tTreozr: improved settings screen - electrum - Electrum Bitcoin wallet
(HTM) git clone https://git.parazyd.org/electrum
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---
(DIR) commit a3bced210d8b66fc52ecf6ddaae63daa4fae0f44
(DIR) parent b21ea13940c123bfebc82b8607e3131446754717
(HTM) Author: Neil Booth <kyuupichan@gmail.com>
Date: Fri, 8 Jan 2016 00:31:02 +0900
Treozr: improved settings screen
Nicer layout. Split into three tabs.
Diffstat:
M plugins/trezor/client.py | 8 ++++++++
M plugins/trezor/plugin.py | 8 +++-----
M plugins/trezor/qt_generic.py | 332 +++++++++++++++++++++----------
3 files changed, 238 insertions(+), 110 deletions(-)
---
(DIR) diff --git a/plugins/trezor/client.py b/plugins/trezor/client.py
t@@ -14,6 +14,7 @@ class GuiMixin(object):
10: _("Confirm address on %s device to continue"),
'change pin': _("Confirm PIN change on %s device to continue"),
'default': _("Check %s device to continue"),
+ 'homescreen': _("Confirm home screen change on %s device to continue"),
'label': _("Confirm label change on %s device to continue"),
'remove pin': _("Confirm removal of PIN on %s device to continue"),
'passphrase': _("Confirm on %s device to continue"),
t@@ -142,6 +143,13 @@ def trezor_client_class(protocol_mixin, base_client, proto):
finally:
self.msg_code_override = None
+ def change_homescreen(self, homescreen):
+ self.msg_code_override = 'homescreen'
+ try:
+ self.apply_settings(homescreen=homescreen)
+ finally:
+ self.msg_code_override = None
+
def set_pin(self, remove):
self.msg_code_override = 'remove pin' if remove else 'change pin'
try:
(DIR) diff --git a/plugins/trezor/plugin.py b/plugins/trezor/plugin.py
t@@ -60,10 +60,6 @@ class TrezorCompatibleWallet(BIP44_Wallet):
self.print_error("connected")
self.handler.watching_only_changed()
- def wiped(self):
- self.print_error("wiped")
- self.handler.watching_only_changed()
-
def timeout(self):
'''Informs the wallet it timed out. Note this is called from
the Plugins thread.'''
t@@ -164,6 +160,8 @@ class TrezorCompatiblePlugin(BasePlugin, ThreadJob):
# libraries_available, libraries_URL, minimum_firmware,
# wallet_class, ckd_public, types, HidTransport
+ MAX_LABEL_LEN = 32
+
def __init__(self, parent, config, name):
BasePlugin.__init__(self, parent, config, name)
self.device = self.wallet_class.device
t@@ -257,7 +255,7 @@ class TrezorCompatiblePlugin(BasePlugin, ThreadJob):
"The first two are secure as no secret information is entered "
"onto your computer.\nFor the last two methods you enter "
"secrets into your computer and upload them to the device, "
- "and so should only be done on a computer you know to be "
+ "and so you should do those on a computer you know to be "
"trustworthy and free of malware."
) % self.device
(DIR) diff --git a/plugins/trezor/qt_generic.py b/plugins/trezor/qt_generic.py
t@@ -1,5 +1,6 @@
from functools import partial
import threading
+from PIL import Image
from PyQt4.Qt import Qt
from PyQt4.Qt import QGridLayout, QInputDialog, QPushButton
t@@ -168,47 +169,63 @@ 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)
+
+ return QtPlugin
- def get_client(lookup=DeviceMgr.PAIRED):
- return self.get_client(wallet, lookup)
- def add_rows_to_layout(layout, rows):
- for row_num, items in enumerate(rows):
- for col_num, txt in enumerate(items):
- widget = txt if isinstance(txt, QWidget) else QLabel(txt)
- layout.addWidget(widget, row_num, col_num)
+class SettingsDialog(WindowModalDialog):
+
+ def __init__(self, window, plugin):
+ self.plugin = plugin
+ self.window = window # The main electrum window
+ title = _("%s Settings") % plugin.device
+ super(SettingsDialog, self).__init__(window, title)
+ self.setMaximumWidth(540)
+ hs_rows, hs_cols = (64, 128)
+
+ def get_client(lookup=DeviceMgr.PAIRED):
+ return self.plugin.get_client(wallet, lookup)
- def refresh():
+ def update():
features = get_client(DeviceMgr.PAIRED).features
- bl_hash = features.bootloader_hash.encode('hex').upper()
- bl_hash = "%s...%s" % (bl_hash[:10], bl_hash[-10:])
+ self.features = features
+ # The above was for outer scopes. Now the real logic.
