define MIIM_BITMAP &c in wx/msw/missing.h instead of msw/menu.cpp as menuitem.cpp...

[wxWidgets.git] / src / generic / treectlg.cpp

diff --git a/src/generic/treectlg.cpp b/src/generic/treectlg.cpp
index b7140c589af5e803d5601749609ea9dc00cf9ffc..c143230058fd2718c2b40878ba172f75d96a25c4 100644 (file)
--- a/src/generic/treectlg.cpp
+++ b/src/generic/treectlg.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        treectlg.cpp
+// Name:        src/generic/treectlg.cpp

 // Purpose:     generic tree control implementation
 // Author:      Robert Roebling
 // Created:     01/02/97
 // Purpose:     generic tree control implementation
 // Author:      Robert Roebling
 // Created:     01/02/97


@@ -17,10 +17,6 @@
 // headers
 // -----------------------------------------------------------------------------
 
 // headers
 // -----------------------------------------------------------------------------
 

-#ifdef __GNUG__
-  #pragma implementation "treectlg.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -30,25 +26,32 @@
 
 #if wxUSE_TREECTRL
 
 
 #if wxUSE_TREECTRL
 

-#include "wx/treebase.h"
+#include "wx/treectrl.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/dcclient.h"
+    #include "wx/timer.h"
+    #include "wx/settings.h"
+    #include "wx/listbox.h"
+    #include "wx/textctrl.h"
+#endif
+

 #include "wx/generic/treectlg.h"
 #include "wx/generic/treectlg.h"

-#include "wx/timer.h"
-#include "wx/textctrl.h"

 #include "wx/imaglist.h"
 #include "wx/imaglist.h"

-#include "wx/settings.h"
-#include "wx/dcclient.h"
+
+#include "wx/renderer.h"

 
 #ifdef __WXMAC__
 
 #ifdef __WXMAC__

-    #include "wx/mac/private.h"
+    #include "wx/osx/private.h"

 #endif
 
 // -----------------------------------------------------------------------------
 // array types
 // -----------------------------------------------------------------------------
 
 #endif
 
 // -----------------------------------------------------------------------------
 // array types
 // -----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxGenericTreeItem;
+class WXDLLIMPEXP_FWD_CORE wxGenericTreeItem;

 
 

-WX_DEFINE_EXPORTED_ARRAY(wxGenericTreeItem *, wxArrayGenericTreeItems);
+WX_DEFINE_ARRAY_PTR(wxGenericTreeItem *, wxArrayGenericTreeItems);

 
 // ----------------------------------------------------------------------------
 // constants
 
 // ----------------------------------------------------------------------------
 // constants


@@ -58,53 +61,11 @@ static const int NO_IMAGE = -1;
 
 static const int PIXELS_PER_UNIT = 10;
 
 
 static const int PIXELS_PER_UNIT = 10;
 

-// ----------------------------------------------------------------------------
-// Aqua arrows
-// ----------------------------------------------------------------------------
-
-/* XPM */
-static const char *aqua_arrow_right[] = {
-/* columns rows colors chars-per-pixel */
-"13 11 4 1",
-"  c None",
-"b c #C0C0C0",
-"c c #707070",
-"d c #A0A0A0",
-/* pixels */
-"    b        ",
-"    ddb      ",
-"    cccdb    ",
-"    cccccd   ",
-"    ccccccdb ",
-"    ccccccccd",
-"    ccccccdb ",
-"    cccccb   ",
-"    cccdb    ",
-"    ddb      ",
-"    b        "
-};
+// the margin between the item state image and the item normal image
+static const int MARGIN_BETWEEN_STATE_AND_IMAGE = 2;

 
 

-/* XPM */
-static const char *aqua_arrow_down[] = {
-/* columns rows colors chars-per-pixel */
-"13 11 4 1",
-"  c None",
-"b c #C0C0C0",
-"c c #707070",
-"d c #A0A0A0",
-/* pixels */
-"             ",
-"             ",
-" bdcccccccdb ",
-"  dcccccccd  ",
-"  bcccccccb  ",
-"   dcccccd   ",
-"   bcccccb   ",
-"    bcccd    ",
-"     dcd     ",
-"     bcb     ",
-"      d      "
-};
+// the margin between the item image and the item text
+static const int MARGIN_BETWEEN_IMAGE_AND_TEXT = 4;

 
 // -----------------------------------------------------------------------------
 // private classes
 
 // -----------------------------------------------------------------------------
 // private classes


@@ -134,19 +95,23 @@ class WXDLLEXPORT wxTreeTextCtrl: public wxTextCtrl
 public:
     wxTreeTextCtrl(wxGenericTreeCtrl *owner, wxGenericTreeItem *item);
 
 public:
     wxTreeTextCtrl(wxGenericTreeCtrl *owner, wxGenericTreeItem *item);
 

+    void EndEdit( bool discardChanges );
+
+    const wxGenericTreeItem* item() const { return m_itemEdited; }
+

 protected:
     void OnChar( wxKeyEvent &event );
     void OnKeyUp( wxKeyEvent &event );
     void OnKillFocus( wxFocusEvent &event );
 
     bool AcceptChanges();
 protected:
     void OnChar( wxKeyEvent &event );
     void OnKeyUp( wxKeyEvent &event );
     void OnKillFocus( wxFocusEvent &event );
 
     bool AcceptChanges();

-    void Finish();
+    void Finish( bool setfocus );

 
 private:
     wxGenericTreeCtrl  *m_owner;
     wxGenericTreeItem  *m_itemEdited;
     wxString            m_startValue;
 
 private:
     wxGenericTreeCtrl  *m_owner;
     wxGenericTreeItem  *m_itemEdited;
     wxString            m_startValue;

-    bool                m_finished;
+    bool                m_aboutToFinish;

 
     DECLARE_EVENT_TABLE()
     DECLARE_NO_COPY_CLASS(wxTreeTextCtrl)
 
     DECLARE_EVENT_TABLE()
     DECLARE_NO_COPY_CLASS(wxTreeTextCtrl)


@@ -175,7 +140,13 @@ class WXDLLEXPORT wxGenericTreeItem
 {
 public:
     // ctors & dtor
 {
 public:
     // ctors & dtor

-    wxGenericTreeItem() { m_data = NULL; }
+    wxGenericTreeItem()
+    {
+        m_data = NULL;
+        m_widthText =
+        m_heightText = -1;
+    }
+

     wxGenericTreeItem( wxGenericTreeItem *parent,
                        const wxString& text,
                        int image,
     wxGenericTreeItem( wxGenericTreeItem *parent,
                        const wxString& text,
                        int image,


@@ -191,18 +162,36 @@ public:
     int GetImage(wxTreeItemIcon which = wxTreeItemIcon_Normal) const
         { return m_images[which]; }
     wxTreeItemData *GetData() const { return m_data; }
     int GetImage(wxTreeItemIcon which = wxTreeItemIcon_Normal) const
         { return m_images[which]; }
     wxTreeItemData *GetData() const { return m_data; }

+    int GetState() const { return m_state; }

 
     // returns the current image for the item (depending on its
     // selected/expanded/whatever state)
     int GetCurrentImage() const;
 
 
     // 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 SetText(const wxString& text)
+    {
+        m_text = text;
+
+        ResetTextSize();
+    }
+
+    void SetImage(int image, wxTreeItemIcon which)
+    {
+        m_images[which] = image;
+        m_width = 0;
+    }
+

     void SetData(wxTreeItemData *data) { m_data = data; }
     void SetData(wxTreeItemData *data) { m_data = data; }

+    void SetState(int state) { m_state = state; m_width = 0; }
+
+    void SetHasPlus(bool has = true) { m_hasPlus = has; }

 
 

-    void SetHasPlus(bool has = TRUE) { m_hasPlus = has; }
+    void SetBold(bool bold)
+    {
+        m_isBold = bold;

 
 

-    void SetBold(bool bold) { m_isBold = bold; }
+        ResetTextSize();
+    }

 
     int GetX() const { return m_x; }
     int GetY() const { return m_y; }
 
     int GetX() const { return m_x; }
     int GetY() const { return m_y; }


@@ -210,39 +199,80 @@ public:
     void SetX(int x) { m_x = x; }
     void SetY(int y) { m_y = 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; }
+    int GetHeight() const { return m_height; }
+    int GetWidth() const { return m_width; }
+
+    int GetTextHeight() const
+    {
+        wxASSERT_MSG( m_heightText != -1, "must call CalculateSize() first" );
+
+        return m_heightText;
+    }
+
+    int GetTextWidth() const
+    {
+        wxASSERT_MSG( m_widthText != -1, "must call CalculateSize() first" );

 
 

-    void SetHeight(int h) { m_height = h; }
-    void SetWidth(int w) { m_width = w; }
+        return m_widthText;
+    }

 
     wxGenericTreeItem *GetParent() const { return m_parent; }
 
 
     wxGenericTreeItem *GetParent() const { return m_parent; }
 

+    // sets the items font for the specified DC if it uses any special font or
+    // simply returns false otherwise
+    bool SetFont(wxGenericTreeCtrl *control, wxDC& dc) const
+    {
+        wxFont font;
+
+        wxTreeItemAttr * const attr = GetAttributes();
+        if ( attr && attr->HasFont() )
+            font = attr->GetFont();
+        else if ( IsBold() )
+            font = control->m_boldFont;
+        else
+            return false;
+
+        dc.SetFont(font);
+        return true;
+    }
+

     // operations
     // operations

-        // deletes all children notifying the treectrl about it if !NULL
-        // pointer given
-    void DeleteChildren(wxGenericTreeCtrl *tree = NULL);
+
+    // deletes all children notifying the treectrl about it
+    void DeleteChildren(wxGenericTreeCtrl *tree);

 
     // get count of all children (and grand children if 'recursively')
 
     // get count of all children (and grand children if 'recursively')

-    size_t GetChildrenCount(bool recursively = TRUE) const;
+    size_t GetChildrenCount(bool recursively = true) const;

 
     void Insert(wxGenericTreeItem *child, size_t index)
 
     void Insert(wxGenericTreeItem *child, size_t index)

-    { m_children.Insert(child, index); }
+        { m_children.Insert(child, index); }
+
+    // calculate and cache the item size using either the provided DC (which is
+    // supposed to have wxGenericTreeCtrl::m_normalFont selected into it!) or a
+    // wxClientDC on the control window
+    void CalculateSize(wxGenericTreeCtrl *control, wxDC& dc)
+        { DoCalculateSize(control, dc, true /* dc uses normal font */); }
+    void CalculateSize(wxGenericTreeCtrl *control);

 
     void GetSize( int &x, int &y, const wxGenericTreeCtrl* );
 
 
     void GetSize( int &x, int &y, const wxGenericTreeCtrl* );
 

+    void ResetSize() { m_width = 0; }
+    void ResetTextSize() { m_width = 0; m_widthText = -1; }
+    void RecursiveResetSize();
+    void RecursiveResetTextSize();
+

         // return the item at given position (or NULL if no item), onButton is
         // 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
+        // true if the point belongs to the item's button, otherwise it lies
+        // on the item's label

     wxGenericTreeItem *HitTest( const wxPoint& point,
                                 const wxGenericTreeCtrl *,
                                 int &flags,
                                 int level );
 
     wxGenericTreeItem *HitTest( const wxPoint& point,
                                 const wxGenericTreeCtrl *,
                                 int &flags,
                                 int level );
 

-    void Expand() { m_isCollapsed = FALSE; }
-    void Collapse() { m_isCollapsed = TRUE; }
+    void Expand() { m_isCollapsed = false; }
+    void Collapse() { m_isCollapsed = true; }

 
 

-    void SetHilight( bool set = TRUE ) { m_hasHilight = set; }
+    void SetHilight( bool set = true ) { m_hasHilight = set; }

 
     // status inquiries
     bool HasChildren() const { return !m_children.IsEmpty(); }
 
     // status inquiries
     bool HasChildren() const { return !m_children.IsEmpty(); }


@@ -260,7 +290,7 @@ public:
         if ( !m_attr )
         {
             m_attr = new wxTreeItemAttr;
         if ( !m_attr )
         {
             m_attr = new wxTreeItemAttr;

-            m_ownsAttr = TRUE;
+            m_ownsAttr = true;

         }
         return *m_attr;
     }
         }
         return *m_attr;
     }


@@ -269,23 +299,40 @@ public:
     {
         if ( m_ownsAttr ) delete m_attr;
         m_attr = attr;
     {
         if ( m_ownsAttr ) delete m_attr;
         m_attr = attr;

-        m_ownsAttr = FALSE;
+        m_ownsAttr = false;
+        m_width = 0;
+        m_widthText = -1;

     }
         // set them and delete when done
     void AssignAttributes(wxTreeItemAttr *attr)
     {
         SetAttributes(attr);
     }
         // set them and delete when done
     void AssignAttributes(wxTreeItemAttr *attr)
     {
         SetAttributes(attr);

-        m_ownsAttr = TRUE;
+        m_ownsAttr = true;
+        m_width = 0;
+        m_widthText = -1;

     }
 
 private:
     }
 
 private:

+    // calculate the size of this item, i.e. set m_width, m_height and
+    // m_widthText and m_heightText properly
+    //
+    // if dcUsesNormalFont is true, the current dc font must be the normal tree
+    // control font
+    void DoCalculateSize(wxGenericTreeCtrl *control,
+                         wxDC& dc,
+                         bool dcUsesNormalFont);
+

     // since there can be very many of these, we save size by chosing
     // the smallest representation for the elements and by ordering
     // the members to avoid padding.
     wxString            m_text;         // label to be rendered for item
     // since there can be very many of these, we save size by chosing
     // the smallest representation for the elements and by ordering
     // the members to avoid padding.
     wxString            m_text;         // label to be rendered for item

+    int                 m_widthText;
+    int                 m_heightText;

 
     wxTreeItemData     *m_data;         // user-provided data
 
 
     wxTreeItemData     *m_data;         // user-provided data
 

+    int                 m_state;        // item state
+

     wxArrayGenericTreeItems m_children; // list of children
     wxGenericTreeItem  *m_parent;       // parent of this item
 
     wxArrayGenericTreeItems m_children; // list of children
     wxGenericTreeItem  *m_parent;       // parent of this item
 


@@ -293,20 +340,20 @@ private:
 
     // tree ctrl images for the normal, selected, expanded and
     // expanded+selected states
 
     // tree ctrl images for the normal, selected, expanded and
     // expanded+selected states

-    short               m_images[wxTreeItemIcon_Max];
+    int                 m_images[wxTreeItemIcon_Max];

 
     wxCoord             m_x;            // (virtual) offset from top
     wxCoord             m_y;            // (virtual) offset from left
 
     wxCoord             m_x;            // (virtual) offset from top
     wxCoord             m_y;            // (virtual) offset from left

-    short               m_width;        // width of this item
-    unsigned char       m_height;       // height of this item
+    int                 m_width;        // width of this item
+    int                 m_height;       // height of this item

 
     // use bitfields to save size
 
     // 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
+    unsigned int        m_isCollapsed :1;
+    unsigned int        m_hasHilight  :1; // same as focused
+    unsigned int        m_hasPlus     :1; // used for item which doesn't have

                                           // children but has a [+] button
                                           // children but has a [+] button

-    int                 m_isBold      :1; // render the label in bold font
-    int                 m_ownsAttr    :1; // delete attribute when done
+    unsigned int        m_isBold      :1; // render the label in bold font
+    unsigned int        m_ownsAttr    :1; // delete attribute when done

 
     DECLARE_NO_COPY_CLASS(wxGenericTreeItem)
 };
 
     DECLARE_NO_COPY_CLASS(wxGenericTreeItem)
 };


@@ -334,20 +381,21 @@ static void EventFlagsToSelType(long style,
 }
 
 // check if the given item is under another one
 }
 
 // check if the given item is under another one

-static bool IsDescendantOf(wxGenericTreeItem *parent, wxGenericTreeItem *item)
+static bool
+IsDescendantOf(const wxGenericTreeItem *parent, const wxGenericTreeItem *item)

 {
     while ( item )
     {
         if ( item == parent )
         {
             // item is a descendant of parent
 {
     while ( item )
     {
         if ( item == parent )
         {
             // item is a descendant of parent

-            return TRUE;
+            return true;

         }
 
         item = item->GetParent();
     }
 
         }
 
         item = item->GetParent();
     }
 

-    return FALSE;
+    return false;

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


@@ -379,37 +427,54 @@ wxTreeTextCtrl::wxTreeTextCtrl(wxGenericTreeCtrl *owner,
               : m_itemEdited(item), m_startValue(item->GetText())
 {
     m_owner = owner;
               : m_itemEdited(item), m_startValue(item->GetText())
 {
     m_owner = owner;

-    m_finished = FALSE;
+    m_aboutToFinish = false;

 
 

-    int w = m_itemEdited->GetWidth(),
-        h = m_itemEdited->GetHeight();
+    wxRect rect;
+    m_owner->GetBoundingRect(m_itemEdited, rect, true);
+
+    // corrects position and size for better appearance
+#ifdef __WXMSW__
+    rect.x -= 5;
+    rect.width += 10;
+#elif defined(__WXGTK__)
+    rect.x -= 5;
+    rect.y -= 2;
+    rect.width  += 8;
+    rect.height += 4;
+#elif defined(__WXMAC__)
+    int bestHeight = GetBestSize().y - 8;
+    if ( rect.height > bestHeight )
+    {
+        int diff = rect.height - bestHeight;
+        rect.height -= diff;
+        rect.y += diff / 2;
+    }
+#endif // platforms

 
 

-    int x, y;
-    m_owner->CalcScrolledPosition(item->GetX(), item->GetY(), &x, &y);
+    (void)Create(m_owner, wxID_ANY, m_startValue,
+                 rect.GetPosition(), rect.GetSize());

 
 

-    int image_h = 0,
-        image_w = 0;
+    SetSelection(-1, -1);
+}

 
 

-    int image = item->GetCurrentImage();
-    if ( image != NO_IMAGE )
+void wxTreeTextCtrl::EndEdit(bool discardChanges)
+{
+    m_aboutToFinish = true;
+
+    if ( discardChanges )

     {
     {

-        if ( m_owner->m_imageListNormal )
-        {
-            m_owner->m_imageListNormal->GetSize( image, image_w, image_h );
-            image_w += 4;
-        }
-        else
-        {
-            wxFAIL_MSG(_T("you must create an image list to use images!"));
-        }
-    }
+        m_owner->OnRenameCancelled(m_itemEdited);

 
 

-    // FIXME: what are all these hardcoded 4, 8 and 11s really?
-    x += image_w;
-    w -= image_w + 4;
+        Finish( true );
+    }
+    else
+    {
+        // Notify the owner about the changes
+        AcceptChanges();

 
 

-    (void)Create(m_owner, wxID_ANY, m_startValue,
-                 wxPoint(x - 4, y - 4), wxSize(w + 11, h + 8));
+        // Even if vetoed, close the control (consistent with MSW)
+        Finish( true );
+    }

 }
 
 bool wxTreeTextCtrl::AcceptChanges()
 }
 
 bool wxTreeTextCtrl::AcceptChanges()


@@ -419,33 +484,35 @@ bool wxTreeTextCtrl::AcceptChanges()
     if ( value == m_startValue )
     {
         // nothing changed, always accept
     if ( value == m_startValue )
     {
         // nothing changed, always accept

-        return TRUE;
+        // when an item remains unchanged, the owner
+        // needs to be notified that the user decided
+        // not to change the tree item label, and that
+        // the edit has been cancelled
+
+        m_owner->OnRenameCancelled(m_itemEdited);
+        return true;

     }
 
     if ( !m_owner->OnRenameAccept(m_itemEdited, value) )
     {
         // vetoed by the user
     }
 
     if ( !m_owner->OnRenameAccept(m_itemEdited, value) )
     {
         // vetoed by the user

-        return FALSE;
+        return false;

     }
 
     // accepted, do rename the item
     m_owner->SetItemText(m_itemEdited, value);
 
     }
 
     // accepted, do rename the item
     m_owner->SetItemText(m_itemEdited, value);
 

-    return TRUE;
+    return true;

 }
 
 }
 

-void wxTreeTextCtrl::Finish()
+void wxTreeTextCtrl::Finish( bool setfocus )

 {
 {

-    if ( !m_finished )
-    {
-        m_owner->ResetTextControl();
+    m_owner->ResetTextControl();

 
 

-        wxPendingDelete.Append(this);
+    wxPendingDelete.Append(this);

 
 

