Files
pallectrum/electrum/gui/qml/qeapp.py
Sander van Grieken 16a2d0c7fb add PT Mono bold
2022-07-07 18:28:00 +02:00

82 lines
3.1 KiB
Python

import re
from PyQt5.QtCore import pyqtSlot, QObject, QUrl, QLocale, qInstallMessageHandler
from PyQt5.QtGui import QGuiApplication, QFontDatabase
from PyQt5.QtQml import qmlRegisterType, QQmlApplicationEngine #, QQmlComponent
from electrum.logging import Logger, get_logger
from .qeconfig import QEConfig
from .qedaemon import QEDaemon, QEWalletListModel
from .qenetwork import QENetwork
from .qewallet import QEWallet
from .qeqr import QEQR, QEQRImageProvider
from .qewalletdb import QEWalletDB
from .qebitcoin import QEBitcoin
class ElectrumQmlApplication(QGuiApplication):
_config = None
_daemon = None
_singletons = {}
def __init__(self, args, config, daemon):
super().__init__(args)
self.logger = get_logger(__name__)
ElectrumQmlApplication._config = config
ElectrumQmlApplication._daemon = daemon
qmlRegisterType(QEWalletListModel, 'org.electrum', 1, 0, 'WalletListModel')
qmlRegisterType(QEWallet, 'org.electrum', 1, 0, 'Wallet')
qmlRegisterType(QEWalletDB, 'org.electrum', 1, 0, 'WalletDB')
qmlRegisterType(QEBitcoin, 'org.electrum', 1, 0, 'Bitcoin')
self.engine = QQmlApplicationEngine(parent=self)
self.engine.addImportPath('./qml')
self.qr_ip = QEQRImageProvider()
self.engine.addImageProvider('qrgen', self.qr_ip)
# add a monospace font as we can't rely on device having one
self.fixedFont = 'PT Mono'
if QFontDatabase.addApplicationFont('electrum/gui/qml/fonts/PTMono-Regular.ttf') < 0:
if QFontDatabase.addApplicationFont('electrum/gui/qml/fonts/PTMono-Bold.ttf') < 0:
self.logger.warning('Could not load font PT Mono')
self.fixedFont = 'Monospace' # hope for the best
self.context = self.engine.rootContext()
self._singletons['config'] = QEConfig(config)
self._singletons['network'] = QENetwork(daemon.network)
self._singletons['daemon'] = QEDaemon(daemon)
self._singletons['qr'] = QEQR()
self.context.setContextProperty('Config', self._singletons['config'])
self.context.setContextProperty('Network', self._singletons['network'])
self.context.setContextProperty('Daemon', self._singletons['daemon'])
self.context.setContextProperty('QR', self._singletons['qr'])
self.context.setContextProperty('FixedFont', self.fixedFont)
qInstallMessageHandler(self.message_handler)
# get notified whether root QML document loads or not
self.engine.objectCreated.connect(self.objectCreated)
_valid = True
# slot is called after loading root QML. If object is None, it has failed.
@pyqtSlot('QObject*', 'QUrl')
def objectCreated(self, object, url):
if object is None:
self._valid = False
self.engine.objectCreated.disconnect(self.objectCreated)
def message_handler(self, line, funct, file):
# filter out common harmless messages
if re.search('file:///.*TypeError: Cannot read property.*null$', file):
return
self.logger.warning(file)