]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/treectrl.cpp
Renamed generic tree control.
[wxWidgets.git] / src / generic / treectrl.cpp
diff --git a/src/generic/treectrl.cpp b/src/generic/treectrl.cpp
deleted file mode 100644 (file)
index 24be5cd..0000000
+++ /dev/null
@@ -1,2495 +0,0 @@
-/////////////////////////////////////////////////////////////////////////////
-// Name:        treectrl.cpp
-// Purpose:     generic tree control implementation
-// Author:      Robert Roebling
-// Created:     01/02/97
-// Modified:    22/10/98 - almost total rewrite, simpler interface (VZ)
-// Id:          $Id$
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence:     wxWindows licence
-/////////////////////////////////////////////////////////////////////////////
-
-// =============================================================================
-// declarations
-// =============================================================================
-
-// -----------------------------------------------------------------------------
-// headers
-// -----------------------------------------------------------------------------
-
-#ifdef __GNUG__
-  #pragma implementation "treectrl.h"
-#endif
-
-// For compilers that support precompilation, includes "wx.h".
-#include "wx/wxprec.h"
-
-#ifdef __BORLANDC__
-#pragma hdrstop
-#endif
-
-#include "wx/treectrl.h"
-#include "wx/generic/imaglist.h"
-#include "wx/settings.h"
-#include "wx/log.h"
-#include "wx/intl.h"
-#include "wx/dynarray.h"
-#include "wx/arrimpl.cpp"
-#include "wx/dcclient.h"
-#include "wx/msgdlg.h"
-
-// -----------------------------------------------------------------------------
-// array types
-// -----------------------------------------------------------------------------
-
-class WXDLLEXPORT wxGenericTreeItem;
-
-WX_DEFINE_ARRAY(wxGenericTreeItem *, wxArrayGenericTreeItems);
-WX_DEFINE_OBJARRAY(wxArrayTreeItemIds);
-
-// ----------------------------------------------------------------------------
-// constants
-// ----------------------------------------------------------------------------
-
-static const int NO_IMAGE = -1;
-
-#define PIXELS_PER_UNIT 10
-
-// -----------------------------------------------------------------------------
-// private classes
-// -----------------------------------------------------------------------------
-
-// timer used for enabling in-place edit
-class WXDLLEXPORT wxTreeRenameTimer: public wxTimer
-{
-public:
-    wxTreeRenameTimer( wxTreeCtrl *owner );
-
-    void Notify();
-
-private:
-    wxTreeCtrl   *m_owner;
-};
-
-// control used for in-place edit
-class WXDLLEXPORT wxTreeTextCtrl: public wxTextCtrl
-{
-public:
-    wxTreeTextCtrl() { }
-    wxTreeTextCtrl( wxWindow *parent,
-                    const wxWindowID id,
-                    bool *accept,
-                    wxString *res,
-                    wxTreeCtrl *owner,
-                    const wxString &value = wxEmptyString,
-                    const wxPoint &pos = wxDefaultPosition,
-                    const wxSize &size = wxDefaultSize,
-                    int style = 0,
-                    const wxValidator& validator = wxDefaultValidator,
-                    const wxString &name = wxTextCtrlNameStr );
-
-    void OnChar( wxKeyEvent &event );
-    void OnKillFocus( wxFocusEvent &event );
-
-private:
-    bool               *m_accept;
-    wxString           *m_res;
-    wxTreeCtrl         *m_owner;
-    wxString            m_startValue;
-
-    DECLARE_EVENT_TABLE()
-    DECLARE_DYNAMIC_CLASS(wxTreeTextCtrl);
-};
-
-// a tree item
-class WXDLLEXPORT wxGenericTreeItem
-{
-public:
-    // ctors & dtor
-    wxGenericTreeItem() { m_data = NULL; }
-    wxGenericTreeItem( wxGenericTreeItem *parent,
-            const wxString& text,
-            wxDC& dc,
-            int image, int selImage,
-            wxTreeItemData *data );
-
-    ~wxGenericTreeItem();
-
-    // trivial accessors
-    wxArrayGenericTreeItems& GetChildren() { return m_children; }
-
-    const wxString& GetText() const { return m_text; }
-    int GetImage(wxTreeItemIcon which = wxTreeItemIcon_Normal) const
-        { return m_images[which]; }
-    wxTreeItemData *GetData() const { return m_data; }
-
-    // returns the current image for the item (depending on its
-    // selected/expanded/whatever state)
-    int GetCurrentImage() const;
-
-    void SetText( const wxString &text );
-    void SetImage(int image, wxTreeItemIcon which) { m_images[which] = image; }
-    void SetData(wxTreeItemData *data) { m_data = data; }
-
-    void SetHasPlus(bool has = TRUE) { m_hasPlus = has; }
-
-    void SetBold(bool bold) { m_isBold = bold; }
-
-    int GetX() const { return m_x; }
-    int GetY() const { return m_y; }
-
-    void SetX(int x) { m_x = x; }
-    void SetY(int y) { m_y = y; }
-
-    int  GetHeight() const { return m_height; }
-    int  GetWidth()  const { return m_width; }
-
-    void SetHeight(int h) { m_height = h; }
-    void SetWidth(int w) { m_width = w; }
-
-
-    wxGenericTreeItem *GetParent() const { return m_parent; }
-
-    // operations
-        // deletes all children notifying the treectrl about it if !NULL
-        // pointer given
-    void DeleteChildren(wxTreeCtrl *tree = NULL);
-        // FIXME don't know what is it for
-    void Reset();
-
-    // get count of all children (and grand children if 'recursively')
-    size_t GetChildrenCount(bool recursively = TRUE) const;
-
-    void Insert(wxGenericTreeItem *child, size_t index)
-    { m_children.Insert(child, index); }
-
-    void SetCross( int x, int y );
-    void GetSize( int &x, int &y, const wxTreeCtrl* );
-
-        // return the item at given position (or NULL if no item), onButton is
-        // TRUE if the point belongs to the item's button, otherwise it lies
-        // on the button's label
-    wxGenericTreeItem *HitTest( const wxPoint& point, const wxTreeCtrl *, int &flags);
-
-    void Expand() { m_isCollapsed = FALSE; }
-    void Collapse() { m_isCollapsed = TRUE; }
-
-    void SetHilight( bool set = TRUE ) { m_hasHilight = set; }
-
-    // status inquiries
-    bool HasChildren() const { return !m_children.IsEmpty(); }
-    bool IsSelected()  const { return m_hasHilight; }
-    bool IsExpanded()  const { return !m_isCollapsed; }
-    bool HasPlus()     const { return m_hasPlus || HasChildren(); }
-    bool IsBold()      const { return m_isBold; }
-
-    // attributes
-        // get them - may be NULL
-    wxTreeItemAttr *GetAttributes() const { return m_attr; }
-        // get them ensuring that the pointer is not NULL
-    wxTreeItemAttr& Attr()
-    {
-        if ( !m_attr )
-            m_attr = new wxTreeItemAttr;
-
-        return *m_attr;
-    }
-
-private:
-    wxString            m_text;
-
-    // tree ctrl images for the normal, selected, expanded and
-    // expanded+selected states
-    int                 m_images[wxTreeItemIcon_Max];
-
-    wxTreeItemData     *m_data;
-
-    // use bitfields to save size
-    int                 m_isCollapsed :1;
-    int                 m_hasHilight  :1; // same as focused
-    int                 m_hasPlus     :1; // used for item which doesn't have
-                                          // children but has a [+] button
-    int                 m_isBold      :1; // render the label in bold font
-
-    wxCoord             m_x, m_y;
-    wxCoord             m_height, m_width;
-    int                 m_xCross, m_yCross;
-    int                 m_level;
-
-    wxArrayGenericTreeItems m_children;
-    wxGenericTreeItem  *m_parent;
-
-    wxTreeItemAttr     *m_attr;
-};
-
-// =============================================================================
