import ctypes
import time

SendInput = ctypes.windll.user32.SendInput

# C struct redefinitions 
PUL = ctypes.POINTER(ctypes.c_ulong)
class KeyBdInput(ctypes.Structure):
    _fields_ = [("wVk", ctypes.c_ushort),
                ("wScan", ctypes.c_ushort),
                ("dwFlags", ctypes.c_ulong),
                ("time", ctypes.c_ulong),
                ("dwExtraInfo", PUL)]

class HardwareInput(ctypes.Structure):
    _fields_ = [("uMsg", ctypes.c_ulong),
                ("wParamL", ctypes.c_short),
                ("wParamH", ctypes.c_ushort)]

class MouseInput(ctypes.Structure):
    _fields_ = [("dx", ctypes.c_long),
                ("dy", ctypes.c_long),
                ("mouseData", ctypes.c_ulong),
                ("dwFlags", ctypes.c_ulong),
                ("time",ctypes.c_ulong),
                ("dwExtraInfo", PUL)]

class Input_I(ctypes.Union):
    _fields_ = [("ki", KeyBdInput),
                 ("mi", MouseInput),
                 ("hi", HardwareInput)]

class Input(ctypes.Structure):
    _fields_ = [("type", ctypes.c_ulong),
                ("ii", Input_I)]

# Actuals Functions

def PressKey(hexKeyCode):
    extra = ctypes.c_ulong(0)
    ii_ = Input_I()
    ii_.ki = KeyBdInput( 0, hexKeyCode, 0x0008, 0, ctypes.pointer(extra) )
    x = Input( ctypes.c_ulong(1), ii_ )
    ctypes.windll.user32.SendInput(1, ctypes.pointer(x), ctypes.sizeof(x))

def ReleaseKey(hexKeyCode):
    extra = ctypes.c_ulong(0)
    ii_ = Input_I()
    ii_.ki = KeyBdInput( 0, hexKeyCode, 0x0008 | 0x0002, 0, ctypes.pointer(extra) )
    x = Input( ctypes.c_ulong(1), ii_ )
    ctypes.windll.user32.SendInput(1, ctypes.pointer(x), ctypes.sizeof(x))

# directx scan codes http://www.gamespp.com/directx/directInputKeyboardScanCodes.html
x = 0
while x < 100:
    x += 1
    """
    PressKey(0x10)
    time.sleep(0.01)
    ReleaseKey(0x10)
    time.sleep(0.01)
    PressKey(0x11)
    time.sleep(0.01)
    PressKey(0x12)
    time.sleep(0.01)
    ReleaseKey(0x11)
    time.sleep(0.01)
    ReleaseKey(0x12)
    time.sleep(0.01)
    PressKey(0x13)
    time.sleep(0.01)
    ReleaseKey(0x13)
    time.sleep(0.01)
    PressKey(0x14)
    time.sleep(0.01)
    ReleaseKey(0x14)
    """
    PressKey(0x1c) # Her bliver der trykket Enter
    time.sleep(0.01)
    ReleaseKey(0x1c)
    time.sleep(0.01)
    PressKey(0x2a) # Her bliver der trykket SHIFT
    PressKey(0x12)
    PressKey(0x2c)
    time.sleep(0.01)
    ReleaseKey(0x2a)
    ReleaseKey(0x12)
    ReleaseKey(0x2c)
    PressKey(0x39)
    time.sleep(0.01)
    ReleaseKey(0x39) # Her bliver der lavet mellemrum
    PressKey(0x2a) # Shift
    PressKey(0x2e) # C
    PressKey(0x26) # L
    PressKey(0x1e) # A
    PressKey(0x19) # P
    time.sleep(0.01)
    ReleaseKey(0x2a)
    ReleaseKey(0x2e)
    ReleaseKey(0x26)
    ReleaseKey(0x1e)
    ReleaseKey(0x19)
    """
    time.sleep(0.01)
    PressKey(0x1c)
    time.sleep(0.01)
    ReleaseKey(0x1c)
"""