-        m_finished = TRUE;
-
-        m_owner->SetFocus(); // This doesn't work. TODO.
-    }
+    if (setfocus)
+        m_owner->SetFocus();

 }
 
 void wxTreeTextCtrl::OnChar( wxKeyEvent &event )
 }
 
 void wxTreeTextCtrl::OnChar( wxKeyEvent &event )


@@ -453,16 +520,11 @@ void wxTreeTextCtrl::OnChar( wxKeyEvent &event )
     switch ( event.m_keyCode )
     {
         case WXK_RETURN:
     switch ( event.m_keyCode )
     {
         case WXK_RETURN:

-            if ( !AcceptChanges() )
-            {
-                // vetoed by the user, don't disappear
-                break;
-            }
-            //else: fall through
+            EndEdit( false );
+            break;

 
         case WXK_ESCAPE:
 
         case WXK_ESCAPE:

-            Finish();
-            m_owner->OnRenameCancelled(m_itemEdited);
+            EndEdit( true );

             break;
 
         default:
             break;
 
         default:


@@ -472,7 +534,7 @@ void wxTreeTextCtrl::OnChar( wxKeyEvent &event )
 
 void wxTreeTextCtrl::OnKeyUp( wxKeyEvent &event )
 {
 
 void wxTreeTextCtrl::OnKeyUp( wxKeyEvent &event )
 {

-    if ( !m_finished )
+    if ( !m_aboutToFinish )

     {
         // auto-grow the textctrl:
         wxSize parentSize = m_owner->GetSize();
     {
         // auto-grow the textctrl:
         wxSize parentSize = m_owner->GetSize();


@@ -484,7 +546,7 @@ void wxTreeTextCtrl::OnKeyUp( wxKeyEvent &event )
             sx = parentSize.x - myPos.x;
         if (mySize.x > sx)
             sx = mySize.x;
             sx = parentSize.x - myPos.x;
         if (mySize.x > sx)
             sx = mySize.x;

-        SetSize(sx, -1);
+        SetSize(sx, wxDefaultCoord);

     }
 
     event.Skip();
     }
 
     event.Skip();


@@ -492,16 +554,16 @@ void wxTreeTextCtrl::OnKeyUp( wxKeyEvent &event )
 
 void wxTreeTextCtrl::OnKillFocus( wxFocusEvent &event )
 {
 
 void wxTreeTextCtrl::OnKillFocus( wxFocusEvent &event )
 {

-    if ( m_finished )
+    if ( !m_aboutToFinish )

     {
     {

-        event.Skip();
-        return;
-    }
+        if ( !AcceptChanges() )
+            m_owner->OnRenameCancelled( m_itemEdited );

 
 

-    if ( AcceptChanges() )
-    {
-        Finish();
+        Finish( false );

     }
     }

+
+    // We should let the native text control handle focus, too.
+    event.Skip();

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


@@ -520,21 +582,25 @@ wxGenericTreeItem::wxGenericTreeItem(wxGenericTreeItem *parent,
     m_images[wxTreeItemIcon_SelectedExpanded] = NO_IMAGE;
 
     m_data = data;
     m_images[wxTreeItemIcon_SelectedExpanded] = NO_IMAGE;
 
     m_data = data;

+    m_state = wxTREE_ITEMSTATE_NONE;

     m_x = m_y = 0;
 
     m_x = m_y = 0;
 

-    m_isCollapsed = TRUE;
-    m_hasHilight = FALSE;
-    m_hasPlus = FALSE;
-    m_isBold = FALSE;
+    m_isCollapsed = true;
+    m_hasHilight = false;
+    m_hasPlus = false;
+    m_isBold = false;

 
     m_parent = parent;
 
 
     m_parent = parent;
 

-    m_attr = (wxTreeItemAttr *)NULL;
-    m_ownsAttr = FALSE;
+    m_attr = NULL;
+    m_ownsAttr = false;

 
     // We don't know the height here yet.
     m_width = 0;
     m_height = 0;
 
     // We don't know the height here yet.
     m_width = 0;
     m_height = 0;

+
+    m_widthText = -1;
+    m_heightText = -1;

 }
 
 wxGenericTreeItem::~wxGenericTreeItem()
 }
 
 wxGenericTreeItem::~wxGenericTreeItem()


@@ -544,33 +610,29 @@ wxGenericTreeItem::~wxGenericTreeItem()
     if (m_ownsAttr) delete m_attr;
 
     wxASSERT_MSG( m_children.IsEmpty(),
     if (m_ownsAttr) delete m_attr;
 
     wxASSERT_MSG( m_children.IsEmpty(),

-                  wxT("please call DeleteChildren() before deleting the item") );
+                  "must call DeleteChildren() before deleting the item" );

 }
 
 void wxGenericTreeItem::DeleteChildren(wxGenericTreeCtrl *tree)
 {
 }
 
 void wxGenericTreeItem::DeleteChildren(wxGenericTreeCtrl *tree)
 {

-    size_t count = m_children.Count();
+    size_t count = m_children.GetCount();

     for ( size_t n = 0; n < count; n++ )
     {
         wxGenericTreeItem *child = m_children[n];
     for ( size_t n = 0; n < count; n++ )
     {
         wxGenericTreeItem *child = m_children[n];

-        if (tree)
-            tree->SendDeleteEvent(child);
+        tree->SendDeleteEvent(child);

 
         child->DeleteChildren(tree);
 
         child->DeleteChildren(tree);

+        if ( child == tree->m_select_me )
+            tree->m_select_me = NULL;

         delete child;
     }
 
     m_children.Empty();
 }
 
         delete child;
     }
 
     m_children.Empty();
 }
 

-void wxGenericTreeItem::SetText( const wxString &text )
-{
-    m_text = text;
-}
-

 size_t wxGenericTreeItem::GetChildrenCount(bool recursively) const
 {
 size_t wxGenericTreeItem::GetChildrenCount(bool recursively) const
 {

-    size_t count = m_children.Count();
+    size_t count = m_children.GetCount();

     if ( !recursively )
         return count;
 
     if ( !recursively )
         return count;
 


@@ -593,7 +655,7 @@ void wxGenericTreeItem::GetSize( int &x, int &y,
 
     if (IsExpanded())
     {
 
     if (IsExpanded())
     {

-        size_t count = m_children.Count();
+        size_t count = m_children.GetCount();

         for ( size_t n = 0; n < count; ++n )
         {
             m_children[n]->GetSize( x, y, theButton );
         for ( size_t n = 0; n < count; ++n )
         {
             m_children[n]->GetSize( x, y, theButton );


@@ -619,11 +681,19 @@ wxGenericTreeItem *wxGenericTreeItem::HitTest(const wxPoint& point,
             else
                 flags |= wxTREE_HITTEST_ONITEMLOWERPART;
 
             else
                 flags |= wxTREE_HITTEST_ONITEMLOWERPART;
 

-            // 5 is the size of the plus sign

             int xCross = m_x - theCtrl->GetSpacing();
             int xCross = m_x - theCtrl->GetSpacing();

-            if ((point.x > xCross-5) && (point.x < xCross+5) &&
-                (point.y > y_mid-5) && (point.y < y_mid+5) &&
+#ifdef __WXMAC__
+            // according to the drawing code the triangels are drawn
+            // at -4 , -4  from the position up to +10/+10 max
+            if ((point.x > xCross-4) && (point.x < xCross+10) &&
+                (point.y > y_mid-4) && (point.y < y_mid+10) &&
+                HasPlus() && theCtrl->HasButtons() )
+#else
+            // 5 is the size of the plus sign
+            if ((point.x > xCross-6) && (point.x < xCross+6) &&
+                (point.y > y_mid-6) && (point.y < y_mid+6) &&

                 HasPlus() && theCtrl->HasButtons() )
                 HasPlus() && theCtrl->HasButtons() )

+#endif

             {
                 flags |= wxTREE_HITTEST_ONITEMBUTTON;
                 return this;
             {
                 flags |= wxTREE_HITTEST_ONITEMBUTTON;
                 return this;


@@ -636,10 +706,29 @@ wxGenericTreeItem *wxGenericTreeItem::HitTest(const wxPoint& point,
 
                 // assuming every image (normal and selected) has the same size!
                 if ( (GetImage() != NO_IMAGE) && theCtrl->m_imageListNormal )
 
                 // assuming every image (normal and selected) has the same size!
                 if ( (GetImage() != NO_IMAGE) && theCtrl->m_imageListNormal )

+                {

                     theCtrl->m_imageListNormal->GetSize(GetImage(),
                                                         image_w, image_h);
                     theCtrl->m_imageListNormal->GetSize(GetImage(),
                                                         image_w, image_h);

+                }

 
 

-                if ((image_w != -1) && (point.x <= m_x + image_w + 1))
+                int state_w = -1;
+                int state_h;
+
+                if ( (GetState() != wxTREE_ITEMSTATE_NONE) &&
+                        theCtrl->m_imageListState )
+                {
+                    theCtrl->m_imageListState->GetSize(GetState(),
+                                                       state_w, state_h);
+                }
+
+                if ((state_w != -1) && (point.x <= m_x + state_w + 1))
+                    flags |= wxTREE_HITTEST_ONITEMSTATEICON;
+                else if ((image_w != -1) &&
+                         (point.x <= m_x +
+                            (state_w != -1 ? state_w +
+                                                MARGIN_BETWEEN_STATE_AND_IMAGE
+                                           : 0)
+                                            + image_w + 1))

                     flags |= wxTREE_HITTEST_ONITEMICON;
                 else
                     flags |= wxTREE_HITTEST_ONITEMLABEL;
                     flags |= wxTREE_HITTEST_ONITEMICON;
                 else
                     flags |= wxTREE_HITTEST_ONITEMLABEL;


@@ -656,11 +745,11 @@ wxGenericTreeItem *wxGenericTreeItem::HitTest(const wxPoint& point,
         }
 
         // if children are expanded, fall through to evaluate them
         }
 
         // if children are expanded, fall through to evaluate them

-        if (m_isCollapsed) return (wxGenericTreeItem*) NULL;
+        if (m_isCollapsed) return NULL;

     }
 
     // evaluate children
     }
 
     // evaluate children

-    size_t count = m_children.Count();
+    size_t count = m_children.GetCount();

     for ( size_t n = 0; n < count; n++ )
     {
         wxGenericTreeItem *res = m_children[n]->HitTest( point,
     for ( size_t n = 0; n < count; n++ )
     {
         wxGenericTreeItem *res = m_children[n]->HitTest( point,


@@ -671,7 +760,7 @@ wxGenericTreeItem *wxGenericTreeItem::HitTest(const wxPoint& point,
             return res;
     }
 
             return res;
     }
 

-    return (wxGenericTreeItem*) NULL;
+    return NULL;

 }
 
 int wxGenericTreeItem::GetCurrentImage() const
 }
 
 int wxGenericTreeItem::GetCurrentImage() const


@@ -704,21 +793,122 @@ int wxGenericTreeItem::GetCurrentImage() const
     return image;
 }
 
     return image;
 }
 

+void wxGenericTreeItem::CalculateSize(wxGenericTreeCtrl* control)
+{
+    // check if we need to do anything before creating the DC
+    if ( m_width != 0 )
+        return;
+
+    wxClientDC dc(control);
+    DoCalculateSize(control, dc, false /* normal font not used */);
+}
+
+void
+wxGenericTreeItem::DoCalculateSize(wxGenericTreeCtrl* control,
+                                   wxDC& dc,
+                                   bool dcUsesNormalFont)
+{
+    if ( m_width != 0 ) // Size known, nothing to do
+        return;
+
+    if ( m_widthText == -1 )
+    {
+        bool fontChanged;
+        if ( SetFont(control, dc) )
+        {
+            fontChanged = true;
+        }
+        else // we have no special font
+        {
+           if ( !dcUsesNormalFont )
+           {
+               // but we do need to ensure that the normal font is used: notice
+               // that this doesn't count as changing the font as we don't need
+               // to restore it
+               dc.SetFont(control->m_normalFont);
+           }
+
+           fontChanged = false;
+        }
+
+        dc.GetTextExtent( GetText(), &m_widthText, &m_heightText );
+
+        // restore normal font if the DC used it previously and we changed it
+        if ( fontChanged )
+             dc.SetFont(control->m_normalFont);
+    }
+
+    int text_h = m_heightText + 2;
+
+    int image_h = 0, image_w = 0;
+    int image = GetCurrentImage();
+    if ( image != NO_IMAGE && control->m_imageListNormal )
+    {
+        control->m_imageListNormal->GetSize(image, image_w, image_h);
+        image_w += MARGIN_BETWEEN_IMAGE_AND_TEXT;
+    }
+
+    int state_h = 0, state_w = 0;
+    int state = GetState();
+    if ( state != wxTREE_ITEMSTATE_NONE && control->m_imageListState )
+    {
+        control->m_imageListState->GetSize(state, state_w, state_h);
+        if ( image_w != 0 )
+            state_w += MARGIN_BETWEEN_STATE_AND_IMAGE;
+        else
+            state_w += MARGIN_BETWEEN_IMAGE_AND_TEXT;
+    }
+
+    int img_h = wxMax(state_h, image_h);
+    m_height = wxMax(img_h, text_h);
+
+    if (m_height < 30)
+        m_height += 2;            // at least 2 pixels
+    else
+        m_height += m_height / 10;   // otherwise 10% extra spacing
+
+    if (m_height > control->m_lineHeight)
+        control->m_lineHeight = m_height;
+
+    m_width = state_w + image_w + m_widthText + 2;
+}
+
+void wxGenericTreeItem::RecursiveResetSize()
+{
+    m_width = 0;
+
+    const size_t count = m_children.Count();
+    for (size_t i = 0; i < count; i++ )
+        m_children[i]->RecursiveResetSize();
+}
+
+void wxGenericTreeItem::RecursiveResetTextSize()
+{
+    m_width = 0;
+    m_widthText = -1;
+
+    const size_t count = m_children.Count();
+    for (size_t i = 0; i < count; i++ )
+        m_children[i]->RecursiveResetTextSize();
+}
+

 // -----------------------------------------------------------------------------
 // wxGenericTreeCtrl implementation
 // -----------------------------------------------------------------------------
 
 // -----------------------------------------------------------------------------
 // wxGenericTreeCtrl implementation
 // -----------------------------------------------------------------------------
 

-IMPLEMENT_DYNAMIC_CLASS(wxGenericTreeCtrl, wxScrolledWindow)
+IMPLEMENT_DYNAMIC_CLASS(wxGenericTreeCtrl, wxControl)

 
 

-BEGIN_EVENT_TABLE(wxGenericTreeCtrl,wxScrolledWindow)
+BEGIN_EVENT_TABLE(wxGenericTreeCtrl, wxTreeCtrlBase)

     EVT_PAINT          (wxGenericTreeCtrl::OnPaint)
     EVT_PAINT          (wxGenericTreeCtrl::OnPaint)

+    EVT_SIZE           (wxGenericTreeCtrl::OnSize)

     EVT_MOUSE_EVENTS   (wxGenericTreeCtrl::OnMouse)
     EVT_CHAR           (wxGenericTreeCtrl::OnChar)
     EVT_SET_FOCUS      (wxGenericTreeCtrl::OnSetFocus)
     EVT_KILL_FOCUS     (wxGenericTreeCtrl::OnKillFocus)
     EVT_MOUSE_EVENTS   (wxGenericTreeCtrl::OnMouse)
     EVT_CHAR           (wxGenericTreeCtrl::OnChar)
     EVT_SET_FOCUS      (wxGenericTreeCtrl::OnSetFocus)
     EVT_KILL_FOCUS     (wxGenericTreeCtrl::OnKillFocus)

+    EVT_TREE_ITEM_GETTOOLTIP(wxID_ANY, wxGenericTreeCtrl::OnGetToolTip)

 END_EVENT_TABLE()
 
 END_EVENT_TABLE()
 

-#if !defined(__WXMSW__) || defined(__WIN16__) || defined(__WXUNIVERSAL__)
+#if !defined(__WXMSW__) || defined(__WXUNIVERSAL__)

 /*
  * wxTreeCtrl has to be a real class or we have problems with
  * the run-time information.
 /*
  * wxTreeCtrl has to be a real class or we have problems with
  * the run-time information.


@@ -733,9 +923,12 @@ IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxGenericTreeCtrl)
 
 void wxGenericTreeCtrl::Init()
 {
 
 void wxGenericTreeCtrl::Init()
 {

-    m_current = m_key_current = m_anchor = m_select_me = (wxGenericTreeItem *) NULL;
-    m_hasFocus = FALSE;
-    m_dirty = FALSE;
+    m_current =
+    m_key_current =
+    m_anchor =
+    m_select_me = NULL;
+    m_hasFocus = false;
+    m_dirty = false;

 
     m_lineHeight = 10;
     m_indent = 15;
 
     m_lineHeight = 10;
     m_indent = 15;


@@ -747,7 +940,7 @@ void wxGenericTreeCtrl::Init()
                             (
                                 wxSYS_COLOUR_HIGHLIGHT
                             ),
                             (
                                 wxSYS_COLOUR_HIGHLIGHT
                             ),

-                            wxSOLID
+                            wxBRUSHSTYLE_SOLID

                          );
 
     m_hilightUnfocusedBrush = new wxBrush
                          );
 
     m_hilightUnfocusedBrush = new wxBrush


@@ -756,25 +949,38 @@ void wxGenericTreeCtrl::Init()
                                  (
                                      wxSYS_COLOUR_BTNSHADOW
                                  ),
                                  (
                                      wxSYS_COLOUR_BTNSHADOW
                                  ),

-                                 wxSOLID
+                                 wxBRUSHSTYLE_SOLID

                               );
 
                               );
 

-    m_imageListNormal = m_imageListButtons =
-    m_imageListState = (wxImageList *) NULL;
-    m_ownsImageListNormal = m_ownsImageListButtons =
-    m_ownsImageListState = FALSE;
+    m_imageListButtons = NULL;
+    m_ownsImageListButtons = false;

 
     m_dragCount = 0;
 
     m_dragCount = 0;

-    m_isDragging = FALSE;
-    m_dropTarget = m_oldSelection = (wxGenericTreeItem *)NULL;
+    m_isDragging = false;
+    m_dropTarget = m_oldSelection = NULL;
+    m_underMouse = NULL;

     m_textCtrl = NULL;
 
     m_renameTimer = NULL;
     m_textCtrl = NULL;
 
     m_renameTimer = NULL;

+

     m_findTimer = NULL;
 
     m_findTimer = NULL;
 

-    m_lastOnSame = FALSE;
+    m_dropEffectAboveItem = false;

 
 

+    m_dndEffect = NoEffect;
+    m_dndEffectItem = NULL;
+
+    m_lastOnSame = false;
+
+#if defined( __WXMAC__ )
+#if wxOSX_USE_ATSU_TEXT
+    m_normalFont.MacCreateFromThemeFont( kThemeViewsFont ) ;
+#else
+    m_normalFont.MacCreateFromUIFont( kCTFontViewsFontType ) ;
+#endif
+#else

     m_normalFont = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT );
     m_normalFont = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT );

+#endif

     m_boldFont = wxFont(m_normalFont.GetPointSize(),
                         m_normalFont.GetFamily(),
                         m_normalFont.GetStyle(),
     m_boldFont = wxFont(m_normalFont.GetPointSize(),
                         m_normalFont.GetFamily(),
                         m_normalFont.GetStyle(),


@@ -789,36 +995,22 @@ bool wxGenericTreeCtrl::Create(wxWindow *parent,
                                const wxPoint& pos,
                                const wxSize& size,
                                long style,
                                const wxPoint& pos,
                                const wxSize& size,
                                long style,

-                               const wxValidator &validator,
+                               const wxValidator& validator,

                                const wxString& name )
 {
 #ifdef __WXMAC__
                                const wxString& name )
 {
 #ifdef __WXMAC__

-    int major,minor;
-    wxGetOsVersion( &major, &minor );
+    int major, minor;
+    wxGetOsVersion(&major, &minor);

 
 

-    if (style & wxTR_HAS_BUTTONS) style |= wxTR_MAC_BUTTONS;
-    if (style & wxTR_HAS_BUTTONS) style &= ~wxTR_HAS_BUTTONS;
-    style &= ~wxTR_LINES_AT_ROOT;
-    style |= wxTR_NO_LINES;

     if (major < 10)
         style |= wxTR_ROW_LINES;
     if (major < 10)
         style |= wxTR_ROW_LINES;

-    if (major >= 10)
-        style |= wxTR_AQUA_BUTTONS;
-#endif
-
-    if (style & wxTR_AQUA_BUTTONS)
-    {
-        m_arrowRight = new wxBitmap( aqua_arrow_right );
-        m_arrowDown = new wxBitmap( aqua_arrow_down );
-    }
-    else
-    {
-        m_arrowRight = NULL;
-        m_arrowDown = NULL;
-    }
+#endif // __WXMAC__

 
 

-    wxScrolledWindow::Create( parent, id, pos, size,
-                              style|wxHSCROLL|wxVSCROLL, name );
+    if ( !wxControl::Create( parent, id, pos, size,
+                             style|wxHSCROLL|wxVSCROLL,
+                             validator,
+                             name ) )
+        return false;

 
     // If the tree display has no buttons, but does have
     // connecting lines, we can use a narrower layout.
 
