FTXUI/examples/component/modal_dialog.cpp
ArthurSonzogni 155758c073
Use IWYU.
2021-05-01 23:19:07 +02:00

136 lines
3.7 KiB
C++

#include <functional> // for function
#include <memory> // for allocator_traits<>...
#include <string> // for operator+, wstring
#include <vector> // for vector
#include "ftxui/component/button.hpp" // for Button
#include "ftxui/component/component.hpp" // for Component
#include "ftxui/component/container.hpp" // for Container
#include "ftxui/component/screen_interactive.hpp" // for ScreenInteractive
#include "ftxui/dom/elements.hpp" // for Element, operator|
#include "ftxui/screen/box.hpp" // for ftxui
using namespace ftxui;
// The main screen, at depth 0. It display the main content.
class Content : public Component {
public:
std::function<void()> on_rate_ftxui = [] {};
std::function<void()> on_quit = [] {};
std::wstring rating_ = L"3/5 stars";
Content() {
Add(&container_);
container_.Add(&button_rate_ftxui);
container_.Add(&button_quit_);
button_rate_ftxui.on_click = [&] { on_rate_ftxui(); };
button_quit_.on_click = [&] { on_quit(); };
}
Element Render() final {
auto button_elements = hbox({
button_rate_ftxui.Render(),
filler(),
button_quit_.Render(),
});
auto document = //
vbox({
text(L"Modal dialog example"),
separator(),
text(L"☆☆☆ FTXUI:" + rating_ + L" ☆☆☆") | bold,
filler(),
button_elements,
}) |
border;
return document | size(HEIGHT, GREATER_THAN, 18) | center;
}
private:
Container container_ = Container::Horizontal();
Button button_rate_ftxui = Button(L"Rate FTXUI");
Button button_quit_ = Button(L"Quit");
};
// The "modal" screen, at depth 1. It display the modal dialog.
class Modal : public Component {
public:
std::function<void(std::wstring)> on_click;
Modal() {
Add(&container_);
buttons_.resize(5);
for (int i = 0; i < 5; ++i) {
std::wstring stars = std::to_wstring(i + 1) + L"/5 stars";
buttons_[i] = Button(stars);
buttons_[i].on_click = [&, stars] { on_click(stars); };
container_.Add(&buttons_[i]);
}
}
Element Render() final {
return vbox({
text(L"Do you like FTXUI?"),
separator(),
hbox({
buttons_[0].Render(),
buttons_[1].Render(),
buttons_[2].Render(),
buttons_[3].Render(),
buttons_[4].Render(),
}),
}) |
border;
}
private:
Container container_ = Container::Horizontal();
std::vector<Button> buttons_;
};
class MyComponent : public Component {
public:
std::function<void()> on_quit = [] {};
MyComponent() {
Add(&container_);
container_.Add(&content_);
container_.Add(&modal_);
content_.on_quit = [&] { on_quit(); };
content_.on_rate_ftxui = [&] { modal_.TakeFocus(); };
modal_.on_click = [&](std::wstring rating) {
content_.rating_ = rating;
content_.TakeFocus();
};
}
Element Render() final {
Element document = content_.Render();
if (modal_.Focused()) {
document = dbox({
document,
modal_.Render() | clear_under | center,
});
}
return document;
}
private:
Container container_ = Container::Tab(nullptr);
Content content_;
Modal modal_;
};
int main(int argc, const char* argv[]) {
auto screen = ScreenInteractive::TerminalOutput();
MyComponent my_component;
my_component.on_quit = screen.ExitLoopClosure();
screen.Loop(&my_component);
return 0;
}
// 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.