class TestGraphicsPixmapWidget(GuiTest):
def setUp(self) -> None:
super().setUp()
self.scene = QGraphicsScene()
self.view = QGraphicsView(self.scene)
def tearDown(self) -> None:
self.scene.clear()
self.scene.deleteLater()
self.view.deleteLater()
del self.scene
del self.view
def test_graphicspixmapwidget(self):
w = GraphicsPixmapWidget()
self.scene.addItem(w)
w.setPixmap(QPixmap(100, 100))
p = w.pixmap()
self.assertEqual(p.size(), QSize(100, 100))
self.view.grab()
w.setScaleContents(True)
w.setAspectRatioMode(Qt.KeepAspectRatio)
s = w.sizeHint(Qt.PreferredSize)
self.assertEqual(s, QSizeF(100., 100.))
s = w.sizeHint(Qt.PreferredSize, QSizeF(200., -1.))
self.assertEqual(s, QSizeF(200., 200.))
s = w.sizeHint(Qt.PreferredSize, QSizeF(-1., 200.))
self.assertEqual(s, QSizeF(200., 200.))
self.view.grab()
def test_tool_tips(self):
scene = GraphicsScene()
view = QGraphicsView(scene)
w = TextListWidget()
text = "A" * 10
w.setItems([text, text])
scene.addItem(w)
view.grab() # ensure w is laid out
wrect = view.mapFromScene(w.mapToScene(
w.contentsRect())).boundingRect()
p = QPoint(wrect.topLeft() + QPoint(5, 5))
ev = QHelpEvent(QHelpEvent.ToolTip, p, view.viewport().mapToGlobal(p))
try:
QApplication.sendEvent(view.viewport(), ev)
self.assertEqual(QToolTip.text(), text)
finally:
QToolTip.hideText()
