add an assert indicating that old code overriding OnExecute() must be updated with 2.9

[wxWidgets.git] / include / wx / msw / treectrl.h

diff --git a/include/wx/msw/treectrl.h b/include/wx/msw/treectrl.h
index 27ab5a75629cf6e6edad0afd6b6799552817b6ee..508bb186022e02412f340d2a94a29abd795d01e9 100644 (file)
--- a/include/wx/msw/treectrl.h
+++ b/include/wx/msw/treectrl.h
@@ -1,529 +1,290 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        treectrl.h
+// Name:        wx/msw/treectrl.h

 // Purpose:     wxTreeCtrl class
 // Author:      Julian Smart
 // Modified by: Vadim Zeitlin to be less MSW-specific on 10/10/98
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Purpose:     wxTreeCtrl class
 // Author:      Julian Smart
 // Modified by: Vadim Zeitlin to be less MSW-specific on 10/10/98
 // Created:     01/02/97
 // RCS-ID:      $Id$

-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:     wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifndef _WX_TREECTRL_H_
-#define _WX_TREECTRL_H_
+#ifndef _WX_MSW_TREECTRL_H_
+#define _WX_MSW_TREECTRL_H_

 
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------

-#ifdef __GNUG__
-    #pragma interface "treectrl.h"
-#endif
-
-#include "wx/control.h"
-#include "wx/event.h"
-
-// the type for "untyped" data
-typedef long wxDataType;

 
 

-// fwd decl
-class  WXDLLEXPORT wxImageList;
-struct WXDLLEXPORT wxTreeViewItem;
+#if wxUSE_TREECTRL

 
 

-// a callback function used for sorting tree items, it should return -1 if the
-// first item precedes the second, +1 if the second precedes the first or 0 if
-// they're equivalent
-class wxTreeItemData;
-typedef int (*wxTreeItemCmpFunc)(wxTreeItemData *item1, wxTreeItemData *item2);
+#include "wx/textctrl.h"
+#include "wx/dynarray.h"
+#include "wx/treebase.h"
+#include "wx/hashmap.h"

 
 

-// ----------------------------------------------------------------------------
-// constants
-// ----------------------------------------------------------------------------
+#ifdef __GNUWIN32__
+    // Cygwin windows.h defines these identifiers
+    #undef GetFirstChild
+    #undef GetNextSibling
+#endif // Cygwin

 
 

