79fbeab067
svn: r16602
314 lines
9.9 KiB
Python
314 lines
9.9 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2005-2006 Donald N. Allingham
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# $Id$
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"""
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Provide an interface to the gtkspell interface. This requires
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python-gnome-extras package. If the gtkspell package is not
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present, we default to no spell checking.
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"""
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#-------------------------------------------------------------------------
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#
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# Python classes
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#
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#-------------------------------------------------------------------------
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from gen.ggettext import gettext as _
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import locale
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#-------------------------------------------------------------------------
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#
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# Set up logging
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#
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#-------------------------------------------------------------------------
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import logging
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LOG = logging.getLogger(".Spell")
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#-------------------------------------------------------------------------
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#
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# GTK libraries
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#
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#-------------------------------------------------------------------------
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import gtk
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try:
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import enchant
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HAVE_ENCHANT = True
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except ImportError:
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HAVE_ENCHANT = False
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try:
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import gtkspell
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HAVE_GTKSPELL = True
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except ImportError:
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HAVE_GTKSPELL = False
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if not HAVE_GTKSPELL:
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LOG.warn(_("Spelling checker is not installed"))
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#-------------------------------------------------------------------------
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#
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# GRAMPS classes
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#
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#-------------------------------------------------------------------------
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import config
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#-------------------------------------------------------------------------
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#
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# Constants
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#
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#-------------------------------------------------------------------------
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# All official dictionaries available for GNU Aspell.
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# ftp://ftp.gnu.org/gnu/aspell/dict/0index.html
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LANGUAGES = {
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'af': _('Afrikaans'),
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'am': _('Amharic'),
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'ar': _('Arabic'),
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'az': _('Azerbaijani'),
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'be': _('Belarusian'),
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'bg': _('Bulgarian'),
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'bn': _('Bengali'),
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'br': _('Breton'),
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'ca': _('Catalan'),
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'cs': _('Czech'),
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'csb': _('Kashubian'),
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'cy': _('Welsh'),
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'da': _('Danish'),
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'de': _('German'),
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'de-alt': _('German - Old Spelling'),
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'el': _('Greek'),
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'en': _('English'),
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'eo': _('Esperanto'),
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'es': _('Spanish'),
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'et': _('Estonian'),
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'fa': _('Persian'),
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'fi': _('Finnish'),
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'fo': _('Faroese'),
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'fr': _('French'),
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'fy': _('Frisian'),
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'ga': _('Irish'),
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'gd': _('Scottish Gaelic'),
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'gl': _('Galician'),
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'gu': _('Gujarati'),
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'gv': _('Manx Gaelic'),
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'he': _('Hebrew'),
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'hi': _('Hindi'),
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'hil': _('Hiligaynon'),
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'hr': _('Croatian'),
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'hsb': _('Upper Sorbian'),
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'hu': _('Hungarian'),
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'hy': _('Armenian'),
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'ia': _('Interlingua'),
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'id': _('Indonesian'),
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'is': _('Icelandic'),
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'it': _('Italian'),
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'ku': _('Kurdi'),
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'la': _('Latin'),
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'lt': _('Lithuanian'),
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'lv': _('Latvian'),
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'mg': _('Malagasy'),
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'mi': _('Maori'),
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'mk': _('Macedonian'),
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'mn': _('Mongolian'),
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'mr': _('Marathi'),
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'ms': _('Malay'),
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'mt': _('Maltese'),
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'nb': _('Norwegian Bokmal'),
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'nds': _('Low Saxon'),
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'nl': _('Dutch'),
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'nn': _('Norwegian Nynorsk'),
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'ny': _('Chichewa'),
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'or': _('Oriya'),
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'pa': _('Punjabi'),
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'pl': _('Polish'),
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'pt': _('Portuguese'),
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'pt_BR': _('Brazilian Portuguese'),
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'pt_PT': _('Portuguese'),
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'qu': _('Quechua'),
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'ro': _('Romanian'),
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'ru': _('Russian'),
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'rw': _('Kinyarwanda'),
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'sc': _('Sardinian'),
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'sk': _('Slovak'),
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'sl': _('Slovenian'),
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'sr': _('Serbian'),
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'sv': _('Swedish'),
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'sw': _('Swahili'),
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'ta': _('Tamil'),
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'te': _('Telugu'),
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'tet': _('Tetum'),
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'tl': _('Tagalog'),
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'tn': _('Setswana'),
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'tr': _('Turkish'),
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'uk': _('Ukrainian'),
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'uz': _('Uzbek'),
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'vi': _('Vietnamese'),
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'wa': _('Walloon'),
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'yi': _('Yiddish'),
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'zu': _('Zulu'),
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}
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class Spell(object):
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"""Attach a gtkspell instance to the passed TextView instance.
