Jun 5, 2014 ... On the #pyqt channel on Freenode, Khertan asked about sending Python values via Qt's signals and slots mechanism. The following example ... How to Expose a Qt C++ Class with Signals and Slots to QML - Felgo In contrast to the previous example, our new class also uses a return value for the increment slot. No further adjustments are required to receive the return value ... Qt Internals & Reversing - NTCore
Qt 4.1: Signals and Slots
Using QML Bindings in C++ Applications | Qt 4.8 Notice the Q_RETURN_ARG() and Q_ARG() arguments for QMetaObject::invokeMethod() must be specified as QVariant types, as this is the generic data type used for QML functions and return values. To call a C++ function from QML, the function must be either a Qt slot, or a function marked with the Q_INVOKABLE macro, to be PyQt slot return value - forum.qt.io Reply to PyQt slot return value on Mon, 26 Jan 2015 01:55:18 GMT @pyqtSlot( result = str ) is only for the C++ declaration. you can not use the return value with an emit Event.
Qt Internals & Reversing - ntcore.com
Qt: meaning of slot return value? - Stack Overflow Looking through the Qt source it seems that when a slot is called from QMetaObject::invokeMethod the return type can be specified and the ... Signals & Slots | Qt Core 5.12.3 - Qt Documentation
PythonQt: PythonQtSlotInfo Class Reference
Qt Slots 57 - playonlinetopcasino.loan Qt Slots 57. qt slots 57 In the last episode of this blog series we learned about the overall concepts of input methods in Qt, with a look behind the scenes to see how a key press event from the native windowing system travels through the Qt input stack until it appears on screen inside a QLineEdit. Qt 4.8: The QtWebKit Bridge In addition, it is also possible to define a method that is invokable from scripts, although the method is neither a signal nor a slot. This is especially useful for functions with return types, as slots normally do not return anything (it would be meaningless to return a value from a slot, as the connected signals cannot handle return values). Passing extra arguments to Qt slots - Eli Bendersky's website
Using C++11 Lambdas As Qt Slots – asmaloney.com
Signals & Slots — Qt for Python An overview of Qt’s signals and slots inter-object communication mechanism. Signals and slots are used for communication between objects. The signals and slots mechanism is a central feature of Qt and probably the part that differs most from the features provided by other frameworks. How to Expose a Qt C++ Class with Signals and Slots to QML In contrast to the previous example, our new class also uses a return value for the increment slot. No further adjustments are required to receive the return value in QML. Qt automatically maps basic C++ types to QML types for all method parameters and return values. PyQt/Sending Python values with signals and slots - Python
Using C++11 Lambdas As Qt Slots – asmaloney.com Mar 13, 2016 ... I still work on it, keeping up-to-date with Qt and C++ as much as possible, and .... The one we'll use here is [=] which says to capture all variables from the local scope by value. ... We leave out the return type so void is inferred. How C++ lambda expressions can improve your Qt code - Medium Jan 25, 2017 ... How C++ lambda expressions can improve your Qt code ... for(int value : vect) { std::cout << value << std::endl; } return 0; } .... public slots: Qt 4.8: Signals & Slots Qt's signals and slots mechanism ensures that if you connect a signal to a slot, the slot ... int value() const { return m_value; } public slots: void setValue(int value ); ...