-// values for the `flags' parameter of wxTreeCtrl::HitTest() which determine
-// where exactly the specified point is situated:
-    // above the client area.
-static const int wxTREE_HITTEST_ABOVE            = 0x0001;
-    // below the client area.
-static const int wxTREE_HITTEST_BELOW            = 0x0002;
-    // in the client area but below the last item.
-static const int wxTREE_HITTEST_NOWHERE          = 0x0004;
-    // on the button associated with an item.
-static const int wxTREE_HITTEST_ONITEMBUTTON     = 0x0010;
-    // on the bitmap associated with an item.
-static const int wxTREE_HITTEST_ONITEMICON       = 0x0020;
-    // in the indentation associated with an item.
-static const int wxTREE_HITTEST_ONITEMINDENT     = 0x0040;
-    // on the label (string) associated with an item.
-static const int wxTREE_HITTEST_ONITEMLABEL      = 0x0080;
-    // in the area to the right of an item.
-static const int wxTREE_HITTEST_ONITEMRIGHT      = 0x0100;
-    // on the state icon for a tree view item that is in a user-defined state.
-static const int wxTREE_HITTEST_ONITEMSTATEICON  = 0x0200;
-    // to the right of the client area.
-static const int wxTREE_HITTEST_TOLEFT           = 0x0400;
-    // to the left of the client area.
-static const int wxTREE_HITTEST_TORIGHT          = 0x0800;
-    // anywhere on the item
-static const int wxTREE_HITTEST_ONITEM  = wxTREE_HITTEST_ONITEMICON |
-                                          wxTREE_HITTEST_ONITEMLABEL |
-                                          wxTREE_HITTEST_ONITEMSTATEICON;
-
-// NB: all the following flags are for compatbility only and will be removed in the
-//     next versions
-
-// flags for deprecated `Expand(int action)'
-enum
-{
-    wxTREE_EXPAND_EXPAND,
-    wxTREE_EXPAND_COLLAPSE,
-    wxTREE_EXPAND_COLLAPSE_RESET,
-    wxTREE_EXPAND_TOGGLE
-};
-
-// flags for deprecated InsertItem() variant
-#define wxTREE_INSERT_FIRST 0xFFFF0001
-#define wxTREE_INSERT_LAST  0xFFFF0002
-
-// ----------------------------------------------------------------------------
-// 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.
-// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxTreeItemId
-{
-public:
-    // ctors
-        // 0 is invalid value for HTREEITEM
-    wxTreeItemId() { m_itemId = 0; }
-
-        // default copy ctor/assignment operator are ok for us
-
-    // accessors
-        // is this a valid tree item?
-    bool IsOk() const { return m_itemId != 0; }
-
-    // conversion to/from either real (system-dependent) tree item id or
-    // to "long" which used to be the type for tree item ids in previous
-    // versions of wxWindows
-
-    // for wxTreeCtrl usage only
-    wxTreeItemId(WXHTREEITEM itemId) { m_itemId = (long)itemId; }
-    operator WXHTREEITEM() const { return (WXHTREEITEM)m_itemId; }
-
-    void operator=(WXHTREEITEM item) { m_itemId = (long) item; }
-
-protected:
-    long m_itemId;
-};
-
-// ----------------------------------------------------------------------------
-// wxTreeItemData is some (arbitrary) user class associated with some item. The
-// main advantage of having this class (compared to old untyped interface) is
-// that wxTreeItemData's are destroyed automatically by the tree and, as this
-// class has virtual dtor, it means that the memory will be automatically
-// freed. OTOH, we don't just use wxObject instead of wxTreeItemData because
-// the size of this class is critical: in any real application, each tree leaf
-// will have wxTreeItemData associated with it and number of leaves may be
-// quite big.
-//
-// Because the objects of this class are deleted by the tree, they should
-// always be allocated on the heap!
-// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxTreeItemData : private wxTreeItemId
-{
-public:
-    // default ctor/copy ctor/assignment operator are ok
-
-    // dtor is virtual and all the items are deleted by the tree control when
-    // it's deleted, so you normally don't have to care about freeing memory
-    // allocated in your wxTreeItemData-derived class
-    virtual ~wxTreeItemData() { }
+// fwd decl
+class  WXDLLIMPEXP_FWD_CORE wxImageList;
+class  WXDLLIMPEXP_FWD_CORE wxDragImage;
+struct WXDLLIMPEXP_FWD_CORE wxTreeViewItem;
+
+#if WXWIN_COMPATIBILITY_2_6
+    // NB: all the following flags are for compatbility only and will be removed in the
+    //     next versions
+    // flags for deprecated InsertItem() variant (their values are the same as of
+    // TVI_FIRST and TVI_LAST)
+    #define wxTREE_INSERT_FIRST 0xFFFF0001
+    #define wxTREE_INSERT_LAST  0xFFFF0002
+#endif

 
 

-    // accessors: set/get the item associated with this node
-    void SetId(const wxTreeItemId& id) { m_itemId = id; }
-    const wxTreeItemId& GetId() const { return (wxTreeItemId&) m_itemId; }
-};
+// hash storing attributes for our items
+WX_DECLARE_EXPORTED_VOIDPTR_HASH_MAP(wxTreeItemAttr *, wxMapTreeAttr);

 
 // ----------------------------------------------------------------------------
 // wxTreeCtrl
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // wxTreeCtrl
 // ----------------------------------------------------------------------------

-class WXDLLEXPORT wxTreeCtrl : public wxControl
+
+class WXDLLIMPEXP_CORE wxTreeCtrl : public wxTreeCtrlBase

