# SDL_PenInputFlags

Pen input flags, as reported by various pen events' `pen_state` field.

## Header File

Defined in [<SDL3/SDL_pen.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_pen.h)

## Syntax

```c
typedef Uint32 SDL_PenInputFlags;

#define SDL_PEN_INPUT_DOWN       (1u << 0)  /**< pen is pressed down */
#define SDL_PEN_INPUT_BUTTON_1   (1u << 1)  /**< button 1 is pressed */
#define SDL_PEN_INPUT_BUTTON_2   (1u << 2)  /**< button 2 is pressed */
#define SDL_PEN_INPUT_BUTTON_3   (1u << 3)  /**< button 3 is pressed */
#define SDL_PEN_INPUT_BUTTON_4   (1u << 4)  /**< button 4 is pressed */
#define SDL_PEN_INPUT_BUTTON_5   (1u << 5)  /**< button 5 is pressed */
#define SDL_PEN_INPUT_ERASER_TIP (1u << 30) /**< eraser tip is used */
```

## Version

This datatype is available since SDL 3.2.0.

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[CategoryAPI](CategoryAPI), [CategoryAPIDatatype](CategoryAPIDatatype), [CategoryPen](CategoryPen)