__init__.py 文件源码

def _apply_css(config):
        if OSDWindow.css_provider:
            Gtk.StyleContext.remove_provider_for_screen(
                Gdk.Screen.get_default(), OSDWindow.css_provider)

        colors = {}
        for x in config['osk_colors'] : colors["osk_%s" % (x,)] = config['osk_colors'][x]
        for x in config['osd_colors'] : colors[x] = config['osd_colors'][x]
        colors = OSDCssMagic(colors)
        try:
            css_file = os.path.join(get_share_path(), "osd_styles", config["osd_style"])
            css = file(css_file, "r").read()
            if ((Gtk.get_major_version(), Gtk.get_minor_version()) > (3, 20)):
                css += OSDWindow.CSS_3_20
            OSDWindow.css_provider = Gtk.CssProvider()
            OSDWindow.css_provider.load_from_data((css % colors).encode("utf-8"))
            Gtk.StyleContext.add_provider_for_screen(
                    Gdk.Screen.get_default(),
                    OSDWindow.css_provider,
                    Gtk.STYLE_PROVIDER_PRIORITY_USER)
        except GLib.Error, e:
            log.error("Failed to apply css with user settings:")
            log.error(e)
            log.error("Retrying with default values")

            OSDWindow.css_provider = Gtk.CssProvider()
            css_file = os.path.join(get_share_path(), "osd_styles", "Classic.gtkstyle.css")
            css = file(css_file, "r").read()
            if ((Gtk.get_major_version(), Gtk.get_minor_version()) > (3, 20)):
                css += OSDWindow.CSS_3_20
            OSDWindow.css_provider.load_from_data((css % colors).encode("utf-8"))
            Gtk.StyleContext.add_provider_for_screen(
                    Gdk.Screen.get_default(),
                    OSDWindow.css_provider,
                    Gtk.STYLE_PROVIDER_PRIORITY_USER)