lib/gui_lite.py

   1 import sys
   2
   3 from PyQt4.QtCore import *
   4 from PyQt4.QtGui import *
   5
   6 from decimal import Decimal as D
   7 from util import appdata_dir, get_resource_path as rsrc
   8 from i18n import _
   9 import decimal
  10 import exchange_rate
  11 import os.path
  12 import random
  13 import re
  14 import time
  15 import wallet
  16 import webbrowser
  17 import history_widget
  18
  19 try:
  20     import lib.gui_qt as gui_qt
  21 except ImportError:
  22     import electrum.gui_qt as gui_qt
  23
  24 bitcoin = lambda v: v * 100000000
  25
  26 def IconButton(filename, parent=None):
  27     pixmap = QPixmap(filename)
  28     icon = QIcon(pixmap)
  29     return QPushButton(icon, "", parent)
  30
  31 class Timer(QThread):
  32     def run(self):
  33         while True:
  34             self.emit(SIGNAL('timersignal'))
  35             time.sleep(0.5)
  36
  37 def resize_line_edit_width(line_edit, text_input):
  38     metrics = QFontMetrics(qApp.font())
  39     # Create an extra character to add some space on the end
  40     text_input += "A"
  41     line_edit.setMinimumWidth(metrics.width(text_input))
  42
  43 def cd_data_dir():
  44     assert sys.argv
  45     prefix_path = os.path.dirname(sys.argv[0])
  46     local_data = os.path.join(prefix_path, "data")
  47     if os.path.exists(os.path.join(local_data, "style.css")):
  48         data_dir = local_data
  49     else:
  50         data_dir = appdata_dir()
  51     QDir.setCurrent(data_dir)
  52
  53 class ElectrumGui:
  54
  55     def __init__(self, wallet):
  56         self.wallet = wallet
  57         self.app = QApplication(sys.argv)
  58         # Should probably not modify the current path but instead
  59         # change the behaviour of rsrc(...)
  60         self.old_path = QDir.currentPath()
  61         cd_data_dir()
  62         with open(rsrc("style.css")) as style_file:
  63             self.app.setStyleSheet(style_file.read())
  64
  65     def main(self, url):
  66         actuator = MiniActuator(self.wallet)
  67         self.mini = MiniWindow(actuator, self.expand)
  68         driver = MiniDriver(self.wallet, self.mini)
  69
  70         # Reset path back to original value now that loading the GUI
  71         # is completed.
  72         QDir.setCurrent(self.old_path)
  73
  74         if url:
  75             self.set_url(url)
  76
  77         timer = Timer()
  78         timer.start()
  79         self.expert = gui_qt.ElectrumWindow(self.wallet)
  80         self.expert.app = self.app
  81         self.expert.connect_slots(timer)
  82         self.expert.update_wallet()
  83
  84         self.app.exec_()
  85
  86     def expand(self):
  87         self.mini.hide()
  88         self.expert.show()
  89
  90     def set_url(self, url):
  91         payto, amount, label, message, signature, identity, url = \
  92             self.wallet.parse_url(url, self.show_message, self.show_question)
  93         self.mini.set_payment_fields(payto, amount)
  94
  95     def show_message(self, message):
  96         QMessageBox.information(self.mini, _("Message"), message, _("OK"))
  97
  98     def show_question(self, message):
  99         choice = QMessageBox.question(self.mini, _("Message"), message,
 100                                       QMessageBox.Yes|QMessageBox.No,
 101                                       QMessageBox.No)
 102         return choice == QMessageBox.Yes
 103
 104     def restore_or_create(self):
 105         qt_gui_object = gui_qt.ElectrumGui(self.wallet, self.app)
 106         return qt_gui_object.restore_or_create()
 107
 108 class MiniWindow(QDialog):
 109
 110     def __init__(self, actuator, expand_callback):
 111         super(MiniWindow, self).__init__()
 112
 113         self.actuator = actuator
 114
 115         self.btc_balance = None
 116         self.quote_currencies = ["EUR", "USD", "GBP"]
 117         self.actuator.set_configured_currency(self.set_quote_currency)
 118         self.exchanger = exchange_rate.Exchanger(self)
 119         # Needed because price discovery is done in a different thread
 120         # which needs to be sent back to this main one to update the GUI
 121         self.connect(self, SIGNAL("refresh_balance()"), self.refresh_balance)
 122
 123         self.balance_label = BalanceLabel(self.change_quote_currency)
 124         self.balance_label.setObjectName("balance_label")
 125
 126         self.receive_button = QPushButton(_("&Receive"))
 127         self.receive_button.setObjectName("receive_button")
 128         self.receive_button.setDefault(True)
 129         self.receive_button.clicked.connect(self.copy_address)
 130
 131         # Bitcoin address code
 132         self.address_input = QLineEdit()
 133         self.address_input.setPlaceholderText(_("Enter a Bitcoin address..."))
