Don't force the child's m_isShown state to match that of the parent in CocoaAddChild.

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

diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index b99b53650793a813e070e615d10ea41d96d7f5a1..0f5094e3109b7b1350ae6b62aa41e4b48cade627 100644 (file)
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -71,8 +71,8 @@ static const int EXPANDER_MARGIN = 4;
 //Below is the compare stuff
 //For the generic implements, both the leaf nodes and the nodes are sorted for fast search when needed
 static wxDataViewModel * g_model;
 //Below is the compare stuff
 //For the generic implements, both the leaf nodes and the nodes are sorted for fast search when needed
 static wxDataViewModel * g_model;

-static int g_column;
-static bool g_asending;
+static int g_column = -2;
+static bool g_asending = true;

 
 // NB: for some reason, this class must be dllexport'ed or we get warnings from
 //     MSVC in DLL build
 
 // NB: for some reason, this class must be dllexport'ed or we get warnings from
 //     MSVC in DLL build


@@ -270,14 +270,14 @@ class wxDataViewTreeNode
 {
 public:
     wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
 {
 public:
     wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )

-       { this->parent = parent;
+        { this->parent = parent;

           if( parent == NULL )
               open = true;
           if( parent == NULL )
               open = true;

-          else
-               open = false;
+       else
+        open = false;

           hasChildren = false;
           subTreeCount  = 0;
           hasChildren = false;
           subTreeCount  = 0;

-       }
+    }

     //I don't know what I need to do in the destructure
     ~wxDataViewTreeNode()
     {
     //I don't know what I need to do in the destructure
     ~wxDataViewTreeNode()
     {


@@ -292,17 +292,17 @@ public:
     void AddNode( wxDataViewTreeNode * node )
     {
         leaves.Add( node->GetItem().GetID() );
     void AddNode( wxDataViewTreeNode * node )
     {
         leaves.Add( node->GetItem().GetID() );

-        if (g_column >= 0)
+        if (g_column >= -1)

             leaves.Sort( &wxGenericTreeModelItemCmp );
         nodes.Add( node );
             leaves.Sort( &wxGenericTreeModelItemCmp );
         nodes.Add( node );

-        if (g_column >= 0)
+        if (g_column >= -1)

             nodes.Sort( &wxGenericTreeModelNodeCmp );
     }
             nodes.Sort( &wxGenericTreeModelNodeCmp );
     }

-    void AddLeaf( void * leaf ) 
-    { 
-        leaves.Add( leaf ); 
-        if (g_column >= 0)
-            leaves.Sort( &wxGenericTreeModelItemCmp );        
+    void AddLeaf( void * leaf )
+    {
+        leaves.Add( leaf );
+        if (g_column >= -1)
+            leaves.Sort( &wxGenericTreeModelItemCmp );

     }
 
     wxDataViewItem & GetItem() { return item; }
     }
 
     wxDataViewItem & GetItem() { return item; }


@@ -313,13 +313,13 @@ public:
     int GetIndentLevel()
     {
         int ret = 0 ;
     int GetIndentLevel()
     {
         int ret = 0 ;

-        wxDataViewTreeNode * node = this;
-        while( node->GetParent()->GetParent() != NULL )
-        {
-            node = node->GetParent();
-            ret ++;
-        }
-        return ret;
+     wxDataViewTreeNode * node = this;
+     while( node->GetParent()->GetParent() != NULL )
+     {
+         node = node->GetParent();
+         ret ++;
+     }
+     return ret;

     }
 
     bool IsOpen()
     }
 
     bool IsOpen()


@@ -362,9 +362,9 @@ public:
 
     void Resort()
     {
 
     void Resort()
     {

-        if (g_column >= 0)
+        if (g_column >= -1)

         {
         {

-            nodes.Sort( &wxGenericTreeModelNodeCmp );      
+            nodes.Sort( &wxGenericTreeModelNodeCmp );

             int len = nodes.GetCount();
             for (int i = 0; i < len; i ++)
             {
             int len = nodes.GetCount();
             for (int i = 0; i < len; i ++)
             {


@@ -416,33 +416,36 @@ public:
     virtual ~wxDataViewMainWindow();
 
     // notifications from wxDataViewModel
     virtual ~wxDataViewMainWindow();
 
     // notifications from wxDataViewModel

-    void SendModelEvent( wxEventType type, const wxDataViewItem & item);

     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
     bool ItemChanged( const wxDataViewItem &item );
     bool ValueChanged( const wxDataViewItem &item, unsigned int col );
     bool Cleared();
     void Resort()
     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
     bool ItemChanged( const wxDataViewItem &item );
     bool ValueChanged( const wxDataViewItem &item, unsigned int col );
     bool Cleared();
     void Resort()

-    { 
+    {

         SortPrepare();
         SortPrepare();

-        m_root->Resort(); 
-        UpdateDisplay(); 
+        m_root->Resort();
+        UpdateDisplay();

