diff --git a/lib/solaar/ui/main_window.py b/lib/solaar/ui/main_window.py
index 78a9897a..47862930 100644
--- a/lib/solaar/ui/main_window.py
+++ b/lib/solaar/ui/main_window.py
@@ -1,485 +1,485 @@
-#
-#
-#
-
-from __future__ import absolute_import, division, print_function, unicode_literals
-
-from logging import getLogger, DEBUG as _DEBUG
-_log = getLogger(__name__)
-del getLogger
-
-from gi.repository import Gtk, Gdk, GLib
-
-from solaar import NAME
-from logitech.unifying_receiver import status as _status, hidpp10 as _hidpp10
-from . import config_panel as _config_panel
-from . import action as _action, icons as _icons
-
-#
-#
-#
-
-_RECEIVER_ICON_SIZE = Gtk.IconSize.LARGE_TOOLBAR
-_DEVICE_ICON_SIZE = Gtk.IconSize.DIALOG
-_STATUS_ICON_SIZE = Gtk.IconSize.LARGE_TOOLBAR
-_TOOLBAR_ICON_SIZE = Gtk.IconSize.MENU
-_PLACEHOLDER = '~'
-_FALLBACK_ICON = 'preferences-desktop-peripherals'
-_MAX_DEVICES = 7
-
-#
-#
-#
-
-def _make_receiver_box(receiver):
-	frame = Gtk.Frame()
-	# frame.set_shadow_type(Gtk.ShadowType.NONE)
-	frame._device = receiver
-
-	icon_set = _icons.device_icon_set(receiver.name)
-	icon = Gtk.Image.new_from_icon_set(icon_set, _RECEIVER_ICON_SIZE)
-	icon.set_padding(2, 2)
-	frame._icon = icon
-
-	label = Gtk.Label('Scanning...')
-	label.set_alignment(0, 0.5)
-	frame._label = label
-
-	pairing_icon = Gtk.Image.new_from_icon_name('network-wireless', _TOOLBAR_ICON_SIZE)
-	pairing_icon.set_tooltip_text('The pairing lock is open.')
-	pairing_icon._tick = 0
-	frame._pairing_icon = pairing_icon
-
-	toolbar = Gtk.Toolbar()
-	toolbar.set_style(Gtk.ToolbarStyle.ICONS)
-	toolbar.set_icon_size(_TOOLBAR_ICON_SIZE)
-	toolbar.set_show_arrow(False)
-	frame._toolbar = toolbar
-
-	hbox = Gtk.HBox(homogeneous=False, spacing=8)
-	hbox.pack_start(icon, False, False, 0)
-	hbox.pack_start(label, True, True, 0)
-	hbox.pack_start(pairing_icon, False, False, 0)
-	hbox.pack_start(toolbar, False, False, 0)
-
-	info_label = Gtk.Label()
-	info_label.set_markup('<small>reading ...</small>')
-	info_label.set_sensitive(False)
-	info_label.set_property('margin-left', 36)
-	info_label.set_alignment(0, 0)
-	info_label.set_selectable(True)
-	frame._info_label = info_label
-
-	def _update_info_label(f):
-		device = f._device
-		if True:  # f._info_label.get_visible() and '\n' not in f._info_label.get_text():
-			items = [('Path', device.path), ('Serial', device.serial)] + \
-					list((fw.kind, fw.version) for fw in device.firmware) + \
-					[None]
-
-			notification_flags = _hidpp10.get_notification_flags(device)
-			if notification_flags:
-				notification_flags = _hidpp10.NOTIFICATION_FLAG.flag_names(notification_flags)
-			else:
-				notification_flags = ('(none)',)
-			items[-1] = ('Notifications', ('\n%16s' % ' ').join(notification_flags))
-
-			f._info_label.set_markup('<small><tt>%s</tt></small>' % '\n'.join('%-14s: %s' % i for i in items if i))
-		f._info_label.set_sensitive(True)
-
-	def _toggle_info_label(action, f):
-		active = action.get_active()
-		vb = f.get_child()
-		for c in vb.get_children()[1:]:
-			c.set_visible(active)
-
-		if active:
-			GLib.timeout_add(20, _update_info_label, f)
-
-	toggle_info_action = _action.make_toggle('dialog-information', 'Details', _toggle_info_label, frame)
-	toolbar.insert(toggle_info_action.create_tool_item(), 0)
-	pair_action = _action.pair(frame)
-	if not receiver.unifying_supported:
-		pair_action.set_sensitive(False)
-		pair_action.set_tooltip('Pairing not supported by this receiver')
-	toolbar.insert(pair_action.create_tool_item(), -1)
-
-	vbox = Gtk.VBox(homogeneous=False, spacing=2)
-	vbox.set_border_width(2)
-	vbox.pack_start(hbox, True, True, 0)
-	vbox.pack_start(Gtk.HSeparator(), False, False, 0)
-	vbox.pack_start(info_label, True, True, 0)
-
-	frame.add(vbox)
-	frame.show_all()
-
-	pairing_icon.set_visible(False)
-	_toggle_info_label(toggle_info_action, frame)
-	return frame
-
-
-def _make_device_box(index):
-	frame = Gtk.Frame()
-	frame._device = None
-	frame.set_name(_PLACEHOLDER)
-
-	icon = Gtk.Image.new_from_icon_name(_FALLBACK_ICON, _DEVICE_ICON_SIZE)
-	icon.set_alignment(0.5, 0)
-	icon.set_padding(2, 2)
-	frame._icon = icon
-
-	label = Gtk.Label('Initializing...')
