(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

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

CategoryAPI, CategoryAPIMacro, CategoryHints