 {
 public:
     // creation
     // --------
     wxTreeCtrl() { Init(); }
 
 {
 public:
     // creation
     // --------
     wxTreeCtrl() { Init(); }
 

-    wxTreeCtrl(wxWindow *parent, wxWindowID id = -1,
+    wxTreeCtrl(wxWindow *parent, wxWindowID id = wxID_ANY,

                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                long style = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT,
                const wxValidator& validator = wxDefaultValidator,
                const wxPoint& pos = wxDefaultPosition,
                const wxSize& size = wxDefaultSize,
                long style = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT,
                const wxValidator& validator = wxDefaultValidator,

-               const wxString& name = "wxTreeCtrl")
+               const wxString& name = wxTreeCtrlNameStr)

     {
         Create(parent, id, pos, size, style, validator, name);
     }
 
     virtual ~wxTreeCtrl();
 
     {
         Create(parent, id, pos, size, style, validator, name);
     }
 
     virtual ~wxTreeCtrl();
 

-    bool Create(wxWindow *parent, wxWindowID id = -1,
+    bool Create(wxWindow *parent, wxWindowID id = wxID_ANY,

                 const wxPoint& pos = wxDefaultPosition,
                 const wxSize& size = wxDefaultSize,
                 long style = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT,
                 const wxValidator& validator = wxDefaultValidator,
                 const wxPoint& pos = wxDefaultPosition,
                 const wxSize& size = wxDefaultSize,
                 long style = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT,
                 const wxValidator& validator = wxDefaultValidator,

-                const wxString& name = "wxTreeCtrl");
-
-    // accessors
-    // ---------
-
-        // get the total number of items in the control
-    size_t GetCount() const;
-
-        // indent is the number of pixels the children are indented relative to
-        // the parents position. SetIndent() also redraws the control
-        // immediately.
-    unsigned int GetIndent() const;
-    void SetIndent(unsigned int indent);
-
-        // image list: these functions allow to associate an image list with
-        // the control and retrieve it. Note that the control does _not_ delete
-        // the associated image list when it's deleted in order to allow image
-        // lists to be shared between different controls.
-        //
-        // The normal image list is for the icons which correspond to the
-        // normal tree item state (whether it is selected or not).
-        // Additionally, the application might choose to show a state icon
-        // which corresponds to an app-defined item state (for example,
-        // checked/unchecked) which are taken from the state image list.
-    wxImageList *GetImageList() const;
-    wxImageList *GetStateImageList() const;
-
-    void SetImageList(wxImageList *imageList);
-    void SetStateImageList(wxImageList *imageList);
-
-    // Functions to work with tree ctrl items. Unfortunately, they can _not_ be
-    // member functions of wxTreeItem because they must know the tree the item
-    // belongs to for Windows implementation and storing the pointer to
-    // wxTreeCtrl in each wxTreeItem is just too much waste.
-
-    // accessors
-    // ---------
-
-        // retrieve items label
-    wxString GetItemText(const wxTreeItemId& item) const;
-        // get the normal item image
-    int GetItemImage(const wxTreeItemId& item) const;
-        // get the selected item image
-    int GetItemSelectedImage(const wxTreeItemId& item) const;
-        // get the data associated with the item
-    wxTreeItemData *GetItemData(const wxTreeItemId& item) const;
-
-    // modifiers
-    // ---------
-
-        // set items label
-    void SetItemText(const wxTreeItemId& item, const wxString& text);
-        // set the normal item image
-    void SetItemImage(const wxTreeItemId& item, int image);
-        // set the selected item image
-    void SetItemSelectedImage(const wxTreeItemId& item, int image);
-        // associate some data with the item
-    void SetItemData(const wxTreeItemId& item, wxTreeItemData *data);
-
-        // force appearance of [+] button near the item. This is useful to
-        // allow the user to expand the items which don't have any children now
-        // - but instead add them only when needed, thus minimizing memory
-        // usage and loading time.
-    void SetItemHasChildren(const wxTreeItemId& item, bool has = TRUE);
-
-        // the item will be shown in bold
-    void SetItemBold(const wxTreeItemId& item, bool bold = TRUE);
+                const wxString& name = wxTreeCtrlNameStr);
+
+    // implement base class pure virtuals
+    // ----------------------------------
+
+    virtual unsigned int GetCount() const;
+
+    virtual unsigned int GetIndent() const;
+    virtual void SetIndent(unsigned int indent);
+
+    virtual void SetImageList(wxImageList *imageList);
+    virtual void SetStateImageList(wxImageList *imageList);
+
+    virtual wxString GetItemText(const wxTreeItemId& item) const;
+    virtual int GetItemImage(const wxTreeItemId& item,
+                        wxTreeItemIcon which = wxTreeItemIcon_Normal) const;
+    virtual wxTreeItemData *GetItemData(const wxTreeItemId& item) const;
+    virtual wxColour GetItemTextColour(const wxTreeItemId& item) const;
+    virtual wxColour GetItemBackgroundColour(const wxTreeItemId& item) const;
+    virtual wxFont GetItemFont(const wxTreeItemId& item) const;
+
+    virtual void SetItemText(const wxTreeItemId& item, const wxString& text);
+    virtual void SetItemImage(const wxTreeItemId& item, int image,
+                      wxTreeItemIcon which = wxTreeItemIcon_Normal);
+    virtual void SetItemData(const wxTreeItemId& item, wxTreeItemData *data);
+    virtual void SetItemHasChildren(const wxTreeItemId& item, bool has = true);
+    virtual void SetItemBold(const wxTreeItemId& item, bool bold = true);
+    virtual void SetItemDropHighlight(const wxTreeItemId& item,
+                                      bool highlight = true);
+    virtual void SetItemTextColour(const wxTreeItemId& item,
+                                   const wxColour& col);
+    virtual void SetItemBackgroundColour(const wxTreeItemId& item,
+                                         const wxColour& col);
+    virtual void SetItemFont(const wxTreeItemId& item, const wxFont& font);