     }
 
     void SortPrepare()
     {
     }
 
     void SortPrepare()
     {

-        g_model = GetOwner()->GetModel(); 
+        g_model = GetOwner()->GetModel();

         wxDataViewColumn* col = GetOwner()->GetSortingColumn();
         if( !col )
         {
         wxDataViewColumn* col = GetOwner()->GetSortingColumn();
         if( !col )
         {

-            g_column = -1;
+            if (g_model->HasDefaultCompare())
+                g_column = -1;
+            else
+                g_column = -2;
+

             g_asending = true;
             return;
         }
         g_column = col->GetModelColumn();
             g_asending = true;
             return;
         }
         g_column = col->GetModelColumn();

-        g_asending = col->IsSortOrderAscending();    
+        g_asending = col->IsSortOrderAscending();

     }
     }

-       
+

     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
     wxDataViewCtrl *GetOwner() { return m_owner; }
     const wxDataViewCtrl *GetOwner() const { return m_owner; }
     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
     wxDataViewCtrl *GetOwner() { return m_owner; }
     const wxDataViewCtrl *GetOwner() const { return m_owner; }


@@ -485,6 +488,7 @@ public:
     void SelectRows( unsigned int from, unsigned int to, bool on );
     void ReverseRowSelection( unsigned int row );
     bool IsRowSelected( unsigned int row );
     void SelectRows( unsigned int from, unsigned int to, bool on );
     void ReverseRowSelection( unsigned int row );
     bool IsRowSelected( unsigned int row );

+    void SendSelectionChangedEvent( const wxDataViewItem& item);

 
     void RefreshRow( unsigned int row );
     void RefreshRows( unsigned int from, unsigned int to );
 
     void RefreshRow( unsigned int row );
     void RefreshRows( unsigned int from, unsigned int to );


@@ -555,6 +559,8 @@ private:
     //This is the tree structure of the model
     wxDataViewTreeNode * m_root;
     int m_count;
     //This is the tree structure of the model
     wxDataViewTreeNode * m_root;
     int m_count;

+    //This is the tree node under the cursor
+    wxDataViewTreeNode * m_underMouse;

 private:
     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
     DECLARE_EVENT_TABLE()
 private:
     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
     DECLARE_EVENT_TABLE()


@@ -581,7 +587,7 @@ public:
     virtual bool Cleared()
         { return m_mainWindow->Cleared(); }
     virtual void Resort()
     virtual bool Cleared()
         { return m_mainWindow->Cleared(); }
     virtual void Resort()

-        { m_mainWindow->Resort(); }
+         { m_mainWindow->Resort(); }

 
     wxDataViewMainWindow    *m_mainWindow;
 };
 
     wxDataViewMainWindow    *m_mainWindow;
 };


@@ -986,6 +992,66 @@ bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *m
     return true;
 }
 
     return true;
 }
 

+// ---------------------------------------------------------
+// wxDataViewIconTextRenderer
+// ---------------------------------------------------------
+
+IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
+
+wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
+  const wxString &varianttype, wxDataViewCellMode mode, int align ) :
+    wxDataViewCustomRenderer( varianttype, mode, align )
+{
+    SetMode(mode);
+    SetAlignment(align);
+}
+
+wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
+{
+}
+
+bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
+{
+    m_value << value;
+    return true;
+}
+
+bool wxDataViewIconTextRenderer::GetValue( wxVariant &value ) const
+{
+    return false;
+}
+
+bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
+{
+    dc->SetFont( GetOwner()->GetOwner()->GetFont() );
+
+    const wxIcon &icon = m_value.GetIcon();
+    if (icon.IsOk())
+    {
+        dc->DrawIcon( icon, cell.x, cell.y ); // TODO centre
+        cell.x += icon.GetWidth()+4;
+    }
+
+    dc->DrawText( m_value.GetText(), cell.x, cell.y );
+
+    return true;
+}
+
+wxSize wxDataViewIconTextRenderer::GetSize() const
+{
+    return wxSize(80,16);  // TODO
+}
+
+wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value )
+{
+    return NULL;
+}
+
+bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl* editor, wxVariant &value )
+{
+    return false;
+}
+

 // ---------------------------------------------------------
 // wxDataViewColumn
 // ---------------------------------------------------------
 // ---------------------------------------------------------
 // wxDataViewColumn
 // ---------------------------------------------------------


@@ -1596,10 +1662,6 @@ void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
         m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
         w -= 6;
 
         m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
         w -= 6;
 

-        // erase the line if it was drawn
-        if (m_currentX < w)
-            DrawCurrent();
-

         if (event.ButtonUp())
         {
             m_isDragging = false;
         if (event.ButtonUp())
         {
             m_isDragging = false;


@@ -1607,19 +1669,15 @@ void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
                 ReleaseMouse();
 
             m_dirty = true;
                 ReleaseMouse();
 
             m_dirty = true;

+        }
+        m_currentX = wxMax(m_minX + 7, x);

 
 

+        if (m_currentX < w)
+        {

             GetColumn(m_column)->SetWidth(m_currentX - m_minX);
             GetColumn(m_column)->SetWidth(m_currentX - m_minX);

-

             Refresh();
             GetOwner()->Refresh();
         }
             Refresh();
             GetOwner()->Refresh();
         }

