c063f5f5b9
Instead of loading images in the showEvent of the MainWindow, load them in the showEvent of each widget. It seems to reduce the startup stuttering this way. With some more work we can only load the images for the widgets that are currently visible and reduce the stutter even more. At the same time, reduce the number of concurrent downloads in the image manager and add a timeout so we won't halt. The exception from the timeout is just logged at this point, and the download is not requeued.
268 lines
10 KiB
Python
268 lines
10 KiB
Python
import os
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from logging import getLogger
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from PyQt5.QtCore import Qt, QSettings, QTimer, QSize, pyqtSignal, pyqtSlot
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from PyQt5.QtGui import QCloseEvent, QCursor, QShowEvent
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from PyQt5.QtWidgets import (
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QMainWindow,
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QApplication,
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QStatusBar,
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QScrollArea,
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QScroller,
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QComboBox,
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QMessageBox,
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QLabel,
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QWidget,
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QHBoxLayout,
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)
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from rare.components.tabs import MainTabWidget
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from rare.components.tray_icon import TrayIcon
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from rare.shared import RareCore
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from rare.shared.workers.worker import QueueWorkerState
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from rare.utils.paths import lock_file
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from rare.widgets.elide_label import ElideLabel
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logger = getLogger("MainWindow")
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class MainWindow(QMainWindow):
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# int: exit code
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exit_app: pyqtSignal = pyqtSignal(int)
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def __init__(self, parent=None):
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self.__exit_code = 0
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self.__accept_close = False
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self._window_launched = False
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super(MainWindow, self).__init__(parent=parent)
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self.setAttribute(Qt.WA_DeleteOnClose, True)
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self.rcore = RareCore.instance()
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self.core = RareCore.instance().core()
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self.signals = RareCore.instance().signals()
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self.args = RareCore.instance().args()
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self.settings = QSettings()
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self.setWindowTitle("Rare - GUI for legendary")
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self.tab_widget = MainTabWidget(self)
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self.tab_widget.exit_app.connect(self.on_exit_app)
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self.setCentralWidget(self.tab_widget)
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# Set up status bar stuff (jumping through a lot of hoops)
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self.status_bar = QStatusBar(self)
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self.setStatusBar(self.status_bar)
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self.active_label = QLabel(self.tr("Active:"), self.status_bar)
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# lk: set top and botton margins to accommodate border for scroll area labels
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self.active_label.setContentsMargins(5, 1, 0, 1)
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self.status_bar.addWidget(self.active_label)
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self.active_container = QWidget(self.status_bar)
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active_layout = QHBoxLayout(self.active_container)
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active_layout.setContentsMargins(0, 0, 0, 0)
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active_layout.setSizeConstraint(QHBoxLayout.SetFixedSize)
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self.status_bar.addWidget(self.active_container, stretch=0)
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self.queued_label = QLabel(self.tr("Queued:"), self.status_bar)
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# lk: set top and botton margins to accommodate border for scroll area labels
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self.queued_label.setContentsMargins(5, 1, 0, 1)
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self.status_bar.addPermanentWidget(self.queued_label)
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self.queued_scroll = QScrollArea(self.status_bar)
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self.queued_scroll.setFrameStyle(QScrollArea.NoFrame)
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self.queued_scroll.setWidgetResizable(True)
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self.queued_scroll.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
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self.queued_scroll.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
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self.queued_scroll.setFixedHeight(self.queued_label.sizeHint().height())
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self.status_bar.addPermanentWidget(self.queued_scroll, stretch=1)
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self.queued_container = QWidget(self.queued_scroll)
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queued_layout = QHBoxLayout(self.queued_container)
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queued_layout.setContentsMargins(0, 0, 0, 0)
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queued_layout.setSizeConstraint(QHBoxLayout.SetFixedSize)
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self.active_label.setVisible(False)
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self.active_container.setVisible(False)
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self.queued_label.setVisible(False)
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self.queued_scroll.setVisible(False)
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self.signals.application.update_statusbar.connect(self.update_statusbar)
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# self.status_timer = QTimer(self)
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# self.status_timer.timeout.connect(self.update_statusbar)
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# self.status_timer.setInterval(5000)
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# self.status_timer.start()
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width, height = 1280, 720
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if self.settings.value("save_size", False, bool):
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width, height = self.settings.value("window_size", (width, height), tuple)
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self.resize(width, height)
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if not self.args.offline:
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try:
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from rare.utils.rpc import DiscordRPC
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self.rpc = DiscordRPC()
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except ModuleNotFoundError:
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logger.warning("Discord RPC module not found")
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self.timer = QTimer()
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self.timer.setInterval(1000)
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self.timer.timeout.connect(self.timer_finished)
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self.timer.start()
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self.tray_icon: TrayIcon = TrayIcon(self)
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self.tray_icon.exit_app.connect(self.on_exit_app)
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self.tray_icon.show_app.connect(self.show)
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self.tray_icon.activated.connect(lambda r: self.toggle() if r == self.tray_icon.DoubleClick else None)
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# enable kinetic scrolling
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for scroll_area in self.findChildren(QScrollArea):
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if not scroll_area.property("no_kinetic_scroll"):
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QScroller.grabGesture(scroll_area.viewport(), QScroller.LeftMouseButtonGesture)
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# fix scrolling
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for combo_box in scroll_area.findChildren(QComboBox):
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combo_box.wheelEvent = lambda e: e.ignore()
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def center_window(self):
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# get the margins of the decorated window
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margins = self.windowHandle().frameMargins()
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# get the screen the cursor is on
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current_screen = QApplication.screenAt(QCursor.pos())
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if not current_screen:
