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
17 import lib.gui_qt as gui_qt
19 import electrum.gui_qt as gui_qt
21 bitcoin = lambda v: v * 100000000
23 def IconButton(filename, parent=None):
24 pixmap = QPixmap(filename)
26 return QPushButton(icon, "", parent)
31 self.emit(SIGNAL('timersignal'))
34 def resize_line_edit_width(line_edit, text_input):
35 metrics = QFontMetrics(qApp.font())
36 # Create an extra character to add some space on the end
38 line_edit.setMinimumWidth(metrics.width(text_input))
42 prefix_path = os.path.dirname(sys.argv[0])
43 local_data = os.path.join(prefix_path, "data")
44 if os.path.exists(os.path.join(local_data, "style.css")):
47 data_dir = appdata_dir()
48 QDir.setCurrent(data_dir)
52 def __init__(self, wallet):
54 self.app = QApplication(sys.argv)
55 # Should probably not modify the current path but instead
56 # change the behaviour of rsrc(...)
57 self.old_path = QDir.currentPath()
59 with open(rsrc("style.css")) as style_file:
60 self.app.setStyleSheet(style_file.read())
63 actuator = MiniActuator(self.wallet)
64 self.mini = MiniWindow(actuator, self.expand)
65 driver = MiniDriver(self.wallet, self.mini)
67 # Reset path back to original value now that loading the GUI
69 QDir.setCurrent(self.old_path)
76 self.expert = gui_qt.ElectrumWindow(self.wallet)
77 self.expert.app = self.app
78 self.expert.connect_slots(timer)
79 self.expert.update_wallet()
87 def set_url(self, url):
88 payto, amount, label, message, signature, identity, url = \
89 self.wallet.parse_url(url, self.show_message, self.show_question)
90 self.mini.set_payment_fields(payto, amount)
92 def show_message(self, message):
93 QMessageBox.information(self.mini, _("Message"), message, _("OK"))
95 def show_question(self, message):
96 choice = QMessageBox.question(self.mini, _("Message"), message,
97 QMessageBox.Yes|QMessageBox.No,
99 return choice == QMessageBox.Yes
101 def restore_or_create(self):
102 qt_gui_object = gui_qt.ElectrumGui(self.wallet, self.app)
103 return qt_gui_object.restore_or_create()
105 class MiniWindow(QDialog):
107 def __init__(self, actuator, expand_callback):
108 super(MiniWindow, self).__init__()
110 self.actuator = actuator
112 self.btc_balance = None
113 self.quote_currencies = ["EUR", "USD", "GBP"]
114 self.actuator.set_configured_currency(self.set_quote_currency)
115 self.exchanger = exchange_rate.Exchanger(self)
116 # Needed because price discovery is done in a different thread
117 # which needs to be sent back to this main one to update the GUI
118 self.connect(self, SIGNAL("refresh_balance()"), self.refresh_balance)
120 self.balance_label = BalanceLabel(self.change_quote_currency)
121 self.balance_label.setObjectName("balance_label")
123 self.receive_button = QPushButton(_("&Receive"))
124 self.receive_button.setObjectName("receive_button")
125 self.receive_button.setDefault(True)
126 self.connect(self.receive_button, SIGNAL("clicked()"), self.copy_address)
128 # Bitcoin address code
129 self.address_input = QLineEdit()
130 self.address_input.setPlaceholderText(_("Enter a Bitcoin address..."))
