Banshee.Widgets.StreamPositionLabel.OnExposeEvent C# (CSharp) Method

        protected override bool OnExposeEvent (Gdk.EventExpose evnt)
        {
            int bar_width = (int)((double)Allocation.Width * buffering_progress);
            bool render_bar = false;

            if (bar_width > 0 && IsBuffering) {
                bar_width -= 2 * Style.XThickness;
                render_bar = true;

                Gtk.Style.PaintBox (Style, GdkWindow, StateType.Normal, ShadowType.In, evnt.Area, this, null,
                    Allocation.X, Allocation.Y, Allocation.Width, Allocation.Height);

                if (bar_width > 0) {
                    Gtk.Style.PaintBox (Style, GdkWindow, StateType.Selected, ShadowType.EtchedOut,
                        evnt.Area, this, "bar",
                        Allocation.X + Style.XThickness, Allocation.Y + Style.YThickness,
                        bar_width, Allocation.Height - 2 * Style.YThickness);
                }
            }

            int width, height;
            layout.GetPixelSize (out width, out height);

            int x = Allocation.X + ((Allocation.Width - width) / 2);
            int y = Allocation.Y + ((Allocation.Height - height) / 2);
            Gdk.Rectangle rect = evnt.Area;

            if (render_bar) {
                width = bar_width + Style.XThickness;
                rect = new Gdk.Rectangle (evnt.Area.X, evnt.Area.Y, width, evnt.Area.Height);
                Gtk.Style.PaintLayout (Style, GdkWindow, StateType.Selected, true, rect, this, null, x, y, layout);

                rect.X += rect.Width;
                rect.Width = evnt.Area.Width - rect.Width;
            }

            Gtk.Style.PaintLayout (Style, GdkWindow, StateType.Normal, false, rect, this, null, x, y, layout);

            return true;
        }