diff options
Diffstat (limited to 'extensions/cpsection/keyboard/model.py')
| -rw-r--r-- | extensions/cpsection/keyboard/model.py | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/extensions/cpsection/keyboard/model.py b/extensions/cpsection/keyboard/model.py new file mode 100644 index 0000000..1f92973 --- /dev/null +++ b/extensions/cpsection/keyboard/model.py @@ -0,0 +1,169 @@ +# Copyright (C) 2009 OLPC +# Author: Sayamindu Dasgupta <sayamindu@laptop.org> +# +# This program 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; either version 2 of the License, or +# (at your option) any later version. +# +# This program 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 this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# + +import xklavier +import gconf + + +_GROUP_NAME = 'grp' # The XKB name for group switch options + +_LAYOUTS_KEY = '/desktop/sugar/peripherals/keyboard/layouts' +_OPTIONS_KEY = '/desktop/sugar/peripherals/keyboard/options' +_MODEL_KEY = '/desktop/sugar/peripherals/keyboard/model' + + +class KeyboardManager(object): + def __init__(self, display): + self._engine = xklavier.Engine(display) + self._configregistry = xklavier.ConfigRegistry(self._engine) + self._configregistry.load(False) + self._configrec = xklavier.ConfigRec() + self._configrec.get_from_server(self._engine) + + self._gconf_client = gconf.client_get_default() + + def _populate_one(self, config_registry, item, store): + store.append([item.get_description(), item.get_name()]) + + def _populate_two(self, config_registry, item, subitem, store): + layout = item.get_name() + if subitem: + description = '%s, %s' % (subitem.get_description(), \ + item.get_description()) + variant = subitem.get_name() + else: + description = 'Default layout, %s' % item.get_description() + variant = '' + + store.append([description, ('%s(%s)' % (layout, variant))]) + + def get_models(self): + """Return list of supported keyboard models""" + models = [] + self._configregistry.foreach_model(self._populate_one, models) + models.sort() + return models + + def get_languages(self): + """Return list of supported keyboard languages""" + languages = [] + self._configregistry.foreach_language(self._populate_one, languages) + languages.sort() + return languages + + def get_layouts_for_language(self, language): + """Return list of supported keyboard layouts for a given language""" + layouts = [] + self._configregistry.foreach_language_variant(language, \ + self._populate_two, layouts) + layouts.sort() + return layouts + + def get_options_group(self): + """Return list of supported options for switching keyboard group""" + options = [] + self._configregistry.foreach_option(_GROUP_NAME, self._populate_one, + options) + options.sort() + return options + + def get_current_model(self): + """Return the enabled keyboard model""" + model = self._gconf_client.get_string(_MODEL_KEY) + if model: + return model + else: + model = self._configrec.get_model() + self.set_model(model) + return model + + def get_current_layouts(self): + """Return the enabled keyboard layouts with variants""" + layouts = self._gconf_client.get_list(_LAYOUTS_KEY, gconf.VALUE_STRING) + if layouts: + return layouts + + layouts = self._configrec.get_layouts() + variants = self._configrec.get_variants() + + layout_list = [] + i = 0 + for layout in layouts: + if len(variants) <= i or variants[i] == '': + layout_list.append('%s(%s)' % (layout, '')) + else: + layout_list.append('%s(%s)' % (layout, variants[i])) + i += 1 + + self.set_layouts(layout_list) + + return layout_list + + def get_current_option_group(self): + """Return the enabled option for switching keyboard group""" + options = self._gconf_client.get_list(_OPTIONS_KEY, gconf.VALUE_STRING) + + if not options: + options = self._configrec.get_options() + self.set_option_group(options) + + for option in options: + if option.startswith(_GROUP_NAME): + return option + + return None + + def get_max_layouts(self): + """Return the maximum number of layouts supported simultaneously""" + return self._engine.get_max_num_groups() + + def set_model(self, model): + """Sets the supplied keyboard model""" + if model is None or not model: + return + self._gconf_client.set_string(_MODEL_KEY, model) + self._configrec.set_model(model) + self._configrec.activate(self._engine) + + def set_option_group(self, option_group): + """Sets the supplied option for switching keyboard group""" + #XXX: Merge, not overwrite previous options + if not option_group: + options = [''] + elif isinstance(option_group, list): + options = option_group + else: + options = [option_group] + self._gconf_client.set_list(_OPTIONS_KEY, gconf.VALUE_STRING, options) + self._configrec.set_options(options) + self._configrec.activate(self._engine) + + def set_layouts(self, layouts): + """Sets the supplied keyboard layouts (with variants)""" + if layouts is None or not layouts: + return + self._gconf_client.set_list(_LAYOUTS_KEY, gconf.VALUE_STRING, layouts) + layouts_list = [] + variants_list = [] + for layout in layouts: + layouts_list.append(layout.split('(')[0]) + variants_list.append(layout.split('(')[1][:-1]) + + self._configrec.set_layouts(layouts_list) + self._configrec.set_variants(variants_list) + self._configrec.activate(self._engine) |