131 self.address_input.setObjectName("address_input")
134 self.connect(self.address_input, SIGNAL("textEdited(QString)"), self.address_field_changed)
135 resize_line_edit_width(self.address_input, "1BtaFUr3qVvAmwrsuDuu5zk6e4s2rxd2Gy")
137 self.address_completions = QStringListModel()
138 address_completer = QCompleter(self.address_input)
139 address_completer.setCaseSensitivity(False)
140 address_completer.setModel(self.address_completions)
141 self.address_input.setCompleter(address_completer)
143 address_layout = QHBoxLayout()
144 address_layout.addWidget(self.address_input)
146 self.amount_input = QLineEdit()
147 self.amount_input.setPlaceholderText(_("... and amount"))
148 self.amount_input.setObjectName("amount_input")
149 # This is changed according to the user's displayed balance
150 self.amount_validator = QDoubleValidator(self.amount_input)
151 self.amount_validator.setNotation(QDoubleValidator.StandardNotation)
152 self.amount_validator.setDecimals(8)
153 self.amount_input.setValidator(self.amount_validator)
155 # This removes the very ugly OSX highlighting, please leave this in :D
156 self.address_input.setAttribute(Qt.WA_MacShowFocusRect, 0)
157 self.amount_input.setAttribute(Qt.WA_MacShowFocusRect, 0)
159 self.connect(self.amount_input, SIGNAL("textChanged(QString)"),
160 self.amount_input_changed)
162 self.send_button = QPushButton(_("&Send"))
163 self.send_button.setObjectName("send_button")
164 self.send_button.setDisabled(True);
165 self.connect(self.send_button, SIGNAL("clicked()"), self.send)
167 main_layout = QGridLayout(self)
169 main_layout.addWidget(self.balance_label, 0, 0)
170 main_layout.addWidget(self.receive_button, 0, 1)
172 main_layout.addWidget(self.address_input, 1, 0, 1, -1)
174 main_layout.addWidget(self.amount_input, 2, 0)
175 main_layout.addWidget(self.send_button, 2, 1)
178 electrum_menu = menubar.addMenu(_("&Bitcoin"))
179 electrum_menu.addAction(_("&Quit"))
181 view_menu = menubar.addMenu(_("&View"))
182 expert_gui = view_menu.addAction(_("&Pro Mode"))
183 self.connect(expert_gui, SIGNAL("triggered()"), expand_callback)
185 main_layout.setMenuBar(menubar)
187 quit_shortcut = QShortcut(QKeySequence("Ctrl+Q"), self)
188 self.connect(quit_shortcut, SIGNAL("activated()"), self.close)
189 close_shortcut = QShortcut(QKeySequence("Ctrl+W"), self)
190 self.connect(close_shortcut, SIGNAL("activated()"), self.close)
192 self.setWindowIcon(QIcon(":electrum.png"))
193 self.setWindowTitle("Electrum")
194 self.setWindowFlags(Qt.Window|Qt.MSWindowsFixedSizeDialogHint)
195 self.layout().setSizeConstraint(QLayout.SetFixedSize)
196 self.setObjectName("main_window")
199 def recompute_style(self):
200 qApp.style().unpolish(self)
201 qApp.style().polish(self)
203 def closeEvent(self, event):
204 super(MiniWindow, self).closeEvent(event)
207 def set_payment_fields(self, dest_address, amount):
208 self.address_input.setText(dest_address)
209 self.address_field_changed(dest_address)
210 self.amount_input.setText(amount)
215 def deactivate(self):
218 def set_quote_currency(self, currency):
219 assert currency in self.quote_currencies
220 self.quote_currencies.remove(currency)
221 self.quote_currencies = [currency] + self.quote_currencies
222 self.refresh_balance()
224 def change_quote_currency(self):
225 self.quote_currencies = \
226 self.quote_currencies[1:] + self.quote_currencies[0:1]
227 self.actuator.set_config_currency(self.quote_currencies[0])
228 self.refresh_balance()
230 def refresh_balance(self):
231 if self.btc_balance is None:
232 # Price has been discovered before wallet has been loaded
233 # and server connect... so bail.
235 self.set_balances(self.btc_balance)
236 self.amount_input_changed(self.amount_input.text())
238 def set_balances(self, btc_balance):
239 self.btc_balance = btc_balance
240 quote_text = self.create_quote_text(btc_balance)
242 quote_text = "(%s)" % quote_text
243 btc_balance = "%.2f" % (btc_balance / bitcoin(1))
244 self.balance_label.set_balance_text(btc_balance, quote_text)
245 self.setWindowTitle("Electrum - %s BTC" % btc_balance)
247 def amount_input_changed(self, amount_text):
248 self.check_button_status()
251 amount = D(str(amount_text))
252 except decimal.InvalidOperation:
253 self.balance_label.show_balance()
255 quote_text = self.create_quote_text(amount * bitcoin(1))
257 self.balance_label.set_amount_text(quote_text)
258 self.balance_label.show_amount()
260 self.balance_label.show_balance()
262 def create_quote_text(self, btc_balance):
263 quote_currency = self.quote_currencies[0]
264 quote_balance = self.exchanger.exchange(btc_balance, quote_currency)
265 if quote_balance is None:
268 quote_text = "%.2f %s" % ((quote_balance / bitcoin(1)),
273 if self.actuator.send(self.address_input.text(),
274 self.amount_input.text(), self):
275 self.address_input.setText("")
276 self.amount_input.setText("")
278 def check_button_status(self):
279 if (self.address_input.property("isValid") is True and
280 len(self.amount_input.text()) > 0):
281 self.send_button.setDisabled(False)
283 self.send_button.setDisabled(True)
285 def address_field_changed(self, address):
286 if self.actuator.is_valid(address):
287 self.check_button_status()
288 self.address_input.setProperty("isValid", True)
289 self.recompute_style(self.address_input)
291 self.send_button.setDisabled(True)
292 self.address_input.setProperty("isValid", False)
293 self.recompute_style(self.address_input)
295 if len(address) == 0:
296 self.address_input.setProperty("isValid", None)
297 self.recompute_style(self.address_input)
299 def recompute_style(self, element):
300 self.style().unpolish(element)
301 self.style().polish(element)
303 def copy_address(self):
304 receive_popup = ReceivePopup(self.receive_button)
305 self.actuator.copy_address(receive_popup)
307 def update_completions(self, completions):
308 self.address_completions.setStringList(completions)
311 self.actuator.acceptbit(self.quote_currencies[0])
313 def show_about(self):
314 QMessageBox.about(self, "Electrum",
315 _("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."))
