Mercurial > sdl-ios-xcode
annotate docs/html/sdlsetmodstate.html @ 896:b56dc586a5ef
Date: Tue, 16 Mar 2004 12:40:33 +0000
From: Alan Swanson
Subject: [SDL] [PATCH] Linux joystick evdev axis count fix
The event device configuration under Linux does not check the returned
ioctl value when reading the axis information. This means extra
undefined axes are returned.
Note, in EV_HandleEvents, the default for case EV_ABS is to return any
axis information which is fine as we have already checked for all valid
absolute axes. No new axes should be returned after opening the device.
(Unless, of course, the evdev allows closing and reassigning a new
device while in use and I can't believe that happens.)
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 16 May 2004 22:48:06 +0000 |
| parents | 355632dca928 |
| children |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_SetModState</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
|
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
| 0 | 8 "><LINK |
| 9 REL="HOME" | |
| 10 TITLE="SDL Library Documentation" | |
| 11 HREF="index.html"><LINK | |
| 12 REL="UP" | |
| 13 TITLE="Event Functions." | |
| 14 HREF="eventfunctions.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="SDL_GetModState" | |
| 17 HREF="sdlgetmodstate.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_GetKeyName" | |
| 20 HREF="sdlgetkeyname.html"></HEAD | |
| 21 ><BODY | |
| 22 CLASS="REFENTRY" | |
| 23 BGCOLOR="#FFF8DC" | |
| 24 TEXT="#000000" | |
| 25 LINK="#0000ee" | |
| 26 VLINK="#551a8b" | |
| 27 ALINK="#ff0000" | |
| 28 ><DIV | |
| 29 CLASS="NAVHEADER" | |
| 30 ><TABLE | |
|
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31 SUMMARY="Header navigation table" |
| 0 | 32 WIDTH="100%" |
| 33 BORDER="0" | |
| 34 CELLPADDING="0" | |
| 35 CELLSPACING="0" | |
| 36 ><TR | |
| 37 ><TH | |
| 38 COLSPAN="3" | |
| 39 ALIGN="center" | |
| 40 >SDL Library Documentation</TH | |
| 41 ></TR | |
| 42 ><TR | |
| 43 ><TD | |
| 44 WIDTH="10%" | |
| 45 ALIGN="left" | |
| 46 VALIGN="bottom" | |
| 47 ><A | |
| 48 HREF="sdlgetmodstate.html" | |
|
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49 ACCESSKEY="P" |
| 0 | 50 >Prev</A |
| 51 ></TD | |
| 52 ><TD | |
| 53 WIDTH="80%" | |
| 54 ALIGN="center" | |
| 55 VALIGN="bottom" | |
| 56 ></TD | |
| 57 ><TD | |
| 58 WIDTH="10%" | |
| 59 ALIGN="right" | |
| 60 VALIGN="bottom" | |
| 61 ><A | |
| 62 HREF="sdlgetkeyname.html" | |
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63 ACCESSKEY="N" |
| 0 | 64 >Next</A |
| 65 ></TD | |
| 66 ></TR | |
| 67 ></TABLE | |
| 68 ><HR | |
| 69 ALIGN="LEFT" | |
| 70 WIDTH="100%"></DIV | |
| 71 ><H1 | |
| 72 ><A | |
| 73 NAME="SDLSETMODSTATE" | |
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74 ></A |
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75 >SDL_SetModState</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN5752" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_SetModState -- Set the current key modifier state</DIV | |
| 84 ><DIV | |
| 85 CLASS="REFSYNOPSISDIV" | |
| 86 ><A | |
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87 NAME="AEN5755" |
| 0 | 88 ></A |
| 89 ><H2 | |
| 90 >Synopsis</H2 | |
| 91 ><DIV | |
| 92 CLASS="FUNCSYNOPSIS" | |
| 93 ><A | |
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94 NAME="AEN5756" |
| 0 | 95 ></A |
| 96 ><P | |
| 97 ></P | |
| 98 ><PRE | |
| 99 CLASS="FUNCSYNOPSISINFO" | |
| 100 >#include "SDL.h"</PRE | |
| 101 ><P | |
| 102 ><CODE | |
| 103 ><CODE | |
