c2f8a5fffa
This patchset adds an stylization interface to LibLine, and breaks multiline editing. With the most adorable Style constructor I've ever seen :^)
108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
/*
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* Copyright (c) 2020, The SerenityOS developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <stdlib.h>
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namespace Line {
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class Style {
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public:
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enum class Color : int {
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Default = 9,
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Black = 0,
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Red,
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Green,
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Yellow,
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Blue,
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Magenta,
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Cyan,
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White,
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// TODO: it appears that we do not support these SGR options
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BrightBlack = 60,
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BrightRed,
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BrightGreen,
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BrightYellow,
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BrightBlue,
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BrightMagenta,
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BrightCyan,
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BrightWhite,
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};
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struct UnderlineTag {
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};
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struct BoldTag {
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};
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struct ItalicTag {
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};
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struct Background {
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explicit Background(Color color)
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: m_color(color)
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{
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}
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Color m_color;
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};
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struct Foreground {
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explicit Foreground(Color color)
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: m_color(color)
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{
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}
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Color m_color;
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};
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static constexpr UnderlineTag Underline {};
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static constexpr BoldTag Bold {};
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static constexpr ItalicTag Italic {};
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// prepare for the horror of templates
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template <typename T, typename... Rest>
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Style(const T& style_arg, Rest... rest)
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: Style(rest...)
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{
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set(style_arg);
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}
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Style() {}
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bool underline() const { return m_underline; }
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bool bold() const { return m_bold; }
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bool italic() const { return m_italic; }
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Color background() const { return m_background; }
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Color foreground() const { return m_foreground; }
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void set(const ItalicTag&) { m_italic = true; }
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void set(const BoldTag&) { m_bold = true; }
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void set(const UnderlineTag&) { m_underline = true; }
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void set(const Background& bg) { m_background = bg.m_color; }
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void set(const Foreground& fg) { m_foreground = fg.m_color; }
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private:
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bool m_underline { false };
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bool m_bold { false };
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bool m_italic { false };
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Color m_background { Color::Default };
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Color m_foreground { Color::Default };
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};
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}
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