How to add a scrollbar to a window with tkinter?

I have a tkinter program:

import urllib.request
from tkinter import *


root = Tk()
root.iconbitmap(default='icon.ico')
root.wm_title('Got Skills\' Skill Tracker')
frame = Frame(width="500",height="500")
frame.pack()


def show():
  name = "zezima"
  page = urllib.request.urlopen('http://hiscore.runescape.com/index_lite.ws?player=' + name)
  page = page.readlines()

  skills = []
  for line in page:
    skills.append([line.decode("utf-8").replace("\n", "").split(",")])

  skills = skills[0:25]

  for item in skills:
    toPrint = item[0][0],"-",item[0][1],"-",item[0][1],"\n"
    w = Message(frame, text=toPrint)
    w.pack()


menu = Menu(root)
root.config(menu=menu)

filemenu = Menu(menu)
menu.add_cascade(label="Commands", menu=filemenu)
filemenu.add_command(label="Show Skills", command=show)


root.mainloop()

When I run the above script, it shows this (which is good):

alt text http://img708.imageshack.us/img708/8821/tkinter1.png

When I click Commands > Show Skills, it turns into this. (Linked because it's tall.) It shows the right thing, but...I can imagine you see the problem.

Two questions:

-How do I add a scrollbar to the frame, and keep the frame a fixed size? (Ideally, keep 开发者_运维百科the size of the first image, add the output of show(), add a scrollbar to the first image of the program.) -With the following code:

  for item in skills:
    toPrint = item[0][0],"-",item[0][1],"-",item[0][2],"\n"
    w = Message(frame, text=toPrint)
    w.pack()

Is that the best way to output what I'm outputting? The list (skills) looks like [[1,2,3],[4,5,6]..], and I want to display 1-2-3 on a line, 4 - 5 - 6 on a line, etc.

But, I don't want that extra line in between them like there is now, and I was wondering if how I did it is the best way to go about doing it.

To add the scroll bars, use tkinter.tix.ScrolledWindow.

To remove extra space drop the extra "\n" and display a string, not a tuple. Here is the complete code:

import urllib.request
from tkinter import *
from tkinter.tix import *

root = Tk()
root.iconbitmap(default='icon.ico')
root.wm_title('Got Skills\' Skill Tracker')
frame = Frame(width="500",height="500")
frame.pack()
swin = ScrolledWindow(frame, width=500, height=500)
swin.pack()
win = swin.window


def show():
  name = "zezima"
  page = urllib.request.urlopen('http://hiscore.runescape.com/index_lite.ws?player=' + name)
  page = page.readlines()

  skills = []
  for line in page:
    skills.append([line.decode("utf-8").replace("\n", "").split(",")])

  skills = skills[0:25]

  for item in skills:
    toPrint = item[0][0],"-",item[0][1],"-",item[0][1]
    w = Message(win, text=' '.join(toPrint), width=500)
    w.pack()


menu = Menu(root)
root.config(menu=menu)

filemenu = Menu(menu)
menu.add_cascade(label="Commands", menu=filemenu)
filemenu.add_command(label="Show Skills", command=show)


root.mainloop()

Here's a class for scrolling frames. Just pass the window object as traditional tkinter style and use obj.frame as window for new widgets.

class ScrollableFrame:
    """
    # How to use class
    from tkinter import *
    obj = ScrollableFrame(master,height=300 # Total required height of canvas,width=400 # Total width of master)
    objframe = obj.frame
    # use objframe as the main window to make widget
    """
    def __init__ (self,master,width,height,mousescroll=0):
        self.mousescroll = mousescroll
        self.master = master
        self.height = height
        self.width = width
        self.main_frame = Frame(self.master)
        self.main_frame.pack(fill=BOTH,expand=1)

        self.scrollbar = Scrollbar(self.main_frame, orient=VERTICAL)
        self.scrollbar.pack(side=RIGHT,fill=Y)

        self.canvas = Canvas(self.main_frame,yscrollcommand=self.scrollbar.set)
        self.canvas.pack(expand=True,fill=BOTH)

        self.scrollbar.config(command=self.canvas.yview)

        self.canvas.bind('<Configure>', lambda e: self.canvas.configure(scrollregion = self.canvas.bbox("all")))

        self.frame = Frame(self.canvas,width=self.width,height=self.height)
        self.frame.pack(expand=True,fill=BOTH)
        self.canvas.create_window((0,0), window=self.frame, anchor="nw")

        self.frame.bind("<Enter>", self.entered)
        self.frame.bind("<Leave>", self.left)

    def _on_mouse_wheel(self,event):
        self.canvas.yview_scroll(-1 * int((event.delta / 120)), "units")

    def entered(self,event):
        if self.mousescroll:
            self.canvas.bind_all("<MouseWheel>", self._on_mouse_wheel)
        
    def left(self,event):
        if self.mousescroll:
            self.canvas.unbind_all("<MouseWheel>")