     // If the tree display has no buttons, but does have
     // connecting lines, we can use a narrower layout.


@@ -829,17 +1021,24 @@ bool wxGenericTreeCtrl::Create(wxWindow *parent,
         m_spacing = 10;
     }
 
         m_spacing = 10;
     }
 

-#if wxUSE_VALIDATORS
-    SetValidator( validator );
-#endif
+    wxVisualAttributes attr = GetDefaultAttributes();
+    SetOwnForegroundColour( attr.colFg );
+    SetOwnBackgroundColour( attr.colBg );
+    if (!m_hasFont)
+        SetOwnFont(attr.font);

 
 

-    SetForegroundColour( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
-    SetBackgroundColour( wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOX) );
+    // this is a misnomer: it's called "dotted pen" but uses (default) wxSOLID
+    // style because we apparently get performance problems when using dotted
+    // pen for drawing in some ports -- but under MSW it seems to work fine
+#ifdef __WXMSW__
+    m_dottedPen = wxPen(*wxLIGHT_GREY, 0, wxPENSTYLE_DOT);
+#else
+    m_dottedPen = *wxGREY_PEN;
+#endif

 
 

-//  m_dottedPen = wxPen( "grey", 0, wxDOT );  too slow under XFree86
-    m_dottedPen = wxPen( wxT("grey"), 0, 0 );
+    SetInitialSize(size);

 
 

-    return TRUE;
+    return true;

 }
 
 wxGenericTreeCtrl::~wxGenericTreeCtrl()
 }
 
 wxGenericTreeCtrl::~wxGenericTreeCtrl()


@@ -847,18 +1046,11 @@ wxGenericTreeCtrl::~wxGenericTreeCtrl()
     delete m_hilightBrush;
     delete m_hilightUnfocusedBrush;
 
     delete m_hilightBrush;
     delete m_hilightUnfocusedBrush;
 

-    delete m_arrowRight;
-    delete m_arrowDown;
-

     DeleteAllItems();
 
     delete m_renameTimer;
     delete m_findTimer;
 
     DeleteAllItems();
 
     delete m_renameTimer;
     delete m_findTimer;
 

-    if (m_ownsImageListNormal)
-        delete m_imageListNormal;
-    if (m_ownsImageListState)
-        delete m_imageListState;

     if (m_ownsImageListButtons)
         delete m_imageListButtons;
 }
     if (m_ownsImageListButtons)
         delete m_imageListButtons;
 }


@@ -867,24 +1059,33 @@ wxGenericTreeCtrl::~wxGenericTreeCtrl()
 // accessors
 // -----------------------------------------------------------------------------
 
 // accessors
 // -----------------------------------------------------------------------------
 

-size_t wxGenericTreeCtrl::GetCount() const
+unsigned int wxGenericTreeCtrl::GetCount() const

 {
 {

-    return m_anchor == NULL ? 0u : m_anchor->GetChildrenCount();
+    if ( !m_anchor )
+    {
+        // the tree is empty
+        return 0;
+    }
+
+    unsigned int count = m_anchor->GetChildrenCount();
+    if ( !HasFlag(wxTR_HIDE_ROOT) )
+    {
+        // take the root itself into account
+        count++;
+    }
+
+    return count;

 }
 
 void wxGenericTreeCtrl::SetIndent(unsigned int indent)
 {
     m_indent = (unsigned short) indent;
 }
 
 void wxGenericTreeCtrl::SetIndent(unsigned int indent)
 {
     m_indent = (unsigned short) indent;

-    m_dirty = TRUE;
-}
-
-void wxGenericTreeCtrl::SetSpacing(unsigned int spacing)
-{
-    m_spacing = (unsigned short) spacing;
-    m_dirty = TRUE;
+    m_dirty = true;

 }
 
 }
 

-size_t wxGenericTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively)
+size_t
+wxGenericTreeCtrl::GetChildrenCount(const wxTreeItemId& item,
+                                    bool recursively) const

 {
     wxCHECK_MSG( item.IsOk(), 0u, wxT("invalid tree item") );
 
 {
     wxCHECK_MSG( item.IsOk(), 0u, wxT("invalid tree item") );
 


@@ -893,7 +1094,8 @@ size_t wxGenericTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recurs
 
 void wxGenericTreeCtrl::SetWindowStyle(const long styles)
 {
 
 void wxGenericTreeCtrl::SetWindowStyle(const long styles)
 {

-    if (!HasFlag(wxTR_HIDE_ROOT) && (styles & wxTR_HIDE_ROOT))
+    // Do not try to expand the root node if it hasn't been created yet
+    if (m_anchor && !HasFlag(wxTR_HIDE_ROOT) && (styles & wxTR_HIDE_ROOT))

     {
         // if we will hide the root, make sure children are visible
         m_anchor->SetHasPlus();
     {
         // if we will hide the root, make sure children are visible
         m_anchor->SetHasPlus();


@@ -905,7 +1107,7 @@ void wxGenericTreeCtrl::SetWindowStyle(const long styles)
     // want to update the inherited styles, but right now
     // none of the parents has updatable styles
     m_windowStyle = styles;
     // want to update the inherited styles, but right now
     // none of the parents has updatable styles
     m_windowStyle = styles;

-    m_dirty = TRUE;
+    m_dirty = true;

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


@@ -914,7 +1116,7 @@ void wxGenericTreeCtrl::SetWindowStyle(const long styles)
 
 wxString wxGenericTreeCtrl::GetItemText(const wxTreeItemId& item) const
 {
 
 wxString wxGenericTreeCtrl::GetItemText(const wxTreeItemId& item) const
 {

-    wxCHECK_MSG( item.IsOk(), wxT(""), wxT("invalid tree item") );
+    wxCHECK_MSG( item.IsOk(), wxEmptyString, wxT("invalid tree item") );

 
     return ((wxGenericTreeItem*) item.m_pItem)->GetText();
 }
 
     return ((wxGenericTreeItem*) item.m_pItem)->GetText();
 }


@@ -934,6 +1136,14 @@ wxTreeItemData *wxGenericTreeCtrl::GetItemData(const wxTreeItemId& item) const
     return ((wxGenericTreeItem*) item.m_pItem)->GetData();
 }
 
     return ((wxGenericTreeItem*) item.m_pItem)->GetData();
 }
 

+int wxGenericTreeCtrl::DoGetItemState(const wxTreeItemId& item) const
+{
+    wxCHECK_MSG( item.IsOk(), wxTREE_ITEMSTATE_NONE, wxT("invalid tree item") );
+
+    wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem;
+    return pItem->GetState();
+}
+

 wxColour wxGenericTreeCtrl::GetItemTextColour(const wxTreeItemId& item) const
 {
     wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") );
 wxColour wxGenericTreeCtrl::GetItemTextColour(const wxTreeItemId& item) const
 {
     wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") );


@@ -942,7 +1152,8 @@ wxColour wxGenericTreeCtrl::GetItemTextColour(const wxTreeItemId& item) const
     return pItem->Attr().GetTextColour();
 }
 
     return pItem->Attr().GetTextColour();
 }
 

-wxColour wxGenericTreeCtrl::GetItemBackgroundColour(const wxTreeItemId& item) const
+wxColour
+wxGenericTreeCtrl::GetItemBackgroundColour(const wxTreeItemId& item) const

 {
     wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") );
 
 {
     wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") );
 


@@ -958,14 +1169,14 @@ wxFont wxGenericTreeCtrl::GetItemFont(const wxTreeItemId& item) const
     return pItem->Attr().GetFont();
 }
 
     return pItem->Attr().GetFont();
 }
 

-void wxGenericTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text)
+void
+wxGenericTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text)

 {
     wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
 
 {
     wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
 

-    wxClientDC dc(this);

     wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem;
     pItem->SetText(text);
     wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem;
     pItem->SetText(text);

-    CalculateSize(pItem, dc);
+    pItem->CalculateSize(this);

     RefreshLine(pItem);
 }
 
     RefreshLine(pItem);
 }
 


@@ -977,19 +1188,31 @@ void wxGenericTreeCtrl::SetItemImage(const wxTreeItemId& item,
 
     wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem;
     pItem->SetImage(image, which);
 
     wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem;
     pItem->SetImage(image, which);

-
-    wxClientDC dc(this);
-    CalculateSize(pItem, dc);
+    pItem->CalculateSize(this);

     RefreshLine(pItem);
 }
 
     RefreshLine(pItem);
 }
 

-void wxGenericTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
+void
+wxGenericTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)

 {
     wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
 
 {
     wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
 

+    if (data)
+        data->SetId( item );
+

     ((wxGenericTreeItem*) item.m_pItem)->SetData(data);
 }
 
     ((wxGenericTreeItem*) item.m_pItem)->SetData(data);
 }
 

+void wxGenericTreeCtrl::DoSetItemState(const wxTreeItemId& item, int state)
+{
+    wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
+
+    wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem;
+    pItem->SetState(state);
+    pItem->CalculateSize(this);
+    RefreshLine(pItem);
+}
+

 void wxGenericTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
 {
     wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
 void wxGenericTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
 {
     wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );


@@ -1008,10 +1231,33 @@ void wxGenericTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold)
     if ( pItem->IsBold() != bold )
     {
         pItem->SetBold(bold);
     if ( pItem->IsBold() != bold )
     {
         pItem->SetBold(bold);

+
+        // recalculate the item size as bold and non bold fonts have different
+        // widths
+        pItem->CalculateSize(this);

         RefreshLine(pItem);
     }
 }
 
         RefreshLine(pItem);
     }
 }
 

+void wxGenericTreeCtrl::SetItemDropHighlight(const wxTreeItemId& item,
+                                             bool highlight)
+{
+    wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
+
+    wxColour fg, bg;
+
+    if (highlight)
+    {
+        bg = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
+        fg = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
+    }
+
+    wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem;
+    pItem->Attr().SetTextColour(fg);
+    pItem->Attr().SetBackgroundColour(bg);
+    RefreshLine(pItem);
+}
+

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


@@ -1032,18 +1278,21 @@ void wxGenericTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item,
     RefreshLine(pItem);
 }
 
     RefreshLine(pItem);
 }
 

-void wxGenericTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)
+void
+wxGenericTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font)

 {
     wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
 
     wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem;
     pItem->Attr().SetFont(font);
 {
     wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
 
     wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem;
     pItem->Attr().SetFont(font);

+    pItem->ResetTextSize();
+    pItem->CalculateSize(this);

     RefreshLine(pItem);
 }
 
 bool wxGenericTreeCtrl::SetFont( const wxFont &font )
 {
     RefreshLine(pItem);
 }
 
 bool wxGenericTreeCtrl::SetFont( const wxFont &font )
 {

-    wxScrolledWindow::SetFont(font);
+    wxTreeCtrlBase::SetFont(font);

 
     m_normalFont = font ;
     m_boldFont = wxFont(m_normalFont.GetPointSize(),
 
     m_normalFont = font ;
     m_boldFont = wxFont(m_normalFont.GetPointSize(),


@@ -1054,7 +1303,10 @@ bool wxGenericTreeCtrl::SetFont( const wxFont &font )
                         m_normalFont.GetFaceName(),
                         m_normalFont.GetEncoding());
 
                         m_normalFont.GetFaceName(),
                         m_normalFont.GetEncoding());
 

-    return TRUE;
+    if (m_anchor)
+        m_anchor->RecursiveResetTextSize();
+
+    return true;

 }
 
 
 }
 
 


@@ -1064,7 +1316,7 @@ bool wxGenericTreeCtrl::SetFont( const wxFont &font )
 
 bool wxGenericTreeCtrl::IsVisible(const wxTreeItemId& item) const
 {
 
 bool wxGenericTreeCtrl::IsVisible(const wxTreeItemId& item) const
 {

-    wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
+    wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") );

 
     // An item is only visible if it's not a descendant of a collapsed item
     wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem;
 
     // An item is only visible if it's not a descendant of a collapsed item
     wxGenericTreeItem *pItem = (wxGenericTreeItem*) item.m_pItem;


@@ -1072,7 +1324,7 @@ bool wxGenericTreeCtrl::IsVisible(const wxTreeItemId& item) const
     while (parent)
     {
         if (!parent->IsExpanded())
     while (parent)
     {
         if (!parent->IsExpanded())

-            return FALSE;
+            return false;

         parent = parent->GetParent();
     }
 
         parent = parent->GetParent();
     }
 


@@ -1083,20 +1335,20 @@ bool wxGenericTreeCtrl::IsVisible(const wxTreeItemId& item) const
 
     wxRect rect;
     if (!GetBoundingRect(item, rect))
 
     wxRect rect;
     if (!GetBoundingRect(item, rect))

-        return FALSE;
+        return false;

     if (rect.GetWidth() == 0 || rect.GetHeight() == 0)
     if (rect.GetWidth() == 0 || rect.GetHeight() == 0)

-        return FALSE;
+        return false;

     if (rect.GetBottom() < 0 || rect.GetTop() > clientSize.y)
     if (rect.GetBottom() < 0 || rect.GetTop() > clientSize.y)

-        return FALSE;
+        return false;

     if (rect.GetRight() < 0 || rect.GetLeft() > clientSize.x)
     if (rect.GetRight() < 0 || rect.GetLeft() > clientSize.x)

-        return FALSE;
+        return false;

 
 

-    return TRUE;
+    return true;

 }
 
 bool wxGenericTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
 {
 }
 
 bool wxGenericTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
 {

-    wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
+    wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") );

 
     // consider that the item does have children if it has the "+" button: it
     // might not have them (if it had never been expanded yet) but then it
 
     // consider that the item does have children if it has the "+" button: it
     // might not have them (if it had never been expanded yet) but then it


@@ -1108,21 +1360,21 @@ bool wxGenericTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const
 
 bool wxGenericTreeCtrl::IsExpanded(const wxTreeItemId& item) const
 {
 
 bool wxGenericTreeCtrl::IsExpanded(const wxTreeItemId& item) const
 {

-    wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
+    wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") );

 
     return ((wxGenericTreeItem*) item.m_pItem)->IsExpanded();
 }
 
 bool wxGenericTreeCtrl::IsSelected(const wxTreeItemId& item) const
 {
 
     return ((wxGenericTreeItem*) item.m_pItem)->IsExpanded();
 }
 
 bool wxGenericTreeCtrl::IsSelected(const wxTreeItemId& item) const
 {

-    wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
+    wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") );

 
     return ((wxGenericTreeItem*) item.m_pItem)->IsSelected();
 }
 
 bool wxGenericTreeCtrl::IsBold(const wxTreeItemId& item) const
 {
 
     return ((wxGenericTreeItem*) item.m_pItem)->IsSelected();
 }
 
 bool wxGenericTreeCtrl::IsBold(const wxTreeItemId& item) const
 {

-    wxCHECK_MSG( item.IsOk(), FALSE, wxT("invalid tree item") );
+    wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") );

 
     return ((wxGenericTreeItem*) item.m_pItem)->IsBold();
 }
 
     return ((wxGenericTreeItem*) item.m_pItem)->IsBold();
 }


@@ -1138,7 +1390,8 @@ wxTreeItemId wxGenericTreeCtrl::GetItemParent(const wxTreeItemId& item) const
     return ((wxGenericTreeItem*) item.m_pItem)->GetParent();
 }
 
     return ((wxGenericTreeItem*) item.m_pItem)->GetParent();
 }
 

-wxTreeItemId wxGenericTreeCtrl::GetFirstChild(const wxTreeItemId& item, long& cookie) const
+wxTreeItemId wxGenericTreeCtrl::GetFirstChild(const wxTreeItemId& item,
+                                              wxTreeItemIdValue& cookie) const

 {
     wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
 
 {
     wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
 


@@ -1146,14 +1399,20 @@ wxTreeItemId wxGenericTreeCtrl::GetFirstChild(const wxTreeItemId& item, long& co
     return GetNextChild(item, cookie);
 }
 
     return GetNextChild(item, cookie);
 }
 

-wxTreeItemId wxGenericTreeCtrl::GetNextChild(const wxTreeItemId& item, long& cookie) const
+wxTreeItemId wxGenericTreeCtrl::GetNextChild(const wxTreeItemId& item,
+                                             wxTreeItemIdValue& cookie) const

 {
     wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
 
 {
     wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
 

-    wxArrayGenericTreeItems& children = ((wxGenericTreeItem*) item.m_pItem)->GetChildren();
-    if ( (size_t)cookie < children.Count() )
+    wxArrayGenericTreeItems&
+        children = ((wxGenericTreeItem*) item.m_pItem)->GetChildren();
+
+    // it's ok to cast cookie to size_t, we never have indices big enough to
+    // overflow "void *"
+    size_t *pIndex = (size_t *)&cookie;
+    if ( *pIndex < children.GetCount() )

     {
     {

-        return children.Item((size_t)cookie++);
+        return children.Item((*pIndex)++);

     }
     else
     {
     }
     else
     {


@@ -1166,8 +1425,9 @@ wxTreeItemId wxGenericTreeCtrl::GetLastChild(const wxTreeItemId& item) const
 {
     wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
 
 {
     wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
 

-    wxArrayGenericTreeItems& children = ((wxGenericTreeItem*) item.m_pItem)->GetChildren();
-    return (children.IsEmpty() ? wxTreeItemId() : wxTreeItemId(children.Last()));
+    wxArrayGenericTreeItems&
+        children = ((wxGenericTreeItem*) item.m_pItem)->GetChildren();
+    return children.IsEmpty() ? wxTreeItemId() : wxTreeItemId(children.Last());

 }
 
 wxTreeItemId wxGenericTreeCtrl::GetNextSibling(const wxTreeItemId& item) const
 }
 
 wxTreeItemId wxGenericTreeCtrl::GetNextSibling(const wxTreeItemId& item) const


@@ -1187,7 +1447,8 @@ wxTreeItemId wxGenericTreeCtrl::GetNextSibling(const wxTreeItemId& item) const
     wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
 
     size_t n = (size_t)(index + 1);
     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]);
+    return n == siblings.GetCount() ? wxTreeItemId()
+                                    : wxTreeItemId(siblings[n]);

 }
 
 wxTreeItemId wxGenericTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const
 }
 
 wxTreeItemId wxGenericTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const


@@ -1256,6 +1517,7 @@ wxTreeItemId wxGenericTreeCtrl::GetFirstVisibleItem() const
 wxTreeItemId wxGenericTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
 {
     wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
 wxTreeItemId wxGenericTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
 {
     wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );

+    wxASSERT_MSG( IsVisible(item), wxT("this item itself should be visible") );

 
     wxTreeItemId id = item;
     if (id.IsOk())
 
     wxTreeItemId id = item;
     if (id.IsOk())


@@ -1272,16 +1534,43 @@ wxTreeItemId wxGenericTreeCtrl::GetNextVisible(const wxTreeItemId& item) const
 wxTreeItemId wxGenericTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
 {
     wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
 wxTreeItemId wxGenericTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const
 {
     wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );

+    wxASSERT_MSG( IsVisible(item), wxT("this item itself should be visible") );

 
 

-    wxFAIL_MSG(wxT("not implemented"));
+    // find out the starting point
+    wxTreeItemId prevItem = GetPrevSibling(item);
+    if ( !prevItem.IsOk() )
+    {
+        prevItem = GetItemParent(item);
+    }

 
 

-    return wxTreeItemId();
+    // find the first visible item after it
+    while ( prevItem.IsOk() && !IsVisible(prevItem) )
+    {
+        prevItem = GetNext(prevItem);
+        if ( !prevItem.IsOk() || prevItem == item )
+        {
+            // there are no visible items before item
+            return wxTreeItemId();
+        }
+    }
+
+    // from there we must be able to navigate until this item
+    while ( prevItem.IsOk() )
+    {
+        const wxTreeItemId nextItem = GetNextVisible(prevItem);
+        if ( !nextItem.IsOk() || nextItem == item )
+            break;
+
+        prevItem = nextItem;
+    }
+
+    return prevItem;

