Mercurial > sdl-ios-xcode
annotate docs/html/sdlcdstatus.html @ 1207:c9ec00d3e8bc
To: sdl@libsdl.org
From: Christian Walther <cwalther@gmx.ch>
Date: Wed, 21 Dec 2005 13:39:39 +0100
Subject: [SDL] Another mouse bug patch for Mac OS X
Oh my, yet another change in the quartz mouse handling code! :)
The attached patch fixes the following bug:
Calling SDL_WarpMouse() while the cursor is invisible and grabbed should
only update SDL's internal mouse location, not try to warp the system
cursor (which is not at that location, but fixed in the middle of the
window). Otherwise, the next mouse motion event is wrong.
Please apply.
Thanks
Christian
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Wed, 21 Dec 2005 18:02:36 +0000 |
| parents | 355632dca928 |
| children |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_CDStatus</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="CD-ROM" | |
| 14 HREF="cdrom.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="SDL_CDOpen" | |
| 17 HREF="sdlcdopen.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_CDPlay" | |
| 20 HREF="sdlcdplay.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="sdlcdopen.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="sdlcdplay.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="SDLCDSTATUS" | |
|
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74 ></A |
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75 >SDL_CDStatus</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN7308" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_CDStatus -- Returns the current status of the given drive.</DIV | |
| 84 ><DIV | |
| 85 CLASS="REFSYNOPSISDIV" | |
| 86 ><A | |
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87 NAME="AEN7311" |
| 0 | 88 ></A |
| 89 ><H2 | |
| 90 >Synopsis</H2 | |
| 91 ><DIV | |
| 92 CLASS="FUNCSYNOPSIS" | |
| 93 ><A | |
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94 NAME="AEN7312" |
| 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 >CDstatus <B | |
| 106 CLASS="FSFUNC" | |
| 107 >SDL_CDStatus</B | |
| 108 ></CODE | |
| 109 >(SDL_CD *cdrom);</CODE | |
| 110 ></P | |
| 111 ><PRE | |
| 112 CLASS="FUNCSYNOPSISINFO" | |
| 113 >/* Given a status, returns true if there's a disk in the drive */ | |
| 114 #define CD_INDRIVE(status) ((int)status > 0)</PRE | |
| 115 ><P | |
| 116 ></P | |
| 117 ></DIV | |
| 118 ></DIV | |
| 119 ><DIV | |
| 120 CLASS="REFSECT1" | |
| 121 ><A | |
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122 NAME="AEN7319" |
| 0 | 123 ></A |
| 124 ><H2 | |
| 125 >Description</H2 | |
| 126 ><P | |
| 127 >This function returns the current status of the given drive. Status is described like so: | |
| 128 <PRE | |
| 129 CLASS="PROGRAMLISTING" | |
| 130 >typedef enum { | |
| 131 CD_TRAYEMPTY, | |
| 132 CD_STOPPED, | |
| 133 CD_PLAYING, | |
| 134 CD_PAUSED, | |
| 135 CD_ERROR = -1 | |
| 136 } CDstatus;</PRE | |
| 137 ></P | |
| 138 ><P | |
| 139 >If the drive has a CD in it, the table of contents of the CD and current | |
| 140 play position of the CD will be stored in the SDL_CD structure.</P | |
| 141 ><P | |
| 142 >The macro <TT | |
| 143 CLASS="LITERAL" | |
| 144 >CD_INDRIVE</TT | |
| 145 > is provided for convenience, | |
