def show_dialog(app):
"""
Show the main loader dialog
:param app: The parent App
"""
# defer imports so that the app works gracefully in batch modes
from .dialog import AppDialog
# Create and display the splash screen
splash_pix = QtGui.QPixmap(":/res/splash.png")
splash = QtGui.QSplashScreen(splash_pix, QtCore.Qt.WindowStaysOnTopHint)
splash.setMask(splash_pix.mask())
splash.show()
QtCore.QCoreApplication.processEvents()
# create the action manager for the Loader UI:
from .loader_action_manager import LoaderActionManager
action_manager = LoaderActionManager()
# start ui
ui_title = app.get_setting("title_name")
w = app.engine.show_dialog(ui_title, app, AppDialog, action_manager)
# attach splash screen to the main window to help GC
w.__splash_screen = splash
# hide splash screen after loader UI show
splash.finish(w.window())
# pop up help screen
if w.is_first_launch():
# wait a bit before show window
QtCore.QTimer.singleShot(1400, w.show_help_popup)
def closeEvent(self, event):
"""
Executed when the main dialog is closed.
All worker threads and other things which need a proper shutdown
need to be called here.
"""
# display exit splash screen
splash_pix = QtGui.QPixmap(":/res/exit_splash.png")
splash = QtGui.QSplashScreen(splash_pix,
QtCore.Qt.WindowStaysOnTopHint)
splash.setMask(splash_pix.mask())
splash.show()
QtCore.QCoreApplication.processEvents()
self.ep.model.destroy()
# close splash
splash.close()
# okay to close dialog
event.accept()
