1 from PyQt4.QtCore import *
2 from PyQt4.QtGui import *
3 from decimal import Decimal as D
4 from util import appdata_dir, get_resource_path as rsrc
16 import lib.gui_qt as gui_qt
18 import electrum.gui_qt as gui_qt
20 bitcoin = lambda v: v * 100000000
22 def IconButton(filename, parent=None):
23 pixmap = QPixmap(filename)
25 return QPushButton(icon, "", parent)
30 self.emit(SIGNAL('timersignal'))
33 def resize_line_edit_width(line_edit, text_input):
34 metrics = QFontMetrics(qApp.font())
35 # Create an extra character to add some space on the end
37 line_edit.setMinimumWidth(metrics.width(text_input))
41 def __init__(self, wallet):
43 self.app = QApplication(sys.argv)
44 if os.path.exists("data"):
45 QDir.setCurrent("data")
47 QDir.setCurrent(appdata_dir())
48 with open(rsrc("style.css")) as style_file:
49 self.app.setStyleSheet(style_file.read())
52 actuator = MiniActuator(self.wallet)
53 self.mini = MiniWindow(actuator, self.expand)
54 driver = MiniDriver(self.wallet, self.mini)
61 self.expert = gui_qt.ElectrumWindow(self.wallet)
62 self.expert.app = self.app
63 self.expert.connect_slots(timer)
64 self.expert.update_wallet()
66 sys.exit(self.app.exec_())
72 def set_url(self, url):
73 payto, amount, label, message, signature, identity, url = \
74 self.wallet.parse_url(url, self.show_message, self.show_question)
75 self.mini.set_payment_fields(payto, amount)
77 def show_message(self, message):
78 QMessageBox.information(self.mini, _("Message"), message, _("OK"))
80 def show_question(self, message):
81 choice = QMessageBox.question(self.mini, _("Message"), message,
82 QMessageBox.Yes|QMessageBox.No,
84 return choice == QMessageBox.Yes
86 def restore_or_create(self):
87 qt_gui_object = gui_qt.ElectrumGui(self.wallet, self.app)
88 return qt_gui_object.restore_or_create()
90 class MiniWindow(QDialog):
92 def __init__(self, actuator, expand_callback):
93 super(MiniWindow, self).__init__()
95 self.actuator = actuator
97 accounts_button = IconButton(rsrc("icons", "accounts.png"))
98 accounts_button.setObjectName("accounts_button")
100 self.accounts_selector = QMenu()
101 accounts_button.setMenu(self.accounts_selector)
103 interact_button = IconButton(rsrc("icons", "interact.png"))
104 interact_button.setObjectName("interact_button")
106 app_menu = QMenu(interact_button)
107 report_action = app_menu.addAction(_("&Report Bug"))
108 about_action = app_menu.addAction(_("&About Electrum"))
109 app_menu.addSeparator()
110 quit_action = app_menu.addAction(_("&Quit"))
111 interact_button.setMenu(app_menu)
113 self.connect(report_action, SIGNAL("triggered()"),
114 self.show_report_bug)
115 self.connect(about_action, SIGNAL("triggered()"), self.show_about)
116 self.connect(quit_action, SIGNAL("triggered()"), self.close)
118 expand_button = IconButton(rsrc("icons", "expand.png"))
119 expand_button.setObjectName("expand_button")
120 self.connect(expand_button, SIGNAL("clicked()"), expand_callback)
122 self.btc_balance = None
123 self.quote_currencies = ("EUR", "USD", "GBP")
124 self.exchanger = exchange_rate.Exchanger(self)
125 # Needed because price discovery is done in a different thread
126 # which needs to be sent back to this main one to update the GUI
127 self.connect(self, SIGNAL("refresh_balance()"), self.refresh_balance)
129 self.balance_label = BalanceLabel(self.change_quote_currency)
130 self.balance_label.setObjectName("balance_label")
132 self.receive_button = QPushButton(_("&Receive"))
133 self.receive_button.setObjectName("receive_button")
134 self.receive_button.setDefault(True)
135 self.connect(self.receive_button, SIGNAL("clicked()"),
138 self.address_input = TextedLineEdit(_("Enter a Bitcoin address..."))
