def key_handler(event):
'''Handle key presses.'''
# <your code goes here>
if event.keysym == 'q':
quit()
elif event.keysym == 'c':
global color
color = random_color()
elif event.keysym == 'x':
global handlers
global global_canvas
for index, handler in enumerate(list(handlers)):
global_canvas.delete(handler)
del handlers[index]
def key_handler(event):
'''Handle key presses.'''
# <your code goes here>
if event.keysym == 'q':
quit()
elif event.keysym == 'c':
global color
color = random_color()
elif event.keysym == 'x':
global handlers
global global_canvas
for index, handler in enumerate(list(handlers)):
global_canvas.delete(handler)
del handlers[index]
def key_handler(event):
'''Handle key presses.'''
global N
if event.keysym == 'q':
quit()
elif event.keysym == 'c':
global color
color = random_color()
elif event.keysym == 'x':
global handlers
global global_canvas
for handler in list(handlers):
global_canvas.delete(handler)
handlers.remove(handler)
elif event.keysym == 'minus':
if (N - 2) >= 5:
N -= 2
elif event.keysym == 'plus':
N += 2
def key_handler(event):
'''Handle key presses.'''
global N
if event.keysym == 'q':
quit()
elif event.keysym == 'c':
global color
color = random_color()
elif event.keysym == 'x':
global handlers
global global_canvas
for handler in list(handlers):
global_canvas.delete(handler)
handlers.remove(handler)
elif event.keysym == 'minus':
if (N - 2) >= 5:
N -= 2
elif event.keysym == 'plus':
N += 2
global handlers
global global_canvas
for index, handler in enumerate(list(handlers)):
global_canvas.delete(handler)
del handlers[index]
def button_handler(event):
'''Handle left mouse button click events.'''
global global_canvas
global handlers
handlers.append(
draw_circle(global_canvas, color, random_size(10, 50),
(event.x, event.y)))
if __name__ == '__main__':
root = Tk()
root.geometry('800x800')
canvas = Canvas(root, width=800, height=800)
canvas.pack()
global_canvas = canvas
color = random_color()
# Bind events to handlers.
root.bind('<Key>', key_handler)
canvas.bind('<Button-1>', button_handler)
# Start it up.
root.mainloop()
elif event.keysym == 'plus':
N += 2
def button_handler(event):
'''Handle left mouse button click events.'''
global global_canvas
global handlers
handlers += draw_star(
global_canvas,
color,
random_size(50, 100),
(event.x, event.y)
)
if __name__ == '__main__':
root = Tk()
root.geometry('800x800')
canvas = Canvas(root, width=800, height=800)
canvas.pack()
global_canvas = canvas
color = random_color()
# Bind events to handlers.
root.bind('<Key>', key_handler)
canvas.bind('<Button-1>', button_handler)
# Start it up.
root.mainloop()
import lab4_b
import Tkinter
from lab4_d2 import draw_square
if __name__ == '__main__':
root = Tkinter.Tk()
root.geometry('800x800')
c = Tkinter.Canvas(root, width=800, height=800)
c.pack()
for i in range(50):
draw_square(c,
lab4_b.random_color(),
lab4_b.random_size(20, 150),
lab4_b.random_position(800, 800))
root.bind("q", quit)
root.mainloop()