-// implementation
-// =============================================================================
-
-// ----------------------------------------------------------------------------
-// private functions
-// ----------------------------------------------------------------------------
-
-// translate the key or mouse event flags to the type of selection we're
-// dealing with
-static void EventFlagsToSelType(long style,
-                                bool shiftDown,
-                                bool ctrlDown,
-                                bool &is_multiple,
-                                bool &extended_select,
-                                bool &unselect_others)
-{
-    is_multiple = (style & wxTR_MULTIPLE) != 0;
-    extended_select = shiftDown && is_multiple;
-    unselect_others = !(extended_select || (ctrlDown && is_multiple));
-}
-
-// -----------------------------------------------------------------------------
-// wxTreeRenameTimer (internal)
-// -----------------------------------------------------------------------------
-
-wxTreeRenameTimer::wxTreeRenameTimer( wxTreeCtrl *owner )
-{
-    m_owner = owner;
-}
-
-void wxTreeRenameTimer::Notify()
-{
-    m_owner->OnRenameTimer();
-}
-
-//-----------------------------------------------------------------------------
-// wxTreeTextCtrl (internal)
-//-----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxTreeTextCtrl,wxTextCtrl);
-
-BEGIN_EVENT_TABLE(wxTreeTextCtrl,wxTextCtrl)
-    EVT_CHAR           (wxTreeTextCtrl::OnChar)
-    EVT_KILL_FOCUS     (wxTreeTextCtrl::OnKillFocus)
-END_EVENT_TABLE()
-
-wxTreeTextCtrl::wxTreeTextCtrl( wxWindow *parent,
-                                const wxWindowID id,
-                                bool *accept,
-                                wxString *res,
-                                wxTreeCtrl *owner,
-                                const wxString &value,
-                                const wxPoint &pos,
-                                const wxSize &size,
-                                int style,
-                                const wxValidator& validator,
-                                const wxString &name )
-              : wxTextCtrl( parent, id, value, pos, size, style, validator, name )
-{
-    m_res = res;
-    m_accept = accept;
-    m_owner = owner;
-    (*m_accept) = FALSE;
-    (*m_res) = wxEmptyString;
-    m_startValue = value;
-}
-
-void wxTreeTextCtrl::OnChar( wxKeyEvent &event )
-{
-    if (event.m_keyCode == WXK_RETURN)
-    {
-        (*m_accept) = TRUE;
-        (*m_res) = GetValue();
-        
-        if (!wxPendingDelete.Member(this))
-            wxPendingDelete.Append(this);
-
-        if ((*m_accept) && ((*m_res) != m_startValue))
-            m_owner->OnRenameAccept();
-            
-        return;
-    }
-    if (event.m_keyCode == WXK_ESCAPE)
-    {
-        (*m_accept) = FALSE;
-        (*m_res) = "";
-        
-        if (!wxPendingDelete.Member(this))
-            wxPendingDelete.Append(this);
-            
-        return;
-    }
-    event.Skip();
-}
-
-void wxTreeTextCtrl::OnKillFocus( wxFocusEvent &WXUNUSED(event) )
-{
-    if (!wxPendingDelete.Member(this))
-        wxPendingDelete.Append(this);
-
-    if ((*m_accept) && ((*m_res) != m_startValue))
-        m_owner->OnRenameAccept();
-}
-
-// -----------------------------------------------------------------------------
-// wxTreeEvent
-// -----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent)
-
-wxTreeEvent::wxTreeEvent( wxEventType commandType, int id )
-           : wxNotifyEvent( commandType, id )
-{
-    m_code = 0;
-    m_itemOld = (wxGenericTreeItem *)NULL;
-}
-
-// -----------------------------------------------------------------------------
-// wxGenericTreeItem
-// -----------------------------------------------------------------------------
-
-wxGenericTreeItem::wxGenericTreeItem(wxGenericTreeItem *parent,
-                                     const wxString& text,
-                                     wxDC& WXUNUSED(dc),
-                                     int image, int selImage,
-                                     wxTreeItemData *data)
-                 : m_text(text)
-{
-    m_images[wxTreeItemIcon_Normal] = image;
-    m_images[wxTreeItemIcon_Selected] = selImage;
-    m_images[wxTreeItemIcon_Expanded] = NO_IMAGE;
-    m_images[wxTreeItemIcon_SelectedExpanded] = NO_IMAGE;
-
-    m_data = data;
-    m_x = m_y = 0;
-    m_xCross = m_yCross = 0;
-
-    m_level = 0;
-
-    m_isCollapsed = TRUE;
-    m_hasHilight = FALSE;
-    m_hasPlus = FALSE;
-    m_isBold = FALSE;
-
-    m_parent = parent;
-
-    m_attr = (wxTreeItemAttr *)NULL;
-
-    // We don't know the height here yet.
-    m_width = 0;
-    m_height = 0;
-}
-
-wxGenericTreeItem::~wxGenericTreeItem()
-{
-    delete m_data;
-
-    delete m_attr;
-
-    wxASSERT_MSG( m_children.IsEmpty(),
-                  wxT("please call DeleteChildren() before deleting the item") );
-}
-
-void wxGenericTreeItem::DeleteChildren(wxTreeCtrl *tree)
-{
-    size_t count = m_children.Count();
-    for ( size_t n = 0; n < count; n++ )
-    {
-        wxGenericTreeItem *child = m_children[n];
-        if (tree)
-            tree->SendDeleteEvent(child);
-
-        child->DeleteChildren(tree);
-        delete child;
-    }
-
-    m_children.Empty();
-}
-
-void wxGenericTreeItem::SetText( const wxString &text )
-{
-    m_text = text;
-}
-
-void wxGenericTreeItem::Reset()
-{
-    m_text.Empty();
-    for ( int i = 0; i < wxTreeItemIcon_Max; i++ )
-    {
-        m_images[i] = NO_IMAGE;
-    }
-
-    m_data = NULL;
-    m_x = m_y =
-    m_height = m_width = 0;
-    m_xCross =
-    m_yCross = 0;
-
-    m_level = 0;
-
-    DeleteChildren();
-    m_isCollapsed = TRUE;
-
-    m_parent = (wxGenericTreeItem *)NULL;
-}
-
-size_t wxGenericTreeItem::GetChildrenCount(bool recursively) const
-{
-    size_t count = m_children.Count();
-    if ( !recursively )
-        return count;
-
-    size_t total = count;
-    for (size_t n = 0; n < count; ++n)
-    {
-        total += m_children[n]->GetChildrenCount();
-    }
-
-    return total;
-}
-
-void wxGenericTreeItem::SetCross( int x, int y )
-{
-    m_xCross = x;
-    m_yCross = y;
-}
-
-void wxGenericTreeItem::GetSize( int &x, int &y, const wxTreeCtrl *theTree )
-{
-    int bottomY=m_y+theTree->GetLineHeight(this);
-    if ( y < bottomY ) y = bottomY;
-    int width = m_x +  m_width;
-    if ( x < width ) x = width;
-
-    if (IsExpanded())
-    {
-        size_t count = m_children.Count();
-        for ( size_t n = 0; n < count; ++n )
-        {
-            m_children[n]->GetSize( x, y, theTree );
-        }
-    }
-}
-
-wxGenericTreeItem *wxGenericTreeItem::HitTest( const wxPoint& point,
-                                               const wxTreeCtrl *theTree,
-                                               int &flags)
-{
-    if ((point.y > m_y) && (point.y < m_y + theTree->GetLineHeight(this)))
-    {
-        if (point.y < m_y+theTree->GetLineHeight(this)/2 )
-            flags |= wxTREE_HITTEST_ONITEMUPPERPART;
-        else
-            flags |= wxTREE_HITTEST_ONITEMLOWERPART;
-
-        // 5 is the size of the plus sign
-        if ((point.x > m_xCross-5) && (point.x < m_xCross+5) &&
-            (point.y > m_yCross-5) && (point.y < m_yCross+5) &&
-            (IsExpanded() || HasPlus()))
-        {
-            flags|=wxTREE_HITTEST_ONITEMBUTTON;
-            return this;
-        }
-
-        if ((point.x >= m_x) && (point.x <= m_x+m_width))
-        {
-            int image_w = -1;
-            int image_h;
-
-            // assuming every image (normal and selected ) has the same size !
