Get UTF-8 text from the primary selection.
Defined in <SDL3/SDL_clipboard.h>
char * SDL_GetPrimarySelectionText(void);
(char *) Returns the primary selection text on success or an empty string on failure; call SDL_GetError() for more information. This should be freed with SDL_free() when it is no longer needed.
This functions returns an empty string if there was not enough memory left for a copy of the primary selection's content.
This function should only be called on the main thread.
This function is available since SDL 3.1.3.