-        else
-        {
-            m_currentX = wxMax(m_minX + 7, x);
-
-            // draw in the new location
-            if (m_currentX < w) DrawCurrent();
-        }

 
     }
     else     // not dragging
 
     }
     else     // not dragging


@@ -1674,7 +1732,6 @@ void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
                 m_isDragging = true;
                 CaptureMouse();
                 m_currentX = x;
                 m_isDragging = true;
                 CaptureMouse();
                 m_currentX = x;

-                DrawCurrent();

             }
             else    // click on a column
             {
             }
             else    // click on a column
             {


@@ -1721,8 +1778,12 @@ void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
     }
 }
 
     }
 }
 

+//I must say that this function is deprecated, but I think it is useful to keep it for a time

 void wxGenericDataViewHeaderWindow::DrawCurrent()
 {
 void wxGenericDataViewHeaderWindow::DrawCurrent()
 {

+#if 1
+    GetColumn(m_column)->SetWidth(m_currentX - m_minX);
+#else

     int x1 = m_currentX;
     int y1 = 0;
     ClientToScreen (&x1, &y1);
     int x1 = m_currentX;
     int y1 = 0;
     ClientToScreen (&x1, &y1);


@@ -1740,7 +1801,8 @@ void wxGenericDataViewHeaderWindow::DrawCurrent()
     dc.SetPen(m_penCurrent);
     dc.SetBrush(*wxTRANSPARENT_BRUSH);
     AdjustDC(dc);
     dc.SetPen(m_penCurrent);
     dc.SetBrush(*wxTRANSPARENT_BRUSH);
     AdjustDC(dc);

-    dc.DrawLine(x1, y1, x2, y2);
+    dc.DrawLine(x1, y1, x2, y2 );
+#endif

 }
 
 void wxGenericDataViewHeaderWindow::AdjustDC(wxDC& dc)
 }
 
 void wxGenericDataViewHeaderWindow::AdjustDC(wxDC& dc)


@@ -1841,6 +1903,7 @@ wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID i
 
     //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
     m_count = -1 ;
 
     //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
     m_count = -1 ;

+    m_underMouse = NULL;

     UpdateDisplay();
 }
 
     UpdateDisplay();
 }
 


@@ -1901,7 +1964,7 @@ public:
 
 bool Walker( wxDataViewTreeNode * node, DoJob & func )
 {
 
 bool Walker( wxDataViewTreeNode * node, DoJob & func )
 {

-    if( node==NULL ||  !node->HasChildren())
+    if( node==NULL )

         return false;
 
     switch( func( node ) )
         return false;
 
     switch( func( node ) )


@@ -1949,25 +2012,12 @@ bool Walker( wxDataViewTreeNode * node, DoJob & func )
     return false;
 }
 
     return false;
 }
 

-void wxDataViewMainWindow::SendModelEvent( wxEventType type, const wxDataViewItem & item )
-{
-    wxWindow *parent = GetParent();
-    wxDataViewEvent le(type, parent->GetId());
-
-    le.SetEventObject(parent);
-    le.SetModel(GetOwner()->GetModel());
-    le.SetItem( item );
-
-    parent->GetEventHandler()->ProcessEvent(le);
-}
-

 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
 {
     SortPrepare();
 
     wxDataViewTreeNode * node;
     node = FindNode(parent);
 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
 {
     SortPrepare();
 
     wxDataViewTreeNode * node;
     node = FindNode(parent);

-    SendModelEvent(wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_ADDED, item );

 
     if( node == NULL )
         return false;
 
     if( node == NULL )
         return false;


@@ -1998,7 +2048,7 @@ bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
                                        const wxDataViewItem& item)
 {
     wxDataViewTreeNode * node = FindNode(parent);
                                        const wxDataViewItem& item)
 {
     wxDataViewTreeNode * node = FindNode(parent);

-    
+

     wxCHECK_MSG( node != NULL, false, "item not found" );
     wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" );
 
     wxCHECK_MSG( node != NULL, false, "item not found" );
     wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" );
 


@@ -2009,8 +2059,17 @@ bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
     {
         m_selection.Empty();
     }
     {
         m_selection.Empty();
     }

-
-    if( GetOwner()->GetModel()->IsContainer( item ) )
+    bool isContainer = false;
+    wxDataViewTreeNodes nds = node->GetNodes();
+    for (size_t i = 0; i < nds.GetCount(); i ++)
+    {
+        if (nds[i]->GetItem() == item)
+        {
+            isContainer = true;
+            break;
+        }
+    }
+    if( isContainer )

     {
         wxDataViewTreeNode * n = NULL;
         wxDataViewTreeNodes nodes = node->GetNodes();
     {
         wxDataViewTreeNode * n = NULL;
         wxDataViewTreeNodes nodes = node->GetNodes();


@@ -2030,20 +2089,20 @@ bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
         sub -= n->GetSubTreeCount();
         DestroyTreeHelper(n);
     }
         sub -= n->GetSubTreeCount();
         DestroyTreeHelper(n);
     }