-	label.set_alignment(0, 0.5)
-	label.set_padding(4, 0)
-	frame._label = label
-
-	battery_icon = Gtk.Image.new_from_icon_name(_icons.battery(), _STATUS_ICON_SIZE)
-
-	battery_label = Gtk.Label()
-	battery_label.set_width_chars(8)
-	battery_label.set_alignment(0, 0.5)
-
-	light_icon = Gtk.Image.new_from_icon_name(_icons.lux(), _STATUS_ICON_SIZE)
-
-	light_label = Gtk.Label()
-	light_label.set_alignment(0, 0.5)
-	light_label.set_width_chars(8)
-
-	not_encrypted_icon = Gtk.Image.new_from_icon_name('security-low', _STATUS_ICON_SIZE)
-	not_encrypted_icon.set_name('not-encrypted')
-	not_encrypted_icon.set_tooltip_text('The wireless link between this device and its receiver is not encrypted.\n'
-										'\n'
-										'For pointing devices (mice, trackballs, trackpads), this is a minor security issue.\n'
-										'\n'
-										'It is, however, a major security issue for text-input devices (keyboards, numpads),\n'
-										'because typed text can be sniffed inconspicuously by 3rd parties within range.')
-
-	toolbar = Gtk.Toolbar()
-	toolbar.set_style(Gtk.ToolbarStyle.ICONS)
-	toolbar.set_icon_size(_TOOLBAR_ICON_SIZE)
-	toolbar.set_show_arrow(False)
-	frame._toolbar = toolbar
-
-	status_box = Gtk.HBox(homogeneous=False, spacing=2)
-	status_box.pack_start(battery_icon, False, True, 0)
-	status_box.pack_start(battery_label, False, True, 0)
-	status_box.pack_start(light_icon, False, True, 0)
-	status_box.pack_start(light_label, False, True, 0)
-	status_box.pack_end(toolbar, False, False, 0)
-	status_box.pack_end(not_encrypted_icon, False, False, 0)
-	frame._status_icons = status_box
-
-	status_vbox = Gtk.VBox(homogeneous=False, spacing=4)
-	status_vbox.pack_start(label, True, True, 0)
-	status_vbox.pack_start(status_box, True, True, 0)
-
-	device_box = Gtk.HBox(homogeneous=False, spacing=4)
-	# device_box.set_border_width(4)
-	device_box.pack_start(icon, False, False, 0)
-	device_box.pack_start(status_vbox, True, True, 0)
-	device_box.show_all()
-
-	info_label = Gtk.Label()
-	info_label.set_markup('<small>reading ...</small>')
-	info_label.set_property('margin-left', 54)
-	info_label.set_sensitive(False)
-	info_label.set_selectable(True)
-	info_label.set_alignment(0, 0)
-	frame._info_label = info_label
-
-	def _update_info_label(f):
-		if True:  # frame._info_label.get_text().count('\n') < 4:
-			device = f._device
-			assert device
-
-			hid = device.protocol
-			items = [
-					('Protocol', 'HID++ %1.1f' % hid if hid else 'unknown'),
-					('Polling rate', '%d ms' % device.polling_rate) if device.polling_rate else None,
-					('Wireless PID', device.wpid),
-					('Serial', device.serial) ] + \
-					list((fw.kind, (fw.name + ' ' + fw.version).strip()) for fw in device.firmware) + \
-					[None]
-
-			if device.status:
-				notification_flags = _hidpp10.get_notification_flags(device)
-				if notification_flags:
-					notification_flags = _hidpp10.NOTIFICATION_FLAG.flag_names(notification_flags)
-				else:
-					notification_flags = ('(none)',)
-				items[-1] = ('Notifications', ('\n%16s' % ' ').join(notification_flags))
-
-			frame._info_label.set_markup('<small><tt>%s</tt></small>' % '\n'.join('%-14s: %s' % i for i in items if i))
-		frame._info_label.set_sensitive(True)
-
-	def _toggle_info_label(action, f):
-		active = action.get_active()
-		if active:
-			# set config toggle button as inactive
-			f._toolbar.get_children()[-1].set_active(False)
-
-		vb = f.get_child()
-		children = vb.get_children()
-		children[1].set_visible(active)  # separator
-		children[2].set_visible(active)  # info label
-
-		if active:
-			GLib.timeout_add(30, _update_info_label, f)
-
-	def _toggle_config(action, f):
-		active = action.get_active()
-		if active:
-			# set info toggle button as inactive
-			f._toolbar.get_children()[0].set_active(False)
-
-		vb = f.get_child()
-		children = vb.get_children()
-		children[1].set_visible(active)  # separator
-		children[3].set_visible(active)  # config box
-		children[4].set_visible(active)  # unpair button
-
-		if active:
-			GLib.timeout_add(30, _config_panel.update, f)
-
