Mercurial > sdl-ios-xcode
annotate docs/html/sdlupdaterect.html @ 1282:217f5d5a49e5
Date: Sat, 15 Jan 2005 02:01:51 +0000 (UTC)
From: jimrandomh
Subject: [SDL] Re: Modifier keys pressed during initialization stick
I wrote a simple test program which initializes SDL, prints the SDL
version number, then prints any keydown and keyup events with their
modifiers. (Source code below). Compilation was done using Visual
Studio 6, release mode.
My test sequence was:
Start a command prompt. Type the name of the test program.
shift down
enter down (program starts)
Wait for window to appear
enter up
shift up
spacebar down
spacebar up
Under Windows 98, the output was correct:
SDL 1.2.8
left shift down
shift-return down
shift-return up
left shift up
space down
space up
Under Windows 2000 and under Windows XP, the output was:
SDL 1.2.8
shift-space down
shift-space up
Since shift was not held at the time space was pressed, this is
incorrect. Similar results were observed with launching in different
ways (including double-clicking in Windows Explorer), so it does not
depend on the launching terminal.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 29 Jan 2006 07:57:13 +0000 |
parents | 355632dca928 |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_UpdateRect</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="Video" | |
14 HREF="video.html"><LINK | |
15 REL="PREVIOUS" | |
16 TITLE="SDL_SetVideoMode" | |
17 HREF="sdlsetvideomode.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="SDL_UpdateRects" | |
20 HREF="sdlupdaterects.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="sdlsetvideomode.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="sdlupdaterects.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="SDLUPDATERECT" | |
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74 ></A |
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75 >SDL_UpdateRect</H1 |
0 | 76 ><DIV |
77 CLASS="REFNAMEDIV" | |
78 ><A | |
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79 NAME="AEN1355" |
0 | 80 ></A |
81 ><H2 | |
82 >Name</H2 | |
83 >SDL_UpdateRect -- Makes sure the given area is updated on the given screen.</DIV | |
84 ><DIV | |
85 CLASS="REFSYNOPSISDIV" | |
86 ><A | |
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87 NAME="AEN1358" |
0 | 88 ></A |
89 ><H2 | |
90 >Synopsis</H2 | |
91 ><DIV | |
92 CLASS="FUNCSYNOPSIS" | |
93 ><A | |
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94 NAME="AEN1359" |
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_UpdateRect</B | |
108 ></CODE | |
109 >(SDL_Surface *screen, Sint32 x, Sint32 y, Sint32 w, Sint32 h);</CODE | |
110 ></P | |
111 ><P | |
112 ></P | |
113 ></DIV | |
114 ></DIV | |
115 ><DIV | |
116 CLASS="REFSECT1" | |
117 ><A | |
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118 NAME="AEN1365" |
0 | 119 ></A |
120 ><H2 | |
121 >Description</H2 | |
122 ><P | |
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123 >Makes sure the given area is updated on the given screen. The rectangle must |
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124 be confined within the screen boundaries (no clipping is done).</P |
0 | 125 ><P |
126 >If '<TT | |
127 CLASS="PARAMETER" | |
128 ><I | |
129 >x</I | |
130 ></TT | |
131 >', '<TT | |
132 CLASS="PARAMETER" | |
133 ><I | |
134 >y</I | |
135 ></TT | |
136 >', '<TT | |
137 CLASS="PARAMETER" | |
138 ><I | |
139 >w</I | |
140 ></TT | |
141 >' | |
142 and '<TT | |
143 CLASS="PARAMETER" | |
144 ><I | |
145 >h</I | |
146 ></TT | |
147 >' are all 0, | |
148 <TT | |
149 CLASS="FUNCTION" | |
150 >SDL_UpdateRect</TT | |
151 > will update the | |
152 entire screen.</P | |
153 ><P | |
154 >This function should not be called while '<TT | |
155 CLASS="PARAMETER" | |
156 ><I | |
157 >screen</I | |
158 ></TT | |
159 >' is | |
160 <A | |
161 HREF="sdllocksurface.html" | |
162 >locked</A | |
163 >.</P | |
164 ></DIV | |
165 ><DIV | |
166 CLASS="REFSECT1" | |
167 ><A | |
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168 NAME="AEN1377" |
0 | 169 ></A |
170 ><H2 | |
171 >See Also</H2 | |
172 ><P | |
173 ><A | |
174 HREF="sdlupdaterects.html" | |
175 ><TT | |
176 CLASS="FUNCTION" | |
177 >SDL_UpdateRects</TT | |
178 ></A | |
179 >, | |
180 <A | |
181 HREF="sdlrect.html" | |
182 ><SPAN | |
183 CLASS="STRUCTNAME" | |
184 >SDL_Rect</SPAN | |
185 ></A | |
186 >, | |
187 <A | |
188 HREF="sdlsurface.html" | |
189 ><SPAN | |
190 CLASS="STRUCTNAME" | |
191 >SDL_Surface</SPAN | |
192 ></A | |
193 >, | |
194 <A | |
195 HREF="sdllocksurface.html" | |
196 ><TT | |
197 CLASS="FUNCTION" | |
198 >SDL_LockSurface</TT | |
199 ></A | |
200 ></P | |
201 ></DIV | |
202 ><DIV | |
203 CLASS="NAVFOOTER" | |
204 ><HR | |
205 ALIGN="LEFT" | |
206 WIDTH="100%"><TABLE | |
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207 SUMMARY="Footer navigation table" |
0 | 208 WIDTH="100%" |
209 BORDER="0" | |
210 CELLPADDING="0" | |
211 CELLSPACING="0" | |
212 ><TR | |
213 ><TD | |
214 WIDTH="33%" | |
215 ALIGN="left" | |
216 VALIGN="top" | |
217 ><A | |
218 HREF="sdlsetvideomode.html" | |
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219 ACCESSKEY="P" |
0 | 220 >Prev</A |
221 ></TD | |
222 ><TD | |
223 WIDTH="34%" | |
224 ALIGN="center" | |
225 VALIGN="top" | |
226 ><A | |
227 HREF="index.html" | |
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228 ACCESSKEY="H" |
0 | 229 >Home</A |
230 ></TD | |
231 ><TD | |
232 WIDTH="33%" | |
233 ALIGN="right" | |
234 VALIGN="top" | |
235 ><A | |
236 HREF="sdlupdaterects.html" | |
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237 ACCESSKEY="N" |
0 | 238 >Next</A |
239 ></TD | |
240 ></TR | |
241 ><TR | |
242 ><TD | |
243 WIDTH="33%" | |
244 ALIGN="left" | |
245 VALIGN="top" | |
246 >SDL_SetVideoMode</TD | |
247 ><TD | |
248 WIDTH="34%" | |
249 ALIGN="center" | |
250 VALIGN="top" | |
251 ><A | |
252 HREF="video.html" | |
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253 ACCESSKEY="U" |
0 | 254 >Up</A |
255 ></TD | |
256 ><TD | |
257 WIDTH="33%" | |
258 ALIGN="right" | |
259 VALIGN="top" | |
260 >SDL_UpdateRects</TD | |
261 ></TR | |
262 ></TABLE | |
263 ></DIV | |
264 ></BODY | |
265 ></HTML | |
266 > |