From d02d46d27982a8e351736067ab9787f87052b989 Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Wed, 29 Jun 2022 20:17:23 +0200
Subject: refactor: add termios abstraction

---
 src/engine/graphics/scene.cpp | 35 +++++++++++++----------------------
 1 file changed, 13 insertions(+), 22 deletions(-)

(limited to 'src/engine/graphics/scene.cpp')

diff --git a/src/engine/graphics/scene.cpp b/src/engine/graphics/scene.cpp
index 7c23c7d..8ec8ddf 100644
--- a/src/engine/graphics/scene.cpp
+++ b/src/engine/graphics/scene.cpp
@@ -1,13 +1,13 @@
 #include "scene.hpp"
 
+#include <cstdint>
 #include <fmt/core.h>
+#include <iostream>
 #include <sys/ioctl.h>
-#include <termios.h>
 #include <unistd.h>
-#include <cstdint>
-#include <iostream>
 
 #include "engine/escape.hpp"
+#include "engine/io/terminal.hpp"
 
 class IComponent;
 
@@ -19,7 +19,7 @@ Scene::Scene(const IMatrixFactory<MatrixElement> &matrix_factory) noexcept
 
 void Scene::enter() noexcept
 {
-	if (_is_shown || _original_termios != nullptr)
+	if (_is_shown)
 	{
 		return;
 	}
@@ -28,30 +28,22 @@ void Scene::enter() noexcept
 	fmt::print(ENABLE_ALT_BUFFER, fmt::arg("esc", ESC));
 	std::cout.flush();
 
-	// Create a backup of the current terminal state
-	_original_termios = std::make_shared<termios>();
-	tcgetattr(STDIN_FILENO, _original_termios.get());
+	_original_terminal_state = get_terminal_state(STDIN_FILENO);
 
-	auto new_termios = termios(*_original_termios);
+	auto new_terminal_state = TerminalState(_original_terminal_state);
 
-	// Set the local mode flags of the new termios structure
-	//
-	// The following flags are disabled:
-	// ECHO   - Echoing input characters
-	// ICANON - Canonical mode (line by line input)
-	// ISIG   - Generate the corresponding signals for the characters
-	//			INTR, QUIT, SUSP and DSUSP
-	new_termios.c_lflag &= static_cast<std::uint32_t>(~(ECHO | ICANON | ISIG));
+	new_terminal_state.set_local_mode_flag(TerminalLocalModeFlag::echo, false);
+	new_terminal_state.set_local_mode_flag(TerminalLocalModeFlag::icanon, false);
+	new_terminal_state.set_local_mode_flag(TerminalLocalModeFlag::isig, false);
 
-	// Set a new terminal state
-	tcsetattr(STDIN_FILENO, TCSAFLUSH, &new_termios);
+	set_terminal_state(STDIN_FILENO, new_terminal_state);
 
 	_is_shown = true;
 }
 
 void Scene::leave() noexcept
 {
-	if (!_is_shown || _original_termios == nullptr)
+	if (!_is_shown)
 	{
 		return;
 	}
@@ -60,10 +52,9 @@ void Scene::leave() noexcept
 	fmt::print(DISABLE_ALT_BUFFER, fmt::arg("esc", ESC));
 	std::cout.flush();
 
-	// Restore the original terminal state
-	tcsetattr(STDIN_FILENO, TCSAFLUSH, _original_termios.get());
+	set_terminal_state(STDIN_FILENO, _original_terminal_state);
 
-	_original_termios = nullptr;
+	_original_terminal_state = {};
 	_is_shown = false;
 }
 
-- 
cgit v1.2.3-18-g5258