corrected control inheritance

[wxWidgets.git] / include / wx / treebase.h

diff --git a/include/wx/treebase.h b/include/wx/treebase.h
index 74dfe8715758c687b45b5b3ca0ea15c37f924eb6..8d62734468d329b03a3e80f708f87f88ca6c221e 100644 (file)
--- a/include/wx/treebase.h
+++ b/include/wx/treebase.h
@@ -20,16 +20,16 @@
 // headers
 // ----------------------------------------------------------------------------
 
-// Not defined in setup.h so removing for now
-// #if wxUSE_TREECTRL
+#if wxUSE_TREECTRL
 
 #include "wx/control.h"
 #include "wx/event.h"
 
 // ----------------------------------------------------------------------------
 // wxTreeItemId identifies an element of the tree. In this implementation, it's
-// just a trivial wrapper around Win32 HTREEITEM. It's opaque for the
-// application.
+// just a trivial wrapper around Win32 HTREEITEM or a pointer to some private
+// data structure in the generic version. It's opaque for the application and
+// the only method which can be used by user code is IsOk().
 // ----------------------------------------------------------------------------
 
 // Using this typedef removes an ambiguity when calling Remove()
@@ -37,14 +37,17 @@ typedef unsigned long wxTreeItemIdValue;
 
 class WXDLLEXPORT wxTreeItemId
 {
-friend class WXDLLEXPORT wxTreeCtrl;
-friend class WXDLLEXPORT wxGenericTreeCtrl;
-friend class WXDLLEXPORT wxTreeEvent;
 public:
     // ctors
         // 0 is invalid value for HTREEITEM
     wxTreeItemId() { m_pItem = 0; }
 
+        // this one is used in the generic version
+    wxTreeItemId(void *pItem) { m_pItem = (long) pItem; }
+
+        // and this one under MSW
+    wxTreeItemId(long lItem) { m_pItem = lItem; }
+
         // default copy ctor/assignment operator are ok for us
 
     // accessors
@@ -52,14 +55,8 @@ public:
     bool IsOk() const { return m_pItem != 0; }
 
     // deprecated: only for compatibility
-    wxTreeItemId(long itemId) { m_pItem = itemId; }
-    //operator long() const { return m_pItem; }
     operator wxTreeItemIdValue() const { return m_pItem; }
 
-    void operator=(long item) { m_pItem = item; }
-
-    wxTreeItemId(void *pItem) { m_pItem = (long) pItem; }
-
     wxTreeItemIdValue m_pItem;
 };
 
@@ -146,7 +143,7 @@ static const int wxTREE_HITTEST_ONITEM  = wxTREE_HITTEST_ONITEMICON |
                                           wxTREE_HITTEST_ONITEMLABEL;
 
 // tree ctrl default name
-WXDLLEXPORT_DATA(extern const char*) wxTreeCtrlNameStr;
+WXDLLEXPORT_DATA(extern const wxChar*) wxTreeCtrlNameStr;
 
 // ----------------------------------------------------------------------------
 // wxTreeItemAttr: a structure containing the visual attributes of an item
@@ -304,9 +301,8 @@ END_DECLARE_EVENT_TYPES()
 #define EVT_TREE_ITEM_RIGHT_CLICK(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL ),
 #define EVT_TREE_ITEM_MIDDLE_CLICK(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL ),
 
-// #endif // wxUSE_TREECTRL
+#endif // wxUSE_TREECTRL
 
 #endif
     // _WX_TREEBASE_H_
 
-