direct input keys in opencv
# direct inputs
# source to this solution and code:
# http://stackoverflow.com/questions/14489013/simulate-python-keypresses-for-controlling-a-game
# http://www.gamespp.com/directx/directInputKeyboardScanCodes.html
import ctypes
import time
SendInput = ctypes.windll.user32.SendInput
W = 0x11
A = 0x1E
S = 0x1F
D = 0x20
# 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))
if __name__ == '__main__':
PressKey(0x11)
time.sleep(1)
ReleaseKey(0x11)
time.sleep(1)
Are there any code examples left?
New code examples in category Python
-
Python 2023-04-11 03:04:20
-
Python 2022-03-27 22:40:04 pycharm no module named
-
Python 2022-03-27 22:25:05 assign multiple variablesin one line
-
Python 2022-03-27 22:20:02 levenshtein distance
-
Python 2022-03-27 21:35:09 get text from url python last slash
-
Python 2022-03-27 21:30:30 df concatenate df
-
Python 2022-03-27 21:25:09 python odd or even
-
Python 2022-03-27 21:15:32 python include function from another file
-
Python 2022-03-27 21:10:01 color module python
-
Python 2022-03-27 21:00:27 python tkinter cursor types