gboolean iter_parent( GtkTreeIter *iter, GtkTreeIter *child );
// dnd iface
+
+ bool EnableDragSource( const wxDataFormat &format );
+
gboolean row_draggable( GtkTreeDragSource *drag_source, GtkTreePath *path );
gboolean drag_data_delete( GtkTreeDragSource *drag_source, GtkTreePath* path );
gboolean drag_data_get( GtkTreeDragSource *drag_source, GtkTreePath *path,
GtkSortType m_sort_order;
wxDataViewColumn *m_dataview_sort_column;
int m_sort_column;
+ GtkTargetEntry m_dragSourceTargetEntry;
+ wxCharBuffer m_dragSourceTargetEntryTarget;
};
~wxGtkTreeModelNode()
{
- size_t count = m_children.GetCount();
+ size_t count = m_nodes.GetCount();
size_t i;
for (i = 0; i < count; i++)
{
wxString wxtype = wxtree_model->internal->GetDataViewModel()->GetColumnType( (unsigned int) index );
+ wxPrintf( "get_column_type %s\n", wxtype );
+
if (wxtype == wxT("string"))
gtype = G_TYPE_STRING;
else
{
GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
wxDataViewCustomRenderer *cell = wxrenderer->cell;
+
+ // Renderer doesn't support in-place editing
if (!cell->HasEditorCtrl())
return NULL;
+ // An in-place editing control is still around
+ if (cell->GetEditorCtrl())
+ return NULL;
+
GdkRectangle rect;
gtk_wx_cell_renderer_get_size (renderer, widget, cell_area,
&rect.x,
rect.y += cell_area->y;
rect.width -= renderer->xpad * 2;
rect.height -= renderer->ypad * 2;
-
+
GdkRectangle dummy;
if (gdk_rectangle_intersect (expose_area, &rect, &dummy))
{
void wxDataViewRenderer::GtkUpdateAlignment()
{
int align = m_alignment;
-
+
// query alignment from column ?
if (align == -1)
{
// None there yet
if (GetOwner() == NULL)
return;
-
+
align = GetOwner()->GetAlignment();
align |= wxALIGN_CENTRE_VERTICAL;
}
-
+
// horizontal alignment:
gfloat xalign = 0.0;
static void wxGtkTextRendererEditedCallback( GtkCellRendererText *WXUNUSED(renderer),
gchar *arg1, gchar *arg2, gpointer user_data )
{
- wxDataViewTextRenderer *cell = (wxDataViewTextRenderer*) user_data;
+ wxDataViewRenderer *cell = (wxDataViewRenderer*) user_data;
wxString tmp = wxGTK_CONV_BACK_FONT(arg2, cell->GetOwner()->GetOwner()->GetFont());
wxVariant value = tmp;
GValue gvalue = { 0, };
g_value_init( &gvalue, G_TYPE_STRING );
g_object_get_property( G_OBJECT(m_renderer), "text", &gvalue );
- wxString tmp = wxGTK_CONV_BACK_FONT( g_value_get_string( &gvalue ), wx_const_cast(wxDataViewTextRenderer*, this)->GetOwner()->GetOwner()->GetFont() );
+ wxString tmp = wxGTK_CONV_BACK_FONT( g_value_get_string( &gvalue ), const_cast<wxDataViewTextRenderer*>(this)->GetOwner()->GetOwner()->GetFont() );
g_value_unset( &gvalue );
value = tmp;
return wxSize(40,12);
}
+// -------------------------------------
+// wxDataViewChoiceRenderer
+// -------------------------------------
+
+wxDataViewChoiceRenderer::wxDataViewChoiceRenderer( const wxArrayString &choices,
+ wxDataViewCellMode mode, int alignment ) :
+ wxDataViewCustomRenderer( "string", mode, alignment, true )
+{
+ m_choices = choices;
+
+#ifdef __WXGTK26__
+ if (!gtk_check_version(2,6,0))
+ {
+ m_renderer = (GtkCellRenderer*) gtk_cell_renderer_combo_new();
+
+ GtkListStore *store = gtk_list_store_new( 1, G_TYPE_STRING );
+ size_t n;
+ for (n = 0; n < m_choices.GetCount(); n++)
+ gtk_list_store_insert_with_values( store, NULL, n, 0, m_choices[n].utf8_str(), -1 );
+
+ g_object_set (m_renderer,
+ "model", store,
+ "text-column", 0,
+ "has-entry", FALSE,
+ NULL);
+
+ bool editable = (mode & wxDATAVIEW_CELL_EDITABLE);
+ g_object_set (m_renderer, "editable", editable, NULL);
+
+ SetAlignment(alignment);
+
+ g_signal_connect_after( m_renderer, "edited", G_CALLBACK(wxGtkTextRendererEditedCallback), this );
+
+ GtkInitHandlers();
+ }
+ else
+#endif
+ {
+ // Use custom cell code
+ wxDataViewCustomRenderer::Init(mode, alignment);
+ }
+}
+
+bool wxDataViewChoiceRenderer::Render( wxRect rect, wxDC *dc, int state )
+{
+ RenderText( m_data, 0, rect, dc, state );
