mirror of
https://github.com/ArthurSonzogni/FTXUI.git
synced 2024-12-02 08:12:59 +08:00
36 lines
938 B
C++
36 lines
938 B
C++
|
#include "ftxui/dom/elements.hpp"
|
||
|
|
#include "ftxui/dom/node_decorator.hpp"
|
||
|
|
|
||
|
|
namespace ftxui {
|
||
|
|
|
||
|
|
using ftxui::Screen;
|
||
|
|
|
||
|
|
class ClearUnder : public NodeDecorator {
|
||
|
|
public:
|
||
|
|
ClearUnder(Elements children) : NodeDecorator(std::move(children)) {}
|
||
|
|
~ClearUnder() override {}
|
||
|
|
|
||
|
|
void Render(Screen& screen) override {
|
||
|
|
for (int y = box_.y_min; y <= box_.y_max; ++y) {
|
||
|
|
for (int x = box_.x_min; x <= box_.x_max; ++x) {
|
||
|
|
screen.PixelAt(x, y) = Pixel();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
Node::Render(screen);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/// @brief Before drawing |child|, clear the pixels below. This is useful in
|
||
|
|
// combinaison with dbox.
|
||
|
|
/// @see ftxui::dbox
|
||
|
|
/// @ingroup dom
|
||
|
|
Element clear_under(Element child) {
|
||
|
|
return std::make_shared<ClearUnder>(unpack(std::move(child)));
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace ftxui
|
||
|
|
|
||
|
|
// 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.
|