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Add html_like example. Improve take_any_args.
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@ -20,3 +20,4 @@ example(size)
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example(vbox_hbox)
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example(hflow)
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example(paragraph)
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example(html_like)
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52
examples/dom/html_like.cpp
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52
examples/dom/html_like.cpp
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@ -0,0 +1,52 @@
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#include <chrono>
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#include <iostream>
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#include <thread>
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#include "ftxui/dom/elements.hpp"
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#include "ftxui/screen/screen.hpp"
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#include "ftxui/screen/string.hpp"
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int main(int argc, const char* argv[]) {
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using namespace ftxui;
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using namespace std::chrono_literals;
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auto img1 = []() { return text(L"img") | border; };
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auto img2 = []() { return vbox(text(L"big"), text(L"image")) | border; };
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std::string reset_position;
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for (int i = 0;; ++i) {
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auto document =
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hflow(
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paragraph(L"Hello world! Here is an image:"), img1(),
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paragraph(L" Here is a text "), text(L"underlined ") | underlined,
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paragraph(L" Here is a text "), text(L"bold ") | bold,
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paragraph(L"Hello world! Here is an image:"), img2(),
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paragraph(
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L"Le Lorem Ipsum est simplement du faux texte employé dans la "
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L"composition et la mise en page avant impression. Le Lorem "
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L"Ipsum est le faux texte standard de l'imprimerie depuis les "
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L"années 1500, quand un imprimeur anonyme assembla ensemble "
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L"des morceaux de texte pour réaliser un livre spécimen de "
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L"polices de texte. Il n'a pas fait que survivre cinq siècles, "
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L"mais s'est aussi adapté à la bureautique informatique, sans "
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L"que son contenu n'en soit modifié. Il a été popularisé dans "
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L"les années 1960 grâce à la vente de feuilles Letraset "
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L"contenant des passages du Lorem Ipsum, et, plus récemment, "
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L"par son inclusion dans des applications de mise en page de "
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L"texte, comme Aldus PageMaker."),
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paragraph(L" Here is a text "), text(L"dim ") | dim,
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paragraph(L"Hello world! Here is an image:"), img1(),
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paragraph(L" Here is a text "), text(L"red ") | color(Color::Red),
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paragraph(L" A spinner "), spinner(6, i / 10)) |
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border;
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auto screen = Screen::TerminalFullscreen();
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Render(screen, document.get());
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std::cout << reset_position << screen.ToString() << std::flush;
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reset_position = screen.ResetPosition();
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std::this_thread::sleep_for(0.01s);
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}
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return 0;
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}
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@ -1,18 +1,30 @@
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#include <type_traits>
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template <class T>
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void Merge(Elements& container, T t) {}
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template <>
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inline void Merge(Elements& container, Element element) {
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container.push_back(std::move(element));
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}
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template <>
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inline void Merge(Elements& container, Elements elements) {
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for(auto& element : elements)
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container.push_back(std::move(element));
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}
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// Turn a set of arguments into a vector.
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template <class... Args>
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Elements unpack(Args... args) {
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using T = std::common_type_t<Args...>;
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std::vector<T> vec;
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(vec.push_back(std::forward<Args>(args)), ...);
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std::vector<Element> vec;
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(Merge(vec, std::move(args)), ...);
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return vec;
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}
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// Make |container| able to take any number of argments.
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#define TAKE_ANY_ARGS(container) \
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template <class... Args> \
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Element container(Args... children) { \
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return container(unpack(std::forward<Args>(children)...)); \
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} \
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template <class... Args> \
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Element container(Args... children) { \
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return container(unpack(std::forward<Args>(children)...)); \
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}
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@ -8,9 +8,7 @@ Elements paragraph(std::wstring the_text) {
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std::wstringstream ss(the_text);
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std::wstring word;
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while (std::getline(ss, word, L' ')) {
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if (word.size()) {
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output.push_back(text(word + L' '));
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}
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output.push_back(text(word + L' '));
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}
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return output;
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}
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@ -39,8 +39,26 @@ class Size : public Node {
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void SetBox(Box box) override {
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Node::SetBox(box);
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if (constraint_ == LESS_THAN)
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box.x_max = std::min(box.x_min + value_ + 1, box.x_max);
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if (direction_ == WIDTH) {
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switch(constraint_) {
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case LESS_THAN:
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case EQUAL:
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box.x_max = std::min(box.x_min + value_ + 1, box.x_max);
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break;
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case GREATER_THAN:
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break;
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}
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} else {
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switch(constraint_) {
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case LESS_THAN:
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case EQUAL:
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box.y_max = std::min(box.y_min + value_ + 1, box.y_max);
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break;
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case GREATER_THAN:
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break;
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}
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}
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children[0]->SetBox(box);
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}
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