FTXUI  5.0.0
C++ functional terminal UI.
examples/component/menu_underline_animated_gallery.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 <chrono> // for operator""ms, literals
#include <memory> // for allocator, shared_ptr, __shared_ptr_access
#include <string> // for string, operator+, to_string, basic_string
#include <vector> // for vector
#include "ftxui/component/animation.hpp" // for BackOut, Duration
#include "ftxui/component/component.hpp" // for Menu, Renderer, Vertical
#include "ftxui/component/component_base.hpp" // for ComponentBase
#include "ftxui/component/component_options.hpp" // for MenuOption, UnderlineOption
#include "ftxui/component/mouse.hpp" // for ftxui
#include "ftxui/component/screen_interactive.hpp" // for Component, ScreenInteractive
#include "ftxui/dom/elements.hpp" // for text, Element, operator|, borderEmpty, inverted
#include "ftxui/screen/color.hpp" // for Color, Color::Blue, Color::Red
using namespace ftxui;
Component DummyComponent(int id) {
return Renderer([id](bool focused) {
auto t = text("component " + std::to_string(id));
if (focused)
t = t | inverted;
return t;
});
}
Component Text(const std::string& t) {
return Renderer([t] { return text(t) | borderEmpty; });
}
int main() {
using namespace std::literals;
std::vector<std::string> tab_values{
"Tab 1", "Tab 2", "Tab 3", "A very very long tab", "탭",
};
int tab_selected = 0;
auto container = Container::Vertical({});
int frame_count = 0;
container->Add(Renderer(
[&] { return text("Frame count: " + std::to_string(frame_count++)); }));
{
container->Add(Text("This demonstrate the Menu component"));
container->Add(Menu(&tab_values, &tab_selected, option));
}
{
container->Add(Text("Set underline color to blue"));
option.underline.color_inactive = Color::Blue;
container->Add(Menu(&tab_values, &tab_selected, option));
}
{
container->Add(Text("Set underline active color to red"));
option.underline.color_active = Color::Red;
container->Add(Menu(&tab_values, &tab_selected, option));
}
{
container->Add(Text("Set animation duration to 0ms"));
option.underline.SetAnimationDuration(0ms);
container->Add(Menu(&tab_values, &tab_selected, option));
}
{
container->Add(Text("Set animation easing function to back-out"));
option.underline.SetAnimationFunction(animation::easing::BackOut);
option.underline.SetAnimationDuration(350ms);
container->Add(Menu(&tab_values, &tab_selected, option));
}
// option.underline_animation_follower_delay = 250ms
{
container->Add(Text("Add delay to desynchronize animation"));
option.underline.follower_delay = 250ms;
container->Add(Menu(&tab_values, &tab_selected, option));
}
container->SetActiveChild(container->ChildAt(2));
screen.Loop(container);
}
static ScreenInteractive TerminalOutput()
Component Vertical(Components children)
A list of components, drawn one by one vertically and navigated vertically using up/down arrow key or...
Definition: container.cpp:316
float BackOut(float p)
Definition: animation.cpp:207
Component Menu(MenuOption options)
A list of text. The focused element is selected.
Definition: menu.cpp:512
std::shared_ptr< ComponentBase > Component
Component Renderer(Component child, std::function< Element()>)
Return a new Component, similar to |child|, but using |render| as the Component::Render() event.
Definition: renderer.cpp:61
Element inverted(Element)
Add a filter that will invert the foreground and the background colors.
Definition: inverted.cpp:34
std::string to_string(const std::wstring &s)
Convert a UTF8 std::string into a std::wstring.
Definition: string.cpp:1565
Element text(std::wstring text)
Display a piece of unicode text.
Definition: text.cpp:119
Element borderEmpty(Element)
Draw an empty border around the element.
Definition: border.cpp:476
static MenuOption HorizontalAnimated()
Standard options for an animated horizontal menu. This can be useful to implement a tab bar.