import gtk
import cairo
import gobject

class StarScale(gtk.Widget):
    def __init__(self, stars=0.0):
        gtk.Widget.__init__(self)

        self.stars = stars
        self.star_size = 16
        self.star_space = 5

        self.star_surface = cairo.ImageSurface.create_from_png("/home/patrick/Projects/Fusion/config/simple-ccsm/images/star.png")
        
        self.set_flags(self.flags() | gtk.NO_WINDOW)

    def set_value(self, stars):
        self.stars = stars
        self.queue_resize()

    def get_value(self):
        return self.stars
    
    def do_size_request(self, req):
        req.height = self.star_size
        req.width = (self.star_size+self.star_space)*self.stars 

    def do_expose_event(self, event):
        cr = self.window.cairo_create()  

        x = self.allocation.x
        y = self.allocation.y
        i = self.stars
        while i > 0:
            size = 1.0
            if i < 1:
                size = i
            cr.set_source_surface(self.star_surface, x, 0)
            cr.rectangle(x, y, self.star_size*size, self.star_size)
            cr.fill()
            x += self.star_size + self.star_space
            i -= 1

gobject.type_register(StarScale)

win = gtk.Window()
notebook = gtk.Notebook()
frame = gtk.VBox()

star1 = StarScale()
star1.set_value(5)
star2 = StarScale()
star2.set_value(5)

notebook.append_page(star2, gtk.Label("Test"))

frame.pack_start(star1)
frame.pack_start(notebook)

win.add(frame)
win.show_all()
gtk.main()