def __init__(self, device=None):
"""
device: /dev/input/eventX, default: all keyboard.
"""
self._hotkey_list = []
self._hotkey_seq_dict = {}
self.devices = []
mouses, kbms = libkbm.getkbm()
if len(kbms) <= 0:
raise HotKeyError("没有发现至少一个键盘。")
if device is None:
self.kbms = kbms
else:
if device not in kbms:
raise ValueError(f"{device} 不是键盘设备。")
else:
self.kbms = device
self.LISTEN = 1
self.REPLACE = 2
self._mode = self.LISTEN
# 把device注册到selectors
self._selector = DefaultSelector()
self._fileobjs = []
for device in self.kbms:
fd = open(device, "rb")
devfd = Device(fd)
self._selector.register(devfd.fd, EVENT_READ, devfd)
self._fileobjs.append(fd)
def disableMouse():
"""
通过 grab() 禁用鼠标。
"""
mouses, keyboards = libkbm.getkbm()
for name in mouses:
logger.info("禁用鼠标: {}".format(name))
libkbm.disableDevice(name)
if e.matches(ev.EV_KEY.KEY_LEFTALT, value=1):
print(time.asctime(), "matches LEFTALT down")
key_prefix_flag = True
elif e.matches(ev.EV_KEY.KEY_LEFTALT, value=0):
print(time.asctime(), "matches LEFTALT up")
key_prefix_flag = False
else:
return False
return True
s = registers(libkbm.getkbm())
while True:
for fd, _ in s.select():
try:
events = fd.data.events()
except ev.EventsDroppedException:
print("eventsDroppedException:")
for err in ev.sync():
print("except:", err)
continue
for e in events:
if e.matches(ev.EV_KEY):
if listenhotkey(e):
pass
def registers(kbms):
selector = selectors.DefaultSelector()
for kbm in kbms:
print("加入：", kbm)
fd = os.open(kbm, os.O_NONBLOCK | os.O_RDONLY)
fdobj = open(fd, "rb")
#fcntl.fcntl(fd, fcntl.F_SETFL, os.O_NONBLOCK)
device = Device(fdobj)
selector.register(device.fd, selectors.EVENT_READ, data=device)
return selector
mouses, keyboards = libkbm.getkbm()
s = registers(mouses + keyboards)
while True:
#print("while 里面")
for fd, event in s.select():
#print("for select() 里面")
try:
for e in fd.data.events():
#print("for events() 里面")
if e.matches(ev.EV_KEY):
print(e)
else:
print("======= 不是key事件：=======", e)
except ev.EventsDroppedException: