glutSpecialFunc.man
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- ."
- ." Copyright (c) Mark J. Kilgard, 1996.
- ."
- .TH glutSpecialFunc 3GLUT "3.7" "GLUT" "GLUT"
- .SH NAME
- glutSpecialFunc - sets the special keyboard callback for the current window.
- .SH SYNTAX
- .nf
- .LP
- void glutSpecialFunc(void (*func)(int key, int x, int y));
- .fi
- .SH ARGUMENTS
- .IP fIfuncfP 1i
- The new special callback function.
- .SH DESCRIPTION
- glutSpecialFunc sets the special keyboard callback for the current
- window. The special keyboard callback is triggered when keyboard
- function or directional keys are pressed. The key callback 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 callback is
- initially registered and special key strokes in the window are ignored.
- Passing NULL to glutSpecialFunc disables the generation of special
- callbacks.
-
- During a special callback, glutGetModifiers may be called to
- determine the state of modifier keys when the keystroke generating the
- callback occurred.
-
- An implementation should do its best to provide ways to generate all the
- GLUT_KEY_* special keys. The available GLUT_KEY_* values are:
- .TP 8
- .B GLUT_KEY_F1
- F1 function key.
- .TP 8
- .B GLUT_KEY_F2
- F2 function key.
- .TP 8
- .B GLUT_KEY_F3
- F3 function key.
- .TP 8
- .B GLUT_KEY_F4
- F4 function key.
- .TP 8
- .B GLUT_KEY_F5
- F5 function key.
- .TP 8
- .B GLUT_KEY_F6
- F6 function key.
- .TP 8
- .B GLUT_KEY_F7
- F7 function key.
- .TP 8
- .B GLUT_KEY_F8
- F8 function key.
- .TP 8
- .B GLUT_KEY_F9
- F9 function key.
- .TP 8
- .B GLUT_KEY_F10
- F10 function key.
- .TP 8
- .B GLUT_KEY_F11
- F11 function key.
- .TP 8
- .B GLUT_KEY_F12
- F12 function key.
- .TP 8
- .B GLUT_KEY_LEFT
- Left directional key.
- .TP 8
- .B GLUT_KEY_UP
- Up directional key.
- .TP 8
- .B GLUT_KEY_RIGHT
- Right directional key.
- .TP 8
- .B GLUT_KEY_DOWN
- Down directional key.
- .TP 8
- .B GLUT_KEY_PAGE_UP
- Page up directional key.
- .TP 8
- .B GLUT_KEY_PAGE_DOWN
- Page down directional key.
- .TP 8
- .B GLUT_KEY_HOME
- Home directional key.
- .TP 8
- .B GLUT_KEY_END
- End directional key.
- .TP 8
- .B GLUT_KEY_INSERT
- Inset directional key.
- .LP
- Note that the escape, backspace, and delete keys are generated as an ASCII
- character.
- .SH SEE ALSO
- glutSpecialUpFunc,
- glutKeyboardFunc, glutMouseFunc, glutSpaceballButtonFunc, glutButtonBoxFunc, glutTabletButtonFunc, glutGetModifiers
- .SH AUTHOR
- Mark J. Kilgard (mjk@nvidia.com)