class BaseApplication(Preferences):
application = None
systray = None
splashscreen = None
description_icon = None
application_version = None
splashscreen_icon = None
about_message = ''
about_window = None
systemtray_icon = None
windows = {}
class GlobalInfos(Section):
main_window_states = fields.DictField()
main_window_geometries = fields.DictField()
pool_thread_size = fields.IntegerField(default=20)
def __init__(self, args: list):
super().__init__()
self.load() # load preferences
# initialize QtApplication
self.application = QtGui.QApplication(args)
self.parent = QtGui.QWidget()
global_dict[application_key] = self
# initialize thread pool executor
self.executor = QtCore.QThreadPool()
self.executor.setMaxThreadCount(self.GlobalInfos.pool_thread_size)
# set some global stuff
if self.description_icon:
self.application.setWindowIcon(get_icon(self.description_icon))
if self.verbose_name:
self.application.setApplicationName(str(self.verbose_name))
if self.application_version:
self.application.setApplicationVersion(self.application_version)
if self.systemtray_icon:
self._parent_obj = QtGui.QWidget()
self.systray = QtGui.QSystemTrayIcon(get_icon(self.systemtray_icon), self._parent_obj)
self.systray.setVisible(True)
self.systray.show()
# retrieve menu and associated actions for the whole class hierarchy
created_action_keys = set()
menu = None
for qualname in self.__class__.__mro__:
cls_name = qualname.__name__.rpartition('.')[2]
if cls_name not in registered_menus:
continue
for menu_action in registered_menu_actions[cls_name]:
if menu is None:
menu = QtGui.QMenu(self.verbose_name, self._parent_obj)
if menu_action.uid in created_action_keys: # skip overriden actions (there are already created)
continue
created_action_keys.add(menu_action.uid)
menu_action.create(self, menu)
if menu is not None:
self.systray.setContextMenu(menu)
# noinspection PyUnresolvedReferences
self.systray.activated.connect(self.systray_activated)
# noinspection PyUnresolvedReferences
self.systray.messageClicked.connect(self.systray_message_clicked)
if self.splashscreen_icon:
self.splashscreen = QtGui.QSplashScreen(self.parent, get_pixmap(self.splashscreen_icon),
QtCore.Qt.WindowStaysOnTopHint)
self.splashscreen.showMessage(_('Loading data…'))
self.splashscreen.show()
# noinspection PyUnresolvedReferences
self.application.lastWindowClosed.connect(self.save)
self.load_data()
if self.splashscreen is not None:
self.splashscreen.hide()
def exec_(self):
self.application.exec_()
self.save() # save preferences
def quit(self, *args, **kwargs):
self.application.quit(*args, **kwargs)
self.save() # save preferences
global_dict[application_key] = None
def systray_message_clicked(self):
pass
def systray_activated(self, reason):
pass
def load_data(self):
pass
def about(self):
if self.about_window is None:
from qthelpers.windows import AboutWindow
self.about_window = AboutWindow(self.about_message)
self.about_window.show()
def about(self):
if self.about_window is None:
from qthelpers.windows import AboutWindow
self.about_window = AboutWindow(self.about_message)
self.about_window.show()