-            if ( (GetImage() != NO_IMAGE) && theTree->m_imageListNormal )
-                theTree->m_imageListNormal->GetSize(GetImage(), image_w, image_h);
-
-            if ((image_w != -1) && (point.x <= m_x + image_w + 1))
-                flags |= wxTREE_HITTEST_ONITEMICON;
-            else
-                flags |= wxTREE_HITTEST_ONITEMLABEL;
-
-            return this;
-        }
-
-        if (point.x < m_x)
-            flags |= wxTREE_HITTEST_ONITEMINDENT;
-        if (point.x > m_x+m_width)
-            flags |= wxTREE_HITTEST_ONITEMRIGHT;
-
-        return this;
-    }
-    else
-    {
-        if (!m_isCollapsed)
-        {
-            size_t count = m_children.Count();
-            for ( size_t n = 0; n < count; n++ )
-            {
-                wxGenericTreeItem *res = m_children[n]->HitTest( point, theTree, flags );
-                if ( res != NULL )
-                    return res;
-            }
-        }
-    }
-
-    flags|=wxTREE_HITTEST_NOWHERE;
-
-    return (wxGenericTreeItem*) NULL;
-}
-
-int wxGenericTreeItem::GetCurrentImage() const
-{
-    int image = NO_IMAGE;
-    if ( IsExpanded() )
-    {
-        if ( IsSelected() )
-        {
-            image = GetImage(wxTreeItemIcon_SelectedExpanded);
-        }
-
-        if ( image == NO_IMAGE )
-        {
-            // we usually fall back to the normal item, but try just the
-            // expanded one (and not selected) first in this case
-            image = GetImage(wxTreeItemIcon_Expanded);
-        }
-    }
-    else // not expanded
-    {
-        if ( IsSelected() )
-            image = GetImage(wxTreeItemIcon_Selected);
-    }
-
-    // may be it doesn't have the specific image we want, try the default one
-    // instead
-    if ( image == NO_IMAGE )
-    {
-        image = GetImage();
-    }
-
-    return image;
-}
-
-// -----------------------------------------------------------------------------
-// wxTreeCtrl implementation
-// -----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxScrolledWindow)
-
-BEGIN_EVENT_TABLE(wxTreeCtrl,wxScrolledWindow)
-    EVT_PAINT          (wxTreeCtrl::OnPaint)
-    EVT_MOUSE_EVENTS   (wxTreeCtrl::OnMouse)
-    EVT_CHAR           (wxTreeCtrl::OnChar)
-    EVT_SET_FOCUS      (wxTreeCtrl::OnSetFocus)
-    EVT_KILL_FOCUS     (wxTreeCtrl::OnKillFocus)
-    EVT_IDLE           (wxTreeCtrl::OnIdle)
-END_EVENT_TABLE()
-
-// -----------------------------------------------------------------------------
-// construction/destruction
-// -----------------------------------------------------------------------------
-
-void wxTreeCtrl::Init()
-{
-    m_current =
-    m_key_current =
-    m_anchor = (wxGenericTreeItem *) NULL;
-    m_hasFocus = FALSE;
-    m_dirty = FALSE;
-
-    m_xScroll = 0;
-    m_yScroll = 0;
-    m_lineHeight = 10;
-    m_indent = 15;
-    m_spacing = 18;
-
-    m_hilightBrush = new wxBrush
-    (
-      wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT),
-      wxSOLID
-    );
-
-    m_imageListNormal =
-    m_imageListState = (wxImageList *) NULL;
-
-    m_dragCount = 0;
-    m_isDragging = FALSE;
-    m_dropTarget =
-    m_oldSelection = (wxGenericTreeItem *)NULL;
-
-    m_renameTimer = new wxTreeRenameTimer( this );
-    m_lastOnSame = FALSE;
-
-    m_normalFont = wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT );
-    m_boldFont = wxFont( m_normalFont.GetPointSize(),
-                            m_normalFont.GetFamily(),
-                            m_normalFont.GetStyle(),
-                            wxBOLD,
-                            m_normalFont.GetUnderlined());
-}
-
-bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id,
-                        const wxPoint& pos, const wxSize& size,
-                        long style,
-                        const wxValidator &validator,
-                        const wxString& name )
-{
-    Init();
-
-    wxScrolledWindow::Create( parent, id, pos, size, style|wxHSCROLL|wxVSCROLL, name );
-
-#if wxUSE_VALIDATORS
-    SetValidator( validator );
-#endif
-
-    SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_LISTBOX ) );
-//  m_dottedPen = wxPen( "grey", 0, wxDOT );  too slow under XFree86
-    m_dottedPen = wxPen( "grey", 0, 0 );
-
-    return TRUE;
-}
-
-wxTreeCtrl::~wxTreeCtrl()
-{
-    wxDELETE( m_hilightBrush );
-
-    DeleteAllItems();
-
-    delete m_renameTimer;
-}
-
-// -----------------------------------------------------------------------------
-// accessors
-// -----------------------------------------------------------------------------
-
-size_t wxTreeCtrl::GetCount() const
-{
-    return m_anchor == NULL ? 0u : m_anchor->GetChildrenCount();
-}
-
-void wxTreeCtrl::SetIndent(unsigned int indent)
-{
-    m_indent = indent;
-    m_dirty = TRUE;
-}
-
-void wxTreeCtrl::SetSpacing(unsigned int spacing)
-{
-    m_spacing = spacing;
-    m_dirty = TRUE;
-}
-
-size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively)
-{
-    wxCHECK_MSG( item.IsOk(), 0u, wxT("invalid tree item") );
-
-    return item.m_pItem->GetChildrenCount(recursively);
-}
-
-// -----------------------------------------------------------------------------
-// functions to work with tree items
-// -----------------------------------------------------------------------------
-
-wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const
-{
-    wxCHECK_MSG( item.IsOk(), wxT(""), wxT("invalid tree item") );
-
-    return item.m_pItem->GetText();
-}
-
-int wxTreeCtrl::GetItemImage(const wxTreeItemId& item,
-                             wxTreeItemIcon which) const
-{
-    wxCHECK_MSG( item.IsOk(), -1, wxT("invalid tree item") );
-
-    return item.m_pItem->GetImage(which);
-}
-
-wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
-{
-    wxCHECK_MSG( item.IsOk(), NULL, wxT("invalid tree item") );
-
-    return item.m_pItem->GetData();
-}
-
-void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text)
-{
-    wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
-
-    wxClientDC dc(this);
-    wxGenericTreeItem *pItem = item.m_pItem;
-    pItem->SetText(text);
-    CalculateSize(pItem, dc);
-    RefreshLine(pItem);
-}
-
-void wxTreeCtrl::SetItemImage(const wxTreeItemId& item,
-                              int image,
-                              wxTreeItemIcon which)
-{
-    wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
-
-    wxGenericTreeItem *pItem = item.m_pItem;
-    pItem->SetImage(image, which);
-
-    wxClientDC dc(this);
-    CalculateSize(pItem, dc);
-    RefreshLine(pItem);
-}
-
-void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
-{
-    wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
-
-    item.m_pItem->SetData(data);
-}
-
-void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
-{
-    wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
-
-    wxGenericTreeItem *pItem = item.m_pItem;
-    pItem->SetHasPlus(has);
-    RefreshLine(pItem);
-}
-
-void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold)
-{
-    wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
-
-    // avoid redrawing the tree if no real change
-    wxGenericTreeItem *pItem = item.m_pItem;
-    if ( pItem->IsBold() != bold )
-    {
-        pItem->SetBold(bold);
-        RefreshLine(pItem);
-    }
-}
-
-void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item,
-                                   const wxColour& col)
-{
-    wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
-
-    wxGenericTreeItem *pItem = item.m_pItem;
-    pItem->Attr().SetTextColour(col);
-    RefreshLine(pItem);
-}
-
-void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
-                                         const wxColour& col)
-{
-    wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
-
-    wxGenericTreeItem *pItem = item.m_pItem;
-    pItem->Attr().SetBackgroundColour(col);
-    RefreshLine(pItem);
-}
-
-void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
-{
-    wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
-
-    wxGenericTreeItem *pItem = item.m_pItem;
-    pItem->Attr().SetFont(font);
-    RefreshLine(pItem);
-}
-
-// -----------------------------------------------------------------------------
-// item status inquiries
-// -----------------------------------------------------------------------------
-
-bool wxTreeCtrl::IsVisible(const wxTreeItemId& WXUNUSED(item)) const
-{
-    wxFAIL_MSG(wxT("not implemented"));
-
-    return TRUE;
-}
-
-bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
-{
-    wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
-
-    return !item.m_pItem->GetChildren().IsEmpty();
-}
-
-bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const
-{
-    wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
-
-    return item.m_pItem->IsExpanded();
-}
-
-bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const
-{
-    wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
-
-    return item.m_pItem->IsSelected();
-}
-
-bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const
-{
-    wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
-
-    return item.m_pItem->IsBold();
-}
-
-// -----------------------------------------------------------------------------
-// navigation
-// -----------------------------------------------------------------------------
-
-wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const
-{
-  wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
-  return item.m_pItem->GetParent();
-}
-
-wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, long& cookie) const
-{
-  wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
-  cookie = 0;
-  return GetNextChild(item, cookie);
-}
-
-wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& item, long& cookie) const
-{
-  wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
-  wxArrayGenericTreeItems& children = item.m_pItem->GetChildren();
-  if ( (size_t)cookie < children.Count() )
-  {
-    return children.Item((size_t)cookie++);
-  }
-  else
-  {
-    // there are no more of them
-    return wxTreeItemId();
-  }
-}
-
-wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const
-{
-  wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
-  wxArrayGenericTreeItems& children = item.m_pItem->GetChildren();
-  return (children.IsEmpty() ? wxTreeItemId() : wxTreeItemId(children.Last()));
-}
-
-wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const
-{
-  wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
-  wxGenericTreeItem *i = item.m_pItem;
-  wxGenericTreeItem *parent = i->GetParent();
-  if ( parent == NULL )
-  {
-    // root item doesn't have any siblings
-    return wxTreeItemId();
-  }
-
-  wxArrayGenericTreeItems& siblings = parent->GetChildren();
-  int index = siblings.Index(i);
-  wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
-
-  size_t n = (size_t)(index + 1);
-  return n == siblings.Count() ? wxTreeItemId() : wxTreeItemId(siblings[n]);
-}
-
-wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const
-{
-  wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
-  wxGenericTreeItem *i = item.m_pItem;
-  wxGenericTreeItem *parent = i->GetParent();
-  if ( parent == NULL )
-  {
-    // root item doesn't have any siblings
-    return wxTreeItemId();
-  }
-
-  wxArrayGenericTreeItems& siblings = parent->GetChildren();
-  int index = siblings.Index(i);
-  wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
-
-  return index == 0 ? wxTreeItemId()
-                    : wxTreeItemId(siblings[(size_t)(index - 1)]);
-}
-
-wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const
-{
-  wxFAIL_MSG(wxT("not implemented"));
-
-  return wxTreeItemId();
-}
-
-wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
-{
-  wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
-  wxFAIL_MSG(wxT("not implemented"));
-
-  return wxTreeItemId();
-}
-
-wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
-{
-  wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
-  wxFAIL_MSG(wxT("not implemented"));
-
-  return wxTreeItemId();
-}
-
-// -----------------------------------------------------------------------------
-// operations
-// -----------------------------------------------------------------------------
-
-wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parentId,
-                                      size_t previous,
-                                      const wxString& text,
-                                      int image, int selImage,
-                                      wxTreeItemData *data)
-{
-    wxGenericTreeItem *parent = parentId.m_pItem;
-    if ( !parent )
-    {
-        // should we give a warning here?