-	toggle_info_action = _action.make_toggle('dialog-information', 'Details', _toggle_info_label, frame)
-	toolbar.insert(toggle_info_action.create_tool_item(), 0)
-	toggle_config_action = _action.make_toggle('preferences-system', 'Configuration', _toggle_config, frame)
-	toolbar.insert(toggle_config_action.create_tool_item(), -1)
-
-	vbox = Gtk.VBox(homogeneous=False, spacing=2)
-	vbox.set_border_width(2)
-	vbox.pack_start(device_box, True, True, 0)
-	vbox.pack_start(Gtk.HSeparator(), False, False, 0)
-	vbox.pack_start(info_label, False, False, 0)
-
-	frame._config_box = _config_panel.create()
-	vbox.pack_start(frame._config_box, False, False, 0)
-
-	unpair = Gtk.Button('Unpair')
-	unpair.set_image(Gtk.Image.new_from_icon_name('edit-delete', Gtk.IconSize.BUTTON))
-	unpair.connect('clicked', _action._unpair_device, frame)
-	unpair.set_relief(Gtk.ReliefStyle.NONE)
-	unpair.set_property('margin-left', 106)
-	unpair.set_property('margin-right', 106)
-	unpair.set_property('can-focus', False)  # exclude from tab-navigation
-	vbox.pack_end(unpair, False, False, 0)
-
-	vbox.show_all()
-	frame.add(vbox)
-
-	_toggle_info_label(toggle_info_action, frame)
-	_toggle_config(toggle_config_action, frame)
-	return frame
-
-
-def _hide(w, _=None):
-	position = w.get_position()
-	w.hide()
-	w.move(*position)
-	return True
-
-
-def _show(w, trigger=None):
-	if w.get_visible() or w._was_shown:
-		w.present()
-	else:
-		w._was_shown = True
-		# if _log.isEnabledFor(_DEBUG):
-		# 	_log.debug("first show %s", trigger)
-		if isinstance(trigger, Gtk.StatusIcon):
-			x, y, _ = Gtk.StatusIcon.position_menu(trigger._menu, trigger)
-			w.present()
-			w.move(x, y)
-		else:
-			w.set_position(Gtk.WindowPosition.CENTER)
-			w.present()
-
-	return True
-
-
-# all created windows will be placed here, keyed by the receiver path
-_windows = {}
-
-
-def _create(receiver):
-	window = Gtk.Window()
-
-	window.set_title(NAME + ': ' + receiver.name)
-	window.set_role('status-window')
-	window.set_type_hint(Gdk.WindowTypeHint.UTILITY)
-
-	vbox = Gtk.VBox(homogeneous=False, spacing=12)
-	vbox.set_border_width(4)
-
-	rbox = _make_receiver_box(receiver)
-	vbox.add(rbox)
-	for i in range(1, _MAX_DEVICES):
-		dbox = _make_device_box(i)
-		vbox.add(dbox)
-	vbox.set_visible(True)
-
-	window.add(vbox)
-
-	geometry = Gdk.Geometry()
-	geometry.min_width = 360
-	geometry.min_height = 32
-	window.set_geometry_hints(vbox, geometry, Gdk.WindowHints.MIN_SIZE)
-
-	window.set_resizable(False)
-	window.set_skip_taskbar_hint(True)
-	window.set_skip_pager_hint(True)
-	window.set_keep_above(True)
-	# window.set_position(Gtk.WindowPosition.MOUSE)
-	# window.set_decorations(Gdk.DECOR_BORDER | Gdk.DECOR_TITLE)
-	window.connect('delete-event', _hide)
-	window._was_shown = False
-
-	_windows[receiver.path] = window
-	return window
-
-
-def _destroy(receiver):
-	w = _windows.pop(receiver.path, None)
-	if w:
-		w.destroy()
-
-
-def popup(trigger_widget, receiver_path, status_icon=None):
-	if receiver_path is not None:
-		w = _windows.get(receiver_path)
-		if w:
-			_show(w, status_icon)
-			return
-
-	toggle_all(status_icon)
-
-
-def toggle_all(status_icon):
-	if not _windows:
-		return
-
-	visible = (w.get_visible() for w in _windows.values())
-	if all(visible):
-		for w in _windows.values():
-			_hide(w)
-	else:
-		for w in _windows.values():
-			_show(w, status_icon)
-
-#
-#
-#
-
-def _update_receiver_box(frame, receiver):
-	assert frame
-	assert receiver
-
-	frame._label.set_text(str(receiver.status))
-	if receiver.status.lock_open:
-		if frame._pairing_icon._tick == 0:
-			def _pairing_tick(i, s):
-				if s and s.lock_open:
-					i.set_sensitive(bool(i._tick % 2))
-					i._tick += 1
-					return True
-				i.set_visible(False)
-				i.set_sensitive(True)
-				i._tick = 0
-			frame._pairing_icon.set_visible(True)
-			GLib.timeout_add(1000, _pairing_tick, frame._pairing_icon, receiver.status)
-	else:
-		frame._pairing_icon.set_visible(False)
-		frame._pairing_icon.set_sensitive(True)
-		frame._pairing_icon._tick = 0
-
-
-def _update_device_box(frame, dev):
-	if dev is None:
-		frame.set_visible(False)
