mirror of
https://github.com/dingusdev/dingusppc.git
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95 lines
2.4 KiB
C++
95 lines
2.4 KiB
C++
/*
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DingusPPC - The Experimental PowerPC Macintosh emulator
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Copyright (C) 2018-23 divingkatae and maximum
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(theweirdo) spatium
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(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef EVENT_MANAGER_H
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#define EVENT_MANAGER_H
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#include <cinttypes>
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#include <functional>
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#include <list>
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#include <map>
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#include <utility>
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enum EventType : uint16_t {
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EVENT_UNKNOWN = 0,
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EVENT_WINDOW = 100,
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EVENT_KEYBOARD = 200,
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EVENT_MOUSE = 300,
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};
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class BaseEvent {
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public:
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BaseEvent(EventType type) { this->type = type; };
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EventType type;
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};
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class WindowEvent : public BaseEvent {
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public:
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WindowEvent() : BaseEvent(EventType::EVENT_WINDOW) {};
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uint16_t sub_type;
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uint32_t window_id;
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};
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class EventManager {
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public:
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static EventManager* get_instance() {
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if (!event_manager) {
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event_manager = new EventManager();
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}
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return event_manager;
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};
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using EventHandler = std::function<void(const BaseEvent&)>;
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void poll_events();
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void register_handler(const EventType event_type, EventHandler&& eh) {
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this->_handlers[event_type].emplace_back(std::move(eh));
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};
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void post_event(const BaseEvent& event) {
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auto type = event.type;
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if( _handlers.find(type) == _handlers.end() )
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return;
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auto&& handlers = _handlers.at(type);
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for(auto&& handler : handlers)
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handler(event);
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}
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private:
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static EventManager* event_manager;
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EventManager() {}; // private constructor to implement a singleton
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std::map<EventType, std::list<EventHandler>> _handlers;
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uint64_t events_captured = 0;
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uint64_t unhandled_events = 0;
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uint64_t key_downs = 0;
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uint64_t key_ups = 0;
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uint64_t mouse_motions = 0;
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};
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#endif // EVENT_MANAGER_H
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