eglo.h

/**
 * eglo -- Minimalistic X11/EGL abstraction for Pocket C.H.I.P
 * Copyright (c) 2016, 2017, 2018 Thomas Perl <m@thp.io>.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 **/


#pragma once

#ifdef __cplusplus
extern "C" {
#endif

enum EgloEventType {
    EGLO_NONE = 0,
    EGLO_QUIT,
    EGLO_KEY_DOWN,
    EGLO_KEY_UP,
    EGLO_MOUSE_DOWN,
    EGLO_MOUSE_MOTION,
    EGLO_MOUSE_UP,
};

typedef union _EgloEvent {
    int type;
    struct {
        int type;
        int key; // X KeySym from X11/keysym.h
    } key;
    struct {
        int type;
        int x;
        int y;
    } mouse;
} EgloEvent;

int eglo_init(int *width, int *height, int gles_version);
int eglo_next_event(EgloEvent *event);
void eglo_swap_buffers();
void eglo_quit();

#ifdef __cplusplus
};
#endif