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C++ single character input

General and Gameplay Programming Programming

Started by Spidy September 18, 2006 10:52 PM

7 comments, last by jkleinecke 17 years, 7 months ago

Spidy

126

Author

September 18, 2006 10:52 PM

Hello, everyone. I am looking for a way to read a single character from the keyboard(a,s,e, etc.) and then act on it, without requiring the user to hit enter each time that they input a character. Does anyone know how I would accomplish this with C++? It's preferably that it be doable using only the standard libraries. Thanks, Spidy

chowe6685

349

September 18, 2006 11:13 PM

Can't be done within the standard library. As far as c++ and it's libraries are concerned your computer might not even have a keyboard.

daerid

354

September 18, 2006 11:19 PM

Different platforms have different methods of doing this. For instance on Windows you can use _getch()

daerid@gmail.com

Spidy

126

Author

September 19, 2006 11:02 AM

I'm on a Mac, although I'd like the code to be as cross-platform compatible as possible. The only solution I've come up with is to use OpenGL's keypress handling hooks, but that seems like a bit much.

Anonymous

September 19, 2006 11:42 AM

Quote:Original post by Spidy
I'm on a Mac, although I'd like the code to be as cross-platform compatible as possible. The only solution I've come up with is to use OpenGL's keypress handling hooks, but that seems like a bit much.

OpenGL doesn't handle input - it's just an Open Graphics Library. Perhaps you mean SDL? If so, the way it works is by basically having a different version for each platform, with each version having the same functions implemented in platform-specific ways.

-Extrarius

divineleft

122

September 19, 2006 11:45 AM

If you're using windows, use this:

#include <conio.h>int main(){    char test;    test = _getch();}

if not I know there are some libraries for linux that support it, just google serach it

edit: sorry, just read you're on a mac. I have no experience there.

ChopperDave

228

September 19, 2006 12:02 PM

Maybe try the get function?

Spidy

126

Author

September 19, 2006 04:35 PM

Quote:Original post by Anonymous Poster
Quote:Original post by Spidy
I'm on a Mac, although I'd like the code to be as cross-platform compatible as possible. The only solution I've come up with is to use OpenGL's keypress handling hooks, but that seems like a bit much.
OpenGL doesn't handle input - it's just an Open Graphics Library. Perhaps you mean SDL? If so, the way it works is by basically having a different version for each platform, with each version having the same functions implemented in platform-specific ways.

-Extrarius

I realized right after writing the post that I meant GLUT. Whoops.