adding missing doc string for BACKSPACE

[wxWidgets.git] / src / gtk / dataview.cpp

diff --git a/src/gtk/dataview.cpp b/src/gtk/dataview.cpp
index dcb66b9c9c7f095ec84116ba8b03cb1058840568..51713e1c48e3a41a51d7b23f46166439af65b8a0 100644 (file)
--- a/src/gtk/dataview.cpp
+++ b/src/gtk/dataview.cpp
@@ -34,6 +34,7 @@
 #include "wx/gtk/dcclient.h"
 
 #include "wx/gtk/private/gdkconv.h"
 #include "wx/gtk/dcclient.h"
 
 #include "wx/gtk/private/gdkconv.h"

+#include "wx/gtk/private/list.h"

 using namespace wxGTKImpl;
 
 class wxGtkDataViewModelNotifier;
 using namespace wxGTKImpl;
 
 class wxGtkDataViewModelNotifier;


@@ -98,6 +99,26 @@ private:
     wxDECLARE_NO_COPY_CLASS(wxGtkTreePath);
 };
 
     wxDECLARE_NO_COPY_CLASS(wxGtkTreePath);
 };
 

+// ----------------------------------------------------------------------------
+// wxGtkTreePathList: self-destroying list of GtkTreePath objects.
+// ----------------------------------------------------------------------------
+
+class wxGtkTreePathList : public wxGtkList
+{
+public:
+    // Ctor takes ownership of the list.
+    explicit wxGtkTreePathList(GList* list)
+        : wxGtkList(list)
+    {
+    }
+
+    ~wxGtkTreePathList()
+    {
+        // Delete the list contents, wxGtkList will delete the list itself.
+        g_list_foreach(m_list, (GFunc)gtk_tree_path_free, NULL);
+    }
+};
+

 // ----------------------------------------------------------------------------
 // wxGtkTreeSelectionLock: prevent selection from changing during the
 //                                 lifetime of this object
 // ----------------------------------------------------------------------------
 // wxGtkTreeSelectionLock: prevent selection from changing during the
 //                                 lifetime of this object


@@ -300,7 +321,7 @@ private:
 static
 int LINKAGEMODE wxGtkTreeModelChildCmp( void** id1, void** id2 )
 {
 static
 int LINKAGEMODE wxGtkTreeModelChildCmp( void** id1, void** id2 )
 {

-    int ret = gs_internal->GetDataViewModel()->Compare( *id1, *id2,
+    int ret = gs_internal->GetDataViewModel()->Compare( wxDataViewItem(*id1), wxDataViewItem(*id2),

         gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
 
     return ret;
         gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
 
     return ret;


@@ -493,11 +514,11 @@ static void     wxgtk_tree_model_set_sort_func         (GtkTreeSortable       *s
                                                         gint                   sort_column_id,
                                                         GtkTreeIterCompareFunc func,
                                                         gpointer               data,
                                                         gint                   sort_column_id,
                                                         GtkTreeIterCompareFunc func,
                                                         gpointer               data,

-                                                        GtkDestroyNotify       destroy);
+                                                        GDestroyNotify       destroy);

 static void     wxgtk_tree_model_set_default_sort_func (GtkTreeSortable       *sortable,
                                                         GtkTreeIterCompareFunc func,
                                                         gpointer               data,
 static void     wxgtk_tree_model_set_default_sort_func (GtkTreeSortable       *sortable,
                                                         GtkTreeIterCompareFunc func,
                                                         gpointer               data,

-                                                        GtkDestroyNotify       destroy);
+                                                        GDestroyNotify       destroy);

 static gboolean wxgtk_tree_model_has_default_sort_func (GtkTreeSortable       *sortable);
 
 /* drag'n'drop */
 static gboolean wxgtk_tree_model_has_default_sort_func (GtkTreeSortable       *sortable);
 
 /* drag'n'drop */


@@ -966,7 +987,7 @@ wxgtk_tree_model_set_sort_func (GtkTreeSortable        *sortable,
                                 gint                    WXUNUSED(sort_column_id),
                                 GtkTreeIterCompareFunc  func,
                                 gpointer                WXUNUSED(data),
                                 gint                    WXUNUSED(sort_column_id),
                                 GtkTreeIterCompareFunc  func,
                                 gpointer                WXUNUSED(data),

