*/ QWidget::~QWidget() { Q_D(QWidget); d->data.in_destructor = true; #if defined (QT_CHECK_STATE) if (paintingActive()) qWarning("QWidget: %s (%s) deleted while being painted", className(), name()); #endif #ifndef QT_NO_GESTURES foreach (Qt::GestureType type, d->gestureCo...
当你在使用Qt框架时遇到错误 "class contains q_object macro but does not inherit from qobject",这通常意味着你的类虽然包含了Q_OBJECT宏,但并未从QObject或其子类继承。这个宏是Qt元对象系统的一部分,它允许对象进行信号和槽的通信、属性系统、动态类型信息等功能,但仅当类继承自QObject时才有效。 下面是一...
mWarning("MApplicationExtensionLoader") <<"Application extension"<< metadata.fileName() <<"could not be instantiated. The extension does not inherit"<< metadata.interface(); }deleteobject; }else{ mWarning("MApplicationExtensionLoader") <<"Application extension"<< metadata.fileName() <<"could not...
You can find an object by name (and type) using findChild(). You can find a set of objects with findChildren().qDebug("MyClass::setPrecision(): (%s) invalid precision %f", qPrintable(objectName()), newPrecision);Access functions:...
}// Cannot use constData here as the byte array is not null-terminated.returnerrorf("object does not expose a \"%s\" signal", qsignal.data()); } 开发者ID:skidder,项目名称:canon-intervalometer,代码行数:27,代码来源:capi.cpp 示例2: contextProperty ...
Qt 5.2.1 with the support for LSE framebuffer. Contribute to mburakov/qt5 development by creating an account on GitHub.
Probably? Mostly because that uses a QTimer (which does not create any extra threads AFAIK). But like you mentioned qthrottled is a little riskier/harder to use than @ensure_main_thread in terms of dependencies and future compatibility. Again, not sure if this is actually the fix, but it...
好吧，因为你的代码有几个部分没有工作，我重写了重要的部分，以实现你想要的。请注意，我使用PySide...
objectName:QString This property holds the name of this object. You can find an object by name (and type) usingfindChild(). You can find a set of objects withfindChildren(). qDebug("MyClass::setPrecision(): (%s) invalid precision %f",qPrintable(objectName()),newPrecision); ...
On an MQOPEN or MQPUT1 call, the ObjectQMgrName field in the object descriptor MQOD does not satisfy the naming rules for objects. For more information, see ObjectQMgrName (MQCHAR48). This reason also occurs if the ObjectType field in the object descriptor has the value MQOT_Q_MGR,...