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#include "input.hpp"
#include <unistd.h>
void InputHandler::listen() const
{
char character = 0;
while (read(STDIN_FILENO, &character, 1) == 1)
{
notify(character);
}
}
void InputHandler::attach(const char &event, Callback callback)
{
if (_key_observers.count(event) == 0)
{
_key_observers[event] = std::vector<Callback>();
}
_key_observers[event].push_back(callback);
}
void InputHandler::notify(const char &event) const
{
if (_key_observers.count(event) == 0)
{
return;
}
for (const auto &observer : _key_observers.at(event))
{
observer();
}
}
void InputHandler::enter_raw_mode()
{
if (_original_termios == nullptr)
{
_original_termios = std::make_shared<termios>();
}
tcgetattr(STDIN_FILENO, _original_termios.get());
auto raw_termios = termios(*_original_termios);
raw_termios.c_lflag &= static_cast<unsigned int>(~(ECHO | ICANON | ISIG));
tcsetattr(STDIN_FILENO, TCSAFLUSH, &raw_termios);
}
void InputHandler::leave_raw_mode()
{
if (_original_termios == nullptr)
{
return;
}
tcsetattr(STDIN_FILENO, TCSAFLUSH, _original_termios.get());
_original_termios = nullptr;
}
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