以下は、ドキュメントから取得した、グリッドジオメトリ マネージャーのみを使用する場合にのみ機能するスクロールバーの自動非表示の例です。effbot.org
from tkinter import *
class AutoScrollbar(Scrollbar):
# A scrollbar that hides itself if it's not needed.
# Only works if you use the grid geometry manager!
def set(self, lo, hi):
if float(lo) <= 0.0 and float(hi) >= 1.0:
# grid_remove is currently missing from Tkinter!
self.tk.call("grid", "remove", self)
else:
self.grid()
Scrollbar.set(self, lo, hi)
def pack(self, **kw):
raise TclError("cannot use pack with this widget")
def place(self, **kw):
raise TclError("cannot use place with this widget")
# create scrolled canvas
root = Tk()
vscrollbar = AutoScrollbar(root)
vscrollbar.grid(row=0, column=1, sticky=N+S)
hscrollbar = AutoScrollbar(root, orient=HORIZONTAL)
hscrollbar.grid(row=1, column=0, sticky=E+W)
canvas = Canvas(root, yscrollcommand=vscrollbar.set, xscrollcommand=hscrollbar.set)
canvas.grid(row=0, column=0, sticky=N+S+E+W)
vscrollbar.config(command=canvas.yview)
hscrollbar.config(command=canvas.xview)
# make the canvas expandable
root.grid_rowconfigure(0, weight=1)
root.grid_columnconfigure(0, weight=1)
# create canvas contents
frame = Frame(canvas)
frame.rowconfigure(1, weight=1)
frame.columnconfigure(1, weight=1)
rows = 5
for i in range(1, rows):
for j in range(1, 10):
button = Button(frame, text="%d, %d" % (i,j))
button.grid(row=i, column=j, sticky='news')
canvas.create_window(0, 0, anchor=NW, window=frame)
frame.update_idletasks()
canvas.config(scrollregion=canvas.bbox("all"))
root.mainloop()