def main(argv=None): # pragma: no cover
# pylint: disable=import-outside-toplevel
import sys
from AnyQt.QtWidgets import QGraphicsScene, QMenu
from AnyQt.QtGui import QBrush
app = QApplication(argv or sys.argv)
scene = QGraphicsScene()
view = GraphicsWidgetView(scene)
scene.setParent(view)
view.setContextMenuPolicy(Qt.CustomContextMenu)
def context(pos):
menu = QMenu(view)
menu.addActions(view.actions())
a = menu.addAction("Aspect mode")
am = QMenu(menu)
am.addAction("Ignore", lambda: view.setAspectMode(Qt.IgnoreAspectRatio))
am.addAction("Keep", lambda: view.setAspectMode(Qt.KeepAspectRatio))
am.addAction("Keep by expanding", lambda: view.setAspectMode(Qt.KeepAspectRatioByExpanding))
a.setMenu(am)
menu.popup(view.viewport().mapToGlobal(pos))
view.customContextMenuRequested.connect(context)
w = QGraphicsWidget()
w.setPreferredSize(500, 500)
palette = w.palette()
palette.setBrush(palette.Window, QBrush(Qt.red, Qt.BDiagPattern))
w.setPalette(palette)
w.setAutoFillBackground(True)
scene.addItem(w)
view.setCentralWidget(w)
view.show()
return app.exec()