+ return true;
+}
+
+wxSize wxDataViewChoiceRenderer::GetSize() const
+{
+ return wxSize(70,20);
+}
+
+bool wxDataViewChoiceRenderer::SetValue( const wxVariant &value )
+{
+
+#ifdef __WXGTK26__
+ if (!gtk_check_version(2,6,0))
+ {
+ GValue gvalue = { 0, };
+ g_value_init( &gvalue, G_TYPE_STRING );
+ g_value_set_string( &gvalue, wxGTK_CONV_FONT( value.GetString(), GetOwner()->GetOwner()->GetFont() ) );
+ g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
+ g_value_unset( &gvalue );
+ }
+ else
+#endif
+ m_data = value.GetString();
+
+ return true;
+}
+
+bool wxDataViewChoiceRenderer::GetValue( wxVariant &value ) const
+{
+#ifdef __WXGTK26__
+ if (!gtk_check_version(2,6,0))
+ {
+ GValue gvalue = { 0, };
+ g_value_init( &gvalue, G_TYPE_STRING );
+ g_object_get_property( G_OBJECT(m_renderer), "text", &gvalue );
+ wxString temp = wxGTK_CONV_BACK_FONT( g_value_get_string( &gvalue ), const_cast<wxDataViewTextRenderer*>(this)->GetOwner()->GetOwner()->GetFont() );
+ g_value_unset( &gvalue );
+ value = temp;
+ wxPrintf( "temp %s\n", temp );
+ }
+ else
+#endif
+ value = m_data;
+
+ return true;
+}
+
+void wxDataViewChoiceRenderer::SetAlignment( int align )
+{
+ wxDataViewCustomRenderer::SetAlignment(align);
+
+ if (gtk_check_version(2,10,0))
+ return;
+
+ // horizontal alignment:
+ PangoAlignment pangoAlign = PANGO_ALIGN_LEFT;
+ if (align & wxALIGN_RIGHT)
+ pangoAlign = PANGO_ALIGN_RIGHT;
+ else if (align & wxALIGN_CENTER_HORIZONTAL)
+ pangoAlign = PANGO_ALIGN_CENTER;
+
+ GValue gvalue = { 0, };
+ g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );
+ g_value_set_enum( &gvalue, pangoAlign );
+ g_object_set_property( G_OBJECT(m_renderer), "alignment", &gvalue );
+ g_value_unset( &gvalue );
+}
+
// ---------------------------------------------------------
// wxDataViewDateRenderer
// ---------------------------------------------------------
}
-IMPLEMENT_CLASS(wxDataViewColumn, wxDataViewColumnBase)
-
#include <wx/listimpl.cpp>
WX_DEFINE_LIST(wxDataViewColumnList)
wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
unsigned int model_column, int width,
- wxAlignment align, int flags ) :
- wxDataViewColumnBase( title, cell, model_column, width, align, flags )
+ wxAlignment align, int flags )
+ : wxDataViewColumnBase( cell, model_column )
{
Init( align, flags, width );
- gtk_tree_view_column_set_clickable( GTK_TREE_VIEW_COLUMN(m_column), TRUE );
SetTitle( title );
}
wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
unsigned int model_column, int width,
- wxAlignment align, int flags ) :
- wxDataViewColumnBase( bitmap, cell, model_column, width, align, flags )
+ wxAlignment align, int flags )
+ : wxDataViewColumnBase( bitmap, cell, model_column )
{
Init( align, flags, width );
SetWidth( width );
+ // Create container for icon and label
+ GtkWidget *box = gtk_hbox_new( FALSE, 1 );
+ gtk_widget_show( box );
+ // gtk_container_set_border_width((GtkContainer*)box, 2);
+ m_image = gtk_image_new();
+ gtk_box_pack_start(GTK_BOX(box), m_image, FALSE, FALSE, 1);
+ m_label = gtk_label_new("");
+ gtk_box_pack_end( GTK_BOX(box), GTK_WIDGET(m_label), FALSE, FALSE, 1 );
+ gtk_tree_view_column_set_widget( column, box );
+
gtk_tree_view_column_pack_end( column, renderer, TRUE );
gtk_tree_view_column_set_cell_data_func( column, renderer,
wxGtkTreeCellDataFunc, (gpointer) GetRenderer(), NULL );
}
-wxDataViewColumn::~wxDataViewColumn()
-{
-}
-
void wxDataViewColumn::OnInternalIdle()
{
if (m_isConnected)
void wxDataViewColumn::SetTitle( const wxString &title )
{
- GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
-
- if (m_isConnected)
- {
- // disconnect before column->button gets recreated
- g_signal_handlers_disconnect_by_func( column->button,
- (GtkWidget*) gtk_dataview_header_button_press_callback, this);
-
- m_isConnected = false;
- }
-
- // FIXME: can it really happen that we don't have the owner here??
