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Code Quality Rank: L5
Programming language: C++
License: GNU Lesser General Public License v3.0 only
Tags: Miscellaneous    

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README

sigslot

C++11 signal/slot implementation

Requirements

  • c++11

How to use

For a code sample, see test.cpp

class Emitter
{
    public:
        Signal<int> the_signal;

        void do_emit(int value)
        {
            the_signal.emit(value);
        }
};

The only thing required for a class to emit signals, is to declare a field of the Signal<> type. The template arguments will be the parameter types of the slots to be bound to the signal.

class Receiver: public Object
{
    public:
        void slot(int v)
        {
            cout << "Yay! " << v << endl;
        }
};

The only thing required for a class to be able to bind to signals, is for it to derive from Object. After that, every method of the object can be bound to signals.

int main(int argc, char* argv[])
{
    // Create both an emitting and receiving instance
    Emitter em;
    Receiver recv;

    // Bind the slot to the signal
    em.the_signal.bind(&Receiver::slot, &recv);

    // Emit
    em.do_emit(42);

    return EXIT_SUCCESS;
}

Here we instantiate both classes, bind the signal and emit it.

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