Can qt slot return value

By Mark Zuckerberg

com.trolltech.qt.core Class Qt.ConnectionType ... the slot is invoked directly, as with Qt:: ... This function should return an integer value for the enum values of ...

foreach slot in connectedSlotsForSignal(signal): value = invoke slot with ... { QString text; emit Get(&text); return text; } signals: void Get(QString *value); void ... Qt Thread - [0] - 博客园 May 5, 2017 ... This means that all of QThread's queued slots will execute in the old ..... Note that the return value and return type of the map function are not ... cppcheck/qt.cfg at master · danmar/cppcheck · GitHub qt can call methods as strings using invokeMethod -->. . invokeMethod. . . GitHub - Shinmera/qtools: Qtools is a collection of utilities to aid ... It generates a C wrapper so that other languages can make use of Qt through C-FFI. ..... Then, it adds an initializer (with priority 10) that sets the slot-value to the .... type, which you can always set to NIL if you don't care about the return value.

9 Mar 2017 ... we can test the return value (for instance, by adding an assertion), or ... Qt automatically breaks a signal/slot connection if either the sender or ...

Qt: Signals & Slots - PUC-Rio not know if anything receives its signals, a slot does not know if it has any signals connected to it. This ensures that truly independent components can be created with Qt. A client programmer can connect as many signals as necessary to a single slot, and a signal can be connected to as many slots as needed. Better repc documentation · qt/qtremoteobjects@883e45c · GitHub \l [DOC QtCore] {Slots} {Slot} methods are created by using the SLOT keyword in the rep file. Usage is to declare \c SLOT followed by the desired signature wrapped in: parentheses. The return value can be included in the declaration. If the: return value is skipped, void will be used in the generated files. \code: SLOT(test())

Multithreading with Qt | Packt Hub

If the program hangs here, setting the same value over and over again, you have forgotten to add a check in your setValue. If the value isn't changed, the setValue slot should simply return. Try to come up with situations in a user interface where the two connection relationships are

What do I do if a slot is not invoked? - KDAB

Using C++11 Lambdas As Qt Slots. ... variables from the local scope by value. You can also capture ... signal/slot case (the focus of this post) the return type is ... QHeaderView method sectionSize returns a wrong value when ... Qt; QTBUG-74502; QHeaderView method sectionSize returns a wrong value when called from a slot connected to sectionResized