mouse_data.h

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/* This file is part of BlosSOM.
 *
 * Copyright (C) 2021 Sona Molnarova
 *
 * BlosSOM is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 *
 * BlosSOM is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * BlosSOM. If not, see <https://www.gnu.org/licenses/>.
 */
 
#ifndef MOUSE_DATA_H
#define MOUSE_DATA_H
 
#include <glm/glm.hpp>
 
/**
 * @brief Mouse events data storage.
 *
 */
struct MouseData
{
    /** Left, right or middle button.*/
    int button;
    /** Pressed, released or held button.*/
    int action;
 
    /** Offset of the mouse wheel along x-axis.*/
    double xoffset;
    /** Offset of the mouse wheel along y-axis.*/
    double yoffset;
 
    /** Raw mouse cursor coordinates on the screen
     *  ([0,0] in the upper left corner).
     *  Have to convert it to coordinates with [0,0] in the middle
     *  of the screen.
     */
    glm::vec2 pos;
 
    MouseData() { reset(); }
 
    void reset()
    {
        button = -1;
        xoffset = 0;
        yoffset = 0;
    }
};
 
#endif // #ifndef MOUSE_DATA_H