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#!/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 <http://www.gnu.org/licenses/>.
import sys
import time
import datetime
import re
import threading
import os.path, json, ast, traceback
import shutil
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.util import print_error, print_msg
from electrum.plugins import run_hook
from electrum import WalletStorage, Wallet
from electrum.bitcoin import MIN_RELAY_TX_FEE
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 *
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].set_url(event.url().toEncoded())
return True
return False
class ElectrumGui:
def __init__(self, config, network, app=None):
set_language(config.get('language'))
self.network = network
self.config = config
self.windows = []
self.efilter = OpenFileEventFilter(self.windows)
if app is None:
self.app = QApplication(sys.argv)
self.app.installEventFilter(self.efilter)
def build_tray_menu(self):
m = QMenu()
m.addAction(_("Show/Hide"), self.show_or_hide)
m.addAction(_("Dark/Light"), self.toggle_tray_icon)
m.addSeparator()
m.addAction(_("Exit Electrum"), self.close)
self.tray.setContextMenu(m)
def toggle_tray_icon(self):
self.dark_icon = not self.dark_icon
self.config.set_key("dark_icon", self.dark_icon, True)
icon = QIcon(":icons/electrum_dark_icon.png") if self.dark_icon else QIcon(':icons/electrum_light_icon.png')
self.tray.setIcon(icon)
def show_or_hide(self):
self.tray_activated(QSystemTrayIcon.DoubleClick)
def tray_activated(self, reason):
if reason == QSystemTrayIcon.DoubleClick:
if self.current_window.isMinimized() or self.current_window.isHidden():
self.current_window.show()
self.current_window.raise_()
else:
self.current_window.hide()
def close(self):
self.current_window.close()
def go_full(self):
self.config.set_key('lite_mode', False, True)
self.lite_window.hide()
self.main_window.show()
self.main_window.raise_()
self.current_window = self.main_window
def go_lite(self):
self.config.set_key('lite_mode', True, True)
self.main_window.hide()
self.lite_window.show()
self.lite_window.raise_()
self.current_window = self.lite_window
def init_lite(self):
import lite_window
if not self.check_qt_version():
if self.config.get('lite_mode') is True:
msg = "Electrum was unable to load the 'Lite GUI' because it needs Qt version >= 4.7.\nChanging your config to use the 'Classic' GUI"
QMessageBox.warning(None, "Could not start Lite GUI.", msg)
self.config.set_key('lite_mode', False, True)
sys.exit(0)
self.lite_window = None
return
actuator = lite_window.MiniActuator(self.main_window)
actuator.load_theme()
self.lite_window = lite_window.MiniWindow(actuator, self.go_full, self.config)
driver = lite_window.MiniDriver(self.main_window, self.lite_window)
def check_qt_version(self):
qtVersion = qVersion()
return int(qtVersion[0]) >= 4 and int(qtVersion[2]) >= 7
def set_url(self, uri):
self.current_window.pay_from_URI(uri)
def main(self, url):
storage = WalletStorage(self.config)
if storage.file_exists:
try:
wallet = Wallet(storage)
except BaseException as e:
QMessageBox.warning(None, _('Warning'), str(e), _('OK'))
return
action = wallet.get_action()
else:
action = 'new'
if action is not None:
import installwizard
wizard = installwizard.InstallWizard(self.config, self.network, storage)
try:
wallet = wizard.run(action)
except BaseException as e:
traceback.print_exc(file=sys.stdout)
QMessageBox.information(None, _('Error'), str(e), _('OK'))
return
if not wallet:
return
else:
wallet.start_threads(self.network)
# init tray
self.dark_icon = self.config.get("dark_icon", False)
icon = QIcon(":icons/electrum_dark_icon.png") if self.dark_icon else QIcon(':icons/electrum_light_icon.png')
self.tray = QSystemTrayIcon(icon, None)
self.tray.setToolTip('Electrum')
self.tray.activated.connect(self.tray_activated)
self.build_tray_menu()
self.tray.show()
# main window
self.main_window = w = ElectrumWindow(self.config, self.network, self)
self.current_window = self.main_window
#lite window
self.init_lite()
# initial configuration
if self.config.get('hide_gui') is True and self.tray.isVisible():
self.main_window.hide()
self.lite_window.hide()
else:
if self.config.get('lite_mode') is True:
self.go_lite()
else:
self.go_full()
# plugins that need to change the GUI do it here
run_hook('init_qt', self)
w.load_wallet(wallet)
s = Timer()
s.start()
self.windows.append(w)
if url:
self.set_url(url)
w.app = self.app
w.connect_slots(s)
w.update_wallet()
signal.signal(signal.SIGINT, lambda *args: self.app.quit())
self.app.exec_()
if self.tray:
self.tray.hide()
# 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)
w.close_wallet()