Add dom::blink and component::Input

ftxui/include/ftxui/README.md

@@ -28,4 +28,4 @@
     * mouse
     * terminal event
 
-  You can make implement your own.
+  Implement your own!

ftxui/include/ftxui/component/input.hpp

@@ -14,8 +14,8 @@ class Input : public Component {
   ~Input() override;
 
   // State.
-  std::wstring content = L"input";
-  std::wstring placeholder = L"placeholder";
+  std::wstring content;
+  std::wstring placeholder;
 
   // State update callback.
   std::function<void()> on_change = [](){};

ftxui/include/ftxui/dom/elements.hpp

@@ -28,6 +28,7 @@ Element bold(Element);
 Element dim(Element);
 Element inverted(Element);
 Element underlined(Element);
+Element blink(Element);
 Element color(Color, Element);
 Element bgcolor(Color, Element);
 
@@ -37,6 +38,9 @@ Element vcenter(Element);
 Element center(Element);
 Element flex(Element);
 
+// --- Util ---
+Element nothing(Element element);
+
 template <class... Args>
 Children unpack(Args... args) {
   Children vec;

ftxui/include/ftxui/event.hpp

@@ -9,7 +9,7 @@ namespace ftxui {
 struct Event{
  public:
   // --- Character ---
-  static Event Character(char);
+  static Event Character(int);
 
   // --- Arrow ---
   static Event ArrowLeft;
@@ -27,7 +27,7 @@ struct Event{
   bool operator==(const Event& other) { return values == other.values; }
 
   // Internal representation.
-  std::array<char, 5> values = {0, 0, 0, 0, 0};
+  std::array<int, 5> values = {0, 0, 0, 0, 0};
 };
 
 

ftxui/include/ftxui/screen.hpp

@@ -14,10 +14,11 @@ namespace dom {
 
 struct Pixel {
   wchar_t character = U' ';
+  bool blink = false;
   bool bold = false;
+  bool dim = false;
   bool inverted = false;
   bool underlined = false;
-  bool dim = false;
   Color background_color = Color::Default;
   Color foreground_color = Color::Default;
 };