127 lines
No EOL
5.1 KiB
Python
127 lines
No EOL
5.1 KiB
Python
# -*- coding: utf-8 -*-
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#*****************************************************************************
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# Copyright (C) 2003-2006 Gary Bishop.
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# Copyright (C) 2006 Jorgen Stenarson. <jorgen.stenarson@bostream.nu>
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#
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# Distributed under the terms of the BSD License. The full license is in
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# the file COPYING, distributed as part of this software.
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#*****************************************************************************
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# table for translating virtual keys to X windows key symbols
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try:
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set
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except NameError:
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from sets import Set as set
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from pyreadline.unicode_helper import ensure_unicode
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validkey =set([u'cancel', u'backspace', u'tab', u'clear',
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u'return', u'shift_l', u'control_l', u'alt_l',
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u'pause', u'caps_lock', u'escape', u'space',
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u'prior', u'next', u'end', u'home',
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u'left', u'up', u'right', u'down',
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u'select', u'print', u'execute', u'snapshot',
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u'insert', u'delete', u'help', u'f1',
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u'f2', u'f3', u'f4', u'f5',
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u'f6', u'f7', u'f8', u'f9',
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u'f10', u'f11', u'f12', u'f13',
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u'f14', u'f15', u'f16', u'f17',
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u'f18', u'f19', u'f20', u'f21',
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u'f22', u'f23', u'f24', u'num_lock',
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u'scroll_lock', u'vk_apps', u'vk_processkey',u'vk_attn',
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u'vk_crsel', u'vk_exsel', u'vk_ereof', u'vk_play',
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u'vk_zoom', u'vk_noname', u'vk_pa1', u'vk_oem_clear',
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u'numpad0', u'numpad1', u'numpad2', u'numpad3',
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u'numpad4', u'numpad5', u'numpad6', u'numpad7',
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u'numpad8', u'numpad9', u'divide', u'multiply',
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u'add', u'subtract', u'vk_decimal'])
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escape_sequence_to_special_key = {u"\\e[a" : u"up", u"\\e[b" : u"down", u"del" : u"delete"}
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class KeyPress(object):
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def __init__(self, char=u"", shift=False, control=False, meta=False, keyname=u""):
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if control or meta or shift:
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char = char.upper()
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self.info = dict(char=char,
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shift=shift,
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control=control,
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meta=meta,
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keyname=keyname)
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def create(name):
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def get(self):
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return self.info[name]
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def set(self, value):
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self.info[name] = value
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return property(get, set)
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char = create(u"char")
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shift = create(u"shift")
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control = create(u"control")
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meta = create(u"meta")
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keyname = create(u"keyname")
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def __repr__(self):
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return u"(%s,%s,%s,%s)"%tuple(map(ensure_unicode, self.tuple()))
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def tuple(self):
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if self.keyname:
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return (self.control, self.meta, self.shift, self.keyname)
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else:
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if self.control or self.meta or self.shift:
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return (self.control, self.meta, self.shift, self.char.upper())
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else:
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return (self.control, self.meta, self.shift, self.char)
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def __eq__(self, other):
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if isinstance(other, KeyPress):
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s = self.tuple()
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o = other.tuple()
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return s == o
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else:
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return False
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def make_KeyPress_from_keydescr(keydescr):
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keyinfo = KeyPress()
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if len(keydescr) > 2 and keydescr[:1] == u'"' and keydescr[-1:] == u'"':
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keydescr = keydescr[1:-1]
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while 1:
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lkeyname = keydescr.lower()
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if lkeyname.startswith(u'control-'):
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keyinfo.control = True
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keydescr = keydescr[8:]
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elif lkeyname.startswith(u'ctrl-'):
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keyinfo.control = True
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keydescr = keydescr[5:]
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elif keydescr.lower().startswith(u'\\c-'):
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keyinfo.control = True
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keydescr = keydescr[3:]
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elif keydescr.lower().startswith(u'\\m-'):
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keyinfo.meta = True
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keydescr = keydescr[3:]
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elif keydescr in escape_sequence_to_special_key:
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keydescr = escape_sequence_to_special_key[keydescr]
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elif lkeyname.startswith(u'meta-'):
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keyinfo.meta = True
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keydescr = keydescr[5:]
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elif lkeyname.startswith(u'alt-'):
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keyinfo.meta = True
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keydescr = keydescr[4:]
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elif lkeyname.startswith(u'shift-'):
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keyinfo.shift = True
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keydescr = keydescr[6:]
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else:
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if len(keydescr) > 1:
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if keydescr.strip().lower() in validkey:
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keyinfo.keyname = keydescr.strip().lower()
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keyinfo.char = ""
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else:
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raise IndexError(u"Not a valid key: '%s'"%keydescr)
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else:
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keyinfo.char = keydescr
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return keyinfo
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if __name__ == u"__main__":
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import startup
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