 
     // item status inquiries
     // ---------------------
 
 
     // item status inquiries
     // ---------------------
 

-        // is the item visible (it might be outside the view or not expanded)?
-    bool IsVisible(const wxTreeItemId& item) const;
-        // does the item has any children?
-    bool ItemHasChildren(const wxTreeItemId& item) const;
-        // is the item expanded (only makes sense if HasChildren())?
-    bool IsExpanded(const wxTreeItemId& item) const;
-        // is this item currently selected (the same as has focus)?
-    bool IsSelected(const wxTreeItemId& item) const;
-        // is item text in bold font?
-    bool IsBold(const wxTreeItemId& item) const;
-
-    // number of children
-    // ------------------
+    virtual bool IsVisible(const wxTreeItemId& item) const;
+    virtual bool ItemHasChildren(const wxTreeItemId& item) const;
+    virtual bool IsExpanded(const wxTreeItemId& item) const;
+    virtual bool IsSelected(const wxTreeItemId& item) const;
+    virtual bool IsBold(const wxTreeItemId& item) const;

 
 

-        // if 'recursively' is FALSE, only immediate children count, otherwise
-        // the returned number is the number of all items in this branch
-    size_t GetChildrenCount(const wxTreeItemId& item, bool recursively = TRUE);
+    virtual size_t GetChildrenCount(const wxTreeItemId& item,
+                                    bool recursively = true) const;

 
     // navigation
     // ----------
 
 
     // navigation
     // ----------
 

-    // wxTreeItemId.IsOk() will return FALSE if there is no such item
-
-        // get the root tree item
-    wxTreeItemId GetRootItem() const;
-
-        // get the item currently selected (may return NULL if no selection)
-    wxTreeItemId GetSelection() const;
-
-        // get the parent of this item (may return NULL if root)
-    wxTreeItemId GetParent(const wxTreeItemId& item) const;
+    virtual wxTreeItemId GetRootItem() const;
+    virtual wxTreeItemId GetSelection() const;
+    virtual size_t GetSelections(wxArrayTreeItemIds& selections) const;

 
 

