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"""turtledemo.two_canvases
Use TurtleScreen and RawTurtle to draw on two
distinct canvases.
"""
#The final mainloop only serves to keep the window open.
#TODO: This runs in its own two-canvas window when selected in the
#demoviewer examples menu but the text is not loaded and the previous
#example is left visible. If the ending mainloop is removed, the text
#Eis loaded, this run again in a third window, and if start is pressed,
#demoviewer raises an error because main is not found, and then freezes.
from turtle import TurtleScreen, RawTurtle, TK
root = TK.Tk()
cv1 = TK.Canvas(root, width=300, height=200, bg="#ddffff")
cv2 = TK.Canvas(root, width=300, height=200, bg="#ffeeee")
cv1.pack()
cv2.pack()
s1 = TurtleScreen(cv1)
s1.bgcolor(0.85, 0.85, 1)
s2 = TurtleScreen(cv2)
s2.bgcolor(1, 0.85, 0.85)
p = RawTurtle(s1)
q = RawTurtle(s2)
p.color("red", (1, 0.85, 0.85))
p.width(3)
q.color("blue", (0.85, 0.85, 1))
q.width(3)
for t in p,q:
t.shape("turtle")
t.lt(36)
q.lt(180)
for t in p, q:
t.begin_fill()
for i in range(5):
for t in p, q:
t.fd(50)
t.lt(72)
for t in p,q:
t.end_fill()
t.lt(54)
t.pu()
t.bk(50)
## Want to get some info?
#print(s1, s2)
#print(p, q)
#print(s1.turtles())
#print(s2.turtles())
TK.mainloop()
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