gajim-plural/src/gtkspell.py

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## src/gtkspell.py
##
## (C) 2008 Thorsten P. 'dGhvcnN0ZW5wIEFUIHltYWlsIGNvbQ==\n'.decode("base64")
## (C) 2015 Yann Leboulanger <asterix AT lagaule.org>
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##
## This file is part of Gajim.
##
## Gajim 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 only.
##
## Gajim 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 Gajim. If not, see <http://www.gnu.org/licenses/>.
from gi.repository import GObject
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from gi.repository import Gtk
import gi
gi.require_version('GtkSpell', '3.0')
from gi.repository import GtkSpell
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def ensure_attached(func):
def f(self, *args, **kwargs):
if self.spell:
func(self, *args, **kwargs)
else:
raise RuntimeError("Spell object is already detached")
return f
class Spell(GObject.GObject):
__gsignals__ = {
'language_changed': (GObject.SignalFlags.RUN_FIRST, None, (str,))
}
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def __init__(self, textview, language=None, create=True, jid=None,
per_type=None):
GObject.GObject.__init__(self)
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if not isinstance(textview, Gtk.TextView):
raise TypeError("Textview must be derived from Gtk.TextView")
spell = GtkSpell.Checker.get_from_text_view(textview)
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if create:
if spell:
raise RuntimeError("Textview has already a Spell obj attached")
self.spell = GtkSpell.Checker.new()
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if not self.spell:
raise OSError("Unable to create spell object.")
if not self.spell.attach(textview):
raise OSError("Unable to attach spell object.")
if not self.spell.set_language(language):
raise OSError("Unable to set language: '%s'" % language)
self.spell.connect('language-changed', self.on_language_changed)
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else:
if spell:
self.spell = spell
else:
raise RuntimeError("Textview has no Spell object attached")
def on_language_changed(self, spell, lang):
self.emit('language_changed', lang)
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@ensure_attached
def set_language(self, language):
if not self.spell.set_language(language):
raise OSError("Unable to set language: '%s'" % language)
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@ensure_attached
def recheck_all(self):
self.spell.recheck_all()
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@ensure_attached
def detach(self):
self.spell.detach()
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self.spell = None
GObject.type_register(Spell)
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def get_from_text_view(textview):
return Spell(textview, create=False)