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https://github.com/ArthurSonzogni/FTXUI.git
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55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
// Copyright 2024 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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#ifndef FTXUI_DOM_SELECTION_HPP
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#define FTXUI_DOM_SELECTION_HPP
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#include <functional>
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#include "ftxui/screen/box.hpp" // for Box
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#include "ftxui/screen/pixel.hpp" // for Pixel
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namespace ftxui {
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/// @brief Option for the selection of content.
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/// @ingroup component
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struct SelectionOption {
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/// @brief Selection is simply inverted:
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static SelectionOption Simple();
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// Style:
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std::function<void(Pixel& pixel)> transform = [](Pixel& pixel) {
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pixel.inverted = true;
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};
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// Observers:
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/// Called when the selection changed.
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std::function<void()> on_change = [] {};
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};
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/// @brief Represent a selection in the terminal.
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class Selection {
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public:
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Selection(int start_x, int start_y, int end_x, int end_y, SelectionOption option = SelectionOption::Simple());
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const Box& GetBox() const;
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const SelectionOption& GetOption() const;
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Selection SaturateHorizontal(Box box);
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Selection SaturateVertical(Box box);
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private:
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Selection* const parent_ = nullptr;
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const int start_x_;
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const int start_y_;
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const int end_x_;
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const int end_y_;
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const Box box_;
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const SelectionOption option;
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};
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} // namespace ftxui
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#endif /* end of include guard: FTXUI_DOM_SELECTION_HPP */
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