-                                GtkDestroyNotify        WXUNUSED(destroy))
+                                GDestroyNotify        WXUNUSED(destroy))

 {
     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
     g_return_if_fail (func != NULL);
 {
     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
     g_return_if_fail (func != NULL);


@@ -976,7 +997,7 @@ static void
 wxgtk_tree_model_set_default_sort_func (GtkTreeSortable          *sortable,
                                         GtkTreeIterCompareFunc    func,
                                         gpointer                  WXUNUSED(data),
 wxgtk_tree_model_set_default_sort_func (GtkTreeSortable          *sortable,
                                         GtkTreeIterCompareFunc    func,
                                         gpointer                  WXUNUSED(data),

-                                        GtkDestroyNotify          WXUNUSED(destroy))
+                                        GDestroyNotify          WXUNUSED(destroy))

 {
     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
     g_return_if_fail (func != NULL);
 {
     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
     g_return_if_fail (func != NULL);


@@ -1333,8 +1354,21 @@ gtk_wx_cell_renderer_get_size (GtkCellRenderer *renderer,
 
     wxSize size = cell->GetSize();
 
 
     wxSize size = cell->GetSize();
 

-    gint calc_width  = (gint) renderer->xpad * 2 + size.x;
-    gint calc_height = (gint) renderer->ypad * 2 + size.y;
+    wxDataViewCtrl * const ctrl = cell->GetOwner()->GetOwner();
+
+    // Uniform row height, if specified, overrides the value returned by the
+    // renderer.
+    if ( !ctrl->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
+    {
+        const int uniformHeight = ctrl->GTKGetUniformRowHeight();
+        if ( uniformHeight > 0 )
+            size.y = uniformHeight;
+    }
+
+    int xpad, ypad;
+    gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
+    int calc_width  = xpad * 2 + size.x;
+    int calc_height = ypad * 2 + size.y;

 
     if (x_offset)
         *x_offset = 0;
 
     if (x_offset)
         *x_offset = 0;


@@ -1343,17 +1377,17 @@ gtk_wx_cell_renderer_get_size (GtkCellRenderer *renderer,
 
     if (cell_area && size.x > 0 && size.y > 0)
     {
 
     if (cell_area && size.x > 0 && size.y > 0)
     {

+        float xalign, yalign;
+        gtk_cell_renderer_get_alignment(renderer, &xalign, &yalign);

         if (x_offset)
         {
         if (x_offset)
         {

-            *x_offset = (gint)((renderer->xalign *
-                               (cell_area->width - calc_width - 2 * renderer->xpad)));
-            *x_offset = MAX (*x_offset, 0) + renderer->xpad;
+            *x_offset = int(xalign * (cell_area->width - calc_width - 2 * xpad));
+            *x_offset = MAX(*x_offset, 0) + xpad;

         }
         if (y_offset)
         {
         }
         if (y_offset)
         {

-            *y_offset = (gint)((renderer->yalign *
-                               (cell_area->height - calc_height - 2 * renderer->ypad)));
-            *y_offset = MAX (*y_offset, 0) + renderer->ypad;
+            *y_offset = int(yalign * (cell_area->height - calc_height - 2 * ypad));
+            *y_offset = MAX(*y_offset, 0) + ypad;

         }
     }
 
         }
     }
 


@@ -1381,7 +1415,9 @@ gtk_wx_cell_renderer_render (GtkCellRenderer      *renderer,
                                background_area, expose_area, flags);
 
     wxRect rect(wxRectFromGDKRect(cell_area));
                                background_area, expose_area, flags);
 
     wxRect rect(wxRectFromGDKRect(cell_area));

-    rect = rect.Deflate(renderer->xpad, renderer->ypad);
+    int xpad, ypad;
+    gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
+    rect = rect.Deflate(xpad, ypad);

 
     wxWindowDC* dc = (wxWindowDC*) cell->GetDC();
     wxWindowDCImpl *impl = (wxWindowDCImpl *) dc->GetImpl();
 
     wxWindowDC* dc = (wxWindowDC*) cell->GetDC();
     wxWindowDCImpl *impl = (wxWindowDCImpl *) dc->GetImpl();


@@ -1431,8 +1467,10 @@ gtk_wx_cell_renderer_activate(
 
     rect.x += cell_area->x;
     rect.y += cell_area->y;
 
     rect.x += cell_area->x;
     rect.y += cell_area->y;

