Source code for qubes.ext.gui

#
# The Qubes OS Project, https://www.qubes-os.org/
#
# Copyright (C) 2010-2016  Joanna Rutkowska <[email protected]>
# Copyright (C) 2013-2016  Marek Marczykowski-Górecki
#                              <[email protected]>
# Copyright (C) 2014-2018  Wojtek Porczyk <[email protected]>
# Copyright (C) 2019 Frédéric Pierret <[email protected]>
#
# 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 2.1 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, see <https://www.gnu.org/licenses/>.
#

import qubes.config
import qubes.ext


[docs]class GUI(qubes.ext.Extension): # pylint: disable=too-few-public-methods # TODO put this somewhere... @staticmethod def send_gui_mode(vm): vm.run_service('qubes.SetGuiMode', input=('SEAMLESS' if vm.features.get('gui-seamless', False) else 'FULLSCREEN')) # property-del <=> property-reset-to-default @qubes.ext.handler('property-del:guivm') def on_property_del(self, subject, event, name, oldvalue=None): newvalue = getattr(subject, 'guivm', None) self.on_property_set(subject, event, name, newvalue, oldvalue) @qubes.ext.handler('property-set:guivm') def on_property_set(self, subject, event, name, newvalue, oldvalue=None): # pylint: disable=unused-argument,no-self-use # Clean other 'guivm-XXX' tags. # gui-daemon can connect to only one domain tags_list = list(subject.tags) for tag in tags_list: if 'guivm-' in tag: subject.tags.remove(tag) if newvalue: guivm = 'guivm-' + newvalue.name subject.tags.add(guivm) @qubes.ext.handler('domain-qdb-create') def on_domain_qdb_create(self, vm, event): # pylint: disable=unused-argument,no-self-use for feature in ('gui-videoram-overhead', 'gui-videoram-min'): try: vm.untrusted_qdb.write( '/qubes-{}'.format(feature), vm.features.check_with_template_and_adminvm( feature)) except KeyError: pass # Add GuiVM Xen ID for gui-daemon if getattr(vm, 'guivm', None): if vm != vm.guivm: vm.untrusted_qdb.write('/qubes-gui-domain-xid', str(vm.guivm.xid)) # Add keyboard layout from that of GuiVM kbd_layout = vm.guivm.features.get('keyboard-layout', None) if kbd_layout: vm.untrusted_qdb.write('/keyboard-layout', kbd_layout) # Set GuiVM prefix guivm_windows_prefix = vm.features.get('guivm-windows-prefix', 'GuiVM') if vm.features.get('service.guivm-gui-agent', None): vm.untrusted_qdb.write('/guivm-windows-prefix', guivm_windows_prefix) @qubes.ext.handler('property-set:default_guivm', system=True) def on_property_set_default_guivm(self, app, event, name, newvalue, oldvalue=None): # pylint: disable=unused-argument,no-self-use for vm in app.domains: if hasattr(vm, 'guivm') and vm.property_is_default('guivm'): vm.fire_event('property-set:guivm', name='guivm', newvalue=newvalue, oldvalue=oldvalue)