+ set_label_enabled()
+ bl_hash = features.bootloader_hash.encode('hex')
+ bl_hash = "\n".join([bl_hash[:32], bl_hash[32:]])
+ noyes = [_("No"), _("Yes")]
+ endis = [_("Enable Passphrases"), _("Disable Passphrases")]
+ setchange = [_("Set a PIN"), _("Change PIN")]
+
version = "%d.%d.%d" % (features.major_version,
features.minor_version,
features.patch_version)
coins = ", ".join(coin.coin_name for coin in features.coins)
- bl_hash_label.setText(bl_hash)
device_label.setText(features.label)
+ pin_set_label.setText(noyes[features.pin_protection])
+ bl_hash_label.setText(bl_hash)
+ label_edit.setText(features.label)
device_id_label.setText(features.device_id)
initialized_label.setText(noyes[features.initialized])
version_label.setText(version)
coins_label.setText(coins)
- pin_label.setText(noyes[features.pin_protection])
- passphrase_label.setText(noyes[features.passphrase_protection])
+ clear_pin_button.setVisible(features.pin_protection)
+ clear_pin_warning.setVisible(features.pin_protection)
+ 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)
- pin_button.setText(_("Change") if features.pin_protection
- else _("Set"))
- clear_pin_button.setVisible(features.pin_protection)
+ def set_label_enabled():
+ label_apply.setEnabled(label_edit.text() != self.features.label)
def rename():
- title = _("Set Device Label")
- msg = _("Enter new label:")
- response = QInputDialog().getText(dialog, title, msg)
- if not response[1]:
- return
- get_client().change_label(str(response[0]))
- refresh()
+ get_client().change_label(unicode(label_edit.text()))
+ update()
def toggle_passphrase():
title = _("Confirm Toggle Passphrase Protection")
t@@ -216,38 +233,44 @@ def qt_plugin_class(base_plugin_class):
"unless your passphrase was or will be empty.\n\n"
"This is because addresses will no "
"longer correspond to those used by your %s.\n\n"
- "If your passphrase is not or was not empty you will "
- "need to create a new Electrum wallet with the install "
- "wizard so that they match.\n\n"
- "Are you sure you want to proceed?") % device
+ "You will need to create a new Electrum wallet "
+ "with the install wizard so that they match.\n\n"
+ "Are you sure you want to proceed?") % plugin.device
if not dialog.question(msg, title=title):
return
get_client().toggle_passphrase()
self.device_manager().close_wallet(wallet) # Unpair
- refresh()
-
- def set_pin():
- get_client().set_pin(remove=False)
- refresh()
+ update()
+
+ def change_homescreen():
+ dialog = QFileDialog(self, _("Choose Homescreen"))
+ filename = dialog.getOpenFileName()
+ if filename:
+ im = Image.open(str(filename))
+ if im.size != (hs_cols, hs_rows):
+ raise Exception('Image must be 64 x 128 pixels')
+ im = im.convert('1')
+ pix = im.load()
+ img = ''
+ for j in range(hs_rows):
+ for i in range(hs_cols):
+ img += '1' if pix[i, j] else '0'
+ img = ''.join(chr(int(img[i:i + 8], 2))
+ for i in range(0, len(img), 8))
+ get_client().change_homescreen(img)
+
+ def clear_homescreen():
+ get_client().change_homescreen('\x00')
+
+ def set_pin(remove=False):
+ get_client().set_pin(remove=remove)
+ update()
def clear_pin():
- title = _("Confirm Clear PIN")
- msg = _("WARNING: if your clear your PIN, anyone with physical "
- "access to your %s device can spend your bitcoins.\n\n"
- "Are you certain you want to remove your PIN?") % device
- if not dialog.question(msg, title=title):
- return
- get_client().set_pin(remove=True)
- refresh()
+ set_pin(remove=True)
def wipe_device():
# FIXME: cannot yet wipe a device that is only plugged in
- title = _("Confirm Device Wipe")
- msg = _("Are you sure you want to wipe the device? "
- "You should make sure you have a copy of your recovery "
- "seed and that your wallet holds no bitcoins.")
