109 lines
3.7 KiB
Python
109 lines
3.7 KiB
Python
import os
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import signal
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import sys
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import threading
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import traceback
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from typing import TYPE_CHECKING
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try:
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import PyQt5
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except Exception:
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sys.exit("Error: Could not import PyQt5 on Linux systems, you may try 'sudo apt-get install python3-pyqt5'")
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try:
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import PyQt5.QtQml
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except Exception:
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sys.exit("Error: Could not import PyQt5.QtQml on Linux systems, you may try 'sudo apt-get install python3-pyqt5.qtquick'")
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from PyQt5.QtCore import QLocale, QTimer
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from PyQt5.QtGui import QGuiApplication
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import PyQt5.QtCore as QtCore
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from electrum.i18n import set_language, languages
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from electrum.plugin import run_hook
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from electrum.util import (profiler)
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from electrum.logging import Logger
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if TYPE_CHECKING:
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from electrum.daemon import Daemon
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from electrum.simple_config import SimpleConfig
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from electrum.plugin import Plugins
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from .qeapp import ElectrumQmlApplication
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class ElectrumGui(Logger):
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@profiler
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def __init__(self, config: 'SimpleConfig', daemon: 'Daemon', plugins: 'Plugins'):
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set_language(config.get('language', self.get_default_language()))
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Logger.__init__(self)
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#os.environ['QML_IMPORT_TRACE'] = '1'
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#os.environ['QT_DEBUG_PLUGINS'] = '1'
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self.logger.info(f"Qml GUI starting up... Qt={QtCore.QT_VERSION_STR}, PyQt={QtCore.PYQT_VERSION_STR}")
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self.logger.info("CWD=%s" % os.getcwd())
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# Uncomment this call to verify objects are being properly
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# GC-ed when windows are closed
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#network.add_jobs([DebugMem([Abstract_Wallet, SPV, Synchronizer,
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# ElectrumWindow], interval=5)])
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QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_X11InitThreads)
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if hasattr(QtCore.Qt, "AA_ShareOpenGLContexts"):
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QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_ShareOpenGLContexts)
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if hasattr(QGuiApplication, 'setDesktopFileName'):
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QGuiApplication.setDesktopFileName('electrum.desktop')
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if hasattr(QtCore.Qt, "AA_EnableHighDpiScaling"):
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QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling)
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if "QT_QUICK_CONTROLS_STYLE" not in os.environ:
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os.environ["QT_QUICK_CONTROLS_STYLE"] = "Material"
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self.gui_thread = threading.current_thread()
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self.plugins = plugins
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self.app = ElectrumQmlApplication(sys.argv, config, daemon, plugins)
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# timer
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self.timer = QTimer(self.app)
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self.timer.setSingleShot(False)
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self.timer.setInterval(500) # msec
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self.timer.timeout.connect(lambda: None) # periodically enter python scope
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sys.excepthook = self.excepthook
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threading.excepthook = self.texcepthook
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# Initialize any QML plugins
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run_hook('init_qml', self)
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self.app.engine.load('electrum/gui/qml/components/main.qml')
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def close(self):
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self.app.quit()
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def excepthook(self, exc_type, exc_value, exc_tb):
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tb = "".join(traceback.format_exception(exc_type, exc_value, exc_tb))
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self.logger.exception(tb)
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self.app._valid = False
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self.close()
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def texcepthook(self, arg):
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tb = "".join(traceback.format_exception(arg.exc_type, arg.exc_value, arg.exc_tb))
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self.logger.exception(tb)
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self.app._valid = False
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self.close()
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def main(self):
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if not self.app._valid:
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return
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self.timer.start()
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signal.signal(signal.SIGINT, lambda *args: self.stop())
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self.logger.info('Entering main loop')
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self.app.exec_()
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def stop(self):
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self.logger.info('closing GUI')
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self.app.quit()
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def get_default_language(self):
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name = QLocale.system().name()
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return name if name in languages else 'en_UK'
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