Function draw_titled_panel 

pub fn draw_titled_panel(
    ui: &mut UiLayer,
    x: f32,
    y: f32,
    w: f32,
    h: f32,
    title: &str,
    border: BorderStyle,
    fill_color: Vec4,
    border_color: Vec4,
    title_color: Vec4,
)

Draw a labeled panel with a title in the top border.