-        // for this enumeration function you must pass in a "cookie" parameter
-        // which is opaque for the application but is necessary for the library
-        // to make these functions reentrant (i.e. allow more than one
-        // enumeration on one and the same object simultaneously). Of course,
-        // the "cookie" passed to GetFirstChild() and GetNextChild() should be
-        // the same!
+    virtual wxTreeItemId GetItemParent(const wxTreeItemId& item) const;
+    virtual wxTreeItemId GetFirstChild(const wxTreeItemId& item,
+                                       wxTreeItemIdValue& cookie) const;
+    virtual wxTreeItemId GetNextChild(const wxTreeItemId& item,
+                                      wxTreeItemIdValue& cookie) const;
+    virtual wxTreeItemId GetLastChild(const wxTreeItemId& item) const;

 
 

-        // get the first child of this item
-    wxTreeItemId GetFirstChild(const wxTreeItemId& item, long& _cookie) const;
-        // get the next child
-    wxTreeItemId GetNextChild(const wxTreeItemId& item, long& _cookie) const;
+    virtual wxTreeItemId GetNextSibling(const wxTreeItemId& item) const;
+    virtual wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const;

 
 

-        // get the next sibling of this item
-    wxTreeItemId GetNextSibling(const wxTreeItemId& item) const;
-        // get the previous sibling
-    wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const;
-
-        // get first visible item
-    wxTreeItemId GetFirstVisibleItem() const;
-        // get the next visible item: item must be visible itself!
-        // see IsVisible() and wxTreeCtrl::GetFirstVisibleItem()
-    wxTreeItemId GetNextVisible(const wxTreeItemId& item) const;
-        // get the previous visible item: item must be visible itself!
-    wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const;
+    virtual wxTreeItemId GetFirstVisibleItem() const;
+    virtual wxTreeItemId GetNextVisible(const wxTreeItemId& item) const;
+    virtual wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const;

 
     // operations
     // ----------
 
 
     // operations
     // ----------
 

-        // add the root node to the tree
-    wxTreeItemId AddRoot(const wxString& text,
+    virtual wxTreeItemId AddRoot(const wxString& text,

                          int image = -1, int selectedImage = -1,
                          wxTreeItemData *data = NULL);
 
                          int image = -1, int selectedImage = -1,
                          wxTreeItemData *data = NULL);
 

