Mercurial > sdl-ios-xcode
annotate docs/html/sdlpushevent.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_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="AEN5148" |
| 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="AEN5151" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Synopsis</H2 | |
| 88 ><DIV | |
| 89 CLASS="FUNCSYNOPSIS" | |
| 90 ><A | |
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91 NAME="AEN5152" |
| 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="AEN5158" |
| 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="AEN5164" |
| 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="AEN5169" |
| 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="AEN5174" |
| 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 > |