- if ( !s_other_button )
- {
- // Get the dummy tree widget, give it a column, and then use the
- // widget in the column header for the rendering code.
- GtkWidget* treewidget = GetTreeWidget();
-
- GtkTreeViewColumn *column = gtk_tree_view_column_new();
- gtk_tree_view_append_column(GTK_TREE_VIEW(treewidget), column);
- s_first_button = column->button;
-
- column = gtk_tree_view_column_new();
- gtk_tree_view_append_column(GTK_TREE_VIEW(treewidget), column);
- s_other_button = column->button;
-
- column = gtk_tree_view_column_new();
- gtk_tree_view_append_column(GTK_TREE_VIEW(treewidget), column);
- s_last_button = column->button;
- }