3 from PyQt4.QtCore import *
4 from PyQt4.QtGui import *
6 from decimal import Decimal as D
7 from util import get_resource_path as rsrc
21 import lib.gui_qt as gui_qt
23 import electrum.gui_qt as gui_qt
25 bitcoin = lambda v: v * 100000000
27 def IconButton(filename, parent=None):
28 pixmap = QPixmap(filename)
30 return QPushButton(icon, "", parent)
35 self.emit(SIGNAL('timersignal'))
38 def resize_line_edit_width(line_edit, text_input):
39 metrics = QFontMetrics(qApp.font())
40 # Create an extra character to add some space on the end
42 line_edit.setMinimumWidth(metrics.width(text_input))
46 def __init__(self, wallet):
48 self.app = QApplication(sys.argv)
51 actuator = MiniActuator(self.wallet)
52 # Should probably not modify the current path but instead
53 # change the behaviour of rsrc(...)
54 old_path = QDir.currentPath()
57 self.mini = MiniWindow(actuator, self.expand)
58 driver = MiniDriver(self.wallet, self.mini)
60 # Reset path back to original value now that loading the GUI
62 QDir.setCurrent(old_path)
69 self.expert = gui_qt.ElectrumWindow(self.wallet)
70 self.expert.app = self.app
71 self.expert.connect_slots(timer)
72 self.expert.update_wallet()
77 """Hide the lite mode window and show pro-mode."""
81 def set_url(self, url):
82 payto, amount, label, message, signature, identity, url = \
83 self.wallet.parse_url(url, self.show_message, self.show_question)
84 self.mini.set_payment_fields(payto, amount)
86 def show_message(self, message):
87 QMessageBox.information(self.mini, _("Message"), message, _("OK"))
89 def show_question(self, message):
90 choice = QMessageBox.question(self.mini, _("Message"), message,
91 QMessageBox.Yes|QMessageBox.No,
93 return choice == QMessageBox.Yes
95 def restore_or_create(self):
96 qt_gui_object = gui_qt.ElectrumGui(self.wallet, self.app)
97 return qt_gui_object.restore_or_create()
99 class MiniWindow(QDialog):
101 def __init__(self, actuator, expand_callback):
102 super(MiniWindow, self).__init__()
104 self.actuator = actuator
106 self.btc_balance = None
107 self.quote_currencies = ["EUR", "USD", "GBP"]
108 self.actuator.set_configured_currency(self.set_quote_currency)
109 self.exchanger = exchange_rate.Exchanger(self)
110 # Needed because price discovery is done in a different thread
111 # which needs to be sent back to this main one to update the GUI
112 self.connect(self, SIGNAL("refresh_balance()"), self.refresh_balance)
114 self.balance_label = BalanceLabel(self.change_quote_currency)
115 self.balance_label.setObjectName("balance_label")
117 self.receive_button = QPushButton(_("&Receive"))
118 self.receive_button.setObjectName("receive_button")
119 self.receive_button.setDefault(True)
120 self.receive_button.clicked.connect(self.copy_address)
122 # Bitcoin address code
123 self.address_input = QLineEdit()
124 self.address_input.setPlaceholderText(_("Enter a Bitcoin address..."))
125 self.address_input.setObjectName("address_input")
128 self.address_input.textEdited.connect(self.address_field_changed)
129 resize_line_edit_width(self.address_input,
130 "1BtaFUr3qVvAmwrsuDuu5zk6e4s2rxd2Gy")
132 self.address_completions = QStringListModel()
133 address_completer = QCompleter(self.address_input)
134 address_completer.setCaseSensitivity(False)
135 address_completer.setModel(self.address_completions)
136 self.address_input.setCompleter(address_completer)
138 address_layout = QHBoxLayout()
139 address_layout.addWidget(self.address_input)
141 self.amount_input = QLineEdit()
142 self.amount_input.setPlaceholderText(_("... and amount"))
143 self.amount_input.setObjectName("amount_input")
144 # This is changed according to the user's displayed balance
145 self.amount_validator = QDoubleValidator(self.amount_input)
146 self.amount_validator.setNotation(QDoubleValidator.StandardNotation)
147 self.amount_validator.setDecimals(8)
148 self.amount_input.setValidator(self.amount_validator)
150 # This removes the very ugly OSX highlighting, please leave this in :D
151 self.address_input.setAttribute(Qt.WA_MacShowFocusRect, 0)
152 self.amount_input.setAttribute(Qt.WA_MacShowFocusRect, 0)
153 self.amount_input.textChanged.connect(self.amount_input_changed)
155 self.send_button = QPushButton(_("&Send"))
156 self.send_button.setObjectName("send_button")
157 self.send_button.setDisabled(True);
158 self.send_button.clicked.connect(self.send)
160 main_layout = QGridLayout(self)
162 main_layout.addWidget(self.balance_label, 0, 0)
163 main_layout.addWidget(self.receive_button, 0, 1)
165 main_layout.addWidget(self.address_input, 1, 0, 1, -1)
167 main_layout.addWidget(self.amount_input, 2, 0)
168 main_layout.addWidget(self.send_button, 2, 1)
170 self.history_list = history_widget.HistoryWidget()
171 self.history_list.setObjectName("history")
172 self.history_list.hide()
173 self.history_list.setAlternatingRowColors(True)
174 main_layout.addWidget(self.history_list, 3, 0, 1, -1)
177 electrum_menu = menubar.addMenu(_("&Bitcoin"))
178 self.servers_menu = electrum_menu.addMenu(_("&Servers"))
179 self.servers_menu.addAction(_("Foo"))
180 electrum_menu.addSeparator()
181 brain_seed = electrum_menu.addAction(_("&BrainWallet Info"))
182 brain_seed.triggered.connect(self.actuator.show_seed_dialog)
183 quit_option = electrum_menu.addAction(_("&Quit"))
184 quit_option.triggered.connect(self.close)
186 view_menu = menubar.addMenu(_("&View"))
187 expert_gui = view_menu.addAction(_("&Pro Mode"))
188 expert_gui.triggered.connect(expand_callback)
189 themes_menu = view_menu.addMenu(_("&Themes"))
190 selected_theme = self.actuator.selected_theme()
191 theme_group = QActionGroup(self)
192 for theme_name in self.actuator.theme_names():
193 theme_action = themes_menu.addAction(theme_name)
194 theme_action.setCheckable(True)
195 if selected_theme == theme_name:
196 theme_action.setChecked(True)
197 class SelectThemeFunctor:
198 def __init__(self, theme_name, toggle_theme):
199 self.theme_name = theme_name
200 self.toggle_theme = toggle_theme
201 def __call__(self, checked):
203 self.toggle_theme(self.theme_name)
204 delegate = SelectThemeFunctor(theme_name, self.toggle_theme)
205 theme_action.toggled.connect(delegate)
206 theme_group.addAction(theme_action)
207 view_menu.addSeparator()
208 show_history = view_menu.addAction(_("Show History"))
209 show_history.setCheckable(True)
210 show_history.toggled.connect(self.show_history)
212 help_menu = menubar.addMenu(_("&Help"))
213 the_website = help_menu.addAction(_("&Website"))
214 the_website.triggered.connect(self.the_website)
215 help_menu.addSeparator()
216 report_bug = help_menu.addAction(_("&Report Bug"))
217 report_bug.triggered.connect(self.show_report_bug)
218 show_about = help_menu.addAction(_("&About"))
219 show_about.triggered.connect(self.show_about)
220 main_layout.setMenuBar(menubar)
222 quit_shortcut = QShortcut(QKeySequence("Ctrl+Q"), self)
223 quit_shortcut.activated.connect(self.close)
224 close_shortcut = QShortcut(QKeySequence("Ctrl+W"), self)
225 close_shortcut.activated.connect(self.close)
227 self.setWindowIcon(QIcon(":electrum.png"))
228 self.setWindowTitle("Electrum")
229 self.setWindowFlags(Qt.Window|Qt.MSWindowsFixedSizeDialogHint)
230 self.layout().setSizeConstraint(QLayout.SetFixedSize)
231 self.setObjectName("main_window")
234 def toggle_theme(self, theme_name):
235 old_path = QDir.currentPath()
236 self.actuator.change_theme(theme_name)
237 # Recompute style globally
238 qApp.style().unpolish(self)
239 qApp.style().polish(self)
240 QDir.setCurrent(old_path)
242 def closeEvent(self, event):
243 super(MiniWindow, self).closeEvent(event)
246 def set_payment_fields(self, dest_address, amount):
247 self.address_input.setText(dest_address)
248 self.address_field_changed(dest_address)
249 self.amount_input.setText(amount)
254 def deactivate(self):
257 def set_quote_currency(self, currency):
258 """Set and display the fiat currency country."""
259 assert currency in self.quote_currencies
260 self.quote_currencies.remove(currency)
261 self.quote_currencies.insert(0, currency)
262 self.refresh_balance()
264 def change_quote_currency(self):
265 self.quote_currencies = \
266 self.quote_currencies[1:] + self.quote_currencies[0:1]
267 self.actuator.set_config_currency(self.quote_currencies[0])
268 self.refresh_balance()
270 def refresh_balance(self):
271 if self.btc_balance is None:
272 # Price has been discovered before wallet has been loaded
273 # and server connect... so bail.
275 self.set_balances(self.btc_balance)
276 self.amount_input_changed(self.amount_input.text())
278 def set_balances(self, btc_balance):
279 """Set the bitcoin balance and update the amount label accordingly."""
280 self.btc_balance = btc_balance
281 quote_text = self.create_quote_text(btc_balance)
283 quote_text = "(%s)" % quote_text
284 btc_balance = "%.2f" % (btc_balance / bitcoin(1))
285 self.balance_label.set_balance_text(btc_balance, quote_text)
286 self.setWindowTitle("Electrum - %s BTC" % btc_balance)
288 def amount_input_changed(self, amount_text):
289 """Update the number of bitcoins displayed."""
290 self.check_button_status()
293 amount = D(str(amount_text))
294 except decimal.InvalidOperation:
295 self.balance_label.show_balance()
297 quote_text = self.create_quote_text(amount * bitcoin(1))
299 self.balance_label.set_amount_text(quote_text)
300 self.balance_label.show_amount()
302 self.balance_label.show_balance()
304 def create_quote_text(self, btc_balance):
305 """Return a string copy of the amount fiat currency the
306 user has in bitcoins."""
307 quote_currency = self.quote_currencies[0]
308 quote_balance = self.exchanger.exchange(btc_balance, quote_currency)
309 if quote_balance is None:
312 quote_text = "%.2f %s" % ((quote_balance / bitcoin(1)),
317 if self.actuator.send(self.address_input.text(),
318 self.amount_input.text(), self):
319 self.address_input.setText("")
320 self.amount_input.setText("")
322 def check_button_status(self):
323 """Check that the bitcoin address is valid and that something
324 is entered in the amount before making the send button clickable."""
325 if (self.address_input.property("isValid") == True and
326 len(self.amount_input.text()) > 0):
327 self.send_button.setDisabled(False)
329 self.send_button.setDisabled(True)
331 def address_field_changed(self, address):
332 if self.actuator.is_valid(address):
333 self.check_button_status()
334 self.address_input.setProperty("isValid", True)
335 self.recompute_style(self.address_input)
337 self.send_button.setDisabled(True)
338 self.address_input.setProperty("isValid", False)
339 self.recompute_style(self.address_input)
341 if len(address) == 0:
342 self.address_input.setProperty("isValid", None)
343 self.recompute_style(self.address_input)
345 def recompute_style(self, element):
346 self.style().unpolish(element)
347 self.style().polish(element)
349 def copy_address(self):
350 receive_popup = ReceivePopup(self.receive_button)
351 self.actuator.copy_address(receive_popup)
353 def update_completions(self, completions):
354 self.address_completions.setStringList(completions)
356 def update_history(self, tx_history):
357 for tx in tx_history[-10:]:
358 address = tx["default_label"]
359 amount = D(tx["value"]) / 10**8
360 self.history_list.append(address, amount)
363 self.actuator.acceptbit(self.quote_currencies[0])
365 def the_website(self):
366 webbrowser.open("http://electrum-desktop.com")
368 def show_about(self):
369 QMessageBox.about(self, "Electrum",
370 _("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.\n\nSend donations to 1JwTMv4GWaPdf931N6LNPJeZBfZgZJ3zX1"))
372 def show_report_bug(self):
373 QMessageBox.information(self, "Electrum - " + _("Reporting Bugs"),
374 _("Email bug reports to %s") % "genjix" + "@" + "riseup.net")
376 def show_history(self, toggle_state):
378 self.history_list.show()
380 self.history_list.hide()
382 class BalanceLabel(QLabel):
388 def __init__(self, change_quote_currency, parent=None):
389 super(QLabel, self).__init__(_("Connecting..."), parent)
390 self.change_quote_currency = change_quote_currency
391 self.state = self.SHOW_CONNECTING
392 self.balance_text = ""
393 self.amount_text = ""
395 def mousePressEvent(self, event):
396 """Change the fiat currency selection if window background is clicked."""
397 if self.state != self.SHOW_CONNECTING:
398 self.change_quote_currency()
400 def set_balance_text(self, btc_balance, quote_text):
401 """Set the amount of bitcoins in the gui."""
402 if self.state == self.SHOW_CONNECTING:
403 self.state = self.SHOW_BALANCE
404 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)
405 if self.state == self.SHOW_BALANCE:
406 self.setText(self.balance_text)
408 def set_amount_text(self, quote_text):
409 self.amount_text = "<span style='font-size: 10pt'>%s</span>" % quote_text
410 if self.state == self.SHOW_AMOUNT:
411 self.setText(self.amount_text)
413 def show_balance(self):
414 if self.state == self.SHOW_AMOUNT:
415 self.state = self.SHOW_BALANCE
416 self.setText(self.balance_text)
418 def show_amount(self):
419 if self.state == self.SHOW_BALANCE:
420 self.state = self.SHOW_AMOUNT
421 self.setText(self.amount_text)
423 def ok_cancel_buttons(dialog):
424 row_layout = QHBoxLayout()
425 row_layout.addStretch(1)
426 ok_button = QPushButton(_("OK"))
427 row_layout.addWidget(ok_button)
428 ok_button.clicked.connect(dialog.accept)
429 cancel_button = QPushButton(_("Cancel"))
430 row_layout.addWidget(cancel_button)
431 cancel_button.clicked.connect(dialog.reject)
434 class PasswordDialog(QDialog):
436 def __init__(self, parent):
437 super(QDialog, self).__init__(parent)
441 self.password_input = QLineEdit()
442 self.password_input.setEchoMode(QLineEdit.Password)
444 main_layout = QVBoxLayout(self)
445 message = _('Please enter your password')
446 main_layout.addWidget(QLabel(message))
450 grid.addWidget(QLabel(_('Password')), 1, 0)
451 grid.addWidget(self.password_input, 1, 1)
452 main_layout.addLayout(grid)
454 main_layout.addLayout(ok_cancel_buttons(self))
455 self.setLayout(main_layout)
460 return unicode(self.password_input.text())
462 class ReceivePopup(QDialog):
464 def leaveEvent(self, event):
467 def setup(self, address):
468 label = QLabel(_("Copied your Bitcoin address to the clipboard!"))
469 address_display = QLineEdit(address)
470 address_display.setReadOnly(True)
471 resize_line_edit_width(address_display, address)
473 main_layout = QVBoxLayout(self)
474 main_layout.addWidget(label)
475 main_layout.addWidget(address_display)
477 self.setMouseTracking(True)
478 self.setWindowTitle("Electrum - " + _("Receive Bitcoin payment"))
479 self.setWindowFlags(Qt.Window|Qt.FramelessWindowHint|Qt.MSWindowsFixedSizeDialogHint)
480 self.layout().setSizeConstraint(QLayout.SetFixedSize)
481 #self.setFrameStyle(QFrame.WinPanel|QFrame.Raised)
482 #self.setAlignment(Qt.AlignCenter)
485 parent = self.parent()
486 top_left_pos = parent.mapToGlobal(parent.rect().bottomLeft())
487 self.move(top_left_pos)
488 center_mouse_pos = self.mapToGlobal(self.rect().center())
489 QCursor.setPos(center_mouse_pos)
493 """Initialize the definitions relating to themes and
494 sending/recieving bitcoins.
498 def __init__(self, wallet):
499 """Retrieve the gui theme used in previous session."""
501 self.theme_name = self.wallet.theme
502 self.themes = util.load_theme_paths()
504 def load_theme(self):
505 """Load theme retrieved from wallet file."""
507 theme_prefix, theme_path = self.themes[self.theme_name]
509 util.print_error("Theme not found!", self.theme_name)
511 QDir.setCurrent(os.path.join(theme_prefix, theme_path))
512 with open(rsrc("style.css")) as style_file:
513 qApp.setStyleSheet(style_file.read())
515 def theme_names(self):
517 return sorted(self.themes.keys())
519 def selected_theme(self):
521 return self.theme_name
523 def change_theme(self, theme_name):
525 self.wallet.theme = self.theme_name = theme_name
528 def set_configured_currency(self, set_quote_currency):
529 """Set the inital fiat currency conversion country (USD/EUR/GBP) in
530 the GUI to what it was set to in the wallet."""
531 currency = self.wallet.conversion_currency
532 # currency can be none when Electrum is used for the first
533 # time and no setting has been created yet.
534 if currency is not None:
535 set_quote_currency(currency)
537 def set_config_currency(self, conversion_currency):
538 """Change the wallet fiat currency country."""
539 self.wallet.conversion_currency = conversion_currency
541 def copy_address(self, receive_popup):
542 """Copy the wallet addresses into the client."""
543 addrs = [addr for addr in self.wallet.all_addresses()
544 if not self.wallet.is_change(addr)]
545 # Select most recent addresses from gap limit
546 addrs = addrs[-self.wallet.gap_limit:]
547 copied_address = random.choice(addrs)
548 qApp.clipboard().setText(copied_address)
549 receive_popup.setup(copied_address)
550 receive_popup.popup()
552 def send(self, address, amount, parent_window):
553 """Send bitcoins to the target address."""
554 dest_address = self.fetch_destination(address)
556 if dest_address is None or not self.wallet.is_valid(dest_address):
557 QMessageBox.warning(parent_window, _('Error'),
558 _('Invalid Bitcoin Address') + ':\n' + address, _('OK'))
561 convert_amount = lambda amount: \
562 int(D(unicode(amount)) * bitcoin(1))
563 amount = convert_amount(amount)
565 if self.wallet.use_encryption:
566 password_dialog = PasswordDialog(parent_window)
567 password = password_dialog.run()
575 if amount < bitcoin(1) / 10:
577 fee = bitcoin(1) / 1000
580 tx = self.wallet.mktx(dest_address, amount, "", password, fee)
581 except BaseException as error:
582 QMessageBox.warning(parent_window, _('Error'), str(error), _('OK'))
585 status, message = self.wallet.sendtx(tx)
587 QMessageBox.warning(parent_window, _('Error'), message, _('OK'))
590 QMessageBox.information(parent_window, '',
591 _('Payment sent.') + '\n' + message, _('OK'))
594 def fetch_destination(self, address):
595 recipient = unicode(address).strip()
598 match1 = re.match("^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$",
601 # label or alias, with address in brackets
602 match2 = re.match("(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>",
607 self.wallet.get_alias(recipient, True,
608 self.show_message, self.question)
611 return match2.group(2)
615 def is_valid(self, address):
616 """Check if bitcoin address is valid."""
617 return self.wallet.is_valid(address)
619 def acceptbit(self, currency):
620 master_pubkey = self.wallet.master_public_key.encode("hex")
621 url = "http://acceptbit.com/mpk/%s/%s" % (master_pubkey, currency)
624 def show_seed_dialog(self):
625 gui_qt.ElectrumWindow.show_seed_dialog(self.wallet)
627 class MiniDriver(QObject):
634 def __init__(self, wallet, window):
635 super(QObject, self).__init__()
640 self.wallet.register_callback(self.update_callback)
645 self.connect(self, SIGNAL("updatesignal()"), self.update)
646 self.update_callback()
648 # This is a hack to workaround that Qt does not like changing the
649 # window properties from this other thread before the runloop has
651 def update_callback(self):
652 self.emit(SIGNAL("updatesignal()"))
655 if not self.wallet.interface:
657 elif not self.wallet.interface.is_connected:
659 elif not self.wallet.blocks == -1:
661 elif not self.wallet.is_up_to_date:
666 if self.wallet.up_to_date:
667 self.update_balance()
668 self.update_completions()
669 self.update_history()
671 def initializing(self):
672 if self.state == self.INITIALIZING:
674 self.state = self.INITIALIZING
675 self.window.deactivate()
677 def connecting(self):
678 if self.state == self.CONNECTING:
680 self.state = self.CONNECTING
681 self.window.deactivate()
683 def synchronizing(self):
684 if self.state == self.SYNCHRONIZING:
686 self.state = self.SYNCHRONIZING
687 self.window.deactivate()
690 if self.state == self.READY:
692 self.state = self.READY
693 self.window.activate()
695 def update_balance(self):
696 conf_balance, unconf_balance = self.wallet.get_balance()
697 balance = D(conf_balance + unconf_balance)
698 self.window.set_balances(balance)
700 def update_completions(self):
702 for addr, label in self.wallet.labels.items():
703 if addr in self.wallet.addressbook:
704 completions.append("%s <%s>" % (label, addr))
705 completions = completions + self.wallet.aliases.keys()
706 self.window.update_completions(completions)
708 def update_history(self):
709 tx_history = self.wallet.get_tx_history()
710 self.window.update_history(tx_history)
712 if __name__ == "__main__":
713 app = QApplication(sys.argv)
714 with open(rsrc("style.css")) as style_file:
715 app.setStyleSheet(style_file.read())
717 sys.exit(app.exec_())