mirror of
https://github.com/ArthurSonzogni/FTXUI.git
synced 2024-11-30 06:57:10 +08:00
85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
#include <functional> // for function
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#include <memory> // for allocator, unique_ptr
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#include <string> // for operator+, to_wstring
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#include "ftxui/component/component.hpp" // for Component, Compone...
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#include "ftxui/component/container.hpp" // for Container
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#include "ftxui/component/event.hpp" // for Event, Event::Escape
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#include "ftxui/component/screen_interactive.hpp" // for ScreenInteractive
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#include "ftxui/component/slider.hpp" // for Slider
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#include "ftxui/dom/elements.hpp" // for separator, operator|
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#include "ftxui/screen/box.hpp" // for ftxui
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#include "ftxui/screen/color.hpp" // for Color
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using namespace ftxui;
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Element ColorTile(int red, int green, int blue) {
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return text(L"") | size(WIDTH, GREATER_THAN, 14) |
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size(HEIGHT, GREATER_THAN, 7) | bgcolor(Color::RGB(red, green, blue));
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}
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Element ColorString(int red, int green, int blue) {
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return text(L"RGB = (" + //
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std::to_wstring(red) + L"," + //
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std::to_wstring(green) + L"," + //
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std::to_wstring(blue) + L")" //
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);
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}
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class MyComponent : public Component {
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public:
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MyComponent(int* red, int* green, int* blue, std::function<void(void)> quit)
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: red_(red), green_(green), blue_(blue), quit_(quit) {
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Add(&container_);
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container_.Add(slider_red_.get());
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container_.Add(slider_green_.get());
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container_.Add(slider_blue_.get());
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}
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Element Render() {
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return hbox({
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ColorTile(*red_, *green_, *blue_),
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separator(),
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vbox({
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slider_red_->Render(),
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separator(),
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slider_green_->Render(),
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separator(),
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slider_blue_->Render(),
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separator(),
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ColorString(*red_, *green_, *blue_),
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}) | xflex,
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}) |
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border | size(WIDTH, LESS_THAN, 80);
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}
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bool OnEvent(Event event) {
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if (event == Event::Return || event == Event::Escape)
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quit_();
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return Component::OnEvent(event);
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}
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private:
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int* red_;
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int* green_;
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int* blue_;
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Container container_ = Container::Vertical();
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ComponentPtr slider_red_ = Slider(L"Red :", red_, 0, 255, 1);
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ComponentPtr slider_green_ = Slider(L"Green:", green_, 0, 255, 1);
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ComponentPtr slider_blue_ = Slider(L"Blue :", blue_, 0, 255, 1);
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std::function<void(void)> quit_;
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};
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int main(int argc, const char* argv[]) {
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auto screen = ScreenInteractive::TerminalOutput();
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int red = 128;
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int green = 25;
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int blue = 100;
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auto component = MyComponent(&red, &green, &blue, screen.ExitLoopClosure());
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screen.Loop(&component);
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}
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// 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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