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Stop using Sender/Receiver in TerminalInputParser. This will help removing usage of thread. At some point, my goal is to have an initialization step when installing the ScreenInteractive so that we can provide the terminal ID synchronously without losing some events. This will help with: https://github.com/ArthurSonzogni/FTXUI/pull/1069
65 lines
2.3 KiB
C++
65 lines
2.3 KiB
C++
// 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 <memory> // for shared_ptr, __shared_ptr_access
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#include <string> // for operator+, to_string
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#include "ftxui/component/captured_mouse.hpp" // for ftxui
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#include "ftxui/component/component.hpp" // for Button, Horizontal, Renderer
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#include "ftxui/component/component_base.hpp" // for ComponentBase
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#include "ftxui/component/screen_interactive.hpp" // for ScreenInteractive
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#include "ftxui/dom/elements.hpp" // for separator, gauge, text, Element, operator|, vbox, border
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using namespace ftxui;
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// This is a helper function to create a button with a custom style.
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// The style is defined by a lambda function that takes an EntryState and
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// returns an Element.
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// We are using `center` to center the text inside the button, then `border` to
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// add a border around the button, and finally `flex` to make the button fill
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// the available space.
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ButtonOption Style() {
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auto option = ButtonOption::Animated();
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option.transform = [](const EntryState& s) {
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auto element = text(s.label);
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if (s.focused) {
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element |= bold;
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}
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return element | center | borderEmpty | flex;
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};
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return option;
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}
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int main() {
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int value = 50;
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// clang-format off
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auto btn_dec_01 = Button("-1", [&] { value += 1; }, Style());
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auto btn_inc_01 = Button("+1", [&] { value -= 1; }, Style());
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auto btn_dec_10 = Button("-10", [&] { value -= 10; }, Style());
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auto btn_inc_10 = Button("+10", [&] { value += 10; }, Style());
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// clang-format on
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// The tree of components. This defines how to navigate using the keyboard.
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// The selected `row` is shared to get a grid layout.
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int row = 0;
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auto buttons = Container::Vertical({
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Container::Horizontal({btn_dec_01, btn_inc_01}, &row) | flex,
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Container::Horizontal({btn_dec_10, btn_inc_10}, &row) | flex,
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});
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// Modify the way to render them on screen:
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auto component = Renderer(buttons, [&] {
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return vbox({
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text("value = " + std::to_string(value)),
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separator(),
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buttons->Render() | flex,
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}) |
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flex | border;
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});
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auto screen = ScreenInteractive::FitComponent();
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screen.Loop(component);
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return 0;
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}
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