Add setFont and setBackgroudOpacity to StaticText (#73)

radio/src/thirdparty/libopenui/src/static.cpp

@@ -75,6 +75,16 @@ void StaticText::setBackgroundColor(LcdFlags color)
   lv_obj_set_style_bg_color(lvobj, c, LV_PART_MAIN);
 }
 
+void StaticText::setBackgroudOpacity(uint32_t opa)
+{
+  lv_obj_set_style_bg_opa(lvobj,  opa, LV_PART_MAIN);
+}
+
+void StaticText::setFont(LcdFlags font)
+{
+  lv_obj_set_style_text_font(lvobj, getFont(font), 0);
+}
+
 template <>
 void DynamicNumber<uint32_t>::updateText()
 {

radio/src/thirdparty/libopenui/src/static.h

@@ -36,6 +36,9 @@ class StaticText: public Window
     const std::string& getText() const;
 
     void setBackgroundColor(LcdFlags color);
+    void setBackgroudOpacity(uint32_t opa);
+    void setFont(LcdFlags font);
+
 
   protected:
     std::string text;