# FTXUI: examples/component/menu_style.cpp

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examples/component/menu_style.cpp
// 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.
#include <array> // for array
#include <chrono> // for milliseconds
#include <functional> // for function
#include <memory> // for __shared_ptr_access, shared_ptr, allocator
#include <string> // for string, char_traits, operator+, basic_string
#include <vector> // for vector
#include "ftxui/component/animation.hpp" // for ElasticOut, Linear
#include "ftxui/component/component.hpp" // for Menu, Horizontal, Renderer, Vertical
#include "ftxui/component/component_base.hpp" // for ComponentBase
#include "ftxui/component/component_options.hpp" // for MenuOption, EntryState, MenuEntryOption, AnimatedColorOption, AnimatedColorsOption, UnderlineOption
#include "ftxui/component/mouse.hpp" // for ftxui
#include "ftxui/component/screen_interactive.hpp" // for Component, ScreenInteractive
#include "ftxui/dom/elements.hpp" // for separator, operator|, Element, text, bgcolor, hbox, bold, color, filler, border, vbox, borderDouble, dim, flex, hcenter
#include "ftxui/screen/color.hpp" // for Color, Color::Red, Color::Black, Color::Yellow, Color::Blue, Color::Default, Color::White
using namespace ftxui;
Component VMenu1(std::vector<std::string>* entries, int* selected);
Component VMenu2(std::vector<std::string>* entries, int* selected);
Component VMenu3(std::vector<std::string>* entries, int* selected);
Component VMenu4(std::vector<std::string>* entries, int* selected);
Component VMenu5(std::vector<std::string>* entries, int* selected);
Component VMenu6(std::vector<std::string>* entries, int* selected);
Component VMenu7(std::vector<std::string>* entries, int* selected);
Component VMenu8(std::vector<std::string>* entries, int* selected);
Component HMenu1(std::vector<std::string>* entries, int* selected);
Component HMenu2(std::vector<std::string>* entries, int* selected);
Component HMenu3(std::vector<std::string>* entries, int* selected);
Component HMenu4(std::vector<std::string>* entries, int* selected);
Component HMenu5(std::vector<std::string>* entries, int* selected);
int main() {
auto screen = ScreenInteractive::TerminalOutput();
std::vector<std::string> entries{
"Monkey", "Dog", "Cat", "Bird", "Elephant", "Cat",
};
std::array<int, 12> selected = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
auto vmenu_1_ = VMenu1(&entries, &selected[0]);
auto vmenu_2_ = VMenu2(&entries, &selected[1]);
auto vmenu_3_ = VMenu3(&entries, &selected[2]);
auto vmenu_4_ = VMenu4(&entries, &selected[3]);
auto vmenu_5_ = VMenu5(&entries, &selected[4]);
auto vmenu_6_ = VMenu6(&entries, &selected[5]);
auto vmenu_7_ = VMenu7(&entries, &selected[6]);
auto vmenu_8_ = VMenu8(&entries, &selected[7]);
auto hmenu_1_ = HMenu1(&entries, &selected[8]);
auto hmenu_2_ = HMenu2(&entries, &selected[9]);
auto hmenu_3_ = HMenu3(&entries, &selected[10]);
auto hmenu_4_ = HMenu4(&entries, &selected[11]);
auto hmenu_5_ = HMenu5(&entries, &selected[12]);
auto container = Container::Vertical({
Container::Horizontal({
vmenu_1_,
vmenu_2_,
vmenu_3_,
vmenu_4_,
vmenu_5_,
vmenu_6_,
vmenu_7_,
vmenu_8_,
}),
hmenu_1_,
hmenu_2_,
hmenu_3_,
hmenu_4_,
hmenu_5_,
});
auto renderer = Renderer(container, [&] {
return //
hbox({
vbox({
hbox({
vmenu_1_->Render(),
separator(),
vmenu_2_->Render(),
separator(),
vmenu_3_->Render(),
separator(),
vmenu_4_->Render(),
separator(),
vmenu_5_->Render(),
vmenu_6_->Render(),
separator(),
vmenu_7_->Render(),
separator(),
vmenu_8_->Render(),
}),
separator(),
hmenu_1_->Render(),
separator(),
hmenu_2_->Render(),
separator(),
hmenu_3_->Render(),
separator(),
hmenu_4_->Render(),
hmenu_5_->Render(),
}) | border,
filler(),
});
});
screen.Loop(renderer);
}
Component VMenu1(std::vector<std::string>* entries, int* selected) {
auto option = MenuOption::Vertical();
option.entries_option.transform = [](EntryState state) {
state.label = (state.active ? "> " : " ") + state.label;
Element e = text(state.label);
if (state.focused) {
e = e | bgcolor(Color::Blue);
}
if (state.active) {
e = e | bold;
}
return e;
};
return Menu(entries, selected, option);
}
Component VMenu2(std::vector<std::string>* entries, int* selected) {
auto option = MenuOption::Vertical();
option.entries_option.transform = [](EntryState state) {
state.label += (state.active ? " <" : " ");
Element e = hbox(filler(), text(state.label));
if (state.focused) {
e = e | bgcolor(Color::Red);
}
if (state.active) {
e = e | bold;
}
return e;
};
return Menu(entries, selected, option);
}
Component VMenu3(std::vector<std::string>* entries, int* selected) {
auto option = MenuOption::Vertical();
option.entries_option.transform = [](EntryState state) {
Element e = state.active ? text("[" + state.label + "]")
: text(" " + state.label + " ");
if (state.focused) {
e = e | bold;
}
if (state.focused) {
e = e | color(Color::Blue);
}
if (state.active) {
e = e | bold;
}
return e;
};
return Menu(entries, selected, option);
}
Component VMenu4(std::vector<std::string>* entries, int* selected) {
auto option = MenuOption::Vertical();
option.entries_option.transform = [](EntryState state) {
if (state.active && state.focused) {
return text(state.label) | color(Color::Yellow) | bgcolor(Color::Black) |
bold;
}
if (state.active) {
return text(state.label) | color(Color::Yellow) | bgcolor(Color::Black);
}
if (state.focused) {
return text(state.label) | color(Color::Black) | bgcolor(Color::Yellow) |
bold;
}
return text(state.label) | color(Color::Black) | bgcolor(Color::Yellow);
};
return Menu(entries, selected, option);
}
Component VMenu5(std::vector<std::string>* entries, int* selected) {
auto option = MenuOption::Vertical();
option.entries_option.transform = [](EntryState state) {
auto element = text(state.label);
if (state.active && state.focused) {
return element | borderDouble;
}
if (state.active) {
return element | border;
}
if (state.focused) {
return element | bold;
}
return element;
};
return Menu(entries, selected, option);
}
Component VMenu6(std::vector<std::string>* entries, int* selected) {
auto option = MenuOption::VerticalAnimated();
option.underline.color_inactive = Color::Default;
option.underline.color_active = Color::Red;
option.underline.SetAnimationFunction(animation::easing::Linear);
return Menu(entries, selected, option);
}
Component VMenu7(std::vector<std::string>* entries, int* selected) {
auto option = MenuOption::Vertical();
option.entries_option.animated_colors.foreground.enabled = true;
option.entries_option.animated_colors.background.enabled = true;
option.entries_option.animated_colors.background.active = Color::Red;
option.entries_option.animated_colors.background.inactive = Color::Black;
option.entries_option.animated_colors.foreground.active = Color::White;
option.entries_option.animated_colors.foreground.inactive = Color::Red;
return Menu(entries, selected, option);
}
Component VMenu8(std::vector<std::string>* entries, int* selected) {
auto option = MenuOption::Vertical();
option.entries_option.animated_colors.foreground.Set(
Color::Red, Color::White, std::chrono::milliseconds(500));
return Menu(entries, selected, option);
}
Component HMenu1(std::vector<std::string>* entries, int* selected) {
return Menu(entries, selected, MenuOption::Horizontal());
}
Component HMenu2(std::vector<std::string>* entries, int* selected) {
return Menu(entries, selected, MenuOption::Toggle());
}
Component HMenu3(std::vector<std::string>* entries, int* selected) {
auto option = MenuOption::Toggle();
option.elements_infix = [] { return text(" 🮣🮠 "); };
return Menu(entries, selected, option);
}
Component HMenu4(std::vector<std::string>* entries, int* selected) {
return Menu(entries, selected, MenuOption::HorizontalAnimated());
}
Component HMenu5(std::vector<std::string>* entries, int* selected) {
auto option = MenuOption::HorizontalAnimated();
option.underline.SetAnimation(std::chrono::milliseconds(1500),
animation::easing::ElasticOut);
option.entries_option.transform = [](EntryState state) {
Element e = text(state.label) | hcenter | flex;
if (state.active && state.focused) {
e = e | bold;
}
if (!state.focused && !state.active) {
e = e | dim;
}
return e;
};
option.underline.color_inactive = Color::Default;
option.underline.color_active = Color::Red;
return Menu(entries, selected, option);
}
animation.hpp
color.hpp
component.hpp
component_base.hpp
component_options.hpp
elements.hpp
main
int main()
Definition examples/component/button.cpp:33
HMenu5
Component HMenu5(std::vector< std::string > *entries, int *selected)
Definition menu_style.cpp:249
HMenu4
Component HMenu4(std::vector< std::string > *entries, int *selected)
Definition menu_style.cpp:245
VMenu5
Component VMenu5(std::vector< std::string > *entries, int *selected)
Definition menu_style.cpp:186
HMenu1
Component HMenu1(std::vector< std::string > *entries, int *selected)
Definition menu_style.cpp:230
HMenu2
Component HMenu2(std::vector< std::string > *entries, int *selected)
Definition menu_style.cpp:234
VMenu2
Component VMenu2(std::vector< std::string > *entries, int *selected)
Definition menu_style.cpp:130
HMenu3
Component HMenu3(std::vector< std::string > *entries, int *selected)
Definition menu_style.cpp:238
VMenu1
Component VMenu1(std::vector< std::string > *entries, int *selected)
Definition menu_style.cpp:114
VMenu3
Component VMenu3(std::vector< std::string > *entries, int *selected)
Definition menu_style.cpp:146
VMenu6
Component VMenu6(std::vector< std::string > *entries, int *selected)
Definition menu_style.cpp:204
VMenu7
Component VMenu7(std::vector< std::string > *entries, int *selected)
Definition menu_style.cpp:212
VMenu8
Component VMenu8(std::vector< std::string > *entries, int *selected)
Definition menu_style.cpp:223
VMenu4
Component VMenu4(std::vector< std::string > *entries, int *selected)
Definition menu_style.cpp:166
mouse.hpp
ftxui
The FTXUI ftxui:: namespace.
Definition animation.hpp:10
ftxui::Element
std::shared_ptr< Node > Element
Definition elements.hpp:22
ftxui::Component
std::shared_ptr< ComponentBase > Component
Definition component_base.hpp:24
screen_interactive.hpp
ftxui::EntryState
arguments for transform from |ButtonOption|, |CheckboxOption|, |RadioboxOption|, |MenuEntryOption|,...
Definition component_options.hpp:23