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"""
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lang = locale.getlocale()[0] or "en"
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_installed_languages = {'off': _('None')}
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if HAVE_ENCHANT and HAVE_GTKSPELL:
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#gtkspell depends on enchant but has no api to query the installed
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#languages. Hence, we use enchant to do this if available.
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for language in enchant.list_languages():
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try:
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name = LANGUAGES[language]
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except KeyError:
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name = language
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if name == language:
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parts = name.split('_')
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if len(parts) == 2:
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try:
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name = LANGUAGES[parts[0]]
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name += ': ' + parts[1]
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except KeyError:
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pass
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_installed_languages[language] = " ".join(name.split('_'))
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elif not HAVE_ENCHANT and HAVE_GTKSPELL:
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# if lang is None, default to en:
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tested = False
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#we try a hack to get the locale language.
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for (lang_code, lang_name) in LANGUAGES.items():
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# if this lang is the current locale:
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if (lang == lang_code):
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tested = True
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# if it is english, we know it works:
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if lang == "en":
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_installed_languages[lang] = lang_name
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print _("Warning: spelling checker language limited to "
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"locale 'en'; install pyenchant/python-enchant "
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"for better options.")
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elif locale.getlocale()[1] == "UTF8":
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# Only worked with UTF8 versions of language.
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# But, we need to test it:
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try:
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#work around gtkspell bug with tv
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tv = gtk.TextView()
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gtkspell.Spell(tv).set_language(lang_code)
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_installed_languages[lang_code] = lang_name
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print _("Warning: spelling checker language limited to "
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"locale '%s'; install pyenchant/python-enchant "
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"for better options.") % lang
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except:
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# FIXME: this does not work anymore since 10/2008!!!
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# if pyenchant is installed we can avoid it, otherwise
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# perhaps future gtkspell3 will offer a solution.
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print _("Warning: spelling checker disabled; "
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"install pyenchant/python-enchant to enable.")
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# if we matched, we're done looking
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break
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if not tested:
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# if we didn't see a match on lang, then there is no spell check
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print _("Warning: spelling checker disabled; "
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"install pyenchant/python-enchant to enable.")
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def __init__(self, textview):
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self.textview = textview
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if self.lang and config.get('behavior.spellcheck'):
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# if LANG is not a correct key (pt_BR or pt_PT),
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# try only the language part of LANG
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if self.lang not in self._installed_languages:
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self.lang = self.lang.split('_')[0]
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# if this still doesn't work we fall back to 'off'
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if self.lang not in self._installed_languages:
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self.lang = 'off'
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else:
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self.lang = 'off'
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self._active_language = 'off'
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self.__real_set_active_language(self.lang)
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# Private
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def __real_set_active_language(self, lang_code):
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"""Set the active language by it's code."""
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if self._active_language == 'off':
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if lang_code == 'off':
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return
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else:
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gtkspell_spell = gtkspell.Spell(self.textview)
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else:
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gtkspell_spell = gtkspell.get_from_text_view(self.textview)
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if lang_code == 'off':
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gtkspell_spell.detach()
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self._active_language = lang_code
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return
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try:
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gtkspell_spell.set_language(lang_code)
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self._active_language = lang_code
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except RuntimeError:
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#This catches error with old gtkspell versions that generate
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#this exception if dict cannot be loaded.
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gtkspell_spell.detach()
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self._active_language = 'off'
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# Public API
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def get_all_languages(self):
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"""Get the list of installed language names."""
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langs = self._installed_languages.values()
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langs.sort(sort_languages)
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return langs
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def set_active_language(self, language):
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"""Set active language by it's name."""
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for code, name in self._installed_languages.items():
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if name == language:
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self.__real_set_active_language(code)
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return
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def get_active_language(self):
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"""Get the name of the active language."""
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return self._installed_languages[self._active_language]
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#-------------------------------------------------------------------------
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#
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# sort_languages
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#
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#-------------------------------------------------------------------------
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def sort_languages(lang_a, lang_b):
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"""Put language names in alphabetical order.
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Except 'None', which should be always the first.
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"""
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if lang_a == _('None'):
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return -1
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if lang_b == _('None'):
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return 1
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if lang_a < lang_b:
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return -1
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if lang_a > lang_b:
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return 1
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return 0
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