SDL_SetWindowGrab(sdlwindow, mode);
SDL_SetRelativeMouseMode(mode);
} else if ((e.key.keysym.scancode == SDL_SCANCODE_RETURN) && (e.key.keysym.mod & KMOD_ALT)) {
SDL_SetWindowGrab(sdlwindow, mode);
SDL_SetRelativeMouseMode(mode);
} else if ((e.key.keysym.scancode == SDL_SCANCODE_RETURN) && (e.key.keysym.mod & KMOD_ALT)) {