Mercurial > sdl-ios-xcode
annotate docs/html/sdlgetkeystate.html @ 701:aaf3b8af6616
Date: Sat, 30 Aug 2003 16:28:10 +0300
From: "Mike Gorchak"
Subject: Re: SDL 1.2.6
- minor changes about shared library building under QNX6 into README.QNX
- added forgotten libSDLmain.a into distribution, SDL.qpg.in
- added header guards to the all headers.
- fixed fullscreen double buffered mode.
- fixed Photon crashes after/during using fullscreen OpenGL modes.
- added GL_MakeCurrent function.
- added SDL_VIDEOEXPOSE event, when OpenGL window have been resized
- added more HAVE_OPENGL checks to avoid dead code compilation without using OpenGL
- finished code reorganization (began into previous patches).
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 30 Aug 2003 17:07:59 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_GetKeyState</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
|
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.64 |
| 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_EventState" | |
| 17 HREF="sdleventstate.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_GetModState" | |
| 20 HREF="sdlgetmodstate.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 | |
| 31 WIDTH="100%" | |
| 32 BORDER="0" | |
| 33 CELLPADDING="0" | |
| 34 CELLSPACING="0" | |
| 35 ><TR | |
| 36 ><TH | |
| 37 COLSPAN="3" | |
| 38 ALIGN="center" | |
| 39 >SDL Library Documentation</TH | |
| 40 ></TR | |
| 41 ><TR | |
| 42 ><TD | |
| 43 WIDTH="10%" | |
| 44 ALIGN="left" | |
| 45 VALIGN="bottom" | |
| 46 ><A | |
| 47 HREF="sdleventstate.html" | |
| 48 >Prev</A | |
| 49 ></TD | |
| 50 ><TD | |
| 51 WIDTH="80%" | |
| 52 ALIGN="center" | |
| 53 VALIGN="bottom" | |
| 54 ></TD | |
| 55 ><TD | |
| 56 WIDTH="10%" | |
| 57 ALIGN="right" | |
| 58 VALIGN="bottom" | |
| 59 ><A | |
| 60 HREF="sdlgetmodstate.html" | |
| 61 >Next</A | |
| 62 ></TD | |
| 63 ></TR | |
| 64 ></TABLE | |
| 65 ><HR | |
| 66 ALIGN="LEFT" | |
| 67 WIDTH="100%"></DIV | |
| 68 ><H1 | |
| 69 ><A | |
| 70 NAME="SDLGETKEYSTATE" | |
| 71 >SDL_GetKeyState</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
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76 NAME="AEN5298" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_GetKeyState -- Get a snapshot of the current keyboard state</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSYNOPSISDIV" | |
| 83 ><A | |
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84 NAME="AEN5301" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Synopsis</H2 | |
| 88 ><DIV | |
| 89 CLASS="FUNCSYNOPSIS" | |
| 90 ><A | |
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91 NAME="AEN5302" |
| 0 | 92 ></A |
| 93 ><P | |
| 94 ></P | |
| 95 ><PRE | |
| 96 CLASS="FUNCSYNOPSISINFO" | |
| 97 >#include "SDL.h"</PRE | |
| 98 ><P | |
| 99 ><CODE | |
| 100 ><CODE | |
| 101 CLASS="FUNCDEF" | |
| 102 >Uint8 *<B | |
| 103 CLASS="FSFUNC" | |
| 104 >SDL_GetKeyState</B | |
| 105 ></CODE | |
| 106 >(int *numkeys);</CODE | |
| 107 ></P | |
| 108 ><P | |
| 109 ></P | |
| 110 ></DIV | |
| 111 ></DIV | |
| 112 ><DIV | |
| 113 CLASS="REFSECT1" | |
| 114 ><A | |
|
