From cf8c7856ff4251c72b53d29f1b48cc266badab98 Mon Sep 17 00:00:00 2001 From: Pete Johanson Date: Thu, 30 Jul 2020 00:13:32 -0400 Subject: Add the ability to capture event and release later --- app/src/event_manager.c | 34 +++++++++++++++++++++++++++++----- 1 file changed, 29 insertions(+), 5 deletions(-) (limited to 'app/src/event_manager.c') diff --git a/app/src/event_manager.c b/app/src/event_manager.c index 567cdf0..3edba10 100644 --- a/app/src/event_manager.c +++ b/app/src/event_manager.c @@ -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); } \ No newline at end of file -- cgit v1.2.3