-        return AddRoot(text, image, selImage, data);
-    }
-
-    wxClientDC dc(this);
-    wxGenericTreeItem *item =
-        new wxGenericTreeItem( parent, text, dc, image, selImage, data );
-
-    if ( data != NULL )
-    {
-        data->m_pItem = item;
-    }
-
-    parent->Insert( item, previous );
-
-    m_dirty = TRUE;
-
-    return item;
-}
-
-wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text,
-                                 int image, int selImage,
-                                 wxTreeItemData *data)
-{
-    wxCHECK_MSG( !m_anchor, wxTreeItemId(), wxT("tree can have only one root") );
-
-    wxClientDC dc(this);
-    m_anchor = new wxGenericTreeItem((wxGenericTreeItem *)NULL, text, dc,
-                                   image, selImage, data);
-    if ( data != NULL )
-    {
-        data->m_pItem = m_anchor;
-    }
-
-    if (!HasFlag(wxTR_MULTIPLE))
-    {
-        m_current = m_key_current = m_anchor;
-        m_current->SetHilight( TRUE );
-    }
-
-    m_dirty = TRUE;
-
-    return m_anchor;
-}
-
-wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent,
-                                     const wxString& text,
-                                     int image, int selImage,
-                                     wxTreeItemData *data)
-{
-    return DoInsertItem(parent, 0u, text, image, selImage, data);
-}
-
-wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parentId,
-                                    const wxTreeItemId& idPrevious,
-                                    const wxString& text,
-                                    int image, int selImage,
-                                    wxTreeItemData *data)
-{
-    wxGenericTreeItem *parent = parentId.m_pItem;
-    if ( !parent )
-    {
-        // should we give a warning here?
-        return AddRoot(text, image, selImage, data);
-    }
-
-    int index = parent->GetChildren().Index(idPrevious.m_pItem);
-    wxASSERT_MSG( index != wxNOT_FOUND,
-                  wxT("previous item in wxTreeCtrl::InsertItem() is not a sibling") );
-
-    return DoInsertItem(parentId, (size_t)++index, text, image, selImage, data);
-}
-
-wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parentId,
-                                    size_t before,
-                                    const wxString& text,
-                                    int image, int selImage,
-                                    wxTreeItemData *data)
-{
-    wxGenericTreeItem *parent = parentId.m_pItem;
-    if ( !parent )
-    {
-        // should we give a warning here?
-        return AddRoot(text, image, selImage, data);
-    }
-
-    return DoInsertItem(parentId, before, text, image, selImage, data);
-}
-
-wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parentId,
-                                    const wxString& text,
-                                    int image, int selImage,
-                                    wxTreeItemData *data)
-{
-    wxGenericTreeItem *parent = parentId.m_pItem;
-    if ( !parent )
-    {
-        // should we give a warning here?
-        return AddRoot(text, image, selImage, data);
-    }
-
-    return DoInsertItem( parent, parent->GetChildren().Count(), text,
-                         image, selImage, data);
-}
-
-void wxTreeCtrl::SendDeleteEvent(wxGenericTreeItem *item)
-{
-    wxTreeEvent event( wxEVT_COMMAND_TREE_DELETE_ITEM, GetId() );
-    event.m_item = item;
-    event.SetEventObject( this );
-    ProcessEvent( event );
-}
-
-void wxTreeCtrl::DeleteChildren(const wxTreeItemId& itemId)
-{
-    wxGenericTreeItem *item = itemId.m_pItem;
-    item->DeleteChildren(this);
-
-    m_dirty = TRUE;
-}
-
-void wxTreeCtrl::Delete(const wxTreeItemId& itemId)
-{
-    wxGenericTreeItem *item = itemId.m_pItem;
-
-    // don't stay with invalid m_key_current or we will crash in the next call
-    // to OnChar()
-    bool changeKeyCurrent = FALSE;
-    wxGenericTreeItem *itemKey = m_key_current;
-    while ( itemKey && !changeKeyCurrent )
-    {
-        if ( itemKey == item )
-        {
-            // m_key_current is a descendant of the item being deleted
-            changeKeyCurrent = TRUE;
-        }
-        else
-        {
-            itemKey = itemKey->GetParent();
-        }
-    }
-
-    wxGenericTreeItem *parent = item->GetParent();
-    if ( parent )
-    {
-        parent->GetChildren().Remove( item );  // remove by value
-    }
-
-    if ( changeKeyCurrent )
-    {
-        // may be NULL or not
-        m_key_current = parent;
-    }
-
-    item->DeleteChildren(this);
-    SendDeleteEvent(item);
-    delete item;
-
-    m_dirty = TRUE;
-}
-
-void wxTreeCtrl::DeleteAllItems()
-{
-    if ( m_anchor )
-    {
-        m_anchor->DeleteChildren(this);
-        delete m_anchor;
-
-        m_anchor = NULL;
-
-        m_dirty = TRUE;
-    }
-}
-
-void wxTreeCtrl::Expand(const wxTreeItemId& itemId)
-{
-    wxGenericTreeItem *item = itemId.m_pItem;
-
-    wxCHECK_RET( item, _T("invalid item in wxTreeCtrl::Expand") );
-
-    if ( !item->HasPlus() )
-        return;
-
-    if ( item->IsExpanded() )
-        return;
-
-    wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_EXPANDING, GetId() );
-    event.m_item = item;
-    event.SetEventObject( this );
-
-    if ( ProcessEvent( event ) && !event.IsAllowed() )
-    {
-        // cancelled by program
-        return;
-    }
-
-    item->Expand();
-    CalculatePositions();
-
-    RefreshSubtree(item);
-
-    event.SetEventType(wxEVT_COMMAND_TREE_ITEM_EXPANDED);
-    ProcessEvent( event );
-}
-
-void wxTreeCtrl::ExpandAll(const wxTreeItemId& item)
-{
-    Expand(item);
-    if ( IsExpanded(item) )
-    {
-        long cookie;
-        wxTreeItemId child = GetFirstChild(item, cookie);
-        while ( child.IsOk() )
-        {
-            ExpandAll(child);
-
-            child = GetNextChild(item, cookie);
-        }
-    }
-}
-
-void wxTreeCtrl::Collapse(const wxTreeItemId& itemId)
-{
-    wxGenericTreeItem *item = itemId.m_pItem;
-
-    if ( !item->IsExpanded() )
-        return;
-
-    wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_COLLAPSING, GetId() );
-    event.m_item = item;
-    event.SetEventObject( this );
-    if ( ProcessEvent( event ) && !event.IsAllowed() )
-    {
-        // cancelled by program
-        return;
-    }
-
-    item->Collapse();
-
-    wxArrayGenericTreeItems& children = item->GetChildren();
-    size_t count = children.Count();
-    for ( size_t n = 0; n < count; n++ )
-    {
-        Collapse(children[n]);
-    }
-
-    CalculatePositions();
-
-    RefreshSubtree(item);
-
-    event.SetEventType(wxEVT_COMMAND_TREE_ITEM_COLLAPSED);
-    ProcessEvent( event );
-}
-
-void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item)
-{
-    Collapse(item);
-    DeleteChildren(item);
-}
-
-void wxTreeCtrl::Toggle(const wxTreeItemId& itemId)
-{
-    wxGenericTreeItem *item = itemId.m_pItem;
-
-    if (item->IsExpanded())
-        Collapse(itemId);
-    else
-        Expand(itemId);
-}
-
-void wxTreeCtrl::Unselect()
-{
-    if (m_current)
-    {
-        m_current->SetHilight( FALSE );
-        RefreshLine( m_current );
-    }
-}
-
-void wxTreeCtrl::UnselectAllChildren(wxGenericTreeItem *item)
-{
-    if (item->IsSelected())
-    {
-        item->SetHilight(FALSE);
-        RefreshLine(item);
-    }
-
-    if (item->HasChildren())
-    {
-        wxArrayGenericTreeItems& children = item->GetChildren();
-        size_t count = children.Count();
-        for ( size_t n = 0; n < count; ++n )
-        {
-            UnselectAllChildren(children[n]);
-        }
-    }
-}
-
-void wxTreeCtrl::UnselectAll()
-{
-    UnselectAllChildren(GetRootItem().m_pItem);
-}
-
-// Recursive function !
-// To stop we must have crt_item<last_item
-// Algorithm :
-// Tag all next children, when no more children,
-// Move to parent (not to tag)
-// Keep going... if we found last_item, we stop.
