gtkbase.py 文件源码

def _set_background_image(self, container, image):
        themed_image = self._theme_image(image)
        img = gtk.gdk.pixbuf_new_from_file(themed_image)
        def draw_background(widget, ev):
            alloc = widget.get_allocation()
            pb = img.scale_simple(alloc.width, alloc.height,
                                  gtk.gdk.INTERP_BILINEAR)
            widget.window.draw_pixbuf(
                widget.style.bg_gc[gtk.STATE_NORMAL],
                pb, 0, 0, alloc.x, alloc.y)
            if (hasattr(widget, 'get_child') and
                    widget.get_child() is not None):
                widget.propagate_expose(widget.get_child(), ev)
            return False
        container.connect('expose_event', draw_background)