Mercurial > sdl-ios-xcode
annotate docs/html/sdlcdstatus.html @ 160:2a8d929f50e0
Fix title bar setting bug
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Fri, 31 Aug 2001 20:53:05 +0000 |
| parents | 55f1f1b3e27d |
| children | e5bc29de3f0a |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_CDStatus</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
|
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55f1f1b3e27d
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changeset
|
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="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 | |
| 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="sdlcdopen.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="sdlcdplay.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="SDLCDSTATUS" | |
| 71 >SDL_CDStatus</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
|
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55f1f1b3e27d
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Sam Lantinga <slouken@lokigames.com>
parents:
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diff
changeset
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76 NAME="AEN6759" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_CDStatus -- Returns the current status of the given drive.</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSYNOPSISDIV" | |
| 83 ><A | |
|
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55f1f1b3e27d
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Sam Lantinga <slouken@lokigames.com>
parents:
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diff
changeset
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84 NAME="AEN6762" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Synopsis</H2 | |
| 88 ><DIV | |
| 89 CLASS="FUNCSYNOPSIS" | |
| 90 ><A | |
|
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55f1f1b3e27d
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parents:
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diff
changeset
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91 NAME="AEN6763" |
| 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 >CDstatus <B | |
| 103 CLASS="FSFUNC" | |
| 104 >SDL_CDStatus</B | |
| 105 ></CODE | |
| 106 >(SDL_CD *cdrom);</CODE | |
| 107 ></P | |
| 108 ><PRE | |
| 109 CLASS="FUNCSYNOPSISINFO" | |
| 110 >/* Given a status, returns true if there's a disk in the drive */ | |
| 111 #define CD_INDRIVE(status) ((int)status > 0)</PRE | |
| 112 ><P | |
| 113 ></P | |
| 114 ></DIV | |
| 115 ></DIV | |
| 116 ><DIV | |
| 117 CLASS="REFSECT1" | |
| 118 ><A | |
|
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55f1f1b3e27d
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parents:
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diff
changeset
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119 NAME="AEN6770" |
| 0 | 120 ></A |
| 121 ><H2 | |
| 122 >Description</H2 | |
| 123 ><P | |
| 124 >This function returns the current status of the given drive. Status is described like so: | |
| 125 <PRE | |
| 126 CLASS="PROGRAMLISTING" | |
| 127 >typedef enum { | |
| 128 CD_TRAYEMPTY, | |
| 129 CD_STOPPED, | |
| 130 CD_PLAYING, | |
| 131 CD_PAUSED, | |
| 132 CD_ERROR = -1 | |
| 133 } CDstatus;</PRE | |
| 134 ></P | |
| 135 ><P | |
| 136 >If the drive has a CD in it, the table of contents of the CD and current | |
| 137 play position of the CD will be stored in the SDL_CD structure.</P | |
| 138 ><P | |
| 139 >The macro <TT | |
| 140 CLASS="LITERAL" | |
| 141 >CD_INDRIVE</TT | |
| 142 > is provided for convenience, | |
| 143 and given a status returns true if there's a disk in the drive.</P | |
| 144 ><DIV | |
| 145 CLASS="NOTE" | |
| 146 ><BLOCKQUOTE | |
| 147 CLASS="NOTE" | |
| 148 ><P | |
| 149 ><B | |
| 150 >Note: </B | |
| 151 ><TT | |
| 152 CLASS="FUNCTION" | |
| 153 >SDL_CDStatus</TT | |
| 154 > also updates the <A | |
| 155 HREF="sdlcd.html" | |
| 156 ><SPAN | |
| 157 CLASS="STRUCTNAME" | |
| 158 >SDL_CD</SPAN | |
| 159 ></A | |
| 160 > structure passed to it.</P | |
| 161 ></BLOCKQUOTE | |
| 162 ></DIV | |
| 163 ></DIV | |
| 164 ><DIV | |
| 165 CLASS="REFSECT1" | |
| 166 ><A | |
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55f1f1b3e27d
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Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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167 NAME="AEN6782" |
| 0 | 168 ></A |
| 169 ><H2 | |
| 170 >Example</H2 | |
| 171 ><PRE | |
| 172 CLASS="PROGRAMLISTING" | |
| 173 >int playTrack(int track) | |
| 174 { | |
| 175 int playing = 0; | |
| 176 | |
| 177 if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) { | |
| 178 /* clamp to the actual number of tracks on the CD */ | |
| 179 if (track >= cdrom->numtracks) { | |
| 180 track = cdrom->numtracks-1; | |
| 181 } | |
| 182 | |
| 183 if ( SDL_CDPlayTracks(cdrom, track, 0, 1, 0) == 0 ) { | |
| 184 playing = 1; | |
| 185 } | |
| 186 } | |
| 187 return playing; | |
| 188 }</PRE | |
| 189 ></DIV | |
| 190 ><DIV | |
| 191 CLASS="REFSECT1" | |
| 192 ><A | |
|
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55f1f1b3e27d
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Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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193 NAME="AEN6785" |
| 0 | 194 ></A |
| 195 ><H2 | |
| 196 >See Also</H2 | |
| 197 ><P | |
| 198 ><A | |
| 199 HREF="sdlcd.html" | |
| 200 ><TT | |
| 201 CLASS="FUNCTION" | |
| 202 >SDL_CD</TT | |
| 203 ></A | |
| 204 ></P | |
| 205 ></DIV | |
| 206 ><DIV | |
| 207 CLASS="NAVFOOTER" | |
| 208 ><HR | |
| 209 ALIGN="LEFT" | |
| 210 WIDTH="100%"><TABLE | |
| 211 WIDTH="100%" | |
| 212 BORDER="0" | |
| 213 CELLPADDING="0" | |
| 214 CELLSPACING="0" | |
| 215 ><TR | |
| 216 ><TD | |
| 217 WIDTH="33%" | |
| 218 ALIGN="left" | |
| 219 VALIGN="top" | |
| 220 ><A | |
| 221 HREF="sdlcdopen.html" | |
| 222 >Prev</A | |
| 223 ></TD | |
| 224 ><TD | |
| 225 WIDTH="34%" | |
| 226 ALIGN="center" | |
| 227 VALIGN="top" | |
| 228 ><A | |
| 229 HREF="index.html" | |
| 230 >Home</A | |
| 231 ></TD | |
| 232 ><TD | |
| 233 WIDTH="33%" | |
| 234 ALIGN="right" | |
| 235 VALIGN="top" | |
| 236 ><A | |
| 237 HREF="sdlcdplay.html" | |
| 238 >Next</A | |
| 239 ></TD | |
| 240 ></TR | |
| 241 ><TR | |
| 242 ><TD | |
| 243 WIDTH="33%" | |
| 244 ALIGN="left" | |
| 245 VALIGN="top" | |
| 246 >SDL_CDOpen</TD | |
| 247 ><TD | |
| 248 WIDTH="34%" | |
| 249 ALIGN="center" | |
| 250 VALIGN="top" | |
| 251 ><A | |
| 252 HREF="cdrom.html" | |
| 253 >Up</A | |
| 254 ></TD | |
| 255 ><TD | |
| 256 WIDTH="33%" | |
| 257 ALIGN="right" | |
| 258 VALIGN="top" | |
| 259 >SDL_CDPlay</TD | |
| 260 ></TR | |
| 261 ></TABLE | |
| 262 ></DIV | |
| 263 ></BODY | |
| 264 ></HTML | |
| 265 > |