 }
 
 // called by wxTextTreeCtrl when it marks itself for deletion
 void wxGenericTreeCtrl::ResetTextControl()
 {
 }
 
 // called by wxTextTreeCtrl when it marks itself for deletion
 void wxGenericTreeCtrl::ResetTextControl()
 {

-  m_textCtrl = NULL;
+    m_textCtrl = NULL;

 }
 
 // find the first item starting with the given prefix after the given item
 }
 
 // find the first item starting with the given prefix after the given item


@@ -1321,10 +1610,13 @@ wxTreeItemId wxGenericTreeCtrl::FindItem(const wxTreeItemId& idParent,
         }
 
         // and try all the items (stop when we get to the one we started from)
         }
 
         // and try all the items (stop when we get to the one we started from)

-        while ( id != idParent && !GetItemText(id).Lower().StartsWith(prefix) )
+        while ( id.IsOk() && id != idParent &&
+                    !GetItemText(id).Lower().StartsWith(prefix) )

         {
             id = GetNext(id);
         }
         {
             id = GetNext(id);
         }

+        // If we haven't found the item, id.IsOk() will be false, as per
+        // documentation

     }
 
     return id;
     }
 
     return id;


@@ -1335,10 +1627,11 @@ wxTreeItemId wxGenericTreeCtrl::FindItem(const wxTreeItemId& idParent,
 // -----------------------------------------------------------------------------
 
 wxTreeItemId wxGenericTreeCtrl::DoInsertItem(const wxTreeItemId& parentId,
 // -----------------------------------------------------------------------------
 
 wxTreeItemId wxGenericTreeCtrl::DoInsertItem(const wxTreeItemId& parentId,

-                                      size_t previous,
-                                      const wxString& text,
-                                      int image, int selImage,
-                                      wxTreeItemData *data)
+                                             size_t previous,
+                                             const wxString& text,
+                                             int image,
+                                             int selImage,
+                                             wxTreeItemData *data)

 {
     wxGenericTreeItem *parent = (wxGenericTreeItem*) parentId.m_pItem;
     if ( !parent )
 {
     wxGenericTreeItem *parent = (wxGenericTreeItem*) parentId.m_pItem;
     if ( !parent )


@@ -1347,34 +1640,37 @@ wxTreeItemId wxGenericTreeCtrl::DoInsertItem(const wxTreeItemId& parentId,
         return AddRoot(text, image, selImage, data);
     }
 
         return AddRoot(text, image, selImage, data);
     }
 

-    m_dirty = TRUE;     // do this first so stuff below doesn't cause flicker
+    m_dirty = true;     // do this first so stuff below doesn't cause flicker

 
     wxGenericTreeItem *item =
         new wxGenericTreeItem( parent, text, image, selImage, data );
 
     if ( data != NULL )
     {
 
     wxGenericTreeItem *item =
         new wxGenericTreeItem( parent, text, image, selImage, data );
 
     if ( data != NULL )
     {

-        data->m_pItem = (long) item;
+        data->m_pItem = item;

     }
 
     }
 

-    parent->Insert( item, previous );
+    parent->Insert( item, previous == (size_t)-1 ? parent->GetChildren().size()
+                                                 : previous );

 
 

+    InvalidateBestSize();

     return item;
 }
 
 wxTreeItemId wxGenericTreeCtrl::AddRoot(const wxString& text,
     return item;
 }
 
 wxTreeItemId wxGenericTreeCtrl::AddRoot(const wxString& text,

-                                 int image, int selImage,
-                                 wxTreeItemData *data)
+                                        int image,
+                                        int selImage,
+                                        wxTreeItemData *data)

 {
 {

-    wxCHECK_MSG( !m_anchor, wxTreeItemId(), wxT("tree can have only one root") );
+    wxCHECK_MSG( !m_anchor, wxTreeItemId(), "tree can have only one root" );

 
 

-    m_dirty = TRUE;     // do this first so stuff below doesn't cause flicker
+    m_dirty = true;     // do this first so stuff below doesn't cause flicker

 
 

-    m_anchor = new wxGenericTreeItem((wxGenericTreeItem *)NULL, text,
+    m_anchor = new wxGenericTreeItem(NULL, text,

                                    image, selImage, data);
     if ( data != NULL )
     {
                                    image, selImage, data);
     if ( data != NULL )
     {

-        data->m_pItem = (long) m_anchor;
+        data->m_pItem = m_anchor;

     }
 
     if (HasFlag(wxTR_HIDE_ROOT))
     }
 
     if (HasFlag(wxTR_HIDE_ROOT))


@@ -1389,25 +1685,18 @@ wxTreeItemId wxGenericTreeCtrl::AddRoot(const wxString& text,
     if (!HasFlag(wxTR_MULTIPLE))
     {
         m_current = m_key_current = m_anchor;
     if (!HasFlag(wxTR_MULTIPLE))
     {
         m_current = m_key_current = m_anchor;

-        m_current->SetHilight( TRUE );
+        m_current->SetHilight( true );

     }
 
     }
 

+    InvalidateBestSize();

     return m_anchor;
 }
 
     return m_anchor;
 }
 

-wxTreeItemId wxGenericTreeCtrl::PrependItem(const wxTreeItemId& parent,
-                                     const wxString& text,
-                                     int image, int selImage,
-                                     wxTreeItemData *data)
-{
-    return DoInsertItem(parent, 0u, text, image, selImage, data);
-}
-
-wxTreeItemId wxGenericTreeCtrl::InsertItem(const wxTreeItemId& parentId,
-                                    const wxTreeItemId& idPrevious,
-                                    const wxString& text,
-                                    int image, int selImage,
-                                    wxTreeItemData *data)
+wxTreeItemId wxGenericTreeCtrl::DoInsertAfter(const wxTreeItemId& parentId,
+                                              const wxTreeItemId& idPrevious,
+                                              const wxString& text,
+                                              int image, int selImage,
+                                              wxTreeItemData *data)

 {
     wxGenericTreeItem *parent = (wxGenericTreeItem*) parentId.m_pItem;
     if ( !parent )
 {
     wxGenericTreeItem *parent = (wxGenericTreeItem*) parentId.m_pItem;
     if ( !parent )


@@ -1419,68 +1708,72 @@ wxTreeItemId wxGenericTreeCtrl::InsertItem(const wxTreeItemId& parentId,
     int index = -1;
     if (idPrevious.IsOk())
     {
     int index = -1;
     if (idPrevious.IsOk())
     {

-        index = parent->GetChildren().Index((wxGenericTreeItem*) idPrevious.m_pItem);
+        index = parent->GetChildren().Index(
+                    (wxGenericTreeItem*) idPrevious.m_pItem);

         wxASSERT_MSG( index != wxNOT_FOUND,
         wxASSERT_MSG( index != wxNOT_FOUND,

-                      wxT("previous item in wxGenericTreeCtrl::InsertItem() is not a sibling") );
+                      "previous item in wxGenericTreeCtrl::InsertItem() "
+                      "is not a sibling" );

     }
 
     return DoInsertItem(parentId, (size_t)++index, text, image, selImage, data);
 }
 
     }
 
     return DoInsertItem(parentId, (size_t)++index, text, image, selImage, data);
 }
 

-wxTreeItemId wxGenericTreeCtrl::InsertItem(const wxTreeItemId& parentId,
-                                    size_t before,
-                                    const wxString& text,
-                                    int image, int selImage,
-                                    wxTreeItemData *data)
-{
-    wxGenericTreeItem *parent = (wxGenericTreeItem*) 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);
+void wxGenericTreeCtrl::SendDeleteEvent(wxGenericTreeItem *item)
+{
+    wxTreeEvent event(wxEVT_COMMAND_TREE_DELETE_ITEM, this, item);
+    GetEventHandler()->ProcessEvent( event );

 }
 
 }
 

-wxTreeItemId wxGenericTreeCtrl::AppendItem(const wxTreeItemId& parentId,
-                                    const wxString& text,
-                                    int image, int selImage,
-                                    wxTreeItemData *data)
+// Don't leave edit or selection on a child which is about to disappear
+void wxGenericTreeCtrl::ChildrenClosing(wxGenericTreeItem* item)

 {
 {

-    wxGenericTreeItem *parent = (wxGenericTreeItem*) parentId.m_pItem;
-    if ( !parent )
+    if ( m_textCtrl && item != m_textCtrl->item() &&
+            IsDescendantOf(item, m_textCtrl->item()) )

     {
     {

-        // should we give a warning here?
-        return AddRoot(text, image, selImage, data);
+        m_textCtrl->EndEdit( true );

     }
 
     }
 

-    return DoInsertItem( parent, parent->GetChildren().Count(), text,
-                         image, selImage, data);
-}
+    if ( item != m_key_current && IsDescendantOf(item, m_key_current) )
+    {
+        m_key_current = NULL;
+    }

 
 

-void wxGenericTreeCtrl::SendDeleteEvent(wxGenericTreeItem *item)
-{
-    wxTreeEvent event( wxEVT_COMMAND_TREE_DELETE_ITEM, GetId() );
-    event.m_item = (long) item;
-    event.SetEventObject( this );
-    ProcessEvent( event );
+    if ( IsDescendantOf(item, m_select_me) )
+    {
+        m_select_me = item;
+    }
+
+    if ( item != m_current && IsDescendantOf(item, m_current) )
+    {
+        m_current->SetHilight( false );
+        m_current = NULL;
+        m_select_me = item;
+    }

 }
 
 void wxGenericTreeCtrl::DeleteChildren(const wxTreeItemId& itemId)
 {
 }
 
 void wxGenericTreeCtrl::DeleteChildren(const wxTreeItemId& itemId)
 {

-    m_dirty = TRUE;     // do this first so stuff below doesn't cause flicker
+    m_dirty = true;     // do this first so stuff below doesn't cause flicker

 
     wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
 
     wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;

+    ChildrenClosing(item);

     item->DeleteChildren(this);
     item->DeleteChildren(this);

+    InvalidateBestSize();

 }
 
 void wxGenericTreeCtrl::Delete(const wxTreeItemId& itemId)
 {
 }
 
 void wxGenericTreeCtrl::Delete(const wxTreeItemId& itemId)
 {

-    m_dirty = TRUE;     // do this first so stuff below doesn't cause flicker
+    m_dirty = true;     // do this first so stuff below doesn't cause flicker

 
     wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
 
 
     wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
 

+    if (m_textCtrl != NULL && IsDescendantOf(item, m_textCtrl->item()))
+    {
+        // can't delete the item being edited, cancel editing it first
+        m_textCtrl->EndEdit( true );
+    }
+

     wxGenericTreeItem *parent = item->GetParent();
 
     // don't keep stale pointers around!
     wxGenericTreeItem *parent = item->GetParent();
 
     // don't keep stale pointers around!


@@ -1489,7 +1782,7 @@ void wxGenericTreeCtrl::Delete(const wxTreeItemId& itemId)
         // Don't silently change the selection:
         // do it properly in idle time, so event
         // handlers get called.
         // Don't silently change the selection:
         // do it properly in idle time, so event
         // handlers get called.

-        
+

         // m_key_current = parent;
         m_key_current = NULL;
     }
         // m_key_current = parent;
         m_key_current = NULL;
     }


@@ -1506,7 +1799,7 @@ void wxGenericTreeCtrl::Delete(const wxTreeItemId& itemId)
         // Don't silently change the selection:
         // do it properly in idle time, so event
         // handlers get called.
         // Don't silently change the selection:
         // do it properly in idle time, so event
         // handlers get called.

-        
+

         // m_current = parent;
         m_current = NULL;
         m_select_me = parent;
         // m_current = parent;
         m_current = NULL;
         m_select_me = parent;


@@ -1526,7 +1819,13 @@ void wxGenericTreeCtrl::Delete(const wxTreeItemId& itemId)
     // and delete all of its children and the item itself now
     item->DeleteChildren(this);
     SendDeleteEvent(item);
     // and delete all of its children and the item itself now
     item->DeleteChildren(this);
     SendDeleteEvent(item);

+
+    if (item == m_select_me)
+        m_select_me = NULL;
+

     delete item;
     delete item;

+
+    InvalidateBestSize();

 }
 
 void wxGenericTreeCtrl::DeleteAllItems()
 }
 
 void wxGenericTreeCtrl::DeleteAllItems()


@@ -1551,42 +1850,28 @@ void wxGenericTreeCtrl::Expand(const wxTreeItemId& itemId)
     if ( item->IsExpanded() )
         return;
 
     if ( item->IsExpanded() )
         return;
 

-    wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_EXPANDING, GetId() );
-    event.m_item = (long) item;
-    event.SetEventObject( this );
+    wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_EXPANDING, this, item);

 
 

-    if ( ProcessEvent( event ) && !event.IsAllowed() )
+    if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() )

     {
         // cancelled by program
         return;
     }
 
     item->Expand();
     {
         // cancelled by program
         return;
     }
 
     item->Expand();

-    CalculatePositions();
+    if ( !IsFrozen() )
+    {
+        CalculatePositions();

 
 

-    RefreshSubtree(item);
+        RefreshSubtree(item);
+    }
+    else // frozen
+    {
+        m_dirty = true;
+    }

 
     event.SetEventType(wxEVT_COMMAND_TREE_ITEM_EXPANDED);
 
     event.SetEventType(wxEVT_COMMAND_TREE_ITEM_EXPANDED);

-    ProcessEvent( event );
-}
-
-void wxGenericTreeCtrl::ExpandAll(const wxTreeItemId& item)
-{
-    if ( !HasFlag(wxTR_HIDE_ROOT) || item != GetRootItem())
-    {
-        Expand(item);
-        if ( !IsExpanded(item) )
-            return;
-    }
-
-    long cookie;
-    wxTreeItemId child = GetFirstChild(item, cookie);
-    while ( child.IsOk() )
-    {
-        ExpandAll(child);
-
-        child = GetNextChild(item, cookie);
-    }
+    GetEventHandler()->ProcessEvent( event );

 }
 
 void wxGenericTreeCtrl::Collapse(const wxTreeItemId& itemId)
 }
 
 void wxGenericTreeCtrl::Collapse(const wxTreeItemId& itemId)


@@ -1599,20 +1884,19 @@ void wxGenericTreeCtrl::Collapse(const wxTreeItemId& itemId)
     if ( !item->IsExpanded() )
         return;
 
     if ( !item->IsExpanded() )
         return;
 

-    wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_COLLAPSING, GetId() );
-    event.m_item = (long) item;
-    event.SetEventObject( this );
-    if ( ProcessEvent( event ) && !event.IsAllowed() )
+    wxTreeEvent event(wxEVT_COMMAND_TREE_ITEM_COLLAPSING, this, item);
+    if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() )

     {
         // cancelled by program
         return;
     }
 
     {
         // cancelled by program
         return;
     }
 

+    ChildrenClosing(item);

     item->Collapse();
 
 #if 0  // TODO why should items be collapsed recursively?
     wxArrayGenericTreeItems& children = item->GetChildren();
     item->Collapse();
 
 #if 0  // TODO why should items be collapsed recursively?
     wxArrayGenericTreeItems& children = item->GetChildren();

-    size_t count = children.Count();
+    size_t count = children.GetCount();

     for ( size_t n = 0; n < count; n++ )
     {
         Collapse(children[n]);
     for ( size_t n = 0; n < count; n++ )
     {
         Collapse(children[n]);


@@ -1624,7 +1908,7 @@ void wxGenericTreeCtrl::Collapse(const wxTreeItemId& itemId)
     RefreshSubtree(item);
 
     event.SetEventType(wxEVT_COMMAND_TREE_ITEM_COLLAPSED);
     RefreshSubtree(item);
 
     event.SetEventType(wxEVT_COMMAND_TREE_ITEM_COLLAPSED);

-    ProcessEvent( event );
+    GetEventHandler()->ProcessEvent( event );

 }
 
 void wxGenericTreeCtrl::CollapseAndReset(const wxTreeItemId& item)
 }
 
 void wxGenericTreeCtrl::CollapseAndReset(const wxTreeItemId& item)


@@ -1647,7 +1931,7 @@ void wxGenericTreeCtrl::Unselect()
 {
     if (m_current)
     {
 {
     if (m_current)
     {

-        m_current->SetHilight( FALSE );
+        m_current->SetHilight( false );

         RefreshLine( m_current );
 
         m_current = NULL;
         RefreshLine( m_current );
 
         m_current = NULL;


@@ -1659,14 +1943,14 @@ void wxGenericTreeCtrl::UnselectAllChildren(wxGenericTreeItem *item)
 {
     if (item->IsSelected())
     {
 {
     if (item->IsSelected())
     {

-        item->SetHilight(FALSE);
+        item->SetHilight(false);

         RefreshLine(item);
     }
 
     if (item->HasChildren())
     {
         wxArrayGenericTreeItems& children = item->GetChildren();
         RefreshLine(item);
     }
 
     if (item->HasChildren())
     {
         wxArrayGenericTreeItems& children = item->GetChildren();

-        size_t count = children.Count();
+        size_t count = children.GetCount();

         for ( size_t n = 0; n < count; ++n )
         {
             UnselectAllChildren(children[n]);
         for ( size_t n = 0; n < count; ++n )
         {
             UnselectAllChildren(children[n]);


@@ -1691,7 +1975,10 @@ void wxGenericTreeCtrl::UnselectAll()
 // Tag all next children, when no more children,
 // Move to parent (not to tag)
 // Keep going... if we found last_item, we stop.
 // Tag all next children, when no more children,
 // Move to parent (not to tag)
 // Keep going... if we found last_item, we stop.

-bool wxGenericTreeCtrl::TagNextChildren(wxGenericTreeItem *crt_item, wxGenericTreeItem *last_item, bool select)
+bool
+wxGenericTreeCtrl::TagNextChildren(wxGenericTreeItem *crt_item,
+                                   wxGenericTreeItem *last_item,
+                                   bool select)

 {
     wxGenericTreeItem *parent = crt_item->GetParent();
 
 {
     wxGenericTreeItem *parent = crt_item->GetParent();
 


@@ -1702,54 +1989,51 @@ bool wxGenericTreeCtrl::TagNextChildren(wxGenericTreeItem *crt_item, wxGenericTr
     int index = children.Index(crt_item);
     wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
 
     int index = children.Index(crt_item);
     wxASSERT( index != wxNOT_FOUND ); // I'm not a child of my parent?
 

