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Make component more functionnal

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ArthurSonzogni
2021-05-09 20:32:27 +02:00
parent 9d15d1c275
commit 6d75cb2748
70 changed files with 2182 additions and 1769 deletions
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78
examples/component/slider.cpp
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@@ -1,82 +1,16 @@
#include <functional> // for function
#include <memory> // for allocator, unique_ptr
#include <string> // for operator+, to_wstring
#include <memory> // for allocator
#include "ftxui/component/component.hpp" // for Component, Compone...
#include "ftxui/component/container.hpp" // for Container
#include "ftxui/component/event.hpp" // for Event, Event::Escape
#include "ftxui/component/captured_mouse.hpp" // for ftxui
#include "ftxui/component/component.hpp" // for Slider
#include "ftxui/component/screen_interactive.hpp" // for ScreenInteractive
#include "ftxui/component/slider.hpp" // for Slider
#include "ftxui/dom/elements.hpp" // for separator, operator|
#include "ftxui/screen/box.hpp" // for ftxui
#include "ftxui/screen/color.hpp" // for Color
using namespace ftxui;
Element ColorTile(int red, int green, int blue) {
return text(L"") | size(WIDTH, GREATER_THAN, 14) |
size(HEIGHT, GREATER_THAN, 7) | bgcolor(Color::RGB(red, green, blue));
}
Element ColorString(int red, int green, int blue) {
return text(L"RGB = (" + //
std::to_wstring(red) + L"," + //
std::to_wstring(green) + L"," + //
std::to_wstring(blue) + L")" //
);
}
class MyComponent : public Component {
public:
MyComponent(int* red, int* green, int* blue, std::function<void(void)> quit)
: red_(red), green_(green), blue_(blue), quit_(quit) {
Add(&container_);
container_.Add(slider_red_.get());
container_.Add(slider_green_.get());
container_.Add(slider_blue_.get());
}
Element Render() {
return hbox({
ColorTile(*red_, *green_, *blue_),
separator(),
vbox({
slider_red_->Render(),
separator(),
slider_green_->Render(),
separator(),
slider_blue_->Render(),
separator(),
ColorString(*red_, *green_, *blue_),
}) | xflex,
}) |
border | size(WIDTH, LESS_THAN, 80);
}
bool OnEvent(Event event) {
if (event == Event::Return || event == Event::Escape)
quit_();
return Component::OnEvent(event);
}
private:
int* red_;
int* green_;
int* blue_;
Container container_ = Container::Vertical();
ComponentPtr slider_red_ = Slider(L"Red :", red_, 0, 255, 1);
ComponentPtr slider_green_ = Slider(L"Green:", green_, 0, 255, 1);
ComponentPtr slider_blue_ = Slider(L"Blue :", blue_, 0, 255, 1);
std::function<void(void)> quit_;
};
int main(int argc, const char* argv[]) {
auto screen = ScreenInteractive::TerminalOutput();
int red = 128;
int green = 25;
int blue = 100;
auto component = MyComponent(&red, &green, &blue, screen.ExitLoopClosure());
screen.Loop(&component);
int value = 50;
auto slider = Slider(L"Value:", &value, 0, 100, 1);
screen.Loop(slider);
}
// Copyright 2020 Arthur Sonzogni. All rights reserved.