-bool wxTreeCtrl::TagNextChildren(wxGenericTreeItem *crt_item, wxGenericTreeItem *last_item, bool select)
-{
-    wxGenericTreeItem *parent = crt_item->GetParent();
-
-    if (parent == NULL) // This is root item
-        return TagAllChildrenUntilLast(crt_item, last_item, select);
-
-    wxArrayGenericTreeItems& children = parent->GetChildren();
-    int index = children.Index(crt_item);
-    wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
-
-    size_t count = children.Count();
-    for (size_t n=(size_t)(index+1); n<count; ++n)
-    {
-        if (TagAllChildrenUntilLast(children[n], last_item, select)) return TRUE;
-    }
-
-    return TagNextChildren(parent, last_item, select);
-}
-
-bool wxTreeCtrl::TagAllChildrenUntilLast(wxGenericTreeItem *crt_item, wxGenericTreeItem *last_item, bool select)
-{
-    crt_item->SetHilight(select);
-    RefreshLine(crt_item);
-
-    if (crt_item==last_item)
-        return TRUE;
-
-    if (crt_item->HasChildren())
-    {
-        wxArrayGenericTreeItems& children = crt_item->GetChildren();
-        size_t count = children.Count();
-        for ( size_t n = 0; n < count; ++n )
-        {
-            if (TagAllChildrenUntilLast(children[n], last_item, select))
-                return TRUE;
-        }
-    }
-
-  return FALSE;
-}
-
-void wxTreeCtrl::SelectItemRange(wxGenericTreeItem *item1, wxGenericTreeItem *item2)
-{
-    // item2 is not necessary after item1
-    wxGenericTreeItem *first=NULL, *last=NULL;
-
-    // choice first' and 'last' between item1 and item2
-    if (item1->GetY()<item2->GetY())
-    {
-        first=item1;
-        last=item2;
-    }
-    else
-    {
-        first=item2;
-        last=item1;
-    }
-
-    bool select = m_current->IsSelected();
-
-    if ( TagAllChildrenUntilLast(first,last,select) )
-        return;
-
-    TagNextChildren(first,last,select);
-}
-
-void wxTreeCtrl::SelectItem(const wxTreeItemId& itemId,
-                            bool unselect_others,
-                            bool extended_select)
-{
-    wxCHECK_RET( itemId.IsOk(), wxT("invalid tree item") );
-
-    bool is_single=!(GetWindowStyleFlag() & wxTR_MULTIPLE);
-    wxGenericTreeItem *item = itemId.m_pItem;
-
-    //wxCHECK_RET( ( (!unselect_others) && is_single),
-    //           wxT("this is a single selection tree") );
-
-    // to keep going anyhow !!!
-    if (is_single)
-    {
-        if (item->IsSelected())
-            return; // nothing to do
-        unselect_others = TRUE;
-        extended_select = FALSE;
-    }
-    else if ( unselect_others && item->IsSelected() )
-    {
-        // selection change if there is more than one item currently selected
-        wxArrayTreeItemIds selected_items;
-        if ( GetSelections(selected_items) == 1 )
-            return;
-    }
-
-    wxTreeEvent event( wxEVT_COMMAND_TREE_SEL_CHANGING, GetId() );
-    event.m_item = item;
-    event.m_itemOld = m_current;
-    event.SetEventObject( this );
-    // TODO : Here we don't send any selection mode yet !
-
-    if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() )
-      return;
-
-    // ctrl press
-    if (unselect_others)
-    {
-        if (is_single) Unselect(); // to speed up thing
-        else UnselectAll();
-    }
-
-    // shift press
-    if (extended_select)
-    {
-        if ( !m_current )
-        {
-            m_current =
-            m_key_current = GetRootItem().m_pItem;
-        }
-
-        // don't change the mark (m_current)
-        SelectItemRange(m_current, item);
-    }
-    else
-    {
-        bool select=TRUE; // the default
-
-        // Check if we need to toggle hilight (ctrl mode)
-        if (!unselect_others)
-          select=!item->IsSelected();
-
-        m_current = m_key_current = item;
-        m_current->SetHilight(select);
-        RefreshLine( m_current );
-    }
-
-    event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED);
-    GetEventHandler()->ProcessEvent( event );
-}
-
-void wxTreeCtrl::FillArray(wxGenericTreeItem *item,
-                           wxArrayTreeItemIds &array) const
-{
-    if ( item->IsSelected() )
-        array.Add(wxTreeItemId(item));
-
-    if ( item->HasChildren() )
-    {
-        wxArrayGenericTreeItems& children = item->GetChildren();
-        size_t count = children.GetCount();
-        for ( size_t n = 0; n < count; ++n )
-            FillArray(children[n], array);
-    }
-}
-
-size_t wxTreeCtrl::GetSelections(wxArrayTreeItemIds &array) const
-{
-  array.Empty();
-  wxTreeItemId idRoot = GetRootItem();
-  if ( idRoot.IsOk() )
-  {
-      FillArray(idRoot.m_pItem, array);
-  }
-  //else: the tree is empty, so no selections
-
-  return array.Count();
-}
-
-void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item)
-{
-    if (!item.IsOk()) return;
-
-    wxGenericTreeItem *gitem = item.m_pItem;
-
-    // first expand all parent branches
-    wxGenericTreeItem *parent = gitem->GetParent();
-    while ( parent )
-    {
-        Expand(parent);
-        parent = parent->GetParent();
-    }
-
-    //if (parent) CalculatePositions();
-
-    ScrollTo(item);
-}
-
-void wxTreeCtrl::ScrollTo(const wxTreeItemId &item)
-{
-    if (!item.IsOk()) return;
-
-    // We have to call this here because the label in
-    // question might just have been added and no screen
-    // update taken place.
-    if (m_dirty) wxYield();
-
-    wxGenericTreeItem *gitem = item.m_pItem;
-
-    // now scroll to the item
-    int item_y = gitem->GetY();
-
-    int start_x = 0;
-    int start_y = 0;
-    ViewStart( &start_x, &start_y );
-    start_y *= PIXELS_PER_UNIT;
-
-    int client_h = 0;
-    int client_w = 0;
-    GetClientSize( &client_w, &client_h );
-
-    if (item_y < start_y+3)
-    {
-        // going down
-        int x = 0;
-        int y = 0;
-        m_anchor->GetSize( x, y, this );
-        y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
-        x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
-        int x_pos = GetScrollPos( wxHORIZONTAL );
-        // Item should appear at top
-        SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT, x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT, x_pos, item_y/PIXELS_PER_UNIT );
-    }
-    else if (item_y+GetLineHeight(gitem) > start_y+client_h)
-    {
-        // going up
-        int x = 0;
-        int y = 0;
-        m_anchor->GetSize( x, y, this );
-        y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
-        x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
-        item_y += PIXELS_PER_UNIT+2;
-        int x_pos = GetScrollPos( wxHORIZONTAL );
-        // Item should appear at bottom
-        SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT, x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT, x_pos, (item_y+GetLineHeight(gitem)-client_h)/PIXELS_PER_UNIT );
-    }
-}
-
-// FIXME: tree sorting functions are not reentrant and not MT-safe!
-static wxTreeCtrl *s_treeBeingSorted = NULL;
-
-static int LINKAGEMODE tree_ctrl_compare_func(wxGenericTreeItem **item1,
-                                  wxGenericTreeItem **item2)
-{
-    wxCHECK_MSG( s_treeBeingSorted, 0, wxT("bug in wxTreeCtrl::SortChildren()") );
-
-    return s_treeBeingSorted->OnCompareItems(*item1, *item2);
-}
-
-int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
-                               const wxTreeItemId& item2)
-{
-    return wxStrcmp(GetItemText(item1), GetItemText(item2));
-}
-
-void wxTreeCtrl::SortChildren(const wxTreeItemId& itemId)
-{
-    wxCHECK_RET( itemId.IsOk(), wxT("invalid tree item") );
-
-    wxGenericTreeItem *item = itemId.m_pItem;
-
-    wxCHECK_RET( !s_treeBeingSorted,
-                 wxT("wxTreeCtrl::SortChildren is not reentrant") );
-
-    wxArrayGenericTreeItems& children = item->GetChildren();
-    if ( children.Count() > 1 )
-    {
-        s_treeBeingSorted = this;
-        children.Sort(tree_ctrl_compare_func);
-        s_treeBeingSorted = NULL;
-
-        m_dirty = TRUE;
-    }
-    //else: don't make the tree dirty as nothing changed
-}
-
-wxImageList *wxTreeCtrl::GetImageList() const
-{
-    return m_imageListNormal;
-}
-
-wxImageList *wxTreeCtrl::GetStateImageList() const
-{
-    return m_imageListState;
-}
-
-void wxTreeCtrl::SetImageList(wxImageList *imageList)
-{
-    m_imageListNormal = imageList;
-
-    if ( !m_imageListNormal )
-        return;
-
-    // Calculate a m_lineHeight value from the image sizes.
-    // May be toggle off. Then wxTreeCtrl will spread when
-    // necessary (which might look ugly).
