| 1 | from Tkinter import *
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| 2 |
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| 3 | # This example program creates a scroling canvas, and demonstrates
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| 4 | # how to tie scrollbars and canvses together. The mechanism
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| 5 | # is analogus for listboxes and other widgets with
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| 6 | # "xscroll" and "yscroll" configuration options.
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| 7 |
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| 8 | class Test(Frame):
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| 9 | def printit(self):
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| 10 | print "hi"
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| 11 |
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| 12 | def createWidgets(self):
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| 13 | self.question = Label(self, text="Can Find The BLUE Square??????")
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| 14 | self.question.pack()
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| 15 |
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| 16 | self.QUIT = Button(self, text='QUIT', background='red',
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| 17 | height=3, command=self.quit)
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| 18 | self.QUIT.pack(side=BOTTOM, fill=BOTH)
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| 19 | spacer = Frame(self, height="0.25i")
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| 20 | spacer.pack(side=BOTTOM)
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| 21 |
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| 22 | # notice that the scroll region (20" x 20") is larger than
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| 23 | # displayed size of the widget (5" x 5")
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| 24 | self.draw = Canvas(self, width="5i", height="5i",
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| 25 | background="white",
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| 26 | scrollregion=(0, 0, "20i", "20i"))
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| 27 |
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| 28 | self.draw.scrollX = Scrollbar(self, orient=HORIZONTAL)
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| 29 | self.draw.scrollY = Scrollbar(self, orient=VERTICAL)
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| 30 |
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| 31 | # now tie the three together. This is standard boilerplate text
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| 32 | self.draw['xscrollcommand'] = self.draw.scrollX.set
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| 33 | self.draw['yscrollcommand'] = self.draw.scrollY.set
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| 34 | self.draw.scrollX['command'] = self.draw.xview
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| 35 | self.draw.scrollY['command'] = self.draw.yview
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| 36 |
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| 37 | # draw something. Note that the first square
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| 38 | # is visible, but you need to scroll to see the second one.
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| 39 | self.draw.create_rectangle(0, 0, "3.5i", "3.5i", fill="black")
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| 40 | self.draw.create_rectangle("10i", "10i", "13.5i", "13.5i", fill="blue")
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| 41 |
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| 42 | # pack 'em up
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| 43 | self.draw.scrollX.pack(side=BOTTOM, fill=X)
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| 44 | self.draw.scrollY.pack(side=RIGHT, fill=Y)
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| 45 | self.draw.pack(side=LEFT)
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| 46 |
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| 47 |
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| 48 | def scrollCanvasX(self, *args):
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| 49 | print "scrolling", args
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| 50 | print self.draw.scrollX.get()
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| 51 |
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| 52 |
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| 53 | def __init__(self, master=None):
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| 54 | Frame.__init__(self, master)
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| 55 | Pack.config(self)
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| 56 | self.createWidgets()
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| 57 |
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| 58 | test = Test()
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| 59 |
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| 60 | test.mainloop()
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