make GetPaperRect() and GetResolution() const functions

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

diff --git a/src/generic/treectlg.cpp b/src/generic/treectlg.cpp
index 49ad284c2bb19ccb15a3c064cadda8ba86564197..52868f92265551d5f81a472282f5e1f6bb7bf4fc 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
 // -----------------------------------------------------------------------------
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-  #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"
 


@@ -30,27 +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__
 
 #include "wx/renderer.h"
 
 #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_PTR(wxGenericTreeItem *, wxArrayGenericTreeItems);
+WX_DEFINE_ARRAY_PTR(wxGenericTreeItem *, wxArrayGenericTreeItems);

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


@@ -60,6 +61,12 @@ static const int NO_IMAGE = -1;
 
 static const int PIXELS_PER_UNIT = 10;
 
 
 static const int PIXELS_PER_UNIT = 10;
 

+// the margin between the item state image and the item normal image
+static const int MARGIN_BETWEEN_STATE_AND_IMAGE = 2;
+
+// the margin between the item image and the item text
+static const int MARGIN_BETWEEN_IMAGE_AND_TEXT = 4;
+

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


@@ -88,11 +95,8 @@ class WXDLLEXPORT wxTreeTextCtrl: public wxTextCtrl
 public:
     wxTreeTextCtrl(wxGenericTreeCtrl *owner, wxGenericTreeItem *item);
 
 public:
     wxTreeTextCtrl(wxGenericTreeCtrl *owner, wxGenericTreeItem *item);
 

-    void StopEditing()
-    {
-        Finish();
-        m_owner->OnRenameCancelled(m_itemEdited);
-    }
+    void EndEdit( bool discardChanges );
+

     const wxGenericTreeItem* item() const { return m_itemEdited; }
 
 protected:
     const wxGenericTreeItem* item() const { return m_itemEdited; }
 
 protected:


@@ -101,13 +105,13 @@ protected:
     void OnKillFocus( wxFocusEvent &event );
 
     bool AcceptChanges();
     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)


@@ -136,7 +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,


@@ -152,18 +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; }


@@ -171,27 +199,68 @@ 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')
     size_t GetChildrenCount(bool recursively = true) const;
 
     void Insert(wxGenericTreeItem *child, size_t index)
 
     // get count of all children (and grand children if 'recursively')
     size_t GetChildrenCount(bool recursively = true) const;
 
     void Insert(wxGenericTreeItem *child, size_t index)

-    { m_children.Insert(child, index); }
+        { 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
         // true if the point belongs to the item's button, otherwise it lies
         // on the item's label
         // 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 item's label


@@ -231,22 +300,39 @@ public:
         if ( m_ownsAttr ) delete m_attr;
         m_attr = attr;
         m_ownsAttr = false;
         if ( m_ownsAttr ) delete m_attr;
         m_attr = attr;
         m_ownsAttr = false;

+        m_width = 0;
+        m_widthText = -1;

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


@@ -262,12 +348,12 @@ private:
     int                 m_height;       // height of this item
 
     // use bitfields to save size
     int                 m_height;       // height of this item
 
     // 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)
 };


@@ -295,7 +381,8 @@ 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(const wxGenericTreeItem *parent, const wxGenericTreeItem *item)
+static bool
+IsDescendantOf(const wxGenericTreeItem *parent, const wxGenericTreeItem *item)

 {
     while ( item )
     {
 {
     while ( item )
     {


@@ -340,7 +427,7 @@ 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();
 
     int w = m_itemEdited->GetWidth(),
         h = m_itemEdited->GetHeight();


@@ -357,7 +444,7 @@ wxTreeTextCtrl::wxTreeTextCtrl(wxGenericTreeCtrl *owner,
         if ( m_owner->m_imageListNormal )
         {
             m_owner->m_imageListNormal->GetSize( image, image_w, image_h );
         if ( m_owner->m_imageListNormal )
         {
             m_owner->m_imageListNormal->GetSize( image, image_w, image_h );

-            image_w += 4;
+            image_w += MARGIN_BETWEEN_IMAGE_AND_TEXT;

         }
         else
         {
         }
         else
         {


@@ -383,6 +470,26 @@ wxTreeTextCtrl::wxTreeTextCtrl(wxGenericTreeCtrl *owner,
                  wxPoint(x - 4, y - 4), wxSize(w + 11, h + 8));
 }
 
                  wxPoint(x - 4, y - 4), wxSize(w + 11, h + 8));
 }
 

+void wxTreeTextCtrl::EndEdit(bool discardChanges)
+{
+    m_aboutToFinish = true;
+
+    if ( discardChanges )
+    {
+        m_owner->OnRenameCancelled(m_itemEdited);
+
+        Finish( true );
+    }
+    else
+    {
+        // Notify the owner about the changes
+        AcceptChanges();
+
+        // Even if vetoed, close the control (consistent with MSW)
+        Finish( true );
+    }
+}
+

 bool wxTreeTextCtrl::AcceptChanges()
 {
     const wxString value = GetValue();
 bool wxTreeTextCtrl::AcceptChanges()
 {
     const wxString value = GetValue();


@@ -411,18 +518,14 @@ bool wxTreeTextCtrl::AcceptChanges()
     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->SetFocusIgnoringChildren();
-    }
+    if (setfocus)
+        m_owner->SetFocus();

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


@@ -430,16 +533,11 @@ void wxTreeTextCtrl::OnChar( wxKeyEvent &event )
     switch ( event.m_keyCode )
     {
         case WXK_RETURN:
     switch ( event.m_keyCode )
     {
         case WXK_RETURN:

-            // Notify the owner about the changes
-            AcceptChanges();
-
-            // Even if vetoed, close the control (consistent with MSW)
-            Finish();
-
+            EndEdit( false );

             break;
 
         case WXK_ESCAPE:
             break;
 
         case WXK_ESCAPE:

-            StopEditing();
+            EndEdit( true );

             break;
 
         default:
             break;
 
         default:


@@ -449,7 +547,7 @@ 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();


@@ -469,16 +567,15 @@ void wxTreeTextCtrl::OnKeyUp( wxKeyEvent &event )
 
 void wxTreeTextCtrl::OnKillFocus( wxFocusEvent &event )
 {
 
 void wxTreeTextCtrl::OnKillFocus( wxFocusEvent &event )
 {

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

     {
     {

-        AcceptChanges();
-        // We must finish regardless of success, otherwise we'll get
-        // focus problems:
-        Finish();
+        if ( !AcceptChanges() )
+            m_owner->OnRenameCancelled( m_itemEdited );
+
+        Finish( false );

     }
 
     }
 

-    // We must let the native text control handle focus, too, otherwise
-    // it could have problems with the cursor (e.g., in wxGTK):
+    // We should let the native text control handle focus, too.

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


@@ -498,6 +595,7 @@ 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_isCollapsed = true;
     m_x = m_y = 0;
 
     m_isCollapsed = true;


@@ -513,6 +611,9 @@ wxGenericTreeItem::wxGenericTreeItem(wxGenericTreeItem *parent,
     // 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()


@@ -522,20 +623,19 @@ 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)
+        if ( child == tree->m_select_me )

             tree->m_select_me = NULL;
         delete child;
     }
             tree->m_select_me = NULL;
         delete child;
     }


@@ -543,14 +643,9 @@ void wxGenericTreeItem::DeleteChildren(wxGenericTreeCtrl *tree)
     m_children.Empty();
 }
 
     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;
 


@@ -573,7 +668,7 @@ 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 );


@@ -624,10 +719,29 @@ 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;


@@ -648,7 +762,7 @@ wxGenericTreeItem *wxGenericTreeItem::HitTest(const wxPoint& point,
     }
 
     // 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,


@@ -692,14 +806,120 @@ 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;
+    int image_w = 0;
+    int image = GetCurrentImage();
+    if ( image != NO_IMAGE )
+    {
+        if ( 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 )
+    {
+        if ( control->m_imageListState )
+        {
+            control->m_imageListState->GetSize( state, state_w, state_h );
+            if ( image != NO_IMAGE )
+                state_w += MARGIN_BETWEEN_STATE_AND_IMAGE;
+            else
+                state_w += MARGIN_BETWEEN_IMAGE_AND_TEXT;
+        }
+    }
+
+    m_height = (image_h > text_h) ? image_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_MOUSE_EVENTS   (wxGenericTreeCtrl::OnMouse)
     EVT_CHAR           (wxGenericTreeCtrl::OnChar)
     EVT_SET_FOCUS      (wxGenericTreeCtrl::OnSetFocus)


@@ -722,7 +942,10 @@ IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxGenericTreeCtrl)
 
 void wxGenericTreeCtrl::Init()
 {
 
 void wxGenericTreeCtrl::Init()
 {

-    m_current = m_key_current = m_anchor = m_select_me = (wxGenericTreeItem *) NULL;
+    m_current =
+    m_key_current =
+    m_anchor =
+    m_select_me = (wxGenericTreeItem *) NULL;

     m_hasFocus = false;
     m_dirty = false;
 
     m_hasFocus = false;
     m_dirty = false;
 


@@ -736,7 +959,7 @@ void wxGenericTreeCtrl::Init()
                             (
                                 wxSYS_COLOUR_HIGHLIGHT
                             ),
                             (
                                 wxSYS_COLOUR_HIGHLIGHT
                             ),

-                            wxSOLID
+                            wxBRUSHSTYLE_SOLID

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


@@ -745,13 +968,11 @@ 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_isDragging = false;
 
     m_dragCount = 0;
     m_isDragging = false;


@@ -760,7 +981,6 @@ void wxGenericTreeCtrl::Init()
     m_textCtrl = NULL;
 
     m_renameTimer = NULL;
     m_textCtrl = NULL;
 
     m_renameTimer = NULL;

-    m_freezeCount = 0;

 
     m_findTimer = NULL;
 
 
     m_findTimer = NULL;
 


@@ -768,8 +988,12 @@ void wxGenericTreeCtrl::Init()
 
     m_lastOnSame = false;
 
 
     m_lastOnSame = false;
 

-#ifdef __WXMAC_CARBON__
-    m_normalFont.MacCreateThemeFont( kThemeViewsFont ) ;
+#if defined( __WXMAC__ )
+#if wxOSX_USE_CARBON
+    m_normalFont.MacCreateFromThemeFont( kThemeViewsFont ) ;
+#else
+    m_normalFont.MacCreateFromUIFont( kCTFontViewsFontType ) ;
+#endif

 #else
     m_normalFont = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT );
 #endif
 #else
     m_normalFont = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT );
 #endif


@@ -787,21 +1011,22 @@ bool wxGenericTreeCtrl::Create(wxWindow *parent,
                                const wxPoint& pos,
                                const wxSize& size,
                                long style,
                                const wxPoint& pos,
                                const wxSize& size,
                                long style,

-                               const wxValidator& wxVALIDATOR_PARAM(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);

 
 

-    style &= ~wxTR_LINES_AT_ROOT;
-    style |= wxTR_NO_LINES;

     if (major < 10)
         style |= wxTR_ROW_LINES;
 #endif // __WXMAC__
 
     if (major < 10)
         style |= wxTR_ROW_LINES;
 #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.