317 def show_report_bug(self):
318 QMessageBox.information(self, "Electrum - " + _("Reporting Bugs"),
319 _("Email bug reports to %s") % "genjix" + "@" + "riseup.net")
321 class BalanceLabel(QLabel):
327 def __init__(self, change_quote_currency, parent=None):
328 super(QLabel, self).__init__(_("Connecting..."), parent)
329 self.change_quote_currency = change_quote_currency
330 self.state = self.SHOW_CONNECTING
331 self.balance_text = ""
332 self.amount_text = ""
334 def mousePressEvent(self, event):
335 if self.state != self.SHOW_CONNECTING:
336 self.change_quote_currency()
338 def set_balance_text(self, btc_balance, quote_text):
339 if self.state == self.SHOW_CONNECTING:
340 self.state = self.SHOW_BALANCE
341 self.balance_text = "<span style='font-size: 18pt'>%s</span> <span style='font-size: 10pt'>BTC</span> <span style='font-size: 10pt'>%s</span>" % (btc_balance, quote_text)
342 if self.state == self.SHOW_BALANCE:
343 self.setText(self.balance_text)
345 def set_amount_text(self, quote_text):
346 self.amount_text = "<span style='font-size: 10pt'>%s</span>" % quote_text
347 if self.state == self.SHOW_AMOUNT:
348 self.setText(self.amount_text)
350 def show_balance(self):
351 if self.state == self.SHOW_AMOUNT:
352 self.state = self.SHOW_BALANCE
353 self.setText(self.balance_text)
355 def show_amount(self):
356 if self.state == self.SHOW_BALANCE:
357 self.state = self.SHOW_AMOUNT
358 self.setText(self.amount_text)
360 def ok_cancel_buttons(dialog):
361 row_layout = QHBoxLayout()
362 row_layout.addStretch(1)
363 ok_button = QPushButton(_("OK"))
364 row_layout.addWidget(ok_button)
365 ok_button.clicked.connect(dialog.accept)
366 cancel_button = QPushButton(_("Cancel"))
367 row_layout.addWidget(cancel_button)
368 cancel_button.clicked.connect(dialog.reject)
371 class PasswordDialog(QDialog):
373 def __init__(self, parent):
374 super(QDialog, self).__init__(parent)
378 self.password_input = QLineEdit()
379 self.password_input.setEchoMode(QLineEdit.Password)
381 main_layout = QVBoxLayout(self)
382 message = _('Please enter your password')
383 main_layout.addWidget(QLabel(message))
387 grid.addWidget(QLabel(_('Password')), 1, 0)
388 grid.addWidget(self.password_input, 1, 1)
389 main_layout.addLayout(grid)
391 main_layout.addLayout(ok_cancel_buttons(self))
392 self.setLayout(main_layout)
397 return unicode(self.password_input.text())
399 class ReceivePopup(QDialog):
401 def leaveEvent(self, event):
404 def setup(self, address):
405 label = QLabel(_("Copied your Bitcoin address to the clipboard!"))
406 address_display = QLineEdit(address)
407 address_display.setReadOnly(True)
408 resize_line_edit_width(address_display, address)
410 main_layout = QVBoxLayout(self)
411 main_layout.addWidget(label)
412 main_layout.addWidget(address_display)
414 self.setMouseTracking(True)
415 self.setWindowTitle("Electrum - " + _("Receive Bitcoin payment"))
416 self.setWindowFlags(Qt.Window|Qt.FramelessWindowHint|Qt.MSWindowsFixedSizeDialogHint)
417 self.layout().setSizeConstraint(QLayout.SetFixedSize)
418 #self.setFrameStyle(QFrame.WinPanel|QFrame.Raised)
419 #self.setAlignment(Qt.AlignCenter)
422 parent = self.parent()
423 top_left_pos = parent.mapToGlobal(parent.rect().bottomLeft())
424 self.move(top_left_pos)
425 center_mouse_pos = self.mapToGlobal(self.rect().center())
426 QCursor.setPos(center_mouse_pos)
431 def __init__(self, wallet):
434 def set_configured_currency(self, set_quote_currency):
435 currency = self.wallet.conversion_currency
436 # currency can be none when Electrum is used for the first
437 # time and no setting has been created yet.