-    size_t count = children.Count();
+    size_t count = children.GetCount();

     for (size_t n=(size_t)(index+1); n<count; ++n)
     {
     for (size_t n=(size_t)(index+1); n<count; ++n)
     {

-        if (TagAllChildrenUntilLast(children[n], last_item, select)) return TRUE;
+        if ( TagAllChildrenUntilLast(children[n], last_item, select) )
+            return true;

     }
 
     return TagNextChildren(parent, last_item, select);
 }
 
     }
 
     return TagNextChildren(parent, last_item, select);
 }
 

-bool wxGenericTreeCtrl::TagAllChildrenUntilLast(wxGenericTreeItem *crt_item, wxGenericTreeItem *last_item, bool select)
+bool
+wxGenericTreeCtrl::TagAllChildrenUntilLast(wxGenericTreeItem *crt_item,
+                                           wxGenericTreeItem *last_item,
+                                           bool select)

 {
     crt_item->SetHilight(select);
     RefreshLine(crt_item);
 
     if (crt_item==last_item)
 {
     crt_item->SetHilight(select);
     RefreshLine(crt_item);
 
     if (crt_item==last_item)

-        return TRUE;
+        return true;

 
     if (crt_item->HasChildren())
     {
         wxArrayGenericTreeItems& children = crt_item->GetChildren();
 
     if (crt_item->HasChildren())
     {
         wxArrayGenericTreeItems& children = crt_item->GetChildren();

-        size_t count = children.Count();
+        size_t count = children.GetCount();

         for ( size_t n = 0; n < count; ++n )
         {
             if (TagAllChildrenUntilLast(children[n], last_item, select))
         for ( size_t n = 0; n < count; ++n )
         {
             if (TagAllChildrenUntilLast(children[n], last_item, select))

-                return TRUE;
+                return true;

         }
     }
 
         }
     }
 

-  return FALSE;
+  return false;

 }
 
 }
 

-void wxGenericTreeCtrl::SelectItemRange(wxGenericTreeItem *item1, wxGenericTreeItem *item2)
+void
+wxGenericTreeCtrl::SelectItemRange(wxGenericTreeItem *item1,
+                                   wxGenericTreeItem *item2)

 {
 {

-    // item2 is not necessary after item1
-    wxGenericTreeItem *first=NULL, *last=NULL;

     m_select_me = NULL;
 
     m_select_me = NULL;
 

+    // item2 is not necessary after item1

     // choice first' and 'last' between item1 and item2
     // choice first' and 'last' between item1 and item2

-    if (item1->GetY()<item2->GetY())
-    {
-        first=item1;
-        last=item2;
-    }
-    else
-    {
-        first=item2;
-        last=item1;
-    }
+    wxGenericTreeItem *first= (item1->GetY()<item2->GetY()) ? item1 : item2;
+    wxGenericTreeItem *last = (item1->GetY()<item2->GetY()) ? item2 : item1;

 
     bool select = m_current->IsSelected();
 
 
     bool select = m_current->IsSelected();
 


@@ -1759,14 +2043,14 @@ void wxGenericTreeCtrl::SelectItemRange(wxGenericTreeItem *item1, wxGenericTreeI
     TagNextChildren(first,last,select);
 }
 
     TagNextChildren(first,last,select);
 }
 

-void wxGenericTreeCtrl::SelectItem(const wxTreeItemId& itemId,
-                                   bool unselect_others,
-                                   bool extended_select)
+void wxGenericTreeCtrl::DoSelectItem(const wxTreeItemId& itemId,
+                                     bool unselect_others,
+                                     bool extended_select)

 {
     wxCHECK_RET( itemId.IsOk(), wxT("invalid tree item") );
 
     m_select_me = NULL;
 {
     wxCHECK_RET( itemId.IsOk(), wxT("invalid tree item") );
 
     m_select_me = NULL;

-    
+

     bool is_single=!(GetWindowStyleFlag() & wxTR_MULTIPLE);
     wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
 
     bool is_single=!(GetWindowStyleFlag() & wxTR_MULTIPLE);
     wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
 


@@ -1778,8 +2062,8 @@ void wxGenericTreeCtrl::SelectItem(const wxTreeItemId& itemId,
     {
         if (item->IsSelected())
             return; // nothing to do
     {
         if (item->IsSelected())
             return; // nothing to do

-        unselect_others = TRUE;
-        extended_select = FALSE;
+        unselect_others = true;
+        extended_select = false;

     }
     else if ( unselect_others && item->IsSelected() )
     {
     }
     else if ( unselect_others && item->IsSelected() )
     {


@@ -1789,10 +2073,8 @@ void wxGenericTreeCtrl::SelectItem(const wxTreeItemId& itemId,
             return;
     }
 
             return;
     }
 

-    wxTreeEvent event( wxEVT_COMMAND_TREE_SEL_CHANGING, GetId() );
-    event.m_item = (long) item;
-    event.m_itemOld = (long) m_current;
-    event.SetEventObject( this );
+    wxTreeEvent event(wxEVT_COMMAND_TREE_SEL_CHANGING, this, item);
+    event.m_itemOld = m_current;

     // TODO : Here we don't send any selection mode yet !
 
     if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() )
     // TODO : Here we don't send any selection mode yet !
 
     if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() )


@@ -1807,8 +2089,6 @@ void wxGenericTreeCtrl::SelectItem(const wxTreeItemId& itemId,
         parent = GetItemParent( parent );
     }
 
         parent = GetItemParent( parent );
     }
 

-    EnsureVisible( itemId );
-

     // ctrl press
     if (unselect_others)
     {
     // ctrl press
     if (unselect_others)
     {


@@ -1821,7 +2101,8 @@ void wxGenericTreeCtrl::SelectItem(const wxTreeItemId& itemId,
     {
         if ( !m_current )
         {
     {
         if ( !m_current )
         {

-            m_current = m_key_current = (wxGenericTreeItem*) GetRootItem().m_pItem;
+            m_current =
+            m_key_current = (wxGenericTreeItem*) GetRootItem().m_pItem;

         }
 
         // don't change the mark (m_current)
         }
 
         // don't change the mark (m_current)


@@ -1829,7 +2110,7 @@ void wxGenericTreeCtrl::SelectItem(const wxTreeItemId& itemId,
     }
     else
     {
     }
     else
     {

-        bool select=TRUE; // the default
+        bool select = true; // the default

 
         // Check if we need to toggle hilight (ctrl mode)
         if (!unselect_others)
 
         // Check if we need to toggle hilight (ctrl mode)
         if (!unselect_others)


@@ -1840,10 +2121,38 @@ void wxGenericTreeCtrl::SelectItem(const wxTreeItemId& itemId,
         RefreshLine( m_current );
     }
 
         RefreshLine( m_current );
     }
 

+    // This can cause idle processing to select the root
+    // if no item is selected, so it must be after the
+    // selection is set
+    EnsureVisible( itemId );
+

     event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED);
     GetEventHandler()->ProcessEvent( event );
 }
 
     event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED);
     GetEventHandler()->ProcessEvent( event );
 }
 

+void wxGenericTreeCtrl::SelectItem(const wxTreeItemId& itemId, bool select)
+{
+    if ( select )
+    {
+        DoSelectItem(itemId, !HasFlag(wxTR_MULTIPLE));
+    }
+    else // deselect
+    {
+        wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
+        wxCHECK_RET( item, wxT("SelectItem(): invalid tree item") );
+
+        wxTreeEvent event(wxEVT_COMMAND_TREE_SEL_CHANGING, this, item);
+        if ( GetEventHandler()->ProcessEvent( event ) && !event.IsAllowed() )
+            return;
+
+        item->SetHilight(false);
+        RefreshLine(item);
+
+        event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED);
+        GetEventHandler()->ProcessEvent( event );
+    }
+}
+

 void wxGenericTreeCtrl::FillArray(wxGenericTreeItem *item,
                                   wxArrayTreeItemIds &array) const
 {
 void wxGenericTreeCtrl::FillArray(wxGenericTreeItem *item,
                                   wxArrayTreeItemIds &array) const
 {


@@ -1869,11 +2178,13 @@ size_t wxGenericTreeCtrl::GetSelections(wxArrayTreeItemIds &array) const
     }
     //else: the tree is empty, so no selections
 
     }
     //else: the tree is empty, so no selections
 

-    return array.Count();
+    return array.GetCount();

 }
 
 void wxGenericTreeCtrl::EnsureVisible(const wxTreeItemId& item)
 {
 }
 
 void wxGenericTreeCtrl::EnsureVisible(const wxTreeItemId& item)
 {

+    wxCHECK_RET( item.IsOk(), wxT("invalid tree item") );
+

     if (!item.IsOk()) return;
 
     wxGenericTreeItem *gitem = (wxGenericTreeItem*) item.m_pItem;
     if (!item.IsOk()) return;
 
     wxGenericTreeItem *gitem = (wxGenericTreeItem*) item.m_pItem;


@@ -1910,8 +2221,12 @@ void wxGenericTreeCtrl::ScrollTo(const wxTreeItemId &item)
     // We have to call this here because the label in
     // question might just have been added and no screen
     // update taken place.
     // 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) wxYieldIfNeeded();
-
+    if (m_dirty)
+#if defined( __WXMSW__ ) || defined(__WXMAC__)
+        Update();
+#else
+        DoDirtyProcessing();
+#endif

     wxGenericTreeItem *gitem = (wxGenericTreeItem*) item.m_pItem;
 
     // now scroll to the item
     wxGenericTreeItem *gitem = (wxGenericTreeItem*) item.m_pItem;
 
     // now scroll to the item


@@ -1936,7 +2251,9 @@ void wxGenericTreeCtrl::ScrollTo(const wxTreeItemId &item)
         x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
         int x_pos = GetScrollPos( wxHORIZONTAL );
         // Item should appear at top
         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 );
+        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)
     {
     }
     else if (item_y+GetLineHeight(gitem) > start_y+client_h)
     {


@@ -1949,7 +2266,10 @@ void wxGenericTreeCtrl::ScrollTo(const wxTreeItemId &item)
         item_y += PIXELS_PER_UNIT+2;
         int x_pos = GetScrollPos( wxHORIZONTAL );
         // Item should appear at bottom
         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 );
+        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 );

     }
 }
 
     }
 }
 


@@ -1959,17 +2279,12 @@ static wxGenericTreeCtrl *s_treeBeingSorted = NULL;
 static int LINKAGEMODE tree_ctrl_compare_func(wxGenericTreeItem **item1,
                                   wxGenericTreeItem **item2)
 {
 static int LINKAGEMODE tree_ctrl_compare_func(wxGenericTreeItem **item1,
                                   wxGenericTreeItem **item2)
 {

-    wxCHECK_MSG( s_treeBeingSorted, 0, wxT("bug in wxGenericTreeCtrl::SortChildren()") );
+    wxCHECK_MSG( s_treeBeingSorted, 0,
+                 "bug in wxGenericTreeCtrl::SortChildren()" );

 
     return s_treeBeingSorted->OnCompareItems(*item1, *item2);
 }
 
 
     return s_treeBeingSorted->OnCompareItems(*item1, *item2);
 }
 

-int wxGenericTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
-                               const wxTreeItemId& item2)
-{
-    return wxStrcmp(GetItemText(item1), GetItemText(item2));
-}
-

 void wxGenericTreeCtrl::SortChildren(const wxTreeItemId& itemId)
 {
     wxCHECK_RET( itemId.IsOk(), wxT("invalid tree item") );
 void wxGenericTreeCtrl::SortChildren(const wxTreeItemId& itemId)
 {
     wxCHECK_RET( itemId.IsOk(), wxT("invalid tree item") );


@@ -1980,9 +2295,9 @@ void wxGenericTreeCtrl::SortChildren(const wxTreeItemId& itemId)
                  wxT("wxGenericTreeCtrl::SortChildren is not reentrant") );
 
     wxArrayGenericTreeItems& children = item->GetChildren();
                  wxT("wxGenericTreeCtrl::SortChildren is not reentrant") );
 
     wxArrayGenericTreeItems& children = item->GetChildren();

-    if ( children.Count() > 1 )
+    if ( children.GetCount() > 1 )

     {
     {

-        m_dirty = TRUE;
+        m_dirty = true;

 
         s_treeBeingSorted = this;
         children.Sort(tree_ctrl_compare_func);
 
         s_treeBeingSorted = this;
         children.Sort(tree_ctrl_compare_func);


@@ -1991,21 +2306,6 @@ void wxGenericTreeCtrl::SortChildren(const wxTreeItemId& itemId)
     //else: don't make the tree dirty as nothing changed
 }
 
     //else: don't make the tree dirty as nothing changed
 }
 

-wxImageList *wxGenericTreeCtrl::GetImageList() const
-{
-    return m_imageListNormal;
-}
-
-wxImageList *wxGenericTreeCtrl::GetButtonsImageList() const
-{
-    return m_imageListButtons;
-}
-
-wxImageList *wxGenericTreeCtrl::GetStateImageList() const
-{
-    return m_imageListState;
-}
-

 void wxGenericTreeCtrl::CalculateLineHeight()
 {
     wxClientDC dc(this);
 void wxGenericTreeCtrl::CalculateLineHeight()
 {
     wxClientDC dc(this);


@@ -2025,6 +2325,20 @@ void wxGenericTreeCtrl::CalculateLineHeight()
         }
     }
 
         }
     }
 

+    if ( m_imageListState )
+    {
+        // Calculate a m_lineHeight value from the state Image sizes.
+        // May be toggle off. Then wxGenericTreeCtrl will spread when
+        // necessary (which might look ugly).
+        int n = m_imageListState->GetImageCount();
+        for (int i = 0; i < n ; i++)
+        {
+            int width = 0, height = 0;
+            m_imageListState->GetSize(i, width, height);
+            if (height > m_lineHeight) m_lineHeight = height;
+        }
+    }
+

     if (m_imageListButtons)
     {
         // Calculate a m_lineHeight value from the Button image sizes.
     if (m_imageListButtons)
     {
         // Calculate a m_lineHeight value from the Button image sizes.


@@ -2049,8 +2363,12 @@ void wxGenericTreeCtrl::SetImageList(wxImageList *imageList)
 {
     if (m_ownsImageListNormal) delete m_imageListNormal;
     m_imageListNormal = imageList;
 {
     if (m_ownsImageListNormal) delete m_imageListNormal;
     m_imageListNormal = imageList;

-    m_ownsImageListNormal = FALSE;
-    m_dirty = TRUE;
+    m_ownsImageListNormal = false;
+    m_dirty = true;
+
+    if (m_anchor)
+        m_anchor->RecursiveResetSize();
+

     // Don't do any drawing if we're setting the list to NULL,
     // since we may be in the process of deleting the tree control.
     if (imageList)
     // Don't do any drawing if we're setting the list to NULL,
     // since we may be in the process of deleting the tree control.
     if (imageList)


@@ -2061,34 +2379,35 @@ void wxGenericTreeCtrl::SetStateImageList(wxImageList *imageList)
 {
     if (m_ownsImageListState) delete m_imageListState;
     m_imageListState = imageList;
 {
     if (m_ownsImageListState) delete m_imageListState;
     m_imageListState = imageList;

-    m_ownsImageListState = FALSE;
+    m_ownsImageListState = false;
+    m_dirty = true;
+
+    if (m_anchor)
+        m_anchor->RecursiveResetSize();
+
+    // Don't do any drawing if we're setting the list to NULL,
+    // since we may be in the process of deleting the tree control.
+    if (imageList)
+        CalculateLineHeight();

 }
 
 void wxGenericTreeCtrl::SetButtonsImageList(wxImageList *imageList)
 {
     if (m_ownsImageListButtons) delete m_imageListButtons;
     m_imageListButtons = imageList;
 }
 
 void wxGenericTreeCtrl::SetButtonsImageList(wxImageList *imageList)
 {
     if (m_ownsImageListButtons) delete m_imageListButtons;
     m_imageListButtons = imageList;

-    m_ownsImageListButtons = FALSE;
-    m_dirty = TRUE;
-    CalculateLineHeight();
-}
+    m_ownsImageListButtons = false;
+    m_dirty = true;

 
 

-void wxGenericTreeCtrl::AssignImageList(wxImageList *imageList)
-{
-    SetImageList(imageList);
-    m_ownsImageListNormal = TRUE;
-}
+    if (m_anchor)
+        m_anchor->RecursiveResetSize();

 
 

-void wxGenericTreeCtrl::AssignStateImageList(wxImageList *imageList)
-{
-    SetStateImageList(imageList);
-    m_ownsImageListState = TRUE;
+    CalculateLineHeight();

 }
 
 void wxGenericTreeCtrl::AssignButtonsImageList(wxImageList *imageList)
 {
     SetButtonsImageList(imageList);
 }
 
 void wxGenericTreeCtrl::AssignButtonsImageList(wxImageList *imageList)
 {
     SetButtonsImageList(imageList);

-    m_ownsImageListButtons = TRUE;
+    m_ownsImageListButtons = true;

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


@@ -2105,7 +2424,9 @@ void wxGenericTreeCtrl::AdjustMyScrollbars()
         x += PIXELS_PER_UNIT+2; // one more scrollbar unit + 2 pixels
         int x_pos = GetScrollPos( wxHORIZONTAL );
         int y_pos = GetScrollPos( wxVERTICAL );
         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 );
+        SetScrollbars( PIXELS_PER_UNIT, PIXELS_PER_UNIT,
+                       x/PIXELS_PER_UNIT, y/PIXELS_PER_UNIT,
+                       x_pos, y_pos );

     }
     else
     {
     }
     else
     {


@@ -2123,16 +2444,10 @@ int wxGenericTreeCtrl::GetLineHeight(wxGenericTreeItem *item) const
 
 void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc)
 {
 
 void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc)
 {

-    // TODO implement "state" icon on items
-
-    wxTreeItemAttr *attr = item->GetAttributes();
-    if ( attr && attr->HasFont() )
-        dc.SetFont(attr->GetFont());
-    else if (item->IsBold())
-        dc.SetFont(m_boldFont);
+    item->SetFont(this, dc);
+    item->CalculateSize(this, dc);

 
 

-    long text_w = 0, text_h = 0;
-    dc.GetTextExtent( item->GetText(), &text_w, &text_h );
+    wxCoord text_h = item->GetTextHeight();

 
     int image_h = 0, image_w = 0;
     int image = item->GetCurrentImage();
 
     int image_h = 0, image_w = 0;
     int image = item->GetCurrentImage();


@@ -2140,8 +2455,8 @@ void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc)
     {
         if ( m_imageListNormal )
         {
     {
         if ( m_imageListNormal )
         {

-            m_imageListNormal->GetSize( image, image_w, image_h );
-            image_w += 4;
+            m_imageListNormal->GetSize(image, image_w, image_h);
+            image_w += MARGIN_BETWEEN_IMAGE_AND_TEXT;

         }
         else
         {
         }
         else
         {


@@ -2149,84 +2464,208 @@ void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc)
         }
     }
 
         }
     }
 

-    int total_h = GetLineHeight(item);
-
-    if ( item->IsSelected() )
+    int state_h = 0, state_w = 0;
+    int state = item->GetState();
+    if ( state != wxTREE_ITEMSTATE_NONE )

     {
     {

-// under mac selections are only a rectangle in case they don't have the focus
-#ifdef __WXMAC__
-        if ( !m_hasFocus )
+        if ( m_imageListState )

         {
         {

-            dc.SetBrush( *wxTRANSPARENT_BRUSH ) ;
-            dc.SetPen( wxPen( wxSystemSettings::GetColour( wxSYS_COLOUR_HIGHLIGHT ) , 1 , wxSOLID ) ) ;
+            m_imageListState->GetSize(state, state_w, state_h);
+            if ( image_w != 0 )
+                state_w += MARGIN_BETWEEN_STATE_AND_IMAGE;
+            else
+                state_w += MARGIN_BETWEEN_IMAGE_AND_TEXT;

         }
         else
         {
         }
         else
         {

-            dc.SetBrush( *m_hilightBrush ) ;
+            state = wxTREE_ITEMSTATE_NONE;

         }
         }

-#else
+    }
+
+    int total_h = GetLineHeight(item);
+    bool drawItemBackground = false,
+         hasBgColour = false;
+
+    if ( item->IsSelected() )
+    {

         dc.SetBrush(*(m_hasFocus ? m_hilightBrush : m_hilightUnfocusedBrush));
         dc.SetBrush(*(m_hasFocus ? m_hilightBrush : m_hilightUnfocusedBrush));

-#endif
+        drawItemBackground = true;

     }
     else
     {
         wxColour colBg;
     }
     else
     {
         wxColour colBg;

+        wxTreeItemAttr * const attr = item->GetAttributes();

         if ( attr && attr->HasBackgroundColour() )
         if ( attr && attr->HasBackgroundColour() )

+        {
+            drawItemBackground =
+            hasBgColour = true;

             colBg = attr->GetBackgroundColour();
             colBg = attr->GetBackgroundColour();

+        }

         else
         else

-            colBg = m_backgroundColour;
-        dc.SetBrush(wxBrush(colBg, wxSOLID));
+        {
+            colBg = GetBackgroundColour();
+        }
+        dc.SetBrush(wxBrush(colBg, wxBRUSHSTYLE_SOLID));

     }
 
     int offset = HasFlag(wxTR_ROW_LINES) ? 1 : 0;
 
     if ( HasFlag(wxTR_FULL_ROW_HIGHLIGHT) )
     {
     }
 
     int offset = HasFlag(wxTR_ROW_LINES) ? 1 : 0;
 
     if ( HasFlag(wxTR_FULL_ROW_HIGHLIGHT) )
     {

-        int x, y, w, h;
+        int x, w, h;
+        x=0;
+        GetVirtualSize(&w, &h);
+        wxRect rect( x, item->GetY()+offset, w, total_h-offset);
+        if (!item->IsSelected())
+        {
+            dc.DrawRectangle(rect);
+        }
+        else
+        {
+            int flags = wxCONTROL_SELECTED;
+            if (m_hasFocus
+#if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__) && wxOSX_USE_CARBON // TODO CS
+                && IsControlActive( (ControlRef)GetHandle() )
+#endif
+            )
+                flags |= wxCONTROL_FOCUSED;
+            if ((item == m_current) && (m_hasFocus))
+                flags |= wxCONTROL_CURRENT;

 
 

-        DoGetPosition(&x, &y);
-        DoGetSize(&w, &h);
-        dc.DrawRectangle(x, item->GetY()+offset, w, total_h-offset);
+            wxRendererNative::Get().
+                DrawItemSelectionRect(this, dc, rect, flags);
+        }

     }
     }

-    else
+    else // no full row highlight

     {
     {

-        if ( item->IsSelected() && image != NO_IMAGE )
+        if ( item->IsSelected() &&
+                (state != wxTREE_ITEMSTATE_NONE || image != NO_IMAGE) )

