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| -rw-r--r-- | src/keyboard.py | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/keyboard.py b/src/keyboard.py new file mode 100644 index 00000000..c9836250 --- /dev/null +++ b/src/keyboard.py @@ -0,0 +1,60 @@ +#!/usr/bin/python +# -*- coding:utf-8 -*- +# +# Copyright 2010 Le Coz Florent <louizatakk@fedoraproject.org> +# +# This file is part of Poezio. +# +# Poezio is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, version 3 of the License. +# +# Poezio is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with Poezio. If not, see <http://www.gnu.org/licenses/>. + +""" +Functions to interact with the keyboard +Mainly, read keys entered and return a string (most +of the time ONE char, but may be longer if it's a keyboard +shortcut, like ^A or KEY_RESIZE) +""" + +def get_next_byte(s): + """ + Read the next byte of the utf-8 char + """ + c = s.getkey() + if len(c) > 4: + return (None, c) + return (ord(c), c) + +def read_char(s): + """ + Read one utf-8 char + see http://en.wikipedia.org/wiki/UTF-8#Description + """ + (first, char) = get_next_byte(s) + if first == None: # Keyboard special, like KEY_HOME etc + return char + if first <= 127: # ASCII char on one byte + if first <= 26: # transform Ctrl+* keys + char = "^"+chr(first + 64) + if first == 27: + (_, c) = get_next_byte(s) + char = "M-"+c + return char + if 194 <= first: + (code, c) = get_next_byte(s) # 2 bytes char + char += c + if 224 <= first: + (code, c) = get_next_byte(s) # 3 bytes char + char += c + if 240 <= code: + (code, c) = get_next_byte(s) # 4 bytes char + char += c + return char |