FTXUI/examples/print_key_press/main.cpp
Arthur Sonzogni 711b71688e Implement a lot of new features.
This commit deserve to be cut into at least 8 sub commit. Sorry, I
acknowledge this is bad... Here are the new features:

 * dom decorator: bold, dim, underlined, inverted.
 * component mechanism
 * components
   * menu
   * toogle
2018-10-09 19:08:55 +02:00

45 lines
1.2 KiB
C++

#include <chrono>
#include <iostream>
#include <thread>
#include "ftxui/screen_interactive.hpp"
#include "ftxui/component/component.hpp"
#include "ftxui/util/string.hpp"
class DrawKey : public ftxui::component::Component {
public:
DrawKey(ftxui::component::Delegate* delegate)
: ftxui::component::Component(delegate) {}
ftxui::dom::Element Render() override {
using namespace ftxui::dom;
Children children;
for (size_t i = std::max(0, (int)keys.size() - 10); i < keys.size(); ++i) {
try {
std::string line = std::to_string(i) + " -> " + std::to_string(keys[i]) +
" (" + char(keys[i]) + ")";
children.push_back(text(to_wstring(line)));
} catch (...) {
std::string line = std::to_string(i) + " -> " + std::to_string(keys[i]) +
" (undefined)";
children.push_back(text(to_wstring(line)));
}
}
return vbox(std::move(children));
}
bool Event(int key) override {
keys.push_back(key);
return true;
}
private:
std::vector<int> keys;
};
int main(int argc, const char* argv[]) {
ftxui::ScreenInteractive screen(80,10);
DrawKey draw_key(screen.delegate());
screen.Loop();
}