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examples/component/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 <functional> // for function
#include <memory> // for shared_ptr, allocator, __shared_ptr_access
#include <string> // for string, basic_string
#include <vector> // for vector
#include "ftxui/component/captured_mouse.hpp" // for ftxui
#include "ftxui/component/component.hpp" // for Slider, Checkbox, Vertical, Renderer, Button, Input, Menu, Radiobox, Toggle
#include "ftxui/component/component_base.hpp" // for ComponentBase
#include "ftxui/component/screen_interactive.hpp" // for Component, ScreenInteractive
#include "ftxui/dom/elements.hpp" // for separator, operator|, Element, size, xflex, text, WIDTH, hbox, vbox, EQUAL, border, GREATER_THAN
using namespace ftxui;
// Display a component nicely with a title on the left.
Component Wrap(std::string name, Component component) {
return Renderer(component, [name, component] {
return hbox({
text(name) | size(WIDTH, EQUAL, 8),
separator(),
component->Render() | xflex,
}) |
xflex;
});
}
int main() {
auto screen = ScreenInteractive::FitComponent();
// -- Menu
// ----------------------------------------------------------------------
const std::vector<std::string> menu_entries = {
"Menu 1",
"Menu 2",
"Menu 3",
"Menu 4",
};
int menu_selected = 0;
auto menu = Menu(&menu_entries, &menu_selected);
menu = Wrap("Menu", menu);
// -- Toggle------------------------------------------------------------------
int toggle_selected = 0;
std::vector<std::string> toggle_entries = {
"Toggle_1",
"Toggle_2",
};
auto toggle = Toggle(&toggle_entries, &toggle_selected);
toggle = Wrap("Toggle", toggle);
// -- Checkbox ---------------------------------------------------------------
bool checkbox_1_selected = false;
bool checkbox_2_selected = false;
bool checkbox_3_selected = false;
bool checkbox_4_selected = false;
auto checkboxes = Container::Vertical({
Checkbox("checkbox1", &checkbox_1_selected),
Checkbox("checkbox2", &checkbox_2_selected),
Checkbox("checkbox3", &checkbox_3_selected),
Checkbox("checkbox4", &checkbox_4_selected),
});
checkboxes = Wrap("Checkbox", checkboxes);
// -- Radiobox ---------------------------------------------------------------
int radiobox_selected = 0;
std::vector<std::string> radiobox_entries = {
"Radiobox 1",
"Radiobox 2",
"Radiobox 3",
"Radiobox 4",
};
auto radiobox = Radiobox(&radiobox_entries, &radiobox_selected);
radiobox = Wrap("Radiobox", radiobox);
// -- Input ------------------------------------------------------------------
std::string input_label;
auto input = Input(&input_label, "placeholder");
input = Wrap("Input", input);
// -- Button -----------------------------------------------------------------
std::string button_label = "Quit";
std::function<void()> on_button_clicked_;
auto button = Button(&button_label, screen.ExitLoopClosure());
button = Wrap("Button", button);
// -- Slider -----------------------------------------------------------------
int slider_value_1 = 12;
int slider_value_2 = 56;
int slider_value_3 = 128;
auto sliders = Container::Vertical({
Slider("R:", &slider_value_1, 0, 256, 1),
Slider("G:", &slider_value_2, 0, 256, 1),
Slider("B:", &slider_value_3, 0, 256, 1),
});
sliders = Wrap("Slider", sliders);
// A large text:
auto lorel_ipsum = Renderer([] {
return vbox({
text("Lorem ipsum dolor sit amet, consectetur adipiscing elit. "),
text("Sed do eiusmod tempor incididunt ut labore et dolore magna "
"aliqua. "),
text("Ut enim ad minim veniam, quis nostrud exercitation ullamco "
"laboris nisi ut aliquip ex ea commodo consequat. "),
text("Duis aute irure dolor in reprehenderit in voluptate velit esse "
"cillum dolore eu fugiat nulla pariatur. "),
text("Excepteur sint occaecat cupidatat non proident, sunt in culpa "
"qui officia deserunt mollit anim id est laborum. "),
});
});
lorel_ipsum = Wrap("Lorel Ipsum", lorel_ipsum);
// -- Layout
// -----------------------------------------------------------------
auto layout = Container::Vertical({
menu,
toggle,
checkboxes,
radiobox,
input,
sliders,
button,
lorel_ipsum,
});
auto component = Renderer(layout, [&] {
return vbox({
menu->Render(),
separator(),
toggle->Render(),
separator(),
checkboxes->Render(),
separator(),
radiobox->Render(),
separator(),
input->Render(),
separator(),
sliders->Render(),
separator(),
button->Render(),
separator(),
lorel_ipsum->Render(),
}) |
xflex | size(WIDTH, GREATER_THAN, 40) | border;
});
screen.Loop(component);
return 0;
}
captured_mouse.hpp
ftxui::ScreenInteractive::FitComponent
static ScreenInteractive FitComponent()
Definition screen_interactive.cpp:416
component.hpp
component_base.hpp
elements.hpp
ftxui::Container::Vertical
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:317
ftxui
Definition animation.hpp:10
ftxui::WIDTH
@ WIDTH
Definition elements.hpp:153
ftxui::xflex
Element xflex(Element)
Expand/Minimize if possible/needed on the X axis.
Definition flex.cpp:129
ftxui::size
Decorator size(WidthOrHeight, Constraint, int value)
Apply a constraint on the size of an element.
Definition size.cpp:89
ftxui::Menu
Component Menu(MenuOption options)
A list of text. The focused element is selected.
Definition menu.cpp:512
ftxui::Toggle
Component Toggle(ConstStringListRef entries, int *selected)
An horizontal list of elements. The user can navigate through them.
Definition menu.cpp:554
ftxui::Radiobox
Component Radiobox(RadioboxOption options)
A list of element, where only one can be selected.
Definition radiobox.cpp:204
ftxui::Button
Component Button(ButtonOption options)
Draw a button. Execute a function when clicked.
Definition button.cpp:176
ftxui::Renderer
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
ftxui::hbox
Element hbox(Elements)
A container displaying elements horizontally one by one.
Definition hbox.cpp:94
ftxui::text
Element text(std::wstring text)
Display a piece of unicode text.
Definition text.cpp:160
ftxui::Input
Component Input(InputOption options={})
An input box for editing text.
Definition input.cpp:571
ftxui::Slider
Component Slider(SliderOption< T > options)
A slider in any direction.
Definition slider.cpp:346
ftxui::separator
Element separator()
Draw a vertical or horizontal separation in between two other elements.
Definition separator.cpp:134
ftxui::EQUAL
@ EQUAL
Definition elements.hpp:154
ftxui::GREATER_THAN
@ GREATER_THAN
Definition elements.hpp:154
ftxui::Checkbox
Component Checkbox(CheckboxOption options)
Draw checkable element.
Definition checkbox.cpp:108
ftxui::border
Element border(Element)
Draw a border around the element.
Definition border.cpp:227
ftxui::Component
std::shared_ptr< ComponentBase > Component
Definition component_base.hpp:24
ftxui::vbox
Element vbox(Elements)
A container displaying elements vertically one by one.
Definition vbox.cpp:96
screen_interactive.hpp