mlx_mouse.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        ::::::::            */
/*   mlx_mouse.c                                        :+:    :+:            */
/*                                                     +:+                    */
/*   By: W2Wizard <main@w2wizard.dev>                 +#+                     */
/*                                                   +#+                      */
/*   Created: 2022/01/01 23:20:13 by W2Wizard      #+#    #+#                 */
/*   Updated: 2022/06/29 15:34:25 by lde-la-h      ########   odam.nl         */
/*                                                                            */
/* ************************************************************************** */
 
#include "MLX42/MLX42_Int.h"
 
//= Private =//
 
static void mlx_scroll_cb(GLFWwindow* window, double xoffset, double yoffset)
{
    const mlx_t* mlx = glfwGetWindowUserPointer(window);
    const mlx_scroll_t scroll_hook = ((mlx_ctx_t*)mlx->context)->scroll_hook;
 
    scroll_hook.func(xoffset, yoffset, scroll_hook.param);
}
 
static void mlx_mouse_cb(GLFWwindow* window, int32_t button, int32_t action, int32_t mods)
{
    const mlx_t* mlx = glfwGetWindowUserPointer(window);
    const mlx_mouse_t mouse_hook = ((mlx_ctx_t*)mlx->context)->mouse_hook;
 
    mouse_hook.func(button, action, mods, mouse_hook.param);
}
 
static void mlx_cursor_cb(GLFWwindow* window, double xpos, double ypos)
{
    const mlx_t* mlx = glfwGetWindowUserPointer(window);
    const mlx_cursor_t cursor_hook = ((mlx_ctx_t*)mlx->context)->cursor_hook;
 
    cursor_hook.func(xpos, ypos, cursor_hook.param);
}
 
//= Public =//
 
void mlx_scroll_hook(mlx_t* mlx, mlx_scrollfunc func, void* param)
{
    MLX_NONNULL(mlx);
    MLX_NONNULL(func);
 
    mlx_ctx_t* const mlxctx = mlx->context;
    mlxctx->scroll_hook.func = func;
    mlxctx->scroll_hook.param = param;
    glfwSetScrollCallback(mlx->window, mlx_scroll_cb);
}
 
void mlx_mouse_hook(mlx_t* mlx, mlx_mousefunc func, void* param)
{
    MLX_NONNULL(mlx);
    MLX_NONNULL(func);
 
    mlx_ctx_t* const mlxctx = mlx->context;
    mlxctx->mouse_hook.func = func;
    mlxctx->mouse_hook.param = param;
    glfwSetMouseButtonCallback(mlx->window, mlx_mouse_cb);
}
 
void mlx_cursor_hook(mlx_t* mlx, mlx_cursorfunc func, void* param)
{
    MLX_NONNULL(mlx);
    MLX_NONNULL(func);
 
    mlx_ctx_t* const mlxctx = mlx->context;
    mlxctx->cursor_hook.func = func;
    mlxctx->cursor_hook.param = param;
    glfwSetCursorPosCallback(mlx->window, mlx_cursor_cb);
}
 
bool mlx_is_mouse_down(mlx_t* mlx, mouse_key_t key)
{
    MLX_NONNULL(mlx);
 
    return (glfwGetMouseButton(mlx->window, key) == GLFW_PRESS);
}
 
void mlx_set_mouse_pos(mlx_t* mlx, int32_t x, int32_t y)
{
    MLX_NONNULL(mlx);
 
    glfwSetCursorPos(mlx->window, (double)x, (double)y);
}
 
void mlx_get_mouse_pos(mlx_t* mlx, int32_t* x, int32_t* y)
{
    MLX_NONNULL(mlx);
    MLX_NONNULL(x);
    MLX_NONNULL(y);
 
    double xd, yd;
    glfwGetCursorPos(mlx->window, &xd, &yd);
    *x = (int32_t)xd;
    *y = (int32_t)yd;
}