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501 lines
16 KiB
501 lines
16 KiB
from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from decimal import Decimal as D
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from i18n import _
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import decimal
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import exchange_rate
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import random
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import re
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import sys
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import time
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import wallet
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try:
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import lib.gui_qt as gui_qt
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except ImportError:
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import electrum.gui_qt as gui_qt
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bitcoin = lambda v: v * 100000000
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def IconButton(filename, parent=None):
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pixmap = QPixmap(filename)
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icon = QIcon(pixmap)
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return QPushButton(icon, "", parent)
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class Timer(QThread):
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def run(self):
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while True:
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self.emit(SIGNAL('timersignal'))
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time.sleep(0.5)
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class ElectrumGui:
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def __init__(self, wallet):
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self.wallet = wallet
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self.app = QApplication(sys.argv)
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with open("data/style.css") as style_file:
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self.app.setStyleSheet(style_file.read())
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def main(self, url):
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actuator = MiniActuator(self.wallet)
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self.mini = MiniWindow(actuator, self.expand)
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driver = MiniDriver(self.wallet, self.mini)
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timer = Timer()
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timer.start()
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self.expert = gui_qt.ElectrumWindow(self.wallet)
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self.expert.connect_slots(timer)
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self.expert.update_wallet()
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sys.exit(self.app.exec_())
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def expand(self):
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self.mini.hide()
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self.expert.show()
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class MiniWindow(QDialog):
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def __init__(self, actuator, expand_callback):
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super(MiniWindow, self).__init__()
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self.actuator = actuator
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accounts_button = IconButton("data/icons/accounts.png")
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accounts_button.setObjectName("accounts_button")
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self.accounts_selector = QMenu()
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accounts_button.setMenu(self.accounts_selector)
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interact_button = IconButton("data/icons/interact.png")
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interact_button.setObjectName("interact_button")
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app_menu = QMenu()
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report_action = app_menu.addAction(_("&Report Bug"))
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about_action = app_menu.addAction(_("&About Electrum"))
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app_menu.addSeparator()
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quit_action = app_menu.addAction(_("&Quit"))
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interact_button.setMenu(app_menu)
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self.connect(report_action, SIGNAL("triggered()"),
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self.show_report_bug)
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self.connect(about_action, SIGNAL("triggered()"), self.show_about)
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self.connect(quit_action, SIGNAL("triggered()"), self.close)
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expand_button = IconButton("data/icons/expand.png")
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expand_button.setObjectName("expand_button")
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self.connect(expand_button, SIGNAL("clicked()"), expand_callback)
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self.btc_balance = 0
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self.quote_currencies = ("EUR", "USD", "GBP")
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self.exchanger = exchange_rate.Exchanger(self.quote_currencies,
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self.refresh_balance)
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QTimer.singleShot(1000, self.exchanger.discovery)
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self.balance_label = BalanceLabel(self.change_quote_currency)
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self.balance_label.setObjectName("balance_label")
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copy_button = QPushButton(_("&Copy Address"))
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copy_button.setObjectName("copy_button")
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copy_button.setDefault(True)
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self.connect(copy_button, SIGNAL("clicked()"),
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self.actuator.copy_address)
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# Use QCompleter
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self.address_input = TextedLineEdit(_("Enter a Bitcoin address..."))