139 self.address_input.setObjectName("address_input")
140 self.connect(self.address_input, SIGNAL("textEdited(QString)"),
141 self.address_field_changed)
142 resize_line_edit_width(self.address_input,
143 "1BtaFUr3qVvAmwrsuDuu5zk6e4s2rxd2Gy")
145 self.address_completions = QStringListModel()
146 address_completer = QCompleter(self.address_input)
147 address_completer.setCaseSensitivity(False)
148 address_completer.setModel(self.address_completions)
149 self.address_input.setCompleter(address_completer)
151 self.valid_address = QCheckBox()
152 self.valid_address.setObjectName("valid_address")
153 self.valid_address.setEnabled(False)
154 self.valid_address.setChecked(False)
156 address_layout = QHBoxLayout()
157 address_layout.addWidget(self.address_input)
158 address_layout.addWidget(self.valid_address)
160 self.amount_input = TextedLineEdit(_("... and amount"))
161 self.amount_input.setObjectName("amount_input")
162 # This is changed according to the user's displayed balance
163 self.amount_validator = QDoubleValidator(self.amount_input)
164 self.amount_validator.setNotation(QDoubleValidator.StandardNotation)
165 self.amount_validator.setDecimals(8)
166 self.amount_input.setValidator(self.amount_validator)
168 self.connect(self.amount_input, SIGNAL("textChanged(QString)"),
169 self.amount_input_changed)
171 amount_layout = QHBoxLayout()
172 amount_layout.addWidget(self.amount_input)
173 amount_layout.addStretch()
175 send_button = QPushButton(_("&Send"))
176 send_button.setObjectName("send_button")
177 self.connect(send_button, SIGNAL("clicked()"), self.send)
179 main_layout = QGridLayout(self)
180 main_layout.addWidget(accounts_button, 0, 0)
181 main_layout.addWidget(interact_button, 1, 0)
182 main_layout.addWidget(expand_button, 2, 0)
184 main_layout.addWidget(self.balance_label, 0, 1)
185 main_layout.addWidget(self.receive_button, 0, 2)
187 main_layout.addLayout(address_layout, 1, 1, 1, -1)
189 main_layout.addLayout(amount_layout, 2, 1)
190 main_layout.addWidget(send_button, 2, 2)
192 self.setWindowTitle("Electrum")
193 self.setWindowFlags(Qt.Window|Qt.MSWindowsFixedSizeDialogHint)
194 self.layout().setSizeConstraint(QLayout.SetFixedSize)
195 self.setObjectName("main_window")
198 def closeEvent(self, event):
199 super(MiniWindow, self).closeEvent(event)
202 def set_payment_fields(self, dest_address, amount):
203 self.address_input.become_active()
204 self.address_input.setText(dest_address)
205 self.address_field_changed(dest_address)
206 self.amount_input.become_active()
207 self.amount_input.setText(amount)
212 def deactivate(self):
215 def change_quote_currency(self):
216 self.quote_currencies = \
217 self.quote_currencies[1:] + self.quote_currencies[0:1]
218 self.refresh_balance()
220 def refresh_balance(self):
221 if self.btc_balance is None:
222 # Price has been discovered before wallet has been loaded
223 # and server connect... so bail.
225 self.set_balances(self.btc_balance)
226 self.amount_input_changed(self.amount_input.text())
228 def set_balances(self, btc_balance):
229 self.btc_balance = btc_balance
230 quote_text = self.create_quote_text(btc_balance)
232 quote_text = "(%s)" % quote_text
233 btc_balance = "%.2f" % (btc_balance / bitcoin(1))
234 self.balance_label.set_balance_text(btc_balance, quote_text)
235 main_account_info = \
236 "Checking - %s BTC" % btc_balance
237 self.setWindowTitle("Electrum - %s" % main_account_info)
238 self.accounts_selector.clear()
239 self.accounts_selector.addAction("%s %s" % (main_account_info,
242 def amount_input_changed(self, amount_text):
244 amount = D(str(amount_text))
245 except decimal.InvalidOperation:
246 self.balance_label.show_balance()
248 quote_text = self.create_quote_text(amount * bitcoin(1))
250 self.balance_label.set_amount_text(quote_text)
251 self.balance_label.show_amount()
253 self.balance_label.show_balance()
255 def create_quote_text(self, btc_balance):
256 quote_currency = self.quote_currencies[0]
257 quote_balance = self.exchanger.exchange(btc_balance, quote_currency)
258 if quote_balance is None:
261 quote_text = "%.2f %s" % ((quote_balance / bitcoin(1)),
266 if self.actuator.send(self.address_input.text(),
267 self.amount_input.text(), self):
268 self.address_input.become_inactive()
269 self.amount_input.become_inactive()
271 def address_field_changed(self, address):
272 if self.actuator.is_valid(address):
273 self.valid_address.setChecked(True)
275 self.valid_address.setChecked(False)
277 def copy_address(self):
278 receive_popup = ReceivePopup(self.receive_button)
279 self.actuator.copy_address(receive_popup)
281 def update_completions(self, completions):
282 self.address_completions.setStringList(completions)
284 def show_about(self):
285 QMessageBox.about(self, "Electrum",
286 _("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."))
