GetHwnd()));
+    return wxTreeItemId(TreeView_GetFirstVisible(GetHwnd()));
 }
 
 wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
 {
     wxASSERT_MSG( IsVisible(item), wxT("The item you call GetNextVisible() for must be visible itself!"));
 
-    return wxTreeItemId((WXHTREEITEM) TreeView_GetNextVisible(GetHwnd(), HITEM(item)));
+    return wxTreeItemId(TreeView_GetNextVisible(GetHwnd(), HITEM(item)));
 }
 
 wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
 {
     wxASSERT_MSG( IsVisible(item), wxT("The item you call GetPrevVisible() for must be visible itself!"));
 
-    return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevVisible(GetHwnd(), HITEM(item)));
+    return wxTreeItemId(TreeView_GetPrevVisible(GetHwnd(), HITEM(item)));
 }
 
 // ----------------------------------------------------------------------------
@@ -1548,22 +1623,26 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent,
     if ( data != NULL )
     {
         // associate the application tree item with Win32 tree item handle
-        data->SetId((WXHTREEITEM)id);
+        data->SetId(id);
     }
 
-    return wxTreeItemId((WXHTREEITEM)id);
+    return wxTreeItemId(id);
 }
 
 // for compatibility only
+#if WXWIN_COMPATIBILITY_2_4
+
 wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
                                     const wxString& text,
                                     int image, int selImage,
                                     long insertAfter)
 {
-    return DoInsertItem(parent, (WXHTREEITEM)insertAfter, text,
+    return DoInsertItem(parent, wxTreeItemId((void *)insertAfter), text,
                         image, selImage, NULL);
 }
 
+#endif // WXWIN_COMPATIBILITY_2_4
+
 wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text,
                                  int image, int selectedImage,
                                  wxTreeItemData *data)
@@ -1577,7 +1656,7 @@ wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text,
         return TVI_ROOT;
     }
 
-    return DoInsertItem(wxTreeItemId((long)(WXHTREEITEM) 0), (long)(WXHTREEITEM) 0,
+    return DoInsertItem(wxTreeItemId(), wxTreeItemId(),
                         text, image, selectedImage, data);
 }
 
@@ -1586,7 +1665,7 @@ wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent,
                                      int image, int selectedImage,
                                      wxTreeItemData *data)
 {
-    return DoInsertItem(parent, (WXHTREEITEM) TVI_FIRST,
+    return DoInsertItem(parent, TVI_FIRST,
                         text, image, selectedImage, data);
 }
 
@@ -1606,7 +1685,7 @@ wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent,
                                     wxTreeItemData *data)
 {
     // find the item from index
-    long cookie;
+    wxTreeItemIdValue cookie;
     wxTreeItemId idPrev, idCur = GetFirstChild(parent, cookie);
     while ( index != 0 && idCur.IsOk() )
     {
@@ -1628,7 +1707,7 @@ wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parent,
                                     int image, int selectedImage,
                                     wxTreeItemData *data)
 {
-    return DoInsertItem(parent, (WXHTREEITEM) TVI_LAST,
+    return DoInsertItem(parent, TVI_LAST,
                         text, image, selectedImage, data);
 }
 
@@ -1643,13 +1722,13 @@ void wxTreeCtrl::Delete(const wxTreeItemId& item)
 // delete all children (but don't delete the item itself)
 void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item)
 {
-    long cookie;
+    wxTreeItemIdValue cookie;
 
-    wxArrayLong children;
+    wxArrayTreeItemIds children;
     wxTreeItemId child = GetFirstChild(item, cookie);
     while ( child.IsOk() )
     {
-        children.Add((long)(WXHTREEITEM)child);
+        children.Add(child);
 
         child = GetNextChild(item, cookie);
     }
@@ -1657,7 +1736,7 @@ void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item)
     size_t nCount = children.Count();
     for ( size_t n = 0; n < nCount; n++ )
     {
-        if ( !TreeView_DeleteItem(GetHwnd(), (HTREEITEM)children[n]) )
+        if ( !TreeView_DeleteItem(GetHwnd(), HITEM_PTR(children[n])) )
         {
             wxLogLastError(wxT("TreeView_DeleteItem"));
         }
@@ -1742,10 +1821,12 @@ void wxTreeCtrl::Toggle(const wxTreeItemId& item)
     DoExpand(item, TVE_TOGGLE);
 }
 
