commit 2f1d6b237954b306cfc456a8f56ddcdc3a318ade
parent 237747620752b4697988622e68307ab82ba46bd6
Author: Neil Booth <kyuupichan@gmail.com>
Date: Sat, 9 Jan 2016 14:18:06 +0900
Have Trezor dialog work even if wallet unpaired
Required cleanup of handler logic. Now every client
is constructed with a handler, so there is never a
question of not having one.
Diffstat:
4 files changed, 221 insertions(+), 191 deletions(-)
diff --git a/lib/plugins.py b/lib/plugins.py
@@ -218,102 +218,117 @@ class BasePlugin(PrintError):
class DeviceMgr(PrintError):
'''Manages hardware clients. A client communicates over a hardware
- channel with the device. A client is a pair: a device ID (serial
- number) and hardware port. If either change then a different
- client is instantiated.
+ channel with the device.
- In addition to tracking device IDs, the device manager tracks
- hardware wallets and manages wallet pairing. A device ID may be
+ In addition to tracking device HID IDs, the device manager tracks
+ hardware wallets and manages wallet pairing. A HID ID may be
paired with a wallet when it is confirmed that the hardware device
matches the wallet, i.e. they have the same master public key. A
- device ID can be unpaired if e.g. it is wiped.
+ HID ID can be unpaired if e.g. it is wiped.
Because of hotplugging, a wallet must request its client
dynamically each time it is required, rather than caching it
itself.
The device manager is shared across plugins, so just one place
- does hardware scans when needed. By tracking device serial
- numbers the number of necessary hardware scans is reduced, e.g. if
- a device is plugged into a different port the wallet is
- automatically re-paired.
+ does hardware scans when needed. By tracking HID IDs, if a device
+ is plugged into a different port the wallet is automatically
+ re-paired.
Wallets are informed on connect / disconnect events. It must
implement connected(), disconnected() callbacks. Being connected
implies a pairing. Callbacks can happen in any thread context,
and we do them without holding the lock.
- This plugin is thread-safe. Currently only USB is implemented.'''
+ Confusingly, the HID ID (serial number) reported by the HID system
+ doesn't match the device ID reported by the device itself. We use
+ the HID IDs.
- # Client lookup types. CACHED will look up in our client cache
- # only. PRESENT will do a scan if there is no client in the cache.
- # PAIRED will try and pair the wallet, which will involve requesting
- # a PIN and passphrase if they are enabled
- (CACHED, PRESENT, PAIRED) = range(3)
+ This plugin is thread-safe. Currently only devices supported by
+ hidapi are implemented.
+
+ '''
def __init__(self):
super(DeviceMgr, self).__init__()
- # Keyed by wallet. The value is the device_id if the wallet
- # has been paired, and None otherwise.
+ # Keyed by wallet. The value is the hid_id if the wallet has
+ # been paired, and None otherwise.
self.wallets = {}
# A list of clients. We create a client for every device present
# that is of a registered hardware type
self.clients = []
# What we recognise. Keyed by (vendor_id, product_id) pairs,
- # the value is a handler for those devices. The handler must
- # implement
+ # the value is a callback to create a client for those devices
self.recognised_hardware = {}
# For synchronization
self.lock = threading.RLock()
- def register_devices(self, handler, device_pairs):
+ def register_devices(self, device_pairs, create_client):
for pair in device_pairs:
- self.recognised_hardware[pair] = handler
+ self.recognised_hardware[pair] = create_client
+
+ def unpair(self, hid_id):
+ with self.lock:
+ wallet = self.wallet_by_hid_id(hid_id)
+ if wallet:
+ self.wallets[wallet] = None
def close_client(self, client):
with self.lock:
if client in self.clients:
self.clients.remove(client)
- client.close()
+ if client:
+ client.close()
def close_wallet(self, wallet):
# Remove the wallet from our list; close any client
with self.lock:
- device_id = self.wallets.pop(wallet, None)
- self.close_client(self.client_by_device_id(device_id))
+ hid_id = self.wallets.pop(wallet, None)
+ self.close_client(self.client_by_hid_id(hid_id))
- def clients_of_type(self, classinfo):
+ def unpaired_clients(self, handler, classinfo):
+ '''Returns all unpaired clients of the given type.'''