 134         self.address_input.setObjectName("address_input")
 135
 136
 137         self.address_input.textEdited.connect(self.address_field_changed)
 138         resize_line_edit_width(self.address_input,
 139                                "1BtaFUr3qVvAmwrsuDuu5zk6e4s2rxd2Gy")
 140
 141         self.address_completions = QStringListModel()
 142         address_completer = QCompleter(self.address_input)
 143         address_completer.setCaseSensitivity(False)
 144         address_completer.setModel(self.address_completions)
 145         self.address_input.setCompleter(address_completer)
 146
 147         address_layout = QHBoxLayout()
 148         address_layout.addWidget(self.address_input)
 149
 150         self.amount_input = QLineEdit()
 151         self.amount_input.setPlaceholderText(_("... and amount"))
 152         self.amount_input.setObjectName("amount_input")
 153         # This is changed according to the user's displayed balance
 154         self.amount_validator = QDoubleValidator(self.amount_input)
 155         self.amount_validator.setNotation(QDoubleValidator.StandardNotation)
 156         self.amount_validator.setDecimals(8)
 157         self.amount_input.setValidator(self.amount_validator)
 158
 159         # This removes the very ugly OSX highlighting, please leave this in :D
 160         self.address_input.setAttribute(Qt.WA_MacShowFocusRect, 0)
 161         self.amount_input.setAttribute(Qt.WA_MacShowFocusRect, 0)
 162         self.amount_input.textChanged.connect(self.amount_input_changed)
 163
 164         self.send_button = QPushButton(_("&Send"))
 165         self.send_button.setObjectName("send_button")
 166         self.send_button.setDisabled(True);
 167         self.send_button.clicked.connect(self.send)
 168
 169         main_layout = QGridLayout(self)
 170
 171         main_layout.addWidget(self.balance_label, 0, 0)
 172         main_layout.addWidget(self.receive_button, 0, 1)
 173
 174         main_layout.addWidget(self.address_input, 1, 0, 1, -1)
 175
 176         main_layout.addWidget(self.amount_input, 2, 0)
 177         main_layout.addWidget(self.send_button, 2, 1)
 178
 179         self.history_list = history_widget.HistoryWidget()
 180         self.history_list.setObjectName("history")
 181         self.history_list.hide()
 182         self.history_list.setAlternatingRowColors(True)
 183         main_layout.addWidget(self.history_list, 3, 0, 1, -1)
 184
 185         menubar = QMenuBar()
 186         electrum_menu = menubar.addMenu(_("&Bitcoin"))
 187         self.servers_menu = electrum_menu.addMenu(_("&Servers"))
 188         self.servers_menu.addAction(_("Foo"))
 189         electrum_menu.addSeparator()
 190         brain_seed = electrum_menu.addAction(_("&BrainWallet Info"))
 191         brain_seed.triggered.connect(self.actuator.show_seed_dialog)
 192         electrum_menu.addAction(_("&Quit"))
 193
 194         view_menu = menubar.addMenu(_("&View"))
 195         expert_gui = view_menu.addAction(_("&Pro Mode"))
 196         expert_gui.triggered.connect(expand_callback)
 197         view_menu.addMenu(_("&Themes"))
 198         view_menu.addSeparator()
 199         show_history = view_menu.addAction(_("Show History"))
 200         show_history.setCheckable(True)
 201         show_history.toggled.connect(self.show_history)
 202
 203         settings_menu = menubar.addMenu(_("&Settings"))
 204         settings_menu.addAction(_("&Configure Electrum"))
 205
 206         help_menu = menubar.addMenu(_("&Help"))
 207         the_website = help_menu.addAction(_("&Website"))
 208         the_website.triggered.connect(self.the_website)
 209         help_menu.addSeparator()
 210         report_bug = help_menu.addAction(_("&Report Bug"))
 211         report_bug.triggered.connect(self.show_report_bug)
 212         show_about = help_menu.addAction(_("&About"))
 213         show_about.triggered.connect(self.show_about)
 214         main_layout.setMenuBar(menubar)
 215
 216         quit_shortcut = QShortcut(QKeySequence("Ctrl+Q"), self)
 217         quit_shortcut.activated.connect(self.close)
 218         close_shortcut = QShortcut(QKeySequence("Ctrl+W"), self)
 219         close_shortcut.activated.connect(self.close)
 220
 221         self.setWindowIcon(QIcon(":electrum.png"))
 222         self.setWindowTitle("Electrum")
 223         self.setWindowFlags(Qt.Window|Qt.MSWindowsFixedSizeDialogHint)