| 146 and given a status returns true if there's a disk in the drive.</P | |
| 147 ><DIV | |
| 148 CLASS="NOTE" | |
| 149 ><BLOCKQUOTE | |
| 150 CLASS="NOTE" | |
| 151 ><P | |
| 152 ><B | |
| 153 >Note: </B | |
| 154 ><TT | |
| 155 CLASS="FUNCTION" | |
| 156 >SDL_CDStatus</TT | |
| 157 > also updates the <A | |
| 158 HREF="sdlcd.html" | |
| 159 ><SPAN | |
| 160 CLASS="STRUCTNAME" | |
| 161 >SDL_CD</SPAN | |
| 162 ></A | |
| 163 > structure passed to it.</P | |
| 164 ></BLOCKQUOTE | |
| 165 ></DIV | |
| 166 ></DIV | |
| 167 ><DIV | |
| 168 CLASS="REFSECT1" | |
| 169 ><A | |
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170 NAME="AEN7331" |
| 0 | 171 ></A |
| 172 ><H2 | |
| 173 >Example</H2 | |
| 174 ><PRE | |
| 175 CLASS="PROGRAMLISTING" | |
| 176 >int playTrack(int track) | |
| 177 { | |
| 178 int playing = 0; | |
| 179 | |
| 180 if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) { | |
| 181 /* clamp to the actual number of tracks on the CD */ | |
| 182 if (track >= cdrom->numtracks) { | |
| 183 track = cdrom->numtracks-1; | |
| 184 } | |
| 185 | |
| 186 if ( SDL_CDPlayTracks(cdrom, track, 0, 1, 0) == 0 ) { | |
| 187 playing = 1; | |
| 188 } | |
| 189 } | |
| 190 return playing; | |
| 191 }</PRE | |
| 192 ></DIV | |
| 193 ><DIV | |
| 194 CLASS="REFSECT1" | |
| 195 ><A | |
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196 NAME="AEN7334" |
| 0 | 197 ></A |
| 198 ><H2 | |
| 199 >See Also</H2 | |
| 200 ><P | |
| 201 ><A | |
| 202 HREF="sdlcd.html" | |
| 203 ><TT | |
| 204 CLASS="FUNCTION" | |
| 205 >SDL_CD</TT | |
| 206 ></A | |
| 207 ></P | |
| 208 ></DIV | |
| 209 ><DIV | |
| 210 CLASS="NAVFOOTER" | |
| 211 ><HR | |
| 212 ALIGN="LEFT" | |
| 213 WIDTH="100%"><TABLE | |
|
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214 SUMMARY="Footer navigation table" |
| 0 | 215 WIDTH="100%" |
| 216 BORDER="0" | |
| 217 CELLPADDING="0" | |
| 218 CELLSPACING="0" | |
| 219 ><TR | |
| 220 ><TD | |
| 221 WIDTH="33%" | |
| 222 ALIGN="left" | |
| 223 VALIGN="top" | |
| 224 ><A | |
| 225 HREF="sdlcdopen.html" | |
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226 ACCESSKEY="P" |
| 0 | 227 >Prev</A |
| 228 ></TD | |
| 229 ><TD | |
| 230 WIDTH="34%" | |
| 231 ALIGN="center" | |
| 232 VALIGN="top" | |
| 233 ><A | |
| 234 HREF="index.html" | |
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235 ACCESSKEY="H" |
| 0 | 236 >Home</A |
| 237 ></TD | |
| 238 ><TD | |
| 239 WIDTH="33%" | |
| 240 ALIGN="right" | |
| 241 VALIGN="top" | |
| 242 ><A | |
| 243 HREF="sdlcdplay.html" | |
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244 ACCESSKEY="N" |
| 0 | 245 >Next</A |
| 246 ></TD | |
| 247 ></TR | |
| 248 ><TR | |
| 249 ><TD | |
| 250 WIDTH="33%" | |
| 251 ALIGN="left" | |
| 252 VALIGN="top" | |
| 253 >SDL_CDOpen</TD | |
| 254 ><TD | |
| 255 WIDTH="34%" | |
| 256 ALIGN="center" | |
| 257 VALIGN="top" | |
| 258 ><A | |
| 259 HREF="cdrom.html" | |
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260 ACCESSKEY="U" |
| 0 | 261 >Up</A |
| 262 ></TD | |
| 263 ><TD | |
| 264 WIDTH="33%" | |
| 265 ALIGN="right" | |
| 266 VALIGN="top" | |
| 267 >SDL_CDPlay</TD | |
| 268 ></TR | |
| 269 ></TABLE | |
| 270 ></DIV | |
| 271 ></BODY | |
| 272 ></HTML | |
| 273 > |