+ self.scan_devices(handler)
with self.lock:
return [client for client in self.clients
- if isinstance(client, classinfo)]
-
- def client_by_device_id(self, device_id):
+ if isinstance(client, classinfo)
+ and not self.wallet_by_hid_id(client.hid_id())]
+
+ def client_by_hid_id(self, hid_id, handler=None):
+ '''Like get_client() but when we don't care about wallet pairing. If
+ a device is wiped or in bootloader mode pairing is impossible;
+ in such cases we communicate by device ID and not wallet.'''
+ if handler:
+ self.scan_devices(handler)
with self.lock:
for client in self.clients:
- if client.device_id() == device_id:
+ if client.hid_id() == hid_id:
return client
return None
- def wallet_by_device_id(self, device_id):
+ def wallet_hid_id(self, wallet):
+ with self.lock:
+ return self.wallets.get(wallet)
+
+ def wallet_by_hid_id(self, hid_id):
with self.lock:
- for wallet, wallet_device_id in self.wallets.items():
- if wallet_device_id == device_id:
+ for wallet, wallet_hid_id in self.wallets.items():
+ if wallet_hid_id == hid_id:
return wallet
return None
def paired_wallets(self):
with self.lock:
- return [wallet for (wallet, device_id) in self.wallets.items()
- if device_id is not None]
+ return [wallet for (wallet, hid_id) in self.wallets.items()
+ if hid_id is not None]
def pair_wallet(self, wallet, client):
assert client in self.clients
self.print_error("paired:", wallet, client)
- self.wallets[wallet] = client.device_id()
- client.pair_wallet(wallet)
+ self.wallets[wallet] = client.hid_id()
wallet.connected()
- def scan_devices(self):
+ def scan_devices(self, handler):
# All currently supported hardware libraries use hid, so we
# assume it here. This can be easily abstracted if necessary.
# Note this import must be local so those without hardware
@@ -326,29 +341,26 @@ class DeviceMgr(PrintError):
devices = {}
for d in hid.enumerate(0, 0):
product_key = (d['vendor_id'], d['product_id'])
- device_id = d['serial_number']
- path = d['path']
-
- handler = self.recognised_hardware.get(product_key)
- if handler:
- devices[device_id] = (handler, path, product_key)
+ create_client = self.recognised_hardware.get(product_key)
+ if create_client:
+ devices[d['serial_number']] = (create_client, d['path'])
# Now find out what was disconnected
with self.lock:
disconnected = [client for client in self.clients
- if not client.device_id() in devices]
+ if not client.hid_id() in devices]
# Close disconnected clients after informing their wallets
for client in disconnected:
- wallet = self.wallet_by_device_id(client.device_id())
+ wallet = self.wallet_by_hid_id(client.hid_id())
if wallet:
wallet.disconnected()
self.close_client(client)
# Now see if any new devices are present.
- for device_id, (handler, path, product_key) in devices.items():
+ for hid_id, (create_client, path) in devices.items():
try:
- client = handler.create_client(path, product_key)
+ client = create_client(path, handler, hid_id)
except BaseException as e:
self.print_error("could not create client", str(e))
client = None
@@ -357,21 +369,26 @@ class DeviceMgr(PrintError):
with self.lock:
self.clients.append(client)
# Inform re-paired wallet
- wallet = self.wallet_by_device_id(device_id)
+ wallet = self.wallet_by_hid_id(hid_id)
if wallet:
self.pair_wallet(wallet, client)
- def get_client(self, wallet, lookup=PAIRED):
- '''Returns a client for the wallet, or None if one could not be
- found.'''