 224         self.layout().setSizeConstraint(QLayout.SetFixedSize)
 225         self.setObjectName("main_window")
 226         self.show()
 227
 228     def recompute_style(self):
 229         qApp.style().unpolish(self)
 230         qApp.style().polish(self)
 231
 232     def closeEvent(self, event):
 233         super(MiniWindow, self).closeEvent(event)
 234         qApp.quit()
 235
 236     def set_payment_fields(self, dest_address, amount):
 237         self.address_input.setText(dest_address)
 238         self.address_field_changed(dest_address)
 239         self.amount_input.setText(amount)
 240
 241     def activate(self):
 242         pass
 243
 244     def deactivate(self):
 245         pass
 246
 247     def set_quote_currency(self, currency):
 248         assert currency in self.quote_currencies
 249         self.quote_currencies.remove(currency)
 250         self.quote_currencies = [currency] + self.quote_currencies
 251         self.refresh_balance()
 252
 253     def change_quote_currency(self):
 254         self.quote_currencies = \
 255             self.quote_currencies[1:] + self.quote_currencies[0:1]
 256         self.actuator.set_config_currency(self.quote_currencies[0])
 257         self.refresh_balance()
 258
 259     def refresh_balance(self):
 260         if self.btc_balance is None:
 261             # Price has been discovered before wallet has been loaded
 262             # and server connect... so bail.
 263             return
 264         self.set_balances(self.btc_balance)
 265         self.amount_input_changed(self.amount_input.text())
 266
 267     def set_balances(self, btc_balance):
 268         self.btc_balance = btc_balance
 269         quote_text = self.create_quote_text(btc_balance)
 270         if quote_text:
 271             quote_text = "(%s)" % quote_text
 272         btc_balance = "%.2f" % (btc_balance / bitcoin(1))
 273         self.balance_label.set_balance_text(btc_balance, quote_text)
 274         self.setWindowTitle("Electrum - %s BTC" % btc_balance)
 275
 276     def amount_input_changed(self, amount_text):
 277         self.check_button_status()
 278
 279         try:
 280             amount = D(str(amount_text))
 281         except decimal.InvalidOperation:
 282             self.balance_label.show_balance()
 283         else:
 284             quote_text = self.create_quote_text(amount * bitcoin(1))
 285             if quote_text:
 286                 self.balance_label.set_amount_text(quote_text)
 287                 self.balance_label.show_amount()
 288             else:
 289                 self.balance_label.show_balance()
 290
 291     def create_quote_text(self, btc_balance):
 292         quote_currency = self.quote_currencies[0]
 293         quote_balance = self.exchanger.exchange(btc_balance, quote_currency)
 294         if quote_balance is None:
 295             quote_text = ""
 296         else:
 297             quote_text = "%.2f %s" % ((quote_balance / bitcoin(1)),
 298                                       quote_currency)
 299         return quote_text
 300
 301     def send(self):
 302         if self.actuator.send(self.address_input.text(),
 303                               self.amount_input.text(), self):
 304             self.address_input.setText("")
 305             self.amount_input.setText("")
 306
 307     def check_button_status(self):
 308         if (self.address_input.property("isValid") == True and
 309             len(self.amount_input.text()) > 0):
 310             self.send_button.setDisabled(False)
 311         else:
 312             self.send_button.setDisabled(True)
 313
 314     def address_field_changed(self, address):
 315         if self.actuator.is_valid(address):
 316             self.check_button_status()
 317             self.address_input.setProperty("isValid", True)
 318             self.recompute_style(self.address_input)
 319         else:
 320             self.send_button.setDisabled(True)
 321             self.address_input.setProperty("isValid", False)
 322             self.recompute_style(self.address_input)
 323
 324         if len(address) == 0:
 325             self.address_input.setProperty("isValid", None)
 326             self.recompute_style(self.address_input)
 327
 328     def recompute_style(self, element):
 329         self.style().unpolish(element)
