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annotate docs/man3/SDL_GetKeyState.3 @ 4347:38f22ed3a433 SDL-1.2

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Option to fix bug #851 For some people setting the period size works better (and is what SDL 1.2.13 did), but for most people it's the same or worse. You can use an environment variable to pick which one you want.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 17 Oct 2009 06:55:17 +0000
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1 .TH "SDL_GetKeyState" "3" "Tue 11 Sep 2001, 22:59" "SDL" "SDL API Reference"
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2 .SH "NAME"
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3 SDL_GetKeyState \- Get a snapshot of the current keyboard state
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4 .SH "SYNOPSIS"
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5 .PP
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6 \fB#include "SDL\&.h"
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7 .sp
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8 \fBUint8 *\fBSDL_GetKeyState\fP\fR(\fBint *numkeys\fR);
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9 .SH "DESCRIPTION"
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10 .PP
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11 Gets a snapshot of the current keyboard state\&. The current state is return as a pointer to an array, the size of this array is stored in \fBnumkeys\fR\&. The array is indexed by the \fI\fBSDLK_*\fP\fR symbols\&. A value of 1 means the key is pressed and a value of 0 means its not\&. The pointer returned is a pointer to an internal SDL array and should not be freed by the caller\&.
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12 .PP
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13 .RS
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14 \fBNote:
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15 .PP
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16 Use \fI\fBSDL_PumpEvents\fP\fR to update the state array\&.
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17 .RE
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18 .SH "EXAMPLE"
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19 .PP
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20 .PP
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21 .nf
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22 \f(CWUint8 *keystate = SDL_GetKeyState(NULL);
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23 if ( keystate[SDLK_RETURN] ) printf("Return Key Pressed\&.
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24 ");\fR
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25 .fi
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26 .PP
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27 .SH "SEE ALSO"
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28 .PP
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29 \fI\fBSDL Key Symbols\fP\fR, \fI\fBSDL_PumpEvents\fP\fR
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30 .\" created by instant / docbook-to-man, Tue 11 Sep 2001, 22:59