FTXUI  5.0.0
C++ functional terminal UI.
blink.cpp
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1 // Copyright 2020 Arthur Sonzogni. All rights reserved.
2 // Use of this source code is governed by the MIT license that can be found in
3 // the LICENSE file.
4 #include <memory> // for make_shared
5 #include <utility> // for move
6 
7 #include "ftxui/dom/elements.hpp" // for Element, blink
8 #include "ftxui/dom/node.hpp" // for Node
9 #include "ftxui/dom/node_decorator.hpp" // for NodeDecorator
10 #include "ftxui/screen/box.hpp" // for Box
11 #include "ftxui/screen/screen.hpp" // for Pixel, Screen
12 
13 namespace ftxui {
14 
15 namespace {
16 class Blink : public NodeDecorator {
17  public:
19 
20  void Render(Screen& screen) override {
21  Node::Render(screen);
22  for (int y = box_.y_min; y <= box_.y_max; ++y) {
23  for (int x = box_.x_min; x <= box_.x_max; ++x) {
24  screen.PixelAt(x, y).blink = true;
25  }
26  }
27  }
28 };
29 } // namespace
30 
31 /// @brief The text drawn alternates in between visible and hidden.
32 /// @ingroup dom
34  return std::make_shared<Blink>(std::move(child));
35 }
36 
37 } // namespace ftxui
NodeDecorator(Element child)
virtual void Render(Screen &screen)
Display an element on a ftxui::Screen.
Definition: node.cpp:32
std::shared_ptr< Node > Element
Definition: elements.hpp:23
void Render(Screen &screen, const Element &element)
Display an element on a ftxui::Screen.
Definition: node.cpp:47
Element blink(Element)
The text drawn alternates in between visible and hidden.
Definition: blink.cpp:33