#include <SDL2/SDL.h>

int main(int argc, char **argv) {
    SDL_Init(SDL_INIT_VIDEO);
    SDL_Window* window = SDL_CreateWindow(NULL, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 800, 600, 0);
    SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, 0);

    SDL_Event e;
    while (1) {
        while (SDL_PollEvent(&e) != 0) {
            if (e.type == SDL_QUIT) {
                return 0;
            }
            if (e.type == SDL_KEYDOWN && e.key.keysym.sym == SDLK_F1) {
                SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN_DESKTOP);
            }
            if (e.type == SDL_KEYDOWN && e.key.keysym.sym == SDLK_F2) {
                SDL_SetWindowFullscreen(window, 0);
                SDL_SetWindowSize(window, 800, 600);  //Comment to avoid the bug
            }
        }
        SDL_RenderClear(renderer);
        SDL_RenderPresent(renderer);
    }
}