 330         self.style().polish(element)
 331
 332     def copy_address(self):
 333         receive_popup = ReceivePopup(self.receive_button)
 334         self.actuator.copy_address(receive_popup)
 335
 336     def update_completions(self, completions):
 337         self.address_completions.setStringList(completions)
 338
 339     def update_history(self, tx_history):
 340         for tx in tx_history[-10:]:
 341             address = tx["default_label"]
 342             amount = D(tx["value"]) / 10**8
 343             self.history_list.append(address, amount)
 344
 345     def acceptbit(self):
 346         self.actuator.acceptbit(self.quote_currencies[0])
 347
 348     def the_website(self):
 349         webbrowser.open("http://electrum-desktop.com")
 350
 351     def show_about(self):
 352         QMessageBox.about(self, "Electrum",
 353             _("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"))
 354
 355     def show_report_bug(self):
 356         QMessageBox.information(self, "Electrum - " + _("Reporting Bugs"),
 357             _("Email bug reports to %s") % "genjix" + "@" + "riseup.net")
 358
 359     def show_history(self, toggle_state):
 360         if toggle_state:
 361             self.history_list.show()
 362         else:
 363             self.history_list.hide()
 364
 365 class BalanceLabel(QLabel):
 366
 367     SHOW_CONNECTING = 1
 368     SHOW_BALANCE = 2
 369     SHOW_AMOUNT = 3
 370
 371     def __init__(self, change_quote_currency, parent=None):
 372         super(QLabel, self).__init__(_("Connecting..."), parent)
 373         self.change_quote_currency = change_quote_currency
 374         self.state = self.SHOW_CONNECTING
 375         self.balance_text = ""
 376         self.amount_text = ""
 377
 378     def mousePressEvent(self, event):
 379         if self.state != self.SHOW_CONNECTING:
 380             self.change_quote_currency()
 381
 382     def set_balance_text(self, btc_balance, quote_text):
 383         if self.state == self.SHOW_CONNECTING:
 384             self.state = self.SHOW_BALANCE
 385         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)
 386         if self.state == self.SHOW_BALANCE:
 387             self.setText(self.balance_text)
 388
 389     def set_amount_text(self, quote_text):
 390         self.amount_text = "<span style='font-size: 10pt'>%s</span>" % quote_text
 391         if self.state == self.SHOW_AMOUNT:
 392             self.setText(self.amount_text)
 393
 394     def show_balance(self):
 395         if self.state == self.SHOW_AMOUNT:
 396             self.state = self.SHOW_BALANCE
 397             self.setText(self.balance_text)
 398
 399     def show_amount(self):
 400         if self.state == self.SHOW_BALANCE:
 401             self.state = self.SHOW_AMOUNT
 402             self.setText(self.amount_text)
 403
 404 def ok_cancel_buttons(dialog):
 405     row_layout = QHBoxLayout()
 406     row_layout.addStretch(1)
 407     ok_button = QPushButton(_("OK"))
 408     row_layout.addWidget(ok_button)
 409     ok_button.clicked.connect(dialog.accept)
 410     cancel_button = QPushButton(_("Cancel"))
 411     row_layout.addWidget(cancel_button)
 412     cancel_button.clicked.connect(dialog.reject)
 413     return row_layout
 414
 415 class PasswordDialog(QDialog):
 416
 417     def __init__(self, parent):
 418         super(QDialog, self).__init__(parent)
 419
 420         self.setModal(True)
 421
 422         self.password_input = QLineEdit()
 423         self.password_input.setEchoMode(QLineEdit.Password)
 424
 425         main_layout = QVBoxLayout(self)
 426         message = _('Please enter your password')
 427         main_layout.addWidget(QLabel(message))
 428
 429         grid = QGridLayout()
 430         grid.setSpacing(8)
 431         grid.addWidget(QLabel(_('Password')), 1, 0)
 432         grid.addWidget(self.password_input, 1, 1)
 433         main_layout.addLayout(grid)
 434
 435         main_layout.addLayout(ok_cancel_buttons(self))
 436         self.setLayout(main_layout)
 437
 438     def run(self):
 439         if not self.exec_():
 440             return
 441         return unicode(self.password_input.text())
 442
 443 class ReceivePopup(QDialog):
 444
 445     def leaveEvent(self, event):
 446         self.close()
 447
 448     def setup(self, address):
 449         label = QLabel(_("Copied your Bitcoin address to the clipboard!"))
