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# -*- coding: utf-8 -*-
import ctypes
import time
from ctypes import c_short, c_char, c_uint8, c_int32, c_int, c_uint, c_uint32, c_long, byref, Structure, CFUNCTYPE, POINTER
from ctypes.wintypes import DWORD, BOOL, HHOOK, MSG, LPWSTR, WCHAR, WPARAM, LPARAM
LPMSG = POINTER(MSG)
import atexit
from ._mouse_event import ButtonEvent, WheelEvent, MoveEvent, LEFT, RIGHT, MIDDLE, X, X2, UP, DOWN, DOUBLE, WHEEL, HORIZONTAL, VERTICAL
#https://github.com/boppreh/mouse/issues/1
#user32 = ctypes.windll.user32
user32 = ctypes.WinDLL('user32', use_last_error = True)
class MSLLHOOKSTRUCT(Structure):
_fields_ = [("x", c_long),
("y", c_long),
('data', c_int32),
('reserved', c_int32),
("flags", DWORD),
("time", c_int),
]
LowLevelMouseProc = CFUNCTYPE(c_int, WPARAM, LPARAM, POINTER(MSLLHOOKSTRUCT))
SetWindowsHookEx = user32.SetWindowsHookExA
#SetWindowsHookEx.argtypes = [c_int, LowLevelMouseProc, c_int, c_int]
SetWindowsHookEx.restype = HHOOK
CallNextHookEx = user32.CallNextHookEx
#CallNextHookEx.argtypes = [c_int , c_int, c_int, POINTER(MSLLHOOKSTRUCT)]
CallNextHookEx.restype = c_int
UnhookWindowsHookEx = user32.UnhookWindowsHookEx
UnhookWindowsHookEx.argtypes = [HHOOK]
UnhookWindowsHookEx.restype = BOOL
GetMessage = user32.GetMessageW
GetMessage.argtypes = [LPMSG, c_int, c_int, c_int]
GetMessage.restype = BOOL
TranslateMessage = user32.TranslateMessage
TranslateMessage.argtypes = [LPMSG]
TranslateMessage.restype = BOOL
DispatchMessage = user32.DispatchMessageA
DispatchMessage.argtypes = [LPMSG]
# Beware, as of 2016-01-30 the official docs have a very incomplete list.
# This one was compiled from experience and may be incomplete.
WM_MOUSEMOVE = 0x200
WM_LBUTTONDOWN = 0x201
WM_LBUTTONUP = 0x202
WM_LBUTTONDBLCLK = 0x203
WM_RBUTTONDOWN = 0x204
WM_RBUTTONUP = 0x205
WM_RBUTTONDBLCLK = 0x206
WM_MBUTTONDOWN = 0x207
WM_MBUTTONUP = 0x208
WM_MBUTTONDBLCLK = 0x209
WM_MOUSEWHEEL = 0x20A
WM_XBUTTONDOWN = 0x20B
WM_XBUTTONUP = 0x20C
WM_XBUTTONDBLCLK = 0x20D
WM_NCXBUTTONDOWN = 0x00AB
WM_NCXBUTTONUP = 0x00AC
WM_NCXBUTTONDBLCLK = 0x00AD
WM_MOUSEHWHEEL = 0x20E
WM_LBUTTONDOWN = 0x0201
WM_LBUTTONUP = 0x0202
WM_MOUSEMOVE = 0x0200
WM_MOUSEWHEEL = 0x020A
WM_MOUSEHWHEEL = 0x020E
WM_RBUTTONDOWN = 0x0204
WM_RBUTTONUP = 0x0205
buttons_by_wm_code = {
WM_LBUTTONDOWN: (DOWN, LEFT),
WM_LBUTTONUP: (UP, LEFT),
WM_LBUTTONDBLCLK: (DOUBLE, LEFT),
WM_RBUTTONDOWN: (DOWN, RIGHT),
WM_RBUTTONUP: (UP, RIGHT),
WM_RBUTTONDBLCLK: (DOUBLE, RIGHT),
WM_MBUTTONDOWN: (DOWN, MIDDLE),
WM_MBUTTONUP: (UP, MIDDLE),
WM_MBUTTONDBLCLK: (DOUBLE, MIDDLE),
WM_XBUTTONDOWN: (DOWN, X),
WM_XBUTTONUP: (UP, X),
WM_XBUTTONDBLCLK: (DOUBLE, X),
}
MOUSEEVENTF_ABSOLUTE = 0x8000
MOUSEEVENTF_MOVE = 0x1