- with self.lock:
- device_id = self.wallets.get(wallet)
- client = self.client_by_device_id(device_id)
- if client:
- return client
-
- if lookup == DeviceMgr.CACHED:
- return None
+ def get_client(self, wallet, force_pair=True):
+ '''Returns a client for the wallet, or None if one could not be found.
+ If force_pair is False then if an already paired client cannot
+ be found None is returned rather than requiring user
+ interaction.'''
+ # We must scan devices to get an up-to-date idea of which
+ # devices are present. Operating on a client when its device
+ # has been removed can cause the process to hang.
+ # Unfortunately there is no plugged / unplugged notification
+ # system.
+ self.scan_devices(wallet.handler)
+
+ # Previously paired wallets only need look for matching HID IDs
+ hid_id = self.wallet_hid_id(wallet)
+ if hid_id:
+ return self.client_by_hid_id(hid_id)
first_address, derivation = wallet.first_address()
# Wallets don't have a first address in the install wizard
@@ -380,29 +397,15 @@ class DeviceMgr(PrintError):
self.print_error("no first address for ", wallet)
return None
- # We didn't find it, so scan for new devices. We scan as
- # little as possible: some people report a USB scan is slow on
- # Linux when a Trezor is plugged in
- self.scan_devices()
-
with self.lock:
- # Maybe the scan found it? If the wallet has a device_id
- # from a prior pairing, we can determine success now.
- if device_id:
- return self.client_by_device_id(device_id)
-
- # Stop here if no wake and we couldn't find it.
- if lookup == DeviceMgr.PRESENT:
- return None
-
# The wallet has not been previously paired, so get the
# first address of all unpaired clients and compare.
for client in self.clients:
# If already paired skip it
- if self.wallet_by_device_id(client.device_id()):
+ if self.wallet_by_hid_id(client.hid_id()):
continue
# This will trigger a PIN/passphrase entry request
- if client.first_address(wallet, derivation) == first_address:
+ if client.first_address(derivation) == first_address:
self.pair_wallet(wallet, client)
return client
diff --git a/plugins/trezor/client.py b/plugins/trezor/client.py
@@ -29,7 +29,7 @@ class GuiMixin(object):
else:
cancel_callback = None
- self.handler().show_message(message % self.device, cancel_callback)
+ self.handler.show_message(message % self.device, cancel_callback)
return self.proto.ButtonAck()
def callback_PinMatrixRequest(self, msg):
@@ -42,21 +42,21 @@ class GuiMixin(object):
"Note the numbers have been shuffled!"))
else:
msg = _("Please enter %s PIN")
- pin = self.handler().get_pin(msg % self.device)
+ pin = self.handler.get_pin(msg % self.device)
if not pin:
return self.proto.Cancel()
return self.proto.PinMatrixAck(pin=pin)
def callback_PassphraseRequest(self, req):
msg = _("Please enter your %s passphrase")
- passphrase = self.handler().get_passphrase(msg % self.device)
+ passphrase = self.handler.get_passphrase(msg % self.device)
if passphrase is None:
return self.proto.Cancel()
return self.proto.PassphraseAck(passphrase=passphrase)
def callback_WordRequest(self, msg):
msg = _("Enter seed word as explained on your %s") % self.device
- word = self.handler().get_word(msg)
+ word = self.handler.get_word(msg)
if word is None:
return self.proto.Cancel()
return self.proto.WordAck(word=word)
@@ -67,39 +67,31 @@ def trezor_client_class(protocol_mixin, base_client, proto):
class TrezorClient(protocol_mixin, GuiMixin, base_client, PrintError):
- def __init__(self, transport, path, plugin):
+ def __init__(self, transport, handler, plugin, hid_id):
base_client.__init__(self, transport)
protocol_mixin.__init__(self, transport)
self.proto = proto
self.device = plugin.device
- self.path = path
- self.wallet = None
- self.plugin = plugin
+ self.handler = handler
+ self.hid_id_ = hid_id
self.tx_api = plugin
self.msg_code_override = None
def __str__(self):
- return "%s/%s/%s" % (self.label(), self.device_id(), self.path)
+ return "%s/%s" % (self.label(), self.hid_id())
def label(self):
'''The name given by the user to the device.'''
return self.features.label
- def device_id(self):
- '''The device serial number.'''