-
-    if( node->GetChildrenNumber() == 0)
-        node->SetHasChildren( false );
-

     //Make the row number invalid and get a new valid one when user call GetRowCount
     m_count = -1;
     node->ChangeSubTreeCount(sub);
     //Make the row number invalid and get a new valid one when user call GetRowCount
     m_count = -1;
     node->ChangeSubTreeCount(sub);

+    if( node->GetChildrenNumber() == 0)
+    {
+        node->GetParent()->GetNodes().Remove( node );
+        delete node;
+    }
+

     //Change the current row to the last row if the current exceed the max row number
     if( m_currentRow > GetRowCount() )
         m_currentRow = m_count - 1;
 
     UpdateDisplay();
     //Change the current row to the last row if the current exceed the max row number
     if( m_currentRow > GetRowCount() )
         m_currentRow = m_count - 1;
 
     UpdateDisplay();

-    
-    SendModelEvent(wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_DELETED, item);

 
     return true;
 }
 
     return true;
 }


@@ -2053,8 +2112,14 @@ bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
     SortPrepare();
     g_model->Resort();
 
     SortPrepare();
     g_model->Resort();
 

-    SendModelEvent(wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_CHANGED,item);
-
+    //Send event
+    wxWindow *parent = GetParent();
+    wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
+    le.SetEventObject(parent);
+    le.SetModel(GetOwner()->GetModel());
+    le.SetItem(item);
+    parent->GetEventHandler()->ProcessEvent(le);
+    

     return true;
 }
 
     return true;
 }
 


@@ -2074,7 +2139,7 @@ bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned i
 
     //Send event
     wxWindow *parent = GetParent();
 
     //Send event
     wxWindow *parent = GetParent();

-    wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_MODEL_VALUE_CHANGED, parent->GetId());
+    wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());

     le.SetEventObject(parent);
     le.SetModel(GetOwner()->GetModel());
     le.SetItem(item);
     le.SetEventObject(parent);
     le.SetModel(GetOwner()->GetModel());
     le.SetItem(item);


@@ -2092,12 +2157,6 @@ bool wxDataViewMainWindow::Cleared()
     DestroyTree();
     UpdateDisplay();
 
     DestroyTree();
     UpdateDisplay();
 

-    wxWindow *parent = GetParent();
-    wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_MODEL_CLEARED, parent->GetId());
-    le.SetEventObject(parent);
-    le.SetModel(GetOwner()->GetModel());
-    parent->GetEventHandler()->ProcessEvent(le);
-

     return true;
 }
 
     return true;
 }
 


@@ -2174,7 +2233,7 @@ void wxDataViewMainWindow::ScrollTo( int rows, int column )
         }
         if( x_start < xx )
         {
         }
         if( x_start < xx )
         {

-            sx = x_start/x; 
+            sx = x_start/x;

         }
     }
     m_owner->Scroll( sx, sy );
         }
     }
     m_owner->Scroll( sx, sy );


@@ -2297,8 +2356,9 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
     {
         // TODO: last column for RTL support
         expander = GetOwner()->GetColumn( 0 );
     {
         // TODO: last column for RTL support
         expander = GetOwner()->GetColumn( 0 );

+        GetOwner()->SetExpanderColumn(expander);

     }
     }

-        
+

     // redraw all cells for all rows which must be repainted and for all columns
     wxRect cell_rect;
     cell_rect.x = x_start;
     // redraw all cells for all rows which must be repainted and for all columns
     wxRect cell_rect;
     cell_rect.x = x_start;


@@ -2312,16 +2372,16 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
         if (col->IsHidden())
             continue;       // skipt it!
 
         if (col->IsHidden())
             continue;       // skipt it!
 

-        
+

         for (unsigned int item = item_start; item < item_last; item++)
         {
             // get the cell value and set it into the renderer
             wxVariant value;
         for (unsigned int item = item_start; item < item_last; item++)
         {
             // get the cell value and set it into the renderer
             wxVariant value;

-            wxDataViewTreeNode * node = GetTreeNodeByRow(item);
-            if( node == NULL )
-            {
-                continue;
-            }
+         wxDataViewTreeNode * node = GetTreeNodeByRow(item);
+         if( node == NULL )
+         {
+             continue;
+         }

 
             wxDataViewItem dataitem = node->GetItem();
              model->GetValue( value, dataitem, col->GetModelColumn());
 
             wxDataViewItem dataitem = node->GetItem();
              model->GetValue( value, dataitem, col->GetModelColumn());


@@ -2345,13 +2405,16 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
                 dc.SetBrush( wxNullBrush );
                 if( node->HasChildren() )
                 {
                 dc.SetBrush( wxNullBrush );
                 if( node->HasChildren() )
                 {

-                    //dc.DrawRoundedRectangle( expander_x,expander_y,expander_width,expander_width, 1.0);
-                    //dc.DrawLine( expander_x + 2 , expander_y + expander_width/2, expander_x + expander_width - 2, expander_y + expander_width/2 );

                     wxRect rect( expander_x , expander_y, expander_width, expander_width);
                     wxRect rect( expander_x , expander_y, expander_width, expander_width);