@@ -812,20 +1037,22 @@ 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);
 
     wxVisualAttributes attr = GetDefaultAttributes();
     SetOwnForegroundColour( attr.colFg );
     SetOwnBackgroundColour( attr.colBg );
     if (!m_hasFont)
         SetOwnFont(attr.font);
 

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

 
 

-    SetBestSize(size);
+    SetInitialSize(size);

 
     return true;
 }
 
     return true;
 }


@@ -840,10 +1067,6 @@ wxGenericTreeCtrl::~wxGenericTreeCtrl()
     delete m_renameTimer;
     delete m_findTimer;
 
     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;
 }


@@ -852,7 +1075,7 @@ wxGenericTreeCtrl::~wxGenericTreeCtrl()
 // accessors
 // -----------------------------------------------------------------------------
 
 // accessors
 // -----------------------------------------------------------------------------
 

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

 {
     if ( !m_anchor )
     {
 {
     if ( !m_anchor )
     {


@@ -860,7 +1083,7 @@ size_t wxGenericTreeCtrl::GetCount() const
         return 0;
     }
 
         return 0;
     }
 

-    size_t count = m_anchor->GetChildrenCount();
+    unsigned int count = m_anchor->GetChildrenCount();

     if ( !HasFlag(wxTR_HIDE_ROOT) )
     {
         // take the root itself into account
     if ( !HasFlag(wxTR_HIDE_ROOT) )
     {
         // take the root itself into account


@@ -876,12 +1099,6 @@ void wxGenericTreeCtrl::SetIndent(unsigned int indent)
     m_dirty = true;
 }
 
     m_dirty = true;
 }
 

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

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


@@ -893,7 +1110,8 @@ wxGenericTreeCtrl::GetChildrenCount(const wxTreeItemId& item,
 
 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();


@@ -934,6 +1152,14 @@ 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 +1168,8 @@ 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 +1185,14 @@ 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);
 }
 


@@ -977,13 +1204,12 @@ 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") );
 


@@ -993,6 +1219,16 @@ void wxGenericTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *da
     ((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") );


@@ -1011,6 +1247,10 @@ 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);
     }
 }


@@ -1054,18 +1294,21 @@ 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(),


@@ -1076,6 +1319,9 @@ bool wxGenericTreeCtrl::SetFont( const wxFont &font )
                         m_normalFont.GetFaceName(),
                         m_normalFont.GetEncoding());
 
                         m_normalFont.GetFaceName(),
                         m_normalFont.GetEncoding());
 

+    if (m_anchor)
+        m_anchor->RecursiveResetTextSize();
+

     return true;
 }
 
     return true;
 }
 


@@ -1174,12 +1420,13 @@ wxTreeItemId wxGenericTreeCtrl::GetNextChild(const wxTreeItemId& item,
 {
     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();
+    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;
 
     // 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.Count() )
+    if ( *pIndex < children.GetCount() )

     {
         return children.Item((*pIndex)++);
     }
     {
         return children.Item((*pIndex)++);
     }


@@ -1190,42 +1437,13 @@ wxTreeItemId wxGenericTreeCtrl::GetNextChild(const wxTreeItemId& item,
     }
 }
 
     }
 }
 

-#if WXWIN_COMPATIBILITY_2_4
-
-wxTreeItemId wxGenericTreeCtrl::GetFirstChild(const wxTreeItemId& item,
-                                              long& cookie) const
-{
-    wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
-    cookie = 0;
-    return GetNextChild(item, cookie);
-}
-
-wxTreeItemId wxGenericTreeCtrl::GetNextChild(const wxTreeItemId& item,
-                                             long& cookie) const
-{
-    wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") );
-
-    wxArrayGenericTreeItems& children = ((wxGenericTreeItem*) item.m_pItem)->GetChildren();
-    if ( (size_t)cookie < children.Count() )
-    {
-        return children.Item((size_t)cookie++);
-    }
-    else
-    {
-        // there are no more of them
-        return wxTreeItemId();
-    }
-}
-
-#endif // WXWIN_COMPATIBILITY_2_4
-

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


@@ -1245,7 +1463,8 @@ 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


@@ -1314,6 +1533,7 @@ 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())


@@ -1330,10 +1550,37 @@ 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
 }
 
 // called by wxTextTreeCtrl when it marks itself for deletion


@@ -1379,10 +1626,13 @@ 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;


@@ -1393,10 +1643,11 @@ 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 )


@@ -1415,16 +1666,19 @@ wxTreeItemId wxGenericTreeCtrl::DoInsertItem(const wxTreeItemId& parentId,
         data->m_pItem = 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
 


@@ -1450,22 +1704,15 @@ wxTreeItemId wxGenericTreeCtrl::AddRoot(const wxString& text,
         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 )


@@ -1477,67 +1724,44 @@ 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);
-}
-
-wxTreeItemId wxGenericTreeCtrl::AppendItem(const wxTreeItemId& parentId,
-                                    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( parent, parent->GetChildren().Count(), text,
-                         image, selImage, data);
-}