- return self.features.device_id
+ def hid_id(self):
+ '''The HID ID of the device.'''
+ return self.hid_id_
def is_initialized(self):
'''True if initialized, False if wiped.'''
return self.features.initialized
- def pair_wallet(self, wallet):
- self.wallet = wallet
-
- def handler(self):
- assert self.wallet and self.wallet.handler
- return self.wallet.handler
-
# Copied from trezorlib/client.py as there it is not static, sigh
@staticmethod
def expand_path(n):
@@ -116,14 +108,8 @@ def trezor_client_class(protocol_mixin, base_client, proto):
path.append(abs(int(x)) | prime)
return path
- def first_address(self, wallet, derivation):
- assert not self.wallet
- # Assign the wallet so we have a handler
- self.wallet = wallet
- try:
- return self.address_from_derivation(derivation)
- finally:
- self.wallet = None
+ def first_address(self, derivation):
+ return self.address_from_derivation(derivation)
def address_from_derivation(self, derivation):
return self.get_address('Bitcoin', self.expand_path(derivation))
@@ -188,14 +174,13 @@ def trezor_client_class(protocol_mixin, base_client, proto):
any dialog box it opened.'''
def wrapped(self, *args, **kwargs):
- handler = self.handler()
try:
return func(self, *args, **kwargs)
except BaseException as e:
- handler.show_error(str(e))
+ self.handler.show_error(str(e))
raise e
finally:
- handler.finished()
+ self.handler.finished()
return wrapped
diff --git a/plugins/trezor/plugin.py b/plugins/trezor/plugin.py
@@ -35,15 +35,13 @@ class TrezorCompatibleWallet(BIP44_Wallet):
def __init__(self, storage):
BIP44_Wallet.__init__(self, storage)
- # This is set when paired with a device, and used to re-pair
- # a device that is disconnected and re-connected
- self.device_id = None
# After timeout seconds we clear the device session
self.session_timeout = storage.get('session_timeout', 180)
# Errors and other user interaction is done through the wallet's
# handler. The handler is per-window and preserved across
# device reconnects
self.handler = None
+ self.force_watching_only = True
def set_session_timeout(self, seconds):
self.print_error("setting session timeout to %d seconds" % seconds)
@@ -54,12 +52,14 @@ class TrezorCompatibleWallet(BIP44_Wallet):
'''A device paired with the wallet was diconnected. Note this is
called in the context of the Plugins thread.'''
self.print_error("disconnected")
+ self.force_watching_only = True
self.handler.watching_only_changed()
def connected(self):
'''A device paired with the wallet was (re-)connected. Note this
is called in the context of the Plugins thread.'''
self.print_error("connected")
+ self.force_watching_only = False
self.handler.watching_only_changed()
def timeout(self):
@@ -77,17 +77,15 @@ class TrezorCompatibleWallet(BIP44_Wallet):
return False
def is_watching_only(self):
- '''The wallet is watching-only if its trezor device is not connected,
- or if it is connected but uninitialized.'''
