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# Urwid CommandMap class
# Copyright (C) 2004-2007 Ian Ward
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# Urwid web site:
class CommandMap:
_command_defaults = {
'tab': 'next selectable',
'ctrl n': 'next selectable',
'shift tab': 'prev selectable',
'ctrl p': 'prev selectable',
'ctrl l': 'redraw screen',
'esc': 'menu',
'up': 'cursor up',
'down': 'cursor down',
'left': 'cursor left',
'right': 'cursor right',
'page up': 'cursor page up',
'page down': 'cursor page down',
'home': 'cursor max left',
'end': 'cursor max right',
' ': 'activate',
'enter': 'activate',
def __init__(self):
def restore_defaults(self):
self._command = dict(self._command_defaults)
def __getitem__(self, key):
return self._command.get(key, None)
def __setitem__(self, key, command):
self._command[key] = command
def __delitem__(self, key):
del self._command[key]
def clear_command(self, command):
dk = [k for k, v in self._command.items() if v == command]
for k in dk:
del self._command[key]
command_map = CommandMap() # shared command mappings