Get UTF-8 text from the primary selection, which must be freed with SDL_free().
char * SDL_GetPrimarySelectionText(void);
Returns the primary selection text on success or an empty string on failure; call SDL_GetError() for more information. Caller must call SDL_free() on the returned pointer when done with it (even if there was an error).
This functions returns empty string if there was not enough memory left for a copy of the primary selection's content.
This function is available since SDL 2.26.1.