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

-    wxTreeEvent event( wxEVT_COMMAND_TREE_DELETE_ITEM, GetId() );
-    event.m_item = item;
-    event.SetEventObject( this );
-    ProcessEvent( event );
+    wxTreeEvent event(wxEVT_COMMAND_TREE_DELETE_ITEM, this, item);
+    GetEventHandler()->ProcessEvent( event );

 }
 
 // Don't leave edit or selection on a child which is about to disappear
 void wxGenericTreeCtrl::ChildrenClosing(wxGenericTreeItem* item)
 {
 }
 
 // Don't leave edit or selection on a child which is about to disappear
 void wxGenericTreeCtrl::ChildrenClosing(wxGenericTreeItem* item)
 {

-    if (m_textCtrl != NULL && item != m_textCtrl->item() && IsDescendantOf(item, m_textCtrl->item())) {
-        m_textCtrl->StopEditing();
+    if ( m_textCtrl && item != m_textCtrl->item() &&
+            IsDescendantOf(item, m_textCtrl->item()) )
+    {
+        m_textCtrl->EndEdit( true );

     }
     }

-    if (item != m_key_current && IsDescendantOf(item, m_key_current)) {
+
+    if ( item != m_key_current && IsDescendantOf(item, m_key_current) )
+    {

         m_key_current = NULL;
     }
         m_key_current = NULL;
     }

-    if (IsDescendantOf(item, m_select_me)) {
+
+    if ( IsDescendantOf(item, m_select_me) )
+    {

         m_select_me = item;
     }
         m_select_me = item;
     }

-    if (item != m_current && IsDescendantOf(item, m_current)) {
+
+    if ( item != m_current && IsDescendantOf(item, m_current) )
+    {

         m_current->SetHilight( false );
         m_current = NULL;
         m_select_me = item;
         m_current->SetHilight( false );
         m_current = NULL;
         m_select_me = item;


@@ -1551,6 +1775,7 @@ void wxGenericTreeCtrl::DeleteChildren(const wxTreeItemId& itemId)
     wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
     ChildrenClosing(item);
     item->DeleteChildren(this);
     wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
     ChildrenClosing(item);
     item->DeleteChildren(this);

+    InvalidateBestSize();

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


@@ -1562,7 +1787,7 @@ void wxGenericTreeCtrl::Delete(const wxTreeItemId& itemId)
     if (m_textCtrl != NULL && IsDescendantOf(item, m_textCtrl->item()))
     {
         // can't delete the item being edited, cancel editing it first
     if (m_textCtrl != NULL && IsDescendantOf(item, m_textCtrl->item()))
     {
         // can't delete the item being edited, cancel editing it first

-        m_textCtrl->StopEditing();
+        m_textCtrl->EndEdit( true );

     }
 
     wxGenericTreeItem *parent = item->GetParent();
     }
 
     wxGenericTreeItem *parent = item->GetParent();


@@ -1615,6 +1840,8 @@ void wxGenericTreeCtrl::Delete(const wxTreeItemId& itemId)
         m_select_me = NULL;
 
     delete item;
         m_select_me = NULL;
 
     delete item;

+
+    InvalidateBestSize();

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


@@ -1639,42 +1866,28 @@ 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 = 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();
-
-    RefreshSubtree(item);
-
-    event.SetEventType(wxEVT_COMMAND_TREE_ITEM_EXPANDED);
-    ProcessEvent( event );
-}
-
-void wxGenericTreeCtrl::ExpandAll(const wxTreeItemId& item)
-{
-    if ( !HasFlag(wxTR_HIDE_ROOT) || item != GetRootItem())
+    if ( !IsFrozen() )

     {
     {

-        Expand(item);
-        if ( !IsExpanded(item) )
-            return;
-    }
+        CalculatePositions();

 
 

-    wxTreeItemIdValue cookie;
-    wxTreeItemId child = GetFirstChild(item, cookie);
-    while ( child.IsOk() )
+        RefreshSubtree(item);
+    }
+    else // frozen

     {
     {

-        ExpandAll(child);
-
-        child = GetNextChild(item, cookie);
+        m_dirty = true;

     }
     }

+
+    event.SetEventType(wxEVT_COMMAND_TREE_ITEM_EXPANDED);
+    GetEventHandler()->ProcessEvent( event );

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


@@ -1687,10 +1900,8 @@ 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 = 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;


@@ -1701,7 +1912,7 @@ void wxGenericTreeCtrl::Collapse(const wxTreeItemId& itemId)
 
 #if 0  // TODO why should items be collapsed recursively?
     wxArrayGenericTreeItems& children = item->GetChildren();
 
 #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]);


@@ -1713,7 +1924,7 @@ 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)


@@ -1755,7 +1966,7 @@ void wxGenericTreeCtrl::UnselectAllChildren(wxGenericTreeItem *item)
     if (item->HasChildren())
     {
         wxArrayGenericTreeItems& children = item->GetChildren();
     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]);


@@ -1780,7 +1991,10 @@ 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();
 


@@ -1791,16 +2005,20 @@ 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);
 {
     crt_item->SetHilight(select);
     RefreshLine(crt_item);


@@ -1811,7 +2029,7 @@ bool wxGenericTreeCtrl::TagAllChildrenUntilLast(wxGenericTreeItem *crt_item, wxG
     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))


@@ -1822,7 +2040,9 @@ bool wxGenericTreeCtrl::TagAllChildrenUntilLast(wxGenericTreeItem *crt_item, wxG
   return false;
 }
 
   return false;
 }
 

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

 {
     m_select_me = NULL;
 
