Bad BT plugin, Submenu locked elements, API updates, etc.

Thanks to WillyJL, ClaraCrazy, and XFW contributors

applications/external/bad_bt/views/bad_bt_view.h

@@ -0,0 +1,29 @@
+#pragma once
+
+#include <gui/view.h>
+
+typedef void (*BadBtButtonCallback)(InputKey key, void* context);
+
+typedef struct {
+    View* view;
+    BadBtButtonCallback callback;
+    void* context;
+} BadBt;
+
+typedef struct BadBtState BadBtState;
+
+BadBt* bad_bt_alloc();
+
+void bad_bt_free(BadBt* bad_bt);
+
+View* bad_bt_get_view(BadBt* bad_bt);
+
+void bad_bt_set_button_callback(BadBt* bad_bt, BadBtButtonCallback callback, void* context);
+
+void bad_bt_set_file_name(BadBt* bad_bt, const char* name);
+
+void bad_bt_set_layout(BadBt* bad_bt, const char* layout);
+
+void bad_bt_set_state(BadBt* bad_bt, BadBtState* st);
+
+bool bad_bt_is_idle_state(BadBt* bad_bt);