glutentryfunc(3) centos man page | unix.com

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NAME
     glutEntryFunc -- Window mouse entry/leave callback.

LIBRARY
     OpenGLUT - input

SYNOPSIS
     #include <openglut.h>

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

PARAMETERS
      callback	   Client window-entry hook.

DESCRIPTION
     When the mouse enters or exits a window (or sub-window), OpenGLUT can report this transition via the Entry callback.   state  is one of
     GLUT_LEFT	or  GLUT_ENTERED  respective of whether the mouse left or entered the window.

     This callback is bound to the  current window  .

SEE ALSO
     glutPassiveMotionFunc(3)

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