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current_screen = QApplication.primaryScreen()
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# get the available screen geometry (excludes panels/docks)
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screen_rect = current_screen.availableGeometry()
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decor_width = margins.left() + margins.right()
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decor_height = margins.top() + margins.bottom()
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window_size = QSize(self.width(), self.height()).boundedTo(
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screen_rect.size() - QSize(decor_width, decor_height)
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)
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self.resize(window_size)
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self.move(screen_rect.center() - self.rect().adjusted(0, 0, decor_width, decor_height).center())
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@pyqtSlot()
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def show(self) -> None:
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super(MainWindow, self).show()
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if not self._window_launched:
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self.center_window()
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self._window_launched = True
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def hide(self) -> None:
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if self.settings.value("save_size", False, bool):
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size = self.size().width(), self.size().height()
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self.settings.setValue("window_size", size)
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super(MainWindow, self).hide()
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def toggle(self):
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if self.isHidden():
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self.show()
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else:
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self.hide()
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@pyqtSlot()
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def update_statusbar(self):
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self.active_label.setVisible(False)
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self.active_container.setVisible(False)
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self.queued_label.setVisible(False)
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self.queued_scroll.setVisible(False)
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for label in self.active_container.findChildren(QLabel, options=Qt.FindDirectChildrenOnly):
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self.active_container.layout().removeWidget(label)
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label.deleteLater()
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for label in self.queued_container.findChildren(QLabel, options=Qt.FindDirectChildrenOnly):
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self.queued_container.layout().removeWidget(label)
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label.deleteLater()
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for info in self.rcore.queue_info():
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label = ElideLabel(info.app_title)
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label.setObjectName("QueueWorkerLabel")
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label.setToolTip(f"<b>{info.worker_type}</b>: {info.app_title}")
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label.setProperty("workerType", info.worker_type)
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label.setFixedWidth(150)
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label.setContentsMargins(3, 0, 3, 0)
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if info.state == QueueWorkerState.ACTIVE:
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self.active_container.layout().addWidget(label)
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self.active_label.setVisible(True)
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self.active_container.setVisible(True)
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elif info.state == QueueWorkerState.QUEUED:
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self.queued_container.layout().addWidget(label)
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self.queued_label.setVisible(True)
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self.queued_scroll.setVisible(True)
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def timer_finished(self):
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file_path = lock_file()
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if os.path.exists(file_path):
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file = open(file_path, "r")
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action = file.read()
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file.close()
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if action.startswith("show"):
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self.show()
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os.remove(file_path)
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self.timer.start()
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@pyqtSlot()
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@pyqtSlot(int)
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def on_exit_app(self, exit_code=0) -> None:
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self.__exit_code = exit_code
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self.close()
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def close(self) -> bool:
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self.__accept_close = True
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return super(MainWindow, self).close()
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def closeEvent(self, e: QCloseEvent) -> None:
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# lk: `accept_close` is set to `True` by the `close()` method, overrides exiting to tray in `closeEvent()`
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# lk: ensures exiting instead of hiding when `close()` is called programmatically
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if not self.__accept_close:
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if self.settings.value("sys_tray", False, bool):
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self.hide()
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e.ignore()
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return
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# FIXME: Move this to RareCore once the download manager is implemented
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if not self.args.offline:
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if self.rcore.queue_threadpool.activeThreadCount():
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reply = QMessageBox.question(
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self,
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self.tr("Quit {}?").format(QApplication.applicationName()),
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self.tr(
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"There are currently running operations. "
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"Rare cannot exit until they are completed.\n\n"
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"Do you want to clear the queue?"
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),
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buttons=(QMessageBox.Yes | QMessageBox.No),
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defaultButton=QMessageBox.No,
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)
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if reply == QMessageBox.Yes:
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self.rcore.queue_threadpool.clear()
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for qw in self.rcore.queued_workers():
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self.rcore.dequeue_worker(qw)
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self.update_statusbar()
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e.ignore()
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return
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elif self.tab_widget.downloads_tab.is_download_active:
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reply = QMessageBox.question(
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self,
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self.tr("Quit {}?").format(QApplication.applicationName()),
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self.tr(
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"There is an active download. "
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"Quitting Rare now will stop the download.\n\n"
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"Are you sure you want to quit?"
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),
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buttons=(QMessageBox.Yes | QMessageBox.No),
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defaultButton=QMessageBox.No,
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)
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if reply == QMessageBox.Yes:
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self.tab_widget.downloads_tab.stop_download(omit_queue=True)
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else:
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e.ignore()
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return
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# FIXME: End of FIXME
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self.timer.stop()
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self.tray_icon.deleteLater()
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self.hide()
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self.exit_app.emit(self.__exit_code)
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super(MainWindow, self).closeEvent(e)
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