         {
         {

-            // If it's selected, and there's an image, then we should
-            // take care to leave the area under the image painted in the
-            // background colour.
-            dc.DrawRectangle( item->GetX() + image_w - 2, item->GetY()+offset,
-                              item->GetWidth() - image_w + 2, total_h-offset );
+            // If it's selected, and there's an state image or normal image,
+            // then we should take care to leave the area under the image
+            // painted in the background colour.
+            wxRect rect( item->GetX() + state_w + image_w - 2,
+                         item->GetY() + offset,
+                         item->GetWidth() - state_w - image_w + 2,
+                         total_h - offset );
+#if !defined(__WXGTK20__) && !defined(__WXMAC__)
+            dc.DrawRectangle( rect );
+#else
+            rect.x -= 1;
+            rect.width += 2;
+
+            int flags = wxCONTROL_SELECTED;
+            if (m_hasFocus)
+                flags |= wxCONTROL_FOCUSED;
+            if ((item == m_current) && (m_hasFocus))
+                flags |= wxCONTROL_CURRENT;
+            wxRendererNative::Get().
+                DrawItemSelectionRect(this, dc, rect, flags);
+#endif

         }
         }

-        else
+        // On GTK+ 2, drawing a 'normal' background is wrong for themes that
+        // don't allow backgrounds to be customized. Not drawing the background,
+        // except for custom item backgrounds, works for both kinds of theme.
+        else if (drawItemBackground)

         {
         {

-            dc.DrawRectangle( item->GetX()-2, item->GetY()+offset,
-                              item->GetWidth()+2, total_h-offset );
+            wxRect rect( item->GetX() + state_w + image_w - 2,
+                         item->GetY() + offset,
+                         item->GetWidth() - state_w - image_w + 2,
+                         total_h - offset );
+            if ( hasBgColour )
+            {
+                dc.DrawRectangle( rect );
+            }
+            else // no specific background colour
+            {
+                rect.x -= 1;
+                rect.width += 2;
+
+                int flags = wxCONTROL_SELECTED;
+                if (m_hasFocus)
+                    flags |= wxCONTROL_FOCUSED;
+                if ((item == m_current) && (m_hasFocus))
+                    flags |= wxCONTROL_CURRENT;
+                wxRendererNative::Get().
+                    DrawItemSelectionRect(this, dc, rect, flags);
+            }

         }
     }
 
         }
     }
 

+    if ( state != wxTREE_ITEMSTATE_NONE )
+    {
+        dc.SetClippingRegion( item->GetX(), item->GetY(), state_w, total_h );
+        m_imageListState->Draw( state, dc,
+                                item->GetX(),
+                                item->GetY() +
+                                    (total_h > state_h ? (total_h-state_h)/2
+                                                       : 0),
+                                wxIMAGELIST_DRAW_TRANSPARENT );
+        dc.DestroyClippingRegion();
+    }
+

     if ( image != NO_IMAGE )
     {
     if ( image != NO_IMAGE )
     {

-        dc.SetClippingRegion( item->GetX(), item->GetY(), image_w-2, total_h );
+        dc.SetClippingRegion(item->GetX() + state_w, item->GetY(),
+                             image_w, total_h);

         m_imageListNormal->Draw( image, dc,
         m_imageListNormal->Draw( image, dc,

-                                 item->GetX(),
-                                 item->GetY() +((total_h > image_h)?((total_h-image_h)/2):0),
+                                 item->GetX() + state_w,
+                                 item->GetY() +
+                                    (total_h > image_h ? (total_h-image_h)/2
+                                                       : 0),

                                  wxIMAGELIST_DRAW_TRANSPARENT );
         dc.DestroyClippingRegion();
     }
 
                                  wxIMAGELIST_DRAW_TRANSPARENT );
         dc.DestroyClippingRegion();
     }
 

-    dc.SetBackgroundMode(wxTRANSPARENT);
+    dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);

     int extraH = (total_h > text_h) ? (total_h - text_h)/2 : 0;
     dc.DrawText( item->GetText(),
     int extraH = (total_h > text_h) ? (total_h - text_h)/2 : 0;
     dc.DrawText( item->GetText(),

-                 (wxCoord)(image_w + item->GetX()),
+                 (wxCoord)(state_w + image_w + item->GetX()),

                  (wxCoord)(item->GetY() + extraH));
 
     // restore normal font
     dc.SetFont( m_normalFont );
                  (wxCoord)(item->GetY() + extraH));
 
     // restore normal font
     dc.SetFont( m_normalFont );

+
+    if (item == m_dndEffectItem)
+    {
+        dc.SetPen( *wxBLACK_PEN );
+        // DnD visual effects
+        switch (m_dndEffect)
+        {
+            case BorderEffect:
+            {
+                dc.SetBrush(*wxTRANSPARENT_BRUSH);
+                int w = item->GetWidth() + 2;
+                int h = total_h + 2;
+                dc.DrawRectangle( item->GetX() - 1, item->GetY() - 1, w, h);
+                break;
+            }
+            case AboveEffect:
+            {
+                int x = item->GetX(),
+                    y = item->GetY();
+                dc.DrawLine( x, y, x + item->GetWidth(), y);
+                break;
+            }
+            case BelowEffect:
+            {
+                int x = item->GetX(),
+                    y = item->GetY();
+                y += total_h - 1;
+                dc.DrawLine( x, y, x + item->GetWidth(), y);
+                break;
+            }
+            case NoEffect:
+                break;
+        }
+    }

 }
 
 }
 

-// Now y stands for the top of the item, whereas it used to stand for middle !
-void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
+void
+wxGenericTreeCtrl::PaintLevel(wxGenericTreeItem *item,
+                              wxDC &dc,
+                              int level,
+                              int &y)

 {
     int x = level*m_indent;
     if (!HasFlag(wxTR_HIDE_ROOT))
 {
     int x = level*m_indent;
     if (!HasFlag(wxTR_HIDE_ROOT))


@@ -2238,7 +2677,7 @@ void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level
         // always expand hidden root
         int origY = y;
         wxArrayGenericTreeItems& children = item->GetChildren();
         // always expand hidden root
         int origY = y;
         wxArrayGenericTreeItems& children = item->GetChildren();

-        int count = children.Count();
+        int count = children.GetCount();

         if (count > 0)
         {
             int n = 0, oldY;
         if (count > 0)
         {
             int n = 0, oldY;


@@ -2247,7 +2686,8 @@ void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level
                 PaintLevel(children[n], dc, 1, y);
             } while (++n < count);
 
                 PaintLevel(children[n], dc, 1, y);
             } while (++n < count);
 

-            if (!HasFlag(wxTR_NO_LINES) && HasFlag(wxTR_LINES_AT_ROOT) && count > 0)
+            if ( !HasFlag(wxTR_NO_LINES) && HasFlag(wxTR_LINES_AT_ROOT)
+                    && count > 0 )

             {
                 // draw line down to last child
                 origY += GetLineHeight(children[0])>>1;
             {
                 // draw line down to last child
                 origY += GetLineHeight(children[0])>>1;


@@ -2271,7 +2711,7 @@ void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level
 
     if (IsExposed(exposed_x, exposed_y, 10000, h))  // 10000 = very much
     {
 
     if (IsExposed(exposed_x, exposed_y, 10000, h))  // 10000 = very much
     {

-        wxPen *pen =
+        const wxPen *pen =

 #ifndef __WXMAC__
             // don't draw rect outline if we already have the
             // background color under Mac
 #ifndef __WXMAC__
             // don't draw rect outline if we already have the
             // background color under Mac


@@ -2280,9 +2720,21 @@ void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level
             wxTRANSPARENT_PEN;
 
         wxColour colText;
             wxTRANSPARENT_PEN;
 
         wxColour colText;

-        if ( item->IsSelected() )
+        if ( item->IsSelected()
+#if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__) && wxOSX_USE_CARBON // TODO CS
+            // On wxMac, if the tree doesn't have the focus we draw an empty
+            // rectangle, so we want to make sure that the text is visible
+            // against the normal background, not the highlightbackground, so
+            // don't use the highlight text colour unless we have the focus.
+             && m_hasFocus && IsControlActive( (ControlRef)GetHandle() )
+#endif
+            )

         {
         {

+#ifdef __WXMAC__
+            colText = *wxWHITE;
+#else

             colText = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
             colText = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);

+#endif

         }
         else
         {
         }
         else
         {


@@ -2315,116 +2767,66 @@ void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level
         dc.SetPen(m_dottedPen);
         dc.SetTextForeground(*wxBLACK);
 
         dc.SetPen(m_dottedPen);
         dc.SetTextForeground(*wxBLACK);
 

-        if (item->HasPlus() && HasButtons())  // should the item show a button?
+        if ( !HasFlag(wxTR_NO_LINES) )

         {
         {

-            if (!HasFlag(wxTR_NO_LINES))
-            {
-                if (x > (signed)m_indent)
-                    dc.DrawLine(x - m_indent, y_mid, x - 5, y_mid);
-                else if (HasFlag(wxTR_LINES_AT_ROOT))
-                    dc.DrawLine(3, y_mid, x - 5, y_mid);
-                dc.DrawLine(x + 5, y_mid, x + m_spacing, y_mid);
-            }
+            // draw the horizontal line here
+            int x_start = x;
+            if (x > (signed)m_indent)
+                x_start -= m_indent;
+            else if (HasFlag(wxTR_LINES_AT_ROOT))
+                x_start = 3;
+            dc.DrawLine(x_start, y_mid, x + m_spacing, y_mid);
+        }

 
 

-            if (m_imageListButtons != NULL)
+        // should the item show a button?
+        if ( item->HasPlus() && HasButtons() )
+        {
+            if ( m_imageListButtons )

             {
                 // draw the image button here
             {
                 // draw the image button here

-                int image_h = 0, image_w = 0, image = wxTreeItemIcon_Normal;
-                if (item->IsExpanded()) image = wxTreeItemIcon_Expanded;
-                if (item->IsSelected())
+                int image_h = 0,
+                    image_w = 0;
+                int image = item->IsExpanded() ? wxTreeItemIcon_Expanded
+                                               : wxTreeItemIcon_Normal;
+                if ( item->IsSelected() )

                     image += wxTreeItemIcon_Selected - wxTreeItemIcon_Normal;
                     image += wxTreeItemIcon_Selected - wxTreeItemIcon_Normal;

+

                 m_imageListButtons->GetSize(image, image_w, image_h);
                 m_imageListButtons->GetSize(image, image_w, image_h);

-                int xx = x - (image_w>>1);
-                int yy = y_mid - (image_h>>1);
-                dc.SetClippingRegion(xx, yy, image_w, image_h);
+                int xx = x - image_w/2;
+                int yy = y_mid - image_h/2;
+
+                wxDCClipper clip(dc, xx, yy, image_w, image_h);

                 m_imageListButtons->Draw(image, dc, xx, yy,
                                          wxIMAGELIST_DRAW_TRANSPARENT);
                 m_imageListButtons->Draw(image, dc, xx, yy,
                                          wxIMAGELIST_DRAW_TRANSPARENT);

-                dc.DestroyClippingRegion();

             }
             }

-            else if (HasFlag(wxTR_TWIST_BUTTONS))
+            else // no custom buttons

             {
             {

-                // draw the twisty button here
-
-                if (HasFlag(wxTR_AQUA_BUTTONS))
-                {
-                    // This causes update problems, so disabling for now.
-#if 0 // def __WXMAC__
-                    wxMacPortSetter helper(&dc) ;
-                    wxMacWindowClipper clipper(this) ;
-                    wxDC::MacSetupBackgroundForCurrentPort( MacGetBackgroundBrush() ) ;
-
-                    int loc_x = x - 5 ;
-                    int loc_y = y_mid - 6 ;
-                    MacWindowToRootWindow( & loc_x , & loc_y ) ;
-                    Rect bounds = { loc_y , loc_x , loc_y + 18 , loc_x + 12 } ;
-                    ThemeButtonDrawInfo info = { kThemeStateActive , item->IsExpanded() ? kThemeDisclosureDown : kThemeDisclosureRight ,
-                        kThemeAdornmentNone }; 
-                    DrawThemeButton( &bounds, kThemeDisclosureButton , 
-                        &info , NULL , NULL , NULL , NULL ) ;
-#else
-                    if (item->IsExpanded())
-                        dc.DrawBitmap( *m_arrowDown, x-5, y_mid-6, TRUE );
-                    else
-                        dc.DrawBitmap( *m_arrowRight, x-5, y_mid-6, TRUE );
-#endif
-                }
-                else
-                {
-                    dc.SetBrush(*m_hilightBrush);
-                    dc.SetPen(*wxBLACK_PEN);
-                    wxPoint button[3];
-
-                    if (item->IsExpanded())
-                    {
-                        button[0].x = x-5;
-                        button[0].y = y_mid-2;
-                        button[1].x = x+5;
-                        button[1].y = y_mid-2;
-                        button[2].x = x;
-                        button[2].y = y_mid+3;
-                    }
-                    else
-                    {
-                        button[0].y = y_mid-5;
-                        button[0].x = x-2;
-                        button[1].y = y_mid+5;
-                        button[1].x = x-2;
-                        button[2].y = y_mid;
-                        button[2].x = x+3;
-                    }
-                    dc.DrawPolygon(3, button);
-                    dc.SetPen(m_dottedPen);
-                }
-            }
-            else // if (HasFlag(wxTR_HAS_BUTTONS))
-            {
-                // draw the plus sign here
-                dc.SetPen(*wxGREY_PEN);
-                dc.SetBrush(*wxWHITE_BRUSH);
-                dc.DrawRectangle(x-5, y_mid-4, 11, 9);
-                dc.SetPen(*wxBLACK_PEN);
-                dc.DrawLine(x-2, y_mid, x+3, y_mid);
-                if (!item->IsExpanded())
-                    dc.DrawLine(x, y_mid-2, x, y_mid+3);
-                dc.SetPen(m_dottedPen);
+                static const int wImage = 9;
+                static const int hImage = 9;
+
+                int flag = 0;
+                if (item->IsExpanded())
+                    flag |= wxCONTROL_EXPANDED;
+                if (item == m_underMouse)
+                    flag |= wxCONTROL_CURRENT;
+
+                wxRendererNative::Get().DrawTreeItemButton
+                                        (
+                                            this,
+                                            dc,
+                                            wxRect(x - wImage/2,
+                                                   y_mid - hImage/2,
+                                                   wImage, hImage),
+                                            flag
+                                        );

             }
         }
             }
         }

-        else if (!HasFlag(wxTR_NO_LINES))  // no button; maybe a line?
-        {
-            // draw the horizontal line here
-            int x_start = x;
-            if (x > (signed)m_indent)
-                x_start -= m_indent;
-            else if (HasFlag(wxTR_LINES_AT_ROOT))
-                x_start = 3;
-            dc.DrawLine(x_start, y_mid, x + m_spacing, y_mid);
-        }

     }
 
     if (item->IsExpanded())
     {
         wxArrayGenericTreeItems& children = item->GetChildren();
     }
 
     if (item->IsExpanded())
     {
         wxArrayGenericTreeItems& children = item->GetChildren();

-        int count = children.Count();
+        int count = children.GetCount();

         if (count > 0)
         {
             int n = 0, oldY;
         if (count > 0)
         {
             int n = 0, oldY;


@@ -2440,8 +2842,9 @@ void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level
                 oldY += GetLineHeight(children[n-1])>>1;
                 if (HasButtons()) y_mid += 5;
 
                 oldY += GetLineHeight(children[n-1])>>1;
                 if (HasButtons()) y_mid += 5;
 

-                // Only draw the portion of the line that is visible, in case it is huge
-                wxCoord        xOrigin=0, yOrigin=0, width, height;
+                // Only draw the portion of the line that is visible, in case
+                // it is huge
+                wxCoord xOrigin=0, yOrigin=0, width, height;

                 dc.GetDeviceOrigin(&xOrigin, &yOrigin);
                 yOrigin = abs(yOrigin);
                 GetClientSize(&width, &height);
                 dc.GetDeviceOrigin(&xOrigin, &yOrigin);
                 yOrigin = abs(yOrigin);
                 GetClientSize(&width, &height);


@@ -2452,8 +2855,8 @@ void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level
                 if (oldY > yOrigin + height)
                     oldY = yOrigin + height;
 
                 if (oldY > yOrigin + height)
                     oldY = yOrigin + height;
 

-                // after the adjustments if y_mid is larger than oldY then the line
-                // isn't visible at all so don't draw anything
+                // after the adjustments if y_mid is larger than oldY then the
+                // line isn't visible at all so don't draw anything

                 if (y_mid < oldY)
                     dc.DrawLine(x, y_mid, x, oldY);
             }
                 if (y_mid < oldY)
                     dc.DrawLine(x, y_mid, x, oldY);
             }


@@ -2474,10 +2877,10 @@ void wxGenericTreeCtrl::DrawDropEffect(wxGenericTreeItem *item)
         {
             // draw a line under the drop target because the item will be
             // dropped there
         {
             // draw a line under the drop target because the item will be
             // dropped there

-            DrawLine(item, TRUE /* below */);
+            DrawLine(item, !m_dropEffectAboveItem );

         }
 
         }
 

-        SetCursor(wxCURSOR_BULLSEYE);
+        SetCursor(*wxSTANDARD_CURSOR);

     }
     else
     {
     }
     else
     {


@@ -2488,45 +2891,65 @@ void wxGenericTreeCtrl::DrawDropEffect(wxGenericTreeItem *item)
 
 void wxGenericTreeCtrl::DrawBorder(const wxTreeItemId &item)
 {
 
 void wxGenericTreeCtrl::DrawBorder(const wxTreeItemId &item)
 {

-    wxCHECK_RET( item.IsOk(), _T("invalid item in wxGenericTreeCtrl::DrawLine") );
+    wxCHECK_RET( item.IsOk(), "invalid item in wxGenericTreeCtrl::DrawLine" );

 
     wxGenericTreeItem *i = (wxGenericTreeItem*) item.m_pItem;
 
 
     wxGenericTreeItem *i = (wxGenericTreeItem*) 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;
+    if (m_dndEffect == NoEffect)
+    {
+        m_dndEffect = BorderEffect;
+        m_dndEffectItem = i;
+    }
+    else
+    {
+        m_dndEffect = NoEffect;
+        m_dndEffectItem = NULL;
+    }

 
 

-    dc.DrawRectangle( i->GetX() - 1, i->GetY() - 1, w, h);
+    wxRect rect( i->GetX()-1, i->GetY()-1, i->GetWidth()+2, GetLineHeight(i)+2 );
+    CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
+    RefreshRect( rect );

 }
 
 void wxGenericTreeCtrl::DrawLine(const wxTreeItemId &item, bool below)
 {
 }
 
 void wxGenericTreeCtrl::DrawLine(const wxTreeItemId &item, bool below)
 {

-    wxCHECK_RET( item.IsOk(), _T("invalid item in wxGenericTreeCtrl::DrawLine") );
+    wxCHECK_RET( item.IsOk(), "invalid item in wxGenericTreeCtrl::DrawLine" );

 
     wxGenericTreeItem *i = (wxGenericTreeItem*) item.m_pItem;
 
 
     wxGenericTreeItem *i = (wxGenericTreeItem*) item.m_pItem;
 

-    wxClientDC dc(this);
-    PrepareDC( dc );
-    dc.SetLogicalFunction(wxINVERT);
-
-    int x = i->GetX(),
-        y = i->GetY();
-    if ( below )
+    if (m_dndEffect == NoEffect)
+    {
+        if (below)
+            m_dndEffect = BelowEffect;
+        else
+            m_dndEffect = AboveEffect;
+        m_dndEffectItem = i;
+    }
+    else

     {
     {

-        y += GetLineHeight(i) - 1;
+        m_dndEffect = NoEffect;
+        m_dndEffectItem = NULL;

     }
 
     }
 

-    dc.DrawLine( x, y, x + i->GetWidth(), y);
+    wxRect rect( i->GetX()-1, i->GetY()-1, i->GetWidth()+2, GetLineHeight(i)+2 );
+    CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
+    RefreshRect( rect );

