Fix clang-tidy. (#469)

src/ftxui/component/component_options.cpp

@@ -164,7 +164,11 @@ ButtonOption ButtonOption::Animated(Color color) {
 /// @brief Create a ButtonOption, using animated colors.
 // static
 ButtonOption ButtonOption::Animated(Color background, Color foreground) {
-  return ButtonOption::Animated(background, foreground, foreground, background);
+  return ButtonOption::Animated(
+      /*bakground=*/background,
+      /*foreground=*/foreground,
+      /*background_active=*/foreground,
+      /*foreground_active=*/background);
 }
 
 /// @brief Create a ButtonOption, using animated colors.

src/ftxui/component/modal.cpp

@@ -19,7 +19,6 @@ Component Modal(Component main, Component modal, const bool* show_modal) {
         : main_(std::move(main)),
           modal_(std::move(modal)),
           show_modal_(show_modal) {
-      selector_ = *show_modal_;
       Add(Container::Tab({main_, modal_}, &selector_));
     }
 
@@ -44,7 +43,7 @@ Component Modal(Component main, Component modal, const bool* show_modal) {
     Component main_;
     Component modal_;
     const bool* show_modal_;
-    int selector_ = 0;
+    int selector_ = *show_modal_;
   };
   return Make<Impl>(main, modal, show_modal);
 }

src/ftxui/component/radiobox.cpp

@@ -28,7 +28,6 @@ class RadioboxBase : public ComponentBase {
                int* selected,
                Ref<RadioboxOption> option)
       : entries_(entries), selected_(selected), option_(std::move(option)) {
-    hovered_ = *selected_;
   }
 
  private:
@@ -175,7 +174,7 @@ class RadioboxBase : public ComponentBase {
 
   ConstStringListRef entries_;
   int* selected_;
-  int hovered_;
+  int hovered_ = *selected_;
   std::vector<Box> boxes_;
   Box box_;
   Ref<RadioboxOption> option_;