Mercurial > sdl-ios-xcode
annotate docs/html/sdlcdstatus.html @ 4085:51486c979189 SDL-1.2
> Hi Ryan,
> I checked the list you linked to, but did not see any reference to whether
> the Win32 window centering bug was fixed... Has that been addressed at all?
> I refer to the bug where, unless one has globally set the
> SDL_WINDOW_CENTERED variable in the OS, only the 1st window that is created
> will be centered. Subsequent calls to SetVideoMode will create a window tha
t
> shares the same upper-left corner location.
I'm working on that now, thanks for reporting it. What I'm doing is if the
width and height are the same, I'm leaving the window position alone, but if
they're different they will respect the positioning environment variables.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Fri, 20 Jul 2007 03:25:40 +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 > |