MOUSEEVENTF_WHEEL = 0x800
MOUSEEVENTF_HWHEEL = 0x1000
MOUSEEVENTF_LEFTDOWN = 0x2
MOUSEEVENTF_LEFTUP = 0x4
MOUSEEVENTF_RIGHTDOWN = 0x8
MOUSEEVENTF_RIGHTUP = 0x10
MOUSEEVENTF_MIDDLEDOWN = 0x20
MOUSEEVENTF_MIDDLEUP = 0x40
MOUSEEVENTF_XDOWN = 0x0080
MOUSEEVENTF_XUP = 0x0100
simulated_mouse_codes = {
(WHEEL, HORIZONTAL): MOUSEEVENTF_HWHEEL,
(WHEEL, VERTICAL): MOUSEEVENTF_WHEEL,
(DOWN, LEFT): MOUSEEVENTF_LEFTDOWN,
(UP, LEFT): MOUSEEVENTF_LEFTUP,
(DOWN, RIGHT): MOUSEEVENTF_RIGHTDOWN,
(UP, RIGHT): MOUSEEVENTF_RIGHTUP,
(DOWN, MIDDLE): MOUSEEVENTF_MIDDLEDOWN,
(UP, MIDDLE): MOUSEEVENTF_MIDDLEUP,
(DOWN, X): MOUSEEVENTF_XDOWN,
(UP, X): MOUSEEVENTF_XUP,
}
NULL = c_int(0)
WHEEL_DELTA = 120
init = lambda: None
def listen(queue):
def low_level_mouse_handler(nCode, wParam, lParam):
struct = lParam.contents
# Can't use struct.time because it's usually zero.
t = time.time()
if wParam == WM_MOUSEMOVE:
event = MoveEvent(struct.x, struct.y, t)
elif wParam == WM_MOUSEWHEEL:
event = WheelEvent(struct.data / (WHEEL_DELTA * (2<<15)), t)
elif wParam in buttons_by_wm_code:
type, button = buttons_by_wm_code.get(wParam, ('?', '?'))
if wParam >= WM_XBUTTONDOWN:
button = {0x10000: X, 0x20000: X2}[struct.data]
event = ButtonEvent(type, button, t)
queue.put(event)
return CallNextHookEx(NULL, nCode, wParam, lParam)
WH_MOUSE_LL = c_int(14)
mouse_callback = LowLevelMouseProc(low_level_mouse_handler)
mouse_hook = SetWindowsHookEx(WH_MOUSE_LL, mouse_callback, NULL, NULL)
# Register to remove the hook when the interpreter exits. Unfortunately a
# try/finally block doesn't seem to work here.
atexit.register(UnhookWindowsHookEx, mouse_hook)
msg = LPMSG()
while not GetMessage(msg, NULL, NULL, NULL):
TranslateMessage(msg)
DispatchMessage(msg)
def _translate_button(button):
if button == X or button == X2:
return X, {X: 0x10000, X2: 0x20000}[button]
else:
return button, 0
def press(button=LEFT):
button, data = _translate_button(button)
code = simulated_mouse_codes[(DOWN, button)]
user32.mouse_event(code, 0, 0, data, 0)
def release(button=LEFT):
button, data = _translate_button(button)
code = simulated_mouse_codes[(UP, button)]
user32.mouse_event(code, 0, 0, data, 0)
def wheel(delta=1):
code = simulated_mouse_codes[(WHEEL, VERTICAL)]
user32.mouse_event(code, 0, 0, int(delta * WHEEL_DELTA), 0)
def move_to(x, y):
user32.SetCursorPos(int(x), int(y))
def move_relative(x, y):
user32.mouse_event(MOUSEEVENTF_MOVE, int(x), int(y), 0, 0)
class POINT(Structure):
_fields_ = [("x", c_long), ("y", c_long)]
def get_position():
point = POINT()
user32.GetCursorPos(byref(point))
return (point.x, point.y)
if __name__ == '__main__':
def p(e):
print(e)
listen(p)
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