288 def show_report_bug(self):
289 QMessageBox.information(self, "Electrum - " + _("Reporting Bugs"),
290 _("Email bug reports to %s") % "genjix" + "@" + "riseup.net")
292 class BalanceLabel(QLabel):
298 def __init__(self, change_quote_currency, parent=None):
299 super(QLabel, self).__init__(_("Connecting..."), parent)
300 self.change_quote_currency = change_quote_currency
301 self.state = self.SHOW_CONNECTING
302 self.balance_text = ""
303 self.amount_text = ""
305 def mousePressEvent(self, event):
306 if self.state != self.SHOW_CONNECTING:
307 self.change_quote_currency()
309 def set_balance_text(self, btc_balance, quote_text):
310 if self.state == self.SHOW_CONNECTING:
311 self.state = self.SHOW_BALANCE
312 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)
313 if self.state == self.SHOW_BALANCE:
314 self.setText(self.balance_text)
316 def set_amount_text(self, quote_text):
317 self.amount_text = "<span style='font-size: 10pt'>%s</span>" % quote_text
318 if self.state == self.SHOW_AMOUNT:
319 self.setText(self.amount_text)
321 def show_balance(self):
322 if self.state == self.SHOW_AMOUNT:
323 self.state = self.SHOW_BALANCE
324 self.setText(self.balance_text)
326 def show_amount(self):
327 if self.state == self.SHOW_BALANCE:
328 self.state = self.SHOW_AMOUNT
329 self.setText(self.amount_text)
331 class TextedLineEdit(QLineEdit):
333 def __init__(self, inactive_text, parent=None):
334 super(QLineEdit, self).__init__(parent)
335 self.inactive_text = inactive_text
336 self.become_inactive()
338 def mousePressEvent(self, event):
339 if self.isReadOnly():
341 QLineEdit.mousePressEvent(self, event)
343 def focusOutEvent(self, event):
344 if self.text() == "":
345 self.become_inactive()
346 QLineEdit.focusOutEvent(self, event)
348 def focusInEvent(self, event):
349 if self.isReadOnly():
351 QLineEdit.focusInEvent(self, event)
353 def become_inactive(self):
354 self.setText(self.inactive_text)
355 self.setReadOnly(True)
356 self.recompute_style()
358 def become_active(self):
360 self.setReadOnly(False)
361 self.recompute_style()
363 def recompute_style(self):
364 qApp.style().unpolish(self)
365 qApp.style().polish(self)
366 # also possible but more expensive:
367 #qApp.setStyleSheet(qApp.styleSheet())
369 def ok_cancel_buttons(dialog):
370 row_layout = QHBoxLayout()
371 row_layout.addStretch(1)
372 ok_button = QPushButton(_("OK"))
373 row_layout.addWidget(ok_button)
374 ok_button.clicked.connect(dialog.accept)
375 cancel_button = QPushButton(_("Cancel"))
376 row_layout.addWidget(cancel_button)
377 cancel_button.clicked.connect(dialog.reject)
380 class PasswordDialog(QDialog):
382 def __init__(self, parent):
383 super(QDialog, self).__init__(parent)
387 self.password_input = QLineEdit()
388 self.password_input.setEchoMode(QLineEdit.Password)
390 main_layout = QVBoxLayout(self)
391 message = _('Please enter your password')
392 main_layout.addWidget(QLabel(message))
396 grid.addWidget(QLabel(_('Password')), 1, 0)
397 grid.addWidget(self.password_input, 1, 1)
398 main_layout.addLayout(grid)
400 main_layout.addLayout(ok_cancel_buttons(self))
401 self.setLayout(main_layout)
406 return unicode(self.password_input.text())
408 class ReceivePopup(QDialog):
410 def leaveEvent(self, event):
413 def setup(self, address):
414 label = QLabel(_("Copied your Bitcoin address to the clipboard!"))