-    rect.width  -= renderer->xpad * 2;
-    rect.height -= renderer->ypad * 2;
+    int xpad, ypad;
+    gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
+    rect.width  -= xpad * 2;
+    rect.height -= ypad * 2;

 
     wxRect renderrect(wxRectFromGDKRect(&rect));
 
 
     wxRect renderrect(wxRectFromGDKRect(&rect));
 


@@ -1550,12 +1588,14 @@ bool wxGtkDataViewModelNotifier::ItemDeleted( const wxDataViewItem &parent, cons
         GTK_TREE_MODEL(wxgtk_model), &iter ));
 #else
     // so get the path from the parent
         GTK_TREE_MODEL(wxgtk_model), &iter ));
 #else
     // so get the path from the parent

-    GtkTreeIter iter;
-    iter.stamp = wxgtk_model->stamp;
-    iter.user_data = (gpointer) parent.GetID();
-    wxGtkTreePath path(wxgtk_tree_model_get_path(
-        GTK_TREE_MODEL(wxgtk_model), &iter ));
+    GtkTreeIter parentIter;
+    parentIter.stamp = wxgtk_model->stamp;
+    parentIter.user_data = (gpointer) parent.GetID();
+    wxGtkTreePath parentPath(wxgtk_tree_model_get_path(
+        GTK_TREE_MODEL(wxgtk_model), &parentIter ));
+

     // and add the final index ourselves
     // and add the final index ourselves

+    wxGtkTreePath path(gtk_tree_path_copy(parentPath));

     int index = m_internal->GetIndexOf( parent, item );
     gtk_tree_path_append_index( path, index );
 #endif
     int index = m_internal->GetIndexOf( parent, item );
     gtk_tree_path_append_index( path, index );
 #endif


@@ -1565,6 +1605,17 @@ bool wxGtkDataViewModelNotifier::ItemDeleted( const wxDataViewItem &parent, cons
 
     m_internal->ItemDeleted( parent, item );
 
 
     m_internal->ItemDeleted( parent, item );
 

+    // Did we remove the last child, causing 'parent' to become a leaf?
+    if ( !m_wx_model->IsContainer(parent) )
+    {
+        gtk_tree_model_row_has_child_toggled
+        (
+            GTK_TREE_MODEL(wxgtk_model),
+            parentPath,
+            &parentIter
+        );
+    }
+

     return true;
 }
 
     return true;
 }
 


@@ -1606,23 +1657,28 @@ bool wxGtkDataViewModelNotifier::ValueChanged( const wxDataViewItem &item, unsig
             GtkTreeView *widget = GTK_TREE_VIEW(ctrl->GtkGetTreeView());
             GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
 
             GtkTreeView *widget = GTK_TREE_VIEW(ctrl->GtkGetTreeView());
             GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
 

-            // Get cell area
-            GtkTreeIter iter;
-            iter.stamp = wxgtk_model->stamp;
-            iter.user_data = (gpointer) item.GetID();
-            wxGtkTreePath path(wxgtk_tree_model_get_path(
-                GTK_TREE_MODEL(wxgtk_model), &iter ));
-            GdkRectangle cell_area;
-            gtk_tree_view_get_cell_area( widget, path, gcolumn, &cell_area );
-
-            GtkAdjustment* hadjust = gtk_tree_view_get_hadjustment( widget );
-            double d = gtk_adjustment_get_value( hadjust );
-            int xdiff = (int) d;
-
-            int ydiff = gcolumn->button->allocation.height;
-            // Redraw
-            gtk_widget_queue_draw_area( GTK_WIDGET(widget),
-                cell_area.x - xdiff, ydiff + cell_area.y, cell_area.width, cell_area.height );
+            // Don't attempt to refresh not yet realized tree, it is useless
+            // and results in GTK errors.
+            if ( gtk_widget_get_realized(ctrl->GtkGetTreeView()) )
+            {
+                // Get cell area
+                GtkTreeIter iter;
+                iter.stamp = wxgtk_model->stamp;
+                iter.user_data = (gpointer) item.GetID();
+                wxGtkTreePath path(wxgtk_tree_model_get_path(
+                    GTK_TREE_MODEL(wxgtk_model), &iter ));
+                GdkRectangle cell_area;
+                gtk_tree_view_get_cell_area( widget, path, gcolumn, &cell_area );
+
+                GtkAdjustment* hadjust = gtk_tree_view_get_hadjustment( widget );
+                double d = gtk_adjustment_get_value( hadjust );
+                int xdiff = (int) d;
+
+                int ydiff = gcolumn->button->allocation.height;
+                // Redraw
+                gtk_widget_queue_draw_area( GTK_WIDGET(widget),
+                    cell_area.x - xdiff, ydiff + cell_area.y, cell_area.width, cell_area.height );
+            }

