void UpdateHighlight()
{
Gdk.Window win = this.GdkWindow;
Cairo.Context g = Gdk.CairoHelper.Create(win);
int x, y, w, h, d;
win.GetGeometry(out x, out y, out w, out h, out d);
g.Scale(w, h);
g.LineWidth = (1.0 / freqs.Length) * 0.6;
if (previousHighlight != -1)
{
/*int start=previousHighlight-1;
* int end=previousHighlight+1;
* if (start<0) start=0;
* if (end>=barStart.Length) end=barStart.Length-1;*/
g.Color = new Color(0.0, 0.0, 0.0);
//for(int i=start; i<=end; i++)
DrawBar(g, previousHighlight);
}
if (currentHighlight != -1)
{
g.Color = new Color(1.0, 0.0, 0.0);
DrawBar(g, currentHighlight);
}
}
protected override bool OnExposeEvent(Gdk.EventExpose args)
{
Gdk.Window win = args.Window;
Cairo.Context g = Gdk.CairoHelper.Create(win);
int x, y, w, h, d;
win.GetGeometry(out x, out y, out w, out h, out d);
this.HeightRequest = w / 5;
Draw(g, w, h);
return(true);
}