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Add the ability to capture event and release later

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This commit is contained in:
Pete Johanson
2020-07-30 00:13:32 -04:00
parent 2f1c3dd538
commit cf8c7856ff
2 changed files with 40 additions and 8 deletions
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34
app/src/event_manager.c
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@@ -17,16 +17,30 @@ extern struct zmk_event_type* __event_type_end[];
extern struct zmk_event_subscription __event_subscriptions_start[];
extern struct zmk_event_subscription __event_subscriptions_end[];
int zmk_event_manager_raise(struct zmk_event_header *event)
int zmk_event_manager_handle_from(struct zmk_event_header *event, u8_t start_index)
{
int ret;
struct zmk_event_subscription *ev_sub;
for (ev_sub = __event_subscriptions_start; ev_sub != __event_subscriptions_end; ev_sub++) {
int ret = 0;
u8_t len = __event_subscriptions_end - __event_subscriptions_start;
for (int i = start_index + 1; i < len; i++) {
struct zmk_event_subscription *ev_sub = __event_subscriptions_start + i;
if (ev_sub->event_type == event->event) {
ret = ev_sub->listener->callback(event);
if (ret) {
if (ret < 0) {
LOG_DBG("Listener returned an error: %d", ret);
goto release;
} else if (ret > 0) {
switch (ret) {
case ZMK_EV_EVENT_HANDLED:
LOG_DBG("Listener handled the event");
ret = 0;
goto release;
case ZMK_EV_EVENT_CAPTURED:
LOG_DBG("Listener captured the event");
event->last_listener_index = i;
// Listeners are expected to free events they capture
return 0;
}
}
}
}
@@ -34,4 +48,14 @@ int zmk_event_manager_raise(struct zmk_event_header *event)
release:
k_free(event);
return ret;
}
int zmk_event_manager_raise(struct zmk_event_header *event)
{
return zmk_event_manager_handle_from(event, 0);
}
int zmk_event_manager_release(struct zmk_event_header *event)
{
return zmk_event_manager_handle_from(event, event->last_listener_index + 1);
}