Initialize
This commit is contained in:
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ftxui/examples/component/homescreen.cpp
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532
ftxui/examples/component/homescreen.cpp
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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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#include <stddef.h> // for size_t
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#include <array> // for array
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#include <atomic> // for atomic
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#include <chrono> // for operator""s, chrono_literals
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#include <cmath> // for sin
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#include <ftxui/component/loop.hpp>
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#include <functional> // for ref, reference_wrapper, function
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#include <memory> // for allocator, shared_ptr, __shared_ptr_access
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#include <string> // for string, basic_string, char_traits, operator+, to_string
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#include <thread> // for sleep_for, thread
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#include <utility> // for move
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#include <vector> // for vector
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#include "../dom/color_info_sorted_2d.ipp" // for ColorInfoSorted2D
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#include "ftxui/component/component.hpp" // for Checkbox, Renderer, Horizontal, Vertical, Input, Menu, Radiobox, ResizableSplitLeft, Tab
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#include "ftxui/component/component_base.hpp" // for ComponentBase, Component
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#include "ftxui/component/component_options.hpp" // for MenuOption, InputOption
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#include "ftxui/component/event.hpp" // for Event, Event::Custom
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#include "ftxui/component/screen_interactive.hpp" // for Component, ScreenInteractive
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#include "ftxui/dom/elements.hpp" // for text, color, operator|, bgcolor, filler, Element, vbox, size, hbox, separator, flex, window, graph, EQUAL, paragraph, WIDTH, hcenter, Elements, bold, vscroll_indicator, HEIGHT, flexbox, hflow, border, frame, flex_grow, gauge, paragraphAlignCenter, paragraphAlignJustify, paragraphAlignLeft, paragraphAlignRight, dim, spinner, LESS_THAN, center, yframe, GREATER_THAN
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#include "ftxui/dom/flexbox_config.hpp" // for FlexboxConfig
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#include "ftxui/screen/color.hpp" // for Color, Color::BlueLight, Color::RedLight, Color::Black, Color::Blue, Color::Cyan, Color::CyanLight, Color::GrayDark, Color::GrayLight, Color::Green, Color::GreenLight, Color::Magenta, Color::MagentaLight, Color::Red, Color::White, Color::Yellow, Color::YellowLight, Color::Default, Color::Palette256, ftxui
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#include "ftxui/screen/color_info.hpp" // for ColorInfo
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#include "ftxui/screen/terminal.hpp" // for Size, Dimensions
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using namespace ftxui;
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int main() {
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auto screen = ScreenInteractive::Fullscreen();
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// ---------------------------------------------------------------------------
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// HTOP
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// ---------------------------------------------------------------------------
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int shift = 0;
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auto my_graph = [&shift](int width, int height) {
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std::vector<int> output(width);
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for (int i = 0; i < width; ++i) {
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float v = 0.5f;
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v += 0.1f * sin((i + shift) * 0.1f);
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v += 0.2f * sin((i + shift + 10) * 0.15f);
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v += 0.1f * sin((i + shift) * 0.03f);
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v *= height;
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output[i] = (int)v;
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}
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return output;
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};
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auto htop = Renderer([&] {
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auto frequency = vbox({
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text("Frequency [Mhz]") | hcenter,
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hbox({
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vbox({
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text("2400 "),
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filler(),
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text("1200 "),
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filler(),
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text("0 "),
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}),
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graph(std::ref(my_graph)) | flex,
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}) | flex,
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});
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auto utilization = vbox({
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text("Utilization [%]") | hcenter,
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hbox({
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vbox({
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text("100 "),
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filler(),
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text("50 "),
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filler(),
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text("0 "),
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}),
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graph(std::ref(my_graph)) | color(Color::RedLight),
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}) | flex,
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});
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auto ram = vbox({
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text("Ram [Mo]") | hcenter,
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hbox({
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vbox({
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text("8192"),
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filler(),
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text("4096 "),
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filler(),
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text("0 "),
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}),
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graph(std::ref(my_graph)) | color(Color::BlueLight),
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}) | flex,
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});
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return hbox({
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vbox({
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frequency | flex,
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separator(),
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utilization | flex,
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}) | flex,
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separator(),
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ram | flex,
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}) |
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flex;
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});
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// ---------------------------------------------------------------------------
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// Compiler
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// ---------------------------------------------------------------------------
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const std::vector<std::string> compiler_entries = {
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"gcc",
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"clang",
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"emcc",
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"game_maker",
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"Ada compilers",
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"ALGOL 60 compilers",
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"ALGOL 68 compilers",
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"Assemblers (Intel *86)",
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"Assemblers (Motorola 68*)",
