fn draw_clear(cr: &cairo::Context, w: f64, h: f64)
{
   use cairo::{FontSlant, FontWeight};

   // set up for text
   cr.select_font_face("Sans", FontSlant::Normal, FontWeight::Normal);
   cr.set_font_size(14.0);

   // clear view
   cr.set_source_rgb(0.0, 0.0, 0.0);
   cr.rectangle(0.0, 0.0, w, h);
   cr.fill();
}

fn draw_map_none(cr: &cairo::Context, im: &gdk_pixbuf::Pixbuf, w: f64, h: f64)
{
   let im_w = f64::from(im.get_width());
   let im_h = f64::from(im.get_height());

   // draw middle image
   cr.set_source_pixbuf(im, w / 2.0 - im_w / 2.0, h / 2.0 - im_h / 2.0);
   cr.paint();

   // draw top border (these are separate so the bottom draws over the top)
   cr.set_source_rgb(0.28, 0.0, 0.0);
   cr.rectangle(0.0, 0.0, w, 18.0);
   cr.fill();

   // draw top text
   cr.set_source_rgb(1.0, 0.0, 0.0);
   cr.move_to(4.0, 14.0);
   cr.show_text("Map Required To Proceed");

   // draw bottom border
   cr.set_source_rgb(0.28, 0.0, 0.0);
   cr.rectangle(0.0, h - 18.0, w, h);
   cr.fill();

   // draw bottom text
   cr.set_source_rgb(1.0, 0.0, 0.0);
   cr.move_to(4.0, h - 4.0);
   cr.show_text("CAS.qterm//CyberAcme Systems Inc.");
}

fn mk_draw_area(b: &gtk::Builder)
{
   let area: gtk::DrawingArea = get_obj(b, "draw-area");

   let ax: gtk::Adjustment = get_obj(b, "adj-map-horz");
   let ay: gtk::Adjustment = get_obj(b, "adj-map-vert");

   let im = load_img("/net/greyserv/maraiah/tycho/tycho1");

   area.connect_draw(move |area, cr| {
      let w = f64::from(area.get_allocated_width());
      let h = f64::from(area.get_allocated_height());

      ax.set_lower(0.0);
      ax.set_upper(w);

      ay.set_lower(0.0);
      ay.set_upper(h);

      draw_clear(&cr, w, h);
      draw_map_none(&cr, &im, w, h);

      Inhibit(true)
   });
}

// EOF