-        // insert a new item in as the first child of the parent
-    wxTreeItemId PrependItem(const wxTreeItemId& parent,
-                             const wxString& text,
-                             int image = -1, int selectedImage = -1,
-                             wxTreeItemData *data = NULL);
-
-        // insert a new item after a given one
-    wxTreeItemId InsertItem(const wxTreeItemId& parent,
-                            const wxTreeItemId& idPrevious,
-                            const wxString& text,
-                            int image = -1, int selectedImage = -1,
-                            wxTreeItemData *data = NULL);
-
-        // insert a new item in as the last child of the parent
-    wxTreeItemId AppendItem(const wxTreeItemId& parent,
-                            const wxString& text,
-                            int image = -1, int selectedImage = -1,
-                            wxTreeItemData *data = NULL);
-
-        // delete this item and associated data if any
-    void Delete(const wxTreeItemId& item);
-        // delete all items from the tree
-    void DeleteAllItems();
-
-        // expand this item
-    void Expand(const wxTreeItemId& item);
-        // collapse the item without removing its children
-    void Collapse(const wxTreeItemId& item);
-        // collapse the item and remove all children
-    void CollapseAndReset(const wxTreeItemId& item);
-        // toggles the current state
-    void Toggle(const wxTreeItemId& item);
-
-        // remove the selection from currently selected item (if any)
-    void Unselect();
-        // select this item
-    void SelectItem(const wxTreeItemId& item);
-        // make sure this item is visible (expanding the parent item and/or
-        // scrolling to this item if necessary)
-    void EnsureVisible(const wxTreeItemId& item);
-        // scroll to this item (but don't expand its parent)
-    void ScrollTo(const wxTreeItemId& item);
-
-        // start editing the item label: this (temporarily) replaces the item
-        // with a one line edit control. The item will be selected if it hadn't
-        // been before. textCtrlClass parameter allows you to create an edit
-        // control of arbitrary user-defined class deriving from wxTextCtrl.
-    wxTextCtrl* EditLabel(const wxTreeItemId& item,
-                          wxClassInfo* textCtrlClass = CLASSINFO(wxTextCtrl));
-        // returns the same pointer as StartEdit() if the item is being edited,
-        // NULL otherwise (it's assumed that no more than one item may be
-        // edited simultaneously)
-    wxTextCtrl* GetEditControl() const;
-        // end editing and accept or discard the changes to item label
-    void EndEditLabel(const wxTreeItemId& item, bool discardChanges = FALSE);
-
-        // sort the children of this item using the specified callback function
-        // (it should return -1, 0 or +1 as usual), if it's not specified
-        // alphabetical comparaison is performed.
-        //
-        // NB: this function is not reentrant!
-    void SortChildren(const wxTreeItemId& item,
-                      wxTreeItemCmpFunc *cmpFunction = NULL);
-
-    // helpers
-    // -------
-
-        // determine to which item (if any) belongs the given point (the
-        // coordinates specified are relative to the client area of tree ctrl)
-        // and fill the flags parameter with a bitmask of wxTREE_HITTEST_xxx
-        // constants.
-        //
-        // The first function is more portable (because easier to implement
-        // on other platforms), but the second one returns some extra info.
-    wxTreeItemId HitTest(const wxPoint& point)
-        { int dummy; return HitTest(point, dummy); }
-    wxTreeItemId HitTest(const wxPoint& point, int& flags);
-
-        // get the bounding rectangle of the item (or of its label only)
-        // @@@ do we really need to expose this functions to the application?
-    void GetBoundingRect(const wxTreeItemId& item,
-                         wxRectangle& rect,
-                         bool textOnly = FALSE) const;
-
-    // deprecated
-    // ----------
+    virtual void Delete(const wxTreeItemId& item);
+    virtual void DeleteChildren(const wxTreeItemId& item);
+    virtual void DeleteAllItems();

 
 

-    // these methods are deprecated and will be removed in future versions of
-    // wxWindows, they're here for compatibility only, don't use them in new
-    // code (the comments indicate why these methods are now useless and how to
-    // replace them)
+    virtual void Expand(const wxTreeItemId& item);
+    virtual void Collapse(const wxTreeItemId& item);
+    virtual void CollapseAndReset(const wxTreeItemId& item);
+    virtual void Toggle(const wxTreeItemId& item);

 
 

-        // use Expand, Collapse, CollapseAndReset or Toggle
-    void ExpandItem(const wxTreeItemId& item, int action);
+    virtual void Unselect();
+    virtual void UnselectAll();
+    virtual void SelectItem(const wxTreeItemId& item, bool select = true);

 
 

-        // use AddRoot, PrependItem or AppendItem
-    wxTreeItemId InsertItem(const wxTreeItemId& parent,
-                            const wxString& text,
-                            int image = -1, int selImage = -1,
-                            long insertAfter = wxTREE_INSERT_LAST);
+    virtual void EnsureVisible(const wxTreeItemId& item);
+    virtual void ScrollTo(const wxTreeItemId& item);

 
 

-        // use Set/GetImageList and Set/GetStateImageList
-    wxImageList *GetImageList(int) const
-        { return GetImageList(); }
-    void SetImageList(wxImageList *imageList, int)
-        { SetImageList(imageList); }
+    virtual wxTextCtrl *EditLabel(const wxTreeItemId& item,
+                          wxClassInfo* textCtrlClass = CLASSINFO(wxTextCtrl));
+    virtual wxTextCtrl *GetEditControl() const;
+    virtual void EndEditLabel(const wxTreeItemId& WXUNUSED(item),
+                              bool discardChanges = false)
+    {
+        DoEndEditLabel(discardChanges);
+    }
+
+    virtual void SortChildren(const wxTreeItemId& item);
+
+    virtual bool GetBoundingRect(const wxTreeItemId& item,
+                                 wxRect& rect,
+                                 bool textOnly = false) const;