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"Assemblers (Zilog Z80)",
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"Assemblers (other)",
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"BASIC Compilers",
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"BASIC interpreters",
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"Batch compilers",
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"C compilers",
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"Source-to-source compilers",
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"C++ compilers",
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"C# compilers",
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"COBOL compilers",
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"Common Lisp compilers",
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"D compilers",
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"DIBOL/DBL compilers",
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"ECMAScript interpreters",
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"Eiffel compilers",
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"Fortran compilers",
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"Go compilers",
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"Haskell compilers",
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"Java compilers",
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"Pascal compilers",
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"Perl Interpreters",
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"PHP compilers",
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"PL/I compilers",
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"Python compilers",
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"Scheme compilers and interpreters",
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"Smalltalk compilers",
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"Tcl Interpreters",
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"VMS Interpreters",
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"Rexx Interpreters",
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"CLI compilers",
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};
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int compiler_selected = 0;
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Component compiler = Radiobox(&compiler_entries, &compiler_selected);
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std::array<std::string, 8> options_label = {
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"-Wall",
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"-Werror",
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"-lpthread",
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"-O3",
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"-Wabi-tag",
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"-Wno-class-conversion",
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"-Wcomma-subscript",
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"-Wno-conversion-null",
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};
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std::array<bool, 8> options_state = {
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false, false, false, false, false, false, false, false,
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};
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std::vector<std::string> input_entries;
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int input_selected = 0;
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Component input = Menu(&input_entries, &input_selected);
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auto input_option = InputOption();
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std::string input_add_content;
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input_option.on_enter = [&] {
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input_entries.push_back(input_add_content);
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input_add_content = "";
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};
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Component input_add = Input(&input_add_content, "input files", input_option);
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std::string executable_content_ = "";
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Component executable_ = Input(&executable_content_, "executable");
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Component flags = Container::Vertical({
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Checkbox(&options_label[0], &options_state[0]),
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Checkbox(&options_label[1], &options_state[1]),
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Checkbox(&options_label[2], &options_state[2]),
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Checkbox(&options_label[3], &options_state[3]),
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Checkbox(&options_label[4], &options_state[4]),
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Checkbox(&options_label[5], &options_state[5]),
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Checkbox(&options_label[6], &options_state[6]),
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Checkbox(&options_label[7], &options_state[7]),
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});
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auto compiler_component = Container::Horizontal({
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compiler,
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flags,
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Container::Vertical({
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executable_,
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Container::Horizontal({
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input_add,
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input,
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}),
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}),
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});
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auto render_command = [&] {
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Elements line;
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// Compiler
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line.push_back(text(compiler_entries[compiler_selected]) | bold);
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// flags
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for (int i = 0; i < 8; ++i) {
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if (options_state[i]) {
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line.push_back(text(" "));
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line.push_back(text(options_label[i]) | dim);
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}
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}
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// Executable
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if (!executable_content_.empty()) {
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line.push_back(text(" -o ") | bold);
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line.push_back(text(executable_content_) | color(Color::BlueLight) |
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bold);
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}
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// Input
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for (auto& it : input_entries) {
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line.push_back(text(" " + it) | color(Color::RedLight));
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}
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return line;
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};
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auto compiler_renderer = Renderer(compiler_component, [&] {
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auto compiler_win = window(text("Compiler"),
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compiler->Render() | vscroll_indicator | frame);
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auto flags_win =
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window(text("Flags"), flags->Render() | vscroll_indicator | frame);
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auto executable_win = window(text("Executable:"), executable_->Render());
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auto input_win =
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window(text("Input"), hbox({
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vbox({
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hbox({
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text("Add: "),
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input_add->Render(),
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}) | size(WIDTH, EQUAL, 20) |
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size(HEIGHT, EQUAL, 1),
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filler(),
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}),
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separator(),
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input->Render() | vscroll_indicator | frame |
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size(HEIGHT, EQUAL, 3) | flex,
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}));
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return vbox({
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hbox({
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compiler_win,
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flags_win,
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vbox({
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executable_win | size(WIDTH, EQUAL, 20),
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input_win | size(WIDTH, EQUAL, 60),
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}),
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filler(),
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}) | size(HEIGHT, LESS_THAN, 8),
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hflow(render_command()) | flex_grow,
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}) |
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flex_grow;
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});
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// ---------------------------------------------------------------------------
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// Spinner
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// ---------------------------------------------------------------------------
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auto spinner_tab_renderer = Renderer([&] {
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Elements entries;
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for (int i = 0; i < 22; ++i) {
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entries.push_back(spinner(i, shift / 5) | bold |
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size(WIDTH, GREATER_THAN, 2) | border);
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}
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return hflow(std::move(entries));
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});
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// ---------------------------------------------------------------------------
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// Colors
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// ---------------------------------------------------------------------------
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auto color_tab_renderer = Renderer([] {
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auto basic_color_display =
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vbox({
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text("16 color palette:"),
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separator(),
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hbox({
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vbox({
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color(Color::Default, text("Default")),
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color(Color::Black, text("Black")),
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color(Color::GrayDark, text("GrayDark")),
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color(Color::GrayLight, text("GrayLight")),
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color(Color::White, text("White")),
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color(Color::Blue, text("Blue")),
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color(Color::BlueLight, text("BlueLight")),
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color(Color::Cyan, text("Cyan")),
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color(Color::CyanLight, text("CyanLight")),
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color(Color::Green, text("Green")),
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color(Color::GreenLight, text("GreenLight")),
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color(Color::Magenta, text("Magenta")),
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color(Color::MagentaLight, text("MagentaLight")),
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color(Color::Red, text("Red")),
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color(Color::RedLight, text("RedLight")),
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color(Color::Yellow, text("Yellow")),
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color(Color::YellowLight, text("YellowLight")),
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}),
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vbox({
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bgcolor(Color::Default, text("Default")),
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bgcolor(Color::Black, text("Black")),
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bgcolor(Color::GrayDark, text("GrayDark")),
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bgcolor(Color::GrayLight, text("GrayLight")),
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bgcolor(Color::White, text("White")),
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bgcolor(Color::Blue, text("Blue")),
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bgcolor(Color::BlueLight, text("BlueLight")),
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bgcolor(Color::Cyan, text("Cyan")),
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bgcolor(Color::CyanLight, text("CyanLight")),
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bgcolor(Color::Green, text("Green")),
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bgcolor(Color::GreenLight, text("GreenLight")),
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bgcolor(Color::Magenta, text("Magenta")),
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bgcolor(Color::MagentaLight, text("MagentaLight")),
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bgcolor(Color::Red, text("Red")),
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bgcolor(Color::RedLight, text("RedLight")),
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bgcolor(Color::Yellow, text("Yellow")),
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bgcolor(Color::YellowLight, text("YellowLight")),
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}),
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}),
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}) |
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border;
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auto palette_256_color_display = text("256 colors palette:");
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{
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std::vector<std::vector<ColorInfo>> info_columns = ColorInfoSorted2D();
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Elements columns;
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for (auto& column : info_columns) {
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Elements column_elements;
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for (auto& it : column) {
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column_elements.push_back(
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text(" ") | bgcolor(Color(Color::Palette256(it.index_256))));
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}
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columns.push_back(hbox(std::move(column_elements)));
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}
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palette_256_color_display = vbox({
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palette_256_color_display,
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separator(),
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vbox(columns),
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}) |
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border;
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}
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// True color display.
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auto true_color_display = text("TrueColors: 24bits:");
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{
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int saturation = 255;
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Elements array;
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for (int value = 0; value < 255; value += 16) {
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Elements line;
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for (int hue = 0; hue < 255; hue += 6) {
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line.push_back(text("▀") //
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| color(Color::HSV(hue, saturation, value)) //
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| bgcolor(Color::HSV(hue, saturation, value + 8)));
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}
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array.push_back(hbox(std::move(line)));
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}
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true_color_display = vbox({
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true_color_display,
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separator(),
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vbox(std::move(array)),
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}) |
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border;
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}
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return flexbox(
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{
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basic_color_display,
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palette_256_color_display,
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true_color_display,
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},
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FlexboxConfig().SetGap(1, 1));
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});
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// ---------------------------------------------------------------------------
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// Gauges
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// ---------------------------------------------------------------------------
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auto render_gauge = [&shift](int delta) {
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float progress = (shift + delta) % 500 / 500.f;
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return hbox({
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text(std::to_string(int(progress * 100)) + "% ") |
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size(WIDTH, EQUAL, 5),
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gauge(progress),
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});
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};
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auto gauge_component = Renderer([render_gauge] {
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return vbox({
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render_gauge(0) | color(Color::Black),
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render_gauge(100) | color(Color::GrayDark),
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render_gauge(50) | color(Color::GrayLight),
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render_gauge(6894) | color(Color::White),
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separator(),
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render_gauge(6841) | color(Color::Blue),
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render_gauge(9813) | color(Color::BlueLight),
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render_gauge(98765) | color(Color::Cyan),
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render_gauge(98) | color(Color::CyanLight),
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render_gauge(9846) | color(Color::Green),
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render_gauge(1122) | color(Color::GreenLight),
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render_gauge(84) | color(Color::Magenta),
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render_gauge(645) | color(Color::MagentaLight),
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render_gauge(568) | color(Color::Red),
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render_gauge(2222) | color(Color::RedLight),
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render_gauge(220) | color(Color::Yellow),
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render_gauge(348) | color(Color::YellowLight),
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});
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});
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// ---------------------------------------------------------------------------
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// Paragraph
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// ---------------------------------------------------------------------------
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auto make_box = [](size_t dimx, size_t dimy) {
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std::string title = std::to_string(dimx) + "x" + std::to_string(dimy);
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return window(text(title) | hcenter | bold,
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text("content") | hcenter | dim) |
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size(WIDTH, EQUAL, dimx) | size(HEIGHT, EQUAL, dimy);
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};
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auto paragraph_renderer_left = Renderer([&] {
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std::string str =
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"Lorem Ipsum is simply dummy text of the printing and typesetting "
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"industry.\nLorem Ipsum has been the industry's standard dummy text "
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"ever since the 1500s, when an unknown printer took a galley of type "
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"and scrambled it to make a type specimen book.";
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return vbox({
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window(text("Align left:"), paragraphAlignLeft(str)),
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window(text("Align center:"), paragraphAlignCenter(str)),
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window(text("Align right:"), paragraphAlignRight(str)),
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window(text("Align justify:"), paragraphAlignJustify(str)),
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window(text("Side by side"), hbox({
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paragraph(str),
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separator(),
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paragraph(str),
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})),
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window(text("Elements with different size:"),
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flexbox({
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make_box(10, 5),
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make_box(9, 4),
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make_box(8, 4),
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make_box(6, 3),
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make_box(10, 5),
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make_box(9, 4),
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make_box(8, 4),
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make_box(6, 3),
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make_box(10, 5),
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make_box(9, 4),
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make_box(8, 4),
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make_box(6, 3),
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})),
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}) |
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vscroll_indicator | yframe | flex;
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});
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auto paragraph_renderer_right = Renderer([] {
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return paragraph("<--- This vertical bar is resizable using the mouse") |
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center;
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});
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int paragraph_renderer_split_position = Terminal::Size().dimx / 2;
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auto paragraph_renderer_group =
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ResizableSplitLeft(paragraph_renderer_left, paragraph_renderer_right,
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¶graph_renderer_split_position);
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auto paragraph_renderer_group_renderer =
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Renderer(paragraph_renderer_group,
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||||
[&] { return paragraph_renderer_group->Render(); });
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// Tabs
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
int tab_index = 0;
|
||||
std::vector<std::string> tab_entries = {
|
||||
"htop", "color", "spinner", "gauge", "compiler", "paragraph",
|
||||
};
|
||||
auto tab_selection =
|
||||
Menu(&tab_entries, &tab_index, MenuOption::HorizontalAnimated());
|
||||
auto tab_content = Container::Tab(
|
||||
{
|
||||
htop,
|
||||
color_tab_renderer,
|
||||
spinner_tab_renderer,
|
||||
gauge_component,
|
||||
compiler_renderer,
|
||||
paragraph_renderer_group_renderer,
|
||||
},
|
||||
&tab_index);
|
||||
|
||||
auto exit_button =
|
||||
Button("Exit", [&] { screen.Exit(); }, ButtonOption::Animated());
|
||||
|
||||
auto main_container = Container::Vertical({
|
||||
Container::Horizontal({
|
||||
tab_selection,
|
||||
exit_button,
|
||||
}),
|
||||
tab_content,
|
||||
});
|
||||
|
||||
auto main_renderer = Renderer(main_container, [&] {
|
||||
return vbox({
|
||||
text("FTXUI Demo") | bold | hcenter,
|
||||
hbox({
|
||||
tab_selection->Render() | flex,
|
||||
exit_button->Render(),
|
||||
}),
|
||||
tab_content->Render() | flex,
|
||||
});
|
||||
});
|
||||
|
||||
Loop loop(&screen, main_renderer);
|
||||
while (!loop.HasQuitted()) {
|
||||
// Update the state of the application.
|
||||
shift++;
|
||||
|
||||
// Request a new frame to be drawn.
|
||||
screen.RequestAnimationFrame();
|
||||
|
||||
// Execute events, and draw the next frame.
|
||||
loop.RunOnce();
|
||||
|
||||
// Sleep for a short duration to control the frame rate (60 FPS).
|
||||
std::this_thread::sleep_for(std::chrono::milliseconds(1000 / 60));
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user