Mercurial > sdl-ios-xcode
annotate docs/html/sdlpeepevents.html @ 641:df178851293b
Date: 28 Jun 2003 22:42:52 +0100
From: Alan Swanson
Subject: Re: [SDL] New XFree 4.3 Video Mode Patch
I have a wee amendment that moves the qsort in set_best_resolution
to only occur after failing to find an exact match only. This would
make absolutely sure we get a user set mode.
While I've never had any problems for my normal resolutions (1280x1024,
1024x768, 800x600 & 640,480) while closely examining the output from
qsort I've noticed it doesn't seem to sort the modes fully. These is
one definite wrong at 1152x768 and a few that just look wrong to me.
From a program (attached) I made to examine this more easily. X has
sorted its mode list using the same method as ours (plus frequency),
and our user modes get inserted without any other movement.
On the patch I've made I've also changed cmpmodes to sort on vertical
resolution and then horizontal. Ie vertical is now most significant
bit.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 28 Jun 2003 21:52:26 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_PeepEvents</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_PumpEvents" | |
| 17 HREF="sdlpumpevents.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_PollEvent" | |
| 20 HREF="sdlpollevent.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="sdlpumpevents.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="sdlpollevent.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="SDLPEEPEVENTS" | |
| 71 >SDL_PeepEvents</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
|
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76 NAME="AEN5037" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_PeepEvents -- Checks the event queue for messages and optionally returns them.</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSYNOPSISDIV" | |
| 83 ><A | |
|
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84 NAME="AEN5040" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Synopsis</H2 | |
| 88 ><DIV | |
| 89 CLASS="FUNCSYNOPSIS" | |
| 90 ><A | |
|
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91 NAME="AEN5041" |
| 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_PeepEvents</B | |
| 105 ></CODE | |
| 106 >(SDL_Event *events, int numevents, SDL_eventaction action, Uint32 mask);</CODE | |
| 107 ></P | |
| 108 ><P | |
| 109 ></P | |
| 110 ></DIV | |
| 111 ></DIV | |
| 112 ><DIV | |
| 113 CLASS="REFSECT1" | |
| 114 ><A | |
|
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115 NAME="AEN5047" |
| 0 | 116 ></A |
| 117 ><H2 | |
| 118 >Description</H2 | |
| 119 ><P | |
| 120 >Checks the event queue for messages and optionally returns them.</P | |
| 121 ><P | |
| 122 >If <TT | |
| 123 CLASS="PARAMETER" | |
| 124 ><I | |
| 125 >action</I | |
| 126 ></TT | |
| 127 > is <TT | |
| 128 CLASS="LITERAL" | |
| 129 >SDL_ADDEVENT</TT | |
| 130 >, up to | |
| 131 <TT | |
| 132 CLASS="PARAMETER" | |
| 133 ><I | |
| 134 >numevents</I | |
| 135 ></TT | |
| 136 > events will be added to the back of the event | |
| 137 queue.</P | |
| 138 ><P | |
| 139 >If <TT | |
| 140 CLASS="PARAMETER" | |
| 141 ><I | |
| 142 >action</I | |
| 143 ></TT | |
| 144 > is <TT | |
| 145 CLASS="LITERAL" | |
| 146 >SDL_PEEKEVENT</TT | |
| 147 >, up to | |
| 148 <TT | |
| 149 CLASS="PARAMETER" | |
| 150 ><I | |
| 151 >numevents</I | |
| 152 ></TT | |
| 153 > events at the front of the event queue, | |
| 154 matching <A | |
| 155 HREF="sdlevent.html" | |
| 156 ><TT | |
| 157 CLASS="PARAMETER" | |
| 158 ><I | |
| 159 >mask</I | |
| 160 ></TT | |
| 161 ></A | |
| 162 >, | |
| 163 will be returned and will not be removed from the queue.</P | |
| 164 ><P | |
| 165 >If <TT | |
| 166 CLASS="PARAMETER" | |
| 167 ><I | |
| 168 >action</I | |
| 169 ></TT | |
| 170 > is <TT | |
| 171 CLASS="LITERAL" | |
| 172 >SDL_GETEVENT</TT | |
| 173 >, up to | |
| 174 <TT | |
| 175 CLASS="PARAMETER" | |
| 176 ><I | |
| 177 >numevents</I | |
| 178 ></TT | |
| 179 > events at the front of the event queue, | |
| 180 matching <A | |
| 181 HREF="sdlevent.html" | |
| 182 ><TT | |
| 183 CLASS="PARAMETER" | |
| 184 ><I | |
| 185 >mask</I | |
| 186 ></TT | |
| 187 ></A | |
| 188 >, | |
| 189 will be returned and will be removed from the queue.</P | |
| 190 ><P | |
| 191 >This function is thread-safe.</P | |
| 192 ></DIV | |
| 193 ><DIV | |
| 194 CLASS="REFSECT1" | |
| 195 ><A | |
|
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196 NAME="AEN5067" |
| 0 | 197 ></A |
| 198 ><H2 | |
| 199 >Return Value</H2 | |
| 200 ><P | |
| 201 >This function returns the number of events actually stored, or | |
| 202 <SPAN | |
| 203 CLASS="RETURNVALUE" | |
| 204 >-1</SPAN | |
| 205 > if there was an error. </P | |
| 206 ></DIV | |
| 207 ><DIV | |
| 208 CLASS="REFSECT1" | |
| 209 ><A | |
|
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210 NAME="AEN5071" |
| 0 | 211 ></A |
| 212 ><H2 | |
| 213 >See Also</H2 | |
| 214 ><P | |
| 215 ><A | |
| 216 HREF="sdlevent.html" | |
| 217 ><SPAN | |
| 218 CLASS="STRUCTNAME" | |
| 219 >SDL_Event</SPAN | |
| 220 ></A | |
| 221 >, | |
| 222 <A | |
| 223 HREF="sdlpollevent.html" | |
| 224 ><TT | |
| 225 CLASS="FUNCTION" | |
| 226 >SDL_PollEvent</TT | |
| 227 ></A | |
| 228 >, | |
| 229 <A | |
| 230 HREF="sdlpushevent.html" | |
| 231 ><TT | |
| 232 CLASS="FUNCTION" | |
| 233 >SDL_PushEvent</TT | |
| 234 ></A | |
| 235 ></P | |
| 236 ></DIV | |
| 237 ><DIV | |
| 238 CLASS="NAVFOOTER" | |
| 239 ><HR | |
| 240 ALIGN="LEFT" | |
| 241 WIDTH="100%"><TABLE | |
| 242 WIDTH="100%" | |
| 243 BORDER="0" | |
| 244 CELLPADDING="0" | |
| 245 CELLSPACING="0" | |
| 246 ><TR | |
| 247 ><TD | |
| 248 WIDTH="33%" | |
| 249 ALIGN="left" | |
| 250 VALIGN="top" | |
| 251 ><A | |
| 252 HREF="sdlpumpevents.html" | |
| 253 >Prev</A | |
| 254 ></TD | |
| 255 ><TD | |
| 256 WIDTH="34%" | |
| 257 ALIGN="center" | |
| 258 VALIGN="top" | |
| 259 ><A | |
| 260 HREF="index.html" | |
| 261 >Home</A | |
| 262 ></TD | |
| 263 ><TD | |
| 264 WIDTH="33%" | |
| 265 ALIGN="right" | |
| 266 VALIGN="top" | |
| 267 ><A | |
| 268 HREF="sdlpollevent.html" | |
| 269 >Next</A | |
| 270 ></TD | |
| 271 ></TR | |
| 272 ><TR | |
| 273 ><TD | |
| 274 WIDTH="33%" | |
| 275 ALIGN="left" | |
| 276 VALIGN="top" | |
| 277 >SDL_PumpEvents</TD | |
| 278 ><TD | |
| 279 WIDTH="34%" | |
| 280 ALIGN="center" | |
| 281 VALIGN="top" | |
| 282 ><A | |
| 283 HREF="eventfunctions.html" | |
| 284 >Up</A | |
| 285 ></TD | |
| 286 ><TD | |
| 287 WIDTH="33%" | |
| 288 ALIGN="right" | |
| 289 VALIGN="top" | |
| 290 >SDL_PollEvent</TD | |
| 291 ></TR | |
| 292 ></TABLE | |
| 293 ></DIV | |
| 294 ></BODY | |
| 295 ></HTML | |
| 296 > |