Viewing file:  canvas-with-scrollbars.py (2.06 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
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()
|