void drawHVBox(Gdk.EventExpose evnt, Gdk.Window GdkWindow, Gdk.Rectangle alloc)
{
if (VisualStyle.TabStyle == DockTabStyle.Normal)
{
Gdk.GC gc = new Gdk.GC(GdkWindow);
gc.RgbFgColor = VisualStyle.InactivePadBackgroundColor.Value;
evnt.Window.DrawRectangle(gc, true, alloc);
gc.Dispose();
Gdk.GC bgc = new Gdk.GC(GdkWindow);
var c = new HslColor(VisualStyle.PadBackgroundColor.Value);
c.L *= 0.7;
bgc.RgbFgColor = c;
evnt.Window.DrawLine(bgc, alloc.X, alloc.Y + alloc.Height - 1, alloc.X + alloc.Width - 1, alloc.Y + alloc.Height - 1);
bgc.Dispose();
}
}
protected override void OnRealized()
{
base.OnRealized ();
HslColor cLight = new HslColor (Style.Background (Gtk.StateType.Normal));
HslColor cDark = cLight;
cLight.L *= 0.9;
cDark.L *= 0.8;
}