handle mouse events

Signed-off-by: Peter Siegmund <developer@mars3142.org>

components/justus/include/common/ScrollBar.h

@@ -3,13 +3,14 @@
 #include "MenuOptions.h"
 #include "Widget.h"
 
-class ScrollBar final : public Widget {
-public:
+class ScrollBar final : public Widget
+{
+  public:
     ScrollBar(const menu_options_t *options, size_t x, size_t y, size_t width, size_t height);
     void render() override;
     void refresh(size_t value, size_t max, size_t min = 0);
 
-private:
+  private:
     size_t m_x;
     size_t m_y;
     size_t m_width;