tkinter开发：用bind给各个button绑定功能，遇到一些问题

# Binding
lambda buttonIndex: ShowButtonTip.showButtonFunctionInfo(buttonIndex, buttonConst.LOG_CONTINUE_BUTTON)

# Define
def showButtonFunctionInfo(self, buttonIndex):Copy

class ToolTip:
    """
    Create a tooltip for a given widget
    (inspired by https://stackoverflow.com/a/36221216)
    This is an INTERNALLY USED only class.  Users should not refer to this class at all.
    """

    def __init__(self, widget, text, timeout=DEFAULT_TOOLTIP_TIME):
        """
        :param widget: The tkinter widget
        :type widget: widget type varies
        :param text: text for the tooltip. It can inslude \n
        :type text: (str)
        :param timeout: Time in milliseconds that mouse must remain still before tip is shown
        :type timeout: (int)
        """
        self.widget = widget
        self.text = text
        self.timeout = timeout
        # self.wraplength = wraplength if wraplength else widget.winfo_screenwidth() // 2
        self.tipwindow = None
        self.id = None
        self.x = self.y = 0
        self.widget.bind("<Enter>", self.enter)
        self.widget.bind("<Leave>", self.leave)
        self.widget.bind("<ButtonPress>", self.leave)

    def enter(self, event=None):
        """
        Called by tkinter when mouse enters a widget
        :param event:  from tkinter.  Has x,y coordinates of mouse

        """
        self.x = event.x
        self.y = event.y
        self.schedule()

    def leave(self, event=None):
        """
        Called by tktiner when mouse exits a widget
        :param event:  from tkinter.  Event info that's not used by function.

        """
        self.unschedule()
        self.hidetip()

    def schedule(self):
        """
        Schedule a timer to time how long mouse is hovering
        """
        self.unschedule()
        self.id = self.widget.after(self.timeout, self.showtip)

    def unschedule(self):
        """
        Cancel timer used to time mouse hover
        """
        if self.id:
            self.widget.after_cancel(self.id)
        self.id = None

    def showtip(self):
        """
        Creates a topoltip window with the tooltip text inside of it
        """
        if self.tipwindow:
            return
        x = self.widget.winfo_rootx() + self.x + DEFAULT_TOOLTIP_OFFSET[0]
        y = self.widget.winfo_rooty() + self.y + DEFAULT_TOOLTIP_OFFSET[1]
        self.tipwindow = tk.Toplevel(self.widget)
        # if not sys.platform.startswith('darwin'):
        try:
            self.tipwindow.wm_overrideredirect(True)
        except:
            print('* Error performing wm_overrideredirect *')
        self.tipwindow.wm_geometry("+%d+%d" % (x, y))
        self.tipwindow.wm_attributes("-topmost", 1)


        label = ttk.Label(self.tipwindow, text=self.text, justify=tk.LEFT,
                          background=TOOLTIP_BACKGROUND_COLOR, relief=tk.SOLID, borderwidth=1)
        if TOOLTIP_FONT is not None:
            label.config(font=TOOLTIP_FONT)
        label.pack()

    def hidetip(self):
        """
        Destroy the tooltip window
        """
        if self.tipwindow:
            self.tipwindow.destroy()
        self.tipwindow = NoneCopy

......
def initADBCmdGui(adbCmdFrame):
      .....
      logContinueButton=
     tk.Button(commonRow2Frame,text="LOGContinue",width=12,command=AdbCmdImpl.adbCmdLogContinue)
      logContinueButton.pack(side=tk.LEFT,fill=tk.X,padx=2,pady=3)
      logContinueButton.bind("<Enter>",func=lambda buttonIndex: 
      ShowButtonTip.showButtonFunctionInfo(buttonIndex,buttonConst.LOG_CONTINUE_BUTTON))
      DPEnableButton=tk.Button(commonRow2Frame,text="Debug Parser 
                                                                                        En",command=AdbCmdImpl.adbCmdDPEnable)
      DPEnableButton.pack(side=tk.LEFT,fill=tk.X,padx=1,pady=3)
      DPEnableButton.bind("<Enter>",func=lambda buttonIndex: 
                                 ShowButtonTip.showButtonFunctionInfo(buttonIndex,buttonConst.DP_ENABLE_BUTTON))Copy

 ......
 def showButtonFunctionInfo(self,buttonIndex):
        if buttonIndex ==buttonConst.LOG_CONTINUE_BUTTON:
                 messages="Log continue"
        elif buttonIndex ==buttonConst.DP_ENABLE_BUTTON:
                 messages="DP Enable"
        time.sleep(2)
        tk.messagebox.showinfo("功能",messages)Copy

import tkinter as tk

def hello():
    print('Hello,world !')

def enter(event):
    print('Inside Button')

def f1(event):
    print('Key F1 Pressed')

root = tk.Tk()
root.bind('<KeyPress-F1>', f1)

button = tk.Button(text='Button', command=hello)
button.bind('<Enter>', enter)
button.pack()

root.mainloop()Copy

x = self.widget.winfo_rootx() + self.x + offset_x
y = self.widget.winfo_rooty() + self.y + offset_yCopy