-		frame.set_name(_PLACEHOLDER)
-		frame._device = None
-		_config_panel.update(frame)
-		return
-	assert dev.status is not None
-
-	first_run = frame.get_name() != dev.name
-	if first_run:
-		frame._device = dev
-		frame.set_name(dev.name)
-		icon_set = _icons.device_icon_set(dev.name, dev.kind)
-		frame._icon.set_from_icon_set(icon_set, _DEVICE_ICON_SIZE)
-		frame._label.set_markup('<b>%s</b>' % dev.name)
-		for i in frame._toolbar.get_children():
-			i.set_active(False)
-
-		if not dev.receiver.unifying_supported:
-			unpair_button = frame.get_child().get_children()[-1]
-			unpair_button.set_sensitive(False)
-			unpair_button.set_tooltip_text('Unpairing not supported by this device')
-
-	battery_icon, battery_label, light_icon, light_label, not_encrypted_icon, _ = frame._status_icons
-	battery_level = dev.status.get(_status.BATTERY_LEVEL)
-
-	device_is_active = bool(dev.status)
-	frame._label.set_sensitive(device_is_active)
-	if battery_level is None:
-		battery_icon.set_from_icon_name(_icons.battery(), _STATUS_ICON_SIZE)
-		battery_label.set_markup('<small>no status</small>')
-	else:
-		battery_charging = dev.status.get(_status.BATTERY_CHARGING)
-		icon_name = _icons.battery(battery_level, battery_charging)
-		battery_icon.set_from_icon_name(icon_name, _STATUS_ICON_SIZE)
-		battery_label.set_text('%d%%' % battery_level)
-
-	battery_status = dev.status.get(_status.BATTERY_STATUS)
-	battery_icon.set_tooltip_text(battery_status or '')
-	battery_icon.set_sensitive(device_is_active)
-	battery_label.set_sensitive(device_is_active)
-
-	if device_is_active:
-		light_level = dev.status.get(_status.LIGHT_LEVEL)
-		if light_level is None:
-			light_icon.set_visible(False)
-			light_label.set_visible(False)
-		else:
-			icon_name = _icons.lux(light_level)
-			light_icon.set_from_icon_name(icon_name, _STATUS_ICON_SIZE)
-			light_icon.set_visible(True)
-			light_label.set_text('%d lux' % light_level)
-			light_label.set_visible(True)
-
-		not_encrypted_icon.set_visible(dev.status.get(_status.ENCRYPTED) == False)
-	else:
-		light_icon.set_visible(False)
-		light_label.set_visible(False)
-		not_encrypted_icon.set_visible(False)
-
-		frame._toolbar.get_children()[-1].set_active(False)
-
-	frame.set_visible(True)
-	_config_panel.update(frame)
-
-
-def update(device, need_popup=False, status_icon=None):
-	assert device is not None
-	# print ("main_window.update", device)
-
-	receiver = device if device.kind is None else device.receiver
-	assert receiver is not None, '%s has no receiver' % device
-	w = _windows.get(receiver.path)
-	if receiver and not w:
-		w = _create(receiver)
-
-	if w:
-		if receiver:
-			if need_popup:
-				_show(w, status_icon)
-			vbox = w.get_child()
-			frames = list(vbox.get_children())
-
-			if device is receiver:
-				_update_receiver_box(frames[0], receiver)
-			else:
-				_update_device_box(frames[device.number], None if device.status is None else device)
-		else:
-			_destroy(receiver)
+# #
+# #
+# #
+
+# from __future__ import absolute_import, division, print_function, unicode_literals
+
+# from logging import getLogger, DEBUG as _DEBUG
+# _log = getLogger(__name__)
+# del getLogger
+
+# from gi.repository import Gtk, Gdk, GLib
+
+# from solaar import NAME
+# from logitech.unifying_receiver import status as _status, hidpp10 as _hidpp10
+# from . import config_panel as _config_panel
+# from . import action as _action, icons as _icons
+
+# #
+# #
+# #
+
+# _RECEIVER_ICON_SIZE = Gtk.IconSize.LARGE_TOOLBAR
+# _DEVICE_ICON_SIZE = Gtk.IconSize.DIALOG
+# _STATUS_ICON_SIZE = Gtk.IconSize.LARGE_TOOLBAR
+# _TOOLBAR_ICON_SIZE = Gtk.IconSize.MENU
+# _PLACEHOLDER = '~'
+# _FALLBACK_ICON = 'preferences-desktop-peripherals'
+# _MAX_DEVICES = 7
+
+# #
+# #
+# #
+
+# def _make_receiver_box(receiver):
+# 	frame = Gtk.Frame()
+# 	# frame.set_shadow_type(Gtk.ShadowType.NONE)
+# 	frame._device = receiver
+
+# 	icon_set = _icons.device_icon_set(receiver.name)
+# 	icon = Gtk.Image.new_from_icon_set(icon_set, _RECEIVER_ICON_SIZE)
+# 	icon.set_padding(2, 2)
+# 	frame._icon = icon
+
+# 	label = Gtk.Label('Scanning...')
