Add Blink. Refactor examples.

examples/component/input.cpp

@@ -0,0 +1,52 @@
+#include <chrono>
+#include <iostream>
+#include <thread>
+
+#include "ftxui/screen_interactive.hpp"
+#include "ftxui/component/input.hpp"
+#include "ftxui/component/component_vertical.hpp"
+#include "ftxui/util/string.hpp"
+
+using namespace ftxui::component;
+using namespace ftxui::dom;
+using namespace ftxui;
+
+class MyComponent : ComponentVertical {
+ public:
+  MyComponent(ftxui::component::Delegate* delegate)
+      : ComponentVertical(delegate),
+        input_1(delegate->NewChild()),
+        input_2(delegate->NewChild()),
+        input_3(delegate->NewChild()) {
+
+    input_1.placeholder = L"input1";
+    input_2.placeholder = L"input2";
+    input_3.placeholder = L"input3";
+    Focus(&input_1);
+  }
+
+  std::function<void()> on_enter = []() {};
+
+ private:
+  Input input_1;
+  Input input_2;
+  Input input_3;
+
+  Element Render() override {
+    return
+      frame(
+        vbox(
+          hbox(text(L" input_1 : "), input_1.Render()),
+          hbox(text(L" input_2 : "), input_2.Render()),
+          hbox(text(L" input_3 : "), input_3.Render())
+        )
+      );
+  }
+};
+
+int main(int argc, const char* argv[]) {
+  ftxui::ScreenInteractive screen(60, 5);
+  MyComponent component(screen.delegate());
+  component.on_enter = screen.ExitLoopClosure();
+  screen.Loop();
+}