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 # self.address_input.property(...) returns a qVariant, not a bool.
326 # The == is needed to properly invoke a comparison.
327 if (self.address_input.property("isValid") == True and
328 len(self.amount_input.text()) > 0):
329 self.send_button.setDisabled(False)
331 self.send_button.setDisabled(True)
333 def address_field_changed(self, address):
334 if self.actuator.is_valid(address):
335 self.check_button_status()
336 self.address_input.setProperty("isValid", True)
337 self.recompute_style(self.address_input)
339 self.send_button.setDisabled(True)
340 self.address_input.setProperty("isValid", False)
341 self.recompute_style(self.address_input)
343 if len(address) == 0:
344 self.address_input.setProperty("isValid", None)
345 self.recompute_style(self.address_input)
347 def recompute_style(self, element):
348 self.style().unpolish(element)
349 self.style().polish(element)
351 def copy_address(self):
352 receive_popup = ReceivePopup(self.receive_button)
353 self.actuator.copy_address(receive_popup)
355 def update_completions(self, completions):
356 self.address_completions.setStringList(completions)
358 def update_history(self, tx_history):
359 for tx in tx_history[-10:]:
360 address = tx["default_label"]
361 amount = D(tx["value"]) / 10**8
362 self.history_list.append(address, amount)
365 self.actuator.acceptbit(self.quote_currencies[0])
367 def the_website(self):
368 webbrowser.open("http://electrum-desktop.com")
370 def show_about(self):
371 QMessageBox.about(self, "Electrum",
372 _("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"))
374 def show_report_bug(self):
375 QMessageBox.information(self, "Electrum - " + _("Reporting Bugs"),
376 _("Email bug reports to %s") % "genjix" + "@" + "riseup.net")
378 def show_history(self, toggle_state):
380 self.history_list.show()
382 self.history_list.hide()
384 class BalanceLabel(QLabel):
390 def __init__(self, change_quote_currency, parent=None):
391 super(QLabel, self).__init__(_("Connecting..."), parent)
392 self.change_quote_currency = change_quote_currency
393 self.state = self.SHOW_CONNECTING
394 self.balance_text = ""
395 self.amount_text = ""
397 def mousePressEvent(self, event):
398 """Change the fiat currency selection if window background is clicked."""
399 if self.state != self.SHOW_CONNECTING:
400 self.change_quote_currency()
402 def set_balance_text(self, btc_balance, quote_text):
403 """Set the amount of bitcoins in the gui."""
404 if self.state == self.SHOW_CONNECTING:
405 self.state = self.SHOW_BALANCE
406 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)
407 if self.state == self.SHOW_BALANCE:
408 self.setText(self.balance_text)
410 def set_amount_text(self, quote_text):
411 self.amount_text = "<span style='font-size: 10pt'>%s</span>" % quote_text
412 if self.state == self.SHOW_AMOUNT:
413 self.setText(self.amount_text)
415 def show_balance(self):
416 if self.state == self.SHOW_AMOUNT:
417 self.state = self.SHOW_BALANCE
418 self.setText(self.balance_text)
420 def show_amount(self):
421 if self.state == self.SHOW_BALANCE:
422 self.state = self.SHOW_AMOUNT
423 self.setText(self.amount_text)
425 def ok_cancel_buttons(dialog):
426 row_layout = QHBoxLayout()
427 row_layout.addStretch(1)
428 ok_button = QPushButton(_("OK"))
429 row_layout.addWidget(ok_button)
430 ok_button.clicked.connect(dialog.accept)
431 cancel_button = QPushButton(_("Cancel"))
432 row_layout.addWidget(cancel_button)
433 cancel_button.clicked.connect(dialog.reject)
436 class PasswordDialog(QDialog):
438 def __init__(self, parent):
439 super(QDialog, self).__init__(parent)
443 self.password_input = QLineEdit()
444 self.password_input.setEchoMode(QLineEdit.Password)
446 main_layout = QVBoxLayout(self)
447 message = _('Please enter your password')
448 main_layout.addWidget(QLabel(message))
452 grid.addWidget(QLabel(_('Password')), 1, 0)
453 grid.addWidget(self.password_input, 1, 1)
454 main_layout.addLayout(grid)
456 main_layout.addLayout(ok_cancel_buttons(self))
457 self.setLayout(main_layout)
462 return unicode(self.password_input.text())
464 class ReceivePopup(QDialog):
466 def leaveEvent(self, event):
469 def setup(self, address):
470 label = QLabel(_("Copied your Bitcoin address to the clipboard!"))
471 address_display = QLineEdit(address)
472 address_display.setReadOnly(True)
473 resize_line_edit_width(address_display, address)
475 main_layout = QVBoxLayout(self)
476 main_layout.addWidget(label)
477 main_layout.addWidget(address_display)
479 self.setMouseTracking(True)
480 self.setWindowTitle("Electrum - " + _("Receive Bitcoin payment"))
481 self.setWindowFlags(Qt.Window|Qt.FramelessWindowHint|Qt.MSWindowsFixedSizeDialogHint)
482 self.layout().setSizeConstraint(QLayout.SetFixedSize)
483 #self.setFrameStyle(QFrame.WinPanel|QFrame.Raised)
484 #self.setAlignment(Qt.AlignCenter)
487 parent = self.parent()
488 top_left_pos = parent.mapToGlobal(parent.rect().bottomLeft())
489 self.move(top_left_pos)
490 center_mouse_pos = self.mapToGlobal(self.rect().center())
491 QCursor.setPos(center_mouse_pos)
495 """Initialize the definitions relating to themes and
496 sending/recieving bitcoins.
500 def __init__(self, wallet):
501 """Retrieve the gui theme used in previous session."""