+# 	label.set_alignment(0, 0.5)
+# 	frame._label = label
+
+# 	pairing_icon = Gtk.Image.new_from_icon_name('network-wireless', _TOOLBAR_ICON_SIZE)
+# 	pairing_icon.set_tooltip_text('The pairing lock is open.')
+# 	pairing_icon._tick = 0
+# 	frame._pairing_icon = pairing_icon
+
+# 	toolbar = Gtk.Toolbar()
+# 	toolbar.set_style(Gtk.ToolbarStyle.ICONS)
+# 	toolbar.set_icon_size(_TOOLBAR_ICON_SIZE)
+# 	toolbar.set_show_arrow(False)
+# 	frame._toolbar = toolbar
+
+# 	hbox = Gtk.HBox(homogeneous=False, spacing=8)
+# 	hbox.pack_start(icon, False, False, 0)
+# 	hbox.pack_start(label, True, True, 0)
+# 	hbox.pack_start(pairing_icon, False, False, 0)
+# 	hbox.pack_start(toolbar, False, False, 0)
+
+# 	info_label = Gtk.Label()
+# 	info_label.set_markup('<small>reading ...</small>')
+# 	info_label.set_sensitive(False)
+# 	info_label.set_property('margin-left', 36)
+# 	info_label.set_alignment(0, 0)
+# 	info_label.set_selectable(True)
+# 	frame._info_label = info_label
+
+# 	def _update_info_label(f):
+# 		device = f._device
+# 		if True:  # f._info_label.get_visible() and '\n' not in f._info_label.get_text():
+# 			items = [('Path', device.path), ('Serial', device.serial)] + \
+# 					list((fw.kind, fw.version) for fw in device.firmware) + \
+# 					[None]
+
+# 			notification_flags = _hidpp10.get_notification_flags(device)
+# 			if notification_flags:
+# 				notification_flags = _hidpp10.NOTIFICATION_FLAG.flag_names(notification_flags)
+# 			else:
+# 				notification_flags = ('(none)',)
+# 			items[-1] = ('Notifications', ('\n%16s' % ' ').join(notification_flags))
+
+# 			f._info_label.set_markup('<small><tt>%s</tt></small>' % '\n'.join('%-14s: %s' % i for i in items if i))
+# 		f._info_label.set_sensitive(True)
+
+# 	def _toggle_info_label(action, f):
+# 		active = action.get_active()
+# 		vb = f.get_child()
+# 		for c in vb.get_children()[1:]:
+# 			c.set_visible(active)
+
+# 		if active:
+# 			GLib.timeout_add(20, _update_info_label, f)
+
+# 	toggle_info_action = _action.make_toggle('dialog-information', 'Details', _toggle_info_label, frame)
+# 	toolbar.insert(toggle_info_action.create_tool_item(), 0)
+# 	pair_action = _action.pair(frame)
+# 	if not receiver.unifying_supported:
+# 		pair_action.set_sensitive(False)
+# 		pair_action.set_tooltip('Pairing not supported by this receiver')
+# 	toolbar.insert(pair_action.create_tool_item(), -1)
+
+# 	vbox = Gtk.VBox(homogeneous=False, spacing=2)
+# 	vbox.set_border_width(2)
+# 	vbox.pack_start(hbox, True, True, 0)
+# 	vbox.pack_start(Gtk.HSeparator(), False, False, 0)
+# 	vbox.pack_start(info_label, True, True, 0)
+
+# 	frame.add(vbox)
+# 	frame.show_all()
+
+# 	pairing_icon.set_visible(False)
+# 	_toggle_info_label(toggle_info_action, frame)
+# 	return frame
+
+
+# def _make_device_box(index):
+# 	frame = Gtk.Frame()
+# 	frame._device = None
+# 	frame.set_name(_PLACEHOLDER)
+
+# 	icon = Gtk.Image.new_from_icon_name(_FALLBACK_ICON, _DEVICE_ICON_SIZE)
+# 	icon.set_alignment(0.5, 0)
+# 	icon.set_padding(2, 2)
+# 	frame._icon = icon
+
+# 	label = Gtk.Label('Initializing...')
