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


A variable that specifies a dialog backend to use.

Header File

Defined in <SDL3/SDL_hints.h>




By default, SDL will try all available dialog backends in a reasonable order until it finds one that can work, but this hint allows the app or user to force a specific target.

If the specified target does not exist or is not available, the dialog-related function calls will fail.

This hint currently only applies to platforms using the generic "Unix" dialog implementation, but may be extended to more platforms in the future. Note that some Unix and Unix-like platforms have their own implementation, such as macOS and Haiku.

The variable can be set to the following values:

More options may be added in the future.

This hint can be set anytime.


This hint is available since SDL 3.0.0.

CategoryAPI, CategoryAPIMacro, CategoryHints

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