wxDataViewCtrl *ctrl = GetOwner();
- gtk_tree_view_column_set_title( column, ctrl ? wxGTK_CONV_FONT(title, ctrl->GetFont())
+ gtk_label_set_text( GTK_LABEL(m_label), ctrl ? wxGTK_CONV_FONT(title, ctrl->GetFont())
: wxGTK_CONV_SYS(title) );
-
- gtk_tree_view_column_set_widget( column, NULL );
+ if (title.empty())
+ gtk_widget_hide( m_label );
+ else
+ gtk_widget_show( m_label );
}
wxString wxDataViewColumn::GetTitle() const
{
- const gchar *str = gtk_tree_view_column_get_title( GTK_TREE_VIEW_COLUMN(m_column) );
- return wxConvFileName->cMB2WX(str);
+ return wxGTK_CONV_BACK_FONT(
+ gtk_label_get_text( GTK_LABEL(m_label) ),
+ GetOwner()->GetFont()
+ );
}
void wxDataViewColumn::SetBitmap( const wxBitmap &bitmap )
{
wxDataViewColumnBase::SetBitmap( bitmap );
- GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
if (bitmap.Ok())
{
- GtkImage *gtk_image = GTK_IMAGE( gtk_image_new() );
+ GtkImage *gtk_image = GTK_IMAGE(m_image);
- GdkBitmap *mask = (GdkBitmap *) NULL;
+ GdkBitmap *mask = NULL;
if (bitmap.GetMask())
mask = bitmap.GetMask()->GetBitmap();
gtk_image_set_from_pixmap(GTK_IMAGE(gtk_image),
bitmap.GetPixmap(), mask);
}
- gtk_widget_show( GTK_WIDGET(gtk_image) );
-
- gtk_tree_view_column_set_widget( column, GTK_WIDGET(gtk_image) );
+ gtk_widget_show( m_image );
}
else
{
- gtk_tree_view_column_set_widget( column, NULL );
+ gtk_widget_hide( m_image );
}
}
xalign = 0.5;
gtk_tree_view_column_set_alignment( column, xalign );
-
+
if (m_renderer && m_renderer->GetAlignment() == -1)
m_renderer->GtkUpdateAlignment();
}
{
GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
- if (sortable)
+ if ( sortable )
{
gtk_tree_view_column_set_sort_column_id( column, GetModelColumn() );
}
{
gtk_tree_view_column_set_sort_column_id( column, -1 );
gtk_tree_view_column_set_sort_indicator( column, FALSE );
+ gtk_tree_view_column_set_clickable( column, FALSE );
}
}
bool wxDataViewColumn::IsSortable() const
{
GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
- return (gtk_tree_view_column_get_sort_column_id( column ) != -1);
+ return gtk_tree_view_column_get_clickable( column );
+}
+
+void wxDataViewColumn::SetAsSortKey( bool WXUNUSED(sort) )
+{
+ // it might not make sense to have this function in wxHeaderColumn at
+ // all in fact, changing of the sort order should only be done using the
+ // associated control API
+ wxFAIL_MSG( "not implemented" );
+}
+
+bool wxDataViewColumn::IsSortKey() const
+{
+ GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
+ return gtk_tree_view_column_get_sort_indicator( column );
}
bool wxDataViewColumn::IsResizeable() const
// GTK+ dnd iface
+bool wxDataViewCtrlInternal::EnableDragSource( const wxDataFormat &format )
+{
+ wxGtkString atom_str( gdk_atom_name( format ) );
+ m_dragSourceTargetEntryTarget = wxCharBuffer( atom_str );
+
+ m_dragSourceTargetEntry.target = m_dragSourceTargetEntryTarget.data();
+ m_dragSourceTargetEntry.flags = 0;
+ m_dragSourceTargetEntry.info = static_cast<guint>(-1);
+
+ gtk_tree_view_enable_model_drag_source( GTK_TREE_VIEW(m_owner->GtkGetTreeView() ),
+ GDK_BUTTON1_MASK, &m_dragSourceTargetEntry, 1, (GdkDragAction) GDK_ACTION_COPY );
+
+ return true;
+}
+
gboolean wxDataViewCtrlInternal::row_draggable( GtkTreeDragSource *WXUNUSED(drag_source),
GtkTreePath *path )
{
GtkTreeIter iter;
if (!get_iter( &iter, path )) return FALSE;
-
wxDataViewItem item( (void*) iter.user_data );
- return m_wx_model->IsDraggable( item );
+ wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DRAGGABLE, m_owner->GetId() );
+ event.SetItem( item );
+ event.SetModel( m_wx_model );
