gluttimerfunc(3) [centos man page]

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NAME

     glutTimerFunc -- Sets the Timer callback for the current window.

LIBRARY

     OpenGLUT - idletimer

SYNOPSIS

     #include <openglut.h>

     void
     glutTimerFunc(unsigned int msec, void( *callback )( int data ), int data);

PARAMETERS

      msec	   Milliseconds till invocation.

      callback	   Client function for timer event.

      data	   Arbitrary data; passed to  callback	.

DESCRIPTION

     After  at least   msec  milliseconds, OpenGLUT will call  callback  , passing in your user-supplied  data	parameter.  OpenGLUT will call
     your function only once.

     This callback is  not   bound to any window.

CAVEATS

     Unlike most other callbacks, timers only occur once.

     Unlike most other callbacks, you cannot deregister a timer callback.

     Unlike most other callbacks, you can register an arbitrary number of timers.

SEE ALSO

     glutIdleFunc(3) glutMainLoop(3) glutMainLoopEvent(3)

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NAME

     glutCreateWindow -- Create a new top-level window

LIBRARY

     OpenGLUT - window

SYNOPSIS

     #include <openglut.h>

     int
     glutCreateWindow(const char* title);

PARAMETERS

      title	  Title for created window

DESCRIPTION

     This function sends a request for a window to be constructed.  OpenGLUT immediately constructs a data structure to track further events with
     the window, on the theory that eventually the window manager will get back to us with a real window.  This allows us to begin registering
     callbacks immediately.

     In fact, you  must   register a display callback via glutDisplayFunc() before you enter glutMainLoop().

     For onscreen windows, you should not depend upon the window concretely existing or being visibile until you are told that it exists and is
     visible via a registered callback.

     The return value is an  int.    It should be positive for valid windows or 0 if failure occurred for some reason (Though traditional GLUT
     tends to bail out and abort rather than returning errors.)  The integer is your  window id  .  Old GLUT promises that these integers are
     ``small''; we do not reuse old  id  s, but do produce them sequentially.

     You can change the title later via glutSetWindowTitle().

SEE ALSO

     glutDestroyWindow(3) glutCreateSubWindow(3) glutSetWindowTitle(3) glutCreateMenuWindow(3)

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