engine_input.hpp

/*
 * MIT License
 *
 * Copyright (c) 2024 Giovanni Santini
 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */
 
#pragma once
 
#include <GLFW/glfw3.h>
#include <functional>
#include <string>
#include <unordered_map>
#include <vector>
 
namespace brenta
{
 
namespace types
{
 
typedef std::string mouse_callback_name_t;
 
} // namespace types
 
class input
{
  public:
    input() = delete;
    static void init();
 
    static void add_keyboard_callback(int key, std::function<void()> callback);
    static void remove_keyboard_callback(int key);
    static void key_callback(GLFWwindow *window, int key, int scancode,
                             int action, int mods);
    static void
    add_mouse_pos_callback(types::mouse_callback_name_t name,
                           std::function<void(double, double)> callback);
    static void
    remove_mouse_pos_callback(types::mouse_callback_name_t callback_name);
    static void mouse_pos_callback(GLFWwindow *window, double xpos,
                                   double ypos);
 
  private:
    static std::unordered_map<int, std::function<void()>> keyboard_callbacks;
    static std::unordered_map<std::string, std::function<void(double, double)>>
        mouse_callbacks;
};
 
} // namespace brenta