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

-// wxWindows callbacks
+// wxWidgets callbacks

 // -----------------------------------------------------------------------------
 
 // -----------------------------------------------------------------------------
 

+void wxGenericTreeCtrl::OnSize( wxSizeEvent &event )
+{
+#ifdef __WXGTK__
+    if (HasFlag( wxTR_FULL_ROW_HIGHLIGHT) && m_current)
+        RefreshLine( m_current );
+#endif
+
+    event.Skip(true);
+}
+

 void wxGenericTreeCtrl::OnPaint( wxPaintEvent &WXUNUSED(event) )
 {
     wxPaintDC dc(this);
 void wxGenericTreeCtrl::OnPaint( wxPaintEvent &WXUNUSED(event) )
 {
     wxPaintDC dc(this);


@@ -2548,7 +2971,7 @@ void wxGenericTreeCtrl::OnPaint( wxPaintEvent &WXUNUSED(event) )
 
 void wxGenericTreeCtrl::OnSetFocus( wxFocusEvent &event )
 {
 
 void wxGenericTreeCtrl::OnSetFocus( wxFocusEvent &event )
 {

-    m_hasFocus = TRUE;
+    m_hasFocus = true;

 
     RefreshSelected();
 
 
     RefreshSelected();
 


@@ -2557,7 +2980,7 @@ void wxGenericTreeCtrl::OnSetFocus( wxFocusEvent &event )
 
 void wxGenericTreeCtrl::OnKillFocus( wxFocusEvent &event )
 {
 
 void wxGenericTreeCtrl::OnKillFocus( wxFocusEvent &event )
 {

-    m_hasFocus = FALSE;
+    m_hasFocus = false;

 
     RefreshSelected();
 
 
     RefreshSelected();
 


@@ -2566,9 +2989,8 @@ void wxGenericTreeCtrl::OnKillFocus( wxFocusEvent &event )
 
 void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
 {
 
 void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
 {

-    wxTreeEvent te( wxEVT_COMMAND_TREE_KEY_DOWN, GetId() );
+    wxTreeEvent te( wxEVT_COMMAND_TREE_KEY_DOWN, this);

     te.m_evtKey = event;
     te.m_evtKey = event;

-    te.SetEventObject( this );

     if ( GetEventHandler()->ProcessEvent( te ) )
     {
         // intercepted by the user code
     if ( GetEventHandler()->ProcessEvent( te ) )
     {
         // intercepted by the user code


@@ -2585,9 +3007,17 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
     bool is_multiple, extended_select, unselect_others;
     EventFlagsToSelType(GetWindowStyleFlag(),
                         event.ShiftDown(),
     bool is_multiple, extended_select, unselect_others;
     EventFlagsToSelType(GetWindowStyleFlag(),
                         event.ShiftDown(),

-                        event.ControlDown(),
+                        event.CmdDown(),

                         is_multiple, extended_select, unselect_others);
 
                         is_multiple, extended_select, unselect_others);
 

+    if (GetLayoutDirection() == wxLayout_RightToLeft)
+    {
+        if (event.GetKeyCode() == WXK_RIGHT)
+            event.m_keyCode = WXK_LEFT;
+        else if (event.GetKeyCode() == WXK_LEFT)
+            event.m_keyCode = WXK_RIGHT;
+    }
+

     // + : Expand
     // - : Collaspe
     // * : Expand all/Collapse all
     // + : Expand
     // - : Collaspe
     // * : Expand all/Collapse all


@@ -2615,7 +3045,7 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
             if ( !IsExpanded(m_current) )
             {
                 // expand all
             if ( !IsExpanded(m_current) )
             {
                 // expand all

-                ExpandAll(m_current);
+                ExpandAllChildren(m_current);

                 break;
             }
             //else: fall through to Collapse() it
                 break;
             }
             //else: fall through to Collapse() it


@@ -2628,14 +3058,30 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
             }
             break;
 
             }
             break;
 

+        case WXK_MENU:
+            {
+                // Use the item's bounding rectangle to determine position for
+                // the event
+                wxRect ItemRect;
+                GetBoundingRect(m_current, ItemRect, true);
+
+                wxTreeEvent
+                    eventMenu(wxEVT_COMMAND_TREE_ITEM_MENU, this, m_current);
+                // Use the left edge, vertical middle
+                eventMenu.m_pointDrag = wxPoint(ItemRect.GetX(),
+                                                ItemRect.GetY() +
+                                                    ItemRect.GetHeight() / 2);
+                GetEventHandler()->ProcessEvent( eventMenu );
+            }
+            break;
+

         case ' ':
         case WXK_RETURN:
             if ( !event.HasModifiers() )
             {
         case ' ':
         case WXK_RETURN:
             if ( !event.HasModifiers() )
             {

-                wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
-                event.m_item = (long) m_current;
-                event.SetEventObject( this );
-                GetEventHandler()->ProcessEvent( event );
+                wxTreeEvent
+                   eventAct(wxEVT_COMMAND_TREE_ITEM_ACTIVATED, this, m_current);
+                GetEventHandler()->ProcessEvent( eventAct );

             }
 
             // in any case, also generate the normal key event for this key,
             }
 
             // in any case, also generate the normal key event for this key,


@@ -2660,14 +3106,17 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
                     }
                     if (prev)
                     {
                     }
                     if (prev)
                     {

-                        long cookie = 0;
+                        wxTreeItemIdValue cookie;

                         wxTreeItemId current = m_key_current;
                         wxTreeItemId current = m_key_current;

-                        // TODO: Huh?  If we get here, we'd better be the first child of our parent.  How else could it be?
+                        // TODO: Huh?  If we get here, we'd better be the first
+                        // child of our parent.  How else could it be?

                         if (current == GetFirstChild( prev, cookie ))
                         {
                             // otherwise we return to where we came from
                         if (current == GetFirstChild( prev, cookie ))
                         {
                             // otherwise we return to where we came from

-                            SelectItem( prev, unselect_others, extended_select );
-                            m_key_current= (wxGenericTreeItem*) prev.m_pItem;
+                            DoSelectItem(prev,
+                                         unselect_others,
+                                         extended_select);
+                            m_key_current = (wxGenericTreeItem*) prev.m_pItem;

                             break;
                         }
                     }
                             break;
                         }
                     }


@@ -2683,7 +3132,7 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
                         }
                     }
 
                         }
                     }
 

-                    SelectItem( prev, unselect_others, extended_select );
+                    DoSelectItem( prev, unselect_others, extended_select );

                     m_key_current=(wxGenericTreeItem*) prev.m_pItem;
                 }
             }
                     m_key_current=(wxGenericTreeItem*) prev.m_pItem;
                 }
             }


@@ -2700,7 +3149,7 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
                 }
                 if (prev)
                 {
                 }
                 if (prev)
                 {

-                    SelectItem( prev, unselect_others, extended_select );
+                    DoSelectItem( prev, unselect_others, extended_select );

                 }
             }
             break;
                 }
             }
             break;


@@ -2708,16 +3157,23 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
         case WXK_RIGHT:
             // this works the same as the down arrow except that we
             // also expand the item if it wasn't expanded yet
         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);
+            if (m_current != GetRootItem().m_pItem || !HasFlag(wxTR_HIDE_ROOT))
+                Expand(m_current);
+            //else: don't try to expand hidden root item (which can be the
+            //      current one when the tree is empty)
+

             // fall through
 
         case WXK_DOWN:
             {
                 if (IsExpanded(m_key_current) && HasChildren(m_key_current))
                 {
             // fall through
 
         case WXK_DOWN:
             {
                 if (IsExpanded(m_key_current) && HasChildren(m_key_current))
                 {

-                    long cookie = 0;
+                    wxTreeItemIdValue cookie;

                     wxTreeItemId child = GetFirstChild( m_key_current, cookie );
                     wxTreeItemId child = GetFirstChild( m_key_current, cookie );

-                    SelectItem( child, unselect_others, extended_select );
+                    if ( !child )
+                        break;
+
+                    DoSelectItem( child, unselect_others, extended_select );

                     m_key_current=(wxGenericTreeItem*) child.m_pItem;
                 }
                 else
                     m_key_current=(wxGenericTreeItem*) child.m_pItem;
                 }
                 else


@@ -2726,7 +3182,7 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
                     if (!next)
                     {
                         wxTreeItemId current = m_key_current;
                     if (!next)
                     {
                         wxTreeItemId current = m_key_current;

-                        while (current && !next)
+                        while (current.IsOk() && !next)

                         {
                             current = GetItemParent( current );
                             if (current) next = GetNextSibling( current );
                         {
                             current = GetItemParent( current );
                             if (current) next = GetNextSibling( current );


@@ -2734,7 +3190,7 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
                     }
                     if (next)
                     {
                     }
                     if (next)
                     {

-                        SelectItem( next, unselect_others, extended_select );
+                        DoSelectItem( next, unselect_others, extended_select );

                         m_key_current=(wxGenericTreeItem*) next.m_pItem;
                     }
                 }
                         m_key_current=(wxGenericTreeItem*) next.m_pItem;
                     }
                 }


@@ -2752,7 +3208,7 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
 
                     // it may happen if the item was expanded but then all of
                     // its children have been deleted - so IsExpanded() returned
 
                     // 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
+                    // true, but GetLastChild() returned invalid item

                     if ( !lastChild )
                         break;
 
                     if ( !lastChild )
                         break;
 


@@ -2761,7 +3217,7 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
 
                 if ( last.IsOk() )
                 {
 
                 if ( last.IsOk() )
                 {

-                    SelectItem( last, unselect_others, extended_select );
+                    DoSelectItem( last, unselect_others, extended_select );

                 }
             }
             break;
                 }
             }
             break;


@@ -2775,13 +3231,13 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
 
                 if ( HasFlag(wxTR_HIDE_ROOT) )
                 {
 
                 if ( HasFlag(wxTR_HIDE_ROOT) )
                 {

-                    long dummy;
-                    prev = GetFirstChild(prev, dummy);
+                    wxTreeItemIdValue cookie;
+                    prev = GetFirstChild(prev, cookie);

                     if (!prev)
                         break;
                 }
 
                     if (!prev)
                         break;
                 }
 

-                SelectItem( prev, unselect_others, extended_select );
+                DoSelectItem( prev, unselect_others, extended_select );

             }
             break;
 
             }
             break;
 


@@ -2793,9 +3249,9 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
                   (keyCode >= 'A' && keyCode <= 'Z' )))
             {
                 // find the next item starting with the given prefix
                   (keyCode >= 'A' && keyCode <= 'Z' )))
             {
                 // find the next item starting with the given prefix

-                char ch = (char)keyCode;
+                wxChar ch = (wxChar)keyCode;

 
 

-                wxTreeItemId id = FindItem(m_current, m_findPrefix + (wxChar)ch);
+                wxTreeItemId id = FindItem(m_current, m_findPrefix + ch);

                 if ( !id.IsOk() )
                 {
                     // no such item
                 if ( !id.IsOk() )
                 {
                     // no such item


@@ -2823,11 +3279,9 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
     }
 }
 
     }
 }
 

-wxTreeItemId wxGenericTreeCtrl::HitTest(const wxPoint& point, int& flags)
+wxTreeItemId
+wxGenericTreeCtrl::DoTreeHitTest(const wxPoint& point, int& flags) const

 {
 {

-    // JACS: removed wxYieldIfNeeded() because it can cause the window
-    // to be deleted from under us if a close window event is pending
-

     int w, h;
     GetSize(&w, &h);
     flags=0;
     int w, h;
     GetSize(&w, &h);
     flags=0;


@@ -2856,48 +3310,83 @@ wxTreeItemId wxGenericTreeCtrl::HitTest(const wxPoint& point, int& flags)
 // get the bounding rectangle of the item (or of its label only)
 bool wxGenericTreeCtrl::GetBoundingRect(const wxTreeItemId& item,
                                         wxRect& rect,
 // get the bounding rectangle of the item (or of its label only)
 bool wxGenericTreeCtrl::GetBoundingRect(const wxTreeItemId& item,
                                         wxRect& rect,

-                                        bool WXUNUSED(textOnly)) const
+                                        bool textOnly) const

 {
 {

-    wxCHECK_MSG( item.IsOk(), FALSE, _T("invalid item in wxGenericTreeCtrl::GetBoundingRect") );
+    wxCHECK_MSG( item.IsOk(), false,
+                 "invalid item in wxGenericTreeCtrl::GetBoundingRect" );

 
     wxGenericTreeItem *i = (wxGenericTreeItem*) item.m_pItem;
 
 
     wxGenericTreeItem *i = (wxGenericTreeItem*) item.m_pItem;
 

-    int startX, startY;
-    GetViewStart(& startX, & startY);
+    if ( textOnly )
+    {
+        int image_h = 0, image_w = 0;
+        int image = ((wxGenericTreeItem*) item.m_pItem)->GetCurrentImage();
+        if ( image != NO_IMAGE && m_imageListNormal )
+        {
+            m_imageListNormal->GetSize( image, image_w, image_h );
+            image_w += MARGIN_BETWEEN_IMAGE_AND_TEXT;
+        }
+
+        int state_h = 0, state_w = 0;
+        int state = ((wxGenericTreeItem*) item.m_pItem)->GetState();
+        if ( state != wxTREE_ITEMSTATE_NONE && m_imageListState )
+        {
+            m_imageListState->GetSize( state, state_w, state_h );
+            if ( image_w != 0 )
+                state_w += MARGIN_BETWEEN_STATE_AND_IMAGE;
+            else
+                state_w += MARGIN_BETWEEN_IMAGE_AND_TEXT;
+        }
+
+        rect.x = i->GetX() + state_w + image_w;
+        rect.width = i->GetWidth() - state_w - image_w;

 
 

-    rect.x = i->GetX() - startX*PIXELS_PER_UNIT;
-    rect.y = i->GetY() - startY*PIXELS_PER_UNIT;
-    rect.width = i->GetWidth();
-    //rect.height = i->GetHeight();
+    }
+    else // the entire line
+    {
+        rect.x = 0;
+        rect.width = GetClientSize().x;
+    }
+
+    rect.y = i->GetY();

     rect.height = GetLineHeight(i);
 
     rect.height = GetLineHeight(i);
 

-    return TRUE;
+    // we have to return the logical coordinates, not physical ones
+    rect.SetTopLeft(CalcScrolledPosition(rect.GetTopLeft()));
+
+    return true;

 }
 
 }
 

-void wxGenericTreeCtrl::Edit( const wxTreeItemId& item )
+wxTextCtrl *wxGenericTreeCtrl::EditLabel(const wxTreeItemId& item,
+                                  wxClassInfo * WXUNUSED(textCtrlClass))

 {
 {

-    wxCHECK_RET( item.IsOk(), _T("can't edit an invalid item") );
+    wxCHECK_MSG( item.IsOk(), NULL, _T("can't edit an invalid item") );

 
     wxGenericTreeItem *itemEdit = (wxGenericTreeItem *)item.m_pItem;
 
 
     wxGenericTreeItem *itemEdit = (wxGenericTreeItem *)item.m_pItem;
 

-    wxTreeEvent te( wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, GetId() );
-    te.m_item = (long) itemEdit;
-    te.SetEventObject( this );
+    wxTreeEvent te(wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, this, itemEdit);

     if ( GetEventHandler()->ProcessEvent( te ) && !te.IsAllowed() )
     {
         // vetoed by user
     if ( GetEventHandler()->ProcessEvent( te ) && !te.IsAllowed() )
     {
         // vetoed by user

-        return;
+        return NULL;

     }
 
     // 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 )
     }
 
     // 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 )

-        wxYieldIfNeeded();
+#if defined( __WXMSW__ ) || defined(__WXMAC__)
+        Update();
+#else
+        DoDirtyProcessing();
+#endif

 
 

+    // TODO: use textCtrlClass here to create the control of correct class

     m_textCtrl = new wxTreeTextCtrl(this, itemEdit);
 
     m_textCtrl->SetFocus();
     m_textCtrl = new wxTreeTextCtrl(this, itemEdit);
 
     m_textCtrl->SetFocus();

+
+    return m_textCtrl;

 }
 
 // returns a pointer to the text edit control if the item is being
 }
 
 // returns a pointer to the text edit control if the item is being


@@ -2908,14 +3397,20 @@ wxTextCtrl* wxGenericTreeCtrl::GetEditControl() const
     return m_textCtrl;
 }
 
     return m_textCtrl;
 }
 

+void wxGenericTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item),
+                                     bool discardChanges)
+{
+    wxCHECK_RET( m_textCtrl, _T("not editing label") );
+
+    m_textCtrl->EndEdit(discardChanges);
+}
+

 bool wxGenericTreeCtrl::OnRenameAccept(wxGenericTreeItem *item,
                                        const wxString& value)
 {
 bool wxGenericTreeCtrl::OnRenameAccept(wxGenericTreeItem *item,
                                        const wxString& value)
 {

-    wxTreeEvent le( wxEVT_COMMAND_TREE_END_LABEL_EDIT, GetId() );
-    le.m_item = (long) item;
-    le.SetEventObject( this );
+    wxTreeEvent le(wxEVT_COMMAND_TREE_END_LABEL_EDIT, this, item);

     le.m_label = value;
     le.m_label = value;

-    le.m_editCancelled = FALSE;
+    le.m_editCancelled = false;

 
     return !GetEventHandler()->ProcessEvent( le ) || le.IsAllowed();
 }
 
     return !GetEventHandler()->ProcessEvent( le ) || le.IsAllowed();
 }


@@ -2923,32 +3418,87 @@ bool wxGenericTreeCtrl::OnRenameAccept(wxGenericTreeItem *item,
 void wxGenericTreeCtrl::OnRenameCancelled(wxGenericTreeItem *item)
 {
     // let owner know that the edit was cancelled
 void wxGenericTreeCtrl::OnRenameCancelled(wxGenericTreeItem *item)
 {
     // let owner know that the edit was cancelled

-    wxTreeEvent le( wxEVT_COMMAND_TREE_END_LABEL_EDIT, GetId() );
-    le.m_item = (long) item;
-    le.SetEventObject( this );
+    wxTreeEvent le(wxEVT_COMMAND_TREE_END_LABEL_EDIT, this, item);

     le.m_label = wxEmptyString;
     le.m_label = wxEmptyString;

-    le.m_editCancelled = TRUE;
+    le.m_editCancelled = true;

 
     GetEventHandler()->ProcessEvent( le );
 }
 
 
     GetEventHandler()->ProcessEvent( le );
 }
 

-
-
-

 void wxGenericTreeCtrl::OnRenameTimer()
 {
 void wxGenericTreeCtrl::OnRenameTimer()
 {

-    Edit( m_current );
+    EditLabel( m_current );

 }
 
 void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
 {
 }
 
 void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
 {

-    if ( !m_anchor ) return;
+    if ( !m_anchor )return;
+
+    wxPoint pt = CalcUnscrolledPosition(event.GetPosition());
+
+    // Is the mouse over a tree item button?
+    int flags = 0;
+    wxGenericTreeItem *thisItem = m_anchor->HitTest(pt, this, flags, 0);
+    wxGenericTreeItem *underMouse = thisItem;
+#if wxUSE_TOOLTIPS
+    bool underMouseChanged = (underMouse != m_underMouse) ;
+#endif // wxUSE_TOOLTIPS
+
+    if ((underMouse) &&
+        (flags & wxTREE_HITTEST_ONITEMBUTTON) &&
+        (!event.LeftIsDown()) &&
+        (!m_isDragging) &&
+        (!m_renameTimer || !m_renameTimer->IsRunning()))
+    {
+    }
+    else
+    {
+        underMouse = NULL;
+    }
+
+    if (underMouse != m_underMouse)
+    {
+         if (m_underMouse)
+         {
+            // unhighlight old item
+            wxGenericTreeItem *tmp = m_underMouse;
+            m_underMouse = NULL;
+            RefreshLine( tmp );
+         }
+
+         m_underMouse = underMouse;
+         if (m_underMouse)
+            RefreshLine( m_underMouse );
+    }
+
+#if wxUSE_TOOLTIPS
+    // Determines what item we are hovering over and need a tooltip for
+    wxTreeItemId hoverItem = thisItem;

 
 

-    // we process left mouse up event (enables in-place edit), right down
+    // We do not want a tooltip if we are dragging, or if the rename timer is
+    // running
+    if ( underMouseChanged &&
+            hoverItem.IsOk() &&
+              !m_isDragging &&
+                (!m_renameTimer || !m_renameTimer->IsRunning()) )
+    {
+        // Ask the tree control what tooltip (if any) should be shown
+        wxTreeEvent
+            hevent(wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP,  this, hoverItem);
+
+        if ( GetEventHandler()->ProcessEvent(hevent) && hevent.IsAllowed() )
+        {
+            SetToolTip(hevent.m_label);
+        }
+    }
+#endif
+
+    // we process left mouse up event (enables in-place edit), middle/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() ||
     // (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.MiddleDown() ||

            event.RightDown() ||
            event.LeftDClick() ||
            event.Dragging() ||
            event.RightDown() ||
            event.LeftDClick() ||
            event.Dragging() ||


