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https://github.com/ArthurSonzogni/FTXUI.git
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41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
#include <memory> // for make_shared
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#include <utility> // for move
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#include "ftxui/dom/elements.hpp" // for Element, clear_under
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#include "ftxui/dom/node.hpp" // for Node
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#include "ftxui/dom/node_decorator.hpp" // for NodeDecorator
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#include "ftxui/screen/box.hpp" // for Box
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#include "ftxui/screen/screen.hpp" // for Pixel, Screen
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namespace ftxui {
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using ftxui::Screen;
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class ClearUnder : public NodeDecorator {
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public:
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using NodeDecorator::NodeDecorator;
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void Render(Screen& screen) override {
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for (int y = box_.y_min; y <= box_.y_max; ++y) {
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for (int x = box_.x_min; x <= box_.x_max; ++x) {
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screen.PixelAt(x, y) = Pixel();
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}
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}
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Node::Render(screen);
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}
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};
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/// @brief Before drawing |child|, clear the pixels below. This is useful in
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// combinaison with dbox.
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/// @see ftxui::dbox
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/// @ingroup dom
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Element clear_under(Element element) {
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return std::make_shared<ClearUnder>(std::move(element));
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}
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} // namespace ftxui
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// Copyright 2020 Arthur Sonzogni. All rights reserved.
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// Use of this source code is governed by the MIT license that can be found in
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// the LICENSE file.
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