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03-member-arguments/main.cpp

An example of how to connect a member function with arguments to a KDBindings::Signal.

The output of this example is: 

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Bob received: Have a nice day!
Alice received: Thank you!

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/*
  This file is part of KDBindings.

  SPDX-FileCopyrightText: 2021 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
  Author: Sean Harmer <sean.harmer@kdab.com>

  SPDX-License-Identifier: MIT

  Contact KDAB at <info@kdab.com> for commercial licensing options.
*/

#include <kdbindings/signal.h>

#include <iostream>
#include <string>

using namespace KDBindings;

class Person
{
public:
    Person(std::string const &name)
        : m_name(name)
    {
    }

    Signal<std::string const &> speak;

    void listen(std::string const &message)
    {
        std::cout << m_name << " received: " << message << std::endl;
    }

private:
    std::string m_name;
};

int main()
{
    Person alice("Alice");
    Person bob("Bob");

    alice.speak.connect(&Person::listen, &bob);
    bob.speak.connect(&Person::listen, &alice);

    alice.speak.emit("Have a nice day!");
    bob.speak.emit("Thank you!");

    return 0;
}

Filename: 03-member-arguments/main.cpp

Updated on 2024-07-13 at 00:00:32 +0000