view docs/man3/SDL_CDStatus.3 @ 3083:0bc41e0361d3

Date: Mon, 2 Mar 2009 16:27:42 +0200 From: "Mike Gorchak" Subject: About QNX support in SDL 1.3 Right now I'm working on QNX SDL 1.3 drivers implementation and looks like a lot of code must be completely reworked. But I'm ready for it :) Also I want to add QNX Graphics Framework SDL driver, which is fullscreen graphics framework, with support of hardware accelerated OpenGL ES implementations. This Graphics Framework (called GF in QNX) could also use QNX Photon (window manager GUI) as window manager. In the attachment initial patch for QNX support in SDL 1.3
author Sam Lantinga <slouken@libsdl.org>
date Tue, 03 Mar 2009 04:21:51 +0000
parents 546f7c1eb755
children 1238da4a7112
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.TH "SDL_CDStatus" "3" "Tue 11 Sep 2001, 22:58" "SDL" "SDL API Reference" 
.SH "NAME"
SDL_CDStatus \- Returns the current status of the given drive\&.
.SH "SYNOPSIS"
.PP
\fB#include "SDL\&.h"
.sp
\fBCDstatus \fBSDL_CDStatus\fP\fR(\fBSDL_CD *cdrom\fR);
\fB/* Given a status, returns true if there\&'s a disk in the drive */
#define CD_INDRIVE(status)      ((int)status > 0)
.SH "DESCRIPTION"
.PP
This function returns the current status of the given drive\&. Status is described like so: 
.PP
.nf
\f(CWtypedef enum {
  CD_TRAYEMPTY,
  CD_STOPPED,
  CD_PLAYING,
  CD_PAUSED,
  CD_ERROR = -1
} CDstatus;\fR
.fi
.PP
.PP
If the drive has a CD in it, the table of contents of the CD and current play position of the CD will be stored in the SDL_CD structure\&.
.PP
The macro \fBCD_INDRIVE\fP is provided for convenience, and given a status returns true if there\&'s a disk in the drive\&.
.PP
.RS
\fBNote:  
.PP
\fBSDL_CDStatus\fP also updates the \fI\fBSDL_CD\fR\fR structure passed to it\&.
.RE
.SH "EXAMPLE"
.PP
.nf
\f(CWint playTrack(int track)
{
  int playing = 0;

  if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) {
  /* clamp to the actual number of tracks on the CD */
    if (track >= cdrom->numtracks) {
      track = cdrom->numtracks-1;
    }

    if ( SDL_CDPlayTracks(cdrom, track, 0, 1, 0) == 0 ) {
      playing = 1;
    }
  }
  return playing;
}\fR
.fi
.PP
.SH "SEE ALSO"
.PP
\fI\fBSDL_CD\fP\fR
...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 22:58