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103 lines
3.9 KiB
Python
103 lines
3.9 KiB
Python
import evdev
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from bureau import Bureau
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KEYS = {
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0: None, 1: u'ESC', 2: u'1', 3: u'2', 4: u'3', 5: u'4', 6: u'5', 7: u'6', 8: u'7', 9: u'8',
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10: u'9', 11: u'0', 12: u'-', 13: u'=', 14: u'\b', 15: u'\t', 16: u'q', 17: u'w', 18: u'e', 19: u'r',
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20: u't', 21: u'y', 22: u'u', 23: u'i', 24: u'o', 25: u'p', 26: u'[', 27: u']', 28: u'\n', 29: u'LCTRL',
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30: u'a', 31: u's', 32: u'd', 33: u'f', 34: u'g', 35: u'h', 36: u'j', 37: u'k', 38: u'l', 39: u';',
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40: u'"', 41: u'`', 42: u'LSHFT', 43: u'\\', 44: u'z', 45: u'x', 46: u'c', 47: u'v', 48: u'b', 49: u'n',
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50: u'm', 51: u',', 52: u'.', 53: u'/', 54: u'RSHFT', 56: u'LALT', 100: u'RALT'
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}
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class TypingPool(Bureau):
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"""
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The typing pool is the bureau that converts keyboard, barcode scanner, etc.
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input to messages and sends them to the responsible bureau.
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"""
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name = "Typing Pool"
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prefix = "TY"
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version = 0
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def __init__(self):
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Bureau.__init__(self)
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devices = map(evdev.InputDevice, evdev.list_devices())
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self.devices = []
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self.active_devices = []
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devindex = {}
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# add anything that smells like a keyboard
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for dev in devices:
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devkey = format(dev.info.vendor, '04x') + ":" +\
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format(dev.info.product, '04x')
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devindex[devkey] = dev
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try:
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if evdev.ecodes.KEY_A in dev.capabilities()[evdev.ecodes.EV_KEY]:
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print("usb device:", dev.info)
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print(dev.fn)
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self.devices.append(dev)
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except KeyError as err:
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print("ignoring non-keyboard device: " + str(dev))
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# if we don't have any active KB so tell the user to config one
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if "active" in self.config:
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# self.active_devices = list(map(evdev.InputDevice,
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# self.config["active"]["devices"].split()))
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cfg_devs = self.config["active"]["devices"].split()
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print("trying to grab keyboard devs:", cfg_devs)
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print("device index", devindex)
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for dev in cfg_devs:
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if dev in devindex:
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self.active_devices.append(devindex[dev])
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else:
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print("you need to configure input hardware!")
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print("add one of the following devices to TY.ini under [active]")
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print(" devices = 0c45:7403 ")
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print("available keyboard devices:")
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for dev in self.devices:
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print(dev.fn, ":", dev.name,
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format(dev.info.vendor, '04x') + ":" +
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format(dev.info.product, '04x'))
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def run_io(self):
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val = ""
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upper = False
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#TODO: this is crap, needs to be multi-threaded and have one
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# such loop for each active device
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self.active_devices[0].grab()
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# TODO: this is a bit messy / complex. break into one more function.
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for ev in self.active_devices[0].read_loop():
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if ev.type == evdev.ecodes.EV_KEY:
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data = evdev.categorize(ev)
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if data.keystate == 1:
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if data.scancode == 28:
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print("sending barcode:", val)
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self.send(val[0:2], val[2:])
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val = ""
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else:
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try:
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new_key = KEYS[data.scancode]
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if new_key == "LSHFT" or new_key == "RSHFT":
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upper = True
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else:
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if upper:
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new_key = new_key.upper()
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upper = False
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val += new_key
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except KeyError:
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print("Error invalid keycode:", data.scancode)
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def main():
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evd = TypingPool()
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evd.run()
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if __name__ == "__main__":
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evd = TypingPool()
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evd.run()
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