Files
squeekboard/examples/eekboard-inscript/inscript.py

197 lines
7.6 KiB
Python

#!/usr/bin/env python
# Copyright (C) 2011 Daiki Ueno <ueno@unixuser.org>
# Copyright (C) 2011 Red Hat, Inc.
# 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 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
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# 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., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301 USA
import gobject, gtk, eekboard, virtkey
import sys, os.path, re
KEYCODE_TABLE = {
'1': 10, '2': 11, '3': 12, '4': 13, '5': 14, '6': 15, '7': 16, '8': 17,
'9': 18, '0': 19, '-': 20, '=': 21, 'q': 24, 'w': 25, 'e': 26, 'r': 27,
't': 28, 'y': 29, 'u': 30, 'i': 31, 'o': 32, 'p': 33, '[': 34, ']': 35,
'a': 38, 's': 39, 'd': 40, 'f': 41, 'g': 42, 'h': 43, 'j': 44, 'k': 45,
'l': 46, ';': 47, '\'': 48, '`': 49, '\\': 51, 'z': 52, 'x': 53, 'c': 54,
'v': 55, 'b': 56, 'n': 57, 'm': 58, ',': 59, '.': 60, '/': 61
}
MARK_UPPER = '~!@#$%^&*()_+{}|:"<>?'
MARK_LOWER = '`1234567890-=[]\\;\',./'
class MapFile(object):
MAPENTRY_PATTERN = re.compile(r'\A\s*\((?:\((.*?)\)|"(.*?)")\s*"(.*?)"\)')
def __init__(self, path):
self.__dict = dict()
with open(path, 'r') as fp:
for line in fp:
match = re.match(self.MAPENTRY_PATTERN, line)
if match:
insert = match.group(3).decode('UTF-8')
if match.group(1):
keyseq = re.sub(r'\\(.)', r'\1', match.group(1))
self.__add_symbol_entry(keyseq, insert)
else:
keyseq = re.sub(r'\\(.)', r'\1', match.group(2))
self.__add_text_entry(keyseq, insert)
def get_entry_for_keycode(self, keycode):
return self.__dict.get(keycode)
def __add_entry(self, letter, level, insert):
if letter.isupper():
level |= 1
letter = letter.lower()
elif letter in MARK_UPPER:
level |= 1
letter = MARK_LOWER[MARK_UPPER.index(letter)]
keycode = KEYCODE_TABLE[letter]
if keycode not in self.__dict:
self.__dict[keycode] = list([None,None,None,None])
self.__dict[keycode][level] = insert
def __add_symbol_entry(self, symbol, insert):
level = 0
if symbol.startswith('G-'):
level |= 2
symbol = symbol[2:]
if not symbol.startswith('KP_'):
self.__add_entry(symbol, level, insert)
def __add_text_entry(self, text, insert):
self.__add_entry(text, 0, insert)
class Keyboard(gobject.GObject):
__gtype_name__ = "PYInscriptKeyboard"
__gsignals__ = {
'quit': (
gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
()),
}
def __init__(self, client_name, map_path, kbd_path):
self.__keyboard = self.__create_keyboard(map_path, kbd_path)
self.__eekboard = eekboard.Eekboard()
self.__context = self.__eekboard.create_context(client_name)
keyboard_id = self.__context.add_keyboard(self.__keyboard)
self.__context.set_keyboard(keyboard_id)
self.__keyboard.connect('key-pressed', self.__key_pressed_cb)
self.__keyboard.connect('key-released', self.__key_released_cb)
self.__virtkey = virtkey.virtkey()
self.__english = False
self.__eekboard.connect('destroyed', self.__destroyed_cb)
self.__context.connect('destroyed', self.__destroyed_cb)
self.__context.connect('notify::keyboard-visible', self.__notify_keyboard_visible_cb)
def __create_keyboard(self, map_path, kbd_path):
def __each_key(element, data):
keycode = element.get_keycode()
# keycode 37 is used to toggle English/Inscript
if keycode == 37:
matrix = eekboard.SymbolMatrix.new(2, 1)
keysym = eekboard.Keysym.new(0)
keysym.set_label("Ind")
keysym.set_category(eekboard.SymbolCategory.FUNCTION)
matrix.set_symbol(0, 0, keysym)
keysym = eekboard.Keysym.new(0)
keysym.set_label("Eng")
keysym.set_category(eekboard.SymbolCategory.FUNCTION)
matrix.set_symbol(1, 0, keysym)
element.set_symbol_matrix(matrix)
return
# group(0) is us keyboard
matrix = eekboard.SymbolMatrix.new(2, 4)
for l in xrange(4):
keysym = element.get_symbol_at_index(0, l, 0, 0)
matrix.set_symbol(0, l, keysym)
# group(1) is inscript keyboard
entry = data.get_entry_for_keycode(keycode)
for l in xrange(4):
if entry and entry[l]:
try:
keyval = gtk.gdk.unicode_to_keyval(ord(entry[l]))
keysym = eekboard.Keysym.new(keyval)
except:
keysym = eekboard.Keysym.new(0)
keysym.set_label(entry[l].encode('UTF-8'))
keysym.set_category(eekboard.SymbolCategory.LETTER)
print >> sys.stderr, "can't convert %s (%d) to keyval" % (entry[l], keycode)
else:
keysym = element.get_symbol_at_index(1, l, 0, 0)
matrix.set_symbol(1, l, keysym)
element.set_symbol_matrix(matrix)
def __each_section(element, data):
element.foreach_child(__each_key, data)
mapfile = MapFile(map_path)
keyboard = eekboard.XmlKeyboard(kbd_path,
eekboard.MODIFIER_BEHAVIOR_LATCH)
keyboard.foreach_child(__each_section, mapfile)
return keyboard
def __destroyed_cb(self, *args):
# self.emit('quit')
gtk.main_quit()
def __notify_keyboard_visible_cb(self, obj, pspec):
if not obj.get_property(pspec.name):
# self.emit('quit')
gtk.main_quit()
def enable(self):
self.__eekboard.push_context(self.__context)
def disable(self):
self.__eekboard.pop_context(self.__context)
def show(self):
self.__context.show_keyboard()
def set_group(self, group):
self.__group = group
self.__context.set_group(self.__group)
def __key_pressed_cb(self, keyboard, key):
if key.get_keycode() == 37:
return
symbol = key.get_symbol()
if isinstance(symbol, eekboard.Keysym):
xkeysym = symbol.get_xkeysym()
modifiers = self.__keyboard.get_modifiers()
self.__virtkey.latch_mod(modifiers)
self.__virtkey.press_keysym(xkeysym)
self.__virtkey.unlatch_mod(modifiers)
def __key_released_cb(self, keyboard, key):
if key.get_keycode() == 37:
if self.__english:
self.__context.set_group(self.__group)
self.__english = False
else:
self.__context.set_group(0)
self.__english = True
return
symbol = key.get_symbol()
if isinstance(symbol, eekboard.Keysym):
xkeysym = symbol.get_xkeysym()
self.__virtkey.release_keysym(xkeysym)