+ '''The wallet is watching-only if its trezor device is unpaired.'''
assert not self.has_seed()
- client = self.get_client(DeviceMgr.CACHED)
- return not (client and client.is_initialized())
+ return self.force_watching_only
def can_change_password(self):
return False
- def get_client(self, lookup=DeviceMgr.PAIRED):
- return self.plugin.get_client(self, lookup)
+ def get_client(self, force_pair=True):
+ return self.plugin.get_client(self, force_pair)
def first_address(self):
'''Used to check a hardware wallet matches a software wallet'''
@@ -170,7 +168,8 @@ class TrezorCompatiblePlugin(BasePlugin, ThreadJob):
self.wallet_class.plugin = self
self.prevent_timeout = time.time() + 3600 * 24 * 365
if self.libraries_available:
- self.device_manager().register_devices(self, self.DEVICE_IDS)
+ self.device_manager().register_devices(
+ self.DEVICE_IDS, self.create_client)
def is_enabled(self):
return self.libraries_available
@@ -188,15 +187,15 @@ class TrezorCompatiblePlugin(BasePlugin, ThreadJob):
now = time.time()
for wallet in self.device_manager().paired_wallets():
if (isinstance(wallet, self.wallet_class)
- and hasattr(wallet, 'last_operation')
- and now > wallet.last_operation + wallet.session_timeout):
- client = self.get_client(wallet, DeviceMgr.CACHED)
+ and hasattr(wallet, 'last_operation')
+ and now > wallet.last_operation + wallet.session_timeout):
+ client = self.get_client(wallet, force_pair=False)
if client:
- wallet.last_operation = self.prevent_timeout
client.clear_session()
+ wallet.last_operation = self.prevent_timeout
wallet.timeout()
- def create_client(self, path, product_key):
+ def create_client(self, path, handler, hid_id):
pair = ((None, path) if self.HidTransport._detect_debuglink(path)
else (path, None))
try:
@@ -206,14 +205,14 @@ class TrezorCompatiblePlugin(BasePlugin, ThreadJob):
self.print_error("cannot connect at", path, str(e))
return None
self.print_error("connected to device at", path)
- return self.client_class(transport, path, self)
+ return self.client_class(transport, handler, self, hid_id)
- def get_client(self, wallet, lookup=DeviceMgr.PAIRED, check_firmware=True):
- '''check_firmware is ignored unless doing a PAIRED lookup.'''
- client = self.device_manager().get_client(wallet, lookup)
+ def get_client(self, wallet, force_pair=True, check_firmware=True):
+ '''check_firmware is ignored unless force_pair is True.'''
+ client = self.device_manager().get_client(wallet, force_pair)
- # Try a ping if doing at least a PRESENT lookup
- if client and lookup != DeviceMgr.CACHED:
+ # Try a ping for device sanity
+ if client:
self.print_error("set last_operation")
wallet.last_operation = time.time()
try:
@@ -224,7 +223,7 @@ class TrezorCompatiblePlugin(BasePlugin, ThreadJob):
self.device_manager().close_client(client)
client = None
- if lookup == DeviceMgr.PAIRED:
+ if force_pair:
assert wallet.handler
if not client:
msg = (_('Could not connect to your %s. Verify the '
@@ -295,19 +294,25 @@ class TrezorCompatiblePlugin(BasePlugin, ThreadJob):
client.load_device_by_xprv(item, pin, passphrase_protection,
label, language)
+ def unpaired_clients(self, handler):
+ '''Returns all connected, unpaired devices as a list of clients and a
+ list of descriptions.'''
+ devmgr = self.device_manager()
+ clients = devmgr.unpaired_clients(handler, self.client_class)
+ states = [_("wiped"), _("initialized")]
+ def client_desc(client):
+ label = client.label() or _("An unnamed device")
+ state = states[client.is_initialized()]
+ return ("%s: serial number %s (%s)"
+ % (label, client.hid_id(), state))
+ return clients, list(map(client_desc, clients))
+
def select_device(self, wallet):
'''Called when creating a new wallet. Select the device to use. If
the device is uninitialized, go through the intialization
process.'''