 
             m_internal->ValueChanged( item, model_column );
 
 
             m_internal->ValueChanged( item, model_column );
 


@@ -1818,7 +1874,7 @@ wxDataViewCellMode wxDataViewRenderer::GetMode() const
     return ret;
 }
 
     return ret;
 }
 

-void wxDataViewRenderer::GtkUpdateAlignment()
+void wxDataViewRenderer::GtkApplyAlignment(GtkCellRenderer *renderer)

 {
     int align = m_alignment;
 
 {
     int align = m_alignment;
 


@@ -1844,7 +1900,7 @@ void wxDataViewRenderer::GtkUpdateAlignment()
     GValue gvalue = { 0, };
     g_value_init( &gvalue, G_TYPE_FLOAT );
     g_value_set_float( &gvalue, xalign );
     GValue gvalue = { 0, };
     g_value_init( &gvalue, G_TYPE_FLOAT );
     g_value_set_float( &gvalue, xalign );

-    g_object_set_property( G_OBJECT(m_renderer), "xalign", &gvalue );
+    g_object_set_property( G_OBJECT(renderer), "xalign", &gvalue );

     g_value_unset( &gvalue );
 
     // vertical alignment:
     g_value_unset( &gvalue );
 
     // vertical alignment:


@@ -1858,7 +1914,7 @@ void wxDataViewRenderer::GtkUpdateAlignment()
     GValue gvalue2 = { 0, };
     g_value_init( &gvalue2, G_TYPE_FLOAT );
     g_value_set_float( &gvalue2, yalign );
     GValue gvalue2 = { 0, };
     g_value_init( &gvalue2, G_TYPE_FLOAT );
     g_value_set_float( &gvalue2, yalign );

-    g_object_set_property( G_OBJECT(m_renderer), "yalign", &gvalue2 );
+    g_object_set_property( G_OBJECT(renderer), "yalign", &gvalue2 );

     g_value_unset( &gvalue2 );
 }
 
     g_value_unset( &gvalue2 );
 }
 


@@ -2303,7 +2359,7 @@ public:
 
         m_context = window->GTKGetPangoDefaultContext();
         m_layout = pango_layout_new( m_context );
 
         m_context = window->GTKGetPangoDefaultContext();
         m_layout = pango_layout_new( m_context );

-        m_fontdesc = pango_font_description_copy( widget->style->font_desc );
+        m_fontdesc = pango_font_description_copy(gtk_widget_get_style(widget)->font_desc);

 
         m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget );
 
 
         m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget );
 


@@ -2342,13 +2398,20 @@ wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
         Init(mode, align);
 }
 
         Init(mode, align);
 }
 

+void wxDataViewCustomRenderer::GtkInitTextRenderer()
+{
+    m_text_renderer = GTK_CELL_RENDERER_TEXT(gtk_cell_renderer_text_new());
+    g_object_ref_sink(m_text_renderer);
+
+    GtkApplyAlignment(GTK_CELL_RENDERER(m_text_renderer));
+}
+

 GtkCellRendererText *wxDataViewCustomRenderer::GtkGetTextRenderer() const
 {
     if ( !m_text_renderer )
     {
         // we create it on demand so need to do it even from a const function
 GtkCellRendererText *wxDataViewCustomRenderer::GtkGetTextRenderer() const
 {
     if ( !m_text_renderer )
     {
         // we create it on demand so need to do it even from a const function

-        const_cast<wxDataViewCustomRenderer *>(this)->
-        m_text_renderer = GTK_CELL_RENDERER_TEXT(gtk_cell_renderer_text_new());
+        const_cast<wxDataViewCustomRenderer *>(this)->GtkInitTextRenderer();

     }
 
     return m_text_renderer;
     }
 
     return m_text_renderer;


@@ -2406,7 +2469,7 @@ wxDataViewCustomRenderer::~wxDataViewCustomRenderer()
         delete m_dc;
 
     if (m_text_renderer)
         delete m_dc;
 
     if (m_text_renderer)

-        gtk_object_sink( GTK_OBJECT(m_text_renderer) );
+        g_object_unref(m_text_renderer);

 }
 
 wxDC *wxDataViewCustomRenderer::GetDC()
 }
 
 wxDC *wxDataViewCustomRenderer::GetDC()


@@ -2441,15 +2504,20 @@ wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
     {
         m_renderer = (GtkCellRenderer*) gtk_cell_renderer_progress_new();
 
     {
         m_renderer = (GtkCellRenderer*) gtk_cell_renderer_progress_new();
 

-        GValue gvalue = { 0, };
-        g_value_init( &gvalue, G_TYPE_STRING );
-
-        g_value_set_string( &gvalue, wxGTK_CONV_FONT( m_label, GetOwner()->GetOwner()->GetFont() ) );
-        g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
-        g_value_unset( &gvalue );
-

         SetMode(mode);
         SetAlignment(align);
         SetMode(mode);
         SetAlignment(align);

+
+#if !wxUSE_UNICODE
+        // We can't initialize the renderer just yet because we don't have the
+        // pointer to the column that uses this renderer yet and so attempt to
+        // dereference GetOwner() to get the font that is used as a source of
+        // encoding in multibyte-to-Unicode conversion in GTKSetLabel() in
+        // non-Unicode builds would crash. So simply remember to do it later.
+        if ( !m_label.empty() )
+            m_needsToSetLabel = true;
+        else
+#endif // !wxUSE_UNICODE
+            GTKSetLabel();

     }
     else
 #endif
     }
     else
 #endif


@@ -2463,11 +2531,36 @@ wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
 {
 }
 
 {
 }
 

+void wxDataViewProgressRenderer::GTKSetLabel()
+{
+    GValue gvalue = { 0, };
+    g_value_init( &gvalue, G_TYPE_STRING );
+
+    // Take care to not use GetOwner() here if the label is empty, we can be
+    // called from ctor when GetOwner() is still NULL in this case.
+    g_value_set_string( &gvalue,
+                        m_label.empty() ? ""
+                                        : wxGTK_CONV_FONT(m_label,
+                                            GetOwner()->GetOwner()->GetFont())
+                      );
+    g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
+    g_value_unset( &gvalue );
+
+#if !wxUSE_UNICODE
+    m_needsToSetLabel = false;
+#endif // !wxUSE_UNICODE
+}
+

 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 {
 #ifdef __WXGTK26__
     if (!gtk_check_version(2,6,0))
     {
 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 {
 #ifdef __WXGTK26__
     if (!gtk_check_version(2,6,0))
     {

+#if !wxUSE_UNICODE
+        if ( m_needsToSetLabel )
+            GTKSetLabel();
+#endif // !wxUSE_UNICODE
+

         gint tmp = (long) value;
         GValue gvalue = { 0, };
         g_value_init( &gvalue, G_TYPE_INT );
         gint tmp = (long) value;
         GValue gvalue = { 0, };
         g_value_init( &gvalue, G_TYPE_INT );


@@ -3076,7 +3169,7 @@ void wxDataViewColumn::SetBitmap( const wxBitmap &bitmap )
 {
     wxDataViewColumnBase::SetBitmap( bitmap );
 
 {
     wxDataViewColumnBase::SetBitmap( bitmap );
 

-    if (bitmap.Ok())
+    if (bitmap.IsOk())

     {
         GtkImage *gtk_image = GTK_IMAGE(m_image);
 
     {
         GtkImage *gtk_image = GTK_IMAGE(m_image);
 


@@ -3107,9 +3200,9 @@ void wxDataViewColumn::SetHidden( bool hidden )
     gtk_tree_view_column_set_visible( GTK_TREE_VIEW_COLUMN(m_column), !hidden );
 }
 
     gtk_tree_view_column_set_visible( GTK_TREE_VIEW_COLUMN(m_column), !hidden );
 }
 

-void wxDataViewColumn::SetResizeable( bool resizeable )
+void wxDataViewColumn::SetResizeable( bool resizable )

 {
 {

-    gtk_tree_view_column_set_resizable( GTK_TREE_VIEW_COLUMN(m_column), resizeable );
+    gtk_tree_view_column_set_resizable( GTK_TREE_VIEW_COLUMN(m_column), resizable );

 }
 
 void wxDataViewColumn::SetAlignment( wxAlignment align )
 }
 
 void wxDataViewColumn::SetAlignment( wxAlignment align )


@@ -3280,7 +3373,7 @@ int wxGtkTreeModelChildWithPosCmp( const void* data1, const void* data2, const v
 static
 int LINKAGEMODE wxGtkTreeModelChildPtrCmp( void*** data1, void*** data2 )
 {
 static
 int LINKAGEMODE wxGtkTreeModelChildPtrCmp( void*** data1, void*** data2 )
 {

-    return gs_internal->GetDataViewModel()->Compare( **data1, **data2,
+    return gs_internal->GetDataViewModel()->Compare( wxDataViewItem(**data1), wxDataViewItem(**data2),

         gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
 }
 
         gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
 }
 


@@ -3524,6 +3617,7 @@ gboolean wxDataViewCtrlInternal::row_draggable( GtkTreeDragSource *WXUNUSED(drag
     GtkTreePath *path )
 {
     delete m_dragDataObject;
     GtkTreePath *path )
 {
     delete m_dragDataObject;

+    m_dragDataObject = NULL;

 
     wxDataViewItem item(GetOwner()->GTKPathToItem(path));
     if ( !item )
 
     wxDataViewItem item(GetOwner()->GTKPathToItem(path));
     if ( !item )


@@ -3565,21 +3659,22 @@ gboolean wxDataViewCtrlInternal::drag_data_get( GtkTreeDragSource *WXUNUSED(drag
     if ( !item )
         return FALSE;
 
     if ( !item )
         return FALSE;
 

-    if (!m_dragDataObject->IsSupported( selection_data->target ))
+    GdkAtom target = gtk_selection_data_get_target(selection_data);
+    if (!m_dragDataObject->IsSupported(target))

         return FALSE;
 
         return FALSE;
 

-    size_t size = m_dragDataObject->GetDataSize( selection_data->target );
+    size_t size = m_dragDataObject->GetDataSize(target);

     if (size == 0)
         return FALSE;
 
     void *buf = malloc( size );
 
     gboolean res = FALSE;
     if (size == 0)
         return FALSE;
 
     void *buf = malloc( size );
 
     gboolean res = FALSE;

-    if (m_dragDataObject->GetDataHere( selection_data->target, buf ))
+    if (m_dragDataObject->GetDataHere(target, buf))

     {
         res = TRUE;
 
     {
         res = TRUE;
 

-        gtk_selection_data_set( selection_data, selection_data->target,
+        gtk_selection_data_set(selection_data, target,

             8, (const guchar*) buf, size );
     }
 
             8, (const guchar*) buf, size );
     }
 


@@ -3601,9 +3696,9 @@ wxDataViewCtrlInternal::drag_data_received(GtkTreeDragDest *WXUNUSED(drag_dest),
     event.SetEventObject( m_owner );
     event.SetItem( item );
     event.SetModel( m_wx_model );
     event.SetEventObject( m_owner );
     event.SetItem( item );
     event.SetModel( m_wx_model );

-    event.SetDataFormat( selection_data->target );
-    event.SetDataSize( selection_data->length );
-    event.SetDataBuffer( selection_data->data );
+    event.SetDataFormat(gtk_selection_data_get_target(selection_data));
+    event.SetDataSize(gtk_selection_data_get_length(selection_data));
+    event.SetDataBuffer(const_cast<guchar*>(gtk_selection_data_get_data(selection_data)));

     if (!m_owner->HandleWindowEvent( event ))
         return FALSE;
 
     if (!m_owner->HandleWindowEvent( event ))
         return FALSE;
 


@@ -3626,7 +3721,7 @@ wxDataViewCtrlInternal::row_drop_possible(GtkTreeDragDest *WXUNUSED(drag_dest),
     event.SetEventObject( m_owner );
     event.SetItem( item );
     event.SetModel( m_wx_model );
     event.SetEventObject( m_owner );
     event.SetItem( item );
     event.SetModel( m_wx_model );

-    event.SetDataFormat( selection_data->target );
+    event.SetDataFormat(gtk_selection_data_get_target(selection_data));

     if (!m_owner->HandleWindowEvent( event ))
         return FALSE;
 
     if (!m_owner->HandleWindowEvent( event ))
         return FALSE;
 


@@ -4439,6 +4534,22 @@ IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
 
 wxDataViewCtrl::~wxDataViewCtrl()
 {
 
 wxDataViewCtrl::~wxDataViewCtrl()
 {

+    // Stop editing before destroying the control to remove any event handlers
+    // which are added when editing started: if we didn't do this, the base
+    // class dtor would assert as it checks for any leftover handlers.
+    if ( m_treeview )
+    {
+        GtkTreeViewColumn *col;
+        gtk_tree_view_get_cursor(GTK_TREE_VIEW(m_treeview), NULL, &col);
+
+        wxDataViewColumn * const wxcol = FromGTKColumn(col);
+        if ( wxcol )
+        {
+            // This won't do anything if we're not editing it
+            wxcol->GetRenderer()->CancelEditing();
+        }
+    }
+

     m_cols.Clear();
 
     delete m_internal;
     m_cols.Clear();
 
     delete m_internal;


@@ -4449,6 +4560,8 @@ void wxDataViewCtrl::Init()
     m_internal = NULL;
 
     m_cols.DeleteContents( true );
     m_internal = NULL;
 
     m_cols.DeleteContents( true );

+
+    m_uniformRowHeight = -1;

 }
 
 bool wxDataViewCtrl::Create(wxWindow *parent,
 }
 
 bool wxDataViewCtrl::Create(wxWindow *parent,


@@ -4681,10 +4794,9 @@ unsigned int wxDataViewCtrl::GetColumnCount() const
     return m_cols.GetCount();
 }
 
     return m_cols.GetCount();
 }
 

-wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
+wxDataViewColumn* wxDataViewCtrl::FromGTKColumn(GtkTreeViewColumn *gtk_col) const

 {
 {

-    GtkTreeViewColumn *gtk_col = gtk_tree_view_get_column( GTK_TREE_VIEW(m_treeview), pos );
-    if (!gtk_col)
+    if ( !gtk_col )

         return NULL;
 
     wxDataViewColumnList::const_iterator iter;
         return NULL;
 
     wxDataViewColumnList::const_iterator iter;


@@ -4697,9 +4809,18 @@ wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
         }
     }
 
         }
     }
 

+    wxFAIL_MSG( "No matching column?" );
+

     return NULL;
 }
 
     return NULL;
 }
 

+wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
+{
+    GtkTreeViewColumn *gtk_col = gtk_tree_view_get_column( GTK_TREE_VIEW(m_treeview), pos );
+
+    return FromGTKColumn(gtk_col);
+}
+

 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
 {
     gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
 {
     gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),


@@ -4727,15 +4848,11 @@ bool wxDataViewCtrl::ClearColumns()
 
 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
 {
 
 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
 {

-    GtkTreeViewColumn *gtk_column = GTK_TREE_VIEW_COLUMN(column->GetConstGtkHandle());
-
-    GList *list = gtk_tree_view_get_columns( GTK_TREE_VIEW(m_treeview) );
+    GtkTreeViewColumn *gtk_column = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());

 
 

-    gint pos = g_list_index( list, (gconstpointer)  gtk_column );
+    wxGtkList list(gtk_tree_view_get_columns(GTK_TREE_VIEW(m_treeview)));

 
 

-    g_list_free( list );
-
-    return pos;
+    return g_list_index( list, (gconstpointer)  gtk_column );

 }
 
 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
 }
 
 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const


@@ -4804,39 +4921,38 @@ void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
     gtk_tree_view_set_cursor(GTK_TREE_VIEW(m_treeview), path, NULL, FALSE);
 }
 
     gtk_tree_view_set_cursor(GTK_TREE_VIEW(m_treeview), path, NULL, FALSE);
 }
 

-wxDataViewItem wxDataViewCtrl::GetSelection() const
+void wxDataViewCtrl::StartEditor(const wxDataViewItem& item, unsigned int column)

 {
 {

-    GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
+    wxCHECK_RET( m_treeview,
+                 "Current item can't be set before creating the control." );

 
 

-    if (m_windowStyle & wxDV_MULTIPLE)
-    {
-        // Report the first one
-        GtkTreeModel *model;
-        GList *list = gtk_tree_selection_get_selected_rows( selection, &model );
+    // We need to make sure the model knows about this item or the path would
+    // be invalid and gtk_tree_view_set_cursor() would silently do nothing.
+    ExpandAncestors(item);
+    
+    wxDataViewColumn *dvcolumn = GetColumn(column);
+    wxASSERT_MSG(dvcolumn, "Could not retrieve column");
+    GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(dvcolumn->GetGtkHandle());

 
 

-        if (list)
-        {
-            GtkTreePath *path = (GtkTreePath*) list->data;
-            wxDataViewItem item(GTKPathToItem(path));
+    // We also need to preserve the existing selection from changing.
+    // Unfortunately the only way to do it seems to use our own selection
+    // function and forbid any selection changes during set cursor call.
+    wxGtkTreeSelectionLock
+        lock(gtk_tree_view_get_selection(GTK_TREE_VIEW(m_treeview)));

 
 

-            // delete list
-            g_list_foreach( list, (GFunc) gtk_tree_path_free, NULL );
-            g_list_free( list );
+    // Do move the cursor now.
+    GtkTreeIter iter;
+    iter.user_data = item.GetID();
+    wxGtkTreePath path(m_internal->get_path( &iter ));

 
 

-            return item;
-        }
-    }
-    else
-    {
-        GtkTreeIter iter;
-        if (gtk_tree_selection_get_selected( selection, NULL, &iter ))
-        {
-            wxDataViewItem item( iter.user_data );
-            return item;
-        }
-    }
+    gtk_tree_view_set_cursor(GTK_TREE_VIEW(m_treeview), path, gcolumn, TRUE);
+}

 
 

-    return wxDataViewItem(0);
+int wxDataViewCtrl::GetSelectedItemsCount() const
+{
+    GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
+
+    return gtk_tree_selection_count_selected_rows(selection);

 }
 
 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
 }
 
 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const


@@ -4847,38 +4963,25 @@ int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
     if (HasFlag(wxDV_MULTIPLE))
     {
         GtkTreeModel *model;
     if (HasFlag(wxDV_MULTIPLE))
     {
         GtkTreeModel *model;

-        GList *list = gtk_tree_selection_get_selected_rows( selection, &model );
+        wxGtkTreePathList list(gtk_tree_selection_get_selected_rows(selection, &model));

 
 

-        int count = 0;
-        while (list)
+        for ( GList* current = list; current; current = g_list_next(current) )

         {
         {

-            GtkTreePath *path = (GtkTreePath*) list->data;
+            GtkTreePath *path = (GtkTreePath*) current->data;

 
             sel.Add(GTKPathToItem(path));
 
             sel.Add(GTKPathToItem(path));

-
-            list = g_list_next( list );
-            count++;

         }
         }

-
-        // delete list
-        g_list_foreach( list, (GFunc) gtk_tree_path_free, NULL );
-        g_list_free( list );
-
-        return count;

     }
     else
     {
     }
     else
     {

-        GtkTreeModel *model;

         GtkTreeIter iter;
         GtkTreeIter iter;

-        gboolean has_selection = gtk_tree_selection_get_selected( selection, &model, &iter );
-        if (has_selection)
+        if (gtk_tree_selection_get_selected( selection, NULL, &iter ))

         {
         {

-            sel.Add( wxDataViewItem( (void*) iter.user_data) );
-            return 1;
+            sel.Add( wxDataViewItem(iter.user_data) );

         }
     }
 
         }
     }
 

-    return 0;
+    return sel.size();

 }
 
 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
 }
 
 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )


@@ -5044,6 +5147,12 @@ wxDataViewCtrl::GetItemRect(const wxDataViewItem& WXUNUSED(item),
     return wxRect();
 }
 
     return wxRect();
 }
 

+bool wxDataViewCtrl::SetRowHeight(int rowHeight)
+{
+    m_uniformRowHeight = rowHeight;
+    return true;
+}
+

 void wxDataViewCtrl::DoSetExpanderColumn()
 {
     gtk_tree_view_set_expander_column( GTK_TREE_VIEW(m_treeview),
 void wxDataViewCtrl::DoSetExpanderColumn()
 {
     gtk_tree_view_set_expander_column( GTK_TREE_VIEW(m_treeview),