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self.address_input.setObjectName("address_input")
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self.connect(self.address_input, SIGNAL("textEdited(QString)"),
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self.address_field_changed)
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metrics = QFontMetrics(qApp.font())
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self.address_input.setMinimumWidth(
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metrics.width("1E4vM9q25xsyDwWwdqHUWnwshdWC9PykmL"))
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self.valid_address = QCheckBox()
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self.valid_address.setObjectName("valid_address")
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self.valid_address.setEnabled(False)
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self.valid_address.setChecked(False)
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address_layout = QHBoxLayout()
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address_layout.addWidget(self.address_input)
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address_layout.addWidget(self.valid_address)
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self.amount_input = TextedLineEdit(_("... and amount"))
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self.amount_input.setObjectName("amount_input")
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# This is changed according to the user's displayed balance
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self.amount_validator = QDoubleValidator(self.amount_input)
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self.amount_validator.setNotation(QDoubleValidator.StandardNotation)
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self.amount_validator.setDecimals(8)
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self.amount_input.setValidator(self.amount_validator)
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self.connect(self.amount_input, SIGNAL("textChanged(QString)"),
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self.amount_input_changed)
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amount_layout = QHBoxLayout()
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amount_layout.addWidget(self.amount_input)
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amount_layout.addStretch()
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send_button = QPushButton(_("&Send"))
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send_button.setObjectName("send_button")
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self.connect(send_button, SIGNAL("clicked()"), self.send)
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main_layout = QGridLayout(self)
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main_layout.addWidget(accounts_button, 0, 0)
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main_layout.addWidget(interact_button, 1, 0)
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main_layout.addWidget(expand_button, 2, 0)
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main_layout.addWidget(self.balance_label, 0, 1)
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main_layout.addWidget(copy_button, 0, 2)
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main_layout.addLayout(address_layout, 1, 1, 1, -1)
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main_layout.addLayout(amount_layout, 2, 1)
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main_layout.addWidget(send_button, 2, 2)
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self.setWindowTitle("Electrum")
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self.setWindowFlags(Qt.Window|Qt.MSWindowsFixedSizeDialogHint)
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self.layout().setSizeConstraint(QLayout.SetFixedSize)
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self.setObjectName("main_window")
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self.show()
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def closeEvent(self, event):
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super(MiniWindow, self).closeEvent(event)
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qApp.quit()
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def activate(self):
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pass
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def deactivate(self):
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pass
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def change_quote_currency(self):
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self.quote_currencies = \
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self.quote_currencies[1:] + self.quote_currencies[0:1]
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self.refresh_balance()
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def refresh_balance(self):
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self.set_balances(self.btc_balance)
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self.amount_input_changed(self.amount_input.text())
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def set_balances(self, btc_balance):
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self.btc_balance = btc_balance
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quote_text = self.create_quote_text(btc_balance)
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if quote_text:
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quote_text = "(%s)" % quote_text
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btc_balance = "%.2f" % (btc_balance / bitcoin(1))
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self.balance_label.set_balance_text(btc_balance, quote_text)
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main_account_info = \
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"Checking - %s BTC %s" % (btc_balance, quote_text)
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self.setWindowTitle("Electrum - %s" % main_account_info)
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self.accounts_selector.clear()
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self.accounts_selector.addAction("%s" % main_account_info)
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def amount_input_changed(self, amount_text):
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try:
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amount = D(str(amount_text))
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except decimal.InvalidOperation:
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self.balance_label.show_balance()
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else:
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quote_text = self.create_quote_text(amount * bitcoin(1))
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if quote_text:
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self.balance_label.set_amount_text(quote_text)
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self.balance_label.show_amount()
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else:
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self.balance_label.show_balance()
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def create_quote_text(self, btc_balance):
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quote_currency = self.quote_currencies[0]
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quote_balance = self.exchanger.exchange(btc_balance, quote_currency)
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if quote_balance is None:
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quote_text = ""
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else:
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quote_text = "%.2f %s" % ((quote_balance / bitcoin(1)),
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quote_currency)
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return quote_text
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def send(self):
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if self.actuator.send(self.address_input.text(),
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self.amount_input.text(), self):
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self.address_input.become_inactive()
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self.amount_input.become_inactive()
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def address_field_changed(self, address):
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if self.actuator.is_valid(address):
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self.valid_address.setChecked(True)
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else:
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self.valid_address.setChecked(False)
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def show_about(self):
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QMessageBox.about(self, "Electrum",
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_("Electrum's focus is speed, with low resource usage and simplifying Bitcoin. You do not need to perform regular backups, because your wallet can be recovered from a secret phrase that you can memorize or write on paper. Startup times are instant because it operates in conjuction with high-performance servers that handle the most complicated parts of the Bitcoin system."))
