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annotate docs/man3/SDL_JoystickOpen.3 @ 4327:2b6e3b42f80f SDL-1.2

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Simplify and improve dynamic library detection, taken from SDL_image
author Sam Lantinga <slouken@libsdl.org>
date Tue, 13 Oct 2009 05:20:09 +0000
parents 1238da4a7112
children
rev   line source
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1 .TH "SDL_JoystickOpen" "3" "Tue 11 Sep 2001, 23:00" "SDL" "SDL API Reference"
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2 .SH "NAME"
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3 SDL_JoystickOpen \- Opens a joystick for use\&.
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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 \fBSDL_Joystick *\fBSDL_JoystickOpen\fP\fR(\fBint index\fR);
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9 .SH "DESCRIPTION"
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10 .PP
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11 Opens a joystick for use within SDL\&. The \fBindex\fR refers to the N\&'th joystick in the system\&. A joystick must be opened before it game be used\&.
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12 .SH "RETURN VALUE"
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13 .PP
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14 Returns a \fBSDL_Joystick\fR structure on success\&. \fBNULL\fR on failure\&.
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15 .SH "EXAMPLES"
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16 .PP
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17 .PP
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18 .nf
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19 \f(CWSDL_Joystick *joy;
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20 // Check for joystick
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21 if(SDL_NumJoysticks()>0){
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22 // Open joystick
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23 joy=SDL_JoystickOpen(0);
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24
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25 if(joy)
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26 {
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27 printf("Opened Joystick 0
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28 ");
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29 printf("Name: %s
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30 ", SDL_JoystickName(0));
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31 printf("Number of Axes: %d
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32 ", SDL_JoystickNumAxes(joy));
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33 printf("Number of Buttons: %d
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34 ", SDL_JoystickNumButtons(joy));
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35 printf("Number of Balls: %d
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36 ", SDL_JoystickNumBalls(joy));
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37 }
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38 else
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39 printf("Couldn\&'t open Joystick 0
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40 ");
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41
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42 // Close if opened
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43 if(SDL_JoystickOpened(0))
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44 SDL_JoystickClose(joy);
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45 }\fR
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46 .fi
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47 .PP
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48 .SH "SEE ALSO"
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49 .PP
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50 \fI\fBSDL_JoystickClose\fP\fR
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51 .\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:00