Enumeration of valid key mods (possibly OR'd together).
Defined in <SDL3/SDL_keycode.h>
typedef enum SDL_Keymod
{0x0000, /**< no modifier is applicable. */
SDL_KMOD_NONE = 0x0001, /**< the left Shift key is down. */
SDL_KMOD_LSHIFT = 0x0002, /**< the right Shift key is down. */
SDL_KMOD_RSHIFT = 0x0040, /**< the left Ctrl (Control) key is down. */
SDL_KMOD_LCTRL = 0x0080, /**< the right Ctrl (Control) key is down. */
SDL_KMOD_RCTRL = 0x0100, /**< the left Alt key is down. */
SDL_KMOD_LALT = 0x0200, /**< the right Alt key is down. */
SDL_KMOD_RALT = 0x0400, /**< the left GUI key (often the Windows key) is down. */
SDL_KMOD_LGUI = 0x0800, /**< the right GUI key (often the Windows key) is down. */
SDL_KMOD_RGUI = 0x1000, /**< the Num Lock key (may be located on an extended keypad) is down. */
SDL_KMOD_NUM = 0x2000, /**< the Caps Lock key is down. */
SDL_KMOD_CAPS = 0x4000, /**< the !AltGr key is down. */
SDL_KMOD_MODE = 0x8000, /**< the Scoll Lock key is down. */
SDL_KMOD_SCROLL =
/**< Any Ctrl key is down. */
SDL_KMOD_CTRL = SDL_KMOD_LCTRL | SDL_KMOD_RCTRL, /**< Any Shift key is down. */
SDL_KMOD_SHIFT = SDL_KMOD_LSHIFT | SDL_KMOD_RSHIFT, /**< Any Alt key is down. */
SDL_KMOD_ALT = SDL_KMOD_LALT | SDL_KMOD_RALT, /**< Any GUI key is down. */
SDL_KMOD_GUI = SDL_KMOD_LGUI | SDL_KMOD_RGUI, } SDL_Keymod;
This enum is available since SDL 3.0.0.