+                    int flag = 0;
+                    if (m_underMouse == node)
+                    {
+                        flag |= wxCONTROL_CURRENT;
+                    }

                     if( node->IsOpen() )
                     if( node->IsOpen() )

-                        wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, wxCONTROL_EXPANDED );
+                        wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED );

                     else
                     else

-                        wxRendererNative::Get().DrawTreeItemButton( this, dc, rect );
+                        wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);

                 }
                 else
                 {
                 }
                 else
                 {


@@ -2455,11 +2518,11 @@ unsigned int wxDataViewMainWindow::GetLastVisibleRow()
     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
                                      &client_size.x, &client_size.y );
 
     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
                                      &client_size.x, &client_size.y );
 

-    //we should deal with the pixel here 
+    //we should deal with the pixel here

     unsigned int row = (client_size.y)/m_lineHeight;
     if( client_size.y % m_lineHeight < m_lineHeight/2 )
         row -= 1;
     unsigned int row = (client_size.y)/m_lineHeight;
     if( client_size.y % m_lineHeight < m_lineHeight/2 )
         row -= 1;

-    
+

     return wxMin( GetRowCount()-1, row );
 }
 
     return wxMin( GetRowCount()-1, row );
 }
 


@@ -2582,6 +2645,18 @@ bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
     return (m_selection.Index( row ) != wxNOT_FOUND);
 }
 
     return (m_selection.Index( row ) != wxNOT_FOUND);
 }
 

+void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
+{
+    wxWindow *parent = GetParent();
+    wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
+
+    le.SetEventObject(parent);
+    le.SetModel(GetOwner()->GetModel());
+    le.SetItem( item );
+
+    parent->GetEventHandler()->ProcessEvent(le);
+}
+

 void wxDataViewMainWindow::RefreshRow( unsigned int row )
 {
     wxRect rect( 0, row*m_lineHeight, GetEndOfLastCol(), m_lineHeight );
 void wxDataViewMainWindow::RefreshRow( unsigned int row )
 {
     wxRect rect( 0, row*m_lineHeight, GetEndOfLastCol(), m_lineHeight );


@@ -2656,6 +2731,8 @@ void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent
         }
 
         SelectRows( oldCurrent, newCurrent, true );
         }
 
         SelectRows( oldCurrent, newCurrent, true );

+        if (oldCurrent!=newCurrent)
+            SendSelectionChangedEvent(GetItemByRow(m_selection[0]));

     }
     else // !shift
     {
     }
     else // !shift
     {


@@ -2668,7 +2745,10 @@ void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent
         ChangeCurrentRow( newCurrent );
 
         if ( !event.ControlDown() )
         ChangeCurrentRow( newCurrent );
 
         if ( !event.ControlDown() )

+        {

             SelectRow( m_currentRow, true );
             SelectRow( m_currentRow, true );

+            SendSelectionChangedEvent(GetItemByRow(m_currentRow));
+        }

         else
             RefreshRow( m_currentRow );
     }
         else
             RefreshRow( m_currentRow );
     }


@@ -2697,7 +2777,7 @@ public:
     {
         current ++;
         if( current == static_cast<int>(row))
     {
         current ++;
         if( current == static_cast<int>(row))

-        {
+         {

             ret = node->GetItem() ;
             return DoJob::OK;
         }
             ret = node->GetItem() ;
             return DoJob::OK;
         }


@@ -2725,7 +2805,7 @@ public:
     {
         current ++;
         if( current == static_cast<int>(row))
     {
         current ++;
         if( current == static_cast<int>(row))

-        {
+         {

             ret = wxDataViewItem( n ) ;
             return DoJob::OK;
         }
             ret = wxDataViewItem( n ) ;
             return DoJob::OK;
         }


@@ -2761,7 +2841,7 @@ public:
     {
         current ++;
         if( current == static_cast<int>(row))
     {
         current ++;
         if( current == static_cast<int>(row))

-        {
+         {

             ret = node ;
             return DoJob::OK;
         }
             ret = node ;
             return DoJob::OK;
         }


@@ -2795,7 +2875,7 @@ public:
     {
         current ++;
         if( current == static_cast<int>(row))
     {
         current ++;
         if( current == static_cast<int>(row))

-        {
+         {

             ret = new wxDataViewTreeNode( parent ) ;
             ret->SetItem( wxDataViewItem( n ));
             ret->SetHasChildren(false);
             ret = new wxDataViewTreeNode( parent ) ;
             ret->SetItem( wxDataViewItem( n ));
             ret->SetHasChildren(false);


@@ -2846,11 +2926,14 @@ void wxDataViewMainWindow::OnExpanding( unsigned int row )
                //Check if the user prevent expanding
                if( e.GetSkipped() )
                     return;
                //Check if the user prevent expanding
                if( e.GetSkipped() )
                     return;

-               
+

                node->ToggleOpen();
                //Here I build the children of current node
                if( node->GetChildrenNumber() == 0 )
                node->ToggleOpen();
                //Here I build the children of current node
                if( node->GetChildrenNumber() == 0 )

