+ m_dragDataObject = NULL;
+ m_dropDataObject = NULL;
+
+ m_dirty = false;
+
+ m_gtk_model = wxgtk_tree_model_new();
+ m_gtk_model->internal = this;
+
+ m_notifier = new wxGtkDataViewModelNotifier( wx_model, this );
+
+ wx_model->AddNotifier( m_notifier );
+
+ // g_object_unref( gtk_model ); ???
+
+ if (!m_wx_model->IsVirtualListModel())
+ InitTree();
+
+ gtk_tree_view_set_model( GTK_TREE_VIEW(m_owner->GtkGetTreeView()), GTK_TREE_MODEL(m_gtk_model) );
+}
+
+wxDataViewCtrlInternal::~wxDataViewCtrlInternal()
+{
+ m_wx_model->RemoveNotifier( m_notifier );
+
+ // remove the model from the GtkTreeView before it gets destroyed
+ gtk_tree_view_set_model( GTK_TREE_VIEW( m_owner->GtkGetTreeView() ), NULL );
+
+ g_object_unref( m_gtk_model );
+
+ delete m_dragDataObject;
+ delete m_dropDataObject;
+}
+
+void wxDataViewCtrlInternal::ScheduleRefresh()
+{
+ m_dirty = true;
+}
+
+void wxDataViewCtrlInternal::OnInternalIdle()
+{
+ if (m_dirty)
+ {
+ GtkWidget *widget = m_owner->GtkGetTreeView();
+ gtk_widget_queue_draw( widget );
+ m_dirty = false;
+ }
+}
+
+void wxDataViewCtrlInternal::InitTree()
+{
+ wxDataViewItem item;
+ m_root = new wxGtkTreeModelNode( NULL, item, this );
+
+ BuildBranch( m_root );
+}
+
+void wxDataViewCtrlInternal::BuildBranch( wxGtkTreeModelNode *node )
+{
+ if (node->GetChildCount() == 0)
+ {
+ wxDataViewItemArray children;
+ unsigned int count = m_wx_model->GetChildren( node->GetItem(), children );
+
+ unsigned int pos;
+ for (pos = 0; pos < count; pos++)
+ {
+ wxDataViewItem child = children[pos];
+
+ if (m_wx_model->IsContainer( child ))
+ node->AddNode( new wxGtkTreeModelNode( node, child, this ) );
+ else
+ node->AddLeave( child.GetID() );
+
+ // Don't send any events here
+ }
+ }
+}
+
+// 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;
+}
+
+bool wxDataViewCtrlInternal::EnableDropTarget( const wxDataFormat &format )
+{
+ wxGtkString atom_str( gdk_atom_name( format ) );
+ m_dropTargetTargetEntryTarget = wxCharBuffer( atom_str );
+
+ m_dropTargetTargetEntry.target = m_dropTargetTargetEntryTarget.data();
+ m_dropTargetTargetEntry.flags = 0;
+ m_dropTargetTargetEntry.info = static_cast<guint>(-1);
+
+ gtk_tree_view_enable_model_drag_dest( GTK_TREE_VIEW(m_owner->GtkGetTreeView() ),
+ &m_dropTargetTargetEntry, 1, (GdkDragAction) GDK_ACTION_COPY );
+
+ return true;
+}
+
+gboolean wxDataViewCtrlInternal::row_draggable( GtkTreeDragSource *WXUNUSED(drag_source),
+ GtkTreePath *path )
+{
+ delete m_dragDataObject;
+ m_dragDataObject = NULL;
+
+ wxDataViewItem item(GetOwner()->GTKPathToItem(path));
+ if ( !item )
+ return FALSE;
+
+ wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
+ event.SetEventObject( m_owner );
+ event.SetItem( item );
+ event.SetModel( m_wx_model );
+ gint x, y;
+ gtk_widget_get_pointer(m_owner->GtkGetTreeView(), &x, &y);
+ event.SetPosition(x, y);
+ if (!m_owner->HandleWindowEvent( event ))
+ return FALSE;
+
+ if (!event.IsAllowed())
+ return FALSE;
+
+ wxDataObject *obj = event.GetDataObject();
+ if (!obj)
+ return FALSE;
+
+ m_dragDataObject = obj;
+
+ return TRUE;
+}
+
+gboolean
+wxDataViewCtrlInternal::drag_data_delete(GtkTreeDragSource *WXUNUSED(drag_source),
+ GtkTreePath *WXUNUSED(path))
+{
+ return FALSE;
+}
+
+gboolean wxDataViewCtrlInternal::drag_data_get( GtkTreeDragSource *WXUNUSED(drag_source),
+ GtkTreePath *path, GtkSelectionData *selection_data )
+{
+ wxDataViewItem item(GetOwner()->GTKPathToItem(path));
+ if ( !item )
+ return FALSE;
+
+ GdkAtom target = gtk_selection_data_get_target(selection_data);
+ if (!m_dragDataObject->IsSupported(target))
+ return FALSE;
+
+ size_t size = m_dragDataObject->GetDataSize(target);
+ if (size == 0)
+ return FALSE;
+
+ void *buf = malloc( size );
+
+ gboolean res = FALSE;
+ if (m_dragDataObject->GetDataHere(target, buf))
+ {
+ res = TRUE;
+
+ gtk_selection_data_set(selection_data, target,
+ 8, (const guchar*) buf, size );
+ }
+
+ free( buf );
+
+ return res;
+}
+
+gboolean
+wxDataViewCtrlInternal::drag_data_received(GtkTreeDragDest *WXUNUSED(drag_dest),
+ GtkTreePath *path,
+ GtkSelectionData *selection_data)
+{
+ wxDataViewItem item(GetOwner()->GTKPathToItem(path));
+ if ( !item )
+ return FALSE;
+
+ wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
+ event.SetEventObject( m_owner );
+ event.SetItem( item );
+ event.SetModel( m_wx_model );
+ 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 (!event.IsAllowed())
+ return FALSE;
projects / wxWidgets.git / blobdiff