#!
import sys

from OpenGL.GLUT import *
from OpenGL.GLU import *
from OpenGL.GL import *

def setup():
    print "Setup"
    glClearColor(0.8, 0.7, 0.6, 0.0)

def display():
    print "Display"
    glClear(GL_COLOR_BUFFER_BIT)
    glFlush()

def reshape(w, h):
    print "Reshape", w, h
    glViewport(0, 0, w, h)
    glMatrixMode(GL_PROJECTION)
    glLoadIdentity()
    glOrtho(-50.0, 50.0, -50.0, 50.0, -1.0, 1.0)
    glMatrixMode(GL_MODELVIEW)
    glLoadIdentity()

def timer(id):
    print "Timer", id
    glutTimerFunc(2000, timer, id)

def entry(state):
    if state == GLUT_LEFT:
        print "Mouse leaving"
    else:
        print "Mouse entering"

def motion(x, y):
    # only generates mouse move when key is down
    print "Mouse Move", x, y

def mouse(button, state, x, y):
    if state == GLUT_DOWN:
        state = "down"
    else:
        state = "up"

    if button == GLUT_LEFT_BUTTON:
        print "Left", state, x, y
    elif button == GLUT_MIDDLE_BUTTON:
        print "Middle", state, x, y
    elif button == GLUT_RIGHT_BUTTON:
        print "Right", state, x, y

def joystick(button, x, y, z):
    print "Joystick", button, x, y, z

keystate = [0] * 256

def modifykey(key):
    modifier = glutGetModifiers()
    if modifier:
	if modifier & GLUT_ACTIVE_CTRL:
	    key = "[CTRL] " + key
	if modifier & GLUT_ACTIVE_ALT:
	    key = "[ALT] " + key
	if modifier & GLUT_ACTIVE_SHIFT:
	    key = "[SHIFT] " + key
    return key

def keydown(key, x, y):
    keystate[ord(key)] = GLUT_DOWN
    print ord(key), modifykey(key), GLUT_DOWN
    
def keyup(key, x, y):
    keystate[ord(key)] = GLUT_UP;
    print ord(key), modifykey(key), GLUT_UP

def special(key, x, y):
    print "Special", key, x, y

#  Register mouse input callback functions
glutInit(sys.argv)
glutInitDisplayMode(GLUT_RGBA)
glutInitWindowSize(500, 500)
glutInitWindowPosition(-1, -1)
glutCreateWindow('Input')

setup()

glutDisplayFunc(display)
glutReshapeFunc(reshape)

# Keyboard
glutSpecialFunc( special )
glutKeyboardFunc( keydown )
glutKeyboardUpFunc( keyup )

# Mouse
glutEntryFunc(entry)
glutMouseFunc(mouse)
glutMotionFunc(motion)

# Timer
glutTimerFunc(2000, timer, 1)

# Joystick
glutJoystickFunc( joystick, 500 )

glutMainLoop()