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# Copyright (c) 2012 Red Hat, Inc.
# Authors:
# Rui Matos
# SPDX-License-Identifier: GPL-3.0+
# License-Filename: LICENSES/GPL-3.0
import logging
import gi
gi.require_version("GnomeDesktop", "3.0")
from gi.repository import Gtk, GnomeDesktop
from gtweak.tweakmodel import Tweak, TweakGroup
from gtweak.widgets import GSettingsSwitchTweak, build_label_beside_widget, GSettingsComboEnumTweak, GSettingsComboTweak, build_horizontal_sizegroup, ListBoxTweakGroup
from gtweak.gsettings import GSettingsSetting, GSettingsMissingError
class _XkbOption(Gtk.Expander, Tweak):
def __init__(self, group_id, parent_settings, xkb_info, **options):
try:
desc = xkb_info.description_for_group(group_id)
except AttributeError:
desc = group_id
Gtk.Expander.__init__(self)
Tweak.__init__(self, desc, desc, **options)
self.set_label(self.name)
vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=3)
vbox.set_margin_start(15)
self.add(vbox)
self._multiple_selection = not group_id in { 'keypad', 'kpdl', 'caps', 'altwin', 'nbsp', 'esperanto' }
self._group_id = group_id
self._parent_settings = parent_settings
self._xkb_info = xkb_info
self._possible_values = []
model_values = []
if not self._multiple_selection:
model_values.append((None, _("Disabled")))
for option_id in self._xkb_info.get_options_for_group(group_id):
desc = self._xkb_info.description_for_option(group_id, option_id)
model_values.append((option_id, desc))
self._possible_values.append(option_id)
def values_cmp_py3_wrap(f):
''' https://docs.python.org/3/howto/sorting.html#the-old-way-using-the-cmp-parameter '''
class C:
def __init__(self, obj, *args):
self.obj = obj
def __lt__(self, other):
return f(self.obj, other.obj) < 0
def __gt__(self, other):
return f(self.obj, other.obj) > 0
def __eq__(self, other):
return f(self.obj, other.obj) == 0
def __le__(self, other):
return f(self.obj, other.obj) <= 0
def __ge__(self, other):
return f(self.obj, other.obj) >= 0
def __ne__(self, other):
return f(self.obj, other.obj) != 0
return C
def values_cmp(xxx_todo_changeme, xxx_todo_changeme1):
(av, ad) = xxx_todo_changeme
(bv, bd) = xxx_todo_changeme1
if not av:
return -1
elif not bv:
return 1
else:
return (ad > bd) - (ad < bd)
model_values.sort(key=values_cmp_py3_wrap(values_cmp))
self._widgets = dict()
for (val, name) in model_values:
w = None
if self._multiple_selection:
w = Gtk.CheckButton.new()
else:
w = Gtk.RadioButton.new_from_widget(self._widgets.get(None))
self._widgets[val] = w;
vbox.add(w)
l = Gtk.Label(label=name)
l.set_line_wrap(True)
w.add(l)
w._changed_id = w.connect('toggled', self._on_toggled)
w._val = val
self.widget_for_size_group = None
self.reload()
def reload(self):
self._values = []
for v in self._parent_settings.get_strv(TypingTweakGroup.XKB_GSETTINGS_NAME):
if (v in self._possible_values):
self._values.append(v)
self._update_checks()
def _update_checks(self):
if len(self._values) > 0:
self.set_label('<b>'+self.name+'</b>')
self.set_use_markup(True)
else:
self.set_label(self.name)
def _set_active(w, active):
w.disconnect(w._changed_id)
w.set_active(active)
w._changed_id = w.connect('toggled', self._on_toggled)
if not self._multiple_selection:
if len(self._values) > 0:
w = self._widgets.get(self._values[0])
if w:
_set_active(w, True)
else:
for w in list(self._widgets.values()):
if w._val in self._values:
_set_active(w, True)
else:
_set_active(w, False)
def _on_toggled(self, w):
active = w.get_active()
if not self._multiple_selection and active:
for v in self._values:
self._parent_settings.setting_remove_from_list(TypingTweakGroup.XKB_GSETTINGS_NAME, v)
if w._val in self._values and not active:
self._parent_settings.setting_remove_from_list(TypingTweakGroup.XKB_GSETTINGS_NAME, w._val)
elif active and not w._val in self._values and w._val:
self._parent_settings.setting_add_to_list(TypingTweakGroup.XKB_GSETTINGS_NAME, w._val)
class TypingTweakGroup(Gtk.Box):
XKB_GSETTINGS_SCHEMA = "org.gnome.desktop.input-sources"
XKB_GSETTINGS_NAME = "xkb-options"
# grp_led is unsupported
XKB_OPTIONS_BLACKLIST = {"grp_led", "Compose key"}
def __init__(self):
Gtk.Box.__init__(self, orientation=Gtk.Orientation.VERTICAL, spacing=3)
self._option_objects = []
ok = False
try:
self._kbdsettings = GSettingsSetting(self.XKB_GSETTINGS_SCHEMA)
self._kdb_settings_id = self._kbdsettings.connect("changed::"+self.XKB_GSETTINGS_NAME, self._on_changed)
self._xkb_info = GnomeDesktop.XkbInfo()
ok = True
self.loaded = True
except GSettingsMissingError:
logging.info("Typing missing schema %s" % self.XKB_GSETTINGS_SCHEMA)
self.loaded = False
except AttributeError:
logging.warning("Typing missing GnomeDesktop.gir with Xkb support")
self.loaded = False
finally:
if ok:
for opt in set(self._xkb_info.get_all_option_groups()) - self.XKB_OPTIONS_BLACKLIST:
obj = _XkbOption(opt, self._kbdsettings, self._xkb_info)
self._option_objects.append(obj)
self._option_objects.sort(key=lambda item_desc: item_desc.name)
for item in self._option_objects: self.pack_start(item, False, False, 0)
TweakGroup.__init__(self, _("Typing"), *self._option_objects)
self.connect("destroy", self._on_destroy)
def _on_changed(self, *args):
for obj in self._option_objects:
obj.reload()
def _on_destroy(self, event):
if (self._kdb_settings_id):
self._kbdsettings.disconnect(self._kdb_settings_id)
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