Function std::gui_headless_key
void gui_headless_key(&GuiWindow win, int keycode, int modifiers, unsigned int codepoint)KEY_DOWN then KEY_UP; 'codepoint' (0 for none) rides on the KEY_DOWN.
void gui_headless_key(&GuiWindow win, int keycode, int modifiers, unsigned int codepoint)KEY_DOWN then KEY_UP; 'codepoint' (0 for none) rides on the KEY_DOWN.