 {
     m_select_me = NULL;
 


@@ -1869,10 +2089,8 @@ void wxGenericTreeCtrl::DoSelectItem(const wxTreeItemId& itemId,
             return;
     }
 
             return;
     }
 

-    wxTreeEvent event( wxEVT_COMMAND_TREE_SEL_CHANGING, GetId() );
-    event.m_item = item;
+    wxTreeEvent event(wxEVT_COMMAND_TREE_SEL_CHANGING, this, item);

     event.m_itemOld = m_current;
     event.m_itemOld = m_current;

-    event.SetEventObject( this );

     // 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() )


@@ -1887,8 +2105,6 @@ void wxGenericTreeCtrl::DoSelectItem(const wxTreeItemId& itemId,
         parent = GetItemParent( parent );
     }
 
         parent = GetItemParent( parent );
     }
 

-    EnsureVisible( itemId );
-

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


@@ -1901,7 +2117,8 @@ void wxGenericTreeCtrl::DoSelectItem(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)


@@ -1920,6 +2137,11 @@ void wxGenericTreeCtrl::DoSelectItem(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 );
 }


@@ -1928,15 +2150,22 @@ void wxGenericTreeCtrl::SelectItem(const wxTreeItemId& itemId, bool select)
 {
     if ( select )
     {
 {
     if ( select )
     {

-        DoSelectItem(itemId);
+        DoSelectItem(itemId, !HasFlag(wxTR_MULTIPLE));

     }
     else // deselect
     {
         wxGenericTreeItem *item = (wxGenericTreeItem*) itemId.m_pItem;
         wxCHECK_RET( item, wxT("SelectItem(): invalid tree item") );
 
     }
     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);
         item->SetHilight(false);
         RefreshLine(item);

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

     }
 }
 
     }
 }
 


@@ -1965,7 +2194,7 @@ 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)


@@ -2012,7 +2241,7 @@ void wxGenericTreeCtrl::ScrollTo(const wxTreeItemId &item)
 #if defined( __WXMSW__ ) || defined(__WXMAC__)
         Update();
 #else
 #if defined( __WXMSW__ ) || defined(__WXMAC__)
         Update();
 #else

-        wxYieldIfNeeded();
+        DoDirtyProcessing();

 #endif
     wxGenericTreeItem *gitem = (wxGenericTreeItem*) item.m_pItem;
 
 #endif
     wxGenericTreeItem *gitem = (wxGenericTreeItem*) item.m_pItem;
 


@@ -2038,7 +2267,9 @@ 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)
     {


@@ -2051,7 +2282,10 @@ 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 );

     }
 }
 
     }
 }
 


@@ -2061,17 +2295,12 @@ 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") );


@@ -2082,7 +2311,7 @@ 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;
 


@@ -2093,21 +2322,6 @@ 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);


@@ -2127,6 +2341,20 @@ 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.


@@ -2153,6 +2381,10 @@ void wxGenericTreeCtrl::SetImageList(wxImageList *imageList)
     m_imageListNormal = imageList;
     m_ownsImageListNormal = false;
     m_dirty = true;
     m_imageListNormal = imageList;
     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)


@@ -2164,6 +2396,15 @@ void wxGenericTreeCtrl::SetStateImageList(wxImageList *imageList)
     if (m_ownsImageListState) delete m_imageListState;
     m_imageListState = imageList;
     m_ownsImageListState = false;
     if (m_ownsImageListState) delete m_imageListState;
     m_imageListState = imageList;
     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)
 }
 
 void wxGenericTreeCtrl::SetButtonsImageList(wxImageList *imageList)


@@ -2172,19 +2413,11 @@ void wxGenericTreeCtrl::SetButtonsImageList(wxImageList *imageList)
     m_imageListButtons = imageList;
     m_ownsImageListButtons = false;
     m_dirty = true;
     m_imageListButtons = imageList;
     m_ownsImageListButtons = false;
     m_dirty = true;

-    CalculateLineHeight();
-}

 
 

-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)
 }
 
 void wxGenericTreeCtrl::AssignButtonsImageList(wxImageList *imageList)


@@ -2207,7 +2440,9 @@ 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
     {


@@ -2225,16 +2460,10 @@ 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
+    item->SetFont(this, dc);
+    item->CalculateSize(this, dc);

 
 

-    wxTreeItemAttr *attr = item->GetAttributes();
-    if ( attr && attr->HasFont() )
-        dc.SetFont(attr->GetFont());
-    else if (item->IsBold())
-        dc.SetFont(m_boldFont);
-
-    long text_w = 0, 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();


@@ -2243,7 +2472,7 @@ void wxGenericTreeCtrl::PaintItem(wxGenericTreeItem *item, wxDC& dc)
         if ( m_imageListNormal )
         {
             m_imageListNormal->GetSize( image, image_w, image_h );
         if ( m_imageListNormal )
         {
             m_imageListNormal->GetSize( image, image_w, image_h );

-            image_w += 4;
+            image_w += MARGIN_BETWEEN_IMAGE_AND_TEXT;

         }
         else
         {
         }
         else
         {


@@ -2251,84 +2480,172 @@ 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 != NO_IMAGE )
+                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()-2, item->GetY()+offset,
+                         item->GetWidth()+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 );
 }
 

-// 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))


@@ -2340,7 +2657,7 @@ 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;


