Mercurial > sdl-ios-xcode
annotate docs/html/sdlgetkeystate.html @ 910:4ab6d1fd028f
Date: Sat, 26 Jun 2004 14:58:42 +0300
From: "Mike Gorchak"
Subject: QNX 6.3 fixes for SDL
Sam, I've added new OpenGL framework for SDL, which appeared in the new QNX version - 6.3. I've leave compatibility with previous QNX versions. And I've moved all GL specific functions to the separate module, like it done for the other platforms.
SDL is now ready for the QNX 6.3 :)
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 18 Jul 2004 19:46:38 +0000 |
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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 1.76b+ |
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_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 | |
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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="sdleventstate.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="sdlgetmodstate.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="SDLGETKEYSTATE" | |
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74 ></A |
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75 >SDL_GetKeyState</H1 |
0 | 76 ><DIV |
77 CLASS="REFNAMEDIV" | |
78 ><A | |
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79 NAME="AEN5686" |
0 | 80 ></A |
81 ><H2 | |
82 >Name</H2 | |
83 >SDL_GetKeyState -- Get a snapshot of the current keyboard state</DIV | |
84 ><DIV | |
85 CLASS="REFSYNOPSISDIV" | |
86 ><A | |
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87 NAME="AEN5689" |
0 | 88 ></A |
89 ><H2 | |
90 >Synopsis</H2 | |
91 ><DIV | |
92 CLASS="FUNCSYNOPSIS" | |
93 ><A | |
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94 NAME="AEN5690" |
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 >Uint8 *<B | |
106 CLASS="FSFUNC" | |
107 >SDL_GetKeyState</B | |
108 ></CODE | |
109 >(int *numkeys);</CODE | |
110 ></P | |
111 ><P | |
112 ></P | |
113 ></DIV | |
114 ></DIV | |
115 ><DIV | |
116 CLASS="REFSECT1" | |
117 ><A | |
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118 NAME="AEN5696" |
0 | 119 ></A |
120 ><H2 | |
121 >Description</H2 | |
122 ><P | |
123 >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 | |
124 CLASS="PARAMETER" | |
125 ><I | |
126 >numkeys</I | |
127 ></TT | |
128 >. The array is indexed by the <A | |
129 HREF="sdlkey.html" | |
130 ><TT | |
131 CLASS="LITERAL" | |
132 >SDLK_*</TT | |
133 ></A | |
181
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134 > 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 | 135 ><DIV |
136 CLASS="NOTE" | |
137 ><BLOCKQUOTE | |
138 CLASS="NOTE" | |
139 ><P | |
140 ><B | |
141 >Note: </B | |
142 >Use <A | |
143 HREF="sdlpumpevents.html" | |
144 ><TT | |
145 CLASS="FUNCTION" | |
146 >SDL_PumpEvents</TT | |
147 ></A | |
148 > to update the state array.</P | |
149 ></BLOCKQUOTE | |
150 ></DIV | |
151 ></DIV | |
152 ><DIV | |
153 CLASS="REFSECT1" | |
154 ><A | |
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155 NAME="AEN5706" |
0 | 156 ></A |
157 ><H2 | |
158 >Example</H2 | |
159 ><P | |
160 ><PRE | |
161 CLASS="PROGRAMLISTING" | |
162 >Uint8 *keystate = SDL_GetKeyState(NULL); | |
163 if ( keystate[SDLK_RETURN] ) printf("Return Key Pressed.\n");</PRE | |
164 ></P | |
165 ></DIV | |
166 ><DIV | |
167 CLASS="REFSECT1" | |
168 ><A | |
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169 NAME="AEN5710" |
0 | 170 ></A |
171 ><H2 | |
172 >See Also</H2 | |
173 ><P | |
174 ><A | |
175 HREF="sdlkey.html" | |
176 ><TT | |
177 CLASS="LITERAL" | |
178 >SDL Key Symbols</TT | |
179 ></A | |
180 >, | |
181 <A | |
182 HREF="sdlpumpevents.html" | |
183 ><TT | |
184 CLASS="FUNCTION" | |
185 >SDL_PumpEvents</TT | |
186 ></A | |
187 ></P | |
188 ></DIV | |
189 ><DIV | |
190 CLASS="NAVFOOTER" | |
191 ><HR | |
192 ALIGN="LEFT" | |
193 WIDTH="100%"><TABLE | |
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194 SUMMARY="Footer navigation table" |
0 | 195 WIDTH="100%" |
196 BORDER="0" | |
197 CELLPADDING="0" | |
198 CELLSPACING="0" | |
199 ><TR | |
200 ><TD | |
201 WIDTH="33%" | |
202 ALIGN="left" | |
203 VALIGN="top" | |
204 ><A | |
205 HREF="sdleventstate.html" | |
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206 ACCESSKEY="P" |
0 | 207 >Prev</A |
208 ></TD | |
209 ><TD | |
210 WIDTH="34%" | |
211 ALIGN="center" | |
212 VALIGN="top" | |
213 ><A | |
214 HREF="index.html" | |
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215 ACCESSKEY="H" |
0 | 216 >Home</A |
217 ></TD | |
218 ><TD | |
219 WIDTH="33%" | |
220 ALIGN="right" | |
221 VALIGN="top" | |
222 ><A | |
223 HREF="sdlgetmodstate.html" | |
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224 ACCESSKEY="N" |
0 | 225 >Next</A |
226 ></TD | |
227 ></TR | |
228 ><TR | |
229 ><TD | |
230 WIDTH="33%" | |
231 ALIGN="left" | |
232 VALIGN="top" | |
233 >SDL_EventState</TD | |
234 ><TD | |
235 WIDTH="34%" | |
236 ALIGN="center" | |
237 VALIGN="top" | |
238 ><A | |
239 HREF="eventfunctions.html" | |
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240 ACCESSKEY="U" |
0 | 241 >Up</A |
242 ></TD | |
243 ><TD | |
244 WIDTH="33%" | |
245 ALIGN="right" | |
246 VALIGN="top" | |
247 >SDL_GetModState</TD | |
248 ></TR | |
249 ></TABLE | |
250 ></DIV | |
251 ></BODY | |
252 ></HTML | |
253 > |