- if not dialog.question(msg, title=title):
- return
if sum(wallet.get_balance()):
title = _("Confirm Device Wipe")
msg = _("Are you SURE you want to wipe the device?\n"
t@@ -258,56 +281,107 @@ def qt_plugin_class(base_plugin_class):
# 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()
- wallet.wiped()
self.device_manager().close_wallet(wallet)
- refresh()
+ update()
def slider_moved():
mins = timeout_slider.sliderPosition()
- timeout_label.setText(_("%2d minutes") % mins)
+ timeout_minutes.setText(_("%2d minutes") % mins)
wallet = window.wallet
handler = wallet.handler
- device = self.device
+ device = plugin.device
+ dialog_vbox = QVBoxLayout(self)
+ # Information tab
info_tab = QWidget()
- tab_layout = QVBoxLayout(info_tab)
- info_layout = QGridLayout()
- noyes = [_("No"), _("Yes")]
+ info_layout = QVBoxLayout(info_tab)
+ info_glayout = QGridLayout()
+ info_glayout.setColumnStretch(2, 1)
+ device_label = QLabel()
+ pin_set_label = QLabel()
+ version_label = QLabel()
+ device_id_label = QLabel()
bl_hash_label = QLabel()
+ bl_hash_label.setWordWrap(True)
coins_label = QLabel()
coins_label.setWordWrap(True)
- device_label = QLabel()
- passphrase_label = QLabel()
- initialized_label = QLabel()
- device_id_label = QLabel()
- version_label = QLabel()
- pin_label = QLabel()
language_label = QLabel()
- rename_button = QPushButton(_("Rename"))
- rename_button.clicked.connect(rename)
- toggle_passphrase_button = QPushButton(_("Toggle"))
- toggle_passphrase_button.clicked.connect(toggle_passphrase)
- pin_button = QPushButton()
- pin_button.clicked.connect(set_pin)
- clear_pin_button = QPushButton(_("Clear"))
- clear_pin_button.clicked.connect(clear_pin)
-
- add_rows_to_layout(info_layout, [
- (_("Device Label"), device_label, rename_button),
- (_("Has Passphrase"), passphrase_label, toggle_passphrase_button),
- (_("Has PIN"), pin_label, pin_button, clear_pin_button),
- (_("Initialized"), initialized_label),
- (_("Device ID"), device_id_label),
- (_("Bootloader Hash"), bl_hash_label),
+ initialized_label = QLabel()
+ rows = [
+ (_("Device Label"), device_label),
+ (_("PIN set"), pin_set_label),
(_("Firmware Version"), version_label),
+ (_("Serial Number"), device_id_label),
+ (_("Bootloader Hash"), bl_hash_label),
(_("Supported Coins"), coins_label),
(_("Language"), language_label),
- ])
-
- timeout_layout = QHBoxLayout()
- timeout_label = QLabel()
- timeout_slider = QSlider(Qt.Horizontal)
+ (_("Initialized"), initialized_label),
+ ]
+ for row_num, (label, widget) in enumerate(rows):
+ info_glayout.addWidget(QLabel(label), row_num, 0)
+ info_glayout.addWidget(widget, row_num, 1)
+ info_layout.addLayout(info_glayout)
+
+ # Settings tab
+ 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 "
+ "their labels help distinguish them.")
+ % plugin.device)
+ label_msg.setWordWrap(True)
+ label_label = QLabel(_("Device Label"))
+ label_edit = QLineEdit()
+ label_edit.setMinimumWidth(150)
+ label_edit.setMaxLength(self.plugin.MAX_LABEL_LEN)
+ label_apply = QPushButton(_("Apply"))
+ label_apply.clicked.connect(rename)
+ label_edit.textChanged.connect(set_label_enabled)
+ settings_glayout.addWidget(label_label, 0, 0)
+ settings_glayout.addWidget(label_edit, 0, 1, 1, 2)
+ settings_glayout.addWidget(label_apply, 0, 3)
+ settings_glayout.addWidget(label_msg, 1, 1, 1, -1)
+
+ # Settings tab - PIN
+ pin_label = QLabel(_("PIN Protection"))
+ pin_button = QPushButton()
+ pin_button.clicked.connect(set_pin)
+ settings_glayout.addWidget(pin_label, 2, 0)
+ settings_glayout.addWidget(pin_button, 2, 1)
+ pin_msg = QLabel(_("PIN protection is strongly recommended. "
+ "A PIN is your only protection against someone "
+ "stealing your bitcoins if they obtain physical "
+ "access to your %s.") % plugin.device)
+ 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()
+ homescreen_label = QLabel(_("Homescreen"))
+ homescreen_change_button = QPushButton(_("Change..."))
+ homescreen_clear_button = QPushButton(_("Reset"))
+ homescreen_change_button.clicked.connect(change_homescreen)
+ homescreen_clear_button.clicked.connect(clear_homescreen)
+ homescreen_msg = QLabel(_("You can set the homescreen on your device "
+ "to personalize it. You must choose a "
+ "%d x %d monochrome black and white image.")