- self.device_manager().scan_devices()
- clients = self.device_manager().clients_of_type(self.client_class)
- suffixes = [_(" (wiped)"), _(" (initialized)")]
- def client_desc(client):
- label = client.label() or _("An unnamed device")
- return label + suffixes[client.is_initialized()]
- labels = list(map(client_desc, clients))
-
msg = _("Please select which %s device to use:") % self.device
+ clients, labels = self.unpaired_clients(wallet.handler)
client = clients[wallet.handler.query_choice(msg, labels)]
self.device_manager().pair_wallet(wallet, client)
if not client.is_initialized():
diff --git a/plugins/trezor/qt_generic.py b/plugins/trezor/qt_generic.py
@@ -261,29 +261,69 @@ def qt_plugin_class(base_plugin_class):
lambda: self.show_address(wallet, addrs[0]))
def settings_dialog(self, window):
- dialog = SettingsDialog(window, self)
- window.wallet.handler.exec_dialog(dialog)
+ hid_id = self.choose_device(window)
+ if hid_id:
+ dialog = SettingsDialog(window, self, hid_id)
+ window.wallet.handler.exec_dialog(dialog)
+
+ def choose_device(self, window):
+ '''This dialog box should be usable even if the user has
+ forgotten their PIN or it is in bootloader mode.'''
+ handler = window.wallet.handler
+ hid_id = self.device_manager().wallet_hid_id(window.wallet)
+ if not hid_id:
+ clients, labels = self.unpaired_clients(handler)
+ if clients:
+ msg = _("Select a %s device:") % self.device
+ choice = self.query_choice(window, msg, labels)
+ if choice is not None:
+ hid_id = clients[choice].hid_id()
+ else:
+ handler.show_error(_("No devices found"))
+ return hid_id
+
+ def query_choice(self, window, msg, choices):
+ dialog = WindowModalDialog(window)
+ clayout = ChoicesLayout(msg, choices)
+ layout = clayout.layout()
+ layout.addStretch(1)
+ layout.addLayout(Buttons(CancelButton(dialog), OkButton(dialog)))
+ dialog.setLayout(layout)
+ if not dialog.exec_():
+ return None
+ return clayout.selected_index()
+
return QtPlugin
class SettingsDialog(WindowModalDialog):
+ '''This dialog doesn't require a device be paired with a wallet.
+ We want users to be able to wipe a device even if they've forgotten
+ their PIN.'''
- def __init__(self, window, plugin):
- self.plugin = plugin
- self.window = window # The main electrum window
+ def __init__(self, window, plugin, hid_id):
title = _("%s Settings") % plugin.device
super(SettingsDialog, self).__init__(window, title)
self.setMaximumWidth(540)
+
+ devmgr = plugin.device_manager()
+ handler = window.wallet.handler
+ # wallet can be None, needn't be window.wallet
+ wallet = devmgr.wallet_by_hid_id(hid_id)
hs_rows, hs_cols = (64, 128)
- def get_client(lookup=DeviceMgr.PAIRED):
- return self.plugin.get_client(wallet, lookup)
+ def get_client():
+ client = devmgr.client_by_hid_id(hid_id, handler)
+ if not client:
+ self.show_error("Device not connected!")
+ raise RuntimeError("Device not connected")
+ return client
def update():
- features = get_client(DeviceMgr.PAIRED).features
- self.features = features
- # The above was for outer scopes. Now the real logic.