@@ -2959,9 +3509,8 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
         return;
     }
 
         return;
     }
 

-    wxPoint pt = CalcUnscrolledPosition(event.GetPosition());

 
 

-    int flags = 0;
+    flags = 0;

     wxGenericTreeItem *item = m_anchor->HitTest(pt, this, flags, 0);
 
     if ( event.Dragging() && !m_isDragging )
     wxGenericTreeItem *item = m_anchor->HitTest(pt, this, flags, 0);
 
     if ( event.Dragging() && !m_isDragging )


@@ -2981,9 +3530,8 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
                               ? wxEVT_COMMAND_TREE_BEGIN_RDRAG
                               : wxEVT_COMMAND_TREE_BEGIN_DRAG;
 
                               ? wxEVT_COMMAND_TREE_BEGIN_RDRAG
                               : wxEVT_COMMAND_TREE_BEGIN_DRAG;
 

-        wxTreeEvent nevent( command, GetId() );
-        nevent.m_item = (long) m_current;
-        nevent.SetEventObject(this);
+        wxTreeEvent nevent(command,  this, m_current);
+        nevent.SetPoint(CalcScrolledPosition(pt));

 
         // by default the dragging is not supported, the user code must
         // explicitly allow the event for it to take place
 
         // by default the dragging is not supported, the user code must
         // explicitly allow the event for it to take place


@@ -2992,7 +3540,7 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
         if ( GetEventHandler()->ProcessEvent(nevent) && nevent.IsAllowed() )
         {
             // we're going to drag this item
         if ( GetEventHandler()->ProcessEvent(nevent) && nevent.IsAllowed() )
         {
             // we're going to drag this item

-            m_isDragging = TRUE;
+            m_isDragging = true;

 
             // remember the old cursor because we will change it while
             // dragging
 
             // remember the old cursor because we will change it while
             // dragging


@@ -3005,7 +3553,7 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
 
                 if ( m_oldSelection )
                 {
 
                 if ( m_oldSelection )
                 {

-                    m_oldSelection->SetHilight(FALSE);
+                    m_oldSelection->SetHilight(false);

                     RefreshLine(m_oldSelection);
                 }
             }
                     RefreshLine(m_oldSelection);
                 }
             }


@@ -3013,7 +3561,7 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
             CaptureMouse();
         }
     }
             CaptureMouse();
         }
     }

-    else if ( event.Moving() )
+    else if ( event.Dragging() )

     {
         if ( item != m_dropTarget )
         {
     {
         if ( item != m_dropTarget )
         {


@@ -3025,41 +3573,59 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
             // highlight the current drop target if any
             DrawDropEffect(m_dropTarget);
 
             // highlight the current drop target if any
             DrawDropEffect(m_dropTarget);
 

+#if defined(__WXMSW__) || defined(__WXMAC__) || defined(__WXGTK20__)
+            Update();
+#else

             wxYieldIfNeeded();
             wxYieldIfNeeded();

+#endif

         }
     }
     else if ( (event.LeftUp() || event.RightUp()) && m_isDragging )
     {
         }
     }
     else if ( (event.LeftUp() || event.RightUp()) && m_isDragging )
     {

+        ReleaseMouse();
+

         // erase the highlighting
         DrawDropEffect(m_dropTarget);
 
         if ( m_oldSelection )
         {
         // erase the highlighting
         DrawDropEffect(m_dropTarget);
 
         if ( m_oldSelection )
         {

-            m_oldSelection->SetHilight(TRUE);
+            m_oldSelection->SetHilight(true);

             RefreshLine(m_oldSelection);
             RefreshLine(m_oldSelection);

-            m_oldSelection = (wxGenericTreeItem *)NULL;
+            m_oldSelection = NULL;

         }
 
         // generate the drag end event
         }
 
         // generate the drag end event

-        wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, GetId());
-
-        event.m_item = (long) item;
-        event.m_pointDrag = pt;
-        event.SetEventObject(this);
+        wxTreeEvent eventEndDrag(wxEVT_COMMAND_TREE_END_DRAG,  this, item);

 
 

-        (void)GetEventHandler()->ProcessEvent(event);
+        eventEndDrag.m_pointDrag = CalcScrolledPosition(pt);

 
 

-        m_isDragging = FALSE;
-        m_dropTarget = (wxGenericTreeItem *)NULL;
+        (void)GetEventHandler()->ProcessEvent(eventEndDrag);

 
 

-        ReleaseMouse();
+        m_isDragging = false;
+        m_dropTarget = NULL;

 
         SetCursor(m_oldCursor);
 
 
         SetCursor(m_oldCursor);
 

+#if defined( __WXMSW__ ) || defined(__WXMAC__)
+        Update();
+#else

         wxYieldIfNeeded();
         wxYieldIfNeeded();

+#endif

     }
     else
     {
     }
     else
     {

+        // If we got to this point, we are not dragging or moving the mouse.
+        // Because the code in carbon/toplevel.cpp will only set focus to the
+        // tree if we skip for EVT_LEFT_DOWN, we MUST skip this event here for
+        // focus to work.
+        // We skip even if we didn't hit an item because we still should
+        // restore focus to the tree control even if we didn't exactly hit an
+        // item.
+        if ( event.LeftDown() )
+        {
+            event.Skip();
+        }
+

         // here we process only the messages which happen on tree items
 
         m_dragCount = 0;
         // here we process only the messages which happen on tree items
 
         m_dragCount = 0;


@@ -3068,14 +3634,56 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
 
         if ( event.RightDown() )
         {
 
         if ( event.RightDown() )
         {

-            wxTreeEvent nevent(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, GetId());
-            nevent.m_item = (long) item;
+            // If the item is already selected, do not update the selection.
+            // Multi-selections should not be cleared if a selected item is
+            // clicked.
+            if (!IsSelected(item))
+            {
+                DoSelectItem(item, true, false);
+            }
+
+            wxTreeEvent
+                nevent(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK,  this, item);
+            nevent.m_pointDrag = CalcScrolledPosition(pt);
+            event.Skip(!GetEventHandler()->ProcessEvent(nevent));
+
+            // Consistent with MSW (for now), send the ITEM_MENU *after*
+            // the RIGHT_CLICK event. TODO: This behavior may change.
+            wxTreeEvent nevent2(wxEVT_COMMAND_TREE_ITEM_MENU,  this, item);
+            nevent2.m_pointDrag = CalcScrolledPosition(pt);
+            GetEventHandler()->ProcessEvent(nevent2);
+        }
+        else if ( event.MiddleDown() )
+        {
+            wxTreeEvent
+                nevent(wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK,  this, item);

             nevent.m_pointDrag = CalcScrolledPosition(pt);
             nevent.m_pointDrag = CalcScrolledPosition(pt);

-            nevent.SetEventObject(this);
-            GetEventHandler()->ProcessEvent(nevent);
+            event.Skip(!GetEventHandler()->ProcessEvent(nevent));

         }
         else if ( event.LeftUp() )
         {
         }
         else if ( event.LeftUp() )
         {

+            if (flags & wxTREE_HITTEST_ONITEMSTATEICON)
+            {
+                wxTreeEvent
+                    nevent(wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK, this, item);
+                GetEventHandler()->ProcessEvent(nevent);
+            }
+
+            // this facilitates multiple-item drag-and-drop
+
+            if ( /* item && */ HasFlag(wxTR_MULTIPLE))
+            {
+                wxArrayTreeItemIds selections;
+                size_t count = GetSelections(selections);
+
+                if (count > 1 &&
+                    !event.CmdDown() &&
+                    !event.ShiftDown())
+                {
+                    DoSelectItem(item, true, false);
+                }
+            }
+

             if ( m_lastOnSame )
             {
                 if ( (item == m_current) &&
             if ( m_lastOnSame )
             {
                 if ( (item == m_current) &&


@@ -3092,14 +3700,15 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
                         m_renameTimer = new wxTreeRenameTimer( this );
                     }
 
                         m_renameTimer = new wxTreeRenameTimer( this );
                     }
 

-                    m_renameTimer->Start( wxTreeRenameTimer::DELAY, TRUE );
+                    m_renameTimer->Start( wxTreeRenameTimer::DELAY, true );

                 }
 
                 }
 

-                m_lastOnSame = FALSE;
+                m_lastOnSame = false;

             }
         }
             }
         }

-        else // !RightDown() && !LeftUp() ==> LeftDown() || LeftDClick()
+        else // !RightDown() && !MiddleDown() && !LeftUp()

         {
         {

+            // ==> LeftDown() || LeftDClick()

             if ( event.LeftDown() )
             {
                 m_lastOnSame = item == m_current;
             if ( event.LeftDown() )
             {
                 m_lastOnSame = item == m_current;


@@ -3118,14 +3727,26 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
                 return;
             }
 
                 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);

 
 

-            SelectItem(item, unselect_others, extended_select);
+            // clear the previously selected items, if the
+            // user clicked outside of the present selection.
+            // otherwise, perform the deselection on mouse-up.
+            // this allows multiple drag and drop to work.
+            // but if Cmd is down, toggle selection of the clicked item
+            if (!IsSelected(item) || event.CmdDown())
+            {
+                // how should the selection work for this event?
+                bool is_multiple, extended_select, unselect_others;
+                EventFlagsToSelType(GetWindowStyleFlag(),
+                                    event.ShiftDown(),
+                                    event.CmdDown(),
+                                    is_multiple,
+                                    extended_select,
+                                    unselect_others);
+
+                DoSelectItem(item, unselect_others, extended_select);
+            }
+

 
             // For some reason, Windows isn't recognizing a left double-click,
             // so we need to simulate it here.  Allow 200 milliseconds for now.
 
             // For some reason, Windows isn't recognizing a left double-click,
             // so we need to simulate it here.  Allow 200 milliseconds for now.


@@ -3135,13 +3756,12 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
                 if ( m_renameTimer )
                     m_renameTimer->Stop();
 
                 if ( m_renameTimer )
                     m_renameTimer->Stop();
 

-                m_lastOnSame = FALSE;
+                m_lastOnSame = false;

 
                 // send activate event first
 
                 // send activate event first

-                wxTreeEvent nevent( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
-                nevent.m_item = (long) item;
+                wxTreeEvent
+                    nevent(wxEVT_COMMAND_TREE_ITEM_ACTIVATED,  this, item);

                 nevent.m_pointDrag = CalcScrolledPosition(pt);
                 nevent.m_pointDrag = CalcScrolledPosition(pt);

-                nevent.SetEventObject( this );

                 if ( !GetEventHandler()->ProcessEvent( nevent ) )
                 {
                     // if the user code didn't process the activate event,
                 if ( !GetEventHandler()->ProcessEvent( nevent ) )
                 {
                     // if the user code didn't process the activate event,


@@ -3160,7 +3780,7 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
 void wxGenericTreeCtrl::OnInternalIdle()
 {
     wxWindow::OnInternalIdle();
 void wxGenericTreeCtrl::OnInternalIdle()
 {
     wxWindow::OnInternalIdle();

-    
+

     // Check if we need to select the root item
     // because nothing else has been selected.
     // Delaying it means that we can invoke event handlers
     // Check if we need to select the root item
     // because nothing else has been selected.
     // Delaying it means that we can invoke event handlers


@@ -3173,65 +3793,17 @@ void wxGenericTreeCtrl::OnInternalIdle()
             SelectItem(GetRootItem());
     }
 
             SelectItem(GetRootItem());
     }
 

-    /* 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();
+    // after all changes have been done to the tree control,
+    // actually redraw the tree when everything is over
+    if (m_dirty)
+        DoDirtyProcessing();

 }
 
 }
 

-void wxGenericTreeCtrl::CalculateSize( wxGenericTreeItem *item, wxDC &dc )
-{
-    wxCoord text_w = 0;
-    wxCoord text_h = 0;
-
-    wxTreeItemAttr *attr = item->GetAttributes();
-    if ( attr && attr->HasFont() )
-        dc.SetFont(attr->GetFont());
-    else 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 < 30)
-        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 wxGenericTreeCtrl::CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y )
+void
+wxGenericTreeCtrl::CalculateLevel(wxGenericTreeItem *item,
+                                  wxDC &dc,
+                                  int level,
+                                  int &y )

 {
     int x = level*m_indent;
     if (!HasFlag(wxTR_HIDE_ROOT))
 {
     int x = level*m_indent;
     if (!HasFlag(wxTR_HIDE_ROOT))


@@ -3245,7 +3817,7 @@ void wxGenericTreeCtrl::CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int l
         goto Recurse;
     }
 
         goto Recurse;
     }
 

-    CalculateSize( item, dc );
+    item->CalculateSize(this, dc);

 
     // set its position
     item->SetX( x+m_spacing );
 
     // set its position
     item->SetX( x+m_spacing );


@@ -3260,7 +3832,7 @@ void wxGenericTreeCtrl::CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int l
 
   Recurse:
     wxArrayGenericTreeItems& children = item->GetChildren();
 
   Recurse:
     wxArrayGenericTreeItems& children = item->GetChildren();

-    size_t n, count = children.Count();
+    size_t n, count = children.GetCount();

     ++level;
     for (n = 0; n < count; ++n )
         CalculateLevel( children[n], dc, level, y );  // recurse
     ++level;
     for (n = 0; n < count; ++n )
         CalculateLevel( children[n], dc, level, y );  // recurse


@@ -3283,9 +3855,16 @@ void wxGenericTreeCtrl::CalculatePositions()
     CalculateLevel( m_anchor, dc, 0, y ); // start recursion
 }
 
     CalculateLevel( m_anchor, dc, 0, y ); // start recursion
 }
 

+void wxGenericTreeCtrl::Refresh(bool eraseBackground, const wxRect *rect)
+{
+    if ( !IsFrozen() )
+        wxTreeCtrlBase::Refresh(eraseBackground, rect);
+}
+

 void wxGenericTreeCtrl::RefreshSubtree(wxGenericTreeItem *item)
 {
 void wxGenericTreeCtrl::RefreshSubtree(wxGenericTreeItem *item)
 {

-    if (m_dirty) return;
+    if (m_dirty || IsFrozen() )
+        return;

 
     wxSize client = GetClientSize();
 
 
     wxSize client = GetClientSize();
 


@@ -3294,25 +3873,29 @@ void wxGenericTreeCtrl::RefreshSubtree(wxGenericTreeItem *item)
     rect.width = client.x;
     rect.height = client.y;
 
     rect.width = client.x;
     rect.height = client.y;
 

-    Refresh(TRUE, &rect);
+    Refresh(true, &rect);

 
     AdjustMyScrollbars();
 }
 
 void wxGenericTreeCtrl::RefreshLine( wxGenericTreeItem *item )
 {
 
     AdjustMyScrollbars();
 }
 
 void wxGenericTreeCtrl::RefreshLine( wxGenericTreeItem *item )
 {

-    if (m_dirty) return;
+    if (m_dirty || IsFrozen() )
+        return;

 
     wxRect rect;
     CalcScrolledPosition(0, item->GetY(), NULL, &rect.y);
     rect.width = GetClientSize().x;
     rect.height = GetLineHeight(item); //dc.GetCharHeight() + 6;
 
 
     wxRect rect;
     CalcScrolledPosition(0, item->GetY(), NULL, &rect.y);
     rect.width = GetClientSize().x;
     rect.height = GetLineHeight(item); //dc.GetCharHeight() + 6;
 

-    Refresh(TRUE, &rect);
+    Refresh(true, &rect);

 }
 
 void wxGenericTreeCtrl::RefreshSelected()
 {
 }
 
 void wxGenericTreeCtrl::RefreshSelected()
 {

+    if (IsFrozen())
+        return;
+

     // TODO: this is awfully inefficient, we should keep the list of all
     //       selected items internally, should be much faster
     if ( m_anchor )
     // TODO: this is awfully inefficient, we should keep the list of all
     //       selected items internally, should be much faster
     if ( m_anchor )


@@ -3321,6 +3904,9 @@ void wxGenericTreeCtrl::RefreshSelected()
 
 void wxGenericTreeCtrl::RefreshSelectedUnder(wxGenericTreeItem *item)
 {
 
 void wxGenericTreeCtrl::RefreshSelectedUnder(wxGenericTreeItem *item)
 {

+    if (IsFrozen())
+        return;
+

     if ( item->IsSelected() )
         RefreshLine(item);
 
     if ( item->IsSelected() )
         RefreshLine(item);
 


@@ -3332,6 +3918,16 @@ void wxGenericTreeCtrl::RefreshSelectedUnder(wxGenericTreeItem *item)
     }
 }
 
     }
 }
 

+void wxGenericTreeCtrl::DoThaw()
+{
+    wxTreeCtrlBase::DoThaw();
+
+    if ( m_dirty )
+        DoDirtyProcessing();
+    else
+        Refresh();
+}
+

 // ----------------------------------------------------------------------------
 // changing colours: we need to refresh the tree control
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // changing colours: we need to refresh the tree control
 // ----------------------------------------------------------------------------


@@ -3339,21 +3935,96 @@ void wxGenericTreeCtrl::RefreshSelectedUnder(wxGenericTreeItem *item)
 bool wxGenericTreeCtrl::SetBackgroundColour(const wxColour& colour)
 {
     if ( !wxWindow::SetBackgroundColour(colour) )
 bool wxGenericTreeCtrl::SetBackgroundColour(const wxColour& colour)
 {
     if ( !wxWindow::SetBackgroundColour(colour) )

-        return FALSE;
+        return false;

 
     Refresh();
 
 
     Refresh();
 

-    return TRUE;
+    return true;

 }
 
 bool wxGenericTreeCtrl::SetForegroundColour(const wxColour& colour)
 {
     if ( !wxWindow::SetForegroundColour(colour) )
 }
 
 bool wxGenericTreeCtrl::SetForegroundColour(const wxColour& colour)
 {
     if ( !wxWindow::SetForegroundColour(colour) )

-        return FALSE;
+        return false;
+
+    Refresh();
+
+    return true;
+}
+
+// Process the tooltip event, to speed up event processing.
+// Doesn't actually get a tooltip.
+void wxGenericTreeCtrl::OnGetToolTip( wxTreeEvent &event )
+{
+    event.Veto();
+}

 
 

+
+// NOTE: If using the wxListBox visual attributes works everywhere then this can
+// be removed, as well as the #else case below.
+#define _USE_VISATTR 0
+
+//static
+wxVisualAttributes
+#if _USE_VISATTR
+wxGenericTreeCtrl::GetClassDefaultAttributes(wxWindowVariant variant)
+#else
+wxGenericTreeCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+#endif
+{
+#if _USE_VISATTR
+    // Use the same color scheme as wxListBox
+    return wxListBox::GetClassDefaultAttributes(variant);
+#else
+    wxVisualAttributes attr;
+    attr.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOXTEXT);
+    attr.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_LISTBOX);
+    attr.font  = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
+    return attr;
+#endif
+}
+
+void wxGenericTreeCtrl::DoDirtyProcessing()
+{
+    if (IsFrozen())
+        return;
+
+    m_dirty = false;
+
+    CalculatePositions();

     Refresh();
     Refresh();

+    AdjustMyScrollbars();
+}
+
+wxSize wxGenericTreeCtrl::DoGetBestSize() const
+{
+    // make sure all positions are calculated as normally this only done during
+    // idle time but we need them for base class DoGetBestSize() to return the
+    // correct result
+    wxConstCast(this, wxGenericTreeCtrl)->CalculatePositions();
+
+    wxSize size = wxTreeCtrlBase::DoGetBestSize();
+
+    // there seems to be an implicit extra border around the items, although
+    // I'm not really sure where does it come from -- but without this, the
+    // scrollbars appear in a tree with default/best size
+    size.IncBy(4, 4);
+
+    // and the border has to be rounded up to a multiple of PIXELS_PER_UNIT or
+    // scrollbars still appear
+    const wxSize& borderSize = GetWindowBorderSize();
+
+    int dx = (size.x - borderSize.x) % PIXELS_PER_UNIT;
+    if ( dx )
+        size.x += PIXELS_PER_UNIT - dx;
+    int dy = (size.y - borderSize.y) % PIXELS_PER_UNIT;
+    if ( dy )
+        size.y += PIXELS_PER_UNIT - dy;
+
+    // we need to update the cache too as the base class cached its own value
+    CacheBestSize(size);

 
 

-    return TRUE;
+    return size;

 }
 
 #endif // wxUSE_TREECTRL
 }
 
 #endif // wxUSE_TREECTRL