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118 lines
2.7 KiB
C++
118 lines
2.7 KiB
C++
#ifndef FTXUI_SCREEN_SCREEN_HPP
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#define FTXUI_SCREEN_SCREEN_HPP
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#include <memory>
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#include <string> // for string, allocator, basic_string
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#include <vector> // for vector
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#include "ftxui/screen/box.hpp" // for Box
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#include "ftxui/screen/color.hpp" // for Color, Color::Default
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#include "ftxui/screen/terminal.hpp" // for Dimensions
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namespace ftxui {
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/// @brief A unicode character and its associated style.
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/// @ingroup screen
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struct Pixel {
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bool operator==(const Pixel& other) const;
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// The graphemes stored into the pixel. To support combining characters,
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// like: a⃦, this can potentially contains multiple codepoitns.
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std::string character = " ";
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// Colors:
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Color background_color = Color::Default;
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Color foreground_color = Color::Default;
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// A bit field representing the style:
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bool blink : 1;
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bool bold : 1;
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bool dim : 1;
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bool inverted : 1;
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bool underlined : 1;
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bool underlined_double : 1;
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bool strikethrough : 1;
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bool automerge : 1;
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Pixel()
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: blink(false),
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bold(false),
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dim(false),
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inverted(false),
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underlined(false),
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underlined_double(false),
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strikethrough(false),
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automerge(false) {}
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};
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/// @brief Define how the Screen's dimensions should look like.
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/// @ingroup screen
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namespace Dimension {
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Dimensions Fixed(int);
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Dimensions Full();
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} // namespace Dimension
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/// @brief A rectangular grid of Pixel.
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/// @ingroup screen
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class Screen {
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public:
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// Constructors:
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Screen(int dimx, int dimy);
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static Screen Create(Dimensions dimension);
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static Screen Create(Dimensions width, Dimensions height);
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// Node write into the screen using Screen::at.
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std::string& at(int x, int y);
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Pixel& PixelAt(int x, int y);
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// Convert the screen into a printable string in the terminal.
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std::string ToString();
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void Print();
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// Get screen dimensions.
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int dimx() const { return dimx_; }
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int dimy() const { return dimy_; }
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// Move the terminal cursor n-lines up with n = dimy().
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std::string ResetPosition(bool clear = false) const;
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// Fill with space.
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void Clear();
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void ApplyShader();
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struct Cursor {
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int x = 0;
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int y = 0;
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enum Shape {
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Hidden = 0,
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BlockBlinking = 1,
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Block = 2,
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UnderlineBlinking = 3,
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Underline = 4,
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BarBlinking = 5,
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Bar = 6,
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};
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Shape shape;
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};
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Cursor cursor() const { return cursor_; }
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void SetCursor(Cursor cursor) { cursor_ = cursor; }
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Box stencil;
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protected:
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int dimx_;
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int dimy_;
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std::vector<std::vector<Pixel>> pixels_;
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Cursor cursor_;
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};
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} // namespace ftxui
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#endif // FTXUI_SCREEN_SCREEN_HPP
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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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