Various improvements and fixes (#131)

- Added a custom spinner using the Tactility logo
- Fix for crash in version logging
- Make file browsing less verbose in log
- Fix memory leak in FileUtils
- Fix bug when display brightness was set to 255: after reboot it would be set to 0
- Smaller boot logo (removed empty space)

Tactility/Source/lvgl/Spinner.cpp

@@ -0,0 +1,53 @@
+#define LV_USE_PRIVATE_API 1 // For actual lv_obj_t declaration
+
+#include "lvgl.h"
+#include "CoreDefines.h"
+#include "Log.h"
+
+static void tt_spinner_constructor(const lv_obj_class_t* object_class, lv_obj_t* object);
+
+const lv_obj_class_t tt_spinner_class = {
+    .base_class = &lv_image_class,
+    .constructor_cb = tt_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* tt_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, "A:/assets/spinner.png");
+
+    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 tt_spinner_constructor(TT_UNUSED 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);
+}

Tactility/Source/lvgl/Spinner.h

@@ -0,0 +1,8 @@
+#include "lvgl.h"
+
+/**
+ * Create the Tactility spinner widget
+ * @param parent pointer to an object, it will be the parent of the new spinner.
+ * @return the created spinner
+ */
+lv_obj_t* tt_spinner_create(lv_obj_t* parent);

Tactility/Source/lvgl/Toolbar.cpp

@@ -1,10 +1,10 @@
 #define LV_USE_PRIVATE_API 1 // For actual lv_obj_t declaration
 #include "Toolbar.h"
-#include "Tactility.h"
 
 #include "service/loader/Loader.h"
 #include "lvgl/Spacer.h"
 #include "lvgl/Style.h"
+#include "Spinner.h"
 
 #define SPINNER_HEIGHT TOOLBAR_HEIGHT
 
@@ -90,6 +90,7 @@ lv_obj_t* toolbar_create(lv_obj_t* parent, const std::string& title) {
     lv_obj_set_flex_flow(toolbar->action_container, LV_FLEX_FLOW_ROW);
     lv_obj_set_style_pad_all(toolbar->action_container, 0, 0);
     lv_obj_set_style_border_width(toolbar->action_container, 0, 0);
+    lv_obj_set_flex_align(toolbar->action_container, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_START);
 
     toolbar_set_nav_action(obj, LV_SYMBOL_CLOSE, &stop_app, nullptr);
 
@@ -137,11 +138,7 @@ lv_obj_t* toolbar_add_switch_action(lv_obj_t* obj) {
 
 lv_obj_t* toolbar_add_spinner_action(lv_obj_t* obj) {
     auto* toolbar = (Toolbar*)obj;
-    lv_obj_t* widget = lv_spinner_create(toolbar->action_container);
-    lv_obj_set_size(widget, SPINNER_HEIGHT, SPINNER_HEIGHT);
-    lv_spinner_set_anim_params(widget, 1000, 60);
-    lv_obj_set_style_pad_all(widget, 4, 0);
-    return widget;
+    return tt_spinner_create(toolbar->action_container);
 }
 
 } // namespace