electrum-bitcoinprivate/gui/qt/__init__.py

295 lines
11 KiB
Python

#!/usr/bin/env python
#
# Electrum - lightweight bitcoinprivate client
# Copyright (C) 2012 thomasv@gitorious
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation files
# (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge,
# publish, distribute, sublicense, and/or sell copies of the Software,
# and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import signal
import sys
import traceback
try:
import PyQt5
except Exception:
sys.exit("Error: Could not import PyQt5 on Linux systems, you may try 'sudo apt-get install python3-pyqt5'")
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
import PyQt5.QtCore as QtCore
from electrum_bitcoinprivate.i18n import _, set_language
from electrum_bitcoinprivate.plugins import run_hook
from electrum_bitcoinprivate import WalletStorage
# from electrum_bitcoinprivate.synchronizer import Synchronizer
# from electrum_bitcoinprivate.verifier import SPV
# from electrum_bitcoinprivate.util import DebugMem
from electrum_bitcoinprivate.util import (UserCancelled, print_error,
WalletFileException, BitcoinException)
# from electrum_bitcoinprivate.wallet import Abstract_Wallet
from .installwizard import InstallWizard, GoBack
try:
from . import icons_rc
except Exception as e:
print(e)
print("Error: Could not find icons file.")
print("Please run 'pyrcc5 icons.qrc -o gui/qt/icons_rc.py', and reinstall Electrum-bitcoinprivate")
sys.exit(1)
from .util import * # * needed for plugins
from .main_window import ElectrumWindow
from .network_dialog import NetworkDialog
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 QElectrumApplication(QApplication):
new_window_signal = pyqtSignal(str, object)
class QNetworkUpdatedSignalObject(QObject):
network_updated_signal = pyqtSignal(str, object)
class ElectrumGui:
def __init__(self, config, daemon, 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)])
QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_X11InitThreads)
if hasattr(QtCore.Qt, "AA_ShareOpenGLContexts"):
QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_ShareOpenGLContexts)
if hasattr(QGuiApplication, 'setDesktopFileName'):
QGuiApplication.setDesktopFileName('electrum-bitcoinprivate.desktop')
self.config = config
self.daemon = daemon
self.plugins = plugins
self.windows = []
self.efilter = OpenFileEventFilter(self.windows)
self.app = QElectrumApplication(sys.argv)
self.app.installEventFilter(self.efilter)
self.timer = Timer()
self.nd = None
self.network_updated_signal_obj = QNetworkUpdatedSignalObject()
# init tray
self.dark_icon = self.config.get("dark_icon", False)
self.tray = QSystemTrayIcon(self.tray_icon(), None)
self.tray.setToolTip('Electrum-bitcoinprivate')
self.tray.activated.connect(self.tray_activated)
self.build_tray_menu()
self.tray.show()
self.app.new_window_signal.connect(self.start_new_window)
run_hook('init_qt', self)
ColorScheme.update_from_widget(QWidget())
def build_tray_menu(self):
# Avoid immediate GC of old menu when window closed via its action
if self.tray.contextMenu() is None:
m = QMenu()
self.tray.setContextMenu(m)
else:
m = self.tray.contextMenu()
m.clear()
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-bitcoinprivate"), self.close)
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 new_window(self, path, uri=None):
# Use a signal as can be called from daemon thread
self.app.new_window_signal.emit(path, uri)
def show_network_dialog(self, parent):
if not self.daemon.network:
parent.show_warning(_('You are using Electrum-bitcoinprivate in offline mode; restart Electrum-bitcoinprivate if you want to get connected'), title=_('Offline'))
return
if self.nd:
self.nd.on_update()
self.nd.show()
self.nd.raise_()
return
self.nd = NetworkDialog(self.daemon.network, self.config,
self.network_updated_signal_obj)
self.nd.show()
def create_window_for_wallet(self, wallet):
w = ElectrumWindow(self, wallet)
self.windows.append(w)
self.build_tray_menu()
# FIXME: Remove in favour of the load_wallet hook
run_hook('on_new_window', w)
return w
def start_new_window(self, path, uri):
'''Raises the window for the wallet if it is open. Otherwise
opens the wallet and creates a new window for it'''
try:
wallet = self.daemon.load_wallet(path, None)
except BaseException as e:
traceback.print_exc(file=sys.stdout)
d = QMessageBox(QMessageBox.Warning, _('Error'),
_('Cannot load wallet') + ' (1):\n' + str(e))
d.exec_()
return
if not wallet:
storage = WalletStorage(path, manual_upgrades=True)
wizard = InstallWizard(self.config, self.app, self.plugins, storage)
try:
wallet = wizard.run_and_get_wallet(self.daemon.get_wallet)
except UserCancelled:
pass
except GoBack as e:
print_error('[start_new_window] Exception caught (GoBack)', e)
except (WalletFileException, BitcoinException) as e:
traceback.print_exc(file=sys.stderr)
d = QMessageBox(QMessageBox.Warning, _('Error'),
_('Cannot load wallet') + ' (2):\n' + str(e))
d.exec_()
return
finally:
wizard.terminate()
if not wallet:
return
if not self.daemon.get_wallet(wallet.storage.path):
# wallet was not in memory
wallet.start_threads(self.daemon.network)
self.daemon.add_wallet(wallet)
try:
for w in self.windows:
if w.wallet.storage.path == wallet.storage.path:
w.bring_to_top()
return
w = self.create_window_for_wallet(wallet)
except BaseException as e:
traceback.print_exc(file=sys.stdout)
d = QMessageBox(QMessageBox.Warning, _('Error'),
_('Cannot create window for wallet') + ':\n' + str(e))
d.exec_()
return
if uri:
w.pay_to_URI(uri)
w.bring_to_top()
w.setWindowState(w.windowState() & ~QtCore.Qt.WindowMinimized | QtCore.Qt.WindowActive)
# this will activate the window
w.activateWindow()
return w
def close_window(self, window):
self.windows.remove(window)
self.build_tray_menu()
# save wallet path of last open window
if not self.windows:
self.config.save_last_wallet(window.wallet)
run_hook('on_close_window', window)
def init_network(self):
# Show network dialog if config does not exist
if self.daemon.network:
if self.config.get('auto_connect') is None:
wizard = InstallWizard(self.config, self.app, self.plugins, None)
wizard.init_network(self.daemon.network)
wizard.terminate()
def main(self):
try:
self.init_network()
except UserCancelled:
return
except GoBack:
return
except BaseException as e:
traceback.print_exc(file=sys.stdout)
return
self.timer.start()
self.config.open_last_wallet()
path = self.config.get_wallet_path()
if not self.start_new_window(path, self.config.get('url')):
return
signal.signal(signal.SIGINT, lambda *args: self.app.quit())
def quit_after_last_window():
# on some platforms, not only does exec_ not return but not even
# aboutToQuit is emitted (but following this, it should be emitted)
if self.app.quitOnLastWindowClosed():
self.app.quit()
self.app.lastWindowClosed.connect(quit_after_last_window)
def clean_up():
# 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()
self.app.aboutToQuit.connect(clean_up)
# main loop
self.app.exec_()
# on some platforms the exec_ call may not return, so use clean_up()