Generate inscript keyboard on-the-fly.
This commit is contained in:
Daiki Ueno
176
examples/eekboard-inscript/inscript.py
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176
examples/eekboard-inscript/inscript.py
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#!/usr/bin/env python
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# Copyright (C) 2011 Daiki Ueno <ueno@unixuser.org>
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# Copyright (C) 2011 Red Hat, Inc.
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public License
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# as published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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# This library is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301 USA
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import gtk, eekboard, virtkey
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import sys, os.path, re
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KEYCODE_TABLE = {
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'1': 10, '2': 11, '3': 12, '4': 13, '5': 14, '6': 15, '7': 16, '8': 17,
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'9': 18, '0': 19, '-': 20, '=': 21, 'q': 24, 'w': 25, 'e': 26, 'r': 27,
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't': 28, 'y': 29, 'u': 30, 'i': 31, 'o': 32, 'p': 33, '[': 34, ']': 35,
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'a': 38, 's': 39, 'd': 40, 'f': 41, 'g': 42, 'h': 43, 'j': 44, 'k': 45,
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'l': 46, ';': 47, '\'': 48, '`': 49, '\\': 51, 'z': 52, 'x': 53, 'c': 54,
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'v': 55, 'b': 56, 'n': 57, 'm': 58, ',': 59, '.': 60, '/': 61
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}
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MARK_UPPER = '~!@#$%^&*()_+{}|:"<>?'
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MARK_LOWER = '`1234567890-=[]\\;\',./'
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class MapFile(object):
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MAPENTRY_PATTERN = re.compile(r'\A\s*\((?:\((.*?)\)|"(.*?)")\s*"(.*?)"\)')
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def __init__(self, path):
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self.__dict = dict()
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with open(path, 'r') as fp:
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for line in fp:
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match = re.match(self.MAPENTRY_PATTERN, line)
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if match:
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insert = match.group(3).decode('UTF-8')
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if match.group(1):
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keyseq = re.sub(r'\\(.)', r'\1', match.group(1))
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self.__add_symbol_entry(keyseq, insert)
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else:
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keyseq = re.sub(r'\\(.)', r'\1', match.group(2))
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self.__add_text_entry(keyseq, insert)
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def get_entry_for_keycode(self, keycode):
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return self.__dict.get(keycode)
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def __add_entry(self, letter, level, insert):
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if letter.isupper():
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level |= 1
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letter = letter.lower()
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elif letter in MARK_UPPER:
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level |= 1
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letter = MARK_LOWER[MARK_UPPER.index(letter)]
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keycode = KEYCODE_TABLE[letter]
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if keycode not in self.__dict:
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self.__dict[keycode] = list([None,None,None,None])
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self.__dict[keycode][level] = insert
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def __add_symbol_entry(self, symbol, insert):
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level = 0
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if symbol.startswith('G-'):
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level |= 2
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symbol = symbol[2:]
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if not symbol.startswith('KP_'):
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self.__add_entry(symbol, level, insert)
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def __add_text_entry(self, text, insert):
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self.__add_entry(text, 0, insert)
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class Keyboard(object):
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def __init__(self, client_name, map_path, kbd_path):
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self.__keyboard = self.__create_keyboard(map_path, kbd_path)
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self.__eekboard = eekboard.Eekboard()
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self.__context = self.__eekboard.create_context(client_name)
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keyboard_id = self.__context.add_keyboard(self.__keyboard)
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self.__context.set_keyboard(keyboard_id)
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self.__keyboard.connect('key-pressed', self.__key_pressed_cb)
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self.__keyboard.connect('key-released', self.__key_released_cb)
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self.__virtkey = virtkey.virtkey()
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self.__english = False
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self.__eekboard.connect('destroyed', self.__destroyed_cb)
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def __create_keyboard(self, map_path, kbd_path):
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def __each_key(element, data):
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keycode = element.get_keycode()
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# keycode 37 is used to toggle English/Inscript
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if keycode == 37:
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matrix = eekboard.SymbolMatrix.new(2, 1)
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keysym = eekboard.Keysym.new(65507)
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keysym.set_label("Ind")
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matrix.set_symbol(0, 0, keysym)
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keysym = eekboard.Keysym.new(65507)
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keysym.set_label("Eng")
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matrix.set_symbol(1, 0, keysym)
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element.set_symbol_matrix(matrix)
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return
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# group(0) is us keyboard
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matrix = eekboard.SymbolMatrix.new(2, 4)
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for l in xrange(4):
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keysym = element.get_symbol_at_index(0, l, 0, 0)
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matrix.set_symbol(0, l, keysym)
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# group(1) is inscript keyboard
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entry = data.get_entry_for_keycode(keycode)
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for l in xrange(4):
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keysym = None
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if entry and entry[l]:
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try:
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keyval = gtk.gdk.unicode_to_keyval(ord(entry[l]))
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keysym = eekboard.Keysym.new(keyval)
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except:
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print >> sys.stderr, "can't convert %s to keyval" % entry[l]
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if not keysym:
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keysym = element.get_symbol_at_index(1, l, 0, 0)
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matrix.set_symbol(1, l, keysym)
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element.set_symbol_matrix(matrix)
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def __each_section(element, data):
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element.foreach_child(__each_key, data)
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mapfile = MapFile(map_path)
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keyboard = eekboard.XmlKeyboard(kbd_path,
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eekboard.MODIFIER_BEHAVIOR_LATCH)
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keyboard.foreach_child(__each_section, mapfile)
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return keyboard
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def __destroyed_cb(self, eekboard):
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gtk.main_quit()
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def enable(self):
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self.__eekboard.push_context(self.__context)
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def disable(self):
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self.__eekboard.pop_context(self.__context)
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def show(self):
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self.__context.show_keyboard()
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def set_group(self, group):
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self.__group = group
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self.__context.set_group(self.__group)
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def __key_pressed_cb(self, keyboard, key):
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if key.get_keycode() == 37:
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return
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symbol = key.get_symbol()
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if isinstance(symbol, eekboard.Keysym):
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xkeysym = symbol.get_xkeysym()
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modifiers = self.__keyboard.get_modifiers()
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self.__virtkey.latch_mod(modifiers)
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self.__virtkey.press_keysym(xkeysym)
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self.__virtkey.unlatch_mod(modifiers)
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def __key_released_cb(self, keyboard, key):
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if key.get_keycode() == 37:
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if self.__english:
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self.__context.set_group(self.__group)
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self.__english = False
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else:
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self.__context.set_group(0)
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self.__english = True
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return
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symbol = key.get_symbol()
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if isinstance(symbol, eekboard.Keysym):
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xkeysym = symbol.get_xkeysym()
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self.__virtkey.release_keysym(xkeysym)
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