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

SDL_HINT_MOUSE_RELATIVE_SCALING

A variable controlling whether relative mouse motion is affected by renderer scaling

Header File

Defined in [SDL_hints.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_hints.h), but apps should _only_ `#include "SDL.h"`!

Syntax

#define SDL_HINT_MOUSE_RELATIVE_SCALING "SDL_MOUSE_RELATIVE_SCALING"

Remarks

This variable can be set to the following values: "0" - Relative motion is unaffected by DPI or renderer's logical size "1" - Relative motion is scaled according to DPI scaling and logical size

By default relative mouse deltas are affected by DPI and renderer scaling

Default

By default relative mouse deltas are affected by DPI and renderer scaling

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CategoryAPI, CategoryAPIMacro, CategoryDefine, CategoryHints

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