415 address_display = QLineEdit(address)
416 address_display.setReadOnly(True)
417 resize_line_edit_width(address_display, address)
419 main_layout = QVBoxLayout(self)
420 main_layout.addWidget(label)
421 main_layout.addWidget(address_display)
423 self.setMouseTracking(True)
424 self.setWindowTitle("Electrum - " + _("Receive Bitcoin payment"))
425 self.setWindowFlags(Qt.Window|Qt.FramelessWindowHint|Qt.MSWindowsFixedSizeDialogHint)
426 self.layout().setSizeConstraint(QLayout.SetFixedSize)
427 #self.setFrameStyle(QFrame.WinPanel|QFrame.Raised)
428 #self.setAlignment(Qt.AlignCenter)
431 parent = self.parent()
432 top_left_pos = parent.mapToGlobal(parent.rect().bottomLeft())
433 self.move(top_left_pos)
434 center_mouse_pos = self.mapToGlobal(self.rect().center())
435 QCursor.setPos(center_mouse_pos)
440 def __init__(self, wallet):
443 def copy_address(self, receive_popup):
444 addrs = [addr for addr in self.wallet.all_addresses()
445 if not self.wallet.is_change(addr)]
446 copied_address = random.choice(addrs)
447 qApp.clipboard().setText(copied_address)
448 receive_popup.setup(copied_address)
449 receive_popup.popup()
451 def send(self, address, amount, parent_window):
452 dest_address = self.fetch_destination(address)
454 if dest_address is None or not self.wallet.is_valid(dest_address):
455 QMessageBox.warning(parent_window, _('Error'),
456 _('Invalid Bitcoin Address') + ':\n' + address, _('OK'))
459 convert_amount = lambda amount: \
460 int(D(unicode(amount)) * bitcoin(1))
461 amount = convert_amount(amount)
463 if self.wallet.use_encryption:
464 password_dialog = PasswordDialog(parent_window)
465 password = password_dialog.run()
473 if amount < bitcoin(1) / 10:
475 fee = bitcoin(1) / 100
478 tx = self.wallet.mktx(dest_address, amount, "", password, fee)
479 except BaseException as error:
480 QMessageBox.warning(parent_window, _('Error'), str(error), _('OK'))
483 status, message = self.wallet.sendtx(tx)
485 QMessageBox.warning(parent_window, _('Error'), message, _('OK'))
488 QMessageBox.information(parent_window, '',
489 _('Payment sent.') + '\n' + message, _('OK'))
492 def fetch_destination(self, address):
493 recipient = unicode(address).strip()
496 match1 = re.match("^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$",
499 # label or alias, with address in brackets
500 match2 = re.match("(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>",
505 self.wallet.get_alias(recipient, True,
506 self.show_message, self.question)
509 return match2.group(2)
513 def is_valid(self, address):
514 return self.wallet.is_valid(address)
516 class MiniDriver(QObject):
523 def __init__(self, wallet, window):
524 super(QObject, self).__init__()
529 self.wallet.register_callback(self.update_callback)
534 self.connect(self, SIGNAL("updatesignal()"), self.update)
535 self.update_callback()
537 # This is a hack to workaround that Qt does not like changing the
538 # window properties from this other thread before the runloop has
540 def update_callback(self):
541 self.emit(SIGNAL("updatesignal()"))
544 if not self.wallet.interface:
546 elif not self.wallet.interface.is_connected:
548 elif not self.wallet.blocks == -1:
550 elif not self.wallet.is_up_to_date:
555 if self.wallet.up_to_date:
556 self.update_balance()
557 self.update_completions()
559 def initializing(self):
560 if self.state == self.INITIALIZING:
562 self.state = self.INITIALIZING
563 self.window.deactivate()
565 def connecting(self):
566 if self.state == self.CONNECTING:
568 self.state = self.CONNECTING
569 self.window.deactivate()
571 def synchronizing(self):
572 if self.state == self.SYNCHRONIZING:
574 self.state = self.SYNCHRONIZING
575 self.window.deactivate()
578 if self.state == self.READY:
580 self.state = self.READY
581 self.window.activate()
583 def update_balance(self):
584 conf_balance, unconf_balance = self.wallet.get_balance()
585 balance = D(conf_balance + unconf_balance)
586 self.window.set_balances(balance)
588 def update_completions(self):
590 for addr, label in self.wallet.labels.items():
591 if addr in self.wallet.addressbook:
592 completions.append("%s <%s>" % (label, addr))
593 completions = completions + self.wallet.aliases.keys()
594 self.window.update_completions(completions)
596 if __name__ == "__main__":
597 app = QApplication(sys.argv)
598 with open(rsrc("style.css")) as style_file:
599 app.setStyleSheet(style_file.read())
601 sys.exit(app.exec_())