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/* Copyright 2003, The libsigc++ Development Team
*
* Assigned to the public domain. Use as you wish without
* restriction.
*/
#include <iostream>
#include <string>
#include <sigc++/sigc++.h>
class Something : public sigc::trackable
{
public:
Something();
protected:
virtual void on_print(int a);
typedef sigc::signal<void, int> type_signal_print;
type_signal_print signal_print;
};
Something::Something()
{
auto iter = signal_print.connect( sigc::mem_fun(*this, &Something::on_print) );
signal_print.emit(2);
//This isn't necessary - it's just to demonstrate how to disconnect:
iter->disconnect();
signal_print.emit(3); //Prove that it is no longer connected.
}
void Something::on_print(int a)
{
std::cout << "on_print recieved: " << a << std::endl;
}
int main()
{
Something something;
return 0;
}
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