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def show_report_bug(self):
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QMessageBox.information(self, "Electrum - " + _("Reporting Bugs"),
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_("Email bug reports to %s") % "genjix" + "@" + "riseup.net")
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class BalanceLabel(QLabel):
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SHOW_CONNECTING = 1
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SHOW_BALANCE = 2
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SHOW_AMOUNT = 3
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def __init__(self, change_quote_currency, parent=None):
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super(QLabel, self).__init__(_("Connecting..."), parent)
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self.change_quote_currency = change_quote_currency
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self.state = self.SHOW_CONNECTING
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self.balance_text = ""
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self.amount_text = ""
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def mousePressEvent(self, event):
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if self.state != self.SHOW_CONNECTING:
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self.change_quote_currency()
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def set_balance_text(self, btc_balance, quote_text):
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if self.state == self.SHOW_CONNECTING:
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self.state = self.SHOW_BALANCE
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self.balance_text = "<span style='font-size: 16pt'>%s</span> <span style='font-size: 10pt'>BTC</span> <span style='font-size: 10pt'>%s</span>" % (btc_balance, quote_text)
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if self.state == self.SHOW_BALANCE:
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self.setText(self.balance_text)
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def set_amount_text(self, quote_text):
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self.amount_text = "<span style='font-size: 10pt'>%s</span>" % quote_text
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if self.state == self.SHOW_AMOUNT:
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self.setText(self.amount_text)
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def show_balance(self):
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if self.state == self.SHOW_AMOUNT:
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self.state = self.SHOW_BALANCE
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self.setText(self.balance_text)
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def show_amount(self):
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if self.state == self.SHOW_BALANCE:
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self.state = self.SHOW_AMOUNT
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self.setText(self.amount_text)
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class TextedLineEdit(QLineEdit):
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def __init__(self, inactive_text, parent=None):
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super(QLineEdit, self).__init__(parent)
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self.inactive_text = inactive_text
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self.become_inactive()
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def mousePressEvent(self, event):
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if self.isReadOnly():
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self.become_active()
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QLineEdit.mousePressEvent(self, event)
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def focusOutEvent(self, event):
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if self.text() == "":
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self.become_inactive()
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QLineEdit.focusOutEvent(self, event)
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def focusInEvent(self, event):
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if self.isReadOnly():
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self.become_active()
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QLineEdit.focusInEvent(self, event)
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def become_inactive(self):
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self.setText(self.inactive_text)
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self.setReadOnly(True)
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self.recompute_style()
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def become_active(self):
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self.setText("")
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self.setReadOnly(False)
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self.recompute_style()
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def recompute_style(self):
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qApp.style().unpolish(self)
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qApp.style().polish(self)
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# also possible but more expensive:
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#qApp.setStyleSheet(qApp.styleSheet())
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def ok_cancel_buttons(dialog):
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row_layout = QHBoxLayout()
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row_layout.addStretch(1)
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ok_button = QPushButton("OK")
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row_layout.addWidget(ok_button)
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ok_button.clicked.connect(dialog.accept)
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cancel_button = QPushButton("Cancel")
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row_layout.addWidget(cancel_button)
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cancel_button.clicked.connect(dialog.reject)
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return row_layout
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class PasswordDialog(QDialog):
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def __init__(self, parent):
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super(QDialog, self).__init__(parent)
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self.setModal(True)
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self.password_input = QLineEdit()
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self.password_input.setEchoMode(QLineEdit.Password)
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main_layout = QVBoxLayout(self)
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message = _('Please enter your password')
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main_layout.addWidget(QLabel(message))
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grid = QGridLayout()
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grid.setSpacing(8)
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grid.addWidget(QLabel(_('Password')), 1, 0)
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grid.addWidget(self.password_input, 1, 1)
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main_layout.addLayout(grid)
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main_layout.addLayout(ok_cancel_buttons(self))
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self.setLayout(main_layout)
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def run(self):
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if not self.exec_():
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return
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return unicode(self.password_input.text())
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class MiniActuator:
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def __init__(self, wallet):
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self.wallet = wallet
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def copy_address(self):
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addrs = [addr for addr in self.wallet.all_addresses()
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if not self.wallet.is_change(addr)]
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qApp.clipboard().setText(random.choice(addrs))
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def send(self, address, amount, parent_window):
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dest_address = self.fetch_destination(address)
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if dest_address is None or not self.wallet.is_valid(dest_address):
