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| #!/usr/bin/env python
# -*- coding: ISO-8859-1 -*-
from Tkinter import *
class scrollCanvas:
def __init__(self,root):
frame = Frame(root)
frame.grid()
self.xScrollbar = Scrollbar(frame, orient=HORIZONTAL)
self.xScrollbar.grid(row=1, column=0, sticky=E+W)
self.yScrollbar = Scrollbar(frame)
self.yScrollbar.grid(row=0, column=1, sticky=N+S)
self.myCanvas = Canvas(frame, bd=0,width=300,height=300,
scrollregion=(0,0,1000,1000),
xscrollcommand=self.xScrollbar.set,
yscrollcommand=self.yScrollbar.set)
self.myCanvas.grid(row=0, column=0)
self.myCanvas.create_line(0,0,100,250)
frame.pack()
self.xScrollbar.config(command=self.myxScroll)
self.yScrollbar.config(command=self.myCanvas.yview)
def myxScroll(self,move,x=0,page=None):
'''move peut prendre 2 valeurs : 'moveto' et 'scroll'
Dans le cas de moveto, val est compris entre 0.0 et 1.0, page
=None.
Dans le cas de scroll,page vaut pages, et x = 1
'''
self.myCanvas.xview(move,x,page)
if page:
y=x
else:
y=float(x)/2
self.myCanvas.yview(move,y,page)
if __name__=='__main__':
root=Tk()
app=scrollCanvas(root)
root.mainloop() |
