Mercurial > sdl-ios-xcode
annotate docs/html/sdlpushevent.html @ 172:37e3ca9254c7
Date: Sat, 8 Sep 2001 04:42:23 +0200
From: Max Horn <max@quendi.de>
Subject: SDL/OSX: Joystick; Better key handling
I just finished implementing improved keyhandling for OS X (in fact
the code should be easily ported to the "normal" MacOS part of SDL, I
just had no chance yet). Works like this:
First init the mapping table statically like before. Them, it queries
the OS for the "official" key table, then iterates over all 127
scancode and gets the associates ascii code. It ignores everythng
below 32 (has to, as it would lead to many problems if we did not...
e.g. both ESC and NUM LOCk produce an ascii code 27 on my keyboard),
and all stuff above 127 is mapped to SDLK_WORLD_* simply in the order
it is encountered.
In addition, caps lock is now working, too.
The code work flawless for me, but since I only have one keyboard, I
may have not encountered some serious problem... but I am pretty
confident that it is better than the old code in most cases.
The joystick driver works fine for me, too. I think it can be added
to CVS already. It would simply be helpful if more people would test
it. Hm, I wonder if Maelstrom or GLTron has Joystick support? That
would be a wonderful test application :)
I also took the liberty of modifying some text files like BUGS,
README.CVS, README.MacOSX (which now contains the OS X docs I long
promised)
author | Sam Lantinga <slouken@libsdl.org> |
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date | Tue, 11 Sep 2001 19:00:18 +0000 |
parents | 55f1f1b3e27d |
children | e5bc29de3f0a |
rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_PushEvent</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_WaitEvent" | |
17 HREF="sdlwaitevent.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="SDL_SetEventFilter" | |
20 HREF="sdlseteventfilter.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="sdlwaitevent.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="sdlseteventfilter.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="SDLPUSHEVENT" | |
71 >SDL_PushEvent</A | |
72 ></H1 | |
73 ><DIV | |
74 CLASS="REFNAMEDIV" | |
75 ><A | |
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76 NAME="AEN4993" |
0 | 77 ></A |
78 ><H2 | |
79 >Name</H2 | |
80 >SDL_PushEvent -- Pushes an event onto the event queue</DIV | |
81 ><DIV | |
82 CLASS="REFSYNOPSISDIV" | |
83 ><A | |
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84 NAME="AEN4996" |
0 | 85 ></A |
86 ><H2 | |
87 >Synopsis</H2 | |
88 ><DIV | |
89 CLASS="FUNCSYNOPSIS" | |
90 ><A | |
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91 NAME="AEN4997" |
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 >int <B | |
103 CLASS="FSFUNC" | |
104 >SDL_PushEvent</B | |
105 ></CODE | |
106 >(SDL_Event *event);</CODE | |
107 ></P | |
108 ><P | |
109 ></P | |
110 ></DIV | |
111 ></DIV | |
112 ><DIV | |
113 CLASS="REFSECT1" | |
114 ><A | |
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115 NAME="AEN5003" |
0 | 116 ></A |
117 ><H2 | |
118 >Description</H2 | |
119 ><P | |
120 >The event queue can actually be used as a two way communication channel. Not only can events be read from the queue, but the user can also push their own events onto it. <TT | |
121 CLASS="PARAMETER" | |
122 ><I | |
123 >event</I | |
124 ></TT | |
125 > is a pointer to the event structure you wish to push onto the queue.</P | |
126 ><DIV | |
127 CLASS="NOTE" | |
128 ><BLOCKQUOTE | |
129 CLASS="NOTE" | |
130 ><P | |
131 ><B | |
132 >Note: </B | |
133 >Pushing device input events onto the queue doesn't modify the state of the device within SDL.</P | |
134 ></BLOCKQUOTE | |
135 ></DIV | |
136 ></DIV | |
137 ><DIV | |
138 CLASS="REFSECT1" | |
139 ><A | |
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140 NAME="AEN5009" |
0 | 141 ></A |
142 ><H2 | |
143 >Return Value</H2 | |
144 ><P | |
145 >Returns <SPAN | |
146 CLASS="RETURNVALUE" | |
147 >0</SPAN | |
148 > on success or <SPAN | |
149 CLASS="RETURNVALUE" | |
150 >-1</SPAN | |
151 > if the event couldn't be pushed.</P | |
152 ></DIV | |
153 ><DIV | |
154 CLASS="REFSECT1" | |
155 ><A | |
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156 NAME="AEN5014" |
0 | 157 ></A |
158 ><H2 | |
159 >Examples</H2 | |
160 ><P | |
161 >See <A | |
162 HREF="sdlevent.html" | |
163 ><SPAN | |
164 CLASS="STRUCTNAME" | |
165 >SDL_Event</SPAN | |
166 ></A | |
167 >.</P | |
168 ></DIV | |
169 ><DIV | |
170 CLASS="REFSECT1" | |
171 ><A | |
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172 NAME="AEN5019" |
0 | 173 ></A |
174 ><H2 | |
175 >See Also</H2 | |
176 ><P | |
177 ><A | |
178 HREF="sdlpollevent.html" | |
179 ><TT | |
180 CLASS="FUNCTION" | |
181 >SDL_PollEvent</TT | |
182 ></A | |
183 >, | |
184 <A | |
185 HREF="sdlpeepevents.html" | |
186 ><TT | |
187 CLASS="FUNCTION" | |
188 >SDL_PeepEvents</TT | |
189 ></A | |
190 >, | |
191 <A | |
192 HREF="sdlevent.html" | |
193 ><SPAN | |
194 CLASS="STRUCTNAME" | |
195 >SDL_Event</SPAN | |
196 ></A | |
197 ></P | |
198 ></DIV | |
199 ><DIV | |
200 CLASS="NAVFOOTER" | |
201 ><HR | |
202 ALIGN="LEFT" | |
203 WIDTH="100%"><TABLE | |
204 WIDTH="100%" | |
205 BORDER="0" | |
206 CELLPADDING="0" | |
207 CELLSPACING="0" | |
208 ><TR | |
209 ><TD | |
210 WIDTH="33%" | |
211 ALIGN="left" | |
212 VALIGN="top" | |
213 ><A | |
214 HREF="sdlwaitevent.html" | |
215 >Prev</A | |
216 ></TD | |
217 ><TD | |
218 WIDTH="34%" | |
219 ALIGN="center" | |
220 VALIGN="top" | |
221 ><A | |
222 HREF="index.html" | |
223 >Home</A | |
224 ></TD | |
225 ><TD | |
226 WIDTH="33%" | |
227 ALIGN="right" | |
228 VALIGN="top" | |
229 ><A | |
230 HREF="sdlseteventfilter.html" | |
231 >Next</A | |
232 ></TD | |
233 ></TR | |
234 ><TR | |
235 ><TD | |
236 WIDTH="33%" | |
237 ALIGN="left" | |
238 VALIGN="top" | |
239 >SDL_WaitEvent</TD | |
240 ><TD | |
241 WIDTH="34%" | |
242 ALIGN="center" | |
243 VALIGN="top" | |
244 ><A | |
245 HREF="eventfunctions.html" | |
246 >Up</A | |
247 ></TD | |
248 ><TD | |
249 WIDTH="33%" | |
250 ALIGN="right" | |
251 VALIGN="top" | |
252 >SDL_SetEventFilter</TD | |
253 ></TR | |
254 ></TABLE | |
255 ></DIV | |
256 ></BODY | |
257 ></HTML | |
258 > |