view docs/man3/SDL_CDStatus.3 @ 19:8cc4dbfab9ab

Date: Thu, 19 Apr 2001 08:36:54 +0300 From: "Mike Gorchak" <mike@malva.com.ua> Subject: Patches for QNX RtP Here my patch for QNX RtP/Photon for SDL-1.2. Detailed description of my changes: SDL/configure.in: If Photon detected declare define ENABLE_PHOTON. SDL/src/video/SDL_sysvideo.h: Added extern to ph_bootstrap. SDL/src/video/SDL_video.c: Added ph_bootstrap to bootstrap array. SDL/src/video/photon/SDL_ph_events.c: Declare DISABLE_X11 if compiled for Photon. SDL/src/video/photon/SDL_ph_image.c: Fixed segment violation on exit. Please update BUGS file. SDL/src/video/photon/SDL_ph_video.c: 1. Enabling window manager. 2. Added to device capabilities Photon Window Manager functions: SetCaption and IconifyWindow. 3. Renamed X11_bootstrap to ph_bootstrap. 4. Removed SEGFAULT termination of programs if Photon not available. SDL/src/video/photon/SDL_ph_wm.c: 1. Declare DISABLE_X11 if compiled for Photon. 2. Added ph_SetCaption and ph_IconifyWindow code. (Thanks to 'phearbear' for iconify window source). 3. Some stubers for other wm functions. Thanks ! ---------------------------- Mike Gorchak CJSC Malva System Programmer
author Sam Lantinga <slouken@lokigames.com>
date Thu, 10 May 2001 18:42:17 +0000
parents 74212992fb08
children 55f1f1b3e27d
line wrap: on
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.TH "SDL_CDStatus" "3" "Mon 12 Mar 2001, 01:03" "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, Mon 12 Mar 2001, 01:03