+ # self.features for outer scopes
+ client = get_client()
+ features = self.features = client.features
set_label_enabled()
bl_hash = features.bootloader_hash.encode('hex')
bl_hash = "\n".join([bl_hash[:32], bl_hash[32:]])
@@ -301,6 +341,7 @@ class SettingsDialog(WindowModalDialog):
bl_hash_label.setText(bl_hash)
label_edit.setText(features.label)
device_id_label.setText(features.device_id)
+ serial_number_label.setText(client.hid_id())
initialized_label.setText(noyes[features.initialized])
version_label.setText(version)
coins_label.setText(coins)
@@ -309,7 +350,6 @@ class SettingsDialog(WindowModalDialog):
pin_button.setText(setchange[features.pin_protection])
pin_msg.setVisible(not features.pin_protection)
passphrase_button.setText(endis[features.passphrase_protection])
-
language_label.setText(features.language)
def set_label_enabled():
@@ -331,7 +371,7 @@ class SettingsDialog(WindowModalDialog):
if not self.question(msg, title=title):
return
get_client().toggle_passphrase()
- self.device_manager().close_wallet(wallet) # Unpair
+ devmgr.unpair(hid_id)
update()
def change_homescreen():
@@ -362,27 +402,25 @@ class SettingsDialog(WindowModalDialog):
set_pin(remove=True)
def wipe_device():
- # FIXME: cannot yet wipe a device that is only plugged in
- if sum(wallet.get_balance()):
+ if wallet and sum(wallet.get_balance()):
title = _("Confirm Device Wipe")
msg = _("Are you SURE you want to wipe the device?\n"
"Your wallet still has bitcoins in it!")
if not self.question(msg, title=title,
icon=QMessageBox.Critical):
return
- # Note: we use PRESENT so that a user who has forgotten
- # their PIN is not prevented from wiping their device
- get_client(DeviceMgr.PRESENT).wipe_device()
- self.device_manager().close_wallet(wallet)
+ get_client().wipe_device()
+ devmgr.unpair(hid_id)
update()
def slider_moved():
mins = timeout_slider.sliderPosition()
timeout_minutes.setText(_("%2d minutes") % mins)
- wallet = window.wallet
- handler = wallet.handler
- device = plugin.device
+ def slider_released():
+ seconds = timeout_slider.sliderPosition() * 60
+ wallet.set_session_timeout(seconds)
+
dialog_vbox = QVBoxLayout(self)
# Information tab
@@ -394,6 +432,7 @@ class SettingsDialog(WindowModalDialog):
pin_set_label = QLabel()
version_label = QLabel()
device_id_label = QLabel()
+ serial_number_label = QLabel()
bl_hash_label = QLabel()
bl_hash_label.setWordWrap(True)
coins_label = QLabel()
@@ -404,7 +443,8 @@ class SettingsDialog(WindowModalDialog):
(_("Device Label"), device_label),
(_("PIN set"), pin_set_label),
(_("Firmware Version"), version_label),
- (_("Serial Number"), device_id_label),
+ (_("Device ID"), device_id_label),
+ (_("Serial Number"), serial_number_label),
(_("Bootloader Hash"), bl_hash_label),
(_("Supported Coins"), coins_label),
(_("Language"), language_label),
@@ -419,7 +459,6 @@ class SettingsDialog(WindowModalDialog):
settings_tab = QWidget()
settings_layout = QVBoxLayout(settings_tab)
settings_glayout = QGridLayout()
- #settings_glayout.setColumnStretch(3, 1)
# Settings tab - Label
label_msg = QLabel(_("Name this %s. If you have mutiple devices "
@@ -429,7 +468,7 @@ class SettingsDialog(WindowModalDialog):
label_label = QLabel(_("Device Label"))
label_edit = QLineEdit()
label_edit.setMinimumWidth(150)
- label_edit.setMaxLength(self.plugin.MAX_LABEL_LEN)
+ label_edit.setMaxLength(plugin.MAX_LABEL_LEN)
label_apply = QPushButton(_("Apply"))
label_apply.clicked.connect(rename)
label_edit.textChanged.connect(set_label_enabled)
@@ -451,7 +490,6 @@ class SettingsDialog(WindowModalDialog):
pin_msg.setWordWrap(True)
pin_msg.setStyleSheet("color: red")
settings_glayout.addWidget(pin_msg, 3, 1, 1, -1)
- settings_layout.addLayout(settings_glayout)
# Settings tab - Homescreen
homescreen_layout = QHBoxLayout()
@@ -471,25 +509,31 @@ class SettingsDialog(WindowModalDialog):
settings_glayout.addWidget(homescreen_msg, 5, 1, 1, -1)
# Settings tab - Session Timeout
- timeout_label = QLabel(_("Session Timeout"))
- timeout_minutes = QLabel()
- timeout_slider = self.slider = QSlider(Qt.Horizontal)
- timeout_slider.setRange(1, 60)
- timeout_slider.setSingleStep(1)
- timeout_slider.setSliderPosition(wallet.session_timeout // 60)
- timeout_slider.setTickInterval(5)
- timeout_slider.setTickPosition(QSlider.TicksBelow)
- timeout_slider.setTracking(True)
- timeout_slider.valueChanged.connect(slider_moved)
- timeout_msg = QLabel(_("Clear the session after the specified period "
- "of inactivity. Once a session has timed out, "
- "your PIN and passphrase (if enabled) must be "
- "re-entered to use the device."))
