From 93123e97251fc791c1cac193d675cce9a1ac2de6 Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Thu, 3 Mar 2022 19:41:23 +0100
Subject: feat: add moving cursor

---
 src/engine/user/cursor.cpp | 43 +++++++++++++++++++++++++++++++++++++++++++
 src/engine/user/cursor.hpp | 45 +++++++++++++++++++++++++++++++++++++++++++++
 src/engine/user/cursor.tpp | 31 +++++++++++++++++++++++++++++++
 3 files changed, 119 insertions(+)
 create mode 100644 src/engine/user/cursor.cpp
 create mode 100644 src/engine/user/cursor.hpp
 create mode 100644 src/engine/user/cursor.tpp

(limited to 'src/engine/user')

diff --git a/src/engine/user/cursor.cpp b/src/engine/user/cursor.cpp
new file mode 100644
index 0000000..9d6e28c
--- /dev/null
+++ b/src/engine/user/cursor.cpp
@@ -0,0 +1,43 @@
+#include "cursor.hpp"
+
+#include "engine/escape.hpp"
+
+#include <cstdlib>
+#include <iostream>
+
+CursorController::CursorController(IVector2Factory vector2_factory)
+	: _vector2_factory(vector2_factory)
+{
+}
+
+void CursorController::move_to(const IVector2 &pos)
+{
+	fmt::print(MOVE_CURSOR_TO, fmt::arg("esc", ESC), fmt::arg("row", pos.y()),
+			   fmt::arg("column", pos.x()));
+	std::cout.flush();
+}
+
+std::shared_ptr<IVector2> CursorController::where()
+{
+	fmt::print(REQUEST_CURSOR_POSITION, fmt::arg("esc", ESC));
+	std::cout.flush();
+
+	IVector2Options vector2_options = {};
+
+	// NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
+	scanf("\033[%u;%uR", &vector2_options.y, &vector2_options.x);
+
+	return _vector2_factory(vector2_options);
+}
+
+void CursorController::hide()
+{
+	fmt::print(CURSOR_INVISIBLE, fmt::arg("esc", ESC));
+	std::cout.flush();
+}
+
+void CursorController::show()
+{
+	fmt::print(CURSOR_VISIBLE, fmt::arg("esc", ESC));
+	std::cout.flush();
+}
diff --git a/src/engine/user/cursor.hpp b/src/engine/user/cursor.hpp
new file mode 100644
index 0000000..0317dc5
--- /dev/null
+++ b/src/engine/user/cursor.hpp
@@ -0,0 +1,45 @@
+#pragma once
+
+#include "DI/auto_wirable.hpp"
+#include "interfaces/direction.hpp"
+#include "interfaces/vector2.hpp"
+
+#include "fmt/core.h"
+#include <array>
+#include <memory>
+#include <unordered_map>
+
+constexpr std::string_view MOVE_CURSOR_UP = "{esc}[{amount}A";
+constexpr std::string_view MOVE_CURSOR_DOWN = "{esc}[{amount}B";
+constexpr std::string_view MOVE_CURSOR_LEFT = "{esc}[{amount}D";
+constexpr std::string_view MOVE_CURSOR_RIGHT = "{esc}[{amount}C";
+
+constexpr fmt::string_view MOVE_CURSOR_TO = "{esc}[{row};{column}H";
+
+constexpr fmt::string_view REQUEST_CURSOR_POSITION = "{esc}[6n";
+
+constexpr fmt::string_view CURSOR_VISIBLE = "{esc}[?25h";
+constexpr fmt::string_view CURSOR_INVISIBLE = "{esc}[?25l";
+
+class CursorController
+	: public AutoWirable<CursorController, CursorController, IVector2Factory>
+{
+public:
+	explicit CursorController(IVector2Factory vector2_factory);
+
+	template <Direction::value_type direction>
+	constexpr void move(const unsigned int &amount) const;
+
+	static void move_to(const IVector2 &pos);
+
+	static void hide();
+
+	static void show();
+
+	[[nodiscard]] std::shared_ptr<IVector2> where();
+
+private:
+	IVector2Factory _vector2_factory;
+};
+
+#include "cursor.tpp"
diff --git a/src/engine/user/cursor.tpp b/src/engine/user/cursor.tpp
new file mode 100644
index 0000000..224418e
--- /dev/null
+++ b/src/engine/user/cursor.tpp
@@ -0,0 +1,31 @@
+#pragma once
+
+#include "cursor.hpp"
+
+#include "engine/escape.hpp"
+
+#include <iostream>
+
+constexpr auto get_direction_format_map()
+{
+	std::array<std::string_view, 4> direction_format_map;
+
+	direction_format_map[Direction::UP] = MOVE_CURSOR_UP;
+	direction_format_map[Direction::DOWN] = MOVE_CURSOR_DOWN;
+	direction_format_map[Direction::LEFT] = MOVE_CURSOR_LEFT;
+	direction_format_map[Direction::RIGHT] = MOVE_CURSOR_RIGHT;
+
+	return direction_format_map;
+}
+
+template <Direction::value_type direction>
+constexpr void CursorController::move(const unsigned int &amount) const
+{
+	constexpr auto direction_format_map = get_direction_format_map();
+
+	constexpr auto format = direction_format_map[direction];
+
+	fmt::vprint(format,
+				fmt::make_format_args(fmt::arg("esc", ESC), fmt::arg("amount", amount)));
+	std::cout.flush();
+}
-- 
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