recipe-580728.py 文件源码

def __init__(self, panedwindow, sash_index, disallow_dragging=False, on_click=None, **kw):
        image = kw.pop("image", None)
        Frame.__init__(self, panedwindow, class_="Handle", **kw)

        self._sash_index = sash_index

        if image:
            self._event_area = Label(self, image=image)
            self._event_area.pack()            
        else:
            self._event_area = self

        self._center = int(self._event_area.winfo_reqwidth()/2), int(self._event_area.winfo_reqheight()/2)

        if disallow_dragging:
            if on_click:
                self._event_area.bind('<Button-1>', lambda event: on_click())
        else:
            self._event_area.bind('<Button-1>', self._initiate_motion)
            self._event_area.bind('<B1-Motion>', self._on_dragging)
            self._event_area.bind('<ButtonRelease-1>', self.master._on_release)