SDL_AddHintCallback(3)

💖 SDL_AddHintCallback(3) 💖

okay bestie, welcome to the SDL3 FUNCTIONS corner of the manual, where today's main character is SDL_AddHintCallback ✨

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🌸 NAME 🌸

SDL_AddHintCallback — add a function to watch a particular hint 👀

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✨ SYNOPSIS ✨

#include <SDL3/SDL_hints.h>

bool SDL_AddHintCallback(const char *name, SDL_HintCallback callback, void *userdata);

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🦋 DESCRIPTION 🦋

so here's the vibe: your callback function gets called during this function, like, immediately, so it can hand you an initial value right away. and then it gets called again every single time that hint's value changes. it's giving "watch this" energy, fr fr 🔥

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🎀 FUNCTION PARAMETERS 🎀

• name — the hint to watch. yes, the specific one. your lil object of obsession 💅
• callback — an SDL_HintCallback function that will be called when the hint value changes. this is the one doing all the yapping when something updates 🫶
• userdata — a pointer to pass to the callback function. lil care package, hand-delivered 📦

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⭐ RETURN VALUE ⭐

returns true on success or false on failure. and if it flops? call SDL_GetError() for more info, because we always get the receipts 😭

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💜 THREAD SAFETY 💜

it is safe to call this function from any thread. periodt. no notes. any thread, any time, slay 👑

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🌈 AVAILABILITY 🌈

this function is available since SDL 3.2.0 ✨ (yes she's a newer girlie, respect her)

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🔥 SEE ALSO 🔥

• SDL_RemoveHintCallback(3) — because eventually you gotta let go 🥲

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and that's the whole page, bestie 💖 this one lives in the Simple Directmedia Layer manual, rocking SDL 3.4.18 — so yeah, that's the version, that's the source, go forth and watch those hints like the icon you are 🌸💅🦋