Animation (#355)

examples/component/button_animated.cpp

@@ -0,0 +1,46 @@
+#include <memory>  // for shared_ptr, __shared_ptr_access
+#include <string>  // for operator+, to_string
+
+#include "ftxui/component/captured_mouse.hpp"  // for ftxui
+#include "ftxui/component/component.hpp"  // for Button, Horizontal, Renderer
+#include "ftxui/component/component_base.hpp"      // for ComponentBase
+#include "ftxui/component/component_options.hpp"   // for ButtonOption
+#include "ftxui/component/screen_interactive.hpp"  // for ScreenInteractive
+#include "ftxui/dom/elements.hpp"  // for gauge, separator, text, vbox, operator|, Element, border
+#include "ftxui/screen/color.hpp"  // for Color, Color::Blue, Color::Green, Color::Red
+
+using namespace ftxui;
+
+int main(int argc, const char* argv[]) {
+  int value = 50;
+
+  // The tree of components. This defines how to navigate using the keyboard.
+  auto buttons = Container::Horizontal({
+      Button(
+          "Decrease", [&] { value--; }, ButtonOption::Animated(Color::Red)),
+      Button(
+          "Reset", [&] { value = 50; }, ButtonOption::Animated(Color::Green)),
+      Button(
+          "Increase", [&] { value++; }, ButtonOption::Animated(Color::Blue)),
+  });
+
+  // Modify the way to render them on screen:
+  auto component = Renderer(buttons, [&] {
+    return vbox({
+        vbox({
+            text("value = " + std::to_string(value)),
+            separator(),
+            gauge(value * 0.01f),
+        }) | border,
+        buttons->Render(),
+    });
+  });
+
+  auto screen = ScreenInteractive::FitComponent();
+  screen.Loop(component);
+  return 0;
+}
+
+// Copyright 2020 Arthur Sonzogni. All rights reserved.
+// Use of this source code is governed by the MIT license that can be found in
+// the LICENSE file.