| 104 CLASS="FUNCDEF" | |
| 105 >void <B | |
| 106 CLASS="FSFUNC" | |
| 107 >SDL_SetModState</B | |
| 108 ></CODE | |
| 109 >(SDLMod modstate);</CODE | |
| 110 ></P | |
| 111 ><P | |
| 112 ></P | |
| 113 ></DIV | |
| 114 ></DIV | |
| 115 ><DIV | |
| 116 CLASS="REFSECT1" | |
| 117 ><A | |
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118 NAME="AEN5762" |
| 0 | 119 ></A |
| 120 ><H2 | |
| 121 >Description</H2 | |
| 122 ><P | |
| 123 >The inverse of <A | |
| 124 HREF="sdlgetmodstate.html" | |
| 125 ><TT | |
| 126 CLASS="FUNCTION" | |
| 127 >SDL_GetModState</TT | |
| 128 ></A | |
| 129 >, <TT | |
| 130 CLASS="FUNCTION" | |
| 131 >SDL_SetModState</TT | |
| 132 > allows you to impose modifier key states on your application.</P | |
| 133 ><P | |
| 134 >Simply pass your desired modifier states into <TT | |
| 135 CLASS="PARAMETER" | |
| 136 ><I | |
| 137 >modstate</I | |
| 138 ></TT | |
| 139 >. This value my be a logical OR'd combination of the following:</P | |
| 140 ><PRE | |
| 141 CLASS="PROGRAMLISTING" | |
| 142 >typedef enum { | |
| 143 KMOD_NONE = 0x0000, | |
| 144 KMOD_LSHIFT= 0x0001, | |
| 145 KMOD_RSHIFT= 0x0002, | |
| 146 KMOD_LCTRL = 0x0040, | |
| 147 KMOD_RCTRL = 0x0080, | |
| 148 KMOD_LALT = 0x0100, | |
| 149 KMOD_RALT = 0x0200, | |
| 150 KMOD_LMETA = 0x0400, | |
| 151 KMOD_RMETA = 0x0800, | |
| 152 KMOD_NUM = 0x1000, | |
| 153 KMOD_CAPS = 0x2000, | |
| 154 KMOD_MODE = 0x4000, | |
| 155 } SDLMod;</PRE | |
| 156 ></DIV | |
| 157 ><DIV | |
| 158 CLASS="REFSECT1" | |
| 159 ><A | |
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160 NAME="AEN5771" |
| 0 | 161 ></A |
| 162 ><H2 | |
| 163 >See Also</H2 | |
| 164 ><P | |
| 165 ><A | |
| 166 HREF="sdlgetmodstate.html" | |
| 167 ><TT | |
| 168 CLASS="FUNCTION" | |
| 169 >SDL_GetModState</TT | |
| 170 ></A | |
| 171 ></P | |
| 172 ></DIV | |
| 173 ><DIV | |
| 174 CLASS="NAVFOOTER" | |
| 175 ><HR | |
| 176 ALIGN="LEFT" | |
| 177 WIDTH="100%"><TABLE | |
|
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178 SUMMARY="Footer navigation table" |
| 0 | 179 WIDTH="100%" |
| 180 BORDER="0" | |
| 181 CELLPADDING="0" | |
| 182 CELLSPACING="0" | |
| 183 ><TR | |
| 184 ><TD | |
| 185 WIDTH="33%" | |
| 186 ALIGN="left" | |
| 187 VALIGN="top" | |
| 188 ><A | |
| 189 HREF="sdlgetmodstate.html" | |
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190 ACCESSKEY="P" |
| 0 | 191 >Prev</A |
| 192 ></TD | |
| 193 ><TD | |
| 194 WIDTH="34%" | |
| 195 ALIGN="center" | |
| 196 VALIGN="top" | |
| 197 ><A | |
| 198 HREF="index.html" | |
|
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199 ACCESSKEY="H" |
| 0 | 200 >Home</A |
| 201 ></TD | |
| 202 ><TD | |
| 203 WIDTH="33%" | |
| 204 ALIGN="right" | |
| 205 VALIGN="top" | |
| 206 ><A | |
| 207 HREF="sdlgetkeyname.html" | |
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208 ACCESSKEY="N" |
| 0 | 209 >Next</A |
| 210 ></TD | |
| 211 ></TR | |
| 212 ><TR | |
| 213 ><TD | |
| 214 WIDTH="33%" | |
| 215 ALIGN="left" | |
| 216 VALIGN="top" | |
| 217 >SDL_GetModState</TD | |
| 218 ><TD | |
| 219 WIDTH="34%" | |
| 220 ALIGN="center" | |
| 221 VALIGN="top" | |
| 222 ><A | |
| 223 HREF="eventfunctions.html" | |
|
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224 ACCESSKEY="U" |
| 0 | 225 >Up</A |
| 226 ></TD | |
| 227 ><TD | |
| 228 WIDTH="33%" | |
| 229 ALIGN="right" | |
| 230 VALIGN="top" | |
| 231 >SDL_GetKeyName</TD | |
| 232 ></TR | |
| 233 ></TABLE | |
| 234 ></DIV | |
| 235 ></BODY | |
| 236 ></HTML | |
| 237 > |