+#if WXWIN_COMPATIBILITY_2_4
 void wxTreeCtrl::ExpandItem(const wxTreeItemId& item, int action)
 {
     DoExpand(item, action);
 }
+#endif
 
 void wxTreeCtrl::Unselect()
 {
@@ -1753,7 +1834,7 @@ void wxTreeCtrl::Unselect()
                   wxT("doesn't make sense, may be you want UnselectAll()?") );
 
     // just remove the selection
-    SelectItem(wxTreeItemId((long) (WXHTREEITEM) 0));
+    SelectItem(wxTreeItemId());
 }
 
 void wxTreeCtrl::UnselectAll()
@@ -1765,9 +1846,9 @@ void wxTreeCtrl::UnselectAll()
         for ( size_t n = 0; n < count; n++ )
         {
 #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
-            SetItemCheck(selections[n], false);
+            SetItemCheck(HITEM_PTR(selections[n]), false);
 #else // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
-            ::UnselectItem(GetHwnd(), HITEM(selections[n]));
+            ::UnselectItem(GetHwnd(), HITEM_PTR(selections[n]));
 #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE
         }
     }
@@ -1913,7 +1994,7 @@ wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& flags)
 
     #undef TRANSLATE_FLAG
 
-    return wxTreeItemId((WXHTREEITEM) hitTestInfo.hItem);
+    return wxTreeItemId(hitTestInfo.hItem);
 }
 
 bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item,
@@ -1921,6 +2002,13 @@ bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item,
                                  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) )
     {
@@ -2074,7 +2162,7 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
                         ::SetFocus(GetHwnd(), htItem);
 
                         // reset on any click without Shift
-                        m_htSelStart = 0;
+                        m_htSelStart.Unset();
 
                         processed = true;
                     }
@@ -2086,8 +2174,7 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
                         if ( !m_htSelStart )
                         {
                             // take the focused item
-                            m_htSelStart = (WXHTREEITEM)
-                                TreeView_GetSelection(GetHwnd());
+                            m_htSelStart = TreeView_GetSelection(GetHwnd());
                         }
 
                         SelectRange(GetHwnd(), HITEM(m_htSelStart), htItem,
@@ -2101,24 +2188,38 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
                     {
                         // 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 )
+                             count > 1 ||
+                             HITEM_PTR(selections[0]) != htItem )
                         {
-                            // clear the previously selected items
-                            UnselectAll();
-
-                            // 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);
+                            // 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
+                                // 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;
+                        m_htSelStart.Unset();
                     }
                 }
                 break;
@@ -2140,6 +2241,24 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
                 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 )
                 {
@@ -2150,7 +2269,7 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
                     // generate the drag end event
                     wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, m_windowId);
 
-                    event.m_item = (WXHTREEITEM)htItem;
+                    event.m_item = htItem;
                     event.m_pointDrag = wxPoint(x, y);
                     event.SetEventObject(this);
 
@@ -2176,7 +2295,7 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
         {
             // TreeView_GetItemRect() will return false if item is not visible,
             // which may happen perfectly well
-            if ( TreeView_GetItemRect(GetHwnd(), HITEM(selections[n]),
+            if ( TreeView_GetItemRect(GetHwnd(), HITEM_PTR(selections[n]),
                                       &rect, true) )
             {
                 ::InvalidateRect(GetHwnd(), &rect, false);
@@ -2194,7 +2313,7 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
         HTREEITEM htSel = (HTREEITEM)TreeView_GetSelection(GetHwnd());
         if ( !m_htSelStart )
         {
-            m_htSelStart = (WXHTREEITEM)htSel;
+            m_htSelStart = htSel;
         }
 
         if ( wParam == VK_SPACE )
@@ -2289,7 +2408,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
                 NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam;
 
-                event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
+                event.m_item = tv->itemNew.hItem;
                 event.m_pointDrag = wxPoint(tv->ptDrag.x, tv->ptDrag.y);
 
                 // don't allow dragging by default: the user code must
@@ -2304,7 +2423,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 eventType = wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT;
                 TV_DISPINFO *info = (TV_DISPINFO *)lParam;
 
-                event.m_item = (WXHTREEITEM) info->item.hItem;
+                event.m_item = info->item.hItem;
                 event.m_label = info->item.pszText;
                 event.m_editCancelled = false;
             }
@@ -2315,12 +2434,16 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 eventType = wxEVT_COMMAND_TREE_DELETE_ITEM;
                 NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam;
 
