# Tk_autohide_scrollbars.py

# Tk_autohide_scrollbars.py

# Importing tkinter
from tkinter import *

# Creating class AutoScrollbar
class AutoScrollbar(Scrollbar):

    # Defining set method with all
    # its parameter
    def set(self, low, high):

        if float(low) <= 0.0 and float(high) >= 1.0:

            # Using grid_remove
            self.tk.call("grid", "remove", self)
        else:
            self.grid()
        Scrollbar.set(self, low, high)

# creating tkinter window
root = Tk()

# Defining vertical scrollbar
verscrollbar = AutoScrollbar(root)

# Calling grid method with all its
# parameter w.r.t vertical scrollbar
verscrollbar.grid(row=0, column=1,
                  sticky=N+S)

# Defining horizontal scrollbar
horiscrollbar = AutoScrollbar(root,
                              orient=HORIZONTAL)

# Calling grid method with all its
# parameter w.r.t horizontal scrollbar
horiscrollbar.grid(row=1, column=0,
                   sticky=E+W)

# Creating scrolled canvas
canvas = Canvas(root,
                yscrollcommand=verscrollbar.set,
                xscrollcommand=horiscrollbar.set)

canvas.grid(row=0, column=0, sticky=N+S+E+W)

verscrollbar.config(command=canvas.yview)
horiscrollbar.config(command=canvas.xview)

# Making the canvas expandable
root.grid_rowconfigure(0, weight=1)
root.grid_columnconfigure(0, weight=1)

# creating canvas contents
frame = Frame(canvas)
frame.rowconfigure(1, weight=1)
frame.columnconfigure(1, weight=1)

# creating label contents
sss = "Drag The Canvas Frame To Resize", "Until Scrollbars Disappear"
for s in [0,1]:
    label = Label(frame, padx=8, font='ariel 17', text=sss[s])
    label.grid(row=s, column=1, columnspan=16, sticky='w')

# Defining number of rows and columns
for i in range(1,10):
    for j in range(1,13):
        button = Button(frame, padx=8, pady=8,
                        text="[%d,%d]" % (i,j))
        button.grid(row=i+1, column=j, sticky='news')

# Creating canvas window
canvas.create_window(0, 0, anchor=NW, window=frame)

# Calling update_idletasks method
frame.update_idletasks()

# Configuring canvas
canvas.config(scrollregion=canvas.bbox("all"))

# Calling mainloop method
root.mainloop()