Screen Pet From Python For Kids Book

screen_pet.py

from tkinter import HIDDEN, NORMAL, Tk, Canvas

def toggle_eyes():
	current_color = c.itemcget(eye_left,'fill')
	new_color = c.body_color if current_color == 'white' else 'white'
	current_state = c.itemcget(pupil_left,'state')
	new_state = NORMAL if current_state == HIDDEN else HIDDEN
	c.itemconfigure(pupil_left,state=new_state)
	c.itemconfigure(pupil_right,state=new_state)
	c.itemconfigure(eye_left,fill=new_color)
	c.itemconfigure(eye_right,fill=new_color)

def blink():
	toggle_eyes()
	root.after(250,toggle_eyes)
	root.after(3000,blink)

def show_happy(event):
	if (20 <= event.x <=350) and (20 <= event.y <=350):
		c.itemconfigure(cheek_left,state=NORMAL)
		c.itemconfigure(cheek_right, state=NORMAL)
		c.itemconfigure(mouth_happy,state=NORMAL)
		c.itemconfigure(mouth_normal,state=HIDDEN)
		c.itemconfigure(mouth_sad,state=HIDDEN)
	return

def hide_happy(event):
	c.itemconfigure(cheek_left,state=HIDDEN)
	c.itemconfigure(cheek_right, state=HIDDEN)
	c.itemconfigure(mouth_happy,state=HIDDEN)
	c.itemconfigure(mouth_normal,state=NORMAL)
	c.itemconfigure(mouth_sad,state=HIDDEN)
	return

root = Tk()
c = Canvas(root, width=400, height=400)
c.configure(bg='dark blue', highlightthickness=0)

c.body_color = 'SkyBlue1'
body = c.create_oval(35, 20, 365, 350, outline=c.body_color, fill=c.body_color)
ear_left = c.create_polygon(75, 80, 75, 10, 165, 70, outline=c.body_color, fill=c.body_color)
ear_right = c.create_polygon(255, 45, 325, 10, 320, 70, outline=c.body_color, fill=c.body_color)

foot_left = c.create_oval(65,320,145,360,outline=c.body_color, fill=c.body_color)
foot_right = c.create_oval(250,320,330,360,outline=c.body_color, fill=c.body_color)

eye_left = c.create_oval(130,110,160,170,outline='black',fill='white')
pupil_left = c.create_oval(140,145,150,155,outline='black',fill='black')

eye_right = c.create_oval(230,110,260,170,outline='black',fill='white')
pupil_right = c.create_oval(240,145,250,155,outline='black',fill='black')

mouth_normal = c.create_line(170,250,200,272,230,250,smooth=1,width=2,state=NORMAL)
mouth_happy = c.create_line(170,250,200,282,230,250,smooth=1,width=2,state=HIDDEN)
mouth_sad = c.create_line(170,250,200,232,230,250,smooth=1,width=2,state=HIDDEN)

cheek_left = c.create_oval(70,180,120,230,outline='pink',fill='pink',state=HIDDEN)
cheek_right = c.create_oval(280,180,330,230,outline='pink',fill='pink',state=HIDDEN)

c.pack()

c.bind('<Motion>', show_happy)
c.bind('<Leave>',hide_happy)

root.after(1000,blink)

c.mainloop()