glutSpecialUpFunc man page on MacOSX

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glutSpecialUpFunc(3GLUT)	     GLUT	      glutSpecialUpFunc(3GLUT)

NAME
       glutSpecialUpFunc - sets the special keyboard up (key release) callback
       for the current window.

SYNTAX
       #include <GLUT/glut.h>

       void glutSpecialUpFunc(void (*func)(int key, int x, int y));

ARGUMENTS
       func	 The new special callback function.

DESCRIPTION
       glutSpecialUpFunc sets the special keyboard up (key  release)  callback
       for  the	 current window. The special keyboard up callback is triggered
       when keyboard function or directional keys are released. The key	 call‐
       back  parameter	is  a GLUT_KEY_* constant for the special key pressed.
       The x and y callback parameters indicate the mouse in  window  relative
       coordinates  when the key was pressed. When a new window is created, no
       special up callback is initially registered and special key releases in
       the window are ignored.	Passing NULL to glutSpecialUpFunc disables the
       generation of special up callbacks.

       During a special up callback, glutGetModifiers may be called to	deter‐
       mine  the  state	 of  modifier keys when the key release generating the
       callback occurred.

       To avoid the reporting of key release/press pairs due to	 auto  repeat,
       use glutIgnoreKeyRepeat to ignore auto repeated keystrokes.

       An  implementation  should  do its best to provide ways to generate all
       the GLUT_KEY_* special keys. The available GLUT_KEY_* values are:

       GLUT_KEY_F1
	       F1 function key.

       GLUT_KEY_F2
	       F2 function key.

       GLUT_KEY_F3
	       F3 function key.

       GLUT_KEY_F4
	       F4 function key.

       GLUT_KEY_F5
	       F5 function key.

       GLUT_KEY_F6
	       F6 function key.

       GLUT_KEY_F7
	       F7 function key.

       GLUT_KEY_F8
	       F8 function key.

       GLUT_KEY_F9
	       F9 function key.

       GLUT_KEY_F10
	       F10 function key.

       GLUT_KEY_F11
	       F11 function key.

       GLUT_KEY_F12
	       F12 function key.

       GLUT_KEY_LEFT
	       Left directional key.

       GLUT_KEY_UP
	       Up directional key.

       GLUT_KEY_RIGHT
	       Right directional key.

       GLUT_KEY_DOWN
	       Down directional key.

       GLUT_KEY_PAGE_UP
	       Page up directional key.

       GLUT_KEY_PAGE_DOWN
	       Page down directional key.

       GLUT_KEY_HOME
	       Home directional key.

       GLUT_KEY_END
	       End directional key.

       GLUT_KEY_INSERT
	       Inset directional key.

       Note that the escape, backspace, and delete keys are  generated	as  an
       ASCII character.

SEE ALSO
       glutSpecialFunc,	 glutKeyboardFunc,  glutKeyboardUpFunc, glutMouseFunc,
       glutSpaceballButtonFunc, glutButtonBoxFunc, glutTabletButtonFunc, glut‐
       GetModifiers, glutIgnoreKeyRepeat

AUTHOR
       Mark J. Kilgard (mjk@nvidia.com)

GLUT				      3.7	      glutSpecialUpFunc(3GLUT)
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