- timeout_msg.setWordWrap(True)
- settings_glayout.addWidget(timeout_label, 6, 0)
- settings_glayout.addWidget(timeout_slider, 6, 1, 1, 3)
- settings_glayout.addWidget(timeout_minutes, 6, 4)
- settings_glayout.addWidget(timeout_msg, 7, 1, 1, -1)
+ if wallet:
+ timeout_label = QLabel(_("Session Timeout"))
+ timeout_minutes = QLabel()
+ timeout_slider = QSlider(Qt.Horizontal)
+ timeout_slider.setRange(1, 60)
+ timeout_slider.setSingleStep(1)
+ timeout_slider.setTickInterval(5)
+ timeout_slider.setTickPosition(QSlider.TicksBelow)
+ timeout_slider.setTracking(True)
+ timeout_msg = QLabel(
+ _("Clear the session after the specified period "
+ "of inactivity. Once a session has timed out, "
+ "your PIN and passphrase (if enabled) must be "
+ "re-entered to use the device."))
+ timeout_msg.setWordWrap(True)
+ timeout_slider.setSliderPosition(wallet.session_timeout // 60)
+ slider_moved()
+ timeout_slider.valueChanged.connect(slider_moved)
+ timeout_slider.sliderReleased.connect(slider_released)
+ settings_glayout.addWidget(timeout_label, 6, 0)
+ settings_glayout.addWidget(timeout_slider, 6, 1, 1, 3)
+ settings_glayout.addWidget(timeout_minutes, 6, 4)
+ settings_glayout.addWidget(timeout_msg, 7, 1, 1, -1)
+ settings_layout.addLayout(settings_glayout)
+ settings_layout.addStretch(1)
# Advanced tab
advanced_tab = QWidget()
@@ -499,9 +543,9 @@ class SettingsDialog(WindowModalDialog):
# Advanced tab - clear PIN
clear_pin_button = QPushButton(_("Disable PIN"))
clear_pin_button.clicked.connect(clear_pin)
- clear_pin_warning = QLabel(_("If you disable your PIN, anyone with "
- "physical access to your %s device can "
- "spend your bitcoins.") % plugin.device)
+ clear_pin_warning = QLabel(
+ _("If you disable your PIN, anyone with physical access to your "
+ "%s device can spend your bitcoins.") % plugin.device)
clear_pin_warning.setWordWrap(True)
clear_pin_warning.setStyleSheet("color: red")
advanced_glayout.addWidget(clear_pin_button, 0, 2)
@@ -552,14 +596,7 @@ class SettingsDialog(WindowModalDialog):
tabs.addTab(settings_tab, _("Settings"))
tabs.addTab(advanced_tab, _("Advanced"))
- # Update information and then connect change slots
+ # Update information
update()
- slider_moved()
-
dialog_vbox.addWidget(tabs)
dialog_vbox.addLayout(Buttons(CloseButton(self)))
-
- def closeEvent(self, event):
- seconds = self.slider.sliderPosition() * 60
- self.window.wallet.set_session_timeout(seconds)
- event.accept()