503 self.theme_name = self.wallet.theme
504 self.themes = util.load_theme_paths()
506 def load_theme(self):
507 """Load theme retrieved from wallet file."""
509 theme_prefix, theme_path = self.themes[self.theme_name]
511 util.print_error("Theme not found!", self.theme_name)
513 QDir.setCurrent(os.path.join(theme_prefix, theme_path))
514 with open(rsrc("style.css")) as style_file:
515 qApp.setStyleSheet(style_file.read())
517 def theme_names(self):
519 return sorted(self.themes.keys())
521 def selected_theme(self):
523 return self.theme_name
525 def change_theme(self, theme_name):
527 self.wallet.theme = self.theme_name = theme_name
530 def set_configured_currency(self, set_quote_currency):
531 """Set the inital fiat currency conversion country (USD/EUR/GBP) in
532 the GUI to what it was set to in the wallet."""
533 currency = self.wallet.conversion_currency
534 # currency can be none when Electrum is used for the first
535 # time and no setting has been created yet.
536 if currency is not None:
537 set_quote_currency(currency)
539 def set_config_currency(self, conversion_currency):
540 """Change the wallet fiat currency country."""
541 self.wallet.conversion_currency = conversion_currency
543 def copy_address(self, receive_popup):
544 """Copy the wallet addresses into the client."""
545 addrs = [addr for addr in self.wallet.all_addresses()
546 if not self.wallet.is_change(addr)]
547 # Select most recent addresses from gap limit
548 addrs = addrs[-self.wallet.gap_limit:]
549 copied_address = random.choice(addrs)
550 qApp.clipboard().setText(copied_address)
551 receive_popup.setup(copied_address)
552 receive_popup.popup()
554 def send(self, address, amount, parent_window):
555 """Send bitcoins to the target address."""
556 dest_address = self.fetch_destination(address)
558 if dest_address is None or not self.wallet.is_valid(dest_address):
559 QMessageBox.warning(parent_window, _('Error'),
560 _('Invalid Bitcoin Address') + ':\n' + address, _('OK'))
563 convert_amount = lambda amount: \
564 int(D(unicode(amount)) * bitcoin(1))
565 amount = convert_amount(amount)
567 if self.wallet.use_encryption:
568 password_dialog = PasswordDialog(parent_window)
569 password = password_dialog.run()
577 if amount < bitcoin(1) / 10:
579 fee = bitcoin(1) / 1000
582 tx = self.wallet.mktx(dest_address, amount, "", password, fee)
583 except BaseException as error:
584 QMessageBox.warning(parent_window, _('Error'), str(error), _('OK'))
587 status, message = self.wallet.sendtx(tx)
589 QMessageBox.warning(parent_window, _('Error'), message, _('OK'))
592 QMessageBox.information(parent_window, '',
593 _('Payment sent.') + '\n' + message, _('OK'))
596 def fetch_destination(self, address):
597 recipient = unicode(address).strip()
600 match1 = re.match("^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$",
603 # label or alias, with address in brackets
604 match2 = re.match("(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>",
609 self.wallet.get_alias(recipient, True,
610 self.show_message, self.question)
613 return match2.group(2)
617 def is_valid(self, address):
618 """Check if bitcoin address is valid."""
619 return self.wallet.is_valid(address)
621 def acceptbit(self, currency):
622 master_pubkey = self.wallet.master_public_key.encode("hex")
623 url = "http://acceptbit.com/mpk/%s/%s" % (master_pubkey, currency)
626 def show_seed_dialog(self):
627 gui_qt.ElectrumWindow.show_seed_dialog(self.wallet)
629 class MiniDriver(QObject):
636 def __init__(self, wallet, window):
637 super(QObject, self).__init__()
642 self.wallet.register_callback(self.update_callback)
647 self.connect(self, SIGNAL("updatesignal()"), self.update)
648 self.update_callback()
650 # This is a hack to workaround that Qt does not like changing the
651 # window properties from this other thread before the runloop has
653 def update_callback(self):
654 self.emit(SIGNAL("updatesignal()"))
657 if not self.wallet.interface:
659 elif not self.wallet.interface.is_connected:
661 elif not self.wallet.blocks == -1:
663 elif not self.wallet.is_up_to_date:
668 if self.wallet.up_to_date:
669 self.update_balance()
670 self.update_completions()
671 self.update_history()
673 def initializing(self):
674 if self.state == self.INITIALIZING:
676 self.state = self.INITIALIZING
677 self.window.deactivate()
679 def connecting(self):
680 if self.state == self.CONNECTING:
682 self.state = self.CONNECTING
683 self.window.deactivate()
685 def synchronizing(self):
686 if self.state == self.SYNCHRONIZING:
688 self.state = self.SYNCHRONIZING
689 self.window.deactivate()
692 if self.state == self.READY:
694 self.state = self.READY
695 self.window.activate()
697 def update_balance(self):
698 conf_balance, unconf_balance = self.wallet.get_balance()
699 balance = D(conf_balance + unconf_balance)
700 self.window.set_balances(balance)
702 def update_completions(self):
704 for addr, label in self.wallet.labels.items():
705 if addr in self.wallet.addressbook:
706 completions.append("%s <%s>" % (label, addr))
707 completions = completions + self.wallet.aliases.keys()
708 self.window.update_completions(completions)
710 def update_history(self):
711 tx_history = self.wallet.get_tx_history()
712 self.window.update_history(tx_history)
714 if __name__ == "__main__":
715 app = QApplication(sys.argv)
716 with open(rsrc("style.css")) as style_file:
717 app.setStyleSheet(style_file.read())
719 sys.exit(app.exec_())