Re: About removing cusor

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Steve Baker (sbaker++at++link.com)
Fri, 7 Aug 1998 08:21:14 -0500 (CDT)

On Fri, 7 Aug 1998, Tatsuya Asano wrote:

> Does anyone know how to remove the Cursor in Performer
> application? Now I'm trying to do on
> /usr/share/Performer/src/pguide/libpf/C/simple.c, but I can't.
  
In X windows, it's easiest to define a completely transparent cursor
rather than actually get rid of it. The effect is the same in the end.

I use this:

  void no_cursor ( pfPipeWindow *pw )
  {
    if ( pfGetPWinType(pw) & PFPWIN_TYPE_X )
    {
      char cursoffdata [ 16*16 ] ;
      XColor xclr = { 0,0,0,0,0,0 } ;
      Display *dsp = pfGetCurWSConnection () ;

      memset ( cursoffdata, 0, 16*16 ) ;
      Pixmap pix = XCreateBitmapFromData ( dsp,
                      RootWindow ( dsp, DefaultScreen ( dsp ) ), cursoffdata, 16, 16 ) ;
      XDefineCursor ( dsp, pfGetPWinWSWindow ( pw ),
                             XCreatePixmapCursor ( dsp, pix, pix, &xclr, &xclr, 0, 0 ) ) ;
      XFreePixmap ( dsp, pix ) ;
    }
    else
  #ifdef IRISGL
      cursoff () ;
  #else
      fprintf ( stderr,
                "Sorry - can't disable cursor on non-X-Window pipes using OpenGL.\n" ) ;
  #endif
  }

Enjoy...

Steve Baker (817)619-2657 (Vox/Vox-Mail)
Raytheon Systems Inc. (817)619-4028 (Fax)
Work: SBaker++at++link.com http://www.hti.com
Home: SJBaker1++at++airmail.net http://web2.airmail.net/sjbaker1

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