FTXUI/examples/component/menu2.cpp

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#include <chrono>
#include <iostream>
#include <thread>
#include "ftxui/component/component_horizontal.hpp"
#include "ftxui/component/component_vertical.hpp"
#include "ftxui/component/menu.hpp"
#include "ftxui/component/screen_interactive.hpp"
#include "ftxui/util/string.hpp"
using namespace ftxui::component;
using namespace ftxui::dom;
class MyComponent : ComponentHorizontal {
public:
MyComponent(Delegate* delegate)
: ComponentHorizontal(delegate),
left_menu(delegate->NewChild()),
right_menu(delegate->NewChild()) {
left_menu.entries = {L"0%", L"10%", L"20%", L"30%", L"40%", L"50%",
L"60%", L"70%", L"80%", L"90%"};
right_menu.entries = {L"0%", L"1%", L"2%", L"3%", L"4%", L"5%",
L"6%", L"7%", L"8%", L"9%", L"10%"};
left_menu.on_enter = [this]() { on_enter(); };
right_menu.on_enter = [this]() { on_enter(); };
Focus(&left_menu);
}
std::function<void()> on_enter = [](){};
private:
Menu left_menu;
Menu right_menu;
Element Render() override {
int sum = left_menu.selected * 10 + right_menu.selected;
return
frame(
vbox(
// -------- Top panel --------------
hbox(
// -------- Left Menu --------------
vbox(
hcenter(bold(text(L"Percentage by 10%"))),
separator(),
left_menu.Render()
) | flex,
// -------- Right Menu --------------
vbox(
hcenter(bold(text(L"Percentage by 1%"))),
separator(),
right_menu.Render()
) | flex,
filler()
),
separator(),
// -------- Bottom panel --------------
vbox(
hbox(text(L" gauge : "), gauge(sum/100.0)),
hbox(text(L" text : "), text(to_wstring(std::to_string(sum) + " %")))
) | flex
)
);
}
};
int main(int argc, const char *argv[])
{
auto screen = ScreenInteractive::TerminalOutput();
MyComponent component(screen.delegate());
component.on_enter = screen.ExitLoopClosure();
screen.Loop();
}