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115 NAME="AEN5308" |
| 0 | 116 ></A |
| 117 ><H2 | |
| 118 >Description</H2 | |
| 119 ><P | |
| 120 >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 <TT | |
| 121 CLASS="PARAMETER" | |
| 122 ><I | |
| 123 >numkeys</I | |
| 124 ></TT | |
| 125 >. The array is indexed by the <A | |
| 126 HREF="sdlkey.html" | |
| 127 ><TT | |
| 128 CLASS="LITERAL" | |
| 129 >SDLK_*</TT | |
| 130 ></A | |
|
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131 > 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.</P |
| 0 | 132 ><DIV |
| 133 CLASS="NOTE" | |
| 134 ><BLOCKQUOTE | |
| 135 CLASS="NOTE" | |
| 136 ><P | |
| 137 ><B | |
| 138 >Note: </B | |
| 139 >Use <A | |
| 140 HREF="sdlpumpevents.html" | |
| 141 ><TT | |
| 142 CLASS="FUNCTION" | |
| 143 >SDL_PumpEvents</TT | |
| 144 ></A | |
| 145 > to update the state array.</P | |
| 146 ></BLOCKQUOTE | |
| 147 ></DIV | |
| 148 ></DIV | |
| 149 ><DIV | |
| 150 CLASS="REFSECT1" | |
| 151 ><A | |
|
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152 NAME="AEN5318" |
| 0 | 153 ></A |
| 154 ><H2 | |
| 155 >Example</H2 | |
| 156 ><P | |
| 157 ><PRE | |
| 158 CLASS="PROGRAMLISTING" | |
| 159 >Uint8 *keystate = SDL_GetKeyState(NULL); | |
| 160 if ( keystate[SDLK_RETURN] ) printf("Return Key Pressed.\n");</PRE | |
| 161 ></P | |
| 162 ></DIV | |
| 163 ><DIV | |
| 164 CLASS="REFSECT1" | |
| 165 ><A | |
|
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166 NAME="AEN5322" |
| 0 | 167 ></A |
| 168 ><H2 | |
| 169 >See Also</H2 | |
| 170 ><P | |
| 171 ><A | |
| 172 HREF="sdlkey.html" | |
| 173 ><TT | |
| 174 CLASS="LITERAL" | |
| 175 >SDL Key Symbols</TT | |
| 176 ></A | |
| 177 >, | |
| 178 <A | |
| 179 HREF="sdlpumpevents.html" | |
| 180 ><TT | |
| 181 CLASS="FUNCTION" | |
| 182 >SDL_PumpEvents</TT | |
| 183 ></A | |
| 184 ></P | |
| 185 ></DIV | |
| 186 ><DIV | |
| 187 CLASS="NAVFOOTER" | |
| 188 ><HR | |
| 189 ALIGN="LEFT" | |
| 190 WIDTH="100%"><TABLE | |
| 191 WIDTH="100%" | |
| 192 BORDER="0" | |
| 193 CELLPADDING="0" | |
| 194 CELLSPACING="0" | |
| 195 ><TR | |
| 196 ><TD | |
| 197 WIDTH="33%" | |
| 198 ALIGN="left" | |
| 199 VALIGN="top" | |
| 200 ><A | |
| 201 HREF="sdleventstate.html" | |
| 202 >Prev</A | |
| 203 ></TD | |
| 204 ><TD | |
| 205 WIDTH="34%" | |
| 206 ALIGN="center" | |
| 207 VALIGN="top" | |
| 208 ><A | |
| 209 HREF="index.html" | |
| 210 >Home</A | |
| 211 ></TD | |
| 212 ><TD | |
| 213 WIDTH="33%" | |
| 214 ALIGN="right" | |
| 215 VALIGN="top" | |
| 216 ><A | |
| 217 HREF="sdlgetmodstate.html" | |
| 218 >Next</A | |
| 219 ></TD | |
| 220 ></TR | |
| 221 ><TR | |
| 222 ><TD | |
| 223 WIDTH="33%" | |
| 224 ALIGN="left" | |
| 225 VALIGN="top" | |
| 226 >SDL_EventState</TD | |
| 227 ><TD | |
| 228 WIDTH="34%" | |
| 229 ALIGN="center" | |
| 230 VALIGN="top" | |
| 231 ><A | |
| 232 HREF="eventfunctions.html" | |
| 233 >Up</A | |
| 234 ></TD | |
| 235 ><TD | |
| 236 WIDTH="33%" | |
| 237 ALIGN="right" | |
| 238 VALIGN="top" | |
| 239 >SDL_GetModState</TD | |
| 240 ></TR | |
| 241 ></TABLE | |
| 242 ></DIV | |
| 243 ></BODY | |
| 244 ></HTML | |
| 245 > |