rawinput.py 文件源码

def keyNameToKeySym(keyName):
    keyName = keyNameAliases.get(keyName.lower(), keyName)
    keySym = Gdk.keyval_from_name(keyName)
    # various error 'codes' returned for non-recognized chars in versions of GTK3.X
    if keySym == 0xffffff or keySym == 0x0 or keySym is None:
        try:
            keySym = uniCharToKeySym(keyName)
        except:  # not even valid utf-8 char
            try:  # Last attempt run at a keyName ('Meta_L', 'Dash' ...)
                keySym = getattr(Gdk, 'KEY_' + keyName)
            except AttributeError:
                raise KeyError(keyName)
    return keySym