 450         address_display = QLineEdit(address)
 451         address_display.setReadOnly(True)
 452         resize_line_edit_width(address_display, address)
 453
 454         main_layout = QVBoxLayout(self)
 455         main_layout.addWidget(label)
 456         main_layout.addWidget(address_display)
 457
 458         self.setMouseTracking(True)
 459         self.setWindowTitle("Electrum - " + _("Receive Bitcoin payment"))
 460         self.setWindowFlags(Qt.Window|Qt.FramelessWindowHint|Qt.MSWindowsFixedSizeDialogHint)
 461         self.layout().setSizeConstraint(QLayout.SetFixedSize)
 462         #self.setFrameStyle(QFrame.WinPanel|QFrame.Raised)
 463         #self.setAlignment(Qt.AlignCenter)
 464
 465     def popup(self):
 466         parent = self.parent()
 467         top_left_pos = parent.mapToGlobal(parent.rect().bottomLeft())
 468         self.move(top_left_pos)
 469         center_mouse_pos = self.mapToGlobal(self.rect().center())
 470         QCursor.setPos(center_mouse_pos)
 471         self.show()
 472
 473 class MiniActuator:
 474
 475     def __init__(self, wallet):
 476         self.wallet = wallet
 477
 478     def set_configured_currency(self, set_quote_currency):
 479         currency = self.wallet.conversion_currency
 480         # currency can be none when Electrum is used for the first
 481         # time and no setting has been created yet.
 482         if currency is not None:
 483             set_quote_currency(currency)
 484
 485     def set_config_currency(self, conversion_currency):
 486         self.wallet.conversion_currency = conversion_currency
 487
 488     def copy_address(self, receive_popup):
 489         addrs = [addr for addr in self.wallet.all_addresses()
 490                  if not self.wallet.is_change(addr)]
 491         # Select most recent addresses from gap limit
 492         addrs = addrs[-self.wallet.gap_limit:]
 493         copied_address = random.choice(addrs)
 494         qApp.clipboard().setText(copied_address)
 495         receive_popup.setup(copied_address)
 496         receive_popup.popup()
 497
 498     def send(self, address, amount, parent_window):
 499         dest_address = self.fetch_destination(address)
 500
 501         if dest_address is None or not self.wallet.is_valid(dest_address):
 502             QMessageBox.warning(parent_window, _('Error'),
 503                 _('Invalid Bitcoin Address') + ':\n' + address, _('OK'))
 504             return False
 505
 506         convert_amount = lambda amount: \
 507             int(D(unicode(amount)) * bitcoin(1))
 508         amount = convert_amount(amount)
 509
 510         if self.wallet.use_encryption:
 511             password_dialog = PasswordDialog(parent_window)
 512             password = password_dialog.run()
 513             if not password:
 514                 return
 515         else:
 516             password = None
 517
 518         fee = 0
 519         # 0.1 BTC = 10000000
 520         if amount < bitcoin(1) / 10:
 521             # 0.001 BTC
 522             fee = bitcoin(1) / 1000
 523
 524         try:
 525             tx = self.wallet.mktx(dest_address, amount, "", password, fee)
 526         except BaseException as error:
 527             QMessageBox.warning(parent_window, _('Error'), str(error), _('OK'))
 528             return False
 529
 530         status, message = self.wallet.sendtx(tx)
 531         if not status:
 532             QMessageBox.warning(parent_window, _('Error'), message, _('OK'))
 533             return False
 534
 535         QMessageBox.information(parent_window, '',
 536             _('Payment sent.') + '\n' + message, _('OK'))
 537         return True
 538
 539     def fetch_destination(self, address):
 540         recipient = unicode(address).strip()
 541
 542         # alias
 543         match1 = re.match("^(|([\w\-\.]+)@)((\w[\w\-]+\.)+[\w\-]+)$",
 544                           recipient)
 545
 546         # label or alias, with address in brackets
