Initial event manager work, and two first events.

* Add initial event manager implementation,
  roughly mimicking Nordic's API.
* Add `position_state_changed` and
  `keycode_state_changed` events.
* Hook up HID and keymap to new events
  instead of using behaviour global event
  crazy.

1 files changed, 26 insertions, 9 deletions

diff --git a/app/src/behaviors/behavior_hid.c b/app/src/behaviors/behavior_hid.c
index 1ac7404..b901450 100644
--- a/app/src/behaviors/behavior_hid.c
+++ b/app/src/behaviors/behavior_hid.c
@@ -13,18 +13,16 @@
 
 LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
 
+#include <zmk/event-manager.h>
+#include <zmk/events/keycode-state-changed.h>
 #include <zmk/hid.h>
 #include <zmk/endpoints.h>
 
 struct behavior_hid_config { };
 struct behavior_hid_data { };
 
-static int behavior_hid_init(struct device *dev)
-{
-	return 0;
-};
 
-static int on_keycode_pressed(struct device *dev, u8_t usage_page, u32_t keycode)
+static int behaviour_hid_keycode_pressed(u8_t usage_page, u32_t keycode)
 {
   int err;
   LOG_DBG("keycode %d", keycode);
@@ -49,7 +47,7 @@ static int on_keycode_pressed(struct device *dev, u8_t usage_page, u32_t keycode
   return zmk_endpoints_send_report(usage_page);
 }
 
-static int on_keycode_released(struct device *dev, u8_t usage_page, u32_t keycode)
+static int behaviour_hid_keycode_released(u8_t usage_page, u32_t keycode)
 {
   int err;
   LOG_DBG("keycode %d", keycode);
@@ -73,6 +71,28 @@ static int on_keycode_released(struct device *dev, u8_t usage_page, u32_t keycod
   return zmk_endpoints_send_report(usage_page);
 }
 
+
+int behavior_hid_listener(const struct zmk_event_header *eh)
+{
+  if (is_keycode_state_changed(eh)) {
+    const struct keycode_state_changed *ev = cast_keycode_state_changed(eh);
+    if (ev->state) {
+      behaviour_hid_keycode_pressed(ev->usage_page, ev->keycode);
+    } else {
+      behaviour_hid_keycode_released(ev->usage_page, ev->keycode);
+    }
+  }
+  return 0;
+}
+
+ZMK_LISTENER(behavior_hid, behavior_hid_listener);
+ZMK_SUBSCRIPTION(behavior_hid, keycode_state_changed);
+
+static int behavior_hid_init(struct device *dev)
+{
+	return 0;
+};
+
 static int on_modifiers_pressed(struct device *dev, zmk_mod_flags modifiers)
 {
   LOG_DBG("modifiers %d", modifiers);
@@ -90,13 +110,10 @@ static int on_modifiers_released(struct device *dev, zmk_mod_flags modifiers)
 }
 
 static const struct behavior_driver_api behavior_hid_driver_api = {
-  .keycode_pressed = on_keycode_pressed,
-  .keycode_released = on_keycode_released,
   .modifiers_pressed = on_modifiers_pressed,
   .modifiers_released = on_modifiers_released
 };
 
-
 static const struct behavior_hid_config behavior_hid_config = {};
 
 static struct behavior_hid_data behavior_hid_data;