+ % (hs_rows, hs_cols))
+ homescreen_msg.setWordWrap(True)
+ settings_glayout.addWidget(homescreen_label, 4, 0)
+ settings_glayout.addWidget(homescreen_change_button, 4, 1)
+ settings_glayout.addWidget(homescreen_clear_button, 4, 2)
+ 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)
t@@ -315,37 +389,85 @@ def qt_plugin_class(base_plugin_class):
timeout_slider.setTickPosition(QSlider.TicksBelow)
timeout_slider.setTracking(True)
timeout_slider.valueChanged.connect(slider_moved)
- timeout_layout.addWidget(QLabel(_("Session Timeout")))
- timeout_layout.addWidget(timeout_slider)
- timeout_layout.addWidget(timeout_label)
-
+ 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)
+
+ # Advanced tab
advanced_tab = QWidget()
- advanced_layout = QGridLayout(advanced_tab)
+ advanced_layout = QVBoxLayout(advanced_tab)
+ advanced_glayout = QGridLayout()
+
+ # 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.setWordWrap(True)
+ clear_pin_warning.setStyleSheet("color: red")
+ advanced_glayout.addWidget(clear_pin_button, 0, 2)
+ advanced_glayout.addWidget(clear_pin_warning, 1, 0, 1, 5)
+
+ # Advanced tab - toggle passphrase protection
+ passphrase_button = QPushButton()
+ passphrase_button.clicked.connect(toggle_passphrase)
+ passphrase_msg = QLabel(
+ _("Passphrases allow you to access new wallets, each "
+ "hidden behind a particular case-sensitive passphrase. You "
+ "need to create a separate Electrum wallet for each passphrase "
+ "you use as they each generate different addresses. Changing "
+ "your passphrase does not lose other wallets, each is still "
+ "accessible behind its own passphrase."))
+ passphrase_msg.setWordWrap(True)
+ passphrase_warning = QLabel(
+ _("If you forget a passphrase you will be unable to access any "
+ "bitcoins in the wallet behind it. A passphrase is not a PIN. "
+ "Only change this if you are sure you understand it."))
+ passphrase_warning.setWordWrap(True)
+ passphrase_warning.setStyleSheet("color: red")
+ advanced_glayout.addWidget(passphrase_button, 3, 2)
+ advanced_glayout.addWidget(passphrase_msg, 4, 0, 1, 5)
+ advanced_glayout.addWidget(passphrase_warning, 5, 0, 1, 5)
+
+ # Advanced tab - wipe device
wipe_device_button = QPushButton(_("Wipe Device"))
wipe_device_button.clicked.connect(wipe_device)
- add_rows_to_layout(advanced_layout, [
- (wipe_device_button, ),
- ])
-
- dialog = WindowModalDialog(window, _("%s Settings") % device)
- vbox = QVBoxLayout()
- tabs = QTabWidget()
+ wipe_device_msg = QLabel(
+ _("Wipe the device, removing all data from it. The firmware "
+ "is left unchanged."))
+ wipe_device_msg.setWordWrap(True)
+ wipe_device_warning = QLabel(
+ _("Only wipe a device if you have the recovery seed written down "
+ "and the device wallet(s) are empty, otherwise the bitcoins "
+ "will be lost forever."))
+ wipe_device_warning.setWordWrap(True)
+ wipe_device_warning.setStyleSheet("color: red")
+ advanced_glayout.addWidget(wipe_device_button, 6, 2)
+ advanced_glayout.addWidget(wipe_device_msg, 7, 0, 1, 5)
+ advanced_glayout.addWidget(wipe_device_warning, 8, 0, 1, 5)
+ advanced_layout.addLayout(advanced_glayout)
+ advanced_layout.addStretch(1)
+
+ tabs = QTabWidget(self)
tabs.addTab(info_tab, _("Information"))
+ tabs.addTab(settings_tab, _("Settings"))
tabs.addTab(advanced_tab, _("Advanced"))
- vbox.addWidget(tabs)
- vbox.addStretch(1)
- # Show values
+ # Update information and then connect change slots
+ update()
slider_moved()
- refresh()
- # QT on MacOSX is sensitive to layout ordering so these are last
- tab_layout.addLayout(info_layout)
- tab_layout.addLayout(timeout_layout)
- vbox.addLayout(Buttons(CloseButton(dialog)))
- dialog.setLayout(vbox)
+ dialog_vbox.addWidget(tabs)
+ dialog_vbox.addLayout(Buttons(CloseButton(self)))
- handler.exec_dialog(dialog)
- wallet.set_session_timeout(timeout_slider.sliderPosition() * 60)
-
- return QtPlugin
+ def closeEvent(self, event):
+ seconds = self.slider.sliderPosition() * 60
+ self.window.wallet.set_session_timeout(seconds)
+ event.accept()