drp_type = dynamic_cast<GLtk::Dropdown *>(get_item(widgets, "drp_type"));
lbl_target = dynamic_cast<GLtk::Label *>(get_item(widgets, "lbl_target"));
ent_time = dynamic_cast<GLtk::Entry *>(get_item(widgets, "ent_time"));
drp_type = dynamic_cast<GLtk::Dropdown *>(get_item(widgets, "drp_type"));
lbl_target = dynamic_cast<GLtk::Label *>(get_item(widgets, "lbl_target"));
ent_time = dynamic_cast<GLtk::Entry *>(get_item(widgets, "ent_time"));