FTXUI/examples/util/print_key_press.cpp
2020-08-09 10:49:06 +02:00

49 lines
1.2 KiB
C++

// 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.
#include <chrono>
#include <ftxui/component/component.hpp>
#include <ftxui/component/screen_interactive.hpp>
#include <ftxui/screen/string.hpp>
#include <iostream>
#include <thread>
using namespace ftxui;
class DrawKey : public Component {
public:
~DrawKey() override = default;
Element Render() override {
Elements children;
for (size_t i = std::max(0, (int)keys.size() - 10); i < keys.size(); ++i) {
std::wstring code;
for (auto& it : keys[i].input())
code += L" " + std::to_wstring((unsigned int)it);
code = L"(" + code + L" ) -> ";
if (keys[i].is_character())
code += keys[i].character();
else
code += L"(special)";
children.push_back(text(code));
}
return window(text(L"keys"), vbox(std::move(children)));
}
bool OnEvent(Event event) override {
keys.push_back(event);
return true;
}
private:
std::vector<Event> keys;
};
int main(int argc, const char* argv[]) {
auto screen = ScreenInteractive::TerminalOutput();
DrawKey draw_key;
screen.Loop(&draw_key);
}