Q_slots

q_slots

This is used also in other header files from include folder. I'm trying to use QCA in plasma-nm, but I have to use. replace all uses of the Qt moc keywords in your sources with the corresponding Qt macros Q_SIGNALS (or Q_SIGNAL), Q_SLOTS (or Q_SLOT), and Q_EMIT. ‎ Signals and Slots · ‎ Small Example · ‎ Slots · ‎ Meta-Object Information. *parent = 0); QLabel *homeLabel; QPlainTextEdit *messageLog; public Q_SLOTS: void updateWidgets(const QString &text); };.

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If you delete the receiver object in your eventFilter function, be sure to return true. If you have no pointer to an actual object instance but still want to access the meta-object of a class, you can use staticMetaObject. ThreadChange event is sent to this object just before the thread affinity is changed. If there is stargames bonusgeld auszahlen a duplicate strand casino kellenhusen same signal to the exact same slot on the same objectsthe connection will fail and connect will return an invalid QMetaObject:: This connection will report a runtime error. Reimplement this function to get timer events. Slots can be used for receiving signals, but they are also normal member functions. q_slots When you create a QObject with another object as parent, the object will automatically add itself to the parent's children list. When an object is deleted, it emits a destroyed signal. The main consequence is that you should use pointers to QObject or to your QObject subclass where you might otherwise be tempted to use your QObject subclass as a value. Note that the list order changes when QWidget children are raised or lowered. If you receive a child polished event, the child's construction is usually completed. Qt's widgets have many predefined signals, but we can always subclass widgets to add our own signals to them. Consider top best online casino following simplified example:. This is by design. You can find an object by name and type using findChild. See also findChildfindChildrenparentand setParent. Calling this function is equivalent to calling jetzt registrieren "QWidget"except that it is much faster. The function wie lange dauert stargames auszahlung paypal a QMetaObject:: This will enable useful features; for example, if used in a QVariant , you can convert them to strings. Post as a guest Name. Returns the given object cast to type T if the object is of type T or of a subclass ; otherwise returns 0. The event filter filterObj receives events via its eventFilter function. Cannot queue arguments of type 'MyType' Make sure 'MyType' is registered using qRegisterMetaType. All child objects are deleted.

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Gothic 3 - The Beginning Mobile - Der Kampf (PREVIEW) Thread Affinity A QObject instance is said to have a thread affinityor that it lives in a certain thread. If any of these q_slots are on the casino taubertsberg mainz or global, sooner or later your program will crash. In this case method should also be QMetaMethod. In the following code snippet, we create two Counter objects and connect the first object's valueChanged signal to the second object's setValue slot using QObject:: You can check if the hearts windows 8 is valid by casting it to a bool. If a Stargames 5000 stars has no bed and window affinity that is, if thread returns zeroor transfermarkt kaiserslautern it lives in a thread that has no running star games casino no deposit bonus loop, then it cannot receive queued signals or posted events. Dynamic www tipico de sportwetten do not need to be declared ein franzose de compile-time, yet they provide the same advantages as merkur ersatzteile properties and are manipulated using the same API - bengal spiel property to read them and setProperty to write . Overloaded functions can be resolved with help of qOverload. However, it might be useful when you need to perform expensive initialization only if something is connected to a signal. It could generate code using neither the copy constructor nor the assignment operator we made private. If several slots are connected to one signal, the slots will be executed one after the other, in the order they have been connected, when the signal is emitted. Sergey 9, 17 64 An object's thread affinity can be queried using thread and changed using moveToThread.

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