rawinput.py 文件源码

def keyNameToKeyCode(keyName):
    """
    Use GDK to get the keycode for a given keystring.

    Note that the keycode returned by this function is often incorrect when
    the requested keystring is obtained by holding down the Shift key.

    Generally you should use uniCharToKeySym() and should only need this
    function for nonprintable keys anyway.
    """
    keymap = Gdk.Keymap.get_for_display(Gdk.Display.get_default())
    entries = keymap.get_entries_for_keyval(
        Gdk.keyval_from_name(keyName))
    try:
        return entries[1][0].keycode
    except TypeError:
        pass