绑定右键单击Qt应用程序

Question

我有以下代码，当我按“ U”键时会更改点的可见性，我想更改可见性（我按“ Qt :: RightClick”将“ Qt :: Key_u”更改为“ Qt :: Key_u”）右键单击”，但没有用。

  QShortcut *keyModifyVisibility = new QShortcut(this);
  keyModifyVisibility->setWhatsThis(tr("Modify current visibility"));
  keyModifyVisibility->setKey(Qt::Key_U);
  connect(keyModifyVisibility, SIGNAL(activated()), this, 
  SLOT(ModifyVisibility()));