438 if currency is not None:
439 set_quote_currency(currency)
441 def set_config_currency(self, conversion_currency):
442 self.wallet.conversion_currency = conversion_currency
444 def copy_address(self, receive_popup):
445 addrs = [addr for addr in self.wallet.all_addresses()
446 if not self.wallet.is_change(addr)]
447 # Select most recent addresses from gap limit
448 addrs = addrs[-self.wallet.gap_limit:]
449 copied_address = random.choice(addrs)
450 qApp.clipboard().setText(copied_address)
451 receive_popup.setup(copied_address)
452 receive_popup.popup()
454 def send(self, address, amount, parent_window):
455 dest_address = self.fetch_destination(address)
457 if dest_address is None or not self.wallet.is_valid(dest_address):
458 QMessageBox.warning(parent_window, _('Error'),
459 _('Invalid Bitcoin Address') + ':\n' + address, _('OK'))
462 convert_amount = lambda amount: \
463 int(D(unicode(amount)) * bitcoin(1))
464 amount = convert_amount(amount)
466 if self.wallet.use_encryption:
467 password_dialog = PasswordDialog(parent_window)
468 password = password_dialog.run()
476 if amount < bitcoin(1) / 10:
478 fee = bitcoin(1) / 1000
481 tx = self.wallet.mktx(dest_address, amount, "", password, fee)
482 except BaseException as error:
483 QMessageBox.warning(parent_window, _('Error'), str(error), _('OK'))
486 status, message = self.wallet.sendtx(tx)
488 QMessageBox.warning(parent_window, _('Error'), message, _('OK'))
491 QMessageBox.information(parent_window, '',
492 _('Payment sent.') + '\n' + message, _('OK'))
495 def fetch_destination(self, address):
496 recipient = unicode(address).strip()
499 match1 = re.match("^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$",
502 # label or alias, with address in brackets
503 match2 = re.match("(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>",
508 self.wallet.get_alias(recipient, True,
509 self.show_message, self.question)
512 return match2.group(2)
516 def is_valid(self, address):
517 return self.wallet.is_valid(address)
519 def acceptbit(self, currency):
520 master_pubkey = self.wallet.master_public_key.encode("hex")
521 url = "http://acceptbit.com/mpk/%s/%s" % (master_pubkey, currency)
524 class MiniDriver(QObject):
531 def __init__(self, wallet, window):
532 super(QObject, self).__init__()
537 self.wallet.register_callback(self.update_callback)
542 self.connect(self, SIGNAL("updatesignal()"), self.update)
543 self.update_callback()
545 # This is a hack to workaround that Qt does not like changing the
546 # window properties from this other thread before the runloop has
548 def update_callback(self):
549 self.emit(SIGNAL("updatesignal()"))
552 if not self.wallet.interface:
554 elif not self.wallet.interface.is_connected:
556 elif not self.wallet.blocks == -1:
558 elif not self.wallet.is_up_to_date:
563 if self.wallet.up_to_date:
564 self.update_balance()
565 self.update_completions()
567 def initializing(self):
568 if self.state == self.INITIALIZING:
570 self.state = self.INITIALIZING
571 self.window.deactivate()
573 def connecting(self):
574 if self.state == self.CONNECTING:
576 self.state = self.CONNECTING
577 self.window.deactivate()
579 def synchronizing(self):
580 if self.state == self.SYNCHRONIZING:
582 self.state = self.SYNCHRONIZING
583 self.window.deactivate()
586 if self.state == self.READY:
588 self.state = self.READY
589 self.window.activate()
591 def update_balance(self):
592 conf_balance, unconf_balance = self.wallet.get_balance()
593 balance = D(conf_balance + unconf_balance)
594 self.window.set_balances(balance)
596 def update_completions(self):
598 for addr, label in self.wallet.labels.items():
599 if addr in self.wallet.addressbook:
600 completions.append("%s <%s>" % (label, addr))
601 completions = completions + self.wallet.aliases.keys()
602 self.window.update_completions(completions)
604 if __name__ == "__main__":
605 app = QApplication(sys.argv)
606 with open(rsrc("style.css")) as style_file:
607 app.setStyleSheet(style_file.read())
609 sys.exit(app.exec_())