SDL Wiki
(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)


A variable controlling whether relative mouse mode constrains the mouse to the center of the window.

Header File

Defined in <SDL3/SDL_hints.h>




Constraining to the center of the window works better for FPS games and when the application is running over RDP. Constraining to the whole window works better for 2D games and increases the chance that the mouse will be in the correct position when using high DPI mice.

The variable can be set to the following values:

This hint can be set anytime.


This hint is available since SDL 3.0.0.

CategoryAPI, CategoryAPIMacro, CategoryHints

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