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feature(keymaps): Keymap layer state event, highest layer API

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* Fire an event w/ layer number, state, and timestamp
  when a layer is activated/deactivated.
* Add `zmk_keymap_highest_layer_active()` query.

Co-authored-by: KemoNine <mcrosson@kemonine.info>
This commit is contained in:
KemoNine
2020-12-09 09:35:57 -05:00
committed by GitHub
parent 4c92a4e50f
commit 2427a4ab33
5 changed files with 77 additions and 17 deletions
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28
app/include/zmk/events/layer-state-changed.h Normal file
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@@ -0,0 +1,28 @@
/*
* Copyright (c) 2020 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#pragma once
#include <zephyr.h>
#include <zmk/event-manager.h>
struct layer_state_changed {
struct zmk_event_header header;
u8_t layer;
bool state;
s64_t timestamp;
};
ZMK_EVENT_DECLARE(layer_state_changed);
static inline struct layer_state_changed *create_layer_state_changed(u8_t layer, bool state) {
struct layer_state_changed *ev = new_layer_state_changed();
ev->layer = layer;
ev->state = state;
ev->timestamp = k_uptime_get();
return ev;
}

5
app/include/zmk/keymap.h
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@@ -6,7 +6,12 @@
#pragma once
typedef u32_t zmk_keymap_layers_state;
u8_t zmk_keymap_layer_default();
zmk_keymap_layers_state zmk_keymap_layer_state();
bool zmk_keymap_layer_active(u8_t layer);
u8_t zmk_keymap_highest_layer_active();
int zmk_keymap_layer_activate(u8_t layer);
int zmk_keymap_layer_deactivate(u8_t layer);
int zmk_keymap_layer_toggle(u8_t layer);