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QMessageBox.warning(parent_window, _('Error'),
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_('Invalid Bitcoin Address') + ':\n' + address, _('OK'))
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return False
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convert_amount = lambda amount: \
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int(D(unicode(amount)) * bitcoin(1))
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amount = convert_amount(amount)
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if self.wallet.use_encryption:
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password_dialog = PasswordDialog(parent_window)
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password = password_dialog.run()
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if not password:
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return
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else:
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password = None
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fee = 0
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# 0.1 BTC = 10000000
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if amount < bitcoin(1) / 10:
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# 0.01 BTC
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fee = bitcoin(1) / 100
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try:
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tx = self.wallet.mktx(dest_address, amount, "", password, fee)
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except BaseException as error:
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QMessageBox.warning(parent_window, _('Error'), str(error), _('OK'))
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return False
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status, message = self.wallet.sendtx(tx)
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if not status:
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QMessageBox.warning(parent_window, _('Error'), message, _('OK'))
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return False
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QMessageBox.information(parent_window, '',
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_('Payment sent.') + '\n' + message, _('OK'))
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return True
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def fetch_destination(self, address):
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recipient = unicode(address).strip()
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# alias
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match1 = re.match("^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$",
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recipient)
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# label or alias, with address in brackets
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match2 = re.match("(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>",
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recipient)
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if match1:
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dest_address = \
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self.wallet.get_alias(recipient, True,
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self.show_message, self.question)
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return dest_address
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elif match2:
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return match2.group(2)
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else:
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return recipient
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def is_valid(self, address):
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return self.wallet.is_valid(address)
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class MiniDriver(QObject):
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INITIALIZING = 0
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CONNECTING = 1
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SYNCHRONIZING = 2
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READY = 3
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def __init__(self, wallet, window):
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super(QObject, self).__init__()
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self.wallet = wallet
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self.window = window
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self.wallet.register_callback(self.update_callback)
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self.state = None
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self.initializing()
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self.connect(self, SIGNAL("updatesignal()"), self.update)
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# This is a hack to workaround that Qt does not like changing the
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# window properties from this other thread before the runloop has
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# been called from.
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def update_callback(self):
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self.emit(SIGNAL("updatesignal()"))
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def update(self):
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if not self.wallet.interface:
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self.initializing()
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elif not self.wallet.interface.is_connected:
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self.connecting()
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elif not self.wallet.blocks == -1:
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self.connecting()
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elif not self.wallet.is_up_to_date:
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self.synchronizing()
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else:
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self.ready()
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if self.wallet.up_to_date:
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self.update_balance()
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def initializing(self):
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if self.state == self.INITIALIZING:
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return
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self.state = self.INITIALIZING
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self.window.deactivate()
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def connecting(self):
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if self.state == self.CONNECTING:
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return
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self.state = self.CONNECTING
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self.window.deactivate()
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def synchronizing(self):
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if self.state == self.SYNCHRONIZING:
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return
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self.state = self.SYNCHRONIZING
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self.window.deactivate()
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def ready(self):
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if self.state == self.READY:
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return
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self.state = self.READY
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self.window.activate()
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def update_balance(self):
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conf_balance, unconf_balance = self.wallet.get_balance()
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balance = D(conf_balance + unconf_balance)
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self.window.set_balances(balance)
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if __name__ == "__main__":
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app = QApplication(sys.argv)
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with open("data/style.css") as style_file:
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app.setStyleSheet(style_file.read())
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mini = MiniWindow()
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sys.exit(app.exec_())
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