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217 lines
7.8 KiB
217 lines
7.8 KiB
#!/usr/bin/env python2
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# -*- mode: python -*-
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#
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# Electrum - lightweight Bitcoin client
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# Copyright (C) 2016 The Electrum developers
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation files
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# (the "Software"), to deal in the Software without restriction,
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# including without limitation the rights to use, copy, modify, merge,
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# publish, distribute, sublicense, and/or sell copies of the Software,
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# and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import threading
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from PyQt5.Qt import QVBoxLayout, QLabel
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from electrum_gui.qt.password_dialog import PasswordDialog, PW_PASSPHRASE
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from electrum_gui.qt.util import *
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from electrum.i18n import _
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from electrum.util import PrintError
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# The trickiest thing about this handler was getting windows properly
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# parented on MacOSX.
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class QtHandlerBase(QObject, PrintError):
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'''An interface between the GUI (here, QT) and the device handling
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logic for handling I/O.'''
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passphrase_signal = pyqtSignal(object, object)
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message_signal = pyqtSignal(object, object)
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error_signal = pyqtSignal(object)
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word_signal = pyqtSignal(object)
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clear_signal = pyqtSignal()
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query_signal = pyqtSignal(object, object)
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yes_no_signal = pyqtSignal(object)
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status_signal = pyqtSignal(object)
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def __init__(self, win, device):
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super(QtHandlerBase, self).__init__()
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self.clear_signal.connect(self.clear_dialog)
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self.error_signal.connect(self.error_dialog)
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self.message_signal.connect(self.message_dialog)
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self.passphrase_signal.connect(self.passphrase_dialog)
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self.word_signal.connect(self.word_dialog)
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self.query_signal.connect(self.win_query_choice)
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self.yes_no_signal.connect(self.win_yes_no_question)
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self.status_signal.connect(self._update_status)
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self.win = win
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self.device = device
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self.dialog = None
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self.done = threading.Event()
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def top_level_window(self):
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return self.win.top_level_window()
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def update_status(self, paired):
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self.status_signal.emit(paired)
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def _update_status(self, paired):
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button = self.button
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icon = button.icon_paired if paired else button.icon_unpaired
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button.setIcon(QIcon(icon))
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def query_choice(self, msg, labels):
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self.done.clear()
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self.query_signal.emit(msg, labels)
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self.done.wait()
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return self.choice
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def yes_no_question(self, msg):
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self.done.clear()
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self.yes_no_signal.emit(msg)
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self.done.wait()
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return self.ok
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def show_message(self, msg, on_cancel=None):
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self.message_signal.emit(msg, on_cancel)
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def show_error(self, msg):
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self.error_signal.emit(msg)
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def finished(self):
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self.clear_signal.emit()
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def get_word(self, msg):
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self.done.clear()
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self.word_signal.emit(msg)
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self.done.wait()
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return self.word
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def get_passphrase(self, msg, confirm):
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self.done.clear()
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self.passphrase_signal.emit(msg, confirm)
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self.done.wait()
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return self.passphrase
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def passphrase_dialog(self, msg, confirm):
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# If confirm is true, require the user to enter the passphrase twice
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parent = self.top_level_window()
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if confirm:
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d = PasswordDialog(parent, None, msg, PW_PASSPHRASE)
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confirmed, p, passphrase = d.run()
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else:
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d = WindowModalDialog(parent, _("Enter Passphrase"))
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pw = QLineEdit()
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pw.setEchoMode(2)
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pw.setMinimumWidth(200)
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vbox = QVBoxLayout()
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vbox.addWidget(WWLabel(msg))
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vbox.addWidget(pw)
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vbox.addLayout(Buttons(CancelButton(d), OkButton(d)))
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d.setLayout(vbox)
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passphrase = pw.text() if d.exec_() else None
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self.passphrase = passphrase
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self.done.set()
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def word_dialog(self, msg):
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dialog = WindowModalDialog(self.top_level_window(), "")
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hbox = QHBoxLayout(dialog)
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hbox.addWidget(QLabel(msg))
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text = QLineEdit()
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text.setMaximumWidth(100)
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text.returnPressed.connect(dialog.accept)
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hbox.addWidget(text)
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hbox.addStretch(1)
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dialog.exec_() # Firmware cannot handle cancellation
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self.word = text.text()
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self.done.set()
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def message_dialog(self, msg, on_cancel):
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# Called more than once during signing, to confirm output and fee
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self.clear_dialog()
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title = _('Please check your %s device') % self.device
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self.dialog = dialog = WindowModalDialog(self.top_level_window(), title)
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l = QLabel(msg)
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vbox = QVBoxLayout(dialog)
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vbox.addWidget(l)
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if on_cancel:
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dialog.rejected.connect(on_cancel)
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vbox.addLayout(Buttons(CancelButton(dialog)))
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dialog.show()
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def error_dialog(self, msg):
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self.win.show_error(msg, parent=self.top_level_window())
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def clear_dialog(self):
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if self.dialog:
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self.dialog.accept()
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self.dialog = None
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def win_query_choice(self, msg, labels):
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self.choice = self.win.query_choice(msg, labels)
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self.done.set()
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def win_yes_no_question(self, msg):
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self.ok = self.win.question(msg)
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self.done.set()
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from electrum.plugins import hook
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from electrum.util import UserCancelled
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from electrum_gui.qt.main_window import StatusBarButton
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class QtPluginBase(object):
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@hook
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def load_wallet(self, wallet, window):
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for keystore in wallet.get_keystores():
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if not isinstance(keystore, self.keystore_class):
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continue
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if not self.libraries_available:
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window.show_error(
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_("Cannot find python library for") + " '%s'.\n" % self.name \
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+ _("Make sure you install it with python3")
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)
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return
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tooltip = self.device + '\n' + (keystore.label or 'unnamed')
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cb = partial(self.show_settings_dialog, window, keystore)
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button = StatusBarButton(QIcon(self.icon_unpaired), tooltip, cb)
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button.icon_paired = self.icon_paired
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button.icon_unpaired = self.icon_unpaired
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window.statusBar().addPermanentWidget(button)
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handler = self.create_handler(window)
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handler.button = button
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keystore.handler = handler
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keystore.thread = TaskThread(window, window.on_error)
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# Trigger a pairing
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keystore.thread.add(partial(self.get_client, keystore))
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def choose_device(self, window, keystore):
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'''This dialog box should be usable even if the user has
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forgotten their PIN or it is in bootloader mode.'''
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device_id = self.device_manager().xpub_id(keystore.xpub)
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if not device_id:
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try:
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info = self.device_manager().select_device(self, keystore.handler, keystore)
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except UserCancelled:
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return
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device_id = info.device.id_
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return device_id
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def show_settings_dialog(self, window, keystore):
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device_id = self.choose_device(window, keystore)
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