return spacer

if __name__ == "__main__":
	import sys
	from PyQt4.QtGui import QMainWindow

	from manager.componentsManager import Manager
	from umbra.managers.actionsManager import ActionsManager
	from umbra.managers.layoutsManager import LayoutsManager
	from umbra.preferences import Preferences

	application = umbra.ui.common.getApplicationInstance()

	mainWindow = QMainWindow()

	mainWindow.settings = Preferences()
	mainWindow.actionsManager = ActionsManager(mainWindow)
	mainWindow.layoutsManager = LayoutsManager(mainWindow)
	mainWindow.componentsManager = Manager()
	mainWindow.toggleFullScreen = lambda: sys.stdout.write("toggleFullScreen()\n")

	mainWindow.setCentralWidget(QLabel())

	application_QToolBar = Application_QToolBar(mainWindow)
	mainWindow.addToolBar(application_QToolBar)

	mainWindow.show()
	mainWindow.raise_()

	sys.exit(application.exec_())