musicdisplayer.py 文件源码

def __init__(self):
        Gtk.ScrolledWindow.__init__(self)
        self.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.NEVER)
        self.m_callback = None
        self.m_engravers = []
        self.m_fontsize = 20
        self.m_clickables = []
        self.g_d = Gtk.DrawingArea()
        self.g_d.show()

        self.add_with_viewport(self.g_d)
        self.g_d.connect("draw", self.on_draw)
        self.g_d.add_events(Gdk.EventMask.EXPOSURE_MASK | Gdk.EventMask.BUTTON_RELEASE_MASK | Gdk.EventMask.BUTTON_PRESS_MASK|Gdk.EventMask.POINTER_MOTION_MASK)
        self.g_d.connect("button_press_event", self.on_button_press_event)

        self.m_width = self.m_height = 0