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# -*- coding: utf-8 -*-
# Copyright © 2014, 2016-2017 marmuta <marmvta@gmail.com>
#
# This file is part of Onboard.
#
# Onboard 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 3 of the License, or
# (at your option) any later version.
#
# Onboard 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, see <http://www.gnu.org/licenses/>.
"""
Hide the keyboard on incoming physical keyboard events.
"""
from Onboard.GlobalKeyListener import GlobalKeyListener
from Onboard.UDevTracker import UDevTracker
import logging
_logger = logging.getLogger("AutoHide")
from Onboard.Config import Config
config = Config()
class AutoHide:
"""
Hide Onboard when a physical keyboard is being used.
"""
LOCK_REASON = "hide-on-key-press"
def __init__(self, keyboard):
self._keyboard = keyboard
self._key_listener = None
self._udev_keyboard_devices = None
def cleanup(self):
self._register_events(False)
def is_enabled(self):
return self._key_listener is not None
def enable(self, enable):
self._register_events(enable)
def _register_events(self, register):
if register:
if not self._key_listener:
self._key_listener = GlobalKeyListener()
self._key_listener.connect("key-press", self._on_key_press)
self._key_listener.connect("devices-updated",
self._on_devices_updated)
else:
if self._key_listener:
self._key_listener.disconnect("key-press", self._on_key_press)
self._key_listener.disconnect("devices-updated",
self._on_devices_updated)
self._key_listener = None
def _on_devices_updated(self):
if config.is_tablet_mode_detection_enabled():
udev_tracker = UDevTracker()
self._udev_keyboard_devices = udev_tracker.get_keyboard_devices()
else:
self._udev_keyboard_devices = None
_logger.debug("AutoHide._on_devices_updated(): {}"
.format(self._udev_keyboard_devices and
[d.name for d in self._udev_keyboard_devices]))
def _on_key_press(self, event):
if config.is_auto_hide_on_keypress_enabled():
if _logger.isEnabledFor(logging.INFO):
# if not self._keyboard.is_auto_show_locked(self.LOCK_REASON):
s = self._key_listener.get_key_event_string(event)
_logger.info("_on_key_press(): {}".format(s))
# Only react to "real" keyboard devices when tablet-mode detection
# is enabled. Kernel drivers like ideapad-laptop can send hotkeys
# when switching to/from tablet-mode. We want to leave these to the
# tablet-mode detection in HardwareSensorTracker and not have them
# interfere with auto-hide-on-keypress.
if not config.is_tablet_mode_detection_enabled() or \
self._is_real_keyboard_event(event):
# no auto-hide for hotkeys configured for tablet-mode detection
enter_keycode = config.auto_show.tablet_mode_enter_key
leave_keycode = config.auto_show.tablet_mode_leave_key
if event.keycode != enter_keycode and \
event.keycode != leave_keycode:
duration = config.auto_show.hide_on_key_press_pause
self._keyboard.auto_show_lock_and_hide(self.LOCK_REASON,
duration)
def is_auto_show_locked(self):
return self._keyboard.is_auto_show_locked(self.LOCK_REASON)
def auto_show_unlock(self):
self._keyboard.auto_show_unlock(self.LOCK_REASON)
def _is_real_keyboard_event(self, event):
result = True
xidevice = event.get_source_device()
if self._udev_keyboard_devices:
result = False
for udevice in self._udev_keyboard_devices:
if xidevice.name.lower() == udevice.name.lower():
result = True
_logger.debug("_is_real_keyboard_event(): "
"xidevice={}, udevdevices={}, result={}"
.format(repr(xidevice.name),
self._udev_keyboard_devices and
[d.name for d in self._udev_keyboard_devices],
result))
return result
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