[FL-2198], [FL-2161] NFC emulation refactoring (#968)

* rfal: add state changed callback
* furi_hal_nfc: add NFC-A emulation API
* nfc: add emulation logger, refactor scenes
* elements: fix text_box element
* gui: fix text box module
* nfc: remove unnecessary buffers
* nfc: introduce emulation callback concept
* nfc: format sources
* bt settings: fix incorrect scene switch
* bt settings: format sources
* Debug: fix x2d import for python 3
* Gui: rename method name widget_clear to widget_reset
* nfc: add nfca emulation handler
* nfc: add global custom events enum
* nfc: UID emulation Data -> Log
* furi_hal_nfc: fix incorrect timings
* u2f, badusb: widget_clear() -> widget_reset()

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

applications/gui/modules/text_box.h

@@ -13,13 +13,17 @@ extern "C" {
 
 /** TextBox anonymous structure */
 typedef struct TextBox TextBox;
-typedef void (*TextBoxExitCallback)(void* context);
 
 typedef enum {
     TextBoxFontText,
     TextBoxFontHex,
 } TextBoxFont;
 
+typedef enum {
+    TextBoxFocusStart,
+    TextBoxFocusEnd,
+} TextBoxFocus;
+
 /** Allocate and initialize text_box
  *
  * @return     TextBox instance
@@ -60,19 +64,13 @@ void text_box_set_text(TextBox* text_box, const char* text);
  */
 void text_box_set_font(TextBox* text_box, TextBoxFont font);
 
-/** Set text_box context
+/** Set TextBox focus
+ * @note Use to display from start or from end
  *
  * @param      text_box  TextBox instance
- * @param      context   context pointer
+ * @param      focus     TextBoxFocus instance
  */
-void text_box_set_context(TextBox* text_box, void* context);
-
-/** Set exit callback
- *
- * @param      text_box  TextBox instance
- * @param      callback  TextBoxExitCallback callback pointer
- */
-void text_box_set_exit_callback(TextBox* text_box, TextBoxExitCallback callback);
+void text_box_set_focus(TextBox* text_box, TextBoxFocus focus);
 
 #ifdef __cplusplus
 }