 
     // implementation
     // --------------
 
     // implementation
     // --------------

-    void Command(wxCommandEvent& event) { ProcessCommand(event); };
-    virtual bool MSWCommand(WXUINT param, WXWORD id);
-    virtual bool MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result);

 
 

-protected:
-    // SetImageList helper
-    void SetAnyImageList(wxImageList *imageList, int which);
+    virtual wxVisualAttributes GetDefaultAttributes() const
+    {
+        return GetClassDefaultAttributes(GetWindowVariant());
+    }

 
 

-    wxTextCtrl*  m_textCtrl;        // used while editing the item label
-    wxImageList *m_imageListNormal, // images for tree elements
-                *m_imageListState;  // special images for app defined states
+    static wxVisualAttributes
+    GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);

 
 

-private:
-    // the common part of all ctors
-    void Init();

 
 

-    // helper functions
-    inline bool DoGetItem(wxTreeViewItem *tvItem) const;
-    inline void DoSetItem(wxTreeViewItem *tvItem);
+    virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
+    virtual WXLRESULT MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
+    virtual bool MSWCommand(WXUINT param, WXWORD id);
+    virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
+    virtual bool MSWShouldPreProcessMessage(WXMSG* msg);

 
 

-    inline void DoExpand(const wxTreeItemId& item, int flag);
+    // override some base class virtuals
+    virtual bool SetBackgroundColour(const wxColour &colour);
+    virtual bool SetForegroundColour(const wxColour &colour);

 
 

-    wxTreeItemId DoInsertItem(const wxTreeItemId& parent,
-                              wxTreeItemId hInsertAfter,
-                              const wxString& text,
-                              int image, int selectedImage,
-                              wxTreeItemData *data);
+    // get/set the check state for the item (only for wxTR_MULTIPLE)
+    bool IsItemChecked(const wxTreeItemId& item) const;
+    void SetItemCheck(const wxTreeItemId& item, bool check = true);

 
 

-    void DeleteTextCtrl();
+    // set/get the item state.image (state == -1 means cycle to the next one)
+    void SetState(const wxTreeItemId& node, int state);
+    int GetState(const wxTreeItemId& node);

 
 

-    DECLARE_DYNAMIC_CLASS(wxTreeCtrl)
-};
+    // returns true if the platform should explicitly apply a theme border
+    virtual bool CanApplyThemeBorder() const { return false; }

 
 

-// ----------------------------------------------------------------------------
-// wxTreeEvent is a special class for all events associated with tree controls
-//
-// NB: note that not all accessors make sense for all events, see the event
-//     descriptions below
-// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxTreeEvent : public wxNotifyEvent
-{
-friend wxTreeCtrl;
-public:
-    wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0);
+protected:
+    // SetImageList helper
+    void SetAnyImageList(wxImageList *imageList, int which);
+
+    // refresh a single item
+    void RefreshItem(const wxTreeItemId& item);

 
 

-    // accessors
-        // get the item on which the operation was performed or the newly
-        // selected item for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events
-    wxTreeItemId GetItem() const { return m_item; }
+    // end edit label
+    void DoEndEditLabel(bool discardChanges = false);

 
 

-        // for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events, get the previously
-        // selected item
-    wxTreeItemId GetOldItem() const { return m_itemOld; }
+    virtual wxTreeItemId DoInsertItem(const wxTreeItemId& parent,
+                                      size_t pos,
+                                      const wxString& text,
+                                      int image, int selectedImage,
+                                      wxTreeItemData *data);
+    virtual wxTreeItemId DoInsertAfter(const wxTreeItemId& parent,
+                                       const wxTreeItemId& idPrevious,
+                                       const wxString& text,
+                                       int image = -1, int selImage = -1,
+                                       wxTreeItemData *data = NULL);
+    virtual wxTreeItemId DoTreeHitTest(const wxPoint& point, int& flags) const;

 
 

-        // the point where the mouse was when the drag operation started (for
-        // wxEVT_COMMAND_TREE_BEGIN_(R)DRAG events only)
-    wxPoint GetPoint() const { return m_pointDrag; }
+    // obtain the user data for the lParam member of TV_ITEM
+    class wxTreeItemParam *GetItemParam(const wxTreeItemId& item) const;

