SDL_HINT_GDK_TEXTINPUT_MAX_LENGTH - Man Page

#include <SDL3/SDL_hints.h>

#define SDL_HINT_GDK_TEXTINPUT_MAX_LENGTH "SDL_GDK_TEXTINPUT_MAX_LENGTH"

The value must be a stringified integer, for example "10" to allow for up to 10 characters of text input.

This hint is available only if SDL_GDK_TEXTINPUT defined.

This hint should be set before calling SDL_StartTextInput()

This hint is available since SDL 3.2.0.