+               {
+                   SortPrepare();

                    BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
                    BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);

+               }

                m_count = -1;
                UpdateDisplay();
                //Send the expanded event
                m_count = -1;
                UpdateDisplay();
                //Send the expanded event


@@ -2861,6 +2944,7 @@ void wxDataViewMainWindow::OnExpanding( unsigned int row )
                 SelectRow( row, false );
                 SelectRow( row + 1, true );
                 ChangeCurrentRow( row + 1 );
                 SelectRow( row, false );
                 SelectRow( row + 1, true );
                 ChangeCurrentRow( row + 1 );

+                SendSelectionChangedEvent( GetItemByRow(row+1));

             }
         }
         else
             }
         }
         else


@@ -2896,6 +2980,7 @@ void wxDataViewMainWindow::OnCollapsing(unsigned int row)
                     SelectRow( row, false);
                     SelectRow(parent , true );
                     ChangeCurrentRow( parent );
                     SelectRow( row, false);
                     SelectRow(parent , true );
                     ChangeCurrentRow( parent );

+                    SendSelectionChangedEvent( node->GetItem() );

                 }
             }
         }
                 }
             }
         }


@@ -2924,19 +3009,22 @@ wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item
     //Find the item along the parent-chain.
     //This algorithm is designed to speed up the node-finding method
     wxDataViewTreeNode * node = m_root;
     //Find the item along the parent-chain.
     //This algorithm is designed to speed up the node-finding method
     wxDataViewTreeNode * node = m_root;

-    for( ItemList::Node * n = list.GetFirst(); n; n = n->GetNext() )
+    for( ItemList::const_iterator iter = list.begin(); iter !=list.end() ; iter++ )

     {
         if( node->HasChildren() )
         {
             if( node->GetChildrenNumber() == 0 )
     {
         if( node->HasChildren() )
         {
             if( node->GetChildrenNumber() == 0 )

+            {
+                SortPrepare();

                 BuildTreeHelper(model, node->GetItem(), node);
                 BuildTreeHelper(model, node->GetItem(), node);

+            }

 
             wxDataViewTreeNodes nodes = node->GetNodes();
             int i = 0;
             for (; i < nodes.GetCount(); i ++)
             {
 
             wxDataViewTreeNodes nodes = node->GetNodes();
             int i = 0;
             for (; i < nodes.GetCount(); i ++)
             {

-                if (nodes[i]->GetItem() == *(n->GetData()))
-                {    
+                if (nodes[i]->GetItem() == (**iter))
+                {

                     node = nodes[i];
                     break;
                 }
                     node = nodes[i];
                     break;
                 }


@@ -3002,8 +3090,8 @@ int wxDataViewMainWindow::RecalculateCount()
 class ItemToRowJob : public DoJob
 {
 public:
 class ItemToRowJob : public DoJob
 {
 public:

-    ItemToRowJob(const wxDataViewItem & item, ItemList::Node * node )
-    { this->item = item ; ret = -1 ; nd = node ; }
+    ItemToRowJob(const wxDataViewItem & item, ItemList::const_iterator iter )
+    { this->item = item ; ret = -1 ; m_iter = iter ; }

     virtual ~ItemToRowJob(){};
 
     //Maybe binary search will help to speed up this process
     virtual ~ItemToRowJob(){};
 
     //Maybe binary search will help to speed up this process


@@ -3015,9 +3103,9 @@ public:
              return DoJob::OK;
          }
 
              return DoJob::OK;
          }
 

-         if( nd && node->GetItem() == *(nd->GetData()))
+         if( node->GetItem() == **m_iter )

          {
          {

-             nd = nd->GetNext();
+             m_iter++ ;

              return DoJob::CONT;
          }
          else
              return DoJob::CONT;
          }
          else


@@ -3038,7 +3126,7 @@ public:
     //the row number is begin from zero
     int GetResult(){ return ret -1 ; }
 private:
     //the row number is begin from zero
     int GetResult(){ return ret -1 ; }
 private:

-    ItemList::Node * nd;
+    ItemList::const_iterator  m_iter;

     wxDataViewItem item;
     int ret;
 
     wxDataViewItem item;
     int ret;
 


@@ -3067,7 +3155,7 @@ int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item)
     pItem = new wxDataViewItem( );
     list.Insert( pItem );
 
     pItem = new wxDataViewItem( );
     list.Insert( pItem );
 

-    ItemToRowJob job( item, list.GetFirst() );
+    ItemToRowJob job( item, list.begin() );

     Walker(m_root , job );
     return job.GetResult();
 }
     Walker(m_root , job );
     return job.GetResult();
 }


@@ -3077,23 +3165,23 @@ void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, wxDataVie
     if( !model->IsContainer( item ) )
         return ;
 
     if( !model->IsContainer( item ) )
         return ;
 

-    wxDataViewItem i = model->GetFirstChild( item );
-    int num = 0;
-    while( i.IsOk() )
+    wxDataViewItemArray children;
+    unsigned int num = model->GetChildren( item, children);
+    int index = 0;
+    while( index < num )

