129 lines
4.4 KiB
Python
129 lines
4.4 KiB
Python
#!/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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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import threading
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from PyQt4.Qt import QVBoxLayout, QLabel, SIGNAL
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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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from electrum.wallet import BIP44_Wallet
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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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qcSig = pyqtSignal(object, object)
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def __init__(self, win, device):
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super(QtHandlerBase, self).__init__()
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win.connect(win, SIGNAL('clear_dialog'), self.clear_dialog)
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win.connect(win, SIGNAL('error_dialog'), self.error_dialog)
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win.connect(win, SIGNAL('message_dialog'), self.message_dialog)
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win.connect(win, SIGNAL('passphrase_dialog'), self.passphrase_dialog)
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win.connect(win, SIGNAL('word_dialog'), self.word_dialog)
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self.qcSig.connect(self.win_query_choice)
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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 watching_only_changed(self):
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self.win.emit(SIGNAL('watching_only_changed'))
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def query_choice(self, msg, labels):
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self.done.clear()
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self.qcSig.emit(msg, labels)
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self.done.wait()
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return self.choice
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def show_message(self, msg, on_cancel=None):
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self.win.emit(SIGNAL('message_dialog'), msg, on_cancel)
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def show_error(self, msg):
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self.win.emit(SIGNAL('error_dialog'), msg)
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def finished(self):
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self.win.emit(SIGNAL('clear_dialog'))
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def get_word(self, msg):
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self.done.clear()
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self.win.emit(SIGNAL('word_dialog'), msg)
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self.done.wait()
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return self.word
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def get_passphrase(self, msg):
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self.done.clear()
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self.win.emit(SIGNAL('passphrase_dialog'), msg)
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self.done.wait()
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return self.passphrase
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def passphrase_dialog(self, msg):
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d = PasswordDialog(self.top_level_window(), None, msg, PW_PASSPHRASE)
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confirmed, p, passphrase = d.run()
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if confirmed:
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passphrase = BIP44_Wallet.normalize_passphrase(passphrase)
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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 = unicode(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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