@@ -2349,7 +2666,8 @@ 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;


@@ -2373,7 +2691,7 @@ 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


@@ -2382,9 +2700,21 @@ 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
         {


@@ -2476,7 +2806,7 @@ void wxGenericTreeCtrl::PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level
     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;


@@ -2492,7 +2822,8 @@ 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
+                // 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);
                 wxCoord xOrigin=0, yOrigin=0, width, height;
                 dc.GetDeviceOrigin(&xOrigin, &yOrigin);
                 yOrigin = abs(yOrigin);


@@ -2504,8 +2835,8 @@ 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);
             }


@@ -2540,7 +2871,7 @@ 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;
 


@@ -2557,7 +2888,7 @@ void wxGenericTreeCtrl::DrawBorder(const wxTreeItemId &item)
 
 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;
 


@@ -2579,6 +2910,16 @@ void wxGenericTreeCtrl::DrawLine(const wxTreeItemId &item, bool below)
 // wxWidgets 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);


@@ -2618,9 +2959,8 @@ 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


@@ -2637,9 +2977,17 @@ 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


@@ -2667,7 +3015,7 @@ 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


@@ -2682,20 +3030,28 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
 
         case WXK_MENU:
             {
 
         case WXK_MENU:
             {

-                wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_MENU, GetId() );
-                event.m_item = m_current;
-                event.SetEventObject( this );
-                GetEventHandler()->ProcessEvent( event );
-                break;
+                // 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 = 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,


@@ -2722,12 +3078,15 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
                     {
                         wxTreeItemIdValue cookie;
                         wxTreeItemId current = m_key_current;
                     {
                         wxTreeItemIdValue cookie;
                         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

-                            DoSelectItem( 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;
                         }
                     }


@@ -2768,7 +3127,11 @@ 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:
             // fall through
 
         case WXK_DOWN:


@@ -2777,6 +3140,9 @@ void wxGenericTreeCtrl::OnChar( wxKeyEvent &event )
                 {
                     wxTreeItemIdValue cookie;
                     wxTreeItemId child = GetFirstChild( m_key_current, cookie );
                 {
                     wxTreeItemIdValue cookie;
                     wxTreeItemId child = GetFirstChild( m_key_current, cookie );

+                    if ( !child )
+                        break;
+

                     DoSelectItem( child, unselect_others, extended_select );
                     m_key_current=(wxGenericTreeItem*) child.m_pItem;
                 }
                     DoSelectItem( child, unselect_others, extended_select );
                     m_key_current=(wxGenericTreeItem*) child.m_pItem;
                 }


@@ -2883,11 +3249,9 @@ 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;


@@ -2916,37 +3280,52 @@ 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 )
+    {
+        rect.x = i->GetX();
+        rect.width = i->GetWidth();

 
 

-    rect.x = i->GetX() - startX*PIXELS_PER_UNIT;
-    rect.y = i->GetY() - startY*PIXELS_PER_UNIT;
-    rect.width = i->GetWidth();
-    //rect.height = i->GetHeight();
+        if ( m_imageListNormal )
+        {
+            int image_w, image_h;
+            m_imageListNormal->GetSize( 0, image_w, image_h );
+            rect.width += image_w + MARGIN_BETWEEN_IMAGE_AND_TEXT;
+        }
+    }
+    else // the entire line
+    {
+        rect.x = 0;
+        rect.width = GetClientSize().x;
+    }
+
+    rect.y = i->GetY();

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

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

     return true;
 }
 
     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 = 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
     }
 
     // We have to call this here because the label in


@@ -2956,12 +3335,15 @@ void wxGenericTreeCtrl::Edit( const wxTreeItemId& item )
 #if defined( __WXMSW__ ) || defined(__WXMAC__)
         Update();
 #else
 #if defined( __WXMSW__ ) || defined(__WXMAC__)
         Update();
 #else

-        wxYieldIfNeeded();
+        DoDirtyProcessing();

 #endif
 
 #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


@@ -2972,12 +3354,18 @@ 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 = item;
-    le.SetEventObject( this );
+    wxTreeEvent le(wxEVT_COMMAND_TREE_END_LABEL_EDIT, this, item);

     le.m_label = value;
     le.m_editCancelled = false;
 
     le.m_label = value;
     le.m_editCancelled = false;
 


@@ -2987,9 +3375,7 @@ 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 = item;
-    le.SetEventObject( this );
+    wxTreeEvent le(wxEVT_COMMAND_TREE_END_LABEL_EDIT, this, item);

     le.m_label = wxEmptyString;
     le.m_editCancelled = true;
 
     le.m_label = wxEmptyString;
     le.m_editCancelled = true;
 


@@ -2998,12 +3384,12 @@ void wxGenericTreeCtrl::OnRenameCancelled(wxGenericTreeItem *item)
 
 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());
 
 
     wxPoint pt = CalcUnscrolledPosition(event.GetPosition());
 


@@ -3046,13 +3432,16 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
     // Determines what item we are hovering over and need a tooltip for
     wxTreeItemId hoverItem = thisItem;
 
     // Determines what item we are hovering over and need a tooltip for
     wxTreeItemId hoverItem = thisItem;
 

-    // 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()))
+    // 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
     {
         // Ask the tree control what tooltip (if any) should be shown