 547         match2 = re.match("(.*?)\s*\<([1-9A-HJ-NP-Za-km-z]{26,})\>",
 548                           recipient)
 549
 550         if match1:
 551             dest_address = \
 552                 self.wallet.get_alias(recipient, True,
 553                                       self.show_message, self.question)
 554             return dest_address
 555         elif match2:
 556             return match2.group(2)
 557         else:
 558             return recipient
 559
 560     def is_valid(self, address):
 561         return self.wallet.is_valid(address)
 562
 563     def acceptbit(self, currency):
 564         master_pubkey = self.wallet.master_public_key.encode("hex")
 565         url = "http://acceptbit.com/mpk/%s/%s" % (master_pubkey, currency)
 566         webbrowser.open(url)
 567
 568     def show_seed_dialog(self):
 569         gui_qt.ElectrumWindow.show_seed_dialog(self.wallet)
 570
 571 class MiniDriver(QObject):
 572
 573     INITIALIZING = 0
 574     CONNECTING = 1
 575     SYNCHRONIZING = 2
 576     READY = 3
 577
 578     def __init__(self, wallet, window):
 579         super(QObject, self).__init__()
 580
 581         self.wallet = wallet
 582         self.window = window
 583
 584         self.wallet.register_callback(self.update_callback)
 585
 586         self.state = None
 587
 588         self.initializing()
 589         self.connect(self, SIGNAL("updatesignal()"), self.update)
 590         self.update_callback()
 591
 592     # This is a hack to workaround that Qt does not like changing the
 593     # window properties from this other thread before the runloop has
 594     # been called from.
 595     def update_callback(self):
 596         self.emit(SIGNAL("updatesignal()"))
 597
 598     def update(self):
 599         if not self.wallet.interface:
 600             self.initializing()
 601         elif not self.wallet.interface.is_connected:
 602             self.connecting()
 603         elif not self.wallet.blocks == -1:
 604             self.connecting()
 605         elif not self.wallet.is_up_to_date:
 606             self.synchronizing()
 607         else:
 608             self.ready()
 609
 610         if self.wallet.up_to_date:
 611             self.update_balance()
 612             self.update_completions()
 613             self.update_history()
 614
 615     def initializing(self):
 616         if self.state == self.INITIALIZING:
 617             return
 618         self.state = self.INITIALIZING
 619         self.window.deactivate()
 620
 621     def connecting(self):
 622         if self.state == self.CONNECTING:
 623             return
 624         self.state = self.CONNECTING
 625         self.window.deactivate()
 626
 627     def synchronizing(self):
 628         if self.state == self.SYNCHRONIZING:
 629             return
 630         self.state = self.SYNCHRONIZING
 631         self.window.deactivate()
 632
 633     def ready(self):
 634         if self.state == self.READY:
 635             return
 636         self.state = self.READY
 637         self.window.activate()
 638
 639     def update_balance(self):
 640         conf_balance, unconf_balance = self.wallet.get_balance()
 641         balance = D(conf_balance + unconf_balance)
 642         self.window.set_balances(balance)
 643
 644     def update_completions(self):
 645         completions = []
 646         for addr, label in self.wallet.labels.items():
 647             if addr in self.wallet.addressbook:
 648                 completions.append("%s <%s>" % (label, addr))
 649         completions = completions + self.wallet.aliases.keys()
 650         self.window.update_completions(completions)
 651
 652     def update_history(self):
 653         tx_history = self.wallet.get_tx_history()
 654         self.window.update_history(tx_history)
 655
 656 if __name__ == "__main__":
 657     app = QApplication(sys.argv)
 658     with open(rsrc("style.css")) as style_file:
 659         app.setStyleSheet(style_file.read())
 660     mini = MiniWindow()
 661     sys.exit(app.exec_())
 662