+# 	label.set_alignment(0, 0.5)
+# 	label.set_padding(4, 0)
+# 	frame._label = label
+
+# 	battery_icon = Gtk.Image.new_from_icon_name(_icons.battery(), _STATUS_ICON_SIZE)
+
+# 	battery_label = Gtk.Label()
+# 	battery_label.set_width_chars(8)
+# 	battery_label.set_alignment(0, 0.5)
+
+# 	light_icon = Gtk.Image.new_from_icon_name(_icons.lux(), _STATUS_ICON_SIZE)
+
+# 	light_label = Gtk.Label()
+# 	light_label.set_alignment(0, 0.5)
+# 	light_label.set_width_chars(8)
+
+# 	not_encrypted_icon = Gtk.Image.new_from_icon_name('security-low', _STATUS_ICON_SIZE)
+# 	not_encrypted_icon.set_name('not-encrypted')
+# 	not_encrypted_icon.set_tooltip_text('The wireless link between this device and its receiver is not encrypted.\n'
+# 										'\n'
+# 										'For pointing devices (mice, trackballs, trackpads), this is a minor security issue.\n'
+# 										'\n'
+# 										'It is, however, a major security issue for text-input devices (keyboards, numpads),\n'
+# 										'because typed text can be sniffed inconspicuously by 3rd parties within range.')
+
+# 	toolbar = Gtk.Toolbar()
+# 	toolbar.set_style(Gtk.ToolbarStyle.ICONS)
+# 	toolbar.set_icon_size(_TOOLBAR_ICON_SIZE)
+# 	toolbar.set_show_arrow(False)
+# 	frame._toolbar = toolbar
+
+# 	status_box = Gtk.HBox(homogeneous=False, spacing=2)
+# 	status_box.pack_start(battery_icon, False, True, 0)
+# 	status_box.pack_start(battery_label, False, True, 0)
+# 	status_box.pack_start(light_icon, False, True, 0)
+# 	status_box.pack_start(light_label, False, True, 0)
+# 	status_box.pack_end(toolbar, False, False, 0)
+# 	status_box.pack_end(not_encrypted_icon, False, False, 0)
+# 	frame._status_icons = status_box
+
+# 	status_vbox = Gtk.VBox(homogeneous=False, spacing=4)
+# 	status_vbox.pack_start(label, True, True, 0)
+# 	status_vbox.pack_start(status_box, True, True, 0)
+
+# 	device_box = Gtk.HBox(homogeneous=False, spacing=4)
+# 	# device_box.set_border_width(4)
+# 	device_box.pack_start(icon, False, False, 0)
+# 	device_box.pack_start(status_vbox, True, True, 0)
+# 	device_box.show_all()
+
+# 	info_label = Gtk.Label()
+# 	info_label.set_markup('<small>reading ...</small>')
+# 	info_label.set_property('margin-left', 54)
+# 	info_label.set_sensitive(False)
+# 	info_label.set_selectable(True)
+# 	info_label.set_alignment(0, 0)
+# 	frame._info_label = info_label
+
+# 	def _update_info_label(f):
+# 		if True:  # frame._info_label.get_text().count('\n') < 4:
+# 			device = f._device
+# 			assert device
+
+# 			hid = device.protocol
+# 			items = [
+# 					('Protocol', 'HID++ %1.1f' % hid if hid else 'unknown'),
+# 					('Polling rate', '%d ms' % device.polling_rate) if device.polling_rate else None,
+# 					('Wireless PID', device.wpid),
+# 					('Serial', device.serial) ] + \
+# 					list((fw.kind, (fw.name + ' ' + fw.version).strip()) for fw in device.firmware) + \
+# 					[None]
+
+# 			if device.status:
+# 				notification_flags = _hidpp10.get_notification_flags(device)
+# 				if notification_flags:
+# 					notification_flags = _hidpp10.NOTIFICATION_FLAG.flag_names(notification_flags)
+# 				else:
+# 					notification_flags = ('(none)',)
+# 				items[-1] = ('Notifications', ('\n%16s' % ' ').join(notification_flags))
+
+# 			frame._info_label.set_markup('<small><tt>%s</tt></small>' % '\n'.join('%-14s: %s' % i for i in items if i))
+# 		frame._info_label.set_sensitive(True)
+
+# 	def _toggle_info_label(action, f):
+# 		active = action.get_active()
+# 		if active:
+# 			# set config toggle button as inactive
+# 			f._toolbar.get_children()[-1].set_active(False)
+
+# 		vb = f.get_child()
+# 		children = vb.get_children()
+# 		children[1].set_visible(active)  # separator
+# 		children[2].set_visible(active)  # info label
+
+# 		if active:
+# 			GLib.timeout_add(30, _update_info_label, f)
+
+# 	def _toggle_config(action, f):
+# 		active = action.get_active()
+# 		if active:
+# 			# set info toggle button as inactive
