1 files changed, 95 insertions, 0 deletions
diff --git a/app/src/display/widgets/output_status.c b/app/src/display/widgets/output_status.c
new file mode 100644
index 0000000..b00d3fc
--- /dev/null
+++ b/app/src/display/widgets/output_status.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2020 The ZMK Contributors
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <bluetooth/services/bas.h>
+
+#include <logging/log.h>
+LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
+
+#include <zmk/display/widgets/output_status.h>
+#include <zmk/event-manager.h>
+#include <zmk/events/usb-conn-state-changed.h>
+#include <zmk/events/ble-active-profile-changed.h>
+#include <zmk/usb.h>
+#include <zmk/ble.h>
+#include <zmk/endpoints.h>
+
+static sys_slist_t widgets = SYS_SLIST_STATIC_INIT(&widgets);
+static lv_style_t label_style;
+
+void output_status_init() {
+    if (label_style.text.font != NULL) {
+        return;
+    }
+
+    lv_style_copy(&label_style, &lv_style_plain);
+    label_style.text.color = LV_COLOR_BLACK;
+    label_style.text.font = &lv_font_roboto_16;
+    label_style.text.letter_space = 1;
+    label_style.text.line_space = 1;
+}
+
+void set_status_symbol(lv_obj_t *label) {
+    enum zmk_endpoint selected_endpoint = zmk_endpoints_selected();
+    bool active_profile_connected = zmk_ble_active_profile_is_connected();
+    bool active_profie_bonded = !zmk_ble_active_profile_is_open();
+    u8_t active_profile_index = zmk_ble_active_profile_index();
+    char text[6] = {};
+
+    switch (selected_endpoint) {
+    case ZMK_ENDPOINT_USB:
+        LOG_DBG("USB, BOY!");
+        strcat(text, LV_SYMBOL_USB "   ");
+        break;
+    case ZMK_ENDPOINT_BLE:
+        if (active_profie_bonded) {
+            if (active_profile_connected) {
+                LOG_DBG("Bonded & connected!");
+                sprintf(text, LV_SYMBOL_WIFI "%i " LV_SYMBOL_OK, active_profile_index);
+            } else {
+                LOG_DBG("Bonded but not connected!");
+                sprintf(text, LV_SYMBOL_WIFI "%i " LV_SYMBOL_CLOSE, active_profile_index);
+            }
+        } else {
+            LOG_DBG("NOT Bonded!");
+            sprintf(text, LV_SYMBOL_WIFI "%i " LV_SYMBOL_SETTINGS, active_profile_index);
+        }
+        break;
+    }
+
+    lv_label_set_text(label, text);
+}
+
+int zmk_widget_output_status_init(struct zmk_widget_output_status *widget, lv_obj_t *parent) {
+    output_status_init();
+    widget->obj = lv_label_create(parent, NULL);
+    lv_label_set_style(widget->obj, LV_LABEL_STYLE_MAIN, &label_style);
+
+    lv_obj_set_size(widget->obj, 40, 15);
+    set_status_symbol(widget->obj);
+
+    sys_slist_append(&widgets, &widget->node);
+
+    return 0;
+}
+
+lv_obj_t *zmk_widget_output_status_obj(struct zmk_widget_output_status *widget) {
+    return widget->obj;
+}
+
+int output_status_listener(const struct zmk_event_header *eh) {
+    struct zmk_widget_output_status *widget;
+    SYS_SLIST_FOR_EACH_CONTAINER(&widgets, widget, node) { set_status_symbol(widget->obj); }
+    return 0;
+}
+
+ZMK_LISTENER(widget_output_status, output_status_listener)
+#if defined(CONFIG_USB)
+ZMK_SUBSCRIPTION(widget_output_status, usb_conn_state_changed);
+#endif
+#if defined(CONFIG_ZMK_BLE)
+ZMK_SUBSCRIPTION(widget_output_status, ble_active_profile_changed);
+#endif