-        wxTreeEvent hevent(wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP, GetId());
-        hevent.m_item = hoverItem;
-        hevent.SetEventObject(this);
+        wxTreeEvent
+            hevent(wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP,  this, hoverItem);

 
         if ( GetEventHandler()->ProcessEvent(hevent) && hevent.IsAllowed() )
         {
 
         if ( GetEventHandler()->ProcessEvent(hevent) && hevent.IsAllowed() )
         {


@@ -3061,11 +3450,12 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
     }
 #endif
 
     }
 #endif
 

-    // we process left mouse up event (enables in-place edit), right down
+    // 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() ||


@@ -3097,9 +3487,8 @@ 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 = 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


@@ -3150,6 +3539,8 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
     }
     else if ( (event.LeftUp() || event.RightUp()) && m_isDragging )
     {
     }
     else if ( (event.LeftUp() || event.RightUp()) && m_isDragging )
     {

+        ReleaseMouse();
+

         // erase the highlighting
         DrawDropEffect(m_dropTarget);
 
         // erase the highlighting
         DrawDropEffect(m_dropTarget);
 


@@ -3161,19 +3552,15 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
         }
 
         // generate the drag end event
         }
 
         // generate the drag end event

-        wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, GetId());
+        wxTreeEvent eventEndDrag(wxEVT_COMMAND_TREE_END_DRAG,  this, item);

 
 

-        event.m_item = item;
-        event.m_pointDrag = pt;
-        event.SetEventObject(this);
+        eventEndDrag.m_pointDrag = CalcScrolledPosition(pt);

 
 

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

 
         m_isDragging = false;
         m_dropTarget = (wxGenericTreeItem *)NULL;
 
 
         m_isDragging = false;
         m_dropTarget = (wxGenericTreeItem *)NULL;
 

-        ReleaseMouse();
-

         SetCursor(m_oldCursor);
 
 #if defined( __WXMSW__ ) || defined(__WXMAC__)
         SetCursor(m_oldCursor);
 
 #if defined( __WXMSW__ ) || defined(__WXMAC__)


@@ -3185,10 +3572,12 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
     else
     {
         // If we got to this point, we are not dragging or moving the mouse.
     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.
+        // 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
         // 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.
+        // restore focus to the tree control even if we didn't exactly hit an
+        // item.

         if ( event.LeftDown() )
         {
             event.Skip();
         if ( event.LeftDown() )
         {
             event.Skip();


@@ -3203,29 +3592,49 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
         if ( event.RightDown() )
         {
             // If the item is already selected, do not update the selection.
         if ( event.RightDown() )
         {
             // If the item is already selected, do not update the selection.

-            // Multi-selections should not be cleared if a selected item is clicked.
+            // Multi-selections should not be cleared if a selected item is
+            // clicked.

             if (!IsSelected(item))
             {
                 DoSelectItem(item, true, false);
             }
 
             if (!IsSelected(item))
             {
                 DoSelectItem(item, true, false);
             }
 

-            wxTreeEvent nevent(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, GetId());
-            nevent.m_item = item;
+            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);

             event.Skip(!GetEventHandler()->ProcessEvent(nevent));
         }
         else if ( event.LeftUp() )
         {
             event.Skip(!GetEventHandler()->ProcessEvent(nevent));
         }
         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
 
             // this facilitates multiple-item drag-and-drop
 

-            if (item && HasFlag(wxTR_MULTIPLE))
+            if ( /* item && */ HasFlag(wxTR_MULTIPLE))

             {
                 wxArrayTreeItemIds selections;
                 size_t count = GetSelections(selections);
 
                 if (count > 1 &&
             {
                 wxArrayTreeItemIds selections;
                 size_t count = GetSelections(selections);
 
                 if (count > 1 &&

-                    !event.ControlDown() &&
+                    !event.CmdDown() &&

                     !event.ShiftDown())
                 {
                     DoSelectItem(item, true, false);
                     !event.ShiftDown())
                 {
                     DoSelectItem(item, true, false);


@@ -3254,8 +3663,9 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
                 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;


@@ -3279,15 +3689,17 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
             // user clicked outside of the present selection.
             // otherwise, perform the deselection on mouse-up.
             // this allows multiple drag and drop to work.
             // user clicked outside of the present selection.
             // otherwise, perform the deselection on mouse-up.
             // this allows multiple drag and drop to work.

-
-            if (!IsSelected(item))
+            // 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(),
             {
                 // 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);
+                                    event.CmdDown(),
+                                    is_multiple,
+                                    extended_select,
+                                    unselect_others);

 
                 DoSelectItem(item, unselect_others, extended_select);
             }
 
                 DoSelectItem(item, unselect_others, extended_select);
             }


@@ -3304,10 +3716,9 @@ void wxGenericTreeCtrl::OnMouse( wxMouseEvent &event )
                 m_lastOnSame = false;
 
                 // send activate event first
                 m_lastOnSame = false;
 
                 // send activate event first

-                wxTreeEvent nevent( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, GetId() );
-                nevent.m_item = 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,


@@ -3339,68 +3750,17 @@ 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;
-    if (m_freezeCount) return;
-
-    m_dirty = false;
-
-    CalculatePositions();
-    Refresh();
-    AdjustMyScrollbars();
-}
-
-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);
-    else
-        dc.SetFont(m_normalFont);
-
-    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);
+    // after all changes have been done to the tree control,
+    // actually redraw the tree when everything is over
+    if (m_dirty)
+        DoDirtyProcessing();

 }
 
 }
 

-// -----------------------------------------------------------------------------
-// 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))


@@ -3414,7 +3774,7 @@ 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 );