-    wxClientDC dc(this);
-    m_lineHeight = (int)(dc.GetCharHeight() + 4);
-    int width = 0, height = 0,
-        n = m_imageListNormal->GetImageCount();
-
-    for (int i = 0; i < n ; i++)
-    {
-        m_imageListNormal->GetSize(i, width, height);
-        if (height > m_lineHeight) m_lineHeight = height;
-    }
-
-    if (m_lineHeight < 40)
-        m_lineHeight += 2;                 // at least 2 pixels
-    else
-        m_lineHeight += m_lineHeight/10;   // otherwise 10% extra spacing
-}
-
-void wxTreeCtrl::SetStateImageList(wxImageList *imageList)
-{
-    m_imageListState = imageList;
-}
-
-// -----------------------------------------------------------------------------
-// helpers
-// -----------------------------------------------------------------------------
-
-void wxTreeCtrl::AdjustMyScrollbars()
-{
-    if (m_anchor)
-    {
-        int x = 0;
-        int y = 0;
-        m_anchor->GetSize( x, y, this );
-        y += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
-        x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
-        int x_pos = GetScrollPos( wxHORIZONTAL );
-        int y_pos = GetScrollPos( wxVERTICAL );
-        SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT, x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT, x_pos, y_pos );
-    }
-    else
-    {
-        SetScrollbars( 0, 0, 0, 0 );
-    }
-}
-
-int wxTreeCtrl::GetLineHeight(wxGenericTreeItem *item) const
-{
-    if (GetWindowStyleFlag() & wxTR_HAS_VARIABLE_ROW_HEIGHT)
-        return item->GetHeight();
-    else
-        return m_lineHeight;
-}
-
-void wxTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc)
-{
-    wxTreeItemAttr *attr = item->GetAttributes();
-    if ( attr && attr->HasFont() )
-        dc.SetFont(attr->GetFont());
-    else if (item->IsBold())
-        dc.SetFont(m_boldFont);
-
-    long text_w = 0;
-    long text_h = 0;
-    dc.GetTextExtent( item->GetText(), &text_w, &text_h );
-
-    int image_h = 0;
-    int image_w = 0;
-    int image = item->GetCurrentImage();
-    if ( image != NO_IMAGE )
-    {
-        if ( m_imageListNormal )
-        {
-            m_imageListNormal->GetSize( image, image_w, image_h );
-            image_w += 4;
-        }
-        else
-        {
-            image = NO_IMAGE;
-        }
-    }
-
-    int total_h = GetLineHeight(item);
-
-    if (item->IsSelected())
-        dc.SetBrush(*m_hilightBrush);
-    else
-    {
-        wxColour colBg;
-        if ( attr && attr->HasBackgroundColour() )
-            colBg = attr->GetBackgroundColour();
-        else
-            colBg = m_backgroundColour;
-        dc.SetBrush(wxBrush(colBg, wxSOLID));
-    }
-
-    dc.DrawRectangle( item->GetX()-2, item->GetY(), item->GetWidth()+2, total_h );
-
-    if ( image != NO_IMAGE )
-    {
-        dc.SetClippingRegion( item->GetX(), item->GetY(), image_w-2, total_h );
-        m_imageListNormal->Draw( image, dc,
-                                 item->GetX(),
-                                 item->GetY() +((total_h > image_h)?((total_h-image_h)/2):0),
-                                 wxIMAGELIST_DRAW_TRANSPARENT );
-        dc.DestroyClippingRegion();
-    }
-
-    dc.SetBackgroundMode(wxTRANSPARENT);
-    int extraH = (total_h > text_h) ? (total_h - text_h)/2 : 0;
-    dc.DrawText( item->GetText(),
-                 (wxCoord)(image_w + item->GetX()),
-                 (wxCoord)(item->GetY() + extraH));
-
-    // restore normal font
-    dc.SetFont( m_normalFont );
-}
-
-// Now y stands for the top of the item, whereas it used to stand for middle !
-void wxTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
-{
-    int horizX = level*m_indent;
-
-    item->SetX( horizX+m_indent+m_spacing );
-    item->SetY( y );
-
-    int oldY = y;
-    y+=GetLineHeight(item)/2;
-
-    item->SetCross( horizX+m_indent, y );
-
-    int exposed_x = dc.LogicalToDeviceX( 0 );
-    int exposed_y = dc.LogicalToDeviceY( item->GetY() );
-
-    if (IsExposed( exposed_x, exposed_y, 10000, GetLineHeight(item) ))  // 10000 = very much
-    {
-        int startX = horizX;
-        int endX = horizX + (m_indent-5);
-
-//        if (!item->HasChildren()) endX += (m_indent+5);
-        if (!item->HasChildren()) endX += 20;
-
-        dc.DrawLine( startX, y, endX, y );
-
-        if (item->HasPlus())
-        {
-            dc.DrawLine( horizX+(m_indent+5), y, horizX+(m_indent+15), y );
-            dc.SetPen( *wxGREY_PEN );
-            dc.SetBrush( *wxWHITE_BRUSH );
-            dc.DrawRectangle( horizX+(m_indent-5), y-4, 11, 9 );
-
-            dc.SetPen( *wxBLACK_PEN );
-            dc.DrawLine( horizX+(m_indent-2), y, horizX+(m_indent+3), y );
-            if (!item->IsExpanded())
-                dc.DrawLine( horizX+m_indent, y-2, horizX+m_indent, y+3 );
-
-            dc.SetPen( m_dottedPen );
-        }
-
-        wxPen *pen = wxTRANSPARENT_PEN;
-        wxColour colText;
-
-        if ( item->IsSelected() )
-        {
-            colText = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_HIGHLIGHTTEXT );
-
-            if ( m_hasFocus )
-               pen = wxBLACK_PEN;
-
-        }
-        else
-        {
-            wxTreeItemAttr *attr = item->GetAttributes();
-            if ( attr && attr->HasTextColour() )
-                colText = attr->GetTextColour();
-            else
-                colText = *wxBLACK;
-        }
-
-        // prepare to draw
-        dc.SetTextForeground(colText);
-        dc.SetPen(*pen);
-
-        // draw
-        PaintItem(item, dc);
-
-        // restore DC objects
-        dc.SetBrush( *wxWHITE_BRUSH );
-        dc.SetPen( m_dottedPen );
-        dc.SetTextForeground( *wxBLACK );
-    }
-
-    y = oldY+GetLineHeight(item);
-
-    if (item->IsExpanded())
-    {
-        oldY+=GetLineHeight(item)/2;
-        int semiOldY=0;
-
-        wxArrayGenericTreeItems& children = item->GetChildren();
-        size_t n, count = children.Count();
-        for ( n = 0; n < count; ++n )
-        {
-            semiOldY=y;
-            PaintLevel( children[n], dc, level+1, y );
-        }
-
-        // it may happen that the item is expanded but has no items (when you
-        // delete all its children for example) - don't draw the vertical line
-        // in this case
-        if (count > 0)
-        {
-            semiOldY+=GetLineHeight(children[--n])/2;
-            dc.DrawLine( horizX+m_indent, oldY+5, horizX+m_indent, semiOldY );
-        }
-    }
-}
-
-void wxTreeCtrl::DrawDropEffect(wxGenericTreeItem *item)
-{
-    if ( item )
-    {
-        if ( item->HasPlus() )
-        {
-            // it's a folder, indicate it by a border
-            DrawBorder(item);
-        }
-        else
-        {
-            // draw a line under the drop target because the item will be
-            // dropped there
-            DrawLine(item, TRUE /* below */);
-        }
-
-        SetCursor(wxCURSOR_BULLSEYE);
-    }
-    else
-    {
-        // can't drop here
-        SetCursor(wxCURSOR_NO_ENTRY);
-    }
-}
-
-void wxTreeCtrl::DrawBorder(const wxTreeItemId &item)
-{
-    wxCHECK_RET( item.IsOk(), _T("invalid item in wxTreeCtrl::DrawLine") );
-
-    wxGenericTreeItem *i = item.m_pItem;
-
-    wxClientDC dc(this);
-    PrepareDC( dc );
-    dc.SetLogicalFunction(wxINVERT);
-    dc.SetBrush(*wxTRANSPARENT_BRUSH);
-
-    int w = i->GetWidth() + 2;
-    int h = GetLineHeight(i) + 2;
-
-    dc.DrawRectangle( i->GetX() - 1, i->GetY() - 1, w, h);
-}
-
-void wxTreeCtrl::DrawLine(const wxTreeItemId &item, bool below)
-{
-    wxCHECK_RET( item.IsOk(), _T("invalid item in wxTreeCtrl::DrawLine") );
-
-    wxGenericTreeItem *i = item.m_pItem;
-
-    wxClientDC dc(this);
-    PrepareDC( dc );
-    dc.SetLogicalFunction(wxINVERT);
-
-    int x = i->GetX(),
-        y = i->GetY();
-    if ( below )
-    {
-        y += GetLineHeight(i) - 1;
-    }
-
-    dc.DrawLine( x, y, x + i->GetWidth(), y);
-}
-
-// -----------------------------------------------------------------------------
-// wxWindows callbacks
-// -----------------------------------------------------------------------------
-
-void wxTreeCtrl::OnPaint( wxPaintEvent &WXUNUSED(event) )
-{
-    if ( !m_anchor)
-        return;
-
-    wxPaintDC dc(this);
-    PrepareDC( dc );
-
-    dc.SetFont( m_normalFont );
-    dc.SetPen( m_dottedPen );
-
-    // this is now done dynamically
-    //if(GetImageList() == NULL)
-    // m_lineHeight = (int)(dc.GetCharHeight() + 4);
-
-    int y = 2;
-    PaintLevel( m_anchor, dc, 0, y );
-}
-
-void wxTreeCtrl::OnSetFocus( wxFocusEvent &WXUNUSED(event) )
-{
-    m_hasFocus = TRUE;
-
-    if (m_current) RefreshLine( m_current );
-}
-
-void wxTreeCtrl::OnKillFocus( wxFocusEvent &WXUNUSED(event) )
-{
-    m_hasFocus = FALSE;
-
-    if (m_current) RefreshLine( m_current );
-}
-
-void wxTreeCtrl::OnChar( wxKeyEvent &event )
-{
-    wxTreeEvent te( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() );
-    te.m_code = (int)event.KeyCode();
-    te.SetEventObject( this );
-    GetEventHandler()->ProcessEvent( te );
-
-    if ( (m_current == 0) || (m_key_current == 0) )
-    {
-        event.Skip();
-        return;
-    }
-
-    // how should the selection work for this event?