-                event.m_item = (WXHTREEITEM)tv->itemOld.hItem;
+                event.m_item = tv->itemOld.hItem;
 
                 if ( m_hasAnyAttr )
                 {
-                    delete (wxTreeItemAttr *)m_attrs.
-                                Delete((long)tv->itemOld.hItem);
+                    wxMapTreeAttr::iterator it = m_attrs.find(tv->itemOld.hItem);
+                    if ( it != m_attrs.end() )
+                    {
+                        delete it->second;
+                        m_attrs.erase(it);
+                    }
                 }
             }
             break;
@@ -2330,7 +2453,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 eventType = wxEVT_COMMAND_TREE_END_LABEL_EDIT;
                 TV_DISPINFO *info = (TV_DISPINFO *)lParam;
 
-                event.m_item = (WXHTREEITEM)info->item.hItem;
+                event.m_item = info->item.hItem;
                 event.m_label = info->item.pszText;
                 if (info->item.pszText == NULL)
                 {
@@ -2355,7 +2478,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
                 TV_DISPINFO *info = (TV_DISPINFO *)lParam;
 
-                event.m_item = (WXHTREEITEM) info->item.hItem;
+                event.m_item = info->item.hItem;
                 break;
             }
 
@@ -2385,7 +2508,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
                 eventType = gs_expandEvents[what][how];
 
-                event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
+                event.m_item = tv->itemNew.hItem;
             }
             break;
 
@@ -2398,9 +2521,6 @@ 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 =
-//                    (::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;
@@ -2455,19 +2575,21 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                     hdr->code == TVN_SELCHANGEDW)
                 {
                     NM_TREEVIEWW* tv = (NM_TREEVIEWW *)lParam;
-                    event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
-                    event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem;
+                    event.m_item = tv->itemNew.hItem;
+                    event.m_itemOld = tv->itemOld.hItem;
                 }
                 else
                 {
                     NM_TREEVIEWA* tv = (NM_TREEVIEWA *)lParam;
-                    event.m_item = (WXHTREEITEM) tv->itemNew.hItem;
-                    event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem;
+                    event.m_item = tv->itemNew.hItem;
+                    event.m_itemOld = tv->itemOld.hItem;
                 }
             }
             break;
 
-#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 && !wxUSE_COMCTL32_SAFELY && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
+            // instead of explicitly checking for _WIN32_IE, check if the
+            // required symbols are available in the headers
+#if defined(CDDS_PREPAINT) && !wxUSE_COMCTL32_SAFELY
         case NM_CUSTOMDRAW:
             {
                 LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam;
@@ -2483,16 +2605,18 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
                     case CDDS_ITEMPREPAINT:
                         {
-                            wxTreeItemAttr *attr =
-                                (wxTreeItemAttr *)m_attrs.Get(nmcd.dwItemSpec);
+                            wxMapTreeAttr::iterator
+                                it = m_attrs.find((void *)nmcd.dwItemSpec);
 
-                            if ( !attr )
+                            if ( it == m_attrs.end() )
                             {
                                 // nothing to do for this item
                                 *result = CDRF_DODEFAULT;
                                 break;
                             }
 
+                            wxTreeItemAttr * const attr = it->second;
+
                             HFONT hFont;
                             if ( attr->HasFont() )
                             {
@@ -2560,7 +2684,24 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
             // we always process it
             return true;
-#endif // _WIN32_IE >= 0x300
+#endif // have owner drawn support in headers
+
+        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:
@@ -2572,7 +2713,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 {
                     if ( tvhti.flags & TVHT_ONITEM )
                     {
-                        event.m_item = (WXHTREEITEM) tvhti.hItem;
+                        event.m_item = tvhti.hItem;
                         eventType = (int)hdr->code == NM_DBLCLK
                                     ? wxEVT_COMMAND_TREE_ITEM_ACTIVATED
                                     : wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK;
@@ -2701,7 +2842,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             // comctl32.dll or our code?
             {
                 NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam;
-                wxTreeItemId id = (WXHTREEITEM)tv->itemNew.hItem;
+                wxTreeItemId id(tv->itemNew.hItem);
 
                 int image = GetItemImage(id, wxTreeItemIcon_Expanded);
                 if ( image != -1 )
@@ -2748,6 +2889,48 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
     return processed;
 }
 
-#endif // __WIN95__
+// ----------------------------------------------------------------------------
+// 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 // wxUSE_TREECTRL
+