FTXUI/src/ftxui/dom/paragraph.cpp
2022-03-31 02:17:43 +02:00

76 lines
2.6 KiB
C++

#include <sstream> // for basic_istream, stringstream
#include <string> // for string, allocator, getline
#include <utility> // for move
#include "ftxui/dom/elements.hpp" // for flexbox, Element, text, Elements, operator|, xflex, paragraph, paragraphAlignCenter, paragraphAlignJustify, paragraphAlignLeft, paragraphAlignRight
#include "ftxui/dom/flexbox_config.hpp" // for FlexboxConfig, FlexboxConfig::JustifyContent, FlexboxConfig::JustifyContent::Center, FlexboxConfig::JustifyContent::FlexEnd, FlexboxConfig::JustifyContent::SpaceBetween
namespace ftxui {
namespace {
Elements Split(const std::string& the_text) {
Elements output;
std::stringstream ss(the_text);
std::string word;
while (std::getline(ss, word, ' ')) {
output.push_back(text(word));
}
return output;
}
} // namespace
/// @brief Return an element drawing the paragraph on multiple lines.
/// @ingroup dom
/// @see flexbox.
Element paragraph(const std::string& the_text) {
return paragraphAlignLeft(the_text);
}
/// @brief Return an element drawing the paragraph on multiple lines, aligned on
/// the left.
/// @ingroup dom
/// @see flexbox.
Element paragraphAlignLeft(const std::string& the_text) {
static const auto config = FlexboxConfig().SetGap(1, 0);
return flexbox(Split(the_text), config);
}
/// @brief Return an element drawing the paragraph on multiple lines, aligned on
/// the right.
/// @ingroup dom
/// @see flexbox.
Element paragraphAlignRight(const std::string& the_text) {
static const auto config =
FlexboxConfig().SetGap(1, 0).Set(FlexboxConfig::JustifyContent::FlexEnd);
return flexbox(Split(the_text), config);
}
/// @brief Return an element drawing the paragraph on multiple lines, aligned on
/// the center.
/// @ingroup dom
/// @see flexbox.
Element paragraphAlignCenter(const std::string& the_text) {
static const auto config =
FlexboxConfig().SetGap(1, 0).Set(FlexboxConfig::JustifyContent::Center);
return flexbox(Split(the_text), config);
}
/// @brief Return an element drawing the paragraph on multiple lines, aligned
/// using a justified alignment.
/// the center.
/// @ingroup dom
/// @see flexbox.
Element paragraphAlignJustify(const std::string& the_text) {
static const auto config = FlexboxConfig().SetGap(1, 0).Set(
FlexboxConfig::JustifyContent::SpaceBetween);
Elements words = Split(the_text);
words.push_back(text("") | xflex);
return flexbox(std::move(words), config);
}
} // namespace ftxui
// Copyright 2020 Arthur Sonzogni. All rights reserved.
// Use of this source code is governed by the MIT license that can be found in
// the LICENSE file.