# Demo of reading a whole string from the keyboard, by saving each
# individual key as it's pressed

import sys, math, time
from OpenGL.GLUT import *
from OpenGL.GL import *
from OpenGL.GLU import *

frame = 0
size = 0.5
animating = False

def draw():
    global frame, size
    glClear(GL_COLOR_BUFFER_BIT)
    glutWireTeapot(size)
    glFlush()

savedString = ''

def keyboard(key, x, y):
    global savedString, animating
    if key == chr(27):
        sys.exit(0)
    elif key == chr(13):
        print savedString, 'was typed'
        if savedString == 'anim':
            animating = not animating
        savedString = ''
    else:
        savedString += key

startTime = time.time()

def idle():
    global frame, size, startTime, animating
    frame = frame + 1
    if animating:
        size = math.sin(time.time())
    glutPostRedisplay()

glutInit([])
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB)
glutInitWindowSize(200, 200)
glutInitWindowPosition(0,0)
glutCreateWindow(sys.argv[0])
glutDisplayFunc(draw)
glutKeyboardFunc(keyboard)
glutIdleFunc(idle)
glutMainLoop()