glutwindowstatusfunc(3) centos man page | unix.com

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NAME
     glutWindowStatusFunc -- Sets the window status callback.

LIBRARY
     OpenGLUT - windowcallback

SYNOPSIS
     #include <openglut.h>

     void
     glutWindowStatusFunc(void( *callback )( int state ));

PARAMETERS
      callback	   Client window status hook.

DESCRIPTION
     When the visibility status of your window changes, OpenGLUT either invokes the  callback  registered by this function or the Visibility
     callback---or  neither, if you have not registered either callback.

     This differs from glutVisbilityFunc() in that the callback has three states, rather than two, that it may receive.  These states are:

      -  GLUT_VISIBLE	     (every pixel visible)
      -  GLUT_FULLY_COVERED  (every pixel obscured)
      -  GLUT_HIDDEN	     (intermediate)

     The callback is bound to the  current window  .

CAVEATS
     Makes glutVisibilityFunc() obsolete.

SEE ALSO
     glutVisibilityFunc(3)

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