#ifndef GUI_H
#define GUI_H

#include <stdint.h>

#define GUI_EVENT_CLOSE_WINDOW      1u
#define GUI_EVENT_EXPOSE            2u
#define GUI_EVENT_KEY_PRESS         3u
#define GUI_EVENT_KEY_RELEASE       4u
#define GUI_EVENT_BUTTON_PRESS      5u
#define GUI_EVENT_BUTTON_RELEASE    6u

typedef struct
{
    uint32_t key;
    uint8_t mods;
} Gui_KeyEvent;

typedef struct
{
    uint8_t button;
} Gui_ButtonEvent;

typedef struct
{
    uint8_t type;
    union
    {
        Gui_KeyEvent key;
        Gui_ButtonEvent button;
    };
} Gui_Event;

bool Gui_Init();
void * Gui_CreateWindow();
void Gui_SwapBuffers(void * window);
void Gui_CloseWindow(void * window);
void Gui_WaitForEvent(Gui_Event * event);

#endif