SDL Wiki
(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)


Set relative mouse mode.


int SDL_SetRelativeMouseMode(SDL_bool enabled);

Function Parameters

enabled SDL_TRUE to enable relative mode, SDL_FALSE to disable.

Return Value

Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.

If relative mode is not supported, this returns -1.


While the mouse is in relative mode, the cursor is hidden, the mouse position is constrained to the window, and SDL will report continuous relative mouse motion even if the mouse is at the edge of the window.

This function will flush any pending mouse motion.


This function is available since SDL 2.0.0.


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