-    bool is_multiple, extended_select, unselect_others;
-    EventFlagsToSelType(GetWindowStyleFlag(),
-                        event.ShiftDown(),
-                        event.ControlDown(),
-                        is_multiple, extended_select, unselect_others);
-
-    // + : Expand
-    // - : Collaspe
-    // * : Expand all/Collapse all
-    // ' ' | return : activate
-    // up    : go up (not last children!)
-    // down  : go down
-    // left  : go to parent
-    // right : open if parent and go next
-    // home  : go to root
-    // end   : go to last item without opening parents
-    switch (event.KeyCode())
-    {
-        case '+':
-        case WXK_ADD:
-            if (m_current->HasPlus() && !IsExpanded(m_current))
-            {
-                Expand(m_current);
-            }
-            break;
-
-        case '*':
-        case WXK_MULTIPLY:
-            if ( !IsExpanded(m_current) )
-            {
-                // expand all
-                ExpandAll(m_current);
-                break;
-            }
-            //else: fall through to Collapse() it
-
-        case '-':
-        case WXK_SUBTRACT:
-            if (IsExpanded(m_current))
-            {
-                Collapse(m_current);
-            }
-            break;
-
-        case ' ':
-        case WXK_RETURN:
-            {
-                wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
-                event.m_item = m_current;
-                event.m_code = 0;
-                event.SetEventObject( this );
-                GetEventHandler()->ProcessEvent( event );
-            }
-            break;
-
-            // up goes to the previous sibling or to the last of its children if
-            // it's expanded
-        case WXK_UP:
-            {
-                wxTreeItemId prev = GetPrevSibling( m_key_current );
-                if (!prev)
-                {
-                    prev = GetParent( m_key_current );
-                    if (prev)
-                    {
-                        long cockie = 0;
-                        wxTreeItemId current = m_key_current;
-                        if (current == GetFirstChild( prev, cockie ))
-                        {
-                            // otherwise we return to where we came from
-                            SelectItem( prev, unselect_others, extended_select );
-                            m_key_current=prev.m_pItem;
-                            EnsureVisible( prev );
-                            break;
-                        }
-                    }
-                }
-                if (prev)
-                {
-                    while ( IsExpanded(prev) && HasChildren(prev) )
-                    {
-                        wxTreeItemId child = GetLastChild(prev);
-                        if ( child )
-                        {
-                            prev = child;
-                        }
-                    }
-
-                    SelectItem( prev, unselect_others, extended_select );
-                    m_key_current=prev.m_pItem;
-                    EnsureVisible( prev );
-                }
-            }
-            break;
-
-            // left arrow goes to the parent
-        case WXK_LEFT:
-            {
-                wxTreeItemId prev = GetParent( m_current );
-                if (prev)
-                {
-                    EnsureVisible( prev );
-                    SelectItem( prev, unselect_others, extended_select );
-                }
-            }
-            break;
-
-        case WXK_RIGHT:
-            // this works the same as the down arrow except that we also expand the
-            // item if it wasn't expanded yet
-            Expand(m_current);
-            // fall through
-
-        case WXK_DOWN:
-            {
-                if (IsExpanded(m_key_current) && HasChildren(m_key_current))
-                {
-                    long cookie = 0;
-                    wxTreeItemId child = GetFirstChild( m_key_current, cookie );
-                    SelectItem( child, unselect_others, extended_select );
-                    m_key_current=child.m_pItem;
-                    EnsureVisible( child );
-                }
-                else
-                {
-                    wxTreeItemId next = GetNextSibling( m_key_current );
-                    if (!next)
-                    {
-                        wxTreeItemId current = m_key_current;
-                        while (current && !next)
-                        {
-                            current = GetParent( current );
-                            if (current) next = GetNextSibling( current );
-                        }
-                    }
-                    if (next)
-                    {
-                        SelectItem( next, unselect_others, extended_select );
-                        m_key_current=next.m_pItem;
-                        EnsureVisible( next );
-                    }
-                }
-            }
-            break;
-
-            // <End> selects the last visible tree item
-        case WXK_END:
-            {
-                wxTreeItemId last = GetRootItem();
-
-                while ( last.IsOk() && IsExpanded(last) )
-                {
-                    wxTreeItemId lastChild = GetLastChild(last);
-
-                    // it may happen if the item was expanded but then all of
-                    // its children have been deleted - so IsExpanded() returned
-                    // TRUE, but GetLastChild() returned invalid item
-                    if ( !lastChild )
-                        break;
-
-                    last = lastChild;
-                }
-
-                if ( last.IsOk() )
-                {
-                    EnsureVisible( last );
-                    SelectItem( last, unselect_others, extended_select );
-                }
-            }
-            break;
-
-            // <Home> selects the root item
-        case WXK_HOME:
-            {
-                wxTreeItemId prev = GetRootItem();
-                if (prev)
-                {
-                    EnsureVisible( prev );
-                    SelectItem( prev, unselect_others, extended_select );
-                }
-            }
-            break;
-
-        default:
-            event.Skip();
-    }
-}
-
-wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& flags)
-{
-    // We have to call this here because the label in
-    // question might just have been added and no screen
-    // update taken place.
-    if (m_dirty) wxYield();
-
-    wxClientDC dc(this);
-    PrepareDC(dc);
-    wxCoord x = dc.DeviceToLogicalX( point.x );
-    wxCoord y = dc.DeviceToLogicalY( point.y );
-    int w, h;
-    GetSize(&w, &h);
-
-    flags=0;
-    if (point.x<0) flags|=wxTREE_HITTEST_TOLEFT;
-    if (point.x>w) flags|=wxTREE_HITTEST_TORIGHT;
-    if (point.y<0) flags|=wxTREE_HITTEST_ABOVE;
-    if (point.y>h) flags|=wxTREE_HITTEST_BELOW;
-
-    return m_anchor->HitTest( wxPoint(x, y), this, flags);
-}
-
-/* **** */
-
-void wxTreeCtrl::Edit( const wxTreeItemId& item )
-{
-    if (!item.IsOk()) return;
-
-    m_currentEdit = item.m_pItem;
-
-    wxTreeEvent te( wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, GetId() );
-    te.m_item = m_currentEdit;
-    te.SetEventObject( this );
-    GetEventHandler()->ProcessEvent( te );
-
-    if (!te.IsAllowed()) return;
-
-    // We have to call this here because the label in
-    // question might just have been added and no screen
-    // update taken place.
-    if (m_dirty) wxYield();
-
-    wxString s = m_currentEdit->GetText();
-    int x = m_currentEdit->GetX();
-    int y = m_currentEdit->GetY();
-    int w = m_currentEdit->GetWidth();
-    int h = m_currentEdit->GetHeight();
-
-    int image_h = 0;
-    int image_w = 0;
-
-    int image = m_currentEdit->GetCurrentImage();
-    if ( image != NO_IMAGE )
-    {
-        if ( m_imageListNormal )
-        {
-            m_imageListNormal->GetSize( image, image_w, image_h );
-            image_w += 4;
-        }
-        else
-        {
-            wxFAIL_MSG(_T("you must create an image list to use images!"));
-        }
-    }
-    x += image_w;
-    w -= image_w + 4; // I don't know why +4 is needed
-
-    wxClientDC dc(this);
-    PrepareDC( dc );
-    x = dc.LogicalToDeviceX( x );
-    y = dc.LogicalToDeviceY( y );
-
-    wxTreeTextCtrl *text = new wxTreeTextCtrl(
-      this, -1, &m_renameAccept, &m_renameRes, this, s, wxPoint(x-4,y-4), wxSize(w+11,h+8) );
-    text->SetFocus();
-}
-
-void wxTreeCtrl::OnRenameTimer()
-{
-    Edit( m_current );
-}
-
-void wxTreeCtrl::OnRenameAccept()
-{
-    wxTreeEvent le( wxEVT_COMMAND_TREE_END_LABEL_EDIT, GetId() );
-    le.m_item = m_currentEdit;
-    le.SetEventObject( this );
-    le.m_label = m_renameRes;
-    GetEventHandler()->ProcessEvent( le );
-
-    if (!le.IsAllowed()) return;
-
-    SetItemText( m_currentEdit, m_renameRes );
-}
-
-void wxTreeCtrl::OnMouse( wxMouseEvent &event )
-{
-    if ( !m_anchor ) return;
-
-    // we process left mouse up event (enables in-place edit), right down
-    // (pass to the user code), left dbl click (activate item) and
-    // dragging/moving events for items drag-and-drop
-    if ( !(event.LeftDown() ||
-           event.LeftUp() ||
-           event.RightDown() ||
-           event.LeftDClick() ||
-           event.Dragging() ||
-           ((event.Moving() || event.RightUp()) && m_isDragging)) )
-    {
-        event.Skip();
-
-        return;
-    }
-
-    wxClientDC dc(this);
-    PrepareDC(dc);
-    wxCoord x = dc.DeviceToLogicalX( event.GetX() );
-    wxCoord y = dc.DeviceToLogicalY( event.GetY() );
-
-    int flags = 0;
-    wxGenericTreeItem *item = m_anchor->HitTest( wxPoint(x,y), this, flags);
-
-    if ( event.Dragging() && !m_isDragging )
-    {
-        if (m_dragCount == 0)
-            m_dragStart = wxPoint(x,y);
-
-        m_dragCount++;
-
-        if (m_dragCount != 3)
-        {
-            // wait until user drags a bit further...
