52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
#include "event.h"
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bool CreateEvent(struct Event *event)
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{
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struct Method *methods = malloc(16 * sizeof(struct Method));
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if (methods == nullptr)
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return false;
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*event = (struct Event) {
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.methods = methods,
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.len = 0,
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.capacity = 16
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};
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return true;
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}
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void FreeEvent(struct Event *event)
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{
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free(event->methods);
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}
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bool EventAdd(struct Event *event, handler callback, void *instance)
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{
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if (event->len == event->capacity) {
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usize new_size = event->capacity * 2 * sizeof(struct Method);
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struct Method *new_methods = realloc(event->methods, new_size);
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if (new_methods == nullptr)
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return false;
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event->methods = new_methods;
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event->capacity = new_size;
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}
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event->methods[event->len++] = (struct Method) {
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.callback = callback,
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.instance = instance
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};
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return true;
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}
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void EventInvoke(struct Event *event, void *state)
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{
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for (usize i = 0; i < event->len; i++) {
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struct Method *method = event->methods + i;
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method->callback(state, method->instance);
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}
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} |