#!/usr/bin/env python # # Electrum - lightweight Bitcoin client # Copyright (C) 2012 thomasv@gitorious # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . import sys import os import signal try: import PyQt4 except Exception: sys.exit("Error: Could not import PyQt4 on Linux systems, you may try 'sudo apt-get install python-qt4'") from PyQt4.QtGui import * from PyQt4.QtCore import * import PyQt4.QtCore as QtCore from electrum.i18n import _, set_language from electrum.plugins import run_hook from electrum import SimpleConfig, Wallet, WalletStorage from electrum.paymentrequest import InvoiceStore from electrum.contacts import Contacts from electrum.synchronizer import Synchronizer from electrum.verifier import SPV from electrum.util import DebugMem from electrum.wallet import Abstract_Wallet from installwizard import InstallWizard try: import icons_rc except Exception: sys.exit("Error: Could not import icons_rc.py, please generate it with: 'pyrcc4 icons.qrc -o gui/qt/icons_rc.py'") from util import * # * needed for plugins from main_window import ElectrumWindow class OpenFileEventFilter(QObject): def __init__(self, windows): self.windows = windows super(OpenFileEventFilter, self).__init__() def eventFilter(self, obj, event): if event.type() == QtCore.QEvent.FileOpen: if len(self.windows) >= 1: self.windows[0].pay_to_URI(event.url().toEncoded()) return True return False class ElectrumGui: def __init__(self, config, network, plugins): set_language(config.get('language')) # Uncomment this call to verify objects are being properly # GC-ed when windows are closed #network.add_jobs([DebugMem([Abstract_Wallet, SPV, Synchronizer, # ElectrumWindow], interval=5)]) self.network = network self.config = config self.plugins = plugins self.windows = [] self.efilter = OpenFileEventFilter(self.windows) self.app = QApplication(sys.argv) self.app.installEventFilter(self.efilter) self.timer = Timer() # shared objects self.invoices = InvoiceStore(self.config) self.contacts = Contacts(self.config) # init tray self.dark_icon = self.config.get("dark_icon", False) self.tray = QSystemTrayIcon(self.tray_icon(), None) self.tray.setToolTip('Electrum') self.tray.activated.connect(self.tray_activated) self.build_tray_menu() self.tray.show() self.app.connect(self.app, QtCore.SIGNAL('new_window'), self.start_new_window) run_hook('init_qt', self) def build_tray_menu(self): # Avoid immediate GC of old menu when window closed via its action self.old_menu = self.tray.contextMenu() m = QMenu() for window in self.windows: submenu = m.addMenu(window.wallet.basename()) submenu.addAction(_("Show/Hide"), window.show_or_hide) submenu.addAction(_("Close"), window.close) m.addAction(_("Dark/Light"), self.toggle_tray_icon) m.addSeparator() m.addAction(_("Exit Electrum"), self.close) self.tray.setContextMenu(m) def tray_icon(self): if self.dark_icon: return QIcon(':icons/electrum_dark_icon.png') else: return QIcon(':icons/electrum_light_icon.png') def toggle_tray_icon(self): self.dark_icon = not self.dark_icon self.config.set_key("dark_icon", self.dark_icon, True) self.tray.setIcon(self.tray_icon()) def tray_activated(self, reason): if reason == QSystemTrayIcon.DoubleClick: if all([w.is_hidden() for w in self.windows]): for w in self.windows: w.bring_to_top() else: for w in self.windows: w.hide() def close(self): for window in self.windows: window.close() def load_wallet_file(self, filename): try: storage = WalletStorage(filename) except Exception as e: WindowModalDialog.warning(None, _('Error'), str(e)) return if not storage.file_exists: recent = self.config.get('recently_open', []) if filename in recent: recent.remove(filename) self.config.set_key('recently_open', recent) action = 'new' else: try: wallet = Wallet(storage) except BaseException as e: traceback.print_exc(file=sys.stdout) WindowModalDialog.warning(None, _('Warning'), str(e)) return action = wallet.get_action() # run wizard if action is not None: wizard = InstallWizard(self.app, self.config, self.network, storage) wallet = wizard.run(action) # keep current wallet if not wallet: return else: wallet.start_threads(self.network) return wallet def new_window(self, path, uri=None): # Use a signal as can be called from daemon thread self.app.emit(SIGNAL('new_window'), path, uri) def start_new_window(self, path, uri): for w in self.windows: if w.wallet.storage.path == path: w.bring_to_top() break else: wallet = self.load_wallet_file(path) if not wallet: return w = ElectrumWindow(self, wallet) w.connect_slots(self.timer) # add to recently visited w.update_recently_visited(path) # initial configuration if self.config.get('hide_gui') is True and self.tray.isVisible(): w.hide() else: w.show() self.windows.append(w) self.build_tray_menu() run_hook('on_new_window', w) if uri: w.pay_to_URI(uri) return w def close_window(self, window): self.windows.remove(window) self.build_tray_menu() # save wallet path of last open window if self.config.get('wallet_path') is None and not self.windows: path = window.wallet.storage.path self.config.set_key('gui_last_wallet', path) run_hook('on_close_window', window) def main(self): self.timer.start() # open last wallet if self.config.get('wallet_path') is None: last_wallet = self.config.get('gui_last_wallet') if last_wallet is not None and os.path.exists(last_wallet): self.config.cmdline_options['default_wallet_path'] = last_wallet if not self.start_new_window(self.config.get_wallet_path(), self.config.get('url')): return signal.signal(signal.SIGINT, lambda *args: self.app.quit()) # main loop self.app.exec_() # Shut down the timer cleanly self.timer.stop() # clipboard persistence. see http://www.mail-archive.com/pyqt@riverbankcomputing.com/msg17328.html event = QtCore.QEvent(QtCore.QEvent.Clipboard) self.app.sendEvent(self.app.clipboard(), event) self.tray.hide()