+# 			f._toolbar.get_children()[0].set_active(False)
+
+# 		vb = f.get_child()
+# 		children = vb.get_children()
+# 		children[1].set_visible(active)  # separator
+# 		children[3].set_visible(active)  # config box
+# 		children[4].set_visible(active)  # unpair button
+
+# 		if active:
+# 			GLib.timeout_add(30, _config_panel.update, f)
+
+# 	toggle_info_action = _action.make_toggle('dialog-information', 'Details', _toggle_info_label, frame)
+# 	toolbar.insert(toggle_info_action.create_tool_item(), 0)
+# 	toggle_config_action = _action.make_toggle('preferences-system', 'Configuration', _toggle_config, frame)
+# 	toolbar.insert(toggle_config_action.create_tool_item(), -1)
+
+# 	vbox = Gtk.VBox(homogeneous=False, spacing=2)
+# 	vbox.set_border_width(2)
+# 	vbox.pack_start(device_box, True, True, 0)
+# 	vbox.pack_start(Gtk.HSeparator(), False, False, 0)
+# 	vbox.pack_start(info_label, False, False, 0)
+
+# 	frame._config_box = _config_panel.create()
+# 	vbox.pack_start(frame._config_box, False, False, 0)
+
+# 	unpair = Gtk.Button('Unpair')
+# 	unpair.set_image(Gtk.Image.new_from_icon_name('edit-delete', Gtk.IconSize.BUTTON))
+# 	unpair.connect('clicked', _action._unpair_device, frame)
+# 	unpair.set_relief(Gtk.ReliefStyle.NONE)
+# 	unpair.set_property('margin-left', 106)
+# 	unpair.set_property('margin-right', 106)
+# 	unpair.set_property('can-focus', False)  # exclude from tab-navigation
+# 	vbox.pack_end(unpair, False, False, 0)
+
+# 	vbox.show_all()
+# 	frame.add(vbox)
+
+# 	_toggle_info_label(toggle_info_action, frame)
+# 	_toggle_config(toggle_config_action, frame)
+# 	return frame
+
+
+# def _hide(w, _=None):
+# 	position = w.get_position()
+# 	w.hide()
+# 	w.move(*position)
+# 	return True
+
+
+# def _show(w, trigger=None):
+# 	if w.get_visible() or w._was_shown:
+# 		w.present()
+# 	else:
+# 		w._was_shown = True
+# 		# if _log.isEnabledFor(_DEBUG):
+# 		# 	_log.debug("first show %s", trigger)
+# 		if isinstance(trigger, Gtk.StatusIcon):
+# 			x, y, _ = Gtk.StatusIcon.position_menu(trigger._menu, trigger)
+# 			w.present()
+# 			w.move(x, y)
+# 		else:
+# 			w.set_position(Gtk.WindowPosition.CENTER)
+# 			w.present()
+
+# 	return True
+
+
+# # all created windows will be placed here, keyed by the receiver path
+# _windows = {}
+
+
+# def _create(receiver):
+# 	window = Gtk.Window()
+
+# 	window.set_title(NAME + ': ' + receiver.name)
+# 	window.set_role('status-window')
+# 	window.set_type_hint(Gdk.WindowTypeHint.UTILITY)
+
+# 	vbox = Gtk.VBox(homogeneous=False, spacing=12)
+# 	vbox.set_border_width(4)
+
+# 	rbox = _make_receiver_box(receiver)
+# 	vbox.add(rbox)
+# 	for i in range(1, _MAX_DEVICES):
+# 		dbox = _make_device_box(i)
+# 		vbox.add(dbox)
+# 	vbox.set_visible(True)
+
+# 	window.add(vbox)
+
+# 	geometry = Gdk.Geometry()
+# 	geometry.min_width = 360
+# 	geometry.min_height = 32
+# 	window.set_geometry_hints(vbox, geometry, Gdk.WindowHints.MIN_SIZE)
+
+# 	window.set_resizable(False)
+# 	window.set_skip_taskbar_hint(True)
+# 	window.set_skip_pager_hint(True)
+# 	window.set_keep_above(True)
+# 	# window.set_position(Gtk.WindowPosition.MOUSE)
+# 	# window.set_decorations(Gdk.DECOR_BORDER | Gdk.DECOR_TITLE)
+# 	window.connect('delete-event', _hide)
+# 	window._was_shown = False
+
+# 	_windows[receiver.path] = window
+# 	return window
+
+
+# def _destroy(receiver):
+# 	w = _windows.pop(receiver.path, None)
+# 	if w:
+# 		w.destroy()
+
+
+# def popup(trigger_widget, receiver_path, status_icon=None):
+# 	if receiver_path is not None:
+# 		w = _windows.get(receiver_path)
+# 		if w:
+# 			_show(w, status_icon)
+# 			return
+
+# 	toggle_all(status_icon)
+
+
+# def toggle_all(status_icon):
+# 	if not _windows:
+# 		return
+
+# 	visible = (w.get_visible() for w in _windows.values())
+# 	if all(visible):
+# 		for w in _windows.values():
+# 			_hide(w)
+# 	else:
+# 		for w in _windows.values():
+# 			_show(w, status_icon)
