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50 lines
1.9 KiB
Python
50 lines
1.9 KiB
Python
10 years ago
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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 EvDevKb(bureau.Bureau):
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"""Converts keyboard, barcode scanner, etc. input to messages """
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def __init__(self, name):
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Bureau.__init__(self, name)
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devices = map(evdev.InputDevice, evdev.list_devices())
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self.inputs = []
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# add anything that smells like a keyboard and grab focus
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for dev in devices:
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if evdev.ecodes.KEY_A in dev.capabilities()[evdev.ecodes.EV_KEY]:
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dev.grab()
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self.inputs.append(dev)
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def run_io(self):
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val = ""
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#TODO: this is crap, needs to be multi-threaded and have one
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# such loop for each input
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for ev in inputs[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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val = ""
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else:
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try:
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val += KEYS[data.scancode]
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except KeyError:
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print("Error invalid keycode:", data.scancode)
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if __name__ == "__main__":
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evd = EvDevKb("evdevkb")
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evd.run()
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