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from Tkinter import *
# This example program creates a scroling canvas, and demonstrates
# how to tie scrollbars and canvses together. The mechanism
# is analogus for listboxes and other widgets with
# "xscroll" and "yscroll" configuration options.
class Test(Frame):
def printit(self):
print "hi"
def createWidgets(self):
self.question = Label(self, {"text": "Can Find The BLUE Square??????",
Pack : {"side" : "top"}})
self.QUIT = Button(self, {'text': 'QUIT',
'bg': 'red',
"height" : "3",
'command': self.quit})
self.QUIT.pack({'side': 'bottom', 'fill': 'both'})
spacer = Frame(self, {"height" : "0.25i",
Pack : {"side" : "bottom"}})
# notice that the scroll region (20" x 20") is larger than
# displayed size of the widget (5" x 5")
self.draw = Canvas(self, {"width" : "5i",
"height" : "5i",
"bg" : "white",
"scrollregion" : "0i 0i 20i 20i"})
self.draw.scrollX = Scrollbar(self, {"orient" : "horizontal"})
self.draw.scrollY = Scrollbar(self, {"orient" : "vertical"})
# now tie the three together. This is standard boilerplate text
self.draw['xscrollcommand'] = self.draw.scrollX.set
self.draw['yscrollcommand'] = self.draw.scrollY.set
self.draw.scrollX['command'] = self.draw.xview
self.draw.scrollY['command'] = self.draw.yview
# draw something. Note that the first square
# is visible, but you need to scroll to see the second one.
self.draw.create_polygon("0i", "0i", "3.5i", "0i", "3.5i", "3.5i", "0i" , "3.5i")
self.draw.create_polygon("10i", "10i", "13.5i", "10i", "13.5i", "13.5i", "10i" , "13.5i", "-fill", "blue")
# pack 'em up
self.draw.scrollX.pack({'side': 'bottom',
"fill" : "x"})
self.draw.scrollY.pack({'side': 'right',
"fill" : "y"})
self.draw.pack({'side': 'left'})
def scrollCanvasX(self, *args):
print "scrolling", args
print self.draw.scrollX.get()
def __init__(self, master=None):
Frame.__init__(self, master)
Pack.config(self)
self.createWidgets()
test = Test()
test.mainloop()
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