Editing: canvas-with-scrollbars.py
from Tkinter import * # This example program creates a scrolling canvas, and demonstrates # how to tie scrollbars and canvases 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??????") self.question.pack() self.QUIT = Button(self, text='QUIT', background='red', height=3, command=self.quit) self.QUIT.pack(side=BOTTOM, fill=BOTH) spacer = Frame(self, height="0.25i") spacer.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", background="white", scrollregion=(0, 0, "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_rectangle(0, 0, "3.5i", "3.5i", fill="black") self.draw.create_rectangle("10i", "10i", "13.5i", "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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