dingusppc/core/hostevents.h

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/*
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/>.
*/
#ifndef EVENT_MANAGER_H
#define EVENT_MANAGER_H
#include <core/coresignal.h>
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#include <cinttypes>
class WindowEvent {
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public:
WindowEvent() = default;
~WindowEvent() = default;
uint16_t sub_type;
uint32_t window_id;
};
enum : uint32_t {
MOUSE_EVENT_MOTION = 1 << 0,
MOUSE_EVENT_BUTTON = 1 << 1,
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KEYBOARD_EVENT_DOWN = 1 << 0,
KEYBOARD_EVENT_UP = 1 << 1,
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};
class MouseEvent {
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public:
MouseEvent() = default;
~MouseEvent() = default;
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uint32_t flags;
uint32_t xrel;
uint32_t yrel;
uint32_t xabs;
uint32_t yabs;
uint8_t buttons_state;
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};
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class KeyboardEvent {
public:
KeyboardEvent() = default;
~KeyboardEvent() = default;
uint32_t flags;
uint32_t key;
uint16_t keys_state;
};
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class EventManager {
public:
static EventManager* get_instance() {
if (!event_manager) {
event_manager = new EventManager();
}
return event_manager;
};
void poll_events();
template <typename T>
void add_window_handler(T *inst, void (T::*func)(const WindowEvent&)) {
_window_signal.connect_method(inst, func);
}
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template <typename T>
void add_mouse_handler(T *inst, void (T::*func)(const MouseEvent&)) {
_mouse_signal.connect_method(inst, func);
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}
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template <typename T>
void add_keyboard_handler(T* inst, void (T::*func)(const KeyboardEvent&)) {
_keyboard_signal.connect_method(inst, func);
}
template <typename T>
void add_post_handler(T *inst, void (T::*func)()) {
_post_signal.connect_method(inst, func);
}
void disconnect_handlers() {
_window_signal.disconnect_all();
_mouse_signal.disconnect_all();
_keyboard_signal.disconnect_all();
_post_signal.disconnect_all();
}
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private:
static EventManager* event_manager;
EventManager() {}; // private constructor to implement a singleton
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CoreSignal<const WindowEvent&> _window_signal;
CoreSignal<const MouseEvent&> _mouse_signal;
CoreSignal<const KeyboardEvent&> _keyboard_signal;
CoreSignal<> _post_signal;
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uint64_t events_captured = 0;
uint64_t unhandled_events = 0;
uint64_t key_downs = 0;
uint64_t key_ups = 0;
uint64_t mouse_motions = 0;
uint8_t buttons_state = 0;
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};
#endif // EVENT_MANAGER_H