+
+# #
+# #
+# #
+
+# def _update_receiver_box(frame, receiver):
+# 	assert frame
+# 	assert receiver
+
+# 	frame._label.set_text(str(receiver.status))
+# 	if receiver.status.lock_open:
+# 		if frame._pairing_icon._tick == 0:
+# 			def _pairing_tick(i, s):
+# 				if s and s.lock_open:
+# 					i.set_sensitive(bool(i._tick % 2))
+# 					i._tick += 1
+# 					return True
+# 				i.set_visible(False)
+# 				i.set_sensitive(True)
+# 				i._tick = 0
+# 			frame._pairing_icon.set_visible(True)
+# 			GLib.timeout_add(1000, _pairing_tick, frame._pairing_icon, receiver.status)
+# 	else:
+# 		frame._pairing_icon.set_visible(False)
+# 		frame._pairing_icon.set_sensitive(True)
+# 		frame._pairing_icon._tick = 0
+
+
+# def _update_device_box(frame, dev):
+# 	if dev is None:
+# 		frame.set_visible(False)
+# 		frame.set_name(_PLACEHOLDER)
+# 		frame._device = None
+# 		_config_panel.update(frame)
+# 		return
+# 	assert dev.status is not None
+
+# 	first_run = frame.get_name() != dev.name
+# 	if first_run:
+# 		frame._device = dev
+# 		frame.set_name(dev.name)
+# 		icon_set = _icons.device_icon_set(dev.name, dev.kind)
+# 		frame._icon.set_from_icon_set(icon_set, _DEVICE_ICON_SIZE)
+# 		frame._label.set_markup('<b>%s</b>' % dev.name)
+# 		for i in frame._toolbar.get_children():
+# 			i.set_active(False)
+
+# 		if not dev.receiver.unifying_supported:
+# 			unpair_button = frame.get_child().get_children()[-1]
+# 			unpair_button.set_sensitive(False)
+# 			unpair_button.set_tooltip_text('Unpairing not supported by this device')
+
+# 	battery_icon, battery_label, light_icon, light_label, not_encrypted_icon, _ = frame._status_icons
+# 	battery_level = dev.status.get(_status.BATTERY_LEVEL)
+
+# 	device_is_active = bool(dev.status)
+# 	frame._label.set_sensitive(device_is_active)
+# 	if battery_level is None:
+# 		battery_icon.set_from_icon_name(_icons.battery(), _STATUS_ICON_SIZE)
+# 		battery_label.set_markup('<small>no status</small>')
+# 	else:
+# 		battery_charging = dev.status.get(_status.BATTERY_CHARGING)
+# 		icon_name = _icons.battery(battery_level, battery_charging)
+# 		battery_icon.set_from_icon_name(icon_name, _STATUS_ICON_SIZE)
+# 		battery_label.set_text('%d%%' % battery_level)
+
+# 	battery_status = dev.status.get(_status.BATTERY_STATUS)
+# 	battery_icon.set_tooltip_text(battery_status or '')
+# 	battery_icon.set_sensitive(device_is_active)
+# 	battery_label.set_sensitive(device_is_active)
+
+# 	if device_is_active:
+# 		light_level = dev.status.get(_status.LIGHT_LEVEL)
+# 		if light_level is None:
+# 			light_icon.set_visible(False)
+# 			light_label.set_visible(False)
+# 		else:
+# 			icon_name = _icons.lux(light_level)
+# 			light_icon.set_from_icon_name(icon_name, _STATUS_ICON_SIZE)
+# 			light_icon.set_visible(True)
+# 			light_label.set_text('%d lux' % light_level)
+# 			light_label.set_visible(True)
+
+# 		not_encrypted_icon.set_visible(dev.status.get(_status.ENCRYPTED) == False)
+# 	else:
+# 		light_icon.set_visible(False)
+# 		light_label.set_visible(False)
+# 		not_encrypted_icon.set_visible(False)
+
+# 		frame._toolbar.get_children()[-1].set_active(False)
+
+# 	frame.set_visible(True)
+# 	_config_panel.update(frame)
+
+
+# def update(device, need_popup=False, status_icon=None):
+# 	assert device is not None
+# 	# print ("main_window.update", device)
+
+# 	receiver = device if device.kind is None else device.receiver
+# 	assert receiver is not None, '%s has no receiver' % device
+# 	w = _windows.get(receiver.path)
+# 	if receiver and not w:
+# 		w = _create(receiver)
+
+# 	if w:
+# 		if receiver:
+# 			if need_popup:
+# 				_show(w, status_icon)
+# 			vbox = w.get_child()
+# 			frames = list(vbox.get_children())
+
+# 			if device is receiver:
+# 				_update_receiver_box(frames[0], receiver)
+# 			else:
+# 				_update_device_box(frames[device.number], None if device.status is None else device)
+# 		else:
+# 			_destroy(receiver)