(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_PenButtonEvent

Pressure-sensitive pen button event structure (event.pbutton.*)

Header File

Defined in <SDL3/SDL_events.h>

Syntax

typedef struct SDL_PenButtonEvent
{
    SDL_EventType type; /**< SDL_EVENT_PEN_BUTTON_DOWN or SDL_EVENT_PEN_BUTTON_UP */
    Uint32 reserved;
    Uint64 timestamp;   /**< In nanoseconds, populated using SDL_GetTicksNS() */
    SDL_WindowID windowID; /**< The window with mouse focus, if any */
    SDL_PenID which;        /**< The pen instance id */
    SDL_PenInputFlags pen_state;   /**< Complete pen input state at time of event */
    float x;                /**< X coordinate, relative to window */
    float y;                /**< Y coordinate, relative to window */
    Uint8 button;       /**< The pen button index (first button is 1). */
    bool down;      /**< true if the button is pressed */
} SDL_PenButtonEvent;

Remarks

This is for buttons on the pen itself that the user might click. The pen itself pressing down to draw triggers a SDL_EVENT_PEN_DOWN event instead.

Version

This struct is available since SDL 3.1.3.

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CategoryAPI, CategoryAPIStruct, CategoryEvents

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