Qt signal slot get sender

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Qt signal slot enum parameter. Using ENUM as signal slot parameter in c++ / qml | Qt Forum

Qt Signals and Slots - KDAB Qt Signals and Slots Olivier Go art October 2013. About Me. About Me QStyleSheetStyle Itemviews Animation Framework QtScript (porting to JSC and V8) QObject, moc ... 1 QObject::connect(const QObject *sender, const char *signal, const QObject *receiver, const char *slot, Qt::ConnectionType type) c++ - Qt: Signal main thread - Stack Overflow I can emit from this thread, but only if I connect the slot using Qt::DirectConnection. The upshot is that QObject::sender() in the SLOT will always return NULL. I wish to call deleteLater() for instance, but that can only be scheduled in a QThread. I think I need to get back to the main thread, but how can I signal the object on the main thread? Mapping Many Signals to One - Qt Documentation Qt allows us to connect multiple signals to the same signal or slot. This can be useful when we provide the user with many ways of performing the same operation. Sometimes, however, we would like the slot to behave slightly differently depending on which widget invoked it. New Signal Slot Syntax - Qt Wiki

QRunnable is destroyed by QThreadPool after it finishes. When I emit a signal from it and try to get the QRunnable object from slot using sender() it's NULL. Minimal example: // class MyRunnable :

c++ - Qt signals and slots passing data - Stack Overflow Qt signals and slots passing data. Ask Question 1. I'm In on_addPath slot you can use QObject::sender method to get the clicked button, and, assuming m_ptrLEPathList and m_ptrPBList lists are equal, ... Qt: Accessing the signals/slots of a widget generated by uitools/uiloader-1. c++ - Qt: Signal main thread - Stack Overflow

Сигналы и слоты, а также система свойств Qt, основываются на возможностях самоанализа объектов во время выполнения программы. Самоанализ означает способность перечислить методы и свойства объекта и иметь всю информацию про них, в частности...

How Qt Signals and Slots Work The Qt signals/slots and property system are based on the ability to introspect the objects at runtime. Introspection means being able to list the methods and properties of an object and have all kinds of information about them such as the type of their arguments. QtScript and QML would have hardly... Кто послал сигнал в слот? | C++ (Qt) Кто послал сигнал в слот? - русский QT форум.connect(ui->cbMember, SIGNAL(editTextChanged(const QString &)), this, SLOT(formMembersList(const QString &)))QT 4.6.2, QT Creator. как написано выше - можно смотреть QObject::sender() но!

Digia, Qt and their respective logos are trademarks of Digia Plc in Finland and/or other countriesBack in the old days, signals and slots connections were set up for compile timethis is, we stated the sender object's name, the signal we want to connect, the receiver object's name and the slot to...

Signals & Slots | Qt 4.8

Кто-нибудь может мне помочь? qt signals sender slot6,366.О отправителе сигнала: Существует не QObject называется «sender», а метод QObject * QObject:: sender() const; который возвращает указатель на отправителе сигнала.

Signals and Slots in Qt5 - Woboq As you might have seen in the previous example, the slot was just declared as public and not as slot. Qt will indeed call directly the function pointer of the slot, and will not need moc introspection anymore. (It still needs it for the signal) But what we can also do is connecting to any function or functor: Reasons for signal/slot connection with sender == receiver ...