-            return;
-        }
-
-        wxEventType command = event.RightIsDown()
-                              ? wxEVT_COMMAND_TREE_BEGIN_RDRAG
-                              : wxEVT_COMMAND_TREE_BEGIN_DRAG;
-
-        wxTreeEvent nevent( command, GetId() );
-        nevent.m_item = m_current;
-        nevent.SetEventObject(this);
-
-        // by default the dragging is not supported, the user code must
-        // explicitly allow the event for it to take place
-        nevent.Veto();
-
-        if ( GetEventHandler()->ProcessEvent(nevent) && nevent.IsAllowed() )
-        {
-            // we're going to drag this item
-            m_isDragging = TRUE;
-
-            // remember the old cursor because we will change it while
-            // dragging
-            m_oldCursor = m_cursor;
-
-            // in a single selection control, hide the selection temporarily
-            if ( !(GetWindowStyleFlag() & wxTR_MULTIPLE) )
-            {
-                m_oldSelection = GetSelection().m_pItem;
-
-                if ( m_oldSelection )
-                {
-                    m_oldSelection->SetHilight(FALSE);
-                    RefreshLine(m_oldSelection);
-                }
-            }
-
-            CaptureMouse();
-        }
-    }
-    else if ( event.Moving() )
-    {
-        if ( item != m_dropTarget )
-        {
-            // unhighlight the previous drop target
-            DrawDropEffect(m_dropTarget);
-
-            m_dropTarget = item;
-
-            // highlight the current drop target if any
-            DrawDropEffect(m_dropTarget);
-
-            wxYield();
-        }
-    }
-    else if ( (event.LeftUp() || event.RightUp()) && m_isDragging )
-    {
-        // erase the highlighting
-        DrawDropEffect(m_dropTarget);
-
-        // generate the drag end event
-        wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, GetId());
-
-        event.m_item = item;
-        event.m_pointDrag = wxPoint(x, y);
-        event.SetEventObject(this);
-
-        (void)GetEventHandler()->ProcessEvent(event);
-
-        m_isDragging = FALSE;
-        m_dropTarget = (wxGenericTreeItem *)NULL;
-
-        if ( m_oldSelection )
-        {
-            m_oldSelection->SetHilight(TRUE);
-            RefreshLine(m_oldSelection);
-            m_oldSelection = (wxGenericTreeItem *)NULL;
-        }
-
-        ReleaseMouse();
-
-        SetCursor(m_oldCursor);
-
-        wxYield();
-    }
-    else
-    {
-        // here we process only the messages which happen on tree items
-
-        m_dragCount = 0;
-
-        if (item == NULL) return;  /* we hit the blank area */
-
-        if ( event.RightDown() )
-        {
-            wxTreeEvent nevent(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, GetId());
-            nevent.m_item = item;
-            nevent.m_code = 0;
-            nevent.SetEventObject(this);
-            GetEventHandler()->ProcessEvent(nevent);
-        }
-        else if ( event.LeftUp() && m_lastOnSame )
-        {
-            if ( (item == m_current) &&
-                 (flags & wxTREE_HITTEST_ONITEMLABEL) &&
-                 HasFlag(wxTR_EDIT_LABELS) )
-            {
-                m_renameTimer->Start( 100, TRUE );
-            }
-
-            m_lastOnSame = FALSE;
-        }
-        else
-        {
-            if ( event.LeftDown() )
-            {
-                m_lastOnSame = item == m_current;
-            }
-
-            // how should the selection work for this event?
-            bool is_multiple, extended_select, unselect_others;
-            EventFlagsToSelType(GetWindowStyleFlag(),
-                                event.ShiftDown(),
-                                event.ControlDown(),
-                                is_multiple, extended_select, unselect_others);
-
-            if ( (flags & wxTREE_HITTEST_ONITEMBUTTON) && event.LeftDown() )
-            {
-                Toggle( item );
-                if ( is_multiple )
-                    return;
-            }
-
-            SelectItem(item, unselect_others, extended_select);
-
-            if ( event.LeftDClick() )
-            {
-                // double clicking should not start editing the item label
-                m_renameTimer->Stop();
-                m_lastOnSame = FALSE;
-
-                wxTreeEvent nevent( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
-                nevent.m_item = item;
-                nevent.m_code = 0;
-                nevent.SetEventObject( this );
-                GetEventHandler()->ProcessEvent( nevent );
-            }
-        }
-    }
-}
-
-void wxTreeCtrl::OnIdle( wxIdleEvent &WXUNUSED(event) )
-{
-    /* after all changes have been done to the tree control,
-     * we actually redraw the tree when everything is over */
-
-    if (!m_dirty)
-        return;
-
-    m_dirty = FALSE;
-
-    CalculatePositions();
-    Refresh();
-    AdjustMyScrollbars();
-}
-
-void wxTreeCtrl::CalculateSize( wxGenericTreeItem *item, wxDC &dc )
-{
-    wxCoord text_w = 0;
-    wxCoord text_h = 0;
-
-    if (item->IsBold())
-        dc.SetFont(m_boldFont);
-
-    dc.GetTextExtent( item->GetText(), &text_w, &text_h );
-    text_h+=2;
-
-    // restore normal font
-    dc.SetFont( m_normalFont );
-
-    int image_h = 0;
-    int image_w = 0;
-    int image = item->GetCurrentImage();
-    if ( image != NO_IMAGE )
-    {
-        if ( m_imageListNormal )
-        {
-            m_imageListNormal->GetSize( image, image_w, image_h );
-            image_w += 4;
-        }
-    }
-
-    int total_h = (image_h > text_h) ? image_h : text_h;
-
-    if (total_h < 40)
-        total_h += 2;            // at least 2 pixels
-    else
-        total_h += total_h/10;   // otherwise 10% extra spacing
-
-    item->SetHeight(total_h);
-    if (total_h>m_lineHeight)
-        m_lineHeight=total_h;
-
-    item->SetWidth(image_w+text_w+2);
-}
-
-// -----------------------------------------------------------------------------
-// for developper : y is now the top of the level
-// not the middle of it !
-void wxTreeCtrl::CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
-{
-    int horizX = level*m_indent;
-
-    CalculateSize( item, dc );
-
-    // set its position
-    item->SetX( horizX+m_indent+m_spacing );
-    item->SetY( y );
-    y+=GetLineHeight(item);
-
-    if ( !item->IsExpanded() )
-    {
-        // we dont need to calculate collapsed branches
-        return;
-    }
-
-    wxArrayGenericTreeItems& children = item->GetChildren();
-    size_t n, count = children.Count();
-    for (n = 0; n < count; ++n )
-        CalculateLevel( children[n], dc, level+1, y );  // recurse
-}
-
-void wxTreeCtrl::CalculatePositions()
-{
-    if ( !m_anchor ) return;
-
-    wxClientDC dc(this);
-    PrepareDC( dc );
-
-    dc.SetFont( m_normalFont );
-
-    dc.SetPen( m_dottedPen );
-    //if(GetImageList() == NULL)
-    // m_lineHeight = (int)(dc.GetCharHeight() + 4);
-
-    int y = 2;
-    CalculateLevel( m_anchor, dc, 0, y ); // start recursion
-}
-
-void wxTreeCtrl::RefreshSubtree(wxGenericTreeItem *item)
-{
-    if (m_dirty) return;
-
-    wxClientDC dc(this);
-    PrepareDC(dc);
-
-    int cw = 0;
-    int ch = 0;
-    GetClientSize( &cw, &ch );
-
-    wxRect rect;
-    rect.x = dc.LogicalToDeviceX( 0 );
-    rect.width = cw;
-    rect.y = dc.LogicalToDeviceY( item->GetY() );
-    rect.height = ch;
-
-    Refresh( TRUE, &rect );
-
-    AdjustMyScrollbars();
-}
-
-void wxTreeCtrl::RefreshLine( wxGenericTreeItem *item )
-{
-    if (m_dirty) return;
-
-    wxClientDC dc(this);
-    PrepareDC( dc );
-
-    int cw = 0;
-    int ch = 0;
-    GetClientSize( &cw, &ch );
-
-    wxRect rect;
-    rect.x = dc.LogicalToDeviceX( 0 );
-    rect.y = dc.LogicalToDeviceY( item->GetY() );
-    rect.width = cw;
-    rect.height = GetLineHeight(item); //dc.GetCharHeight() + 6;
-
-    Refresh( TRUE, &rect );
-}
-