mirror of
https://github.com/dingusdev/dingusppc.git
synced 2024-11-18 22:05:51 +00:00
67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
/*
|
|
DingusPPC - The Experimental PowerPC Macintosh emulator
|
|
Copyright (C) 2018-23 divingkatae and maximum
|
|
(theweirdo) spatium
|
|
|
|
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/** Poor man's signals & slots mechanism implementation. */
|
|
|
|
// Inspired by http://schneegans.github.io/tutorials/2015/09/20/signal-slot
|
|
|
|
#ifndef CORE_SIGNAL_H
|
|
#define CORE_SIGNAL_H
|
|
|
|
#include <functional>
|
|
#include <map>
|
|
|
|
template <typename... Args>
|
|
class CoreSignal {
|
|
public:
|
|
CoreSignal() = default;
|
|
~CoreSignal() = default;
|
|
|
|
// Connects a std::function type slot to the signal.
|
|
// The return value can be used to disconnect the slot.
|
|
int connect_func(std::function<void(Args...)> const& slot) const {
|
|
_slots.insert(std::make_pair(++_current_id, slot));
|
|
return _current_id;
|
|
}
|
|
|
|
// Connects a class method type slot to the signal.
|
|
// The return value can be used to disconnect the slot.
|
|
template <typename T>
|
|
int connect_method(T *inst, void (T::*func)(Args...)) {
|
|
return connect_func([=](Args... args) {
|
|
(inst->*func)(args...);
|
|
});
|
|
}
|
|
|
|
// Calls all connected slots.
|
|
void emit(Args... args) {
|
|
for (auto const& it : _slots) {
|
|
it.second(args...);
|
|
}
|
|
}
|
|
|
|
private:
|
|
mutable std::map<int, std::function<void(Args...)>> _slots;
|
|
mutable unsigned int _current_id { 0 };
|
|
};
|
|
|
|
#endif // CORE_SIGNAL_H
|