Add example usage
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src/main.c
155
src/main.c
@ -1,102 +1,103 @@
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#include "event_system.h"
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#include <stdio.h>
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#define ARR_LEN(ARR) (sizeof(ARR) / sizeof(ARR[0]))
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typedef struct window_event WindowEvent;
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typedef struct keyboard_event KeyboardEvent;
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typedef struct mouse_event MouseEvent;
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void callback(void *data);
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void callback1(void *data);
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void callback2(void *data);
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void callback3(void *data);
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void callback4(void *data);
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void callback5(void *data);
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struct window_event {
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int window_width;
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int window_height;
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};
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struct keyboard_event {
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int key;
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};
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struct mouse_event {
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int x;
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int y;
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};
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enum event_ids {
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EVENT_WINDOW,
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EVENT_KEYBOARD,
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EVENT_MOUSE,
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COUNT_EVENTS,
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};
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void window_event_handler(void *data);
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void keyboard_event_handler(void *data);
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void mouse_event_handler(void *data);
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int main(void) {
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EventSystem es = es_init(16, 64);
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Event events [COUNT_EVENTS] = {0};
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EventListener listeners[COUNT_EVENTS] = {0};
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EventCallback callbacks[COUNT_EVENTS] = {window_event_handler, keyboard_event_handler, mouse_event_handler};
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for (int i = 0; i < 40; ++i) {
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Event ev = es_register_event(es);
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printf("%lu\n", ev.id);
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EventSystem es = es_init(COUNT_EVENTS, 64);
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for (int i = 0; i < COUNT_EVENTS; ++i) {
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events[i] = es_register_event(es);
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listeners[i] = es_add_event_listener(es, events[i], callbacks[i]);
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}
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printf("\n");
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WindowEvent window_event = { .window_width = 1280, .window_height = 720 };
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KeyboardEvent keyboard_event = { .key = 120 };
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MouseEvent mouse_event = { .x = 628, .y = 154 };
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unsigned int count = 6;
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printf("FROM MAIN\n");
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printf(" WIDTH: %d, HEIGHT: %d\n", window_event.window_width, window_event.window_height);
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es_emit_event(es, events[EVENT_WINDOW], (void *)&window_event);
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for (int i = 0; i < count; ++i) {
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es_deregister_event(es, (Event){ .id = (i + 1) * 2 });
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printf("FROM MAIN\n");
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printf(" KEY: %d\n", keyboard_event.key);
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es_emit_event(es, events[EVENT_KEYBOARD], (void *)&keyboard_event);
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printf("FROM MAIN\n");
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printf(" X: %d, Y: %d\n", mouse_event.x, mouse_event.y);
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es_emit_event(es, events[EVENT_MOUSE], (void *)&mouse_event);
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for (int i = 0; i < COUNT_EVENTS; ++i) {
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es_remove_event_listener(es, listeners[i]);
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es_deregister_event(es, events[i]);
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}
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for (int i = 0; i < count; ++i) {
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Event ev = es_register_event(es);
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printf("%lu\n", ev.id);
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}
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printf("\n");
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es_deregister_event(es, (Event){ .id = 10 });
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Event ev = es_register_event(es);
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for (int i = 0; i < 10; ++i) {
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EventListener listener = es_add_event_listener(es, ev, callback);
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printf("Event: %lu, ID: %lu\n", listener.event.id, listener.id);
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}
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printf("\n");
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for (int i = 5; i < 8; ++i) {
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es_remove_event_listener(es, (EventListener){ .event = ev, .id = i });
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}
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for (int i = 0; i < 3; ++i) {
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EventListener listener = es_add_event_listener(es, ev, callback);
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printf("Event: %lu, ID: %lu\n", listener.event.id, listener.id);
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}
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printf("\n");
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EventCallback callbacks[] = {callback1, callback2, callback3, callback4, callback5};
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EventListener listeners[ARR_LEN(callbacks)] = {0};
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Event ev_with_callbacks = (Event){ .id = 20 };
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for (int i = 0; i < ARR_LEN(callbacks); ++i) {
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listeners[i] = es_add_event_listener(es, ev_with_callbacks, callbacks[i]);
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}
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es_emit_event(es, ev_with_callbacks, (void *)0);
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printf("\n");
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es_remove_event_listener(es, listeners[2]);
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es_emit_event(es, ev_with_callbacks, (void *)0);
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printf("\n");
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printf("SYSTEM: %lu\n", es.id);
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es_deinit(&es);
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printf("SYSTEM: %lu\n", es.id);
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return 0;
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}
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void callback(void *data) {
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return;
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void window_event_handler(void *data) {
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if (!data) {
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return;
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}
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WindowEvent *ev = (WindowEvent *)data;
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printf("FROM CALLBACK\n");
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printf(" WIDTH: %d, HEIGHT: %d\n\n", ev->window_width, ev->window_height);
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}
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void callback1(void *data) {
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printf("Hello from callback1\n");
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void keyboard_event_handler(void *data) {
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if (!data) {
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return;
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}
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KeyboardEvent *ev = (KeyboardEvent *)data;
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printf("FROM CALLBACK\n");
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printf(" KEY: %d\n\n", ev->key);
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}
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void callback2(void *data) {
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printf("Hello from callback2\n");
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}
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void mouse_event_handler(void *data) {
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if (!data) {
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return;
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}
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void callback3(void *data) {
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printf("Hello from callback3\n");
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}
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MouseEvent *ev = (MouseEvent *)data;
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void callback4(void *data) {
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printf("Hello from callback4\n");
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}
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void callback5(void *data) {
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printf("Hello from callback5\n");
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printf("FROM CALLBACK\n");
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printf(" X: %d, Y: %d\n\n", ev->x, ev->y);
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}
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