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#include "input.hpp"
#include <unistd.h>
void InputHandler::listen() const noexcept
{
char character = 0;
while (read(STDIN_FILENO, &character, 1) == 1)
{
notify(character);
}
}
void InputHandler::attach(const char &key,
const std::shared_ptr<ICommand> &command) noexcept
{
auto key_index = _key_as_index(key);
_key_commands.at(key_index).push_back(command);
}
void InputHandler::notify(const char &key) const noexcept
{
auto key_index = _key_as_index(key);
for (const auto &command : _key_commands.at(key_index))
{
command->execute();
}
}
void InputHandler::enter_raw_mode() noexcept
{
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<uint32_t>(~(ECHO | ICANON | ISIG));
tcsetattr(STDIN_FILENO, TCSAFLUSH, &raw_termios);
}
void InputHandler::leave_raw_mode() noexcept
{
if (_original_termios == nullptr)
{
return;
}
tcsetattr(STDIN_FILENO, TCSAFLUSH, _original_termios.get());
_original_termios = nullptr;
}
InputHandler::_KeyCommandsSizeType InputHandler::_key_as_index(const char &key) noexcept
{
return static_cast<_KeyCommandsSizeType>(static_cast<uint8_t>(key));
}
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