     {
     {

-        num ++;
-        if( model->IsContainer( i ) )
+        if( model->IsContainer( children[index] ) )

         {
             wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
         {
             wxDataViewTreeNode * n = new wxDataViewTreeNode( node );

-            n->SetItem(i);
+            n->SetItem(children[index]);

             n->SetHasChildren( true ) ;
             node->AddNode( n );
         }
         else
         {
             n->SetHasChildren( true ) ;
             node->AddNode( n );
         }
         else
         {

-            node->AddLeaf( i.GetID() );
+            node->AddLeaf( children[index].GetID() );

         }
         }

-        i = model->GetNextSibling( i );
+        index ++;

     }
     node->SetSubTreeCount( num );
     wxDataViewTreeNode * n = node->GetParent();
     }
     node->SetSubTreeCount( num );
     wxDataViewTreeNode * n = node->GetParent();


@@ -3170,11 +3258,11 @@ void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
             break;
         //Add the process for tree expanding/collapsing
         case WXK_LEFT:
             break;
         //Add the process for tree expanding/collapsing
         case WXK_LEFT:

-            OnCollapsing(m_currentRow);
-            break;
-        case WXK_RIGHT:
-            OnExpanding( m_currentRow);
-            break;
+         OnCollapsing(m_currentRow);
+         break;
+     case WXK_RIGHT:
+         OnExpanding( m_currentRow);
+         break;

         case WXK_END:
             if (!IsEmpty())
                 OnArrowChar( GetRowCount() - 1, event );
         case WXK_END:
             if (!IsEmpty())
                 OnArrowChar( GetRowCount() - 1, event );


@@ -3225,7 +3313,6 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
     int x = event.GetX();
     int y = event.GetY();
     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
     int x = event.GetX();
     int y = event.GetY();
     m_owner->CalcUnscrolledPosition( x, y, &x, &y );

-

     wxDataViewColumn *col = NULL;
 
     int xpos = 0;
     wxDataViewColumn *col = NULL;
 
     int xpos = 0;


@@ -3246,16 +3333,55 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
     }
     if (!col)
         return;
     }
     if (!col)
         return;

-    wxDataViewRenderer *cell = col->GetRenderer();

 
 

+    wxDataViewRenderer *cell = col->GetRenderer();

     unsigned int current = y / m_lineHeight;
     unsigned int current = y / m_lineHeight;

-

     if ((current > GetRowCount()) || (x > GetEndOfLastCol()))
     {
         // Unselect all if below the last row ?
         return;
     }
 
     if ((current > GetRowCount()) || (x > GetEndOfLastCol()))
     {
         // Unselect all if below the last row ?
         return;
     }
 

+    //Test whether the mouse is hovered on the tree item button
+    bool hover = false;
+    if (GetOwner()->GetExpanderColumn() == col)
+    {
+        wxDataViewTreeNode * node = GetTreeNodeByRow(current);
+        if( node!=NULL && node->HasChildren() )
+        {
+            int indent = node->GetIndentLevel();
+            indent = GetOwner()->GetIndent()*indent;
+            wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
+            if( rect.Contains( x, y) )
+            {
+                //So the mouse is over the expander
+                hover = true;
+                if (m_underMouse && m_underMouse != node)
+                {
+                    //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
+                    Refresh(GetRowByItem(m_underMouse->GetItem()));
+                }
+                if (m_underMouse != node)
+                {
+                    //wxLogMessage("Do the row: %d", current);
+                    Refresh(current);
+                }
+                m_underMouse = node;
+            }
+        }
+     if (node!=NULL && !node->HasChildren())
+            delete node;
+    }
+    if (!hover)
+    {
+        if (m_underMouse != NULL)
+        {
+            //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
+            Refresh(GetRowByItem(m_underMouse->GetItem()));
+            m_underMouse = NULL;
+        }
+    }
+

     wxDataViewModel *model = GetOwner()->GetModel();
 
     if (event.Dragging())
     wxDataViewModel *model = GetOwner()->GetModel();
 
     if (event.Dragging())


@@ -3337,22 +3463,24 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
 
         //Process the event of user clicking the expander
         bool expander = false;
 
         //Process the event of user clicking the expander
         bool expander = false;

-        wxDataViewTreeNode * node = GetTreeNodeByRow(current);
-        if( node!=NULL && node->HasChildren() )
+        if (GetOwner()->GetExpanderColumn() == col)

         {
         {

-            int indent = node->GetIndentLevel();
-            indent = GetOwner()->GetIndent()*indent;
-            wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
-            if( rect.Contains( x, y) )
+            wxDataViewTreeNode * node = GetTreeNodeByRow(current);
+            if( node!=NULL && node->HasChildren() )

             {
             {

-                expander = true;
-                if( node->IsOpen() )
-                    OnCollapsing(current);
-                else
-                    OnExpanding( current );
+                int indent = node->GetIndentLevel();
+                indent = GetOwner()->GetIndent()*indent;
+                wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
+                if( rect.Contains( x, y) )
+                {
+                    expander = true;
+                    if( node->IsOpen() )
+                        OnCollapsing(current);
+                    else
+                        OnExpanding( current );
+                }

