Qt signal slot return value

By Editor

Qt 4.1: Application Example

Qt No Such Slot Qdialog - Haifa Qt No Such Slot Qdialog, I'm not able to set the connect SIGNAL correctly! I don't slot ... When the user closes the dialog, exec() will provide a useful return value. Chapter 34. Boost.Signals - 1.63.0 - Boost C++ Libraries Signals library is an implementation of a managed signals and slots system. ... Signals allows the user to specify the manner in which multiple return values are ... c++ - Can Qt signals return a value? - Stack Overflow Boost.Signals allows various strategies of using the return values of slots to form the return value of the signal. E.g. adding them, forming a vector out of them, or ...

We establish a signal-slot connection between the QTextEdit's document object .... The caller must check the return value and stop whatever it was doing if the ...

Can Qt signals return a value? - ExceptionsHub Nov 22, 2017 · Questions: Boost.Signals allows various strategies of using the return values of slots to form the return value of the signal. E.g. adding them, forming a vector out of them, or returning the last one. The common wisdom (expressed in the Qt documentation [EDIT: as well as some answers to this question ]) is that no PyQt/Sending Python values with signals and slots - Python

Nov 22, 2017 · Questions: Boost.Signals allows various strategies of using the return values of slots to form the return value of the signal. E.g. adding them, forming a vector out of them, or returning the last one. The common wisdom (expressed in the Qt documentation [EDIT: as well as some answers to this question ]) is that no

26 Jul 2013 ... How Qt Signals and Slots Work Understanding Signals and Slot in Qt Signals and slots C++ GUI with Qt Tutorial Searches related to qt signal ... GitHub - Shinmera/qtools: Qtools is a collection of utilities to aid ... Reacting to events in Qt happens through signals and slots. ..... The last argument in the method-descriptor is the return value type, which you can always set to ... Old-style Signal and Slot Support — PyQt 4.9.4 Reference Guide The returned value is normally passed to the QtCore. ... Qt allows a signal to be connected to a slot that requires fewer arguments than the signal passes. Qt 4.1: Application Example

Bakalářská práce - Grafický Software

There are several ways to connect a signal in Qt 5. Old syntax. Qt 5 continues to support the old string-based syntax for connecting signals and slots defined in a QObject or any class that inherits from QObject (including QWidget) connect( sender, SIGNAL( valueChanged( QString, QString ) ), receiver, SLOT( updateValue( QString ) ) );