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/*
* Copyright (c) 2020 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#include <kernel.h>
#include <logging/log.h>
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
#include <zmk/display.h>
#include <zmk/display/widgets/layer_status.h>
#include <zmk/events/layer_state_changed.h>
#include <zmk/event_manager.h>
#include <zmk/endpoints.h>
#include <zmk/keymap.h>
static sys_slist_t widgets = SYS_SLIST_STATIC_INIT(&widgets);
struct layer_status_state {
uint8_t index;
const char *label;
};
static void set_layer_symbol(lv_obj_t *label, struct layer_status_state state) {
if (state.label == NULL) {
char text[6] = {};
sprintf(text, LV_SYMBOL_KEYBOARD "%i", state.index);
lv_label_set_text(label, text);
} else {
char text[12] = {};
snprintf(text, 12, LV_SYMBOL_KEYBOARD "%s", state.label);
lv_label_set_text(label, text);
}
}
static void layer_status_update_cb(struct layer_status_state state) {
struct zmk_widget_layer_status *widget;
SYS_SLIST_FOR_EACH_CONTAINER(&widgets, widget, node) { set_layer_symbol(widget->obj, state); }
}
static struct layer_status_state layer_status_get_state(const zmk_event_t *eh) {
uint8_t index = zmk_keymap_highest_layer_active();
return (struct layer_status_state){.index = index, .label = zmk_keymap_layer_label(index)};
}
ZMK_DISPLAY_WIDGET_LISTENER(widget_layer_status, struct layer_status_state, layer_status_update_cb,
layer_status_get_state)
ZMK_SUBSCRIPTION(widget_layer_status, zmk_layer_state_changed);
int zmk_widget_layer_status_init(struct zmk_widget_layer_status *widget, lv_obj_t *parent) {
widget->obj = lv_label_create(parent, NULL);
lv_obj_set_size(widget->obj, 40, 15);
sys_slist_append(&widgets, &widget->node);
widget_layer_status_init();
return 0;
}
lv_obj_t *zmk_widget_layer_status_obj(struct zmk_widget_layer_status *widget) {
return widget->obj;
}
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