@@ -3429,7 +3789,7 @@ 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


@@ -3452,10 +3812,16 @@ 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_freezeCount) return;
+    if (m_dirty || IsFrozen() )
+        return;

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


@@ -3471,8 +3837,8 @@ void wxGenericTreeCtrl::RefreshSubtree(wxGenericTreeItem *item)
 
 void wxGenericTreeCtrl::RefreshLine( wxGenericTreeItem *item )
 {
 
 void wxGenericTreeCtrl::RefreshLine( wxGenericTreeItem *item )
 {

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

 
     wxRect rect;
     CalcScrolledPosition(0, item->GetY(), NULL, &rect.y);
 
     wxRect rect;
     CalcScrolledPosition(0, item->GetY(), NULL, &rect.y);


@@ -3484,7 +3850,8 @@ void wxGenericTreeCtrl::RefreshLine( wxGenericTreeItem *item )
 
 void wxGenericTreeCtrl::RefreshSelected()
 {
 
 void wxGenericTreeCtrl::RefreshSelected()
 {

-    if (m_freezeCount) return;
+    if (IsFrozen())
+        return;

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


@@ -3494,7 +3861,8 @@ void wxGenericTreeCtrl::RefreshSelected()
 
 void wxGenericTreeCtrl::RefreshSelectedUnder(wxGenericTreeItem *item)
 {
 
 void wxGenericTreeCtrl::RefreshSelectedUnder(wxGenericTreeItem *item)
 {

-    if (m_freezeCount) return;
+    if (IsFrozen())
+        return;

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


@@ -3507,19 +3875,14 @@ void wxGenericTreeCtrl::RefreshSelectedUnder(wxGenericTreeItem *item)
     }
 }
 
     }
 }
 

-void wxGenericTreeCtrl::Freeze()
+void wxGenericTreeCtrl::DoThaw()

 {
 {

-    m_freezeCount++;
-}
+    wxTreeCtrlBase::DoThaw();

 
 

-void wxGenericTreeCtrl::Thaw()
-{
-    wxCHECK_RET( m_freezeCount > 0, _T("thawing unfrozen tree control?") );
-
-    if ( !--m_freezeCount )
-    {
+    if ( m_dirty )
+        DoDirtyProcessing();
+    else

         Refresh();
         Refresh();

-    }

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


@@ -3531,8 +3894,6 @@ bool wxGenericTreeCtrl::SetBackgroundColour(const wxColour& colour)
     if ( !wxWindow::SetBackgroundColour(colour) )
         return false;
 
     if ( !wxWindow::SetBackgroundColour(colour) )
         return false;
 

-    if (m_freezeCount) return true;
-

     Refresh();
 
     return true;
     Refresh();
 
     return true;


@@ -3543,8 +3904,6 @@ bool wxGenericTreeCtrl::SetForegroundColour(const wxColour& colour)
     if ( !wxWindow::SetForegroundColour(colour) )
         return false;
 
     if ( !wxWindow::SetForegroundColour(colour) )
         return false;
 

-    if (m_freezeCount) return true;
-

     Refresh();
 
     return true;
     Refresh();
 
     return true;


@@ -3558,23 +3917,10 @@ void wxGenericTreeCtrl::OnGetToolTip( wxTreeEvent &event )
 }
 
 
 }
 
 

-wxSize wxGenericTreeCtrl::DoGetBestSize() const
-{
-    // something is better than nothing...
-    // 100x80 is what the MSW version will get from the default
-    // wxControl::DoGetBestSize
-    return wxSize(100,80);
-}
-
-

 // 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
 
 // 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
 

-#if _USE_VISATTR
-#include "wx/listbox.h"
-#endif
-

 //static
 wxVisualAttributes
 #if _USE_VISATTR
 //static
 wxVisualAttributes
 #if _USE_VISATTR


@@ -3595,27 +3941,47 @@ wxGenericTreeCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 #endif
 }
 
 #endif
 }
 

-#if WXWIN_COMPATIBILITY_2_4
-
-int wxGenericTreeCtrl::GetItemSelectedImage(const wxTreeItemId& item) const
+void wxGenericTreeCtrl::DoDirtyProcessing()

 {
 {

-    return GetItemImage(item, wxTreeItemIcon_Selected);
+    if (IsFrozen())
+        return;
+
+    m_dirty = false;
+
+    CalculatePositions();
+    Refresh();
+    AdjustMyScrollbars();

 }
 
 }
 

-void wxGenericTreeCtrl::SetItemSelectedImage(const wxTreeItemId& item, int image)
+wxSize wxGenericTreeCtrl::DoGetBestSize() const

 {
 {

-    SetItemImage(item, image, wxTreeItemIcon_Selected);
-}
+    // 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();

 
 

-#endif // WXWIN_COMPATIBILITY_2_4
+    wxSize size = wxTreeCtrlBase::DoGetBestSize();

 
 

-#if WXWIN_COMPATIBILITY_2_2
+    // 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);

 
 

-wxTreeItemId wxGenericTreeCtrl::GetParent(const wxTreeItemId& item) const
-{
-    return GetItemParent( item );
-}
+    // and the border has to be rounded up to a multiple of PIXELS_PER_UNIT or
+    // scrollbars still appear
+    const wxSize& borderSize = GetWindowBorderSize();

 
 

-#endif  // WXWIN_COMPATIBILITY_2_2
+    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 size;
+}

 
 #endif // wxUSE_TREECTRL
 
 #endif // wxUSE_TREECTRL