simulate_ukeypress(3)

💖 simulate_ukeypress(3) 💖

okay bestie, so this is a page from the Allegro manual — yes, the Allegro game programming library, she's iconic, she's giving retro game dev realness ✨ — and today we're talking about simulate_ukeypress, which is lowkey one of the most fun little functions in the whole keyboard crew. no cap.

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✨ NAME ✨

simulate_ukeypress — stuffs an unicode key into the keyboard buffer. like, the Allegro game programming library one. that's the vibe. 🎀

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🌸 SYNOPSIS 🌸

#include <allegro.h>

void simulate_ukeypress(int key, int scancode);

look at her. two ints. no return value. she simply does the thing and leaves. main character energy fr fr 💅

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🦋 DESCRIPTION 🦋

okay so here's the tea ☕ — simulate_ukeypress stuffs a key into the keyboard buffer, literally just as if the user had pressed it themselves. like you're manifesting a keystroke into existence. the keyboard doesn't even know it didn't happen. it's giving method acting. 🎭

and the parameter? it's in the same format returned by ureadkey(). so whatever format that function hands you back, that's the format you feed in here. they match. they're matching. it's a set. 🫶

here's the example straight from the source, and yes we're keeping it exactly as written because it's iconic:

/* We ignore the scancode simulation. */
simulate_ukeypress(0x00DF, 0);
if (ureadkey(&scancode) == 0x00DF)
   allegro_message("You simulated sharp s\n");

so what's happening here, bestie? we're pushing in 0x00DF — that's the sharp s (you know the one, the ß, the German letter that looks like a tiny B having a moment) — and we're passing 0 for the scancode because, as the comment says, we ignore the scancode simulation. then we read it back out with ureadkey(&scancode) and if it comes back as 0x00DF, boom, we hit allegro_message("You simulated sharp s\n"). it worked. we ate. 🔥

⚠️ heads up: note that ureadkey takes a pointer to scancode — that ampersand is doing heavy lifting, don't drop it 🙈

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👑 SEE ALSO 👑

go read these too, they're all in the same friend group:

• install_keyboard(3)
• simulate_keypress(3)
• keypressed(3)
• ureadkey(3)

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and that's the whole page, periodt. 🌈 this little masterpiece came to you courtesy of Allegro, version 4.4.3 — she's an older queen but she still slays 💜 🎀 ✨