             }
         }
             }
         }

-

         //If the user click the expander, we do not do editing even if the column with expander are editable
         if (m_lastOnSame && !expander )
         {
         //If the user click the expander, we do not do editing even if the column with expander are editable
         if (m_lastOnSame && !expander )
         {


@@ -3387,6 +3515,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
             SelectAllRows(false);
             ChangeCurrentRow(current);
             SelectRow(m_currentRow,true);
             SelectAllRows(false);
             ChangeCurrentRow(current);
             SelectRow(m_currentRow,true);

+            SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );

         }
 
         // notify cell about right click
         }
 
         // notify cell about right click


@@ -3416,10 +3545,9 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
             if ( IsSingleSel() || !IsRowSelected(current) )
             {
                 SelectAllRows( false );
             if ( IsSingleSel() || !IsRowSelected(current) )
             {
                 SelectAllRows( false );

-

                 ChangeCurrentRow(current);
                 ChangeCurrentRow(current);

-

                 SelectRow(m_currentRow,true);
                 SelectRow(m_currentRow,true);

+                SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );

             }
             else // multi sel & current is highlighted & no mod keys
             {
             }
             else // multi sel & current is highlighted & no mod keys
             {


@@ -3432,8 +3560,8 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
             if (cmdModifierDown)
             {
                 ChangeCurrentRow(current);
             if (cmdModifierDown)
             {
                 ChangeCurrentRow(current);

-

                 ReverseRowSelection(m_currentRow);
                 ReverseRowSelection(m_currentRow);

+                SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );

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


@@ -3449,6 +3577,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
                 }
 
                 SelectRows(lineFrom, lineTo, true);
                 }
 
                 SelectRows(lineFrom, lineTo, true);

+                SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );

             }
             else // !ctrl, !shift
             {
             }
             else // !ctrl, !shift
             {


@@ -3652,11 +3781,11 @@ wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
 
 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
 {
 
 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
 {

-    wxDataViewColumnList::Node * ret = m_cols.Find( column );
+    wxDataViewColumnList::compatibility_iterator  ret = m_cols.Find( column );

     if (ret == NULL)
         return false;
 
     if (ret == NULL)
         return false;
 

-    m_cols.Erase(ret); 
+    m_cols.Erase(ret);

     delete column;
     OnColumnChange();
 
     delete column;
     OnColumnChange();
 


@@ -3670,6 +3799,30 @@ bool wxDataViewCtrl::ClearColumns()
     return true;
 }
 
     return true;
 }
 

+int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
+{
+    int ret = 0, dead = 0;
+    int len = GetColumnCount();
+    for (int i=0; i<len; i++)
+    {
+        wxDataViewColumn * col = GetColumn(i);
+        if (col->IsHidden())
+            continue;
+        ret += col->GetWidth();
+        if (column==col)
+        {
+            CalcScrolledPosition( ret, dead, &ret, &dead );
+            break;
+        }
+    }
+    return ret;
+}
+
+wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
+{
+    return NULL;
+}
+

 //Selection code with wxDataViewItem as parameters
 wxDataViewItem wxDataViewCtrl::GetSelection() const
 {
 //Selection code with wxDataViewItem as parameters
 wxDataViewItem wxDataViewCtrl::GetSelection() const
 {


@@ -3783,7 +3936,7 @@ bool wxDataViewCtrl::IsSelected( int row ) const
 
 void wxDataViewCtrl::SelectRange( int from, int to )
 {
 
 void wxDataViewCtrl::SelectRange( int from, int to )
 {

-    wxArrayInt sel; 
+    wxArrayInt sel;

     for( int i = from; i < to; i ++ )
         sel.Add( i );
     m_clientArea->Select(sel);
     for( int i = from; i < to; i ++ )
         sel.Add( i );
     m_clientArea->Select(sel);


@@ -3831,9 +3984,9 @@ void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataVie
     if( row >= 0 )
     {
         if( column == NULL )
     if( row >= 0 )
     {
         if( column == NULL )

-            return EnsureVisible(row, -1);
+            EnsureVisible(row, -1);

         else
         else

-        {  
+        {

             int col = 0;
             int len = GetColumnCount();
             for( int i = 0; i < len; i ++ )
             int col = 0;
             int len = GetColumnCount();
             for( int i = 0; i < len; i ++ )


@@ -3845,7 +3998,7 @@ void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataVie
             EnsureVisible( row, col );
         }
     }
             EnsureVisible( row, col );
         }
     }

-        
+

 }
 
 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const
 }
 
 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const


@@ -3879,7 +4032,7 @@ void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
 {
     int row = m_clientArea->GetRowByItem( item );
     if (row != -1)
 {
     int row = m_clientArea->GetRowByItem( item );
     if (row != -1)

-        m_clientArea->Collapse(row);    
+        m_clientArea->Collapse(row);

 }
 
  #endif
 }
 
  #endif