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d386df6f94
In order for applications to receive all keyboard inputs, including the Ctrl-C and Ctrl-Z, the raw input mode has been enabled. As result the SIGINT will no longer be used, instead the keyboard Ctrl-C event is used for exiting the framework, but only if no components has made use of it. Co-authored-by: Jørn Gustav Larsen <jgl@fasttracksoftware.com> Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>
68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
// 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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#include <cstdint> // for size_t
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#include <iostream> // for operator<<, stringstream, basic_ostream, flush, cout, ostream
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#include <limits>
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#include <map> // for _Rb_tree_const_iterator, map, operator!=, operator==
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#include <memory> // for allocator, allocator_traits<>::value_type
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#include <sstream> // IWYU pragma: keep
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#include <utility> // for pair
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#include "ftxui/screen/image.hpp"
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#include "ftxui/screen/string.hpp" // for string_width
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namespace ftxui {
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namespace {
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Pixel& dev_null_pixel() {
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static Pixel pixel;
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return pixel;
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}
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} // namespace
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Image::Image(int dimx, int dimy)
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: stencil{0, dimx - 1, 0, dimy - 1},
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dimx_(dimx),
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dimy_(dimy),
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pixels_(dimy, std::vector<Pixel>(dimx)) {}
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/// @brief Access a character in a cell at a given position.
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/// @param x The cell position along the x-axis.
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/// @param y The cell position along the y-axis.
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std::string& Image::at(int x, int y) {
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return PixelAt(x, y).character;
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}
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/// @brief Access a character in a cell at a given position.
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/// @param x The cell position along the x-axis.
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/// @param y The cell position along the y-axis.
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const std::string& Image::at(int x, int y) const {
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return PixelAt(x, y).character;
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}
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/// @brief Access a cell (Pixel) at a given position.
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/// @param x The cell position along the x-axis.
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/// @param y The cell position along the y-axis.
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Pixel& Image::PixelAt(int x, int y) {
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return stencil.Contain(x, y) ? pixels_[y][x] : dev_null_pixel();
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}
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/// @brief Access a cell (Pixel) at a given position.
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/// @param x The cell position along the x-axis.
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/// @param y The cell position along the y-axis.
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const Pixel& Image::PixelAt(int x, int y) const {
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return stencil.Contain(x, y) ? pixels_[y][x] : dev_null_pixel();
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}
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/// @brief Clear all the pixel from the screen.
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void Image::Clear() {
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for (auto& line : pixels_) {
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for (auto& cell : line) {
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cell = Pixel();
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}
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}
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}
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} // namespace ftxui
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