Migrate TactilityC and LVGL functionality (#588)

lvgl-module

- Move and rename source and include files
- Fix bug with missing lvgl unlock
- New widgets: spinner, toolbar, sliderbox

TactilityC

- Removed tt_lock, tt_lvgl_\*

Modules/lvgl-module/source/widgets/spinner.cpp

@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: Apache-2.0
+#define LV_USE_PRIVATE_API 1 // For actual lv_obj_t declaration
+
+#include <lvgl/widgets/spinner.h>
+
+// TODO: Don't depend on asset from a different project
+#define SPINNER_ASSET "A:/system/spinner.png"
+
+static void spinner_constructor(const lv_obj_class_t* object_class, lv_obj_t* object);
+
+static const lv_obj_class_t tt_spinner_class = {
+    .base_class = &lv_image_class,
+    .constructor_cb = spinner_constructor,
+    .destructor_cb = nullptr,
+    .event_cb = nullptr,
+    .user_data = nullptr,
+    .name = "tt_spinner",
+    .width_def = 0,
+    .height_def = 0,
+    .editable = 0,
+    .group_def = 0,
+    .instance_size = 0,
+    .theme_inheritable = 0
+};
+
+lv_obj_t* lvgl_spinner_create(lv_obj_t* parent) {
+    lv_obj_t* obj = lv_obj_class_create_obj(&tt_spinner_class, parent);
+    lv_obj_class_init_obj(obj);
+
+    lv_image_set_src(obj, SPINNER_ASSET);
+
+    return obj;
+}
+
+static void anim_rotation_callback(void* var, int32_t v) {
+    auto* object = (lv_obj_t*) var;
+    auto width = lv_obj_get_width(object);
+    auto height = lv_obj_get_width(object);
+    lv_obj_set_style_transform_pivot_x(object, width / 2, 0);
+    lv_obj_set_style_transform_pivot_y(object, height / 2, 0);
+    lv_obj_set_style_transform_rotation(object, v, 0);
+}
+
+static void spinner_constructor(const lv_obj_class_t* object_class, lv_obj_t* object) {
+    lv_obj_remove_flag(object, LV_OBJ_FLAG_CLICKABLE);
+
+    lv_anim_t a;
+    lv_anim_init(&a);
+    lv_anim_set_var(&a, object);
+    lv_anim_set_values(&a, 0, 3600);
+    lv_anim_set_duration(&a, 800);
+    lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE);
+    lv_anim_set_exec_cb(&a, anim_rotation_callback);
+    lv_anim_start(&a);
+}