+ m_owner->HandleWindowEvent( event );
+
+ return event.IsDraggable();
}
gboolean
{
GtkTreeIter iter;
if (!get_iter( &iter, path )) return FALSE;
-
wxDataViewItem item( (void*) iter.user_data );
- wxDataFormat format( selection_data->target );
-
- size_t size = m_wx_model->GetDragDataSize( item, format );
- if (size == 0) return FALSE;
+ wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_GET_DRAG_DATA_SIZE, m_owner->GetId() );
+ event.SetItem( item );
+ event.SetModel( m_wx_model );
+ event.SetDataFormat( selection_data->target );
+ m_owner->HandleWindowEvent( event );
+ if (event.GetDragDataSize() < 1) return FALSE;
+ size_t size = (size_t) event.GetDragDataSize();
void *data = malloc( size );
- m_wx_model->GetDragData( item, format, data, size );
-
- gtk_selection_data_set( selection_data, selection_data->target,
- 8, (const guchar*) data, size );
+ event.SetEventType( wxEVT_COMMAND_DATAVIEW_ITEM_GET_DRAG_DATA );
+ event.SetDragDataBuffer( data );
+ gboolean res = FALSE;
+ if (m_owner->HandleWindowEvent( event ))
+ {
+ gtk_selection_data_set( selection_data, selection_data->target,
+ 8, (const guchar*) data, size );
+ res = TRUE;
+ }
free( data );
- return TRUE;
+ return res;
}
gboolean
// wxDataViewCtrl
//-----------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-// InsertChild for wxDataViewCtrl
-//-----------------------------------------------------------------------------
-
-static void wxInsertChildInDataViewCtrl( wxWindowGTK* parent, wxWindowGTK* child )
+void wxDataViewCtrl::AddChildGTK(wxWindowGTK* child)
{
- wxDataViewCtrl * dvc = (wxDataViewCtrl*) parent;
- GtkWidget *treeview = dvc->GtkGetTreeView();
+ GtkWidget* treeview = GtkGetTreeView();
// Insert widget in GtkTreeView
if (GTK_WIDGET_REALIZED(treeview))
if (m_notifier)
GetModel()->RemoveNotifier( m_notifier );
+ m_cols.Clear();
+
// remove the model from the GtkTreeView before it gets destroyed by the
// wxDataViewCtrlBase's dtor
gtk_tree_view_set_model( GTK_TREE_VIEW(m_treeview), NULL );
{
m_notifier = NULL;
m_internal = NULL;
-}
-static GtkTargetEntry gs_target;
+ m_cols.DeleteContents( true );
+}
bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
const wxPoint& pos, const wxSize& size,
return false;
}
- m_insertCallback = wxInsertChildInDataViewCtrl;
-
m_widget = gtk_scrolled_window_new (NULL, NULL);
+ g_object_ref(m_widget);
GtkScrolledWindowSetBorder(m_widget, style);
g_signal_connect (m_treeview, "size_allocate",
G_CALLBACK (gtk_dataviewctrl_size_callback), this);
- gs_target.target = const_cast<char *>("UTF8_STRING");
- gs_target.flags = 0;
- gs_target.info = static_cast<guint>(-1);
- gtk_tree_view_enable_model_drag_source( GTK_TREE_VIEW(m_treeview),
- GDK_BUTTON1_MASK, &gs_target, 1, (GdkDragAction) GDK_ACTION_COPY );
-
#ifdef __WXGTK26__
if (!gtk_check_version(2,6,0))
- gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), TRUE );
+ {
+ bool fixed = (style & wxDV_VARIABLE_LINE_HEIGHT) == 0;
+ gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), fixed );
+ }
#endif
if (style & wxDV_MULTIPLE)
if (!wxDataViewCtrlBase::AssociateModel( model ))
return false;
+#ifdef __WXGTK26__
+ if (!gtk_check_version(2,6,0))
+ {
+ bool fixed = (((GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT) == 0) || (model->IsVirtualListModel()));
+ gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), fixed );
+ }
+#endif
+
GtkWxTreeModel *gtk_model = wxgtk_tree_model_new();
m_internal = new wxDataViewCtrlInternal( this, model, gtk_model );
gtk_model->internal = m_internal;
return true;
}
+bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
+{
