add: WMUnmapWidget(strdata->widget);
context: static void endESCellEdit(WMTableColumnDelegate *self,			WMTableColumn *column, int row){    EnumSelectorData *strdata = (EnumSelectorData*)self->data;        WMRect rect = WMTableViewRectForCell(strdata->table, column, row);    int option;        option = WMGetPopUpButtonSelectedItem(strdata->widget);    WMSetTableViewDataForCell(strdata->table, column, row, (void*)option);}