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/*
* Copyright (c) 2020 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
#include <logging/log.h>
LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
#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);
static lv_style_t label_style;
static bool style_initialized = false;
void layer_status_init() {
if (style_initialized) {
return;
}
style_initialized = true;
lv_style_init(&label_style);
lv_style_set_text_color(&label_style, LV_STATE_DEFAULT, LV_COLOR_BLACK);
lv_style_set_text_font(&label_style, LV_STATE_DEFAULT, &lv_font_montserrat_12);
lv_style_set_text_letter_space(&label_style, LV_STATE_DEFAULT, 1);
lv_style_set_text_line_space(&label_style, LV_STATE_DEFAULT, 1);
}
void set_layer_symbol(lv_obj_t *label) {
int active_layer_index = zmk_keymap_highest_layer_active();
LOG_DBG("Layer changed to %i", active_layer_index);
const char *layer_label = zmk_keymap_layer_label(active_layer_index);
if (layer_label == NULL) {
char text[6] = {};
sprintf(text, LV_SYMBOL_KEYBOARD "%i", active_layer_index);
lv_label_set_text(label, text);
} else {
char text[12] = {};
snprintf(text, 12, LV_SYMBOL_KEYBOARD "%s", layer_label);
lv_label_set_text(label, text);
}
}
int zmk_widget_layer_status_init(struct zmk_widget_layer_status *widget, lv_obj_t *parent) {
layer_status_init();
widget->obj = lv_label_create(parent, NULL);
lv_obj_add_style(widget->obj, LV_LABEL_PART_MAIN, &label_style);
lv_obj_set_size(widget->obj, 40, 15);
set_layer_symbol(widget->obj);
sys_slist_append(&widgets, &widget->node);
return 0;
}
lv_obj_t *zmk_widget_layer_status_obj(struct zmk_widget_layer_status *widget) {
return widget->obj;
}
int layer_status_listener(const zmk_event_t *eh) {
struct zmk_widget_layer_status *widget;
SYS_SLIST_FOR_EACH_CONTAINER(&widgets, widget, node) { set_layer_symbol(widget->obj); }
return 0;
}
ZMK_LISTENER(widget_layer_status, layer_status_listener)
ZMK_SUBSCRIPTION(widget_layer_status, zmk_layer_state_changed);
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