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