 
 

-        // keyboard code (for wxEVT_COMMAND_TREE_KEY_DOWN only)
-    int GetCode() const { return m_code; }
+
+    // data used only while editing the item label:
+    wxTextCtrl  *m_textCtrl;        // text control in which it is edited
+    wxTreeItemId m_idEdited;        // the item being edited

 
 private:
 
 private:

-    // @@ we could save some space by using union here
-    int           m_code;
-    wxTreeItemId  m_item,
-                  m_itemOld;
-    wxPoint       m_pointDrag;
+    // the common part of all ctors
+    void Init();

 
 

-    DECLARE_DYNAMIC_CLASS(wxTreeEvent)
-};
+    // helper functions
+    bool DoGetItem(wxTreeViewItem *tvItem) const;
+    void DoSetItem(wxTreeViewItem *tvItem);

 
 

-typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&);
+    void DoExpand(const wxTreeItemId& item, int flag);

 
 

-// ----------------------------------------------------------------------------
-// macros for handling tree control events
-// ----------------------------------------------------------------------------
+    void DeleteTextCtrl();

 
 

-// GetItem() returns the item being dragged, GetPoint() the mouse coords
-#define EVT_TREE_BEGIN_DRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_BEGIN_RDRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_RDRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+    // return true if the item is the hidden root one (i.e. it's the root item
+    // and the tree has wxTR_HIDE_ROOT style)
+    bool IsHiddenRoot(const wxTreeItemId& item) const;

 
 

-// GetItem() returns the itme whose label is being edited
-#define EVT_TREE_BEGIN_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_END_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_END_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },

 
 

-// provide/update information about GetItem() item
-#define EVT_TREE_GET_INFO(id, fn) { wxEVT_COMMAND_TREE_GET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_SET_INFO(id, fn) { wxEVT_COMMAND_TREE_SET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+    // the hash storing the items attributes (indexed by item ids)
+    wxMapTreeAttr m_attrs;

 
 

-// GetItem() is the item being expanded/collapsed, the "ING" versions can use 
-#define EVT_TREE_ITEM_EXPANDED(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_ITEM_EXPANDING(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_ITEM_COLLAPSED(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
-#define EVT_TREE_ITEM_COLLAPSING(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
+    // true if the hash above is not empty
+    bool m_hasAnyAttr;

 
 

-// GetOldItem() is the item which had the selection previously, GetItem() is
-// the item which acquires selection
-#define EVT_TREE_SEL_CHANGED(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
-#define EVT_TREE_SEL_CHANGING(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
+#if wxUSE_DRAGIMAGE
+    // used for dragging
+    wxDragImage *m_dragImage;
+#endif

 
 

-// GetCode() returns the key code
-// NB: this is the only message for which GetItem() is invalid (you may get the
-//     item from GetSelection())
-#define EVT_TREE_KEY_DOWN(id, fn) { wxEVT_COMMAND_TREE_KEY_DOWN, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
+    // Virtual root item, if wxTR_HIDE_ROOT is set.
+    void* m_pVirtualRoot;

 
 

-// GetItem() returns the item being deleted, the associated data (if any) will
-// be deleted just after the return of this event handler (if any)
-#define EVT_TREE_DELETE_ITEM(id, fn) { wxEVT_COMMAND_TREE_DELETE_ITEM, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
+    // the starting item for selection with Shift
+    wxTreeItemId m_htSelStart, m_htClickedItem;
+    wxPoint m_ptClick;

 
 

-#endif
-    // _WX_TREECTRL_H_
+    friend class wxTreeItemIndirectData;
+    friend class wxTreeSortHelper;
+
+    DECLARE_DYNAMIC_CLASS(wxTreeCtrl)
+    DECLARE_NO_COPY_CLASS(wxTreeCtrl)
+};
+
+#endif // wxUSE_TREECTRL
+
+#endif // _WX_MSW_TREECTRL_H_