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f4b47333be
CTRL+LEFT: Move the cursor to the beginning of the word. CTRL+RIGHT: Move the cursor to the beginning of the word. This was requested by: https://github.com/ArthurSonzogni/FTXUI/issues/490
69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
#ifndef FTXUI_SCREEN_STRING_HPP
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#define FTXUI_SCREEN_STRING_HPP
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#include <stddef.h> // for size_t
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#include <string> // for string, wstring, to_string
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#include <vector> // for vector
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namespace ftxui {
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std::string to_string(const std::wstring& s);
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std::wstring to_wstring(const std::string& s);
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template <typename T>
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std::wstring to_wstring(T s) {
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return to_wstring(std::to_string(s));
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}
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int string_width(const std::string&);
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// Split the string into a its glyphs. An empty one is inserted ater fullwidth
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// ones.
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std::vector<std::string> Utf8ToGlyphs(const std::string& input);
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// If |input| was an array of glyphs, this returns the number of char to eat
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// before reaching the glyph at index |glyph_index|.
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int GlyphPosition(const std::string& input,
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size_t glyph_index,
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size_t start = 0);
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// Returns the number of glyphs in |input|.
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int GlyphCount(const std::string& input);
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// Properties from:
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// https://www.unicode.org/Public/UCD/latest/ucd/auxiliary/WordBreakProperty.txt
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enum class WordBreakProperty {
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ALetter,
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CR,
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Double_Quote,
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Extend,
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ExtendNumLet,
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Format,
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Hebrew_Letter,
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Katakana,
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LF,
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MidLetter,
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MidNum,
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MidNumLet,
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Newline,
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Numeric,
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Regional_Indicator,
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Single_Quote,
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WSegSpace,
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ZWJ,
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};
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std::vector<WordBreakProperty> Utf8ToWordBreakProperty(
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const std::string& input);
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bool IsWordBreakingCharacter(const std::string& input, size_t glyph_index);
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// Map every cells drawn by |input| to their corresponding Glyphs. Half-size
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// Glyphs takes one cell, full-size Glyphs take two cells.
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std::vector<int> CellToGlyphIndex(const std::string& input);
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} // namespace ftxui
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#include "ftxui/screen/deprecated.hpp"
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#endif /* end of include guard: FTXUI_SCREEN_STRING_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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