+ return m_internal->EnableDragSource( format );
+}
+
bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
{
if (!wxDataViewCtrlBase::AppendColumn(col))
return true;
}
+bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
+{
+ if (!wxDataViewCtrlBase::InsertColumn(pos,col))
+ return false;
+
+ m_cols.Insert( pos, col );
+
+#ifdef __WXGTK26__
+ if (!gtk_check_version(2,6,0))
+ {
+ if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
+ GTK_TREE_VIEW_COLUMN_FIXED)
+ gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), FALSE );
+ }
+#endif
+
+ gtk_tree_view_insert_column( GTK_TREE_VIEW(m_treeview),
+ GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()), pos );
+
+ return true;
+}
+
unsigned int wxDataViewCtrl::GetColumnCount() const
{
return m_cols.GetCount();
return NULL;
wxDataViewColumnList::const_iterator iter;
- for (iter = m_cols.begin(); iter != m_cols.end(); iter++)
+ for (iter = m_cols.begin(); iter != m_cols.end(); ++iter)
{
wxDataViewColumn *col = *iter;
if (GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) == gtk_col)
gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
GTK_TREE_VIEW_COLUMN(column->GetGtkHandle()) );
- m_cols.remove( column );
-
- delete column;
+ m_cols.DeleteObject( column );
return true;
}
bool wxDataViewCtrl::ClearColumns()
{
wxDataViewColumnList::iterator iter;
- for (iter = m_cols.begin(); iter != m_cols.end(); iter++)
+ for (iter = m_cols.begin(); iter != m_cols.end(); ++iter)
{
wxDataViewColumn *col = *iter;
gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) );
}
- m_cols.clear();
+ m_cols.Clear();
return true;
}
gtk_tree_path_free( path );
}
+bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
+{
+ GtkTreeIter iter;
+ iter.user_data = item.GetID();
+ GtkTreePath *path = m_internal->get_path( &iter );
+ bool res = gtk_tree_view_row_expanded( GTK_TREE_VIEW(m_treeview), path );
+ gtk_tree_path_free( path );
+
+ return res;
+}
+
wxDataViewItem wxDataViewCtrl::GetSelection() const
{
GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
gtk_tree_selection_unselect_all( selection );
+ wxDataViewItem last_parent;
+
size_t i;
for (i = 0; i < sel.GetCount(); i++)
{
+ wxDataViewItem item = sel[i];
+ wxDataViewItem parent = GetModel()->GetParent( item );
+ if (parent)
+ {
+ if (parent != last_parent)
+ ExpandAncestors(item);
+ }
+ last_parent = parent;
+
GtkTreeIter iter;
- iter.user_data = (gpointer) sel[i].GetID();
+ iter.stamp = m_internal->GetGtkModel()->stamp;
+ iter.user_data = (gpointer) item.GetID();
gtk_tree_selection_select_iter( selection, &iter );
}
void wxDataViewCtrl::Select( const wxDataViewItem & item )
{
+ ExpandAncestors(item);
+
GtkDisableSelectionEvents();
GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
GtkTreeIter iter;
+ iter.stamp = m_internal->GetGtkModel()->stamp;
iter.user_data = (gpointer) item.GetID();
gtk_tree_selection_select_iter( selection, &iter );
GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
GtkTreeIter iter;
+ iter.stamp = m_internal->GetGtkModel()->stamp;
iter.user_data = (gpointer) item.GetID();
gtk_tree_selection_unselect_iter( selection, &iter );
GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
GtkTreeIter iter;
+ iter.stamp = m_internal->GetGtkModel()->stamp;
iter.user_data = (gpointer) item.GetID();
return gtk_tree_selection_iter_is_selected( selection, &iter );
void wxDataViewCtrl::EnsureVisible(const wxDataViewItem& item,
const wxDataViewColumn *WXUNUSED(column))
{
+ ExpandAncestors(item);
+
